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https://www.readbyqxmd.com/read/29240830/a-low-fat-diet-ameliorates-pathology-but-retains-beneficial-effects-associated-with-cpt1b-knockout-in-skeletal-muscle
#1
Jaycob D Warfel, Bolormaa Vandanmagsar, Shawna E Wicks, Jingying Zhang, Robert C Noland, Randall L Mynatt
Inhibiting fatty acid oxidation is one approach to lowering glucose levels in diabetes. Skeletal muscle specific Carnitine Palmitoyltransferase 1b knockout mice (Cpt1bm-/-) comprise a model of impaired fat oxidation; and have decreased fat mass and enhanced glucose disposal and muscle oxidative capacity compared to controls. However, unfavorable effects occur relative to controls when Cpt1bm-/- mice are fed a 25% fat diet, including decreased activity and fat free mass and increased intramuscular lipid and serum myoglobin...
2017: PloS One
https://www.readbyqxmd.com/read/29240812/effects-of-vaspin-on-pancreatic-%C3%AE-cell-secretion-via-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#2
Shiwei Liu, Xin Li, Yaru Wu, Ruixue Duan, Jiaxin Zhang, Fang Du, Qi Zhang, Yuanbin Li, Naishi Li
Vaspin (visceral adipose tissue-derived serine protease inhibitor) is a recently discovered adipokine that has been implicated in diabetes mellitus and other metabolic disorders. However, the effects of vaspin on pancreatic β cell function and related mechanisms are not fully understood. Thus, the present study was performed to investigate the effects of vaspin on pancreatic β cell function and the potential underlying mechanisms. Both in vitro (rat insulinoma cells, INS-1) and in vivo (high fat diet fed rats) experiments were conducted...
2017: PloS One
https://www.readbyqxmd.com/read/29238465/genistein-preserves-the-lungs-of-ovariectomized-diabetic-rats-addition-to-apoptotic-and-inflammatory-markers-in-the-lung
#3
Faeze Daghigh, Alireza Alihemmati, Pouran Karimi, Parisa Habibi, Naser Ahmadiasl
Objectives: The role of isoflavones in pulmonary structure and function during menopause is not well studied. Moreover, the important role of estrogen in the physiological function of respiratory system has been revealed. Genistein, as an isoflavone, mimics estrogenic in diabetic and ovariectomized rats. Here, we hypothesized that genistein would reverse changes in the protein expression levels related to estrogen deficiency in the lung of ovariectomized diabetic rats. Materials and Methods: Wistar female rats were assigned to four experimental groups (n=10 in each group): sham, rats underwent laparotomy without removing the ovaries; OVX, rats that underwent ovariectomy; OVX...
December 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29238337/the-role-of-type-2-diabetes-for-the-development-of-pathogen-associated-cancers-in-the-face-of-the-hiv-aids-epidemic
#4
REVIEW
Melissa J Blumenthal, Sylvia Ujma, Arieh A Katz, Georgia Schäfer
The contribution of HIV to the development of pathogen-associated cancers has long been recognized, as has the contribution of type 2 diabetes for the development of several types of cancer. While HIV/AIDS-associated immunosuppression reduces immunosurveillance and indirectly contributes favorably to cancerogenesis, diabetes directly increases cancer development due to chronic low-grade inflammation, dysregulated glucose metabolism, hyperactivation of insulin-responsive pathways, and anti-apoptotic signaling...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29237763/bisphenol-a-phthalate-metabolites-and-glucose-homeostasis-in-healthy-normal-weight-children
#5
Amalie Carlsson, Kaspar Sørensen, Anna-Maria Andersson, Hanne Frederiksen, Anders Juul
INTRODUCTION: Bisphenol A and several of the most commonly used phthalates have been associated with adverse metabolic health effects such as obesity and diabetes. Therefore, we analyzed these man-made chemicals in first morning urine samples from 107 healthy normal-weight Danish children and adolescents. METHOD: This was a cross-sectional study. Participants were recruited as part of The COPENHAGEN Puberty Study. The subjects were evaluated by an oral glucose tolerance test (OGTT), a dualenergy X-ray absorptiometry (DXA) scan, direct oxygen uptake measurement during cycle ergometry, and fasting blood samples...
