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https://www.readbyqxmd.com/read/27906079/muscle-specific-loss-of-bmal1-leads-to-disrupted-tissue-glucose-metabolism-and-systemic-glucose-homeostasis
#1
Brianna D Harfmann, Elizabeth A Schroder, Maureen T Kachman, Brian A Hodge, Xiping Zhang, Karyn A Esser
BACKGROUND: Diabetes is the seventh leading cause of death in the USA, and disruption of circadian rhythms is gaining recognition as a contributing factor to disease prevalence. This disease is characterized by hyperglycemia and glucose intolerance and symptoms caused by failure to produce and/or respond to insulin. The skeletal muscle is a key insulin-sensitive metabolic tissue, taking up ~80 % of postprandial glucose. To address the role of the skeletal muscle molecular clock to insulin sensitivity and glucose tolerance, we generated an inducible skeletal muscle-specific Bmal1 (-/-) mouse (iMSBmal1 (-/-))...
March 30, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27906050/the-sh3-and-cysteine-rich-domain-3-stac3-gene-is-important-to-growth-fiber-composition-and-calcium-release-from-the-sarcoplasmic-reticulum-in-postnatal-skeletal-muscle
#2
Xiaofei Cong, Jonathan Doering, Davi A G Mazala, Eva R Chin, Robert W Grange, Honglin Jiang
BACKGROUND: The SH3 and cysteine-rich domain 3 (Stac3) gene is specifically expressed in the skeletal muscle. Stac3 knockout mice die perinatally. In this study, we determined the potential role of Stac3 in postnatal skeletal muscle growth, fiber composition, and contraction by generating conditional Stac3 knockout mice. METHODS: We disrupted the Stac3 gene in 4-week-old male mice using the Flp-FRT and tamoxifen-inducible Cre-loxP systems. RESULTS: RT-qPCR and western blotting analyses of the limb muscles of target mice indicated that nearly all Stac3 mRNA and more than 70 % of STAC3 protein were deleted 4 weeks after tamoxifen injection...
April 11, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27905954/measuring-and-tracking-obesity-inequality-in-the-united-states-evidence-from-nhanes-1971-2014
#3
Tae-Young Pak, Susana Ferreira, Gregory Colson
BACKGROUND: Because people care about their weight relative to peers and society, obesity inequality plays a role in explaining obesity incidence and the impacts of being obese on subjective well-being. While the increase in obesity prevalence and mean body mass index (BMI) is well documented, the measurement of distributional changes and corresponding obesity inequality is yet to be fully explored. METHODS: The present study analyzed BMI data for adults aged 20 to 74 from the National Health and Nutritional Examination Survey (NHANES) I (1971-1974), II (1976-1980), III (1988-1994), and continuous NHANES (1999-2014)...
April 4, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905949/burden-of-cumulative-risk-factors-associated-with-non-communicable-diseases-among-adults-in-uganda-evidence-from-a-national-baseline-survey
#4
Ronald Wesonga, David Guwatudde, Silver K Bahendeka, Gerald Mutungi, Fabian Nabugoomu, James Muwonge
BACKGROUND: Modification of known risk factors has been the most tested strategy for dealing with non-communicable diseases (NCDs). The cumulative number of NCD risk factors exhibited by an individual depicts a disease burden. However, understanding the risk factors associated with increased NCD burden has been constrained by scarcity of nationally representative data, especially in the developing countries and not well explored in the developed countries as well. METHODS: Assessment of key risk factors for NCDs using population data drawn from 3987 participants in a nationally representative baseline survey in Uganda was made...
December 1, 2016: International Journal for Equity in Health
https://www.readbyqxmd.com/read/27905858/seasonal-effects-on-body-composition-muscle-characteristics-and-performance-of-collegiate-swimmers-and-divers
#5
Erica J Roelofs, Abbie E Smith-Ryan, Eric T Trexler, Katie R Hirsch
CONTEXT:  Previous researchers have indicated the importance of body composition and muscle quality in athletic performance. However, body composition and muscle-quality measures in swimmers and divers over a training season have yet to be evaluated. OBJECTIVE:  To identify changes in body composition and muscle characteristics over a competitive season and identify relationships between these variables and performance in National Collegiate Athletic Association Division I swimmers and divers...
