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Intertwin differences in umbilical artery pulsatility index are associated with infant survival in twin-to-twin transfusion syndrome.

J Perinat Med 2021 Jun 14. Epub 2021 Jun 14.

Department of Obstetrics, Gynecology & Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD, USA.

Objectives: To evaluate the association of intertwin differences in umbilical artery pulsatility index (DUAPI) and infant survival in twin-to-twin transfusion syndrome (TTTS).

Methods: Absolute DUAPI was calculated prior to laser surgery. Receiver-operating characteristics (ROC) curve analysis provided an intertwin DUAPI cutoff of 0. Read More

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Increased lipocalin 2 levels in adolescents with type 2 diabetes mellitus.

J Pediatr Endocrinol Metab 2021 Jun 14. Epub 2021 Jun 14.

Department of Pediatrics, Kansai Medical University, Hirakata, Osaka, Japan.

Objectives: Bone can act as an endocrine organ through the secretion of bone-specific hormones, i.e., osteokines. Read More

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Urinary bisphenol A in women with polycystic ovary syndrome - a possible suppressive effect on steroidogenesis?

Horm Mol Biol Clin Investig 2021 Jun 14. Epub 2021 Jun 14.

First Department of Internal Medicine, Medical Faculty, P.J. Šafárik University, Košice, Slovakia.

Objectives: There is a growing evidence indicating an impact of endocrine distrupting chemicals such as bisphenol A (BPA) on human reproduction. Its higher levels in serum or urine have been documented in women with polycystic ovary syndrome (PCOS), however the relationship to ovarian steroidogenesis remains unclear. of the study was to compare urinary BPA (U-BPA) concentrations among PCOS women and control group. Read More

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Selenium respiration in anaerobic bacteria: Does energy generation pay off?

J Inorg Biochem 2021 Jun 5;222:111509. Epub 2021 Jun 5.

Department of Biology, University of New Mexico, MSCO3 2020, Albuquerque, NM 87131, USA.

Selenium (Se) respiration in bacteria was revealed for the first time at the end of 1980s. Although thermodynamically-favorable, energy-dense and documented in phylogenetically-diverse bacteria, this metabolic process appears to be accompanied by a number of challenges and numerous unanswered questions. Selenium oxyanions, SeO and SeO, are reduced to elemental Se (Se) through anaerobic respiration, the end product being solid and displaying a considerable size (up to 500 nm) at the bacterial scale. Read More

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Sequence dependence of Pd(II)-mediated base pairing by palladacyclic nucleobase surrogates.

J Inorg Biochem 2021 Jun 2;222:111506. Epub 2021 Jun 2.

Department of Chemistry, University of Turku, Vatselankatu 2, 20014 Turku, Finland. Electronic address:

A C-nucleoside derivative of phenylpyridine or the respective palladacycle was incorporated at either 3'- or 5'-terminus of a short oligodeoxynucleotide. Hybridization properties of these modified oligonucleotides were studied in a fluorescence-based competition assay in addition to conventional UV melting temperature analysis and compared with those of a previously prepared analogue featuring the modified nucleoside in the middle of the sequence. With the unpalladated phenylpyridine oligonucleotides, UV melting temperature qualitatively correlated with the ability to displace a strand from a double helix in the competition assay, decreasing in the order 5' > 3' > middle. Read More

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Deep sequence modelling for Alzheimer's disease detection using MRI.

Comput Biol Med 2021 Jun 1;134:104537. Epub 2021 Jun 1.

School of Electrical Engineering and Computing, The University of Newcastle, NSW 2308, Australia.

Background: Alzheimer's disease (AD) is one of the deadliest diseases in developed countries. Treatments following early AD detection can significantly delay institutionalisation and extend patients' independence. There has been a growing focus on early AD detection using artificial intelligence. Read More

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A computational pipeline for data augmentation towards the improvement of disease classification and risk stratification models: A case study in two clinical domains.

Comput Biol Med 2021 Jun 6;134:104520. Epub 2021 Jun 6.

