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https://www.readbyqxmd.com/read/28213107/hypoglycemic-effect-of-the-polyphenols-rich-extract-from-rose-rugosa-thunb-on-high-fat-diet-and-stz-induced-diabetic-rats
#1
Liu Liu, Dan Tang, Haiqing Zhao, Xuelei Xin, Haji Akber Aisa
ETHNOPHARMACOLOGICAL RELEVANCE: Rosa rugosa Thunb is traditional Uygur medicine, it is widely used for regulating blood condition, nourishing liver and gallbladder in Uygur ancient prescription. But the mechanism of Rosa rugosa Thunb on diabetes is still unclear. In here, we studied the hypoglycemic effect and explained one probable pathway of polyphenols rich extract from Rosa rugosa Thunb (RPE) on diabetic rats. MATERIALS AND METHODS: In vitro, the effect of RPE on α-glucosidase inhibition was finished, and the antioxidant activity of RPE was evaluated by ABTS and DPPH assay...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28212844/thyroid-stimulating-hormone-increases-hepatic-gluconeogenesis-via-crtc2
#2
Yujie Li, Laicheng Wang, Lingyan Zhou, Yongfeng Song, Shizhan Ma, Chunxiao Yu, Jiajun Zhao, Chao Xu, Ling Gao
Epidemiological evidence indicates that thyroid stimulating hormone (TSH) is positively correlated with abnormal glucose levels. We previously reported that TSH has direct effects on gluconeogenesis. However, the underlying molecular mechanism remains unclear. In this study, we observed increased fasting blood glucose and glucose production in a mouse model of subclinical hypothyroidism (only elevated TSH levels). TSH acts via the classical cAMP/PKA pathway and CRTC2 regulates glucose homeostasis. Thus, we explore whether CRTC2 is involved in the process of TSH-induced gluconeogenesis...
February 14, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28211759/gamma-tocopherol-supplementation-ameliorated-hyper-inflammatory-response-during-the-early-cutaneous-wound-healing-in-alloxan-induced-diabetic-mice
#3
Jihyun Shin, Soo Jin Yang, Yunsook Lim
Delayed wound healing is one of the major diabetic complications. During wound healing process, the early inflammatory stage is important for better prognosis. One of antioxidant nutrient, gamma-tocopherol (GT) is considered to regulate inflammatory conditions. This study investigated the effect of GT supplementation on mechanism associated with inflammation, oxidative stress, and apoptosis during early cutaneous wound healing in diabetic mice. Diabetes was induced by alloxan injection in ICR mice. All mice were divided into three groups: non-diabetic control mice (CON), diabetic control mice (DMC), and diabetic mice supplemented with GT (GT)...
March 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28208599/medical%C3%A2-yoga%C3%A2-therapy
#4
REVIEW
Ina Stephens
Medical yoga is defined as the use of yoga practices for the prevention and treatment of  medical conditions. Beyond the physical elements of yoga, which are important and effective for  strengthening  the  body,  medical  yoga  also  incorporates  appropriate  breathing  techniques,  mindfulness, and meditation in order to achieve the maximum benefits. Multiple studies have  shown that yoga can positively impact the body in many ways, including helping to regulate blood  glucose levels, improve musculoskeletal ailments and keeping the cardiovascular system in tune...
February 10, 2017: Children
https://www.readbyqxmd.com/read/28207876/circulating-c1q-complement-tnf-related-protein-ctrp-1-ctrp9-ctrp12-and-ctrp13-concentrations-in-type-2-diabetes-mellitus-in-vivo-regulation-by-glucose
#5
Bo Bai, Bo Ban, Zunjing Liu, Man Man Zhang, Bee Kang Tan, Jing Chen
OBJECTIVES: The C1q complement/TNF-related protein (CTRP) superfamily, which includes the adipokine adiponectin, has been shown in animal models to have positive metabolic and cardiovascular effects. We sought to investigate circulating CTRP1, CTRP9, CTRP12 and CTRP13 concentrations in persons with type 2 diabetes mellitus (T2DM), with age and BMI matched controls, and to examine the effects of a 2 hour 75g oral glucose tolerance test (OGTT) on serum CTRP1, CTRP9, CTRP12 and CTRP13 levels in persons with T2DM...
