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Adipokines vitamin D

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https://www.readbyqxmd.com/read/27804863/candidate-biomarkers-for-fatigue-in-systemic-lupus-erythematosus-a-critical-review
#1
Mary A Mahieu, Rosalind Ramsey-Goldman
Fatigue impacts 80-90% of patients with systemic lupus erythematosus (SLE), and an incomplete understanding of fatigue mechanisms limits effective treatment. Disease activity indices and laboratory markers inconsistently correlate with fatigue severity in SLE populations. Identification of fatigue biomarkers has important implications for understanding pathogenesis and defining novel therapeutic targets, but a paucity of evidence exists for fatigue biomarkers in SLE. The evidence for adipokines, reduced glutathione, iron deficiency, and vitamin D as potential biomarkers for SLE-related fatigue are reviewed...
October 29, 2016: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/27798347/associations-between-vitamin-d-and-cardiovascular-disease-risk-factors-in-african-americans-are-partly-explained-by-circulating-adipokines-and-c-reactive-protein-the-jackson-heart-study
#2
Rumana J Khan, Samson Y Gebreab, Pia Riestra, Mario Sims, Amadou Gaye, Ruihua Xu, Sharon K Davis
BACKGROUND: Although it is recognized that vitamin D deficiency is associated with cardiovascular disease (CVD) risk factors, and is more common in African Americans (AAs), the pathologic mechanisms by which vitamin D may influence these risk factors are poorly understood. OBJECTIVES: We explored the association between vitamin D status, as reflected by serum 25-hydroxyvitamin D [25(OH)D] concentrations, and CVD risk factors including mean arterial pressure (MAP), fasting plasma glucose (FPG), plasma HDL cholesterol, and waist circumference (WC) in adult AAs...
October 26, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27779331/comparisons-of-physical-activity-adipokines-vitamin-d-status-and-dietary-vitamin-d-intake-among-adolescents
#3
K V Giudici, R M Fisberg, D M Marchioni, L A Martini
BACKGROUND: Considering that lifestyle and diet are key factors responsible for the increases in adiposity in youth, it is important to understand how vitamin D, adipokines and markers of glucose metabolism are related to physical activity level (PAL) during growth. The present study aimed to investigate associations between physical activity level, adiponectin/leptin ratio, vitamin D status and dietary vitamin D intake among adolescents. METHODS: A cross-sectional study was conducted with adolescents aged 14-18 years old who were living in São Paulo, Brazil...
October 25, 2016: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/27716289/vitamin-d-modifies-the-associations-between-circulating-betatrophin-and-cardiometabolic-risk-factors-among-youths-at-risk-for-metabolic-syndrome
#4
Junling Fu, Cong Hou, Lujiao Li, Dan Feng, Ge Li, Mingyao Li, Changhong Li, Shan Gao, Ming Li
BACKGROUND: Betatrophin has been recently reported to play a role in glucose homeostasis by inducing beta-cell proliferation in mice. However, studies in human are inconsistent. As a nutritionally-regulated liver-enriched factor, we hypothesize that betatrophin might be regulated by vitamin D, and ignorance of vitamin D status may explain the discrepancy in previous human studies. The aims of this study were to assess the association between circulating betatrophin and glucose homeostasis as well as other cardiometabolic variables in a cohort of youths at risk for metabolic syndrome and test the possible influence of vitamin D status on the association...
October 6, 2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27707707/insulin-resistance-in-chronic-kidney-disease-a-systematic-review
#5
REVIEW
Belinda Spoto, Anna Pisano, Carmine Zoccali
Insulin resistance (IR) is an early metabolic alteration in chronic kidney disease (CKD) patients, being apparent when the glomerular filtration rate is still within the normal range and becoming almost universal in those who reach the end stage of kidney failure. The skeletal muscle represents the primary site of IR in CKD, and alterations at sites beyond the insulin receptor are recognized as the main defect underlying IR in this condition. Estimates of IR based on fasting insulin concentration are easier and faster but may not be adequate in patients with CKD because renal insufficiency reduces insulin catabolism...