December 1, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27905673/single-versus-multiple-visits-for-endodontic-treatment-of-permanent-teeth
#6
REVIEW
Maddalena Manfredi, Lara Figini, Massimo Gagliani, Giovanni Lodi
BACKGROUND: Root canal treatment (RoCT), or endodontic treatment, is a common procedure in dentistry. The main indications for RoCT are irreversible pulpitis and necrosis of the dental pulp caused by carious processes, tooth cracks or chips, or dental trauma. Successful RoCT is characterised by an absence of symptoms (i.e. pain) and clinical signs (i.e. swelling and sinus tract) in teeth without radiographic evidence of periodontal involvement (i.e. normal periodontal ligament). The success of RoCT depends on a number of variables related to the preoperative condition of the tooth, as well as the endodontic procedures...
December 1, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27905293/long-term-exercise-in-mice-has-sex-dependent-benefits-on-body-composition-and-metabolism-during-aging
#7
Rachel C McMullan, Scott A Kelly, Kunjie Hua, Brian K Buckley, James E Faber, Fernando Pardo-Manuel de Villena, Daniel Pomp
Aging is associated with declining exercise and unhealthy changes in body composition. Exercise ameliorates certain adverse age-related physiological changes and protects against many chronic diseases. Despite these benefits, willingness to exercise and physiological responses to exercise vary widely, and long-term exercise and its benefits are difficult and costly to measure in humans. Furthermore, physiological effects of aging in humans are confounded with changes in lifestyle and environment. We used C57BL/6J mice to examine long-term patterns of exercise during aging and its physiological effects in a well-controlled environment...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27905210/erythrocyte-fatty-acid-composition-does-not-influence-levels-of-free-bioavailable-and-total-25-hydroxy-vitamin-d
#8
Martin Carlsson, Ingela Nilsson, Lars Brudin, Siv-Ping Von, Pär Wanby
In vitro, mono- and polyunsaturated fatty acids (FAs) may decrease the binding affinity of vitamin D metabolites for vitamin D-binding protein, which in turn may influence their bioavailability. FAs incorporated as phospholipids in erythrocyte (ery-) cell membranes reflect dietary intake. The purpose of this study was to investigate ery-FA composition in relation to markers for vitamin D. In healthy females (age 22.6 ± 2.0 years) total 25(OH)D was measured by LC-MS/MS (n = 78), free 25(OH)D with ELISA (n = 64 of 78), and bioavailable 25(OH)D was calculated...
December 1, 2016: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/27904566/the-characteristics-of-pre-diabetic-patients-associated-with-body-composition-and-cardiovascular-disease-risk-factors-in-the-iranian-population
#9
Zahra Gholi, Motahar Heidari-Beni, Awat Feizi, Bijan Iraj, Gholamreza Askari
BACKGROUND: Different populations have shown various patterns of association between impaired fasting glucose (IFG) and body composition parameters and risk factors of cardiovascular disease (CVD). The current study aimed at investigating the differences between persons with prediabetes and healthy people in terms of CVD risk factors including body composition parameters, blood pressure, and lipid profile in a sample of the Iranian population. MATERIALS AND METHODS: In a case-control setting, a sample containing 386 (193 prediabetic subjects and 193 normal subjects) of the first-degree relatives of diabetic patients aged 35-55 years were investigated...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904172/compositions-of-professionalism-in-counselling-work-an-embodied-and-embedded-intersectionality-framework
#10
Maria Adamson, Marjana Johansson
This article explores the embodied compositions of professionalism in the context of the counselling psychology profession in Russia. Specifically, we develop an embodied intersectionality framework for theorizing compositions of professionalism, which allows us to explain how multiple embodied categories of difference intersect and are relationally co-constitutive in producing credible professionals, and, importantly, how these intersections are contingent on intercorporeal encounters that take place in localized professional settings...
