Publications by authors named "Khadijeh Mirzaei"

83 Publications

Caveolin-1 Genetic Polymorphism Interact with Polyunsaturated Fatty Acids to Modulate Metabolic Syndrome Risk.

Br J Nutr 2021 Jun 21:1-23. Epub 2021 Jun 21.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran

Several studies have reported a significant association between metabolic syndrome (MetS) and mortality around the world. Caveolin-1 (CAV-1) has been widely studied in dyslipidemia, and several studies have indicated that CAV-1 genetic variations may correlate with dietary intake of fatty acids. This study aimed to investigate the interaction of CAV-1 rs3807992 with types of dietary fatty acid in MetS risk. This cross-sectional study was carried out on 404 overweight and obese females. Dietary intake was obtained from a 147-item FFQ. The CAV-1 genotype was measured using the PCR-RFLP method. Anthropometric values and serum levels (TC, LDL, HDL, TG, FBS) were measured by standard methods. It was observed that the (AA+AG) group had significantly higher BMI, WC, and DBP (P=0.02, P=0.02, and P=0.01, respectively) and lower serum LDL, HDL, and TC (P < 0.05) than the GG group. It was found that A allele carriers were at higher odds of MetS (P= 0.01), abdominal obesity (P=0.06), increased TG concentration (P=0.01), elevated blood pressure (BP) (P=0.01), increased glucose concentration (P=0.45), and decreased HDL-cholesterol concentration (P=0.03). Moreover, the interaction of CAV-1 and SFA intake was significant in terms of MetS (P=0.03), LDL (P=0.03), and BP (P=0.01). Additionally, the (AA+AG) group was significantly related to PUFA intake in terms of MetS (P=0.04), TG (P=0.02), glucose (P=0.02), and HOMA-IR (P= 0.01). Higher PUFA consumption might attenuate the CAV-1 rs3807992 associations with MetS, and individuals with greater genetic predisposition appeared to have a higher risk of MetS, associated with higher SFA consumption.
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http://dx.doi.org/10.1017/S0007114521002221DOI Listing
June 2021

Association of Plant-Based Diet Index with Inflammatory Markers and Sleep Quality in Overweight and Obese Female Adults: A Cross-Sectional Study.

Int J Clin Pract 2021 Jun 3:e14429. Epub 2021 Jun 3.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.

Background: Inflammation and sleep disturbances increase the risk of multiple diseases, including cardiovascular disease, type 2 diabetes, and dementia. Since diet plays a significant role in inflammatory responses and sleep quality, this study aimed to investigate the association of a plant-based diet index (PDI) with sleep quality and inflammatory markers in overweight and obese women.

Methods: 390 overweight and obese women aged 18-48 years participated in this cross-sectional study. A validated food frequency questionnaire (FFQ) was used to create an overall PDI, healthful plant-based diet index (hPDI), and unhealthful plant-based diet index (uPDI). Sleep quality was assessed by Pittsburgh Sleep Quality Index (PSQI). Higher scores on the PSQI were indicative of poor sleep. Anthropometric measurements and serum concentrations of high-sensitivity C-reactive protein (hs-CRP), interleukin 1 beta (IL-1β), and transforming growth factor-beta (TGF-β) were evaluated. Linear regression models were used to determine the association between exposure and outcomes.

Results: After taking potential confounders into account, we found a significant inverse association between adherence to hPDI and hs-CRP (β= -0.14, 95% confidence interval [CI]: -0.22,0.06, P=0.001), and a significant positive association between uPDI and hs-CRP (β= 0.13, 95% CI: 0.05,0.21, P=0.001). Overall PDI was significantly associated with TGF-β (β= 2.04, 95% CI: 0.54,3.55, P= 0.008). No association was detected between PDI indices and IL-1β. Higher adherence to uPDI was significantly associated with higher PSQI score (lower sleep quality) (β= 0.20, 95% CI:0.007,0.40, P= 0.04). A significant positive association was found between TGF-β (β=0.05, 95% CI:0.005,0.10, P=0.03) and hs-CRP (β=0.32, 95% CI:0.02,0.62, P=0.03) with PSQI.

Conclusion: Our findings indicated a significant association between adherence to a plant-based diet with inflammation and sleep quality in obese and overweight females.
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http://dx.doi.org/10.1111/ijcp.14429DOI Listing
June 2021

Associations of dietary fats intake and adipokines levels in obese women.

Clin Nutr ESPEN 2021 Jun 2;43:390-396. Epub 2021 Apr 2.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran. Electronic address:

Aim: RBP4, Vaspin and omentin-1 are adipokines, which play an important role in the development of obesity-related complications. The main aim of this study was to investigate the effects of different kinds of fat intake on adipokine levels in obese women.

Methods: A total of 272 obese women (BMI ≥ 30) were included in the current cross-sectional study, according to the inclusion and exclusion criteria. Body composition was measured using a body composition analyzer. For the measurement of retinol binding protein 4 (RBP4), vaspin and omentin-1 serum concentrations, an enzyme-linked immunosorbent assay (ELISA) method was used. Dietary intake was assessed using a 3-day 24-h dietary recall.

Results: Statistically significant differences were found between polyunsaturated fatty acid (PUFAs) and linoleic acid intake and vaspin and omentin-1 levels. In addition, there were found statistically significant relationships between cholesterol, monounsaturated fatty acid (MUFAs) and total fat intakes with omentin-1 levels. Also, RBP4 and vaspin levels were different significant with eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) intake. Moreover, the results revealed that there were statistically significant differences between RBP4 levels and α-linolenic acid and oleic acid intake.

Conclusion: This study revealed that by examining RBP4, vaspin and omentin-1 as adipokines, a novel link between fat intakes and adipokine levels was found.
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http://dx.doi.org/10.1016/j.clnesp.2021.03.018DOI Listing
June 2021

Association of vitamin D-binding protein and vitamin D with insulin and homeostatic model assessment (HOMA-IR) in overweight and obese females.

BMC Res Notes 2021 May 19;14(1):193. Epub 2021 May 19.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, P.O. Box: 14155-6117, Tehran, Iran.

Objective: Equivocal association the contribution of 25-hydroxyvitamin D (25(OH)D) and the well-accepted role of vitamin D-binding protein (VDBP) on bioavailability of 25(OH)D or its independent roles, has led to possible association of the VDBP in glucose metabolism. This study was conducted to evaluate the relationships among 25(OH)D, VDBP, glucose/insulin metabolism and homeostatic model assessment (HOMA-IR). Blood samples were collected from 236 obese and overweight women. VDBP and 25(OH)D levels, and biochemical parameters were measured using an enzyme-linked immunosorbent assay (ELISA). An impedance fat analyzer was utilized to acquire the body composition.

