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https://www.readbyqxmd.com/read/29239129/association-of-prenatal-exposure-to-gestational-diabetes-with-offspring-body-composition-and-regional-body-fat-distribution
#1
M Kearney, J Perron, I Marc, S J Weisnagel, A Tchernof, J Robitaille
The aim of this cohort study was to compare body composition and regional body fat distribution between children exposed (GDM+) or unexposed (GDM-) in utero to gestational diabetes mellitus (GDM) and to investigate the association with the glycaemic and the insulin profile. Data from 56 GDM+ and 30 GDM- were analysed. Height, weight and waist circumference were measured. Total and regional body composition was measured by dual-energy X-ray absorptiometry. Insulin, glucose and HbA1c were obtained from a fasting plasma sample, and the HOMA-IR index was calculated...
December 13, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/29237962/evaluation-of-the-effect-of-soft-tissue-composition-on-the-characteristics-of-spread-out-bragg-peak-in-proton-therapy
#2
Mahdi Ghorbani, Sayyed Bijan Jia, Mohsen Khosroabadi, Hamid Reza Sadoughi, Courtney Knaup
AIM: The aim of this study is to evaluate the effect of soft tissue composition on dose distribution and spread-out Bragg peak (SOBP) characteristics in proton therapy. SUBJECTS AND METHODS: Proton beams with nominal energies of 70, 120 and 210 MeV were considered. The soft tissues and tissue equivalent materials implemented in this study are: 9-component soft tissue, 4-component soft tissue, adipose tissue, muscle (skeletal), lung tissue, breast tissue, A-150 tissue equivalent plastic, perspex and water...
October 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29236751/lysophosphatidic-acid-receptor-mrna-levels-in-heart-and-white-adipose-tissue-are-associated-with-obesity-in-mice-and-humans
#3
Amy Brown, Intekhab Hossain, Lester J Perez, Carine Nzirorera, Kathleen Tozer, Kenneth D'Souza, Purvi C Trivedi, Christie Aguiar, Alexandra M Yip, Jennifer Shea, Keith R Brunt, Jean-Francois Legare, Ansar Hassan, Thomas Pulinilkunnil, Petra C Kienesberger
BACKGROUND: Lysophosphatidic acid (LPA) receptor signaling has been implicated in cardiovascular and obesity-related metabolic disease. However, the distribution and regulation of LPA receptors in the myocardium and adipose tissue remain unclear. OBJECTIVES: This study aimed to characterize the mRNA expression of LPA receptors (LPA1-6) in the murine and human myocardium and adipose tissue, and its regulation in response to obesity. METHODS: LPA receptor mRNA levels were determined by qPCR in i) heart ventricles, isolated cardiomyocytes, and perigonadal adipose tissue from chow or high fat-high sucrose (HFHS)-fed male C57BL/6 mice, ii) 3T3-L1 adipocytes and HL-1 cardiomyocytes under conditions mimicking gluco/lipotoxicity, and iii) human atrial and subcutaneous adipose tissue from non-obese, pre-obese, and obese cardiac surgery patients...
2017: PloS One
https://www.readbyqxmd.com/read/29230714/obesity-phenotypes-depot-differences-in-adipose-tissue-and-their-clinical-implications
#4
REVIEW
Valeria Guglielmi, Paolo Sbraccia
Obesity, defined as excess fat mass, increases risks for multiple chronic diseases, such as type 2 diabetes, cardiovascular disease, and several types of cancer. Beyond adiposity per se, the pattern of fat distribution, android or truncal as compared to gynoid or peripheral, has a profound influence on systemic metabolism and hence risk for obesity complications. Not only factors as genetics, environment, gender, and age account for the apparent compartmentalization of white adipose tissue (WAT) in the body...