2017: PloS One
https://www.readbyqxmd.com/read/28207836/tmg-123-a-novel-glucokinase-activator-exerts-durable-effects-on-hyperglycemia-without-increasing-triglyceride-in-diabetic-animal-models
#6
Yoshinori Tsumura, Yu Tsushima, Azusa Tamura, Makiko Hasebe, Masanobu Kanou, Hirotsugu Kato, Tsunefumi Kobayashi
Glucokinase (GK) plays a critical role for maintaining glucose homeostasis with regulating glucose uptake in liver and insulin secretion in pancreas. GK activators have been reported to decrease blood glucose levels in patients with type 2 diabetes mellitus. However, clinical development of GK activators has failed due to the loss of glucose-lowering effects and increased plasma triglyceride levels after chronic treatment. Here, we generated a novel GK activator, TMG-123, examined its in vitro and in vivo pharmacological characteristics, and evaluated its risks of aforementioned clinical issues...
2017: PloS One
https://www.readbyqxmd.com/read/28206714/opposite-effects-of-a-glucokinase-activator-and-metformin-on-glucose-regulated-gene-expression-in-hepatocytes
#7
Ziad H Al-Oanzi, Sophia Fountana, Tabassum Moonira, Susan J Tudhope, John L Petrie, Ahmed Alshawi, Gillian Patman, Catherine Arden, Helen L Reeves, Loranne Agius
AIM: Small molecule activators of glucokinase (GKAs) have been extensively explored as potential anti-hyperglycaemic drugs for type 2 diabetes (T2D). Several GKAs were remarkably effective at lowering blood glucose during early therapy but then lost their glycaemic efficacy chronically during clinical trials. We used rat hepatocytes to test the hypothesis that GKAs raise hepatocyte glucose 6-phosphate, (G6P, the glucokinase product) and down-stream metabolites with consequent repression of the liver glucokinase gene (Gck)...
February 16, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28197123/altered-regional-gray-matter-volume-in-obese-men-a-structural-mri-study
#8
Bin Zhang, Xiao Tian, Derun Tian, Jinhong Wang, Qiming Wang, Chunshui Yu, Chunbo Li, Jijun Wang
Obesity is associated with a number of health problems, especial insulin resistance and Type 2 diabetes. Our previous study showed that obese males had decreased neural activity in the orbital frontal cortex (OFC) and increased activity in the left putamen (Zhang et al., 2015b), which could indicate altered eating behaviors in obesity related to a hyper-functioning striatum and hypo-functioning inhibitory control. Accordingly, our goal of the current study was to determine whether there are alterations in the brain structures within these two neural systems in obese individuals...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28194153/nasal-polyp-derived-mesenchymal-stromal-cells-exhibit-lack-of-immune-associated-molecules-and-high-levels-of-stem-progenitor-cells-markers
#9
Pedro Wey Barbosa de Oliveira, Rogério Pezato, Juan Sebastian Henao Agudelo, Claudina Angela Perez-Novo, Wim Vanden Berghe, Niels Olsen Câmara, Danilo Candido de Almeida, Luís Carlos Gregorio
Mesenchymal stromal cells (MSCs) are considered adult progenitor stem cells and have been studied in a multitude of tissues. In this context, the microenvironment of nasal polyp tissue has several inflammatory cells, but their stroma compartment remains little elucidated. Hence, we isolated MSCs from nasal polyps Polyp-MSCs (PO-MSCs) and compared their molecular features and gene expression pattern with bone marrow-derived MSCs (BM-MSCs). Initially, both PO-MSCs and BM-MSCs were isolated, cultivated, and submitted to morphologic, differentiation, phenotypic, immunosuppressive, and gene expression assays...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28193839/metformin-promotes-amp-activated-protein-kinase-independent-suppression-of-%C3%AE-np63%C3%AE-and-inhibits-cancer-cell-viability
#10
Yong Yi, Deshi Chen, Juan Ao, Shengnan Sun, Min Wu, Xiaorong Li, Johann Bergholz, Yujun Zhang, Zhi-Xiong Xiao
The blood-glucose modifier metformin is used to treat type II diabetes and has also been shown to possess anti-cancer activities. Recent studies indicate that glucose deprivation can greatly enhance metformin-mediated inhibition of cell viability, but the molecular mechanism involved in this inhibition is unclear. In this study, we report that under glucose deprivation metformin inhibited expression of ΔNp63α, a p53 family member involved in cell adhesion pathways, resulting in disruption of cell-matrix adhesion and in subsequent apoptosis in human squamous carcinoma cells...