Results: Using the multivariate linear regression, a reverse relationship was observed between VDBP and (HOMA-IR), such that women with higher VDBP displayed lower insulin resistance. The relationship was independent of age, body mass index, standardized energy intake and physical activity (p = 0.00). No significant relationship between 25(OH)D levels, FBS, body composition or insulin resistance were observed (p > 0.2). Current study observed that higher level of VDBP may be associated with lower levels of insulin and HOMA-IR, thus the evaluation of VDBP in diverse population groups seems to have significant clinical value in evaluating the prevalence of DM or early stage of glucose intolerance.
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http://dx.doi.org/10.1186/s13104-021-05608-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8136187PMC
May 2021

Are caveolin-1 minor alleles more likely to be risk alleles in insulin resistance mechanisms in metabolic diseases?

BMC Res Notes 2021 May 17;14(1):185. Epub 2021 May 17.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), No. 44, Hojjat-dost Alley, Naderi St., Keshavarz Blvd, P.O. Box, 14155-6117, Tehran, Iran.

Objectives: Obesity and insulin resistance (IR) are interrelated in a range of ways. The IR-obesity relationship is not a cause-and-effect association. Molecular biology research has made tremendous strides in discovering contributors to find this association. Genes that control adipocyte function such as caveolin-1 (CAV1); probably interact in the pathogenesis of human IR in this context. The involvement of CAV1 in glucose/lipid homeostasis is revealed and could modify the signaling of the insulin receptor. We examined the association between CAV1 and insulin signaling in modifying dyslipidemia and fat composition in overweight and obese women with a prevalent variant in the CAV1 gene.

Results: Minor allele carriers were slightly older and had higher BMI (p = 0.02), FMI (p = 0.006), and VLF (p = 0.01) values; and tended to have lower total cholesterol TC (p = 0.04), low-density lipoprotein cholesterol (LDL-C) (p = 0.001) and high-density lipoprotein cholesterol (HDL-C) (p = 0.003). HOMA-IR levels predicted fat mass index (FMI) 0.47 (0.08, 0.87), visceral fat level (VFL) 0.65 (0.23, 1.07), TC 6.82 (1.76, 11.88) and HDL-C - 1.663 (- 3.11, - 0.214) only between minor allele carriers in adjusted models. (β, CI). Our results cast a new light on the IR mechanism and future studies will elucidate the clinical relevance of CAV1-IR in patients with dyslipidemia and high fat composition.
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http://dx.doi.org/10.1186/s13104-021-05597-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8130340PMC
May 2021

Association of household socioeconomic status, neighborhood support system and adherence to dietary recommendation among persons with T2DM, a facility-based cross-sectional study in Ghana.

BMC Public Health 2021 05 13;21(1):911. Epub 2021 May 13.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.

Background: Dietary recommendation help persons with diabetes adopt to healthy eating habits to achieve optimal glycemic control. Socioeconomic-status and neighborhood support system can influence adherence to dietary recommendation. The purpose of our study is to assess the association of household-socioeconomic status and neighborhood-support system with adherence to dietary recommendation among persons with type 2 diabetes mellitus (T2DM).

Methods: Facility-based cross-sectional-survey was conducted in Brong Ahafo region, Ghana. Six hospitals were randomly selected and 530 individuals with T2DM consecutively recruited from the selected hospitals for the study. Structured-questionnaires were used to collect socio-demographic variables. Adherence to dietary-recommendation was the outcome-variable, and was assessed using perceived dietary-adherence questionnaire.

Results: Age (years) (P-value = 0.005), Physical-Activity level (P-value = 0.024) Receive-moderate Social-Support (P-value = 0.004) and High-Socioeconomic status (P-value = 0.046) were significantly correlated with adherence to dietary-recommendation. Age (years) regression coefficient (β) -0.089, 95%CI (- 0.12, - 0.001), Being married β0.103, 95%CI (0.002, 0.02), moderate and low-social support system β 0.309, 95%CI (0.17, 0.38) and β-0.192, 95%CI (- 0.26, - 0.06) respectively, and high-socioeconomic status β 0.197, 95%CI (0.06, 0.25) were significantly associated with adherence to dietary-recommendation.

Conclusion: Social-support system and socioeconomic-status could be associated with adherence to dietary-recommendation. Therefore, health workers should consider patients' social support system and socioeconomic status as modifiable factors for optimum adherence.
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http://dx.doi.org/10.1186/s12889-021-10963-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8117492PMC
May 2021

The association between deficiency of nutrient intake and resting metabolic rate in overweight and obese women: a cross-sectional study.

BMC Res Notes 2021 May 12;14(1):179. Epub 2021 May 12.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran.

Objective: The double burden of malnutrition is an emerging public health concern nowadays which a correlation with obesity. This study aimed to examine the relationship between resting metabolic rate (RMR) and dietary intake of zinc, vitamin C, and riboflavin in overweight and obese women.

Results: The RMR/FFM showed a significant association with riboflavin (β = 1.59; 95% CI 1.04-23.26, P = 0.04) and zinc (β = 0.78; 95% CI 1.04-4.61, P = 0.03) in the crude model. Moreover, differences in vitamin C and RMR/FFM was marginal significant (β = 0.75; 95% CI 0.95-4.77, P = 0.06). After adjusting for confounders the riboflavin association change to marginal significance (β = 1.52; 95% CI 0.91-23.04, P = 0.06). After controlling for potential confounders, the associations change between zinc and RMR/FFM (β = 0.66; 95% CI 0.78-4.86, P = 0.15) and between RMR/FFM and vitamin C (β = 0.48; 95% CI 0.66-3.96, P = 0.28). Our study showed a significant association between dietary intake of zinc, riboflavin, and vitamin C and change in RMR/FFM in overweight and obese women.
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http://dx.doi.org/10.1186/s13104-021-05582-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8117621PMC
May 2021

Comparison of the effect of soya protein and whey protein on body composition: a meta-analysis of randomised clinical trials.

Br J Nutr 2021 May 11:1-11. Epub 2021 May 11.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.

