18,343 results match your criteria glucose intolerance

A generic emergency protocol for patients with inborn errors of metabolism causing fasting intolerance: a retrospective, single-center study and the generation of www.emergencyprotocol.net.

J Inherit Metab Dis 2021 Apr 12. Epub 2021 Apr 12.

Section of Metabolic Diseases, Beatrix Children's Hospital, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands.

Introduction: Patients with inborn errors of metabolism causing fasting intolerance can experience acute metabolic decompensations. Long-term data on outcomes using emergency letters are lacking.

Methods: This is a retrospective, observational, single-center study of the use of emergency letters based on a generic emergency protocol in patients with hepatic glycogen storage diseases (GSD) or fatty acid oxidation disorders (FAOD). Read More

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Evaluation of glucagon-like peptide-1 receptor expression in non-diabetic and diabetic atherosclerotic mice using PET tracer Ga-NODAGA-exendin-4.

Am J Physiol Endocrinol Metab 2021 Apr 12. Epub 2021 Apr 12.

Turku PET Centre, University of Turku, Finland.

Activation of glucagon-like peptide-1 receptor (GLP-1R) signaling attenuates development of atherosclerosis and vascular inflammation. However, the expression of GLP-1R in atherosclerotic arteries remains uncertain. We evaluated whether a positron emission tomography (PET) tracer Ga-NODAGA-exendin-4 enables detection and imaging of GLP-1R expression in the mouse atherosclerotic aorta. Read More

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An alternative hypothesis for why exposure to static magnetic and electric fields treats type 2 diabetes.

Am J Physiol Endocrinol Metab 2021 Apr 12. Epub 2021 Apr 12.

Internal Medicine, Yale University School of Medicine, United States.

Carter et al. report that exposure to static magnetic and electric fields (sBE), for as little as 3 days, reverses glucose intolerance and insulin resistance in diet-induced and genetic mouse models of type 2 diabetes (1). They hypothesize that sBE triggers a systemic redox response to modulate insulin sensitivity and that sBE could therefore be used as a noninvasive treatment for type 2 diabetes. Read More

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Insulin receptor substrate 1 (IRS1), but not IRS2, plays a dominant role in regulating pancreatic alpha cell function in mice.

J Biol Chem 2021 Apr 8:100646. Epub 2021 Apr 8.

Islet Cell and Regenerative Biology, Joslin Diabetes Center, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Harvard Stem Cell Institute, Harvard Medical School, Boston, Massachusetts, USA. Electronic address:

Dysregulated glucagon secretion deteriorates glycemic control in type 1 and type 2 diabetes. Although insulin is known to regulate glucagon secretion via its cognate receptor (insulin receptor, INSR) in pancreatic alpha cells, the role of downstream proteins and signaling pathways underlying insulin's activities are not fully defined. Using in vivo (knockout) and in vitro (knockdown) studies targeting insulin receptor substrate (IRS) proteins, we compared the relative roles of IRS1 and IRS2 in regulating alpha cell function. Read More

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Effects of high fat diets and supplemental tart cherry and fish oil on obesity and type 2 diabetes in male and female C57BL/6J and TALLYHO/Jng mice.

J Nutr Biochem 2021 Apr 7:108644. Epub 2021 Apr 7.

Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA. Electronic address:

Obesogenic and diabetogenic high fat (HF) diets can influence genetic factors in disease development with sexual dimorphic responses. We investigated potential protective effects of tart cherry (TC), fish oil (FO) and TC+FO supplementation in TALLYHO/Jng (TH) and C57BL/6J (B6) mice fed HF diets. Male and female TH and B6 mice were weaned onto five different diets; low fat (LF), HF, and HF supplemented with TC, FO, or TC+FO and maintained. Read More

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Gain-of-function Lrp5 Mutation Improves Bone Mass and Strength and Delays Hyperglycemia in a Mouse Model of Insulin-Deficient Diabetes.

J Bone Miner Res 2021 Apr 8. Epub 2021 Apr 8.

Department of Medicine, Division of Bone and Mineral Diseases, Musculoskeletal Research Center.

High fracture rate and high circulating levels of the Wnt inhibitor, sclerostin have been reported in diabetic patients. We studied the effects of Wnt signaling activation on bone health in a mouse model of insulin-deficient diabetes. We introduced the sclerostin-resistant Lrp5 mutation, associated with high bone mass, in mice carrying the Ins2 mutation (Akita), which results in loss of beta cells, insulin deficiency and diabetes in males. Read More

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Dietary Selenium Requirement for the Prevention of Glucose Intolerance and Insulin Resistance in Middle-Aged Mice.