February 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28189115/n-3-polyunsaturated-fatty-acids-alleviate-high-glucose-mediated-dysfunction-of-endothelial-progenitor-cells-and-prevent-ischemic-injuries-both-in-vitro-and-in-vivo
#11
Shao-Chih Chiu, Che-Yi Chao, En-Pei Isabel Chiang, Jia-Ning Syu, Raymond L Rodriguez, Feng-Yao Tang
Hyperglycemia is associated with a reduced number of endothelial progenitor cells (EPCs) that impairs vascular function. Circulating EPCs play important roles in postnatal neovasculogenesis and the prevention of ischemic injury. Frequent consumption of fish oil (FO) that is abundant with eicosapentaenoic acid (EPA)/docosahexaenoic acid (DHA) is reportedly associated with an alleviation of diabetic complications and a lowered incidence of cardiovascular disease. The aim of this study was to examine whether N-3 polyunsaturated fatty acids such as EPA and DHA would reverse the high glucose-mediated dysfunction of EPCs in vitro and thereby prevent the ischemic injury that occurs under the hyperglycemic conditions in Type 2 diabetes (T2D) db(-/-) mice...
January 28, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28188788/angiopoietin-like-peptide-4-regulates-insulin-secretion-and-islet-morphology
#12
Hyun-Kyong Kim, Obin Kwon, Kyeong-Han Park, Kyung Jin Lee, Byung-Soo Youn, Seung-Whan Kim, Min-Seon Kim
Insulin secretion from pancreatic islet β-cells is primarily regulated by the blood glucose level, and also modulated by a number of biological factors produced inside the islets or released from remote organs. Previous studies have shown that angiopoietin-like protein 4 (Angptl4) controls glucose and lipid metabolism through its actions in the liver, adipose tissue, and skeletal muscles. In this present study, we investigated the possible role of Angptl4 in the regulation of insulin secretion from pancreatic islets...
February 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28186649/bone-morphogenetic-protein-7-bmp-7-augments-insulin-sensitivity-in-mice-with-type-ii-diabetes-mellitus-by-potentiating-pi3k-akt-pathway
#13
Tandrika Chattopadhyay, Rajiv Ranjan Singh, Sarika Gupta, Avadhesha Surolia
A direct link between development of insulin resistance and the presence of chronic inflammation, in case of obesity exists, with cytokines playing an important role in glucose metabolism. Members of TGF-β superfamily, including bone morphogenetic proteins (BMPs), have been shown to be involved in islet morphogenesis, establishment of β-cell mass and adipose cell fate determination. Here, we demonstrate a novel and direct role of BMP-4 and -7 in the regulation of glucose homeostasis and insulin resistance...
February 10, 2017: BioFactors
https://www.readbyqxmd.com/read/28185867/an-experimental-evaluation-of-the-role-of-the-stress-axis-in-mediating-predator-prey-interactions-in-wild-marine-fish
#14
Michael J Lawrence, Erika J Eliason, Jacob W Brownscombe, Kathleen M Gilmour, John W Mandelman, Steven J Cooke
The hypothalamic-pituitary-interrenal (HPI) axis, through corticosteroid secretion, is an integral mechanism regulating internal homeostasis when vertebrates are faced with a stressor. However, continued HPI-axis stimulation can produce homeostatic overload, where corticosteroids are detrimental to organismal function. This overload condition may play an important role in mediating predator-prey interactions, because chronically/previously stressed animals may have higher rates of predator-induced mortality...