December 1, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27703587/an-updated-mini-review-of-vitamin-d-and-obesity-adipogenesis-and-inflammation-state
#6
Zujaja-Tul-Noor Hamid Mehmood, Dimitrios Papandreou
Vitamin D related research continues to expand and theorise regarding its involvement in obesity, as both hypovitaminosis D and obesity strike in pandemic proportions. Vitamin D plays an important role in immune system through Vitamin D Receptors (VDR), which are transcription factors located abundantly in the body. Due to this characteristic, it is potentially linked to obesity, which is a state of inflammation involving the release of cytokines from adipose tissue, and exerting stress on other organs in a state of positive energy balance...
September 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27629594/serum-25-oh-d-and-adipokines-levels-in-people-with-abdominal-obesity
#7
T Karonova, O Belyaeva, E B Jude, A Tsiberkin, A Andreeva, E Grineva, P Pludowski
Abdominal obesity is a risk factor for cardiovascular disease and diabetes mellitus and has been associated with vitamin D deficiency. Some studies have suggested an association between obesity and adipokine levels as well as low serum 25-hydroxyvitamin D (25(OH)D) level but the underlying mechanisms of the interlink between vitamin D status and serum leptin and adiponectin concentrations are still disputed. We included 435 residents (132 males) from St. Petersburg, Russia into this study. All subjects had physical examination and demographics noted...
September 11, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27437780/evaluation-of-the-relation-between-vitamin-d-and-serum-omentin-and-vaspin-levels-in-women
#8
M Zorlu, M Kiskac, M Cakirca, C Karatoprak, E M Güler, K Çelik, I Gültepe, M A Cikrikcioglu, A Kocyigit
INTRODUCTION: Vitamin D deficiency is a common health problem seen worldwide. Adipokines released from adipose tissue play important roles in the control of appetite and satiety, modulation of body fat distribution, regulation of insulin sensitivity and secretion, control of blood pressure, and regulation of endothelial functions and inflammation. The aim of the present study is to investigate how vitamin D levels affect serum vaspin and omentin levels. MATERIALS AND METHODS: This is a cross-sectional study design...
July 2016: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/27358421/vitamin-d-receptor-gene-polymorphisms-are-associated-with-abdominal-visceral-adipose-tissue-volume-and-serum-adipokine-concentrations-but-not-with-body-mass-index-or-waist-circumference-in-african-americans-the-jackson-heart-study
#9
Rumana J Khan, Pia Riestra, Samson Y Gebreab, James G Wilson, Amadou Gaye, Ruihua Xu, Sharon K Davis
BACKGROUND: The biological actions of vitamin D are mediated through the vitamin D receptor (VDR). Single-nucleotide polymorphisms (SNPs) in the VDR gene have been previously associated with adiposity traits. However, to our knowledge, few studies have included direct measures of adiposity and adipokine concentrations. OBJECTIVE: We examined the association of tagging SNPs in the VDR gene with multiple adiposity measures, including waist circumference (WC), body mass index (BMI), body fat percentage, subcutaneous and visceral adipose tissue (VAT) volume, and serum adipokine (adiponectin and leptin) concentrations in adult African Americans (AAs)...
August 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27133809/beneficial-role-of-vitamin-k-supplementation-on-insulin-sensitivity-glucose-metabolism-and-the-reduced-risk-of-type-2-diabetes-a-review
#10
REVIEW
Prasenjit Manna, Jatin Kalita
Micronutrients are gaining acceptance as an important nutritional therapy for the prevention and/or management of diabetes and its associated health risks. Although a very small quantity of micronutrients are required for specific functions in our bodies, moderate deficiencies can lead to serious health issues. Impaired insulin sensitivity and glucose intolerance play a major role in the development of diabetic pathophysiology. Vitamin K is well known for its function in blood coagulation. Moreover, several human studies reported the beneficial role of vitamin K supplementation in improving insulin sensitivity and glucose tolerance, preventing insulin resistance, and reducing the risk of type 2 diabetes (T2 D)...
July 2016: Nutrition
https://www.readbyqxmd.com/read/27038530/does-vitamin-d-supplementation-alter-plasma-adipokines-concentrations-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#11
REVIEW
Madalina Dinca, Maria-Corina Serban, Amirhossein Sahebkar, Dimitri P Mikhailidis, Peter P Toth, Seth S Martin, Michael J Blaha, Matthias Blüher, Camelia Gurban, Peter Penson, Erin D Michos, Adrian V Hernandez, Steven R Jones, Maciej Banach
We aimed to elucidate the role of vitamin D supplementation on adipokines through a systematic review and a meta-analysis of randomized placebo-controlled trials (RCTs). The search included PUBMED, Scopus, Web of Science and Google Scholar through July 1st, 2015. Finally we identified 9 RCTs and 484 participants. Meta-analysis of data from 7 studies did not find a significant change in plasma adiponectin concentrations following vitamin D supplementation (mean difference [MD]: 4.45%, 95%CI: -3.04, 11.93, p=0...