Essential amino acids (EAA) promote the process of regulating muscle synthesis. Thus, whey protein that contains higher amounts of EAA can have a considerable effect on modifying muscle synthesis. However, there is insufficient evidence regarding the effect of soya and whey protein supplementation on body composition. Thus, we sought to perform a meta-analysis of published randomised clinical trials that examined the effect of whey protein supplementation and soya protein supplementation on body composition (lean body mass, fat mass, body mass and body fat percentage) in adults. We searched PubMed, Scopus and Google Scholar, up to August 2020, for all relevant published articles assessing soya protein supplementation and whey protein supplementation on body composition parameters. We included all randomised clinical trials that investigated the effect of whey protein supplementation and soya protein supplementation on body composition in adults. Pooled means and standard deviations were calculated using random effects models. Subgroup analysis was applied to discern possible sources of heterogeneity. After excluding non-relevant articles, ten studies, with 596 participants, remained in this study. We found a significant increase in lean body mass after whey protein supplementation (weighted mean difference (WMD: 0·91; 95 % CI 0·15, 1·67; P = 0·019). We observed no significant change between whey protein supplementation and body mass, fat mass and body fat percentage. We found no significant change between soya protein supplementation and body composition parameters. Whey protein supplementation significantly improved body composition via increases in lean body mass, without influencing fat mass, body mass and body fat percentage.
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http://dx.doi.org/10.1017/S0007114521001550DOI Listing
May 2021

Association of Adherence to Diabetics Feeding Recommendation with Glycaemic Control and with Malnutrition Risk Among Normal Weight Persons with Type 2 Diabetes in Ghana.

Malays J Med Sci 2021 Apr 21;28(2):84-99. Epub 2021 Apr 21.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran.

Background: Diabetes mellitus (DM) is public health problem. Feeding-recommendations help persons with diabetes control glycaemia. The aim was to access the association between adherence to diabetics' feeding recommendation with glycaemic control and with malnutrition risk.

Methods: Cross-sectional study was conducted among 530 baseline normal weight (body mass index [BMI] 18.5 kg/m-24.9 kg/m) persons with type 2 diabetes (T2DM) in Brong Ahafo region of Ghana, from August 2018 to September 2019. Adherence to feeding recommendation was evaluated with perceived dietary adherence questionnaire (PDAQ). Malnutrition-risk was assessed using malnutrition universal screening tool. Multinomial logistics regression models were used to assess the association between adherence to diabetics' feeding recommendation with glycaemic control and with malnutrition risk.

Results: Participants were generally healthy. Weight ( = 0.011), total cholesterol ( = 0.003) and glycated haemoglobin (HbA1c)% ( < 0.001) were significant with adherence to diabetics feeding recommendation. Low adherence to diabetics' feeding recommendation (adjusted odds ratio [AOR] 2.56; 95% CI: 1.44, 4.56; < 0.001), low adherence to fruit and vegetables (AOR 2.71; 95% CI: 1.48, 4.99; < 0.001), low adherence to whole grain, beans, starchy-fruits and plantain (AOR 3.29; 95% CI: 1.81, 6.02; < 0.001), and low adherence to foods prepared with walnut, canola, sunflower, cotton seed and fish oils (AOR 2.62; 95% CI: 1.49, 4.58; < 0.001) were significant with poor glycaemic control. Furthermore, low adherence to food prepared with walnut, canola, sunflower, cotton seed, fish or soy oils (AOR 0.54; 95% CI: 0.31, 0.95; = 0.034) and low adherence to fish and lean meat (AOR 2.09; 95% CI: 1.14, 3.86; = 0.017) were significant with moderate malnutrition risk.

Conclusion: This study demonstrates that poor adherence feeding recommendation could be related to glycaemic control and malnutrition risk.
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http://dx.doi.org/10.21315/mjms2021.28.2.8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8075600PMC
April 2021

Circulating inflammatory markers may mediate the relationship between low carbohydrate diet and circadian rhythm in overweight and obese women.

BMC Womens Health 2021 03 1;21(1):87. Epub 2021 Mar 1.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box 14155-6117, Tehran, Iran.

Background: Low carbohydrate diet (LCD) can improve inflammation and obesity and also circadian rhythm disorders can lead to increased inflammation in obese individuals. The purpose of this study is to evaluate the association between adherence of LCD and circadian rhythm mediated by inflammatory markers including transforming growth factor-β (TGF-β), interleukin-1β (IL-1β) and Galectin-3 in overweight and obese women.

Methods: 304 women affected by overweight and obesity were enrolled. We evaluated LCD scores by Semi-quantitative food frequency questionnaire (FFQ) of 147 items. The morning-evening questionnaire (MEQ) was applied to evaluate the circadian rhythm. Biochemical parameters such as inflammatory markers and anthropometric components were assessed.

Results: There was a negative significant correlation between adherence of LCD and circadian rhythm status. In other words, as the LCD scores increased, the odds of circadian rhythm disturbance in intermediate group and morning type persons decreased compared to evening type. It was showed that, IL-1β and Galectin-3 in intermediate and morning type groups, destroyed the significance of this relationship and may be considered as mediating markers.

Conclusion: Adherence of LCD can improve the circadian rhythm by reducing levels of inflammatory markers and may be considered as a treatment for obesity.
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http://dx.doi.org/10.1186/s12905-021-01240-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7923314PMC
March 2021

Variants in Circadian Rhythm Gene Interacts with Healthy Dietary Pattern for Serum Leptin Levels: a Cross-sectional Study.

Clin Nutr Res 2021 Jan 28;10(1):48-58. Epub 2021 Jan 28.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran 14155-6117, Iran.

Circadian disruption causes obesity and other metabolic disorders. There is no research considering the role of Cryptochromes (Cry) 1 body clock gene and major dietary patterns on serum leptin level and obesity. We aimed to investigate the interaction between circadian gene polymorphisms and major dietary patterns on leptin and obesity related measurements. This study was performed on 377 overweight and obese women. Mean age and body mass index (BMI) of study subjects were 36.64 ± 9.02 years and 30.81 ± 3.8 kg/m, respectively. Dietary assessment was done using a validated 147-item food frequency questionnaire. rs2287161 were genotyped using polymerase chain reaction-restriction fragment length polymorphism. Generalized linear models were used for interaction analysis. Healthy and unhealthy dietary pattern (HDP and UDP, respectively) were extracted using factor analysis (principal component analysis). Our study revealed a significant higher weight (p = 0.003) and BMI (p = 0.042) in women carrying CC homozygote compared with G allele carriers. Moreover, our findings showed a significant gene-diet interaction between HDP and rs2287161 on BMI (p = 0.034) and serum leptin level (p = 0.056) in which, BMI and serum leptin level were lower in subjects with CC genotype than in those with GG genotype while following HDP. This study suggests a significant interaction between rs2287161 polymorphisms and HDP on BMI and serum leptin and the lowering effects were apparent among C allele carriers compared to G allele ones. This data highlights the role of dietary pattern in relation of gene and obesity.
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http://dx.doi.org/10.7762/cnr.2021.10.1.48DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7850819PMC
January 2021

Association of dietary diversity score (DDS) and migraine headache severity among women.

Neurol Sci 2021 Jan 11. Epub 2021 Jan 11.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box:14155-6117, Tehran, Iran.

Background And Objectives: Migraine is an episodic disorder that is characterized by unilateral headache lasting 4-72 h along with certain associated features. Modifying dietary habits have been considered an appropriate therapeutic approach in these patients. This study was designed to examine the association between dietary diversity score (DDS) and severity, frequency, and duration of migraine attacks.