J Nutr 2021 Apr 8. Epub 2021 Apr 8.

Department of Food Science, Nutrition, and Health Promotion, Mississippi State University, Mississippi State, MS, USA.

Background: Although dietary selenium (Se) deficiency or excess induces type 2 diabetes-like symptoms in mice, suboptimal body Se status usually causes no symptoms but may promote age-related decline in overall health.

Objectives: We sought to determine the dietary Se requirement for protection against type 2 diabetes-like symptoms in mice.

Methods: Thirty mature (aged 4 mo) male C57BL/6J mice were fed a Se-deficient torula yeast AIN-93M diet supplemented with Na2SeO4 in graded concentrations totaling 0. Read More

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Does faecal calprotectin increase may be linked to lactose intolerance in patients with irritable bowel syndrome?

Minerva Gastroenterol (Torino) 2021 Apr 8. Epub 2021 Apr 8.

Gastroenterology Unit, North Hospital, Assistance Publique-Hôpitaux de Marseille, Aix-Marseille Université, Marseille, France.

Background: Irritable bowel syndrome (IBS) is a multifactorial condition without any specific investigation. Faecal calprotectin (FC) may be elevated in IBS without any explanation. In addition, some patients with IBS have symptoms related to lactose intolerance. Read More

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Bihormonal dysregulation of insulin and glucagon contributes to glucose intolerance development at one year post-delivery in women with gestational diabetes: a prospective cohort study using an early postpartum 75-g glucose tolerance test.

Endocr J 2021 Apr 6. Epub 2021 Apr 6.

Department of Endocrinology and Metabolism, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8501, Japan.

Gestational diabetes mellitus (GDM) is known to be a significant risk factor for the future development of type 2 diabetes. Here, we investigated whether a precise evaluation of β- and α-cell functions helps to identify women at high risk of developing glucose intolerance after GDM. Fifty-six women with GDM underwent a 75-g oral glucose tolerance test (OGTT) at early (6-12 weeks) postpartum. Read More

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Algae as a Source of Bioactive Compounds to Prevent the Development of Type 2 Diabetes Mellitus.

Curr Med Chem 2021 Mar 24. Epub 2021 Mar 24.

Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense. Spain.

Type 2 diabetes mellitus is a complicated metabolic disorder characterized by hyperglycemia and glucose intolerance. It is considered as a new pandemic whose control is creating numerous challenges. Although many of the measures are based on improving life habits, diet is also of vital importance due to bioactive compounds present in food. Read More

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Insulin resistance in diabetes: The promise of using induced pluripotent stem cell technology.

World J Stem Cells 2021 Mar;13(3):221-235

Diabetes Research Center, Qatar Biomedical Research Institute, Hamad Bin Khalifa University, Qatar Foundation, Doha 34110, Qatar.

Insulin resistance (IR) is associated with several metabolic disorders, including type 2 diabetes (T2D). The development of IR in insulin target tissues involves genetic and acquired factors. Persons at genetic risk for T2D tend to develop IR several years before glucose intolerance. Read More

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Pathophysiology of Neurogenic Obesity After Spinal Cord Injury.

Top Spinal Cord Inj Rehabil 2021 ;27(1):1-10

Department of Physical Medicine and Rehabilitation, University of Miami Miller School of Medicine, Miami, Florida.

Individuals with a spinal cord injury (SCI) have a unique physiology characterized by sarcopenia, neurogenic osteoporosis, neurogenic anabolic deficiency, sympathetic dysfunction, and blunted satiety associated with their SCI, all of which alter energy balance and subsequently body composition. The distinct properties of "neurogenic obesity" place this population at great risk for metabolic dysfunction, including systemic inflammation, hyperglycemia, dyslipidemia, and hypertension. The purpose of this article is to demonstrate the relationship between neurogenic obesity and the metabolic syndrome after SCI, highlighting the mechanisms associated with adipose tissue pathology and those respective comorbidities. Read More

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January 2021

Effects of the Combination of Evogliptin and Leucine on Insulin Resistance and Hepatic Steatosis in High-Fat Diet-Fed Mice.

Biomol Ther (Seoul) 2021 Apr 5. Epub 2021 Apr 5.

Department of Pharmacology, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea.