Unit of Medical Technology and Intelligent Information Systems, Department of Materials Science and Engineering, University of Ioannina, Ioannina, GR45110, Greece; Department of Biomedical Research, FORTH-IMBB, Ioannina, GR45110, Greece. Electronic address:

Virtual population generation is an emerging field in data science with numerous applications in healthcare towards the augmentation of clinical research databases with significant lack of population size. However, the impact of data augmentation on the development of AI (artificial intelligence) models to address clinical unmet needs has not yet been investigated. In this work, we assess whether the aggregation of real with virtual patient data can improve the performance of the existing risk stratification and disease classification models in two rare clinical domains, namely the primary Sjögren's Syndrome (pSS) and the hypertrophic cardiomyopathy (HCM), for the first time in the literature. Read More

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Sampling rate influences the regularity analysis of temporal domain measures of walking more than spatial domain measures.

Gait Posture 2021 Jun 4;88:216-220. Epub 2021 Jun 4.

Center for Research in Human Movement Variability, Department of Biomechanics, University of Nebraska at Omaha, 6160 University Drive, Omaha, NE, 68182-0860, United States; VA Nebraska-Western Iowa Health Care System, VA Research Service, 4104 Woolworth Avenue (112), Omaha, NE, 68105, United States; Department of Health and Kinesiology, Texas A&M University, 2929 Research Parkway, College Station, TX, 77843, United States. Electronic address:

Background: The spatiotemporal dynamics of stepping can provide useful information about walking performance. Most often, the identification of gait motion is performed using 3-D cinematography. The sampling rate of motion capture systems may influence the accuracy of these measures albeit in varying degrees for measures within the spatial versus temporal domain. Read More

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Collision avoidance behaviours between older adult and young adult walkers.

Gait Posture 2021 Jun 9;88:210-215. Epub 2021 Jun 9.

Univ Rennes, Inria, CNRS, IRISA, M2S, France.

Background: Collision avoidance between two walkers requires a mutual adaptation based on visual information in order to be successful. Age-related changes to visuomotor processing, kinesthetic input, and intersegmental dynamics increases the risk of collision and falls in older adults. However, few studies examine behavioural strategies in older adults during collision avoidance tasks with another pedestrian. Read More

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Gait kinematic alterations in subjects with adult spinal deformity and their radiological determinants.

Gait Posture 2021 Jun 4;88:203-209. Epub 2021 Jun 4.

Faculty of Medicine, University of Saint-Joseph in Beirut, Lebanon; Institut de Biomécanique Humaine Georges Charpak, Arts et Métiers ParisTech, Paris, France. Electronic address:

Background: Adults with spinal deformity (ASD) are known to have postural malalignment affecting their quality of life. Classical evaluation and follow-up are usually based on full-body static radiographs and health related quality of life questionnaires. Despite being an essential daily life activity, formal gait assessment lacks in clinical practice. Read More

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Co-production of functional xylo-oligosaccharides and fermentable sugars from corn stover through fast and facile ball mill-assisted alkaline peroxide pretreatment.

Bioresour Technol 2021 May 24;337:125327. Epub 2021 May 24.

State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China. Electronic address:

The aim of this work was to develop a feasible ball mill-assisted alkaline peroxide pretreatment followed by stepwise hydrolysis to improve the yield of xylo-oligosaccharides (XOS) and fermentable sugars. The hydrogen peroxide charge, ball-milling time, and solid-to-liquid ratio affected the compositions, particle sizes, morphology, and crystallinity of the corn stover, directly improving the following hydrolytic efficiency. The optimal pretreatment was with 0. Read More

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Epidemiological feature, viral shedding, and antibody seroconversion among asymptomatic SARS-CoV-2 carriers and symptomatic/presymptomatic COVID-19 patients.

J Infect Public Health 2021 May 27;14(7):845-851. Epub 2021 May 27.

Department of Epidemiology, Second Military Medical University, Shanghai 200433, China. Electronic address:

Background: Novel coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is pandemic. However, data concerning the epidemiological features, viral shedding, and antibody dynamics between asymptomatic SARS-CoV-2 carriers and COVID-19 patients remain controversial.

Methods: We enrolled 193 SARS-CoV-2 infected subjects in Ningbo and Zhoushan, Zhejiang, China, from January 21 to March 6, 2020. Read More

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COVID-19 prevalence forecasting using Autoregressive Integrated Moving Average (ARIMA) and Artificial Neural Networks (ANN): Case of Turkey.