Methods And Materials: The present study was conducted using a cross-sectional design on 256 women 18-50 years old referred to neurology clinics for the first time. After the diagnosis of migraine by a neurologist, the data related to anthropometric measures and dietary intake (147-item semi-quantitative food frequency questionnaire) were collected. To assess migraine severity, the migraine disability assessment questionnaire (MIDAS), visual analog scale (VAS), and a 30-day headache diary were used. Multinomial logistic regression was used to evaluate the association between DDS and migraine severity. The age, physical activity, BMI, and job were considered confounding variables in regression model. Data were analyzed using SPSS software and P values < 0.05 considered statistically significant.

Results: Totally, 256 subjects participated in the present study with mean age, height, weight, and BMI of 34.28 ± 7.88 years, 161.78 ± 5.18 cm, 69.25 ± 13.06 kg, and 26.46 ± 4.89 kg/m2, respectively. Subjects with higher DDS had a lower waist circumference (P = 0.01). There was no association between DDS and other anthropometric measures and demographic characteristics (P > 0.05). In the crude model of logistic regression, participants with lower DDS had higher odds of more pain severity (OR = 2.30; 95% CI = 1.28, 4.12; P = 0.005), migraine disability (OR = 2.66; 95% CI = 1.51, 4.69; P = 0.001), and headache duration (OR = 2.32; CI = 1.22, 4.40; P = 0.01) compared to reference group. No association was found between headache frequency and DDS. Adjusting for the effect of confounding variables did not change the significant association.

Conclusion: DDS was inversely associated with migraine disability, pain severity, and headache frequency. Additional studies are needed to replicate these findings and to explore mechanisms that mediate the association between DDS and migraine attacks.
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http://dx.doi.org/10.1007/s10072-020-04982-6DOI Listing
January 2021

Effect of melatonin supplementation on sleep quality: a systematic review and meta-analysis of randomized controlled trials.

J Neurol 2021 Jan 8. Epub 2021 Jan 8.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O Box 6446, 14155, Tehran, Iran.

Background: The Present study was conducted to systematically review the effect of the melatonin on sleep quality. We summarized evidence from randomized clinical trials (RCTs) that investigated the effects of melatonin on sleep quality as assessed by the Pittsburgh Sleep Quality Index (PSQI) in adults with various diseases.

Methods: The literature searches of English publications in MEDLINE and EMBASE databases were performed up June 2020. Results were summarized as mean differences (MD) with 95% confidence intervals (CI) using random effects model (DerSimonian-Laird method). Heterogeneity among studies was evaluated by the Cochrane Q test and I-squared (I2). To determine the predefined sources of heterogeneity, subgroup analysis was performed.

Results: Of 2642 papers, 23 RCTs met inclusion criteria. Our results indicated that melatonin had significant effect on sleep quality as assessed by the Pittsburgh Sleep Quality Index (PSQI) (WMD: - 1.24; 95% CI - 1.77, - 0.71, p = 0.000). There was significant heterogeneity between studies (I = 80.7%, p = 0.000). Subgroup analysis based on health status and kind of intervention were potential between-study heterogeneity. Subgroup analysis based on health status revealed melatonin intervention in subjects with Respiratory diseases (WMD: - 2.20; 95% CI - 2.97, - 1.44, p = 0.000), Metabolic disorders (WMD: - 2.74; 95% CI - 3.48, - 2.00, p = 0.000) and sleep disorders (WMD: - 0.67; 95% CI - 0.98, - 0.37, p = 0.000) has significant effect on sleep quality.

Conclusion: We found that the treatment with exogenous melatonin has positive effects on sleep quality as assessed by the Pittsburgh Sleep Quality Index (PSQI) in adult. In adults with respiratory diseases, metabolic disorders, primary sleep disorders, not with mental disorders, neurodegenerative diseases and other diseases.
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http://dx.doi.org/10.1007/s00415-020-10381-wDOI Listing
January 2021

The interaction between dietary approaches to stop hypertension and MC4R gene variant in predicting cardiovascular risk factors.

Int J Vitam Nutr Res 2020 Dec 7:1-9. Epub 2020 Dec 7.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.

: The genetic variants near the melanocortin-4 receptor gene (MC4R), a key protein regulating energy balance and adiposity, have been related to obesity and cardiovascular risk factors. However, qualitative and quantitative aspects of diet may modulate the association of this polymorphism with obesity and cardiovascular diseases (CVDs). The aim of this study was to evaluate interactions among MC4R rs17782313, the Dietary Approaches to Stop Hypertension (DASH) diet and risk factors for CVDs. : This cross-sectional study was conducted on 266 Iranian women categorized by body mass index (BMI) range of 25-40 kg/m as overweight or obese. CVD risk factors included waist circumference (WC), lipid profile, blood pressure, insulin circulation and fasting blood sugar (FBS). Insulin and FBS were used to calculate homeostatic model assessment insulin resistance (HOMA-IR) Body composition was assessed by a multi-frequency bioelectrical impedance analyzer, InBody 770 scanner. : The findings of this study show that high adherence to the DASH diet in the CC groups were associated with decreased SBP and DBP compared to the TT group. In addition, a significant difference between women with high adherence to the DASH diet compared to low adherence was observed for body weight (p < 0.001), fat free mass (FFM) (p = 0.01) and BMI (p = 0.02). Women with the CC genotype had higher insulin (mg/dl) (mean and SD, for TT: 14.6 ± 4.6, TC: 17.3 ± 9.2, CC: 15.3 ± 4.8, p = 0.04) and HOMA-IR (mean for and SD, TT: 3.1 ± 1.07, TC: 3.9 ± 2.4, CC: 3.2 ± 1.1, p = 0.01) than TT group. Inclusion of potential confounding variables (age, physical activity, BMI and daily caloric intake) did not attenuate the difference. : Among overweight/obese Iranian women with the CC genotype, incorporating the DASH diet may serve as a dietary prescription to decrease CVD risk. A dietary intervention trial is warranted.
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http://dx.doi.org/10.1024/0300-9831/a000690DOI Listing
December 2020

Associations of dietary inflammatory index, serum levels of MCP-1 and body composition in Iranian overweight and obese women: a cross-sectional study.

BMC Res Notes 2020 Nov 23;13(1):544. Epub 2020 Nov 23.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran.

Objective: Although, several studies have illustrated that there is a relation between dietary inflammatory index (DII) with obesity-related parameters, and inflammation, their results were controversial. This study aimed to investigate this relationship among Iranian women.

