1,066 results match your criteria: "Institute OB Human Behaviour & Allied Sciences IHBAS[Affiliation]"

Overweight/obesity (OW/OB) has been associated with gut dysbiosis, changes in gastrointestinal motility and sedentary behavior, contributing to metabolic and inflammatory alterations. This systematic review aims to assess the evidence supporting the influence of physical activity and exercise on gut microbiota composition and diversity in OW/OB and was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, using MEDLINE, EMBASE, EBSCO, and Scopus databases. Risk of bias was assessed with RoB 2 for randomized controlled trials (RCTs), ROBINS-I for non-RCT, and JBI Critical Appraisal tool for cross-sectional studies.

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Food choices, microstructure of ingestive behavior and sensory perceptions after bariatric surgery in women: A cross-sectional study.

Appetite

February 2025

Lyfe Institute Research Center, Ecully, France; Centre de Recherche en Nutrition Humaine Rhône-Alpes, CarMeN lab, Univ-Lyon, INSERM, INRAe, Claude Bernard Lyon1 University, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, Pierre Bénite, France. Electronic address:

Unlabelled: Results regarding the impact of bariatric surgery (BS) on food choices are inconsistent between studies based on self-reported questionnaires, and those using direct measurements. Moreover, the determinants of the modifications of food choices after BS, if any, are still poorly understood. This study compared food choices, food liking, microstructure of ingestive behavior and sensory perceptions between women who had BS in the last 18 months (BS group, n = 19; Roux-en-Y gastric bypass or sleeve gastrectomy) and women with BMI ≥35 kg m (OB group, n = 17) in ecological conditions and explored the associations of food choices with sensory perceptions and food liking.

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Cortical Tau Aggregation Patterns Associated With Apraxia in Patients With Alzheimer Disease.

Neurology

December 2024

From the Multimodal Neuroimaging Group, Department of Nuclear Medicine (G.N.B., E.J., K.G., A.D.), Department of Psychiatry (F.J.), Department of Neurology (O.A.O., E.K., P.H.W.), Medical Faculty and University Hospital of Cologne, University of Cologne; Molecular Organization of the Brain (G.N.B.,

Article Synopsis
  • This study investigated the relationship between tau pathology in specific brain regions and apraxia symptoms in Alzheimer's disease (AD) patients, using PET imaging to assess tau deposition.
  • Researchers hypothesized that certain areas with tau buildup would correlate with the severity of apraxia, a common cognitive dysfunction in AD.
  • Findings revealed significant correlations between tau aggregation in specific praxis-related brain regions and apraxia severity, while no connections were found in primary motor cortex or subcortical regions.
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Aim: The EarLy Surveillance for Autoimmune (ELSA) study aims to explore the feasibility and acceptability of UK paediatric general population screening for type 1 diabetes.

Methods: We aim to screen 20,000 children aged 3-13 years for islet-specific autoantibodies through dried blood spot sample collection at home, hospital or community settings. Children with two or more autoantibodies are offered metabolic staging via oral glucose challenge testing.

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The relation between neural activity and behaviorally relevant variables is at the heart of neuroscience research. When strong, this relation is termed a neural representation. There is increasing evidence, however, for partial dissociations between activity in an area and relevant external variables.

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Background: This study aims to investigate the potential modifying effects of lifestyle behavior on the association between drinking water micronutrients and body mass index (BMI) in a large population of children and adolescents.

Methods: Data of the present analysis came from a comprehensive regional large-scale surveillance study in 2022, involving 172,880 children and adolescents (50.71% boys vs.

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Provision of medication and procedural abortion among Massachusetts obstetrician-gynecologists.

Contraception

March 2025

Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Harvard T.H. Chan School of Public Health, Boston, MA, USA; ASPIRE Center for Sexual and Reproductive Health, Planned Parenthood League of Massachus

Objectives: The aim of the study was to understand the rates of first-trimester medication and procedural abortion provision, sufficiency in abortion training, and factors associated with abortion provision among obstetrician-gynecologists (OB/GYNs) in Massachusetts.

Study Design: Electronically fielded surveys of a census of OB/GYNs in Massachusetts in 2021 queried physicians on abortion provision, training, practice type, and demographics. Using weighting to account for nonresponse, we generated estimates of the proportion of OB/GYNS providing abortion and used multivariate regression analysis to explore factors associated with abortion provision including practice type, physician sex, and sufficient abortion training.

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Increased susceptibility to diet-induced obesity in female mice impairs ovarian steroidogenesis: The role of elevated leptin signalling on nodal activity inhibition in theca cells.