In this study, we aimed to investigate the effects of 8 weeks of treatment with a combination of evogliptin and leucine, a branchedchain amino acid, in mice with high-fat diet (HFD)-induced diabetes. Treatment with evogliptin alone or in combination with leucine reduced the body weight of the mice, compared to the case for those from the HFD control group. Long-term treatment with evogliptin alone or in combination with leucine resulted in a significant reduction in glucose intolerance; however, leucine alone did not affect postprandial glucose control, compared to the case for the mice from the HFD control group. Read More

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Male but not female mice with severe osteogenesis imperfecta are partially protected from high-fat diet-induced obesity.

Mol Genet Metab 2021 Mar 30. Epub 2021 Mar 30.

Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; Shriners Hospital for Children-Canada, Montreal, Quebec, Canada.

Previously we have shown that young mice with a dominant severe form of osteogenesis imperfecta (OI), caused by mutated collagen type I, exhibit an altered glucose/insulin metabolism and energy expenditure along with elevated levels of osteocalcin, a bone-derived hormone involved in the regulation of whole-body metabolism. This study aimed to examine the long-term effects of a western diet in these OI mice. Male and female OI mice and wild type littermates (WT) were fed a high-fat diet (HFD) or a matched low-fat diet (LFD) for 26 weeks. Read More

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Genetically increasing flux through β-oxidation in skeletal muscle increases mitochondrial reductive stress and glucose intolerance.

Am J Physiol Endocrinol Metab 2021 Apr 5. Epub 2021 Apr 5.

East Carolina Diabetes & Obesity Institute, East Carolina University, United States.

Elevated mitochondrial HO emission and an oxidative shift in cytosolic redox environment have been linked to high fat diet-induced insulin resistance in skeletal muscle. To test specifically whether increased flux through mitochondrial fatty acid oxidation, in the absence of elevated energy demand, directly alters mitochondrial function and redox state in muscle, two genetic models characterized by increased muscle β-oxidation flux were studied. In mice overexpressing peroxisome proliferator activated receptor-α in muscle (MCK-PPARα), lipid supported mitochondrial respiration, membrane potential (ΔΨ) and HO production rate (JHO) were increased, which coincided with a more oxidized cytosolic redox environment, reduced muscle glucose uptake, and whole-body glucose intolerance despite an increased rate of energy expenditure. Read More

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Fortifying Butterfat with Soybean Oil Attenuates the Onset of Diet-Induced Non-Alcoholic Steatohepatitis and Glucose Intolerance.

Nutrients 2021 Mar 16;13(3). Epub 2021 Mar 16.

Department of Nutritional Sciences, R.F. Molecular Nutritional Science, University of Vienna, Althanstraße 14/UZAII, A-1090 Vienna, Austria.

The addition of plant oils such as soybean oil (S) to a diet rich in saturated fatty acids is discussed as a possible route to prevent or diminish the development of metabolic disease. Here, we assessed whether a butterfat-rich diet fortified with S affects the development of early non-alcoholic steatohepatitis (NASH) and glucose intolerance. Female C57BL/6J mice were fed a standard-control diet (C); a fat-, fructose-, and cholesterol-rich diet (FFC, 25E% butterfat, 50% (wt. Read More

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Doxepin Exacerbates Renal Damage, Glucose Intolerance, Nonalcoholic Fatty Liver Disease, and Urinary Chromium Loss in Obese Mice.

Pharmaceuticals (Basel) 2021 Mar 16;14(3). Epub 2021 Mar 16.

Division of Endocrinology and Metabolism, Show Chwan Memorial Hospital, 542 Chung-Shan Road (Section 1), Changhua 50008, Taiwan.

Doxepin is commonly prescribed for depression and anxiety treatment. Doxepin-related disruptions to metabolism and renal/hepatic adverse effects remain unclear; thus, the underlying mechanism of action warrants further research. Here, we investigated how doxepin affects lipid change, glucose homeostasis, chromium (Cr) distribution, renal impairment, liver damage, and fatty liver scores in C57BL6/J mice subjected to a high-fat diet and 5 mg/kg/day doxepin treatment for eight weeks. Read More

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Gut Microbiome Prolongs an Inhibitory Effect of Korean Red Ginseng on High-Fat-Diet-Induced Mouse Obesity.

Nutrients 2021 Mar 12;13(3). Epub 2021 Mar 12.

Department of Biotechnology, Korea National University of Transportation, 61 Daehak-ro, Jeungpyeong, Chungbuk 27909, Korea.