Results: Multivariable linear regression showed that fat mass was 0.14 kg lower in the anti-inflammatory diet group, with respect to the pro-inflammatory group, after adjusting covariates such as age, physical activity, economic and job status (β = - 0.142, 95% CI - 4.44, - 1.71, P = 0.03). Fat-free mass (FFM) was 1.5 kg more in the anti-inflammatory diet group, compared to the pro-inflammatory diet group, after adjusting for potentials cofounders (β = 1.50, 95% CI 0, 3.01, p = 0.05). Furthermore, after adjusting for potentials cofounders, it was revealed that the subjects with lower DII had lower monocyte chemoattractant protein-1 (MCP-1) levels in serum (β = - 18.81, 95% CI - 35.84, - 1.79, p = 0.03). These findings suggest an inverse and significant relationship between DII and FFM and also DII is directly related to Fat mass and the level of MCP-1. This finding can be used for developing interventions that aim to promote healthy eating to prevent inflammation and non-communicable disease development among obese females.
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http://dx.doi.org/10.1186/s13104-020-05390-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7684955PMC
November 2020

The association of Dietary Approaches to Stop Hypertension-style diet with urinary risk factors of kidney stones formation in men with nephrolithiasis.

Clin Nutr ESPEN 2020 10 24;39:173-179. Epub 2020 Jul 24.

Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.

Objective: The relation of the Dietary Approaches to Stop Hypertension (DASH)-style diet to urinary lithogenic factors is unclear. This study aimed to assess the association between adherence to the DASH diet and urinary risk factors of kidney stones formation.

Methods: A total of 264 men apparently with nephrolithiasis, aged 18-89 years, participated in this cross-sectional study. The food item-based DASH diet based on 8 components (nuts and legumes, red and processed meat, low-fat dairy products, sweetened beverages, fruits, vegetables, sodium, and whole grains) and nutrient-based DASH score based on 9 target nutrients (protein, fiber, total fat, saturated fat, cholesterol, sodium, calcium, potassium, and magnesium) were calculated using a food frequency questionnaire. Urine analysis was performed to measure hypercalciuria, hypocitraturia, hyperoxaluria, hyperuricosuria, and hypercreatinuria as study outcomes. Multivariate logistic regression analysis was used to evaluate the relation of DASH diet to urinary factors.

Results: After multivariate adjustment, high adherence to the food-based or nutrient-based DASH dietary patterns was significantly associated with lower odds for hypercreatininuria, hypocitraturia, and hypercalciuria. Higher nutrient-based DASH diet scores were related to lower odds of hyperuricosuria and moderate adherence to the food-based DASH score increased odds for hyperoxaluria. Moreover, expect for "Nuts and legumes" and sodium, other components of DASH diet were significantly related to urinary lithogenic factors.

Conclusion: Adherence to the DASH diet may be a strong preventive approach to decrease urinary risk factors of kidney stone formation.
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http://dx.doi.org/10.1016/j.clnesp.2020.06.021DOI Listing
October 2020

Adherence to Lifelines Diet Score (LLDS) is associated with better sleep quality in overweight and obese women.

Eat Weight Disord 2021 Jun 13;26(5):1639-1646. Epub 2020 Aug 13.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran.

Purpose: Previous studies have shown the connection between diet quality to sleep quality and weight status, although the relationship between Lifelines Diet Score (LLDS)-a fully food-based score that uses the 2015 Dutch Dietary Guidelines and underlying international literature-and sleep quality has not been evaluated in overweight and obese individuals yet. This observational study was conducted on overweight and obese adult females to assess the relationship between adherence to a LLDS pattern and sleep quality in Iran.

Methods: A cohort of 278 overweight and obese women aged above 18 years was enrolled and their dietary intake was assessed using a 147-item, semi-quantitative, validated food frequency questionnaire. Pittsburgh Sleep Quality Index (PSQI), a self-reported questionnaire including 19-items, was applied to estimate sleep quality among the target population. Diet quality indices (LLDS) were calculated using the P.C. Vinke, et al. method, based on the 2015 Dutch Dietary Guidelines and the underlying literature.

Results: Subjects in the highest LLDS tertile (those who had adhered closely to the food-based score) were older, compared to the lowest tertile (37.57 ± 7.77 versus 34.57 ± 9; p = 0.01). It was shown that about 25.5% of our subjects have poor quality sleep and 39% have better sleep quality which were mostly in the third tertile with greater LLDS. The parallel values in the first tertile were 29.9% and 46.8%, respectively (p = 0.02). Binary logistic regression was applied to evaluate the association between adherence of LLDS and sleep quality. The result has shown that the LLDS were correlated with lower risk poor sleep quality, wherein those who were in higher tertile (higher adherence to LLDS) had better sleep quality (odds ratio [OR]:0.586, 95% confidence interval [CI] (0.285-1.207), p = 0.009) and the result was not affected by adjusting for potential cofounders including age, education levels, and economic levels, sleep quality remained significantly associated with [OR]: 0.531, 95% confidence interval [CI] (0.248-1.138, p = 0.014).

Conclusions: From this observational study, the higher LLDS can be related with better sleep quality in overweight and obese women.

Level Of Evidence: Level IV, evidence obtained from multiple time series with or without the intervention, such as case studies.
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http://dx.doi.org/10.1007/s40519-020-00985-6DOI Listing
June 2021

The association of dietary inflammatory index with urinary risk factors of kidney stones formation in men with nephrolithiasis.

BMC Res Notes 2020 Aug 8;13(1):373. Epub 2020 Aug 8.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, P.O. Box: 14155-6117, Iran.

Objective: Inflammation plays a leading role in the pathogenesis of nephrolithiasis. The association of the dietary inflammatory index (DII) with urinary lithogenic factors is unclear. This study aimed to evaluate the relation of DII to urinary risk factors of kidney stones formation.

Results: Of 264 participants, 61.4% (n = 162), 72% (n = 190), 74.6% (n = 197), 68.6% (n = 181), and 80.3% (n = 212) had hyperoxaluria, hypercreatininuria, hypercalciuria, hyperuricosuria, hypocitraturia, respectively. There was a significant increasing trajectory in urinary calcium, uric acid, and creatinine as well as a decreasing trend in urinary citrate across tertiles of DII score (all P = ≤0.001). After multivariate adjustment for energy intake, age, physical activity and body mass index, high DII scores were associated with elevated odds of having hypercreatininuria (OR = 2.80, 95%CI: 1.10-7.12, P = 0.04), hypercalciuria (OR = 7.44, 95%CI: 2.62-21.14, P ≤ 0.001), hyperuricosuria (OR = 2.22, 95%CI: 1.001-4.95, P = 0.05), and hypocitraturia (OR = 5.84, 95%CI: 2.14-15.91, P ≤ 0.001). No association was identified between DII and hyperoxaluria.
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http://dx.doi.org/10.1186/s13104-020-05206-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7414556PMC
August 2020

Associations between adherence to MIND diet and severity, duration and frequency of migraine headaches among migraine patients.

