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John Peter Mitsios, Elif Ilhan Ekinci, Gregory Peter Mitsios, Leonid Churilov, Vincent Thijs
BACKGROUND: Diabetes mellitus is a major risk factor for ischemic stroke. Rising hemoglobin A1c (HbA1c ) levels are associated with microvascular diabetes mellitus complication development; however, this relationship has not been established for stroke risk, a macrovascular complication. METHODS AND RESULTS: We conducted a systematic review and meta-analysis of observational cohort and nested case-control cohort studies assessing the association between rising HbA1c levels and stroke risk in adults (≥18 years old) with and without type 1 or type 2 diabetes mellitus...
May 17, 2018: Journal of the American Heart Association
Jiun-Lu Lin, Kuo-Tzu Sung, Cheng-Huang Su, Tzu-Hsun Chou, Chi-In Lo, Jui-Peng Tsai, Shun-Chuan Chang, Yau-Huei Lai, Kuang-Chun Hu, Chia-Yuan Liu, Chun-Ho Yun, Chung-Lieh Hung, Hung-I Yeh, Carolyn S P Lam
BACKGROUND: Diabetes mellitus and pre-diabetes mellitus are associated with lower body mass indices and increased risk of cardiovascular events (including heart failure) at lower glucose thresholds in Chinese compared with Western cohorts. However, the extent of cardiac remodeling and regulation on cardiac mechanics in lean and nonlean dysglycemic Chinese adults is understudied. METHODS AND RESULTS: We studied 3950 asymptomatic Chinese (aged 49.7±10.7 years; 65% male; body mass index: 24...
May 2018: Circulation. Cardiovascular Imaging
Mieczyslaw Pokorski, Malgorzata Poździk, Andrea Mazzatenta
Inflammation, tissue hypoxia, and impaired hypoxic ventilatory response (HVR) are the intricately entwined features of diabetes which perpetuate the disease and its sequelae. Hyperglycemia, notably, is an oxygen consuming process due to enhanced cellular metabolism. Oxidative stress underlies diabetic pathogenesis and also is a crucial modulator of the hypoxic chemoreflex. The present study seeks to determine if suppressed ventilation in diabetes could be improved by antioxidant treatment. The study was performed in streptozotocin-induced diabetes in awake rats...
May 8, 2018: Respiratory Physiology & Neurobiology
Alessandra Capo, Marta Di Nicola, Erica Costantini, Marcella Reale, Paolo Amerio
BACKGROUND: Affecting vascular function, immune regulation, adipocyte and glucose metabolism, adipokines are essential partecipants in the pathogenesis of psoriatic comorbidities such as metabolic syndrome and insulin resistance. The aim of this study is to measure plasma levels of circulating apelin-36, a newly discovered peptide hormone acting on glucose metabolism and other adipokines in patients with mild to moderate psoriasis and in a control group. METHODS: Serum levels of apelin-36, RBP4, Visfatin, HMW Adiponectin, CRP, fasting glucose and insulin were measured in 19 consecutive patients with mild to moderate psoriasis and 17 healthy subjects...
May 10, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
P Souteiro, S Belo, S C Oliveira, J S Neves, D Magalhães, J Pedro, R Bettencourt-Silva, M M Costa, A Varela, J Queirós, P Freitas, D Carvalho
Male obesity is associated with decreased testosterone levels but the pathophysiological mechanisms behind this association are not completely understood. This study aimed to investigate the impact of hyperglycaemia/insulin resistance and sex hormone-binding globulin (SHBG) levels on testosterone levels in a population of obese men. We investigated the impact of several clinical, anthropometric and analytic measures on testosterone levels in 150 obese males. Testosterone deficiency was present in 52.0% of the enrolled patients...