J Infect Public Health 2021 May 5;14(7):811-816. Epub 2021 May 5.

Erciyes University, Engineering Faculty, Industrial Engineering Department, Kayseri, Turkey. Electronic address:

A local outbreak of unknown pneumonia was detected in Wuhan (Hubei, China) in December 2019. It is determined to be caused by a severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) and called COVID-19 by scientists. The outbreak has since spread all over the world with a total of 120,815,512 cases and 2,673,308 deaths as of 16 March 2021. Read More

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Establishing paediatric diagnostic reference levels using reference curves - A feasibility study including conventional and CT examinations.

Phys Med 2021 Jun 9;87:65-72. Epub 2021 Jun 9.

Department of Radiation Protection and Measurement Services, Norwegian Radiation and Nuclear Safety Authority, Bærum, Norway; Department of Health Sciences, Norwegian University of Science and Technology, Gjøvik, Norway.

Purpose: To derive Regional Diagnostic Reference Levels (RDRL) for paediatric conventional and CT examinations using weight-based DRL curves and compare the outcome with DRL derived using the weight groups.

Methods: Data from 1722 examinations performed at 29 hospitals in four countries were included. DRL was derived for four conventional x-ray (chest, abdomen, pelvis, hips/joints) and two types of CT examinations (thorax, abdomen). Read More

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Just "one of so many"? The pathologist Theodor Fahr (1877-1945) and his ambivalent relationship to National Socialism.

Pathol Res Pract 2021 May 23;224:153488. Epub 2021 May 23.

Institute for History, Theory and Ethics in Medicine, Medical Faculty, RWTH Aachen University, Wendlingweg 2, Aachen, D-52074, Germany. Electronic address:

Theodor Fahr is well known as a pioneer in renal pathology and the eponym of "Fahr's disease". While his professional merits are undisputed, his relationship to National Socialism remains unclear. On the one hand, he signed the public "oath of allegiance" of German professors to Adolf Hitler, on the other hand, he appeared as a mentor to his Jewish colleague Paul Kimmelstiel. Read More

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Design, synthesis, and biological evaluation of novel sulindac derivatives as partial agonists of PPARγ with potential anti-diabetic efficacy.

Eur J Med Chem 2021 May 24;222:113542. Epub 2021 May 24.

School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen, Fujian, 361102, China; High Throughput Drug Screening Platform, Xiamen University, Xiamen, Fujian, 361102, China. Electronic address:

Peroxisome proliferator-activated receptor gamma (PPARγ) is a valuable drug target for diabetic treatment and ligands of PPARγ have shown potent anti-diabetic efficacy. However, to overcome the severe side effects of current PPARγ-targeted drugs, novel PPARγ ligands need to be developed. Sulindac, an identified ligand of PPARγ, is widely used in clinic as a non-steroidal anti-inflammatory drug. Read More

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Discovery and preliminary mechanism of 1-carbamoyl β-carbolines as new antifungal candidates.

Eur J Med Chem 2021 Jun 2;222:113563. Epub 2021 Jun 2.

Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, 210095, China. Electronic address:

Natural β-carboline alkaloids are ideal models for the discovery of pharmaceutically important entities. Various 1-substituted β-carbolines were synthesized from commercially inexpensive tryptophan and demonstrated significant in vitro antifungal activity against G. graminis. Read More

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Reductions in tobacco use in naltrexone, relative to buprenorphine-maintained individuals with opioid use disorder: Secondary analysis from the National Drug Abuse Treatment Clinical Trials Network.

J Subst Abuse Treat 2021 May 21;130:108489. Epub 2021 May 21.

Department of Psychiatry, NYU Grossman School of Medicine, One Park Avenue, New York, NY 10016, USA.

Background: Smoking prevalence in individuals with opioid use disorder (OUD) is over 80%. Research suggests that opioid use significantly increases smoking, which could account for the strikingly low smoking-cessation rates observed in both methadone- and buprenorphine-maintained patients, even with the use of first-line smoking-cessation interventions. If opioids present a barrier to smoking-cessation, then better smoking outcomes should be observed in OUD patients treated with extended-release naltrexone (XR-NTX, an opioid antagonist) compared to those receiving buprenorphine (BUP-NX, a partial opioid agonist). Read More

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An evaluation of StaySafe, a tablet app to improve health risk decision-making among people under community supervision.