May 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/26732135/is-there-association-between-vitamin-d-levels-apelin-36-and-visfatin-in-pcos
#12
Emel Kiyak Caglayan, Yaprak Engin-Üstun, Nagihan Sari, Ayşe Yesim Göçmen, Levent Seckin, Mustafa Kara, Asli Metin, M Fevzi Polat
AIM: We aimed to evaluate vitamin D, apelin-36, and visfatin levels in patients with polycystic ovary syndrome (PCOS). MATERIAL AND METHOD: The study was completed in six months, including a total of 110 patients who were admitted to the obstetrics and gynecology polyclinic. Patients with a diagnosis of PCOS were divided into two subgroups according to their vitamin D levels. Thirty-four patients had <10 ng/ml of vitamin D deficiency and 21 patients had 10-30 ng/ml of vitamin D insufficiency, with each being defined as a subgroup...
2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/26236550/metabolic-risk-factors-of-sporadic-alzheimer-s-disease-implications-in-the-pathology-pathogenesis-and-treatment
#13
REVIEW
Sasanka Chakrabarti, Vineet Kumar Khemka, Anindita Banerjee, Gargi Chatterjee, Anirban Ganguly, Atanu Biswas
Alzheimer's disease (AD), the major cause of dementia among the elderly world-wide, manifests in familial and sporadic forms, and the latter variety accounts for the majority of the patients affected by this disease. The etiopathogenesis of sporadic AD is complex and uncertain. The autopsy studies of AD brain have provided limited understanding of the antemortem pathogenesis of the disease. Experimental AD research with transgenic animal or various cell based models has so far failed to explain the complex and varied spectrum of AD dementia...
August 2015: Aging and Disease
https://www.readbyqxmd.com/read/26206095/effect-of-vitamin-d-supplementation-on-selected-inflammatory-biomarkers-in-older-adults-a-secondary-analysis-of-data-from-a-randomised-placebo-controlled-trial
#14
RANDOMIZED CONTROLLED TRIAL
Mary Waterhouse, Bich Tran, Peter R Ebeling, Dallas R English, Robyn M Lucas, Alison J Venn, Penelope M Webb, David C Whiteman, Rachel E Neale
Observational studies have suggested that 25-hydroxyvitamin D (25(OH)D) levels are associated with inflammatory markers. Most trials reporting significant associations between vitamin D intake and inflammatory markers used specific patient groups. Thus, we aimed to determine the effect of supplementary vitamin D using secondary data from a population-based, randomised, placebo-controlled, double-blind trial (Pilot D-Health trial 2010/0423). Participants were 60- to 84-year-old residents of one of the four eastern states of Australia...
September 14, 2015: British Journal of Nutrition
https://www.readbyqxmd.com/read/26127005/the-role-of-vitamin-d-towards-immune-tolerance-in-white-adipose-tissue-wat
#15
Salvatore Chirumbolo
Vitamin D and its active form 1α,25(OH)2D3 has been recently indicated to have a fundamental role in immune regulation. An interplay between gut and white adipose tissue (WAT), mainly mediated by enterogastric hormones and adipokines, such as leptin, adiponectin and ghrelin, actively participate in the immune homeostasis and modulation both of the innate/acquired immune response and between T-cell effector/T-cell regulatory skewing. Particularly for leptin, this action promotes and enhances immune tolerance at the gut level and pro-inflammatory effect at WAT level, while calcitriol participates in promoting and increasing an M2 macrophage-like skewing, a T-reg activity at WAT level and a iNKT function at gut level...
2015: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/26120828/vitamin-d-levels-decline-with-rising-number-of-cardiometabolic-risk-factors-in-healthy-adults-association-with-adipokines-inflammation-oxidative-stress-and-advanced-glycation-markers
#16
Zora Krivošíková, Martin Gajdoš, Katarína Šebeková
INTRODUCTION: Hypovitaminosis D associates with obesity, insulin resistance, hypertension, and dyslipoproteinemia. We asked whether the presence of multiple cardiometabolic risk factors, and which particular combination, exerts additive negative effects on 25(OH)D3 levels; and whether 25(OH)D3 levels associate with markers of inflammation and oxidative stress. SUBJECTS AND METHODS: In non-diabetic medication-free adults central obesity (waist-to-height ratio > 0...