Mol Metab

January 2025

Institute of Animal Reproduction and Food Research of PAS, Department of Reproductive Immunology and Pathology, Olsztyn, Poland; The Royal Veterinary College, University of London, London, NW1 0TU, UK. Electronic address:

Objectives: Susceptibility to obesity in humans is driven by the intricate interplay of genetic, environmental and behavioural factors. Moreover, the mechanisms linking maternal obesity to infertility remain largely understudied. In this study, we investigated how variable susceptibility to obesity in mice affects ovarian steroidogenesis, with a particular focus on the leptin-mediated dysregulation of Nodal signalling pathway in theca cells (TC).

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Background: The US faces a maternal health crisis and struggles to deliver recommended postpartum care. In some populations, less than half of mothers attend a postpartum visit.

Objective: To determine if a two-generation (Two-Gen) model of interdisciplinary, postpartum primary care was associated with increased visit attendance for postpartum care, primary care, and behavioral health.

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Article Synopsis
  • The study investigated the CTBP2 gene and its relation to anorexia nervosa (AN) and body mass index (BMI) through mutation analysis, revealing 24 variants in the RIBEYE exon among various groups including patients with AN, obese children, and healthy individuals.
  • Three rare non-synonymous variants were found in AN patients, while several variants were unique to children with severe obesity, indicating potential genetic links to these conditions.
  • Functional studies showed that RIBEYE mRNA is expressed in the mouse hypothalamus and is influenced by leptin treatment, suggesting that the RIBEYE gene may play a role in body weight regulation.
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Background: Fasting glucose is higher in pregnancies with obesity (OB); less is known about postprandial (PP) and nocturnal patterns when the diet is eucaloric and fixed or about the continuous-glucose-monitor (CGM) metrics that predict neonatal adiposity (NB%fat). We hypothesized that continuous glucose monitors (CGMs) would reveal higher glycemia in OB vs. normal weight (NW) during (14-16 weeks) and (26-28 weeks) gestation despite macronutrient-controlled eucaloric diets and elucidate unique predictors of NB%fat.

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Although various walking training robots have been developed and their effectiveness has been recognised, operating these robots requires the implementation of safety measures to avoid the risk of falling. This study aimed to confirm whether arm swing rhythm training in the sitting position using an arm swing rhythm-assisted robot, WMR, improved subsequent walking. Healthy older adults (N = 20) performed arm swing rhythm training in a sitting position for 1 min three times while being presented with tactile stimulation synchronised with the arm swing rhythm from a robot.

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Objective: Polycystic Ovary Syndrome (PCOS) is diagnosed by a combination of three features: hyperandrogenism (biochemical and/or clinical), ovulatory dysfunction, and polycystic ovarian morphology, usually detected by ultrasonography. Our study aimed to determine the need for androgen measurements by using hirsutism to establish hyperandrogenism for diagnosing PCOS in a medically unbiased population.

Materials And Methods: We utilized a pre-existing cohort of unselected (medically unbiased) females aged 18-45 years.

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Helps to Reduce the Duration of Bleeding in Breastfed Infants with Allergic Proctocolitis.

Breastfeed Med

January 2025

Department of Pediatric, Pediatric Gastroenterology and Hepatology Research Center, Bahrami Children's Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.

Cow's milk protein allergy (CMPA) is the most common food allergy in infants. The current standard of care (SOC) involves eliminating the allergen from both the infant's and mother's diet for 2-4 weeks. The purpose of this study is to assess the effectiveness of (Ramnoflor) in reducing the duration of bleeding in these infants.

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The Effect of Implicit Bias on the OB/GYN Residency Application Process.

J Grad Med Educ

October 2024

is Professor, Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology and Women's Health, Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, New York, USA.

Medical students from racially minoritized backgrounds receive negative evaluations more frequently, possibly from implicit bias. To determine if a preference for White applicants over Asian and Black applicants exists among resident and attending reviewers of obstetrics and gynecology (OB/GYN) residency applications. In 2021, we sampled academic OB/GYN physicians from 6 academic institutions to randomly receive questionnaire form A or B, each containing 4 contrived Electronic Residency Application Service profiles stratified by United States Medical Licensing Examination scores; institutions attended; and strength of recommendation letters into top-, mid-, and low-tiers.

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Channelrhodopsins (ChRs) are light-gated ion channels widely used to optically activate or silence selected electrogenic cells, such as individual brain neurons. Here, we describe identifying and characterizing a set of anion-conducting ChRs (ACRs) from diverse taxa and representing various branches of the ChR phylogenetic tree. The ACR (MsACR1) showed high sensitivity to yellow-green light ( at 555 nm) and was further engineered for optogenetic applications.