December 11, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/29224107/sex-dependent-role-of-estrogen-sulfotransferase-and-steroid-sulfatase-in-metabolic-homeostasis
#5
Wojciech G Garbacz, Mengxi Jiang, Wen Xie
Sulfonation and desulfation are two opposing processes that represent an important layer of regulation of estrogenic activity via ligand supplies. Enzymatic activities of families of enzymes, known as sulfotransferases and sulfatases, lead to structural and functional changes of the steroids, thyroids, xenobiotics, and neurotransmitters. Estrogen sulfotransferase (EST) and steroid sulfatase (STS) represent negative and positive regulation of the estrogen activity, respectively. This is because EST-mediated sulfation deactivates estrogens, whereas STS-mediated desulfation converts the inactive estrogen sulfates to active estrogens...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29224098/role-of-estrogens-in-the-regulation-of-liver-lipid-metabolism
#6
Brian T Palmisano, Lin Zhu, John M Stafford
Before menopause, women are protected from atherosclerotic heart disease associated with obesity relative to men. Sex hormones have been proposed as a mechanism that differentiates this risk. In this review, we discuss the literature around how the endogenous sex hormones and hormone treatment approaches after menopause regulate fatty acid, triglyceride, and cholesterol metabolism to influence cardiovascular risk.The important regulatory functions of estrogen signaling pathways with regard to lipid metabolism have been in part obscured by clinical trials with hormone treatment of women after menopause, due to different formulations, routes of delivery, and pairings with progestins...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29224089/cellular-mechanisms-driving-sex-differences-in-adipose-tissue-biology-and-body-shape-in-humans-and-mouse-models
#7
Kalypso Karastergiou, Susan K Fried
Sex differences in adipose tissue distribution and the metabolic, endocrine, and immune functions of different anatomical fat depots have been described, but they are incompletely documented in the literature. It is becoming increasingly clear that adipose depots serve distinct functions in males and females and have specific physiological roles. However, the mechanisms that regulate the size and function of specific adipose tissues in men and women remain poorly understood. New insights from mouse models have advanced our understanding of depot differences in adipose growth and remodeling via the proliferation and differentiation of adipose progenitors that can expand adipocyte number in the tissue or simply replace dysfunctional older and larger adipocytes...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29223037/a-microfabricated-platform-for-the-study-of-chondrogenesis-under-different-compressive-loads
#8
Reza Kowsari-Esfahan, Azadeh Jahanbakhsh, Mohammad Said Saidi, Shahin Bonakdar
Microfluidic devices are beneficial in miniaturizing and multiplexing various cellular assays in a single platform. Chondrogenesis is known to pertain to chemical, topographical, and mechanical cues in the microenvironment. Mechanical cues themselves have numerous parameters such as strain magnitude, frequency, and stimulation time. Effects of different strain magnitudes on the chondrogenic differentiation of adult stem cells have not been explored thoroughly. Here, a new multilayer microdevice is presented for the unidirectional compressive stimulation of cells in a three-dimensional cell culture...
December 5, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29219071/systematic-review-of-the-relationships-between-combinations-of-movement-behaviours-and-health-indicators-in-the-early-years-0-4%C3%A2-years
#9
Nicholas Kuzik, Veronica J Poitras, Mark S Tremblay, Eun-Young Lee, Stephen Hunter, Valerie Carson
BACKGROUND: A recent review highlighted important relationships between combinations of movement behaviours (i.e., sleep, sedentary behaviour, and physical activity) and health indicators among school-aged children and youth (aged 5-17 years). It is unclear whether similar relationships exist in younger children. Therefore, this review sought to examine the relationships between combinations of movement behaviours and health indicators in the early years (1.00 month to 4.99 years)...
November 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29219006/distribution-and-quantitative-analysis-of-cidea-and-cidec-in-broiler-chickens-accounting-for-differential-fat-deposition-between-strains
#10
J Huang, L Huang, Q Zeng, E Huang, H Liang, Q Wei, X Xie, J Ruan
1. Differences in the expression of CIDEa and CIDEc in 20 different tissues were examined. Both CIDEa and CIDEc mRNA transcripts were predominantly but variably expressed in white adipose tissue (WAT) but were also expressed at moderate levels in the kidney and liver and at lower levels in the ovary. Interestingly, among white adipose tissue types, both CIDEa and CIDEc were expressed at the lowest levels in hWAT (heart coronary white adipose tissue). 2. To better understand the roles of CIDEa and CIDEc in the fat deposition of broiler chickens, the differences in lipid droplet size and mRNA levels of CIDEa and CIDEc between lean-type and fat-type broiler chicken lines was studied...