December 13, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/29237539/cdkn2a-deficiency-promotes-adipose-tissue-browning
#6
Nabil Rabhi, Sarah Anissa Hannou, Xavier Gromada, Elisabet Salas, Xi Yao, Frédérik Oger, Charlène Carney, Isabel C Lopez-Mejia, Emmanuelle Durand, Iandry Rabearivelo, Amélie Bonnefond, Emilie Caron, Lluis Fajas, Christian Dani, Philippe Froguel, Jean-Sébastien Annicotte
OBJECTIVES: Genome-wide association studies have reported that DNA polymorphisms at the CDKN2A locus modulate fasting glucose in human and contribute to type 2 diabetes (T2D) risk. Yet the causal relationship between this gene and defective energy homeostasis remains elusive. Here we sought to understand the contribution of Cdkn2a to metabolic homeostasis. METHODS: We first analyzed glucose and energy homeostasis from Cdkn2a-deficient mice subjected to normal or high fat diets...
December 1, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29236873/lychee-litchi-chinensis-sonn-peel-flour-effects-on-hepatoprotection-and-dyslipidemia-induced-by-a-hypercholesterolemic-diet
#7
Estela R Queiroz, Celeste M P DE Abreu, Denise A Rocha, Raimundo V DE Sousa, Rodrigo M Fráguas, Mariana A Braga, Pedro H S César
Dyslipidemias are associated with the incidence of cardiovascular diseases, obesity, diabetes, hypertension and hepatic steatosis, being the cause of morbidity and mortality. This study investigated the effects of lychee peel flour (PF) on serum levels of total cholesterol (TC), low-density lipoprotein (LDL-c), triacylglycerols (TAG) and various parameters related to obesity, in rats fed a hypercholesterolemic diet. Therefore, 20 male rats were used. In the first 21 days, the animals were fed a hypercholesterolemic diet, except for control group...
December 11, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29235014/increased-bile-acid-signals-after-duodenal-jejunal-bypass-improve-non-alcoholic-steatohepatitis-nash-in-a-rodent-model-of-diet-induced-nash
#8
Takahiro Tsuchiya, Takeshi Naitoh, Munenori Nagao, Naoki Tanaka, Kazuhiro Watanabe, Hirofumi Imoto, Tomohiro Miyachi, Fuyuhiko Motoi, Michiaki Unno
BACKGROUND: The increasing incidence of non-alcoholic steatohepatitis (NASH) has resulted in it becoming a common cause of liver-related mortality; however, no efficient treatment has been established. It has been reported that bariatric surgery improves metabolic comorbidities, such as diabetes mellitus and NASH. Although the mechanism is unclear, it is thought that the changes in bile acid (BA) signaling via its nuclear receptor, farnesoid X receptor (FXR), produce various metabolic effects...
December 12, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29234934/early-detection-of-left-ventricular-diastolic-dysfunction-using-conventional-and-speckle-tracking-echocardiography-in-a-large-animal-model-of-metabolic-dysfunction
#9
Mark M P van den Dorpel, Ilkka Heinonen, Sanne M Snelder, Hendrik J Vos, Oana Sorop, Ron T van Domburg, Daphne Merkus, Dirk J Duncker, Bas M van Dalen
Left ventricular (LV) diastolic dysfunction is one of the important mechanisms responsible for symptoms in patients with heart failure. The aim of the current study was to identify parameters that may be used to detect early signs of LV diastolic dysfunction in diabetic pigs on a high fat diet, using conventional and speckle tracking echocardiography. The study population consisted of 16 healthy Göttingen minipigs and 18 minipigs with experimentally induced metabolic dysfunction. Echocardiography measurements were performed at baseline and 3-month follow-up...