December 2016: Human Relations; Studies Towards the Integration of the Social Sciences
https://www.readbyqxmd.com/read/27903896/img-abc-new-features-for-bacterial-secondary-metabolism-analysis-and-targeted-biosynthetic-gene-cluster-discovery-in-thousands-of-microbial-genomes
#11
Michalis Hadjithomas, I-Min A Chen, Ken Chu, Jinghua Huang, Anna Ratner, Krishna Palaniappan, Evan Andersen, Victor Markowitz, Nikos C Kyrpides, Natalia N Ivanova
Secondary metabolites produced by microbes have diverse biological functions, which makes them a great potential source of biotechnologically relevant compounds with antimicrobial, anti-cancer and other activities. The proteins needed to synthesize these natural products are often encoded by clusters of co-located genes called biosynthetic gene clusters (BCs). In order to advance the exploration of microbial secondary metabolism, we developed the largest publically available database of experimentally verified and predicted BCs, the Integrated Microbial Genomes Atlas of Biosynthetic gene Clusters (IMG-ABC) (https://img...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27903842/a-comprehensive-lifestyle-randomized-clinical-trial-design-and-initial-patient-experience
#12
Banu Arun, Taylor Austin, Gildy V Babiera, Karen Basen-Engquist, Cindy L Carmack, Alejandro Chaoul, Lorenzo Cohen, Lisa Connelly, Robin Haddad, Carol Harrison, Yisheng Li, Smitha Mallaiah, Raghuram Nagarathna, Patricia A Parker, George H Perkins, James M Reuben, Ya-Chen Tina Shih, Amy Spelman, Anil Sood, Peiying Yang, Sai-Ching J Yeung
BACKGROUND: Although epidemiological research demonstrates that there is an association between lifestyle factors and risk of breast cancer recurrence, progression of disease, and mortality, no comprehensive lifestyle change clinical trials have been conducted to determine if changing multiple risk factors leads to changes in biobehavioral processes and clinical outcomes in women with breast cancer. This article describes the design, feasibility, adherence to the intervention and data collection, and patient experience of a comprehensive lifestyle change clinical trial (CompLife)...
November 30, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27903833/meal-distribution-of-dietary-protein-and-leucine-influences-long-term-muscle-mass-and-body-composition-in-adult-rats
#13
Layne E Norton, Gabriel J Wilson, Christopher J Moulton, Donald K Layman
BACKGROUND: Protein quantity and quality at a meal affect muscle protein synthesis (MPS); however, long-term effects of protein distribution at individual meals on adult muscle mass remain unknown. OBJECTIVE: We used a precise feeding protocol in adult rats to determine if optimizing postmeal MPS response by modifying the meal distribution of protein, and the amino acid leucine (Leu), would affect muscle mass. METHODS: Two studies were conducted with the use of male Sprague-Dawley rats (∼300 g) trained to consume 3 meals/d, then assigned to diet treatments with identical macronutrient contents (16% of energy from protein, 54% from carbohydrates, and 30% from fat) but differing in protein quality or meal distribution...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27903830/early-life-sugar-consumption-affects-the-rat-microbiome-independently-of-obesity
#14
Emily E Noble, Ted M Hsu, Roshonda B Jones, Anthony A Fodor, Michael I Goran, Scott E Kanoski
BACKGROUND: The gut microbiome has been implicated in various metabolic and neurocognitive disorders and is heavily influenced by dietary factors, but there is a paucity of research on the effects of added sugars on the gut microbiome. OBJECTIVE: With the use of a rodent model, our goal was to determine how added-sugar consumption during the juvenile and adolescent phase of development affects the gut microbiome. METHODS: Forty-two juvenile male Sprague-Dawley rats [postnatal day (PND) 26; 50-70 g] were given access to 1 of 3 different 11%-carbohydrate solutions designed to model a range of monosaccharide ratios commonly consumed in sugar-sweetened beverages: 1) 35% fructose:65% glucose, 2) 50% fructose:50% glucose, 3) 65% fructose:35% glucose, and 4) control (no sugar)...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27903767/characterization-of-body-composition-and-fat-mass-distribution-1-year-after-kidney-transplantation
#15
Catherine Pantik, Young-Eun Cho, Donna Hathaway, Elizabeth Tolley, Ann Cashion
PURPOSE: In some recipients, significant weight gain occurs after kidney transplantation. Weight gain is associated with poor outcomes, particularly increased cardiovascular risk. In this study, we characterized changes in body mass index and body fat mass and compared them based on gender and race. METHODS: Fifty-two kidney transplant recipients (aged ≥18 years old, 50% men, 58% African American) were enrolled into a prospective study. Body mass index and body fat mass were measured at baseline and 12 months posttransplant...