December 8, 2017: British Poultry Science
https://www.readbyqxmd.com/read/29214695/psoriasis-improvement-after-gastric-bandage-in-a-patient-partial-responder-to-infliximab
#11
Giulia Odorici, Andrea Conti
Patients overweight or obese have more severe psoriasis than normal weight patients. Sometimes the excessive weight is related to a lack of efficacy of systemic treatment. We report a case of a psoriatic patient that experienced a dramatic improvement of psoriasis after weight loss surgery by gastric bandage. The great weight loss was accompanied by an effectiveness gain of response to infliximab. The mechanism responsible for this association is not certain, but it is probably multifactorial, involving genetic, environmental and immune-mediated factors...
December 7, 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/29210918/association-between-physical-activity-and-adiposity-in-adolescents-with-down-syndrome
#12
E Andrew Pitchford, Chelsea Adkins, Rebecca E Hasson, Joseph E Hornyak, Dale A Ulrich
PURPOSE: Obesity is highly prevalent among adolescents with Down syndrome (DS); however, reported associations between body composition and moderate-to-vigorous physical activity (MVPA) have been small and non-significant. The purpose of this study to compare group differences between adolescents with and without DS, including dual-energy x-ray absorptiometry (DXA) measured body composition and accelerometer-measured physical activity, and then examine associations within adolescents with DS...
November 27, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29208612/increased-body-fat-mass-explains-the-positive-association-between-circulating-estradiol-and-insulin-resistance-in-postmenopausal-women
#13
Geneviève B Marchand, Anne-Marie Carreau, S John Weisnagel, Jean Bergeron, Fernand Labrie, Simone Lemieux, Andre Tchernof
The relationship between circulating estrogen levels and cardiometabolic risk factors such as insulin resistance is unclear in postmenopausal women. High estradiol (E2) levels have been reported to predict increased risk of type 2 diabetes in this population. We aimed to examine associations among estrogen levels, adiposity measurements and cardiometabolic risk variables including insulin resistance in postmenopausal women. 101 healthy participants (mean±SD: age 57±4 years; BMI 27.9±4.8 kg/m2) were included in the analysis...
December 5, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29205916/leptin-in-maternal-plasma-and-cord-blood-as-a-predictor-of-offspring-adiposity-at-5-years-a-follow-up-study
#14
Dorothy Marie Meyer, Christina Brei, Lynne Stecher, Daniela Much, Stefanie Brunner, Hans Hauner
OBJECTIVE: Perinatal leptin exposure may modulate the risk of adiposity in early childhood. In previous analyses, negative associations between maternal (32 weeks' gestation) and cord blood leptin and offspring body composition at 2 years were observed. METHODS: Associations between maternal/cord blood leptin were assessed with indirect (i.e., body weight, BMI percentiles, sum of 4 skinfold thicknesses), and direct (i.e., ultrasonography, magnetic resonance imaging in a subgroup) growth and adipose tissue (AT) measurements in 120 children aged 3 to 5 years...
December 3, 2017: Obesity
https://www.readbyqxmd.com/read/29197986/relationships-between-mri-fat-distributions-and-sleep-apnea-and-obesity-hypoventilation-syndrome-in-very-obese-patients
#15
C D Turnbull, S H Wang, A R Manuel, B T Keenan, A G McIntyre, R J Schwab, J R Stradling
PURPOSE: Obesity is associated with both obstructive sleep apnea (OSA) and obesity hypoventilation. Differences in adipose tissue distribution are thought to underlie the development of both OSA and hypoventilation. We explored the relationships between the distribution of upper airway, neck, chest, abdominal and muscle fat in very obese individuals. METHODS: We conducted a cross-sectional cohort study of individuals presenting to a tertiary sleep clinic or for assessment for bariatric surgery...