BMC Res Notes 2020 Jul 16;13(1):341. Epub 2020 Jul 16.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran.

Objectives: Migraine is a neurological disorder causing unbearable pain. Dietary approach is proposed as a preventive way of reducing the severity of migraine headaches. The present study aimed to examine the association between MIND diet and migraine headaches.

Results: We found that participants with higher score of MIND diet compared to those with lower score, were less likely to have severe headaches (OR = 0.64; 95% CI 0.45, 0.91; P = 0.01). Moreover, our results showed an inversed correlation between mind diet score and duration (β = - 0.14, 95% CI - 1.42, - 0.14, P = 0.04) and frequency of headaches (β = - 0.13, 95% CI - 0.99, - 0.07, P = 0.03).
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http://dx.doi.org/10.1186/s13104-020-05181-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7364542PMC
July 2020

Nutrient pattern of unsaturated fatty acids and vitamin E increase resting metabolic rate of overweight and obese women.

Int J Vitam Nutr Res 2020 Jul 16:1-9. Epub 2020 Jul 16.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.

: Obesity plays an important role in the development of chronic diseases including cardiovascular disease and diabetes. A low resting metabolic rate (RMR) for a given body size and composition is a risk factor for obesity, however, there is limited evidence available regarding the association of nutrient patterns and RMR. The aim of this study was to determine the association of nutrient patterns and RMR in overweight and obese women. : This cross-sectional study was conducted on 360 women who were overweight or obese. : Dietary intake was assessed using a semi-quantitative standard food frequency questionnaire (FFQ). Nutrient patterns were also extracted by principal components analysis (PCA). All participants were evaluated for their body composition, RMR, and blood parameters. : Three nutrient patterns explaining 64% of the variance in dietary nutrients consumption were identified as B-complex-mineral, antioxidant, and unsaturated fatty acid and vitamin E (USFA-vit E) respectively. Participants were categorized into two groups based on the nutrient patterns. High scores of USFA-vit E pattern was significantly associated with the increase of RMR (β = 0.13, 95% CI = 0.79 to 68.16, p = 0.04). No significant associations were found among B-complex-mineral pattern (β = -0.00, 95% CI = -49.67 to 46.03, p = 0.94) and antioxidant pattern (β = 0.03, 95% CI -41.42 to 22.59, p = 0.56) with RMR. : Our results suggested that the "USFA-vit E" pattern (such as PUFA, oleic, linoleic, vit.E, α-tocopherol and EPA) was associated with increased RMR.
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http://dx.doi.org/10.1024/0300-9831/a000664DOI Listing
July 2020

The interaction between the dietary inflammatory index and MC4R gene variants on cardiovascular risk factors.

Clin Nutr 2021 Feb 3;40(2):488-495. Epub 2020 Jun 3.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran. Electronic address:

Background: Previous studies have shown that the minor allele (C allele) for melanocortin 4 receptor (MC4R) rs17782313, may be associated with incidence of obesity and the risk of cardiovascular diseases (CVDs). Moreover, inflammation caused by the diet has been shown to have, potentially, unfavorable effects on CVD risk. This study used a linear regression model to investigate the interactions between the dietary inflammatory index (DII) and MC4R gene variants on markers of CVD.

Methods: This comparative cross-sectional study was conducted on 266 Iranian women with overweight and obesity. A food frequency questionnaire (FFQ) with 147 items was used to assess dietary intakes. Individuals were categorized into three groups based on rs17782313 genotype. Participants were also divided into four groups based on DII score.

Results: Higher quartiles of DII were associated with lower levels of high density lipoproteins (HDL) (p = 0.01) and higher levels of triglycerides (TG) (p = 0.04). There was a significant difference between genotypes for insulin (p < 0.001), HOMA index (p < 0.001), total body mineral content (p = 0.03), and bone mineral content (BMC) (p = 0.04). Our findings also showed significant interactions between DII score and rs17782313 polymorphism on total cholesterol, total body mineral content, BMC, soft lean mass (SLM), fat free mass (FFM) (p = 0.03), skeletal muscle mass (SMM), and basal metabolic rate (BMR).

Conclusion: Higher DII scores were associated with lower HDL levels and higher TG levels, respectively; whilst significant differences were observed between the genotypes of rs17782313 for insulin and HOMA index, total body mineral content, and BMC. These results highlight that dietary compositions, gene variants, and their interaction, should be considered in CVD risk assessment.
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http://dx.doi.org/10.1016/j.clnu.2020.04.044DOI Listing
February 2021

Association of drinking water and migraine headache severity.

J Clin Neurosci 2020 Jul 20;77:81-84. Epub 2020 May 20.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran. Electronic address:

Objectives: Migraine is a common type of headaches and disabling disorder. Based on evidences dehydration is closely related to promote migraine headcahe frequency and severity. The Water intake is the best intervention to reduce or prevent headache pain. water intake in migraine patients has rarely been studied. the present study aimed to evaluate the relation between water intake and headache properties in migraine.

Methods And Materials: The present study was conducted using a cross-sectional design on 256 women 18-45 years old referred to neurology clinics for the first time. The diagnosis of migraine by a neurologist the according to ICHD3 criteria and To assess migraine severity the Migraine disability assessment questionnaire (MIDAS), visual analog scale (VAS), and a 30-day headache diary were used. One-way analysis was used to evaluate the associations between MIDAS and VAS with daily water intake. Pearson correlation analysis was used to evaluate the relationship between the number of days and duration of headache with daily water intake. Data were analyzed using SPSS software and P-values < 0.05 considered statistically significant.

Results: The results showed that the severity of migraine disability (P < 0.001), pain severity (P < 0.001), headaches frequency (P < 0.001), and duration of headaches (P < 0.001) were significantly lower in those who consumed more water or total water.

Conclusion: The present study found a significant negative correlation between daily water intake and migraine headache characteristics but further clinical trials are needed to interpret the causal relationship.
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http://dx.doi.org/10.1016/j.jocn.2020.05.034DOI Listing
July 2020

Principal component analysis of adipocytokines and insulin associate with risk factors of cardiovascular diseases.

BMC Res Notes 2020 Apr 14;13(1):212. Epub 2020 Apr 14.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran.

Objectives: Obesity plays an important role in the development of chronic diseases like cardiovascular diseases and diabetes. The possible underlying mechanism for this connection is that adipose tissue secretes an array of chemical messenger adipokines proinflammatory cytokines (tumor necrosis factor-alpha, interleukin-6, and interleukin-1-beta). This study aimed to investigate the linkage between adipocytokines and insulin with the cardiovascular disease risk, with particular reference to the adipokines galectin-3, plasminogen activator inhibitor-1, and interleukin-1-beta, C-reactive protein, and monocyte chemoattractant protein.