Although the anti-obesity effect of Korean red ginseng ( Meyer) has been revealed, its underlying mechanisms are not clearly understood. Here, we demonstrate an involvement of gut microbiome in the inhibitory effect of Korean red ginseng on high-fat-diet (HFD)-induced mouse obesity, and further provides information on the effects of saponin-containing red ginseng extract (SGE) and saponin-depleted red ginseng extract (GE). Mice were fed with either SGE or GE every third day for one month, and their food intakes, fat weights, plasma glucose, and insulin and leptin levels were measured. Read More

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Effects of Edible Insect Larva Fermentation Extract as a Substitute Protein on Hepatosteatogenesis and Proteomic Changes in Obese Mice Induced by High-Fat Diet.

Int J Mol Sci 2021 Mar 31;22(7). Epub 2021 Mar 31.

Department of Food and Nutrition, Sunchon National University, Suncheon 57922, Korea.

Mealworms ( larva) are an edible insect and a protein-rich food; however, research on mealworms as a substitute protein is insufficient. In this study, mealworm fermentation extract (TMP) was assessed as a replacement for soy protein (SP) in a control diet (CON) or a high-fat diet (HFD) of mice for 12 weeks. TMP substitution reduced body weight, body weight gain, body fat mass (perirenal and mesenteric), fat size, glucose intolerance, and insulin resistance compared to the HFD-SP group. Read More

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Redox Homeostasis in Pancreatic β-Cells: From Development to Failure.

Antioxidants (Basel) 2021 Mar 27;10(4). Epub 2021 Mar 27.

Department of Mitochondrial Physiology, Institute of Physiology, Czech Academy of Sciences, 142 20 Prague 4, Czech Republic.

Redox status is a key determinant in the fate of β-cell. These cells are not primarily detoxifying and thus do not possess extensive antioxidant defense machinery. However, they show a wide range of redox regulating proteins, such as peroxiredoxins, thioredoxins or thioredoxin reductases, etc. Read More

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Combination of human tau and islet amyloid polypeptide exacerbates metabolic dysfunction in transgenic mice.

J Pathol 2021 Apr 2. Epub 2021 Apr 2.

Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, Ontario, Canada.

Amyloid plaques and neurofibrillary tangles composed of hyperphosphorylated tau are important contributors to Alzheimer's disease (AD). Tau also impacts pancreatic beta cell function and glucose homeostasis. Amyloid deposits composed of islet amyloid polypeptide (IAPP) are a pathological feature of type 2 diabetes (T2D). Read More

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Maternal High Fat Diet Consumption Exaggerates Metabolic Disorders in Mice With Cigarette-Smoking Induced Intrauterine Undernutrition.

Front Nutr 2021 16;8:638576. Epub 2021 Mar 16.

Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China.

Maternal smoking causes fetal underdevelopment and results in births which are small for gestation age due to intrauterine undernutrition, leading to various metabolic disorders in adulthood. Furthermore, postnatal high fat diet (HFD) consumption is also a potent obesogenic factor, which can interact with maternal smoking. In this study, we aimed to determine whether maternal HFD consumption during pregnancy can reverse the adverse impact of maternal smoking and change the response to postnatal HFD consumption. Read More

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Swertiamarin supplementation prevents obesity-related chronic inflammation and insulin resistance in mice fed a high-fat diet.

Adipocyte 2021 Dec;10(1):160-173

School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou Zhejiang, China.

Obesity is characterized by low-grade chronic inflammation, which underlies insulin resistance and non-alcoholic fatty liver disease (NAFLD). Swertiamarin is a secoiridoid glycoside that has been reported to ameliorate diabetes and NAFLD in animal models. However, the effects of swertiamarin on obesity-related inflammation and insulin resistance have not been fully elucidated. Read More

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December 2021

[Effect of acupuncture on vascular endothelial function in patients of polycystic ovary syndrome with different glucose tolerance status].

Zhongguo Zhen Jiu 2021 Feb;41(2):155-60

Department of TCM, Fujian Maternal and Child Health Hospital Affiliated to Fujian Medical University, Fuzhou 350001, China.

Objective: To observe the effect of acupuncture on vascular endothelial function in patients of polycystic ovary syndrome (PCOS) with impaired glucose tolerance (IGT) and normal glucose tolerance (NGT).

Methods: A total of 140 patients with PCOS were divided into an IGT group (70 cases, 11 dropped off) and a NGT group (70 cases, 9 cases dropped off). The patients in the two groups were treated with full-cycle acupuncture at Zhongwan (CV 12), Guanyuan (CV 4), Qihai (CV 6), Tianshu (ST 25), etc. Read More

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February 2021

Ketogenic Diets Induced Glucose Intolerance and Lipid Accumulation in Mice with Alterations in Gut Microbiota and Metabolites.

mBio 2021 03 30;12(2). Epub 2021 Mar 30.