J Subst Abuse Treat 2021 May 14;130:108480. Epub 2021 May 14.

Texas Christian University, Institute of Behavioral Research, TCU Box 298740, Fort Worth, TX 76129, USA. Electronic address:

Background: A self-administered tablet app, StaySafe, helps people under community supervision to make better decisions regarding health risk behaviors, especially those linked to HIV, viral hepatitis, and other sexually transmitted infections. The multi-session StaySafe design uses an interactive, analytical schema called WORKIT that guides users through a series of steps, questions, and exercises aimed at promoting critical thinking about health risks associated with substance use and unprotected sex. Repetition of the WORKIT schema is designed to enhance procedural memory that can be rapidly accessed when individuals are faced with making decisions about risky behaviors. Read More

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Examining factors that shape use and access to diverted prescription opioids during an overdose crisis: A qualitative study in Vancouver, Canada.

J Subst Abuse Treat 2021 Apr 20;130:108418. Epub 2021 Apr 20.

Department of Medicine, University of British Columbia, St. Paul's Hospital, 608-1081 Burrard Street, Vancouver V6Z 1Y6, BC, Canada; British Columbia Centre on Substance Use, 400-1045 Howe Street, Vancouver V6Z 2A9, BC, Canada.

Objective: Prescription opioid (PO) diversion is widely regarded as a driver of overdose mortality. However, less is known about the rationale for using diverted POs during an overdose epidemic and how contextual factors (e.g. Read More

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The cascade of care for opioid use disorder among youth in British Columbia, 2018.

J Subst Abuse Treat 2021 Apr 18;130:108404. Epub 2021 Apr 18.

Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada; BC Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada. Electronic address:

Background: Medication for opioid use disorder (MOUD) is associated with substantial reductions in the risk of mortality, and American and Canadian guidelines recommend it as part of the full range of available treatments for youth with opioid use disorder (OUD). We estimated the OUD cascade of care for all adolescents (ages 12-18) and young adults (19-24) with OUD in British Columbia, Canada (BC) in 2018.

Methods: Using a provincial-level linkage of six health administrative databases, we classified youth with OUD as adolescents (ages 12-18) or young adults (19-24) to compare with older adults (≥25) and described key factors known to influence engagement in health care. Read More

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Precision dosing of methadone during pregnancy: A pharmacokinetics virtual clinical trials study.

J Subst Abuse Treat 2021 Jun 3;130:108521. Epub 2021 Jun 3.

Humankind Charity, Inspiration House, Unit 22, Bowburn North Industrial Estate, Durham DH6 5PF, United Kingdom.

Background: Methadone use for the management of opioid dependency during pregnancy is commonplace. Methadone levels are altered during pregnancy due to changes in maternal physiology. Despite this, a paucity of data exist regarding the most appropriate optimal dosing regimens during pregnancy. Read More

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High throughput proteomic and metabolic profiling identified target correction of metabolic abnormalities as a novel therapeutic approach in head and neck paraganglioma.

Transl Oncol 2021 Jun 9;14(8):101146. Epub 2021 Jun 9.

Department of Otolaryngology Head & Neck Surgery, The Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, No. 639, Zhi-Zao-Ju Road, Shanghai 200011, China; Ear Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China. Electronic address:

Head and neck paragangliomas (HNPGLs) are rare neoplasms that represent difficult treatment paradigms in neurotology. Germline mutations in genes encoding succinate dehydrogenase (SDH) are the cause of nearly all familial HNPGLs. However, the molecular mechanisms underlying tumorigenesis remain unclear. Read More

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Eating-related pathology at the intersection of gender identity and expression, sexual orientation, and weight status: An intersectional Multilevel Analysis of Individual Heterogeneity and Discriminatory Accuracy (MAIHDA) of the Growing Up Today Study cohorts.

Soc Sci Med 2021 May 31;281:114092. Epub 2021 May 31.

