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https://www.readbyqxmd.com/read/27921426/-gestational-diabetes-mellitus
#1
Hana Krejčí
The present generation of women of childbearing age more frequently suffer from overweight, obesity, initial as well as fully established metabolic syndrome, which together with postponing motherhood until the third decade in life plays an important role in the increasing incidence of gestational diabetes (GDM) that currently affects about 1/5 of pregnant women. However the causal link between diabetes during pregnancy and metabolic diseases in the whole population is mutual. By way of epigenetic changes, maternal diabetes unfavourably programmes metabolism of the offspring, who tend to transfer the disorder to the next generations...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27893782/beneficial-effects-of-metformin-and-or-salicylate-on-palmitate-or-tnf%C3%AE-induced-neuroinflammatory-marker-and-neuropeptide-gene-regulation-in-immortalized-npy-agrp-neurons
#2
Wenqing Ye, Ernesto H Ramos, Brian C Wong, Denise D Belsham
Neuropeptide Y (NPY)/Agouti-related peptide (AgRP)-expressing neurons in the hypothalamus induce feeding and decrease energy expenditure. With consumption of a diet high in fat, there is an increase in circulating saturated free fatty acids, including palmitate, leading to the development of neuroinflammation and secretion of cytokines, such as TNFα, and in turn activation of the canonical IKKβ/NFκB cascade. We describe a model of palmitate- and TNFα-induced neuroinflammation in a functionally characterized, immortalized NPY/AgRP-expressing cell model, mHypoE-46, to study whether the anti-diabetic metformin alone or in combination with the anti-inflammatory agent salicylate can ameliorate these detrimental effects...
2016: PloS One
https://www.readbyqxmd.com/read/27886175/statistical-power-considerations-in-genotype-based-recall-randomized-controlled-trials
#3
Naeimeh Atabaki-Pasdar, Mattias Ohlsson, Dmitry Shungin, Azra Kurbasic, Erik Ingelsson, Ewan R Pearson, Ashfaq Ali, Paul W Franks
Randomized controlled trials (RCT) are often underpowered for validating gene-treatment interactions. Using published data from the Diabetes Prevention Program (DPP), we examined power in conventional and genotype-based recall (GBR) trials. We calculated sample size and statistical power for gene-metformin interactions (vs. placebo) using incidence rates, gene-drug interaction effect estimates and allele frequencies reported in the DPP for the rs8065082 SLC47A1 variant, a metformin transported encoding locus...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27869650/inhibiting-mitochondrial-respiration-prevents-cancer-in-a-mouse-model-of-li-fraumeni-syndrome
#4
Ping-Yuan Wang, Jie Li, Farzana L Walcott, Ju-Gyeong Kang, Matthew F Starost, S Lalith Talagala, Jie Zhuang, Ji-Hoon Park, Rebecca D Huffstutler, Christina M Bryla, Phuong L Mai, Michael Pollak, Christina M Annunziata, Sharon A Savage, Antonio Tito Fojo, Paul M Hwang
Li-Fraumeni syndrome (LFS) is a cancer predisposition disorder caused by germline mutations in TP53 that can lead to increased mitochondrial metabolism in patients. However, the implications of altered mitochondrial function for tumorigenesis in LFS are unclear. Here, we have reported that genetic or pharmacologic disruption of mitochondrial respiration improves cancer-free survival in a mouse model of LFS that expresses mutant p53. Mechanistically, inhibition of mitochondrial function increased autophagy and decreased the aberrant proliferation signaling caused by mutant p53...
November 21, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27852130/angelica-gigas-ameliorates-hyperglycemia-and-hepatic-steatosis-in-c57bl-ksj-db-db-mice-via-activation-of-amp-activated-protein-kinase-signaling-pathway
#5
Ui-Jin Bae, Eun-Kyung Choi, Mi-Ra Oh, Su-Jin Jung, Joon Park, Tae-Sung Jung, Tae-Sun Park, Soo-Wan Chae, Byung-Hyun Park
The prevention and management of type 2 diabetes mellitus has become a major global public health challenge. Decursin, an active compound of Angelica gigas Nakai roots, was recently reported to have a glucose-lowering activity. However, the antidiabetic effect of Angelica gigas Nakai extract (AGNE) has not yet been investigated. We evaluated the effects of AGNE on glucose homeostasis in type 2 diabetic mice and investigated the underlying mechanism by which AGNE acts. Male C57BL/KsJ-db/db mice were treated with either AGNE (10 mg/kg, 20 mg/kg, and 40 mg/kg) or metformin (100 mg/kg) for 8 weeks...