November 30, 2016: Progress in Transplantation
https://www.readbyqxmd.com/read/27903517/branched-chain-fatty-acid-composition-of-human-milk-and-the-impact-of-maternal-diet-the-global-exploration-of-human-milk-gehm-study
#16
Kelly A Dingess, Christina J Valentine, Nicholas J Ollberding, Barbara S Davidson, Jessica G Woo, Suzanne Summer, Yongmei M Peng, M Lourdes Guerrero, Guillermo M Ruiz-Palacios, Rinat R Ran-Ressler, Robert J McMahon, J Thomas Brenna, Ardythe L Morrow
BACKGROUND: An understudied component of the diet, branched-chain fatty acids (BCFAs) are distinctive saturated fatty acids that may have an important influence on health. Human-milk fatty acid composition is known to differ worldwide, but comparative data are lacking on BCFAs. OBJECTIVE: We tested the hypotheses that concentrations of BCFAs in human milk differ between populations and are associated with maternal diet. DESIGN: We surveyed the BCFA composition of samples collected as part of a standardized, prospective study of human-milk composition...
November 30, 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27903151/how-to-manage-the-obese-patient-with-cancer
#17
Andrew G Renehan, Michelle Harvie, Ramsey I Cutress, Michael Leitzmann, Tobias Pischon, Sacha Howell, Anthony Howell
Purpose Obesity (body mass index [BMI] ≥ 30 kg/m(2)) is common among patients with cancer. We reviewed management issues in the obese patient with cancer, focusing on how obesity influences treatment selection (including chemotherapy dosing), affects chemotherapy toxicity and surgical complications, and might be a treatment effect modifier. Methods The majority of evidence is drawn from observational studies and secondary analyses of trial data, typically analyzed in N × 3 BMI categories (normal weight, overweight, and obese) matrix structures...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27902893/nematode-parasites-of-teiid-lizards-from-the-brazilian-amazon-rainforest
#18
Lilian Cristina Macedo, Scott L Gardner, Francisco Tiago Vasconcelos Melo, Teresa Cristina Sauer Avila-Pires, Elane Guerreiro Giese, Jeannie Nascimento Dos Santos
This study presents the helminth composition and parameters of infection by several species of nematodes in teiid lizards, Ameiva a. ameiva (Linnaeus, 1758), Cnemidophorus cryptus Cole & Dessauer, 1993, and Kentropyx calcarata Spix, 1825 from the Brazilian Amazonian Rainforest. The lizard populations we studied were parasitized by six species of Nemata, including: Spinicauda spinicauda (Olfers, 1919), Parapharyngodon alvarengai Freitas, 1957, Physaloptera sp. (adults), Physaloptera sp. (larvae), Piratuba digiticauda Lent and Freitas, 1941, and Anisakidae (larvae)...
November 30, 2016: Journal of Parasitology
https://www.readbyqxmd.com/read/27902715/local-stressors-resilience-and-shifting-baselines-on-coral-reefs
#19
Matthew McLean, Javier Cuetos-Bueno, Osamu Nedlic, Marston Luckymiss, Peter Houk
Understanding how and why coral reefs have changed over the last twenty to thirty years is crucial for sustaining coral-reef resilience. We used a historical baseline from Kosrae, a typical small island in Micronesia, to examine changes in fish and coral assemblages since 1986. We found that natural gradients in the spatial distribution of fish and coral assemblages have become amplified, as island geography is now a stronger determinant of species abundance patterns, and habitat forming Acropora corals and large-bodied fishes that were once common on the leeward side of the island have become scarce...
2016: PloS One
https://www.readbyqxmd.com/read/27901601/activation-of-estrogen-response-element-independent-er%C3%AE-signaling-protects-female-mice-from-diet-induced-obesity
#20
Ali Yasrebi, Janelle A Rivera, Elizabeth A Krumm, Jennifer A Yang, Troy A Roepke
17β-estradiol (E2) regulates central and peripheral mechanisms that control energy and glucose homeostasis predominantly through estrogen receptor α (ERα) acting via receptor binding to estrogen response elements (ERE). ERα signaling is also involved in mediating the effects of E2 on diet-induced obesity (DIO), although the roles of ERE-dependent and -independent ERα signaling in ameliorating the effects of DIO remain largely unknown. We hypothesize that ERE-dependent ERα signaling is necessary to ameliorate the effects of DIO...
November 30, 2016: Endocrinology
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