Result: Two patterns were identified. The first pattern was galectin-3, plasminogen activator inhibitor-1 and interleukin-1-beta and the second one was C-reactive protein, insulin and monocyte chemoattractant protein-1. The second pattern was strongly associated with the higher scores for resting metabolic rate, diastolic blood pressure, homeostasis model insulin resistance index, lipid profile (except low density lipoprotein, total cholesterol), and body composition parameters (except fat free mass index and waist hip ratio), while negatively associated with age and high density lipoprotein level (all p < 0.05). The first pattern was, however, significantly associated with body fat mass, obesity degree percentage, waist circumference, fat mass index, and waist hip ratio (p < 0.05 for all). This is a retrospective study. Ethics approval (IR.TUMS.VCR.REC.1395.1597).
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http://dx.doi.org/10.1186/s13104-020-04976-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7157993PMC
April 2020

Association between dietary energy density with mental health and sleep quality in women with overweight/obesity.

BMC Res Notes 2020 Mar 30;13(1):189. Epub 2020 Mar 30.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran.

Objective: Mental health, sleep quality, and dietary intake are interlinked. Impairment of mental health and low sleep quality may contribute to obesity through the consumption of diets high in energy density. Nevertheless, it is not clear whether dietary energy density (DED) influences mental health. This study aimed to examine the association of DED with mental health indices, including depression, anxiety, stress, and sleep quality in women with overweight/obesity.

Results: There was a decreasing trajectory in serum triglyceride across quartiles of DED (from Q1 to Q4) in the crude analysis and also after adjustment for age, BMI, and physical activity After adjustment for age, BMI, and physical activity, subjects in the highest quartile of DED had higher systolic and diastolic blood pressure. DED was significantly associated with increased odds of stress in the crude (OR = 2.15, 95% CI 1.01-4.56, p = 0.04) and adjusted model for age, BMI, and physical activity (OR = 2.56, 95% CI 1.13-5.79, p = 0.02). No significant relationship was observed between DED and depression, anxiety and sleep quality. In conclusion, current study shows preliminary evidence of an association between DED and stress.
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http://dx.doi.org/10.1186/s13104-020-05025-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7106572PMC
March 2020

Beneficial impact of exercise on bone mass in individuals under calorie restriction: a systematic review and Meta-analysis of randomized clinical trials.

Crit Rev Food Sci Nutr 2021 17;61(4):553-565. Epub 2020 Mar 17.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.

A major therapeutic goal in weight management should be total body fat reduction whereas as preserving lean body mass and bone mass density. It is uncertain if an exercise program reduces the adverse effects of calorie restriction-induced weight loss in adults. The aim of the present study was to evaluate the differences in bone mass between adults who enrolled in a calorie restriction or an exercise-calorie restriction induced weight loss program. Both PubMed and Scopus libraries were searched up to February 2020. Systematic reviews and a meta-analysis were carried out of randomized clinical trials (published to February 2020) on differences in bone mineral density and content (BMD and BMC) of adults who lost weight by calorie restriction alone (CR) or exercise-calorie restriction (CR-E). The study quality was calculated using the Cochrane scoring system. Retrieved data were pooled when weight mean differences (WMDs) were computed between two groups for BMD and BMC at various sites of the body. Thirteen studies, with a total of 852 participants were included. Available evidence found significantly higher BMD at the hip (WMD: 0.03 g/cm, 95%CI: 0.01 to 0.04, p < 0.001) and femoral neck WMD: 0.03 g/cm, 95%CI: 0.01 to 0.05, p < 0.001) and total body BMC (WMD: 0.13 kg/cm, 95%CI: -0.10 to 0.36, p < 0.001) in the CR-E compared to the CR weight loss group. In contrast, all changes in total body BMD (WMD: 0.00 g/cm, 95%CI: -0.01 to 0.02, p = 0.57) and lumbar spine BMD (WMD: 0.00 g/cm, 95%CI: -0.01 to 0.01, p = 0.89) were not statistically significant. Little evidence was available for different sexes separately. Most individuals were postmenopausal females and no subgroup analysis could be conducted based on menopausal status. This study suggests that physical training can preserve and even significantly increase the bone mass of the hip and femoral neck during weight reduction. Of note, various exercise modalities affected BMD at different sites. Similar results were not found for lumbar spine and total body BMD.
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http://dx.doi.org/10.1080/10408398.2020.1739620DOI Listing
January 2021

Revising the Comprehensive Feeding Practices Questionnaire Used in Planning Preventive Overweight, Obesity, and Underweight Programs for 2-5-year-old Children.

Int J Prev Med 2019 9;10:159. Epub 2019 Oct 9.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran.

Background: Overweight, obesity, and underweight are common child health problems in Iran. Child-feeding practices are one of the major factors affecting children's weight through eating behavior and dietary intake. The Comprehensive Feeding Practices Questionnaire (CFPQ), a 49-item measure comprising 12 subscales, assesses parental child-feeding practices. It is used to determine factors that may affect the development of overweight, obesity, and underweight and therefore, helps us plan appropriate preventive action. The aim of this study was to revise and adapt CFPQ to be used for 2-5-year-old children.

Methods: This study including, 300 mothers selected by simple systematic random sampling, was conducted in the rural and urban areas of Birjand city, Iran. Health workers interviewed the mothers and completed questionnaire according to the standard protocol. Exploratory factor analysis (EFA), tests for internal consistency, and test-retest reliability were conducted.

Results: EFA resulted in a final questionnaire with 39 items distributed over seven factors, including Healthy Eating Guidance, Modeling, Parent Pressure, Monitoring, Emotion Regulation, Child Control, and Restriction. The internal consistency reliability for the proposal scales was acceptable for five out of the seven factors and all of the seven factors demonstrated excellent test-retest reliability.

Conclusions: The revised CFPQ is a valid tool for determining the various aspects of parental feeding practices aiming to prevent overweight, obesity, and underweight among 2-5-year-old children.
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http://dx.doi.org/10.4103/ijpvm.IJPVM_34_18DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6826674PMC
October 2019

Is there any association between dietary patterns, food security status and psychiatric disorders among Iranian earthquake victims?

BMJ Mil Health 2021 Jun 20;167(3):153-157. Epub 2020 Feb 20.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran

Background: Diet changes through disasters may affect psychological health as well as general health. The present study aimed to find food security status-that is defined by having enough food for an active, healthy life-dietary patterns and their relationship with probable psychiatric disorders in earthquake survivors.