November 16, 2016: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/27836248/a-review-for-clinicians-prostate-cancer-and-the-antineoplastic-properties-of-metformin
#6
REVIEW
Stephen J Hankinson, Mina Fam, Nitin N Patel
OBJECTIVES: Metformin has numerous antineoplastic effects including an AMP-activated protein kinase-dependent mechanism, AMP-activated protein kinase-independent mechanisms, alteration of insulin and insulin-like growth factor signaling pathways, and suppression of androgen signaling pathways that trigger prostate cancer growth and proliferation. In contrast to other malignancies that are associated with increased incidence among patients with obesity and type II diabetes mellitus (T2DM), epidemiological studies suggest that obesity and T2DM may impart a protective effect on prostate cancer incidence by creating a set of metabolic conditions that lower androgen levels...
November 8, 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27827311/comparative-effectiveness-of-second-line-agents-for-the-treatment-of-diabetes-type-2-in-preventing-kidney-function-decline
#7
Adriana M Hung, Christianne L Roumie, Robert A Greevy, Carlos G Grijalva, Xulei Liu, Harvey J Murff, T Alp Ikizler, Marie R Griffin
BACKGROUND AND OBJECTIVES: Diabetes is the leading cause of ESRD. Glucose control improves kidney outcomes. Most patients eventually require treatment intensification with second-line medications; however, the differential effects of those therapies on kidney function are unknown. DESIGN, SETTING, PARTICIPANTS & MEASUREMENTS: We studied a retrospective cohort of veterans on metformin monotherapy from 2001 to 2008 who added either insulin or sulfonylurea and were followed through September of 2011...
November 8, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27815568/diabetes-drug-effects-on-the-skeleton
#8
Manju Chandran
Diabetes be it type 1 or type 2 is associated with an increased risk of fragility fractures. The mechanisms underlying this increased risk are just being elucidated. Anti-diabetes medications are crucial for maintaining glucose control and for preventing micro- and macrovascular complications in diabetes. However, they may modulate fracture risk in diabetes in different ways. Thiazolidinediones have demonstrated an unfavorable effect on the skeleton, while metformin and sulfonylureas may have a neutral if not beneficial effect on bone...
November 4, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27805009/metformin-uniquely-prevents-thrombosis-by-inhibiting-platelet-activation-and-mtdna-release
#9
Guang Xin, Zeliang Wei, Chengjie Ji, Huajie Zheng, Jun Gu, Limei Ma, Wenfang Huang, Susan L Morris-Natschke, Jwu-Lai Yeh, Rui Zhang, Chaoyi Qin, Li Wen, Zhihua Xing, Yu Cao, Qing Xia, Yanrong Lu, Ke Li, Hai Niu, Kuo-Hsiung Lee, Wen Huang
Thrombosis and its complications are the leading cause of death in patients with diabetes. Metformin, a first-line therapy for type 2 diabetes, is the only drug demonstrated to reduce cardiovascular complications in diabetic patients. However, whether metformin can effectively prevent thrombosis and its potential mechanism of action is unknown. Here we show, metformin prevents both venous and arterial thrombosis with no significant prolonged bleeding time by inhibiting platelet activation and extracellular mitochondrial DNA (mtDNA) release...
November 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27796775/the-healthy-living-partnerships-to-prevent-diabetes-and-the-diabetes-prevention-program-a-comparison-of-year-1-and-2-intervention-results
#10
Mara Z Vitolins, Scott P Isom, Caroline S Blackwell, Donna Kernodle, Joyce M Sydell, Carolyn F Pedley, Jeffrey A Katula, L Douglas Case, David C Goff
A number of research studies have attempted to translate the behavioral lifestyle intervention delivered in the Diabetes Prevention Program (DPP). To compare the active interventions of two trials, Diabetes Prevention Program DPP and Healthy Living Partnerships to Prevent Diabetes (HELP PD), after 1 and 2 years of intervention. DPP included 3234 adults with prediabetes randomized to intensive lifestyle intervention, metformin, troglitazone, or placebo. The lifestyle intervention, professionally delivered to individuals in a clinical setting, focused on diet and increased physical activity...