December 12, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29234684/changes-in-the-diaphragm-lipid-content-after-administration-of-streptozotocin-and-high-fat-diet-regime
#10
Bartlomiej Lukaszuk, Agnieszka Miklosz, Malgorzata Zendzian-Piotrowska, Beata Wojcik, Jan Gorski, Adrian Chabowski
The diaphragm is a dome-shaped skeletal muscle indispensable for breathing. Its activity contributes up to 70% of the total ventilatory function at rest. In comparison to other skeletal muscles, it is distinguished by an oxidative phenotype and uninterrupted cyclic contraction pattern. Surprisingly, the research regarding diaphragm diabetic phenotype particularly in the light of lipid-induced insulin resistance is virtually nonexistent. Male Wistar rats were randomly allocated into 3 groups: control, streptozotocin-induced (STZ) type-1 diabetes, and rodents fed with high-fat diet (HFD)...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29234430/antidyslipidemic-anti-inflammatory-and-antioxidant-activities-of-aqueous-leaf-extract-of-dioscoreophyllum-cumminsii-stapf-diels-in-high-fat-diet-fed-rats
#11
O B Ibitoye, U M Ghali, J B Adekunle, J N Uwazie, T O Ajiboye
Dioscoreophyllum cumminsii (Stapf) Diels leaves are widely used in the treatment of diabetes, obesity, and cardiovascular related complications in Nigeria. This study investigates the anti-inflammatory and antiobesity effect of aqueous extract of Dioscoreophyllum cumminsii leaves in high-fat diet- (HFD-) induced obese rats. HFD-fed rats were given 100, 200, and 400 mgkg-1 body weight of aqueous extract of Dioscoreophyllum cumminsii leaves for 4 weeks starting from 9th week of HFD treatment. D. cumminsii leaves aqueous extract reversed HFD-mediated decrease in the activities of superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, and glucose 6-phosphate dehydrogenase...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234372/hawthorn-leaf-flavonoids-protect-against-diabetes-induced-cardiomyopathy-in-rats-via-pkc-%C3%AE-signaling-pathway
#12
Qing Min, Yuting Bai, Yuchen Zhang, Wei Yu, Minli Zhang, Dongyang Liu, Tingting Diao, Wei Lv
Objectives: DCM has become one of the main reasons of death in diabetic patients. In this study, we aimed to explore the hawthorn leaf flavonoids (HLF) protective effect against diabetes-induced cardiac injury and the underlying mechanisms in experimental rats. Methods: Experimental diabetic model was induced by intraperitoneal injection of streptozotocin (STZ, 40 mg/kg) in rats after feeding with high-fat diet for 8 weeks. The diabetic rats received a 16-week treatment of different doses of HLF (50, 100, and 200)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29233806/mobile-health-technology-mdiab-for-the-prevention-of-type-2-diabetes-protocol-for-a-randomized-controlled-trial
#13
Shruti Muralidharan, Viswanathan Mohan, Ranjit Mohan Anjana, Sidhant Jena, Nikhil Tandon, Steven Allender, Harish Ranjani
BACKGROUND: The prevalence of type 2 diabetes is increasing in epidemic proportions in low- and middle-income countries. There is an urgent need for novel methods to tackle the increasing incidence of diabetes. The ubiquity of mobile phone use and access to Internet makes mobile health (mHealth) technology a viable tool to prevent and manage diabetes. OBJECTIVE: The objective of this randomized controlled trial is to implement and evaluate the feasibility, cost-effectiveness, and sustainability of a reality television-based lifestyle intervention program...
December 12, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29230944/improved-insulin-sensitivity-appears-to-remain-for-a-mean-of-four-years-following-islet-cell-transplant-for-type-1-diabetes
#14
Brett Rydzon, Rebecca S Monson, Jose Oberholzer, Krista A Varady, Melena D Bellin, Kirstie K Danielson
BACKGROUND: Impaired insulin sensitivity (IS) predicts complications and mortality in type 1 diabetes (T1D). IS improves shortly after islet cell transplant for type 1 diabetes, yet long-term changes in IS, and associated factors such as patient characteristics, transplant factors, clinical management, and IS-related biomarkers are unknown. METHODS: Up to nine years (mean four) of longitudinal data were available on 22 adults (18 female) with T1D who received 1-3 transplants in Phase 1/2 or 3 clinical trials (2004-2014)...
December 12, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29230931/temporal-changes-in-glycaemic-thresholds-for-treatment-intensification-in-type-2-diabetes-in-an-urban-australian-setting-the-fremantle-diabetes-study
#15
Timothy M E Davis, Stephen A P Chubb, Bradley H Curtis, Helen Barraclough, Wendy A Davis
BACKGROUND: Pharmacotherapy and supportive care for diabetes in Australia are improving, with potential beneficial effects on therapeutic procrastination. AIMS: To determine whether glycaemic thresholds for therapeutic intensification in type 2 diabetes changed over the 15 years between Phases of the community-based Fremantle Diabetes Study (FDS). METHODS: We studied 531 Phase 1 participants (mean age 62.4 years, 54.2% males, median diabetes duration 3...