State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China

The ketogenic diet (KD), which can induce changes in gut microbiota, has shown benefits for epilepsy and several neurodegenerative diseases. However, the effects of a KD on glucose and lipid metabolism remain inconclusive. Using two formulas of ketogenic diets (KDR with 89. Read More

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Carbonyl reductase 1 amplifies glucocorticoid action in adipose tissue and impairs glucose tolerance in lean mice.

Mol Metab 2021 Mar 27:101225. Epub 2021 Mar 27.

British Heart Foundation Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom; Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, United Kingdom. Electronic address:

Objective: Carbonyl reductase 1 (Cbr1), a recently discovered contributor to tissue glucocorticoid metabolism converting corticosterone to 20β-dihydrocorticosterone (20β-DHB), is upregulated in adipose tissue of obese humans and mice and may contribute to the cardiometabolic complications of obesity. This study tested the hypothesis that Cbr1-mediated glucocorticoid metabolism influences glucocorticoid and mineralocorticoid receptor activation in adipose tissue, and impacts glucose homeostasis in the lean and obese state.

Methods: The actions of 20β-DHB on corticosteroid receptors in adipose tissue were investigated first using a combination of in silico, in vitro and transcriptomic techniques and then in vivo administration in combination with receptor antagonists. Read More

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Cardiac Function is Preserved in Adolescents With Well-Controlled Type 1 Diabetes and a Normal Physical Fitness: A Cross-sectional Study.

Can J Diabetes 2021 Jan 23. Epub 2021 Jan 23.

Faculty of Rehabilitation Sciences, Rehabilitation Research Centre, Hasselt University, Diepenbeek, Belgium; Faculty of Medicine and Life Sciences, Biomedical Research Centre, Hasselt University, Diepenbeek, Belgium; Jessa Hospital, Heart Centre Hasselt, Hasselt, Belgium.

Objectives: Cardiovascular diseases and exercise intolerance elevate mortality in type 1 diabetes (T1D). Left ventricular systolic and diastolic function are already affected in T1DM adolescents, displaying poor glycemic control (glycated hemoglobin [A1C]>7.5%) and exercise intolerance. Read More

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January 2021

Soft drinks and sweeteners intake: Possible contribution to the development of metabolic syndrome and cardiovascular diseases. Beneficial or detrimental action of alternative sweeteners?

Food Res Int 2021 Apr 18;142:110220. Epub 2021 Feb 18.

Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "L. Vanvitelli", Naples, Italy; IRCCS SDN, Naples, Italy; Clinical Department of Internal Medicine and Specialistic Units, Division of Clinical Immunology and Immunohematology, Transfusion Medicine, and Transplant Immunology [SIMT], Regional Reference Laboratory of Transplant Immunology [LIT], Azienda Universitaria Policlinico (AOU), Naples, Italy.

The rapid increase in obesity, metabolic syndrome, and cardiovascular diseases (CVDs) has been related to the rise in sugar-added foods and sweetened beverages consumption. An interesting approach has been to replace sugar with alternative sweeteners (AS), due to their impact on public health. Preclinical and clinical studies, which analyze the safety of AS intake, are still limited. Read More

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Synthesis, biological evaluation, and molecular docking study of some new rohitukine analogs as protein tyrosine phosphatase 1B inhibitors.

Bioorg Chem 2021 Mar 15;110:104829. Epub 2021 Mar 15.

Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Jankipuram, Extention Sector 10, Sitapur Road, Lucknow 226031, UP, India. Electronic address:

Rohitukine (RH) was extracted from the stem bark of Dysoxylum binectariferum Hook. It was derivatized to different arylsulphanmides by treating with the corresponding aryl sulphonyl chlorides. These derivatives were tested in-vitro on protein tyrosine phosphatase 1B (PTP1B) inhibition. Read More

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A selanylimidazopyridine (3-SePh-IP) reverses the prodepressant- and anxiogenic-like effects of a high-fat/high-fructose diet in mice.

J Pharm Pharmacol 2021 Mar;73(5):673-681

Departamento de Ciências Fisiológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.

Objective: While chronic feeding with high-fat or high-sugar diets is known related to obesity and type 2 diabetes, later data have indicated that it is also related to depression and anxiety appearance. In this regard, multi-target drugs raise considerable interest as promising therapeutic solutions to complex diseases. Considering the pharmacological effects of the imidazopyridine-derivative moiety imidazo[1,2-a]pyridine and the organoselenium molecules, the combination of both could be a feasible strategy to develop efficient drugs to handle obesity and related comorbidities, for example dyslipidemia and mood disorders. Read More

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