Department of Quantitative Health Sciences, University of Massachusetts Medical School, 55 Lake Ave North, Worcester, MA, 01655, USA. Electronic address:

The objective of this study was to investigate how gender identity, the overwhelmingly prioritized dimension of social identity/position in eating-related pathology research, intersects with gender expression, sexual orientation, and weight status to structure the social patterning of eating disorders and disordered eating behaviors among young people in the U.S. Data were drawn from the 2010/2011 Growing Up Today Study (GUTS; N = 11,090-13,307). Read More

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In vitro tetraploidy induction creates enhancements in morphological, physiological and phytochemical characteristics in the fig tree (Ficus Carica L.).

Plant Physiol Biochem 2021 Jun 1;166:191-202. Epub 2021 Jun 1.

Department of Horticultural Science, College of Agriculture, Shiraz University, Shiraz, P.O. Box 65186-71441, Iran. Electronic address:

Fig tree (Ficus carica L.) is a precious fruit tree in semi-arid and arid areas worldwide which has difficulties in its conventional breeding programs. This study was carried out to make new genotypes with superior features based on the ploidy induction method. Read More

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Multi-product strategy to enhance the environmental profile of the canning industry towards circular economy.

Sci Total Environ 2021 Jun 5;791:148249. Epub 2021 Jun 5.

CRETUS, Department of Chemical Engineering, Universidade de Santiago de Compostela, 15705 Santiago de Compostela, Spain.

The sustainable and continued production of enough food to feed the entire world's population is one of the main concerns in the food industry. Spain, and in particular Galicia, which is an eminently fishing region characterised by the consumption of large quantities of fish, both fresh and processed, must face the challenge of shifting its seafood productive fabric towards a circular economy. To achieve this objective, the first task is to demonstrate that circular economy principles allow to reduce the environmental impacts associated with seafood production. Read More

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Soil applied Ca, Mg and B altered phyllosphere and rhizosphere bacterial microbiome and reduced Huanglongbing incidence in Gannan Navel Orange.

Sci Total Environ 2021 May 26;791:148046. Epub 2021 May 26.

College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Hubei Provincial Engineering Laboratory for New-Type Fertilizer, Wuhan 430070, China; Research Center of Trace Elements, Wuhan 430070, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China. Electronic address:

Huanglongbing (HLB) caused by 'Ca. Liberibacter. Asiaticus (Clas)' is one of the destructive diseases for citrus, threatening the development of citrus industry. Read More

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Variation in the content and fluorescent composition of dissolved organic matter in soil water during rainfall-induced wetting and extract of dried soil.

Sci Total Environ 2021 Jun 9;791:148296. Epub 2021 Jun 9.

College of Natural Resources and Environment, Northwest A & F University, Yangling 712100, PR China. Electronic address:

Dissolved organic matter (DOM) is present in all soils, providing a readily available carbon source for microorganisms, which influences microbially mediated biogeochemical processes. Rainfall-induced wetting can alter the content and composition of soil DOM. However, conventional methods commonly used to extract DOM from soils involve air- or oven-drying followed by extraction with water, and the results vary considerably in terms of indexes used. Read More

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Metagenomic insights into the effect of thermal hydrolysis pre-treatment on microbial community of an anaerobic digestion system.

Sci Total Environ 2021 Jun 1;791:148096. Epub 2021 Jun 1.

Advanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore. Electronic address:

Thermal hydrolysis process (THP) is an effective pre-treatment method to reduce solids volume and improve biogas production during anaerobic digestion (AD) via increasing the biodegradability of waste activated sludge (WAS). However, the effects of THP pre-treated sludge on microbial diversity, interspecies interactions, and metabolism in AD systems remain largely unknown. We therefore setup and operated an anaerobic digester during a long-term period to shed light on the effect of THP pre-treatment on AD microbial ecology in comparison to conventional AD via Illumina based 16S rRNA gene amplicon sequencing and genome-centric metagenomics analysis. Read More

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Improved agricultural Water management in data-scarce semi-arid watersheds: Value of integrating remotely sensed leaf area index in hydrological modeling.

Sci Total Environ 2021 Jun 1;791:148177. Epub 2021 Jun 1.

University of Maryland, College Park, USA. Electronic address:

In watersheds located in semi-arid regions, vegetation dynamics, evapotranspiration (ET), and associated water and energy balances collectively play a major role in controlling hydrological regimes and crop yield. As such, it is challenging to predict the complex hydrological processes and biophysical dynamics. This challenge increases in areas with limited data availability. Read More

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