May 9, 2018: Andrologia
Yun Shen, Peng Wang, Leishen Wang, Shuang Zhang, Huikun Liu, Weiqin Li, Nan Li, Wei Li, Junhong Leng, Jing Wang, Huiguang Tian, Cuilin Zhang, Jaakko Tuomilehto, Xilin Yang, Zhijie Yu, Gang Hu
Aims To compare risks of early postpartum diabetes and prediabetes in Chinese women with and without gestational diabetes mellitus (GDM) during pregnancy Subjects and methods Tianjin GDM observational study included 1263 women with a history of GDM and 705 women without GDM who participated in the urban GDM universal screening survey by using World Health Organization's criteria. Postpartum diabetes and prediabetes were identified after a standard oral glucose tolerance test. Cox proportional hazards regression was used to assess risks of postpartum diabetes and prediabetes between women with and without GDM...
May 9, 2018: European Journal of Endocrinology
Danting Li, Haoche Wei, Hongmei Xue, Jieyi Zhang, Mengxue Chen, Yunhui Gong, Guo Cheng
BACKGROUND: Recent epidemiological studies have suggested inverse associations between vitamin D status and metabolic diseases including type 2 diabetes (T2DM). The aim of this study was to examine whether a higher serum 25-hydroxyvitamin D (25(OH)D) was associated with a more favorable glucose homeostasis among adults without diabetes in Southwest China. METHODS: Serum 25(OH)D concentration was measured in a cross-sectional sample of 1514 adults without diabetes aged 25-65 years recruited from Southwest China...
May 9, 2018: BMC Endocrine Disorders
Yi-Tian Wu, He He, Xia Wang, Mei Zhang, Zhen-Mei An, Heng-Jian Huang
OBJECTIVE: To determine the correlation between serum uric acid (SUA) and insulin secretion function in patients with pre-diabetes and type-2 diabetes mellitus (T2DM). METHODS: A total of 4 112 adult people participated in this study. They were divided into three groups according to the results of oral glucose tolerance test (OGTT): 493 with normal glucose regulation (NGR),1 251 with impaired glucose regulation (IGR),and 2 368 with T2DM. Their levels of SUA,fasting insulin (FIns),2 h post-meal insulin (2 h-Ins),and insulin resistance index (HOMA-IR) were determined...
January 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
Óscar Julián Arias-Mutis, Patricia Genovés, Conrado J Calvo, Ana Díaz, Germán Parra, Luis Such-Miquel, Luis Such, Antonio Alberola, Francisco Javier Chorro, Manuel Zarzoso
In recent years, obesity and metabolic syndrome (MetS) have become a growing problem for public health and clinical practice, given their increased prevalence due to the rise of sedentary lifestyles and unhealthy eating habits. Thanks to animal models, basic research can investigate the mechanisms underlying pathological processes such as MetS. Here, we describe the methods used to develop an experimental rabbit model of diet-induced MetS and its assessment. After a period of acclimation, animals are fed a high-fat (10% hydrogenated coconut oil and 5% lard), high-sucrose (15% sucrose dissolved in water) diet for 28 weeks...
April 20, 2018: Journal of Visualized Experiments: JoVE
D Aune, S Schlesinger, T Norat, E Riboli
BACKGROUND: Although diabetes mellitus is an established risk factor for myocardial infarction and stroke, data on the association with sudden cardiac death are less extensive and the findings have not been entirely consistent. We therefore conducted a systematic review and meta-analysis of prospective studies on diabetes mellitus and risk of sudden cardiac death. METHODS AND RESULTS: PubMed and Embase databases were searched up to July 18th 2017. Prospective studies that reported adjusted relative risk (RR) estimates and 95% confidence intervals (CIs) for the association between a diabetes diagnosis or pre-diabetes and risk of sudden cardiac death were included...