December 12, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29230196/saxagliptin-induces-%C3%AE-cell-proliferation-through-increasing-stromal-cell-derived-factor-1%C3%AE-in-vivo-and-in-vitro
#16
Chun-Jun Li, Bei Sun, Qian-Hua Fang, Min Ding, Yun-Zhi Xing, Li-Ming Chen, De-Min Yu
Dipeptidyl peptidase-4 inhibitors, such as saxagliptin, have been reported to have beneficial effects on β-cell function, but the specific underlying mechanism remains unclear. Stromal cell-derived factor-1α (SDF-1α), a chemokine produced in multiple organs, has been considered as a crucial regulator in promoting β-cell survival. Here, we speculate that SDF-1α might mediate the effect of saxagliptin on improving β-cell function. After 12-week saxagliptin treatment in high-fat diet/streptozotocin-induced diabetic rats, significant improvement in pancreas insulin secretion capacity evaluated by hyperglycemia clamp and increased β-cell to α-cell areas ratio were observed...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29229955/effect-of-whole-milk-compared-with-skimmed-milk-on-fasting-blood-lipids-in-healthy-adults-a-3-week-randomized-crossover-study
#17
Sara Engel, Mie Elhauge, Tine Tholstrup
BACKGROUND/OBJECTIVES: Dietary guidelines have for decades recommended choosing low-fat dairy products due to the high content of saturated fat in dairy known to increase blood concentration of LDL cholesterol. However, meta-analyses including observational studies show no association between overall dairy intake and risk of cardiovascular disease and even point to an inverse association with type 2 diabetes. The objective was to compare the effects of whole milk (3.5% fat) with skimmed milk (0...
December 11, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29229807/sclerostin-influences-body-composition-by-regulating-catabolic-and-anabolic-metabolism-in-adipocytes
#18
Soohyun P Kim, Julie L Frey, Zhu Li, Priyanka Kushwaha, Meredith L Zoch, Ryan E Tomlinson, Hao Da, Susan Aja, Hye Lim Noh, Jason K Kim, Mehboob A Hussain, Daniel L J Thorek, Michael J Wolfgang, Ryan C Riddle
Sclerostin has traditionally been thought of as a local inhibitor of bone acquisition that antagonizes the profound osteoanabolic capacity of activated Wnt/β-catenin signaling, but serum sclerostin levels in humans exhibit a correlation with impairments in several metabolic parameters. These data, together with the increased production of sclerostin in mouse models of type 2 diabetes, suggest an endocrine function. To determine whether sclerostin contributes to the coordination of whole-body metabolism, we examined body composition, glucose homeostasis, and fatty acid metabolism in Sost-/- mice as well as mice that overproduce sclerostin as a result of adeno-associated virus expression from the liver...
December 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29229738/hdac5-integrates-er-stress-and-fasting-signals-to-regulate-hepatic-fatty-acid-oxidation
#19
Xinchen Qiu, Jian Li, Sihan Lv, Jiamin Yu, Junkun Jiang, Jindong Yao, Yang Xiao, Bingxin Xu, Haiyan He, Fangfei Guo, Zhen-Ning Zhang, Chao Zhang, Bing Luan
Disregulation of fatty acid oxidation, one of the major mechanisms to maintain hepatic lipid homeostasis under fasting conditions, leads to hepatic steatosis. Although obesity and type 2 diabetes-induced ER stress contributes to hepatic steatosis, it is largely unknown how ER stress regulates fatty acid oxidation. Here we show that fasting glucagon stimulates the dephosphorylation and nuclear translocation of HDAC5, where it interacts with PPARα and promotes transcriptional activity of PPARα. As a result, overexpression of HDAC5 but not PPARα binding-deficient HDAC5 in liver improves lipid homeostasis, while RNAi-mediated knockdown of HDAC5 deteriorates hepatic steatosis...
December 11, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/29229652/protocol-for-the-specialist-supervised-individualised-multifactorial-treatment-of-new-clinically-diagnosed-type-2-diabetes-in-general-practice-ida-a-prospective-controlled-multicentre-open-label-intervention-study
#20
Jacob Volmer Stidsen, Jens Steen Nielsen, Jan Erik Henriksen, Søren Gunnar Friborg, Reimar Wernich Thomsen, Thomas Bastholm Olesen, Michael Hecht Olsen, Henning Beck-Nielsen
INTRODUCTION: We present the protocol for a multifactorial intervention study designed to test whether individualised treatment, based on pathophysiological phenotyping and individualised treatment goals, improves type 2 diabetes (T2D) outcomes. METHODS AND ANALYSIS: We will conduct a prospective controlled multicentre open-label intervention study, drawing on the longitudinal cohort of the Danish Centre for Strategic Research in Type 2 Diabetes (DD2). New clinically diagnosed patients with T2D in the intervention group will be assigned to receive individualised treatment by their general practitioner...
December 10, 2017: BMJ Open
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