February 6, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28183450/the-role-of-short-chain-fatty-acids-in-kidney-injury-induced-by-gut-derived-inflammatory-response
#15
REVIEW
Wei Huang, Luping Zhou, Hengli Guo, Youhua Xu, Yong Xu
It has been found that several circulating metabolites derived from gut microbiota fermentation associate with a systemic immuno-inflammatory response and kidney injury, which has been coined the gut-kidney axis. Recent evidence has suggested that short-chain fatty acids (SCFAs), which are primarily originated from fermentation of dietary fiber in the gut, play an important role in regulation of immunity, blood pressure, glucose and lipid metabolism, and seem to be the link between microbiota and host homeostasis...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28183271/association-in-a-chinese-population-of-a-genetic-variation-in-the-early-b-cell-factor-1-gene-with-coronary-artery-disease
#16
Yafei Li, Zhiyong Xie, Lei Chen, Jianjun Yan, Yao Ma, Liansheng Wang, Zhong Chen
BACKGROUND: Early B-cell factor 1 (EBF1) is a transcription factor expressed primarily during early B cell development. Previous studies have shown EBF1 regulates blood glucose and lipid metabolism in mice with diabetes and central adiposity. Recently, a genetic variation (rs36071027) located in an EBF1 gene intron was associated with carotid artery intima-media thickness. However, whether this polymorphism is actually linked with coronary artery disease (CAD) and its severity remains unclear...
February 10, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28181342/mrna-destabilization-improves-glycemic-responsiveness-of-transcriptionally-regulated-hepatic-insulin-gene-therapy-in-vitro-and-in-vivo
#17
Peter M Thulé, Yulin Lin, Dingwu Jia, Darin E Olson, Shiue-Cheng Tang, Athanassios Sambanis
BACKGROUND: Hepatic insulin gene therapy (HIGT) employing a glucose and insulin sensitive promoter to direct insulin transcription can lower blood sugars within 2 hours of an intra-peritoneal glucose challenge. However, post-challenge blood sugars frequently decline to below baseline. We hypothesize that this "over-shoot" hypoglycemia results from sustained translation of long-lived transgene message, and that reducing pro-insulin message half-life will ameliorate post-challenge hypoglycemia...
February 8, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/28180948/tributyltin-exposure-at-noncytotoxic-doses-dysregulates-pancreatic-%C3%AE-cell-function-in-vitro-and-in-vivo
#18
Ya-Wen Chen, Kuo-Cheng Lan, Jing-Ren Tsai, Te-I Weng, Ching-Yao Yang, Shing-Hwa Liu
Tributyltin (TBT) is an endocrine disruptor. TBT can be found in food and in human tissues and blood. Several animal studies revealed that organotins induced diabetes with decreased insulin secretion. The detailed effect and mechanism of TBT on pancreatic β-cell function still remain unclear. We investigated the effect and mechanism of TBT exposure at noncytotoxic doses relevant to human exposure on β-cell function in vitro and in vivo. The β-cell-derived RIN-m5F cells and pancreatic islets from mouse and human were treated with TBT (0...
February 8, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28176375/cryptotanshinone-inhibits-stat3-signaling-to-alleviate-cardiac-fibrosis-in-type-1-like-diabetic-rats
#19
Shih-Hsiang Lo, Chao-Tien Hsu, Ho-Shan Niu, Chiang-Shan Niu, Juei-Tang Cheng, Zhih-Cherng Chen
Cryptotanshinone is an active principal ingredient isolated from Salvia miltiorrhiza (Danshen), a medicinal plant used in China to treat cardiac disorders. The objective of this study was to investigate the effect of cryptotanshinone on myocardial fibrosis in diabetic rats. In streptozotocin-induced type 1 diabetic model hyperglycemic rats (STZ-treated rats), fasting blood glucose levels and heart weight/body weight ratio were markedly increased but both were not modified by cryptotanshinone. Additionally, cardiac performance in catheterized STZ-treated rats was improved...
February 8, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28167244/impact-of-risperidone-on-leptin-and-insulin-in-children-and-adolescents-with-autistic-spectrum-disorders
#20
Pornpen Srisawasdi, Natchaya Vanwong, Yaowaluck Hongkaew, Apichaya Puangpetch, Somlak Vanavanan, Boontarika Intachak, Nattawat Ngamsamut, Penkhae Limsila, Chonlaphat Sukasem, Martin H Kroll
OBJECTIVE: To evaluate the influence of dose and duration of risperidone treatment on cardiovascular and diabetes risk biomarkers in children and adolescents with autistic spectrum disorders (ASDs). DESIGN AND METHODS: In this cross-sectional analysis, a total of 168 ASDs patients (89% male) treated with a risperidone-based regimen for ≥12months were included. Blood samples were analyzed for glucose and lipid metabolic markers, adiponectin, leptin, prolactin, cortisol and high sensitive C-reactive protein...
February 3, 2017: Clinical Biochemistry
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