Methods: This cross-sectional study conducted on 350 women who survived in East Azarbaijan earthquake (At 4:53 am on 11 August 2012). Food frequency questionnaire, Depression, Anxiety and Stress Scale and food security questionnaire of the US Department of Agriculture were used to assess dietary patterns, psychological and food security status, respectively. P values were considered significant at <0.05.

Results: Four major dietary patterns were defined based on factor analysis. These four dietary patterns explained of 37.09% variation of food intakes. Ten per cent of the population was food secure. There was no significant association between tertiles of major dietary patterns and risk of all psychological disorders (p values>0.05).

Conclusion: There was no statistically significant association between major dietary patterns and psychiatric disorders. Further well-designed studies need to find any significant association.
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http://dx.doi.org/10.1136/jramc-2019-001301DOI Listing
June 2021

Risk of type 2 diabetes in metabolically healthy people in different categories of body mass index: an updated network meta-analysis of prospective cohort studies.

J Cardiovasc Thorac Res 2019 24;11(4):254-263. Epub 2019 Oct 24.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.

Risk of diabetes mellitus type 2 (T2DM) is variable between individuals due to different metabolic phenotypes. In present network meta-analysis, we aimed to evaluate the risk of T2DM related with current definitions of metabolic health in different body mass index (BMI) categories. Relevant articles were collected by systematically searching PubMed and Scopus databases up to 20 March 2018 and for analyses we used a random-effects model. Nineteen prospective cohort studies were included in the analyses and metabolically healthy normal weight (MHNW) was considered as the reference group in direct comparison for calculating indirect comparisons in difference type of BMI categories. Total of 199403 participants and 10388 cases from 19 cohort studies, were included in our network meta-analysis. Metabolically unhealthy obesity (MUHO) group poses highest risk for T2DM development with 10 times higher risk when is compared with MHNW (10.46 95% CI; 8.30, 13.18) and after that Metabolically unhealthy overweight (MUOW) individuals were at highest risk of T2DM with 7 times higher risk comparing with MHNW (7.25, 95% CI; 5.49, 9.57). Metabolically healthy overweight and obese (MHOW/MHO) individuals have (1.77, 95% CI; 1.33, 2.35) and (3.00, 95% CI; 2.33, 3.85) risk ratio for T2DM development in comparison with MHNW respectively. In conclusion we found that being classified as overweight and obese increased the risk of T2DM in comparison with normal weight. In addition, metabolically unhealthy (MUH) individuals are at higher risk of T2DM in all categories of BMI compared with metabolically healthy individuals.
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http://dx.doi.org/10.15171/jcvtr.2019.43DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6891044PMC
October 2019

Dietary approaches to stop hypertension, mediterranean dietary pattern, and diabetic nephropathy in women with type 2 diabetes: A case-control study.

Clin Nutr ESPEN 2019 10 14;33:164-170. Epub 2019 Jun 14.

Department and Biotechnology Research Center, Semnan University of Medical Sciences, Semnan, Iran. Electronic address:

Background And Aims: The association between dietary habits and kidney function in patients with type 2 diabetes (T2D) has been poorly investigated. We aimed to test the relationship between adherences to the Dietary Approaches to Stop Hypertension (DASH) diet and the Mediterranean dietary pattern (Med diet) and likelihood of diabetic nephropathy (DN) in women with T2D.

Methods: In a case-control study, 105 women with T2D and DN (albumin-creatinine ratio ≥ 30 mg/g, mean age: 55.3 ± 7.0 years; diabetes duration: 7.6 ± 2.2 years), and 105 controls with T2D and without DN (mean age: 55.4 ± 7.1 years; diabetes duration: 7.6 ± 2.1 years) who attended at Kowsar diabetes clinic in Semnan, Iran were matched for age and diabetes duration. Dietary intakes were assessed using a validated 147-item semiquantitative food frequency questionnaire. The DASH and Med diet scores were calculated using the methods developed by Fung and Trichopoulou, respectively. A generalized estimating equation model was used to examine the relationship between dietary scores and odds of DN across tertiles of dietary patterns scores.

Results: Type 2 diabetic women with moderate and high Med diet scores had 62% and 86% lower odds of DN in comparison with low adherent (ORs: 0.38, 95%CI: 0.20, 0.73; and 0.14, 95%CI: 0.06, 0.33; respectively). A moderate adherence to the DASH diet was not associated with risk of DN, but a significant inverse relationship was found in those with high adherence (OR: 0.71, 95%CI: 0.57, 0.90).

Conclusions: Adherence to the DASH and Med diets was inversely and dose-dependently associated with risk of DN. Further observational studies are needed to confirm the present results.
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http://dx.doi.org/10.1016/j.clnesp.2019.05.021DOI Listing
October 2019

Adherence to a healthy plant diet may reduce inflammatory factors in obese and overweight women-a cross-sectional study.

Diabetes Metab Syndr 2019 Jul - Aug;13(4):2795-2802. Epub 2019 Jul 26.

Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran. Electronic address:

Objective: Obesity and overweight which are consequence of some interaction factor such as genetics and behavioral habit. Obesity as a metabolic disorder and chronic inflammation is a trigger to countless disease. The main goal of this study is to investigate the interaction of herbal diet on the levels of liver enzymes, inflammatory factors and adipocytes profile.

Materials And Methods: A total of 240 adult women range of 18-48 years were included in the current comparative cross-sectional study. Body composition and dietary intake (using a validated semi-quantitative food frequency questionnaire (FFQ)) were assessed in all participants. In determining a plant based diet index (PDI), vegetarian foods were taken positive score and reverse points for animal foods. For determining a healthful plant based diet index (hPDI), healthy plant foods received positive scores, while less healthy plant foods and animal foods received reverse scores. To create an unhealthful plant-based diet index (uPDI), positive scores were assigned to less healthy plant foods and reverse scores to healthy plant foods and animal foods. For the measurement of serum liver enzymes and inflammatory factors, an enzyme-linked immunosorbent assay (ELISA) method was used.

Results: Healthy diet like whole grains, fruits, vegetables, cereals, and beverages such as tea and coffee, based on dietary guidelines, significantly reduced the amount of hs-CRP and TGF-β (P < 0.0001). Higher adhering to hPDI may as a result in higher intake of fiber intake, antioxidants, unsaturated fats, micronutrients, could reduce saturated fats and iron content, and finally weight loss, and reduce inflammation in the body.

Conclusion: Base on our finding, in those people who intake higher amounts of healthy plant foods, (vegetable types), instead of unhealthy herbal foods (sweets and desserts), might be useful to reduce inflammation factor like TGF-β and hs-CRP. Women with a higher compliance score in uPDI group (juices, refined grains, starches sweetened with sugar, sweets, and desserts) did not have significantly increase in inflammatory factors levels.
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http://dx.doi.org/10.1016/j.dsx.2019.07.019DOI Listing
January 2020