October 28, 2016: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/27788477/effect-of-dietary-supplementation-of-padauk-pterocarpus-soyauxii-leaf-on-high-fat-diet-streptozotocin-induced-diabetes-in-rats-brain-and-platelets
#11
Jamiyu A Saliu, Ganiyu Oboh, Olasunkanmi S Omojokun, João B T Rocha, Maria R Schetinger, Jessie Guterries, Naiara Stefanello, Fabiano Carvalho, Roberta Schmatz, Vera M Morsch, Aline Boligon
BACKGROUND: This study investigated the effects of Padauk leaf on brain malondialdehyde (MDA) content, acetylcholinesterase (AChE) activities, ectonucleotidases and adenosine deaminase (ADA) activities in the platelet of high fat diet and streptozotocin (STZ)-induced diabetic rats. METHODS: The animals were divided into six groups (n=7): normal control rats; diabetic rats+high fat diet (HFD); diabetic rats+HFD+Metformin; diabetic rats+HFD+acarbose; diabetic rats+HFD+10% Padauk leaf; normal rats+basal diet+10% Padauk leaf...
October 24, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27784733/comprehensive-analysis-of-established-dyslipidemia-associated-loci-in-the-diabetes-prevention-program
#12
Tibor V Varga, Alexandra H Winters, Kathleen A Jablonski, Edward S Horton, Prajakta Khare-Ranade, William C Knowler, Santica M Marcovina, Frida Renström, Karol E Watson, Ronald Goldberg, José C Florez, Toni I Pollin, Paul W Franks
BACKGROUND: -We assessed whether 234 established dyslipidemia-associated loci modify the effects of metformin treatment and lifestyle intervention (vs. placebo control) on lipid and lipid sub-fraction levels in the Diabetes Prevention Program (DPP) randomized controlled trial. METHODS AND RESULTS: -We tested gene-treatment interactions in relation to baseline adjusted follow-up blood lipid concentrations (high and low density lipoprotein cholesterol [HDL-C, LDL-C], total cholesterol, triglycerides) and lipoprotein sub-fraction particle concentrations and size in 2,993 participants with pre-diabetes...
October 26, 2016: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/27775209/metformin-confers-risk-reduction-for-developing-hepatocellular-carcinoma-recurrence-after-liver-resection
#13
Kun-Ming Chan, Chang-Fu Kuo, Jun-Te Hsu, Meng-Jiun Chiou, Yu-Chao Wang, Tsung-Han Wu, Chen-Fang Lee, Ting-Jung Wu, Hong-Shiue Chou, Wei-Chen Lee
BACKGROUND: Hepatocellular carcinoma recurrence following liver resection remains a great concern. The study aims to examine the chemopreventive effect of metformin in patients undergoing liver resection for hepatocellular carcinoma from a population-based study. METHODS: All patients registered as having hepatocellular carcinoma between January 1995 and December 2011 in a nationwide database were retrospectively analysed. Outcomes related to liver resection and the presence of diabetes mellitus were assessed...
October 24, 2016: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/27766700/use-of-statins-offsets-insulin-related-cancer-risk
#14
A Kautzky-Willer, S Thurner, P Klimek
AIM: There is firm evidence of a relation between type 2 diabetes (T2DM) and increased risks of cancer at various sites, but it is still unclear how different antihyperglycaemic therapies modify site-specific cancer risks. The aim of this study was to provide a complete characterization of all possible associations between individual T2DM therapies, statin use and site-specific cancers in the Austrian population. METHODS: Medical claims data of 1 847 051 patients with hospital stays during 2006-2007 were used to estimate age- and sex-dependent co-occurrences of site-specific cancer diagnoses and treatment with specific glucose-lowering drugs and statins...
October 21, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27749986/insulin-secretagogues-for-prevention-or-delay-of-type-2-diabetes-mellitus-and-its-associated-complications-in-persons-at-increased-risk-for-the-development-of-type-2-diabetes-mellitus
#15
REVIEW
Bianca Hemmingsen, David Peick Sonne, Maria-Inti Metzendorf, Bernd Richter
BACKGROUND: The projected rise in the incidence of type 2 diabetes mellitus (T2DM) could develop into a substantial health problem worldwide. Whether insulin secretagogues (sulphonylureas and meglitinide analogues) are able to prevent or delay T2DM and its associated complications in people at risk for the development of T2DM is unknown. OBJECTIVES: To assess the effects of insulin secretagogues on the prevention or delay of T2DM and its associated complications in people with impaired glucose tolerance, impaired fasting blood glucose, moderately elevated glycosylated haemoglobin A1c (HbA1c) or any combination of these...