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Article Synopsis
  • The study aimed to analyze brain structure differences in children with ADHD and those with obesity, focusing on brain regions related to cognitive control and reward.
  • It involved 471 children aged 8-12, comparing brain morphology using structural MRI between those with ADHD (some being overweight/obese) and neurotypical controls (some also overweight/obese).
  • Results showed lower surface area in ADHD children and lower cortical thickness in those with obesity, suggesting unique brain changes associated with each condition as well as combined effects of ADHD and obesity on brain regions important for cognitive and motivational processes.
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Article Synopsis
  • The study aimed to assess the long-term risk of new psychiatric disorders in women with primary infertility compared to women without infertility, using a retrospective cohort of 1,001 women in each group over a median follow-up of 23.7 years.
  • Results showed no significant difference in the risk of developing psychiatric disorders such as depression and anxiety between the two groups, including among different causes of infertility (male vs female factors).
  • The findings suggest that while infertility may cause temporary stress and psychological distress, it does not lead to a higher long-term risk for new psychiatric diseases compared to women without infertility.
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Background: Pancreatic ductal adenocarcinoma (PDAC) has a poor prognosis. The POLO trial showed that olaparib (PARP inhibitor) improved progression-free survival (PFS) but not overall survival (OS), when used as maintenance therapy after ≥ 16 weeks of disease control with first-line platinum-based chemotherapy in patients with germline (g) BRCA 1 or 2 pathogenic variants (PV) metastatic PDAC. However, real-world data on the effectiveness of olaparib are missing.

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Unlabelled: The vaginal microbiome is a key player in the etiology of spontaneous preterm birth. This study aimed to illustrate maternal environmental factors associated with vaginal microbiota composition and function in pregnancy. Women in healthy pregnancy had vaginal microbial sampling from the posterior vaginal fornix performed at 16 weeks gestation.

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Mapping the patient journey and treatment patterns in early-stage (stage I-III) non-small cell lung cancer.

Cancer Epidemiol

December 2024

Health Division, Maccabi Healthcare Services, HaMered 27, Tel Aviv, 68125, Israel; Faculty of Medicine, Tel Aviv University, Israel.

Introduction: We map the patient journey from symptom onset to intervention and describe primary treatment in a retrospective population-based cohort study of patients in a large healthcare-provider.

Methods: Newly diagnosed adult patients diagnosed with stages I-III non-small cell lung cancer (NSCLC) between 2016 and 2019 were identified from the Israel National Cancer Registry and chart review was performed to extract de-identified data. The following timelines were constructed: from symptom onset to imaging, imaging to biopsy, and biopsy to primary treatment initiation.

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We conducted a DFT study of the BN monolayer pairing with the O-containing volatile organic compounds (O-containing VOCs) in exhaled breath, acetone, ethanol, methanol, and formaldehyde. The most stable configuration of O-containing VOCs on the BN sheet is also considered and compared with the adsorbed HO on the desired monolayer. The adsorption energy when both water and O-containing VOC molecules are present shows that the O-containing VOC molecules can be effectively adsorbed on the surface of BN while maintaining stability in the presence of water molecules.

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Between 2008 and 2016, 23% of pregnancy-related deaths in Ohio occurred in an emergency department (ED) or outpatient setting. Prior research showed that 98% of Ohio's delivery hospitals conduct obstetric (OB) emergency simulations, whereas only 30% include ED staff. The goal of the grant was to increase the knowledge, skill, and self-efficacy of emergency medicine (EM) professionals in managing OB emergencies.

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Women's preferences for genetic screening in routine care: A qualitative study.

Patient Educ Couns

January 2025

Huntsman Cancer Institute, University of Utah Health, Salt Lake City, UT, USA; Department of Communication, University of Utah, Salt Lake City, UT, USA.

Objective: Examine decision-making regarding when women would prefer to receive reproductive carrier and cancer predisposition screening and from what clinician.

Methods: 20 women completed in-depth interviews via Zoom exploring their views on the provision of reproductive carrier and cancer predisposition screening. Our analysis identified themes related to what informs women's preferences for when they would like to receive a genetic screening offer and by which clinician.

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The Endocrine Society recommends a postpartum fasting blood glucose (FBG) be performed for patients with gestational diabetes mellitus (GDM) prior to hospital discharge to screen for ongoing hyperglycemia. There are limited data, however, on whether an FBG can screen for glucose intolerance and if it correlates with the gold standard 4- to 12-week 2-hour oral glucose tolerance test (OGTT). Our objective was to evaluate if FBG correlates with the gold standard 2-hour OGTT.

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