2015: PloS One
https://www.readbyqxmd.com/read/26037109/mexico-city-normal-weight-children-exposed-to-high-concentrations-of-ambient-pm2-5-show-high-blood-leptin-and-endothelin-1-vitamin-d-deficiency-and-food-reward-hormone-dysregulation-versus-low-pollution-controls-relevance-for-obesity-and-alzheimer-disease
#17
Lilian Calderón-Garcidueñas, Maricela Franco-Lira, Amedeo D'Angiulli, Joel Rodríguez-Díaz, Eleonore Blaurock-Busch, Yvette Busch, Chih-kai Chao, Charles Thompson, Partha S Mukherjee, Ricardo Torres-Jardón, George Perry
Millions of Mexico, US and across the world children are overweight and obese. Exposure to fossil-fuel combustion sources increases the risk for obesity and diabetes, while long-term exposure to fine particulate matter (PM2.5) and ozone (O3) above US EPA standards is associated with increased risk of Alzheimer's disease (AD). Mexico City Metropolitan Area children are chronically exposed to PM2.5 and O3 concentrations above the standards and exhibit systemic, brain and intrathecal inflammation, cognitive deficits, and Alzheimer disease neuropathology...
July 2015: Environmental Research
https://www.readbyqxmd.com/read/25908506/effect-of-vitamin-d3-supplementation-in-combination-with-weight-loss-on-inflammatory-biomarkers-in-postmenopausal-women-a-randomized-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Catherine Duggan, Jean de Dieu Tapsoba, Caitlin Mason, Ikuyo Imayama, Larissa Korde, Ching-Yun Wang, Anne McTiernan
Obesity and vitamin D deficiency are associated with risk for several cancers, possibly through inflammation and adipokine-related pathways. Two hundred and eighteen postmenopausal women with BMI > 25 kg/m(2) and low serum 25-hydroxyvitamin D (25(OH)D; ≥10-<32 ng/mL), were randomized to 12 months of either (i) weight-loss intervention + 2000 IU/day oral vitamin D3 or (ii) weight-loss intervention + daily placebo. Serum adiponectin, leptin, TNFα, IL6, IL1β, IL8, and IL10, were measured by immunoassay, and a composite inflammatory biomarker score calculated...
July 2015: Cancer Prevention Research
https://www.readbyqxmd.com/read/25827255/effect-of-intermittent-pth-treatment-on-plasma-glucose-in-osteoporosis-a-randomized-trial
#19
RANDOMIZED CONTROLLED TRIAL
Patrizia D'Amelio, Francesca Sassi, Ilaria Buondonno, Elena Spertino, Cristina Tamone, Simonetta Piano, Daniela Zugna, Lorenzo Richiardi, Giovanni Carlo Isaia
We investigated the effect of bone turnover on glucose homeostasis, fat distribution and adipokine production during anabolic treatment with PTH. This is a parallel, randomized controlled, open label, trial. The randomization was done by computer generated tables to allocate treatments. Forty-six postmenopausal osteoporotic non-diabetic women were assigned to treatment with calcium and colecalcipherol with (24) or without (22) PTH 1-84. Patients were recalled after 3, 6, 12 and 18 months of treatment and markers of bone turnover, glucose metabolism, adipokine secretion and fat distribution were analyzed...
July 2015: Bone
https://www.readbyqxmd.com/read/25784935/effect-of-weight-loss-on-serum-osteocalcin-and-its-association-with-serum-adipokines
#20
Mohammed S Albadah, Hafedh Dekhil, Shaffi Ahamed Shaik, Mohammed A Alsaif, Mustafa Shogair, Shahid Nawaz, Assim A Alfadda
Studies have suggested that osteocalcin, a bone formation marker, is related to body metabolism and insulin sensitivity. Whether this relation is mediated through an interaction with adipokines remains unclear. The aim of this study was to assess the effect of weight loss on serum osteocalcin and its relation with three adipokines, adiponectin, chemerin, and resistin. Forty-nine obese nondiabetic males completed a four-month dietary program. Body mass index (BMI) decreased significantly from 39.7 ± 7.6 to 37...
2015: International Journal of Endocrinology
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