October 17, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27738513/mixed-methods-study-of-engagement-in-behaviors-to-prevent-type-2-diabetes-among-employees-with-pre-diabetes
#16
Jeffrey T Kullgren, Megan Knaus, Kristi Rahrig Jenkins, Michele Heisler
BACKGROUND: Many employers use screenings to identify and recommend modification of employees' risk factors for type 2 diabetes, yet little is known about how often employees then engage in recommended behaviors and what factors influence engagement. We examined the frequency of, facilitators of, and barriers to engagement in recommended behaviors among employees found to have pre-diabetes during a workplace screening. METHODS: We surveyed 82 University of Michigan employees who were found to have pre-diabetes during a 2014 workplace screening and compared the characteristics of employees who 3 months later were and were not engaged in recommended behaviors...
2016: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/27737949/metformin-suppresses-diabetes-accelerated-atherosclerosis-via-the-inhibition-of-drp1-mediated-mitochondrial-fission
#17
Qilong Wang, Miao Zhang, Gloria Torres, Shengnan Wu, Changhan Ouyang, Zhonglin Xie, Ming-Hui Zou
Metformin is a widely used anti-diabetic drug that exerts cardiovascular protective effects in patients with diabetes. How metformin protects diabetes-related cardiovascular diseases remains poorly understood. Here, we show that metformin abated the progression of diabetes-accelerated atherosclerosis by inhibiting mitochondrial fission in endothelial cells.Metformin treatments markedly reduced mitochondrial fragmentation, mitigated mitochondrial-derived superoxide release, improved endothelial-dependent vasodilation, inhibited vascular inflammation, and suppressed atherosclerotic lesions in streptozotocin (STZ)-induced diabetic ApoE(-/-) mice...
October 13, 2016: Diabetes
https://www.readbyqxmd.com/read/27695899/sequential-cleavage-of-insulin-receptor-by-calpain-2-and-%C3%AE-secretase-impairs-insulin-signalling
#18
Tomoyuki Yuasa, Kikuko Amo-Shiinoki, Shuhei Ishikura, Mitsuyoshi Takahara, Takaaki Matsuoka, Hideaki Kaneto, Akio Kuroda, Munehide Matsuhisa, Seiichi Hashida
AIMS/HYPOTHESIS: Soluble insulin receptor (sIR), the ectodomain of the insulin receptor (IR), has been detected in human plasma and its concentration paralleled that of blood glucose. We have previously developed an in vitro model using HepG2 liver-derived cells, which mimics changes in sIR levels in plasma from diabetic patients and shows that calcium-dependent proteases cleave IR extracellularly (a process known as shedding). The present study aimed to reveal the mechanisms of IR cleavage...
September 30, 2016: Diabetologia
https://www.readbyqxmd.com/read/27669277/the-use-of-exenatide-in-managing-markers-of-cardiovascular-risk-in-patients-with-type-2-diabetes-a-systematic-review
#19
REVIEW
Omorogieva Ojo
OBJECTIVE: This review examines the use of exenatide twice daily in managing changes in markers of cardiovascular risk in patients with type 2 diabetes. BACKGROUND: Type 2 diabetes is a progressive metabolic disorder, which results from defects in insulin secretion and/or insulin action leading to chronic hyperglycaemia and associated cardiovascular complications. Despite the use of diet, exercise, oral antihyperglycaemic agents and insulin, the progressive nature of the condition means that the levels of the preventive and treatment measures would have to be increased and/or new therapies have to be developed in order to address the long term impact of type 2 diabetes...
2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27662780/metformin-prevents-glucotoxicity-by-alleviating-oxidative-and-er-stress-induced-cd36-expression-in-pancreatic-beta-cells
#20
Jun Sung Moon, Udayakumar Karunakaran, Suma Elumalai, In-Kyu Lee, Hyoung Woo Lee, Yong-Woon Kim, Kyu Chang Won
AIM/HYPOTHESIS: Cluster determinant 36 (CD36), a fatty acid transporter, was reported to have a pivotal role in glucotoxicity-induced beta cell dysfunction. However, little is known about how glucotoxicity influences CD36 expression, and it is unknown whether this action can be counteracted by metformin. In the present study, we showed that metformin counteracts glucotoxicity by alleviating oxidative and endoplasmic reticulum (ER) stress-induced CD36 expression. METHODS: We used primary rat islets as well as INS-1 cells for 72h to 24h with 30mM glucose, respectively...
September 9, 2016: Journal of Diabetes and its Complications
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