December 2, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29191316/tissue-distribution-of-perfluoroalkyl-acids-and-health-status-in-wild-mozambique-tilapia-oreochromis-mossambicus-from-loskop-dam-mpumalanga-south-africa
#16
Jacqueline T Bangma, Jessica L Reiner, Hannes Botha, Theresa M Cantu, Marco A Gouws, Matthew P Guillette, Jeremy P Koelmel, Wilmien J Luus-Powell, Jan Myburgh, Olivia Rynders, Joseph R Sara, Willem J Smit, John A Bowden
This study examined concentrations of 15 perfluoroalkyl acids (PFAAs) in tissues from male Mozambique tilapia (Oreochromis mossambicus) collected at Loskop Dam, Mpumalanga, South Africa in 2014 and 2016. Nine of the 15 PFAAs were detected frequently and were included in statistical analysis and included two of the most commonly known PFAAs, perfluorooctanesulfonic acid (PFOS) (median, 41.6ng/g) and perfluorooctanoic acid (PFOA) (median, 0.0825ng/g). Of the tissues measured, plasma (2016 and 2014 median, 22...
November 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/29187899/optimizing-fresh-specimen-staining-for-rapid-identification-of-tumor-biomarkers-during-surgery
#17
Connor W Barth, Jasmin M Schaefer, Vincent M Rossi, Scott C Davis, Summer L Gibbs
RATIONALE: Positive margin status due to incomplete removal of tumor tissue during breast conserving surgery (BCS) is a prevalent diagnosis usually requiring a second surgical procedure. These follow-up procedures increase the risk of morbidity and delay the use of adjuvant therapy; thus, significant efforts are underway to develop new intraoperative strategies for margin assessment to eliminate re-excision procedures. One strategy under development uses topical application of dual probe staining and a fluorescence imaging strategy termed dual probe difference specimen imaging (DDSI)...
2017: Theranostics
https://www.readbyqxmd.com/read/29182451/protein-recommendations-for-weight-loss-in-elite-athletes-a-focus-on-body-composition-and-performance
#18
Amy Hector, Stuart M Phillips
There exists a large body of scientific evidence to support protein intakes in excess of the recommended dietary allowance (RDA) (0.8g protein/kg/d) to promote the retention of skeletal muscle and loss of adipose tissue during dietary energy restriction. Diet-induced weight loss with as low as possible ratio of skeletal muscle to fat mass loss is a situation we refer to as high quality weight loss. We propose that high quality weight loss is often of importance to elite athletes in order to maintain their muscle (engine) and shed unwanted fat mass, potentially improving athletic performance...
November 28, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29179743/visceral-and-subcutaneous-abdominal-adiposity-and-pulmonary-function-in-30-year-old-adults-a-cross-sectional-analysis-nested-in-a-birth-cohort
#19
Paula Duarte de Oliveira, Fernando César Wehrmeister, Bernardo Lessa Horta, Rogelio Pérez-Padilla, Giovanny Vinícius Araújo de França, Denise P Gigante, Fernando C Barros, Ken K Ong, Emanuella De Lucia Rolfe, Ana Maria Baptista Menezes
BACKGROUND: Several studies have verified body fat distribution in association with pulmonary function (PF), mainly waist circumference, but few have used measures able to distinguish abdominal fat compartments. The present study aims to verify the association of visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) with PF measures. METHODS: In 1982, all hospital births occurring in Pelotas, Brazil, were identified and those livebirths have been followed...
November 28, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29178480/hydrogel-encapsulation-facilitates-rapid-cooling-cryopreservation-of-stem-cell-laden-core-shell-microcapsules-as-cell-biomaterial-constructs
#20
Gang Zhao, Xiaoli Liu, Kaixuan Zhu, Xiaoming He
Core-shell structured stem cell microencapsulation in hydrogel has wide applications in tissue engineering, regenerative medicine, and cell-based therapies because it offers an ideal immunoisolative microenvironment for cell delivery and 3D culture. Long-term storage of such microcapsules as cell-biomaterial constructs by cryopreservation is an enabling technology for their wide distribution and ready availability for clinical transplantation. However, most of the existing studies focus on cryopreservation of single cells or cells in microcapsules without a core-shell structure (i...
November 27, 2017: Advanced Healthcare Materials
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