February 24, 2018: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Snizhana V Feisa, Ivan V Chopei
OBJECTIVE: Introduction: The prevalence of non-alcoholic fatty liver disease (NAFLD) is 25-30% in the general population and more than 75% among patients with carbohydrate metabolism disorders. One in six patients with NAFLD has concomitant subclinical hypothyroidism. The aim is to compare lipid and carbohydrate metabolism states in patients with NAFLD depending on the functional state of the thyroid gland. PATIENTS AND METHODS: Materials and methods:215 patients with NAFLD and type 2 diabetes mellitus (T2-DM) or pre-diabetes (PD) were involved in study and devided into 6 groups according to the functional state of the thyroid gland...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Sitian He, Songcheng Yu, Zonglei Zhou, Chongjian Wang, Yongjun Wu, Wenjie Li
Increasing epidemiological studies suggest that there is an association between vitamin D deficiency and risk of type 2 diabetes mellitus (T2DM). Therefore, randomized clinical trials (RCTs) have been performed to observe the effect of vitamin D supplementation on preventing T2DM, decreasing fasting plasma glucose (FPG) and improving insulin resistance to confirm the association between vitamin D and T2DM. However, the results of RCTs on controlling FPG level, improving insulin resistance and preventing T2DM in non-diabetics are inconsistent...
May 2018: Biomedical Reports
David W Freeman, Nicole Noren Hooten, Erez Eitan, Jamal Green, Nicolle A Mode, Monica Bodogai, Yongqing Zhang, Elin Lehrmann, Alan B Zonderman, Arya Biragyn, Josephine Egan, Kevin G Becker, Mark P Mattson, Ngozi Ejiogu, Michele K Evans
Type 2 diabetes mellitus is a chronic age-associated degenerative metabolic disease that reflects relative insulin deficiency and resistance. Extracellular vesicles (EVs; exosomes, microvesicles and apoptotic bodies) are small (50-400 nM) lipid-bound vesicles capable of shuttling functional proteins, nucleic acids, and lipids as part of intercellular communication systems. Recent studies in mouse models and in cell culture suggest that EVs may modulate insulin signaling. Here, we designed cross-sectional and longitudinal cohorts of euglycemic, pre-diabetic and diabetic participants...
May 2, 2018: Diabetes
Linnea A Polgreen, Christopher Anthony, Lucas Carr, Jacob E Simmering, Nicholas J Evans, Eric D Foster, Alberto M Segre, James F Cremer, Philip M Polgreen
INTRODUCTION: Activity-monitoring devices may increase activity, but their effectiveness in sedentary, diseased, and less-motivated populations is unknown. METHODS: Subjects with diabetes or pre-diabetes were given a Fitbit and randomized into three groups: Fitbit only, Fitbit with reminders, and Fitbit with both reminders and goal setting. Subjects in the reminders group were sent text-message reminders to wear their Fitbit. The goal-setting group was sent a daily text message asking for a step goal...
2018: PloS One
Melinda S Yates, Adriana M Coletta, Qian Zhang, Rosemarie E Schmandt, Meena Medepalli, Denise R Nebgen, Beth Soletsky, Andrea Milbourne, Erma Levy, Bryan M Fellman, Diana L Urbauer, Ying Yuan, Russell R Broaddus, Karen Basen-Engquist, Karen Lu
Obesity increases risk of endometrial cancer through dysregulation of estrogen and insulin signaling. The primary aim of this study was to evaluate the impact of metformin or lifestyle intervention on endometrial proliferation in postmenopausal obese women. Secondary aims included evaluating obesity-related biomarkers and adverse events experienced. Obese, postmenopausal women with pre-diabetes were randomized into four groups for a 16-week intervention using a 2 (metformin 1700 mg/day vs placebo) x 2 (lifestyle intervention vs no lifestyle intervention) factorial design...
May 1, 2018: Cancer Prevention Research
Ali Naseribafrouei, Bent-Martin Eliassen, Marita Melhus, Johan Svartberg, Ann Ragnhild Broderstad
The aim of this study was to determine and compare the prevalence of pre-diabetes and type 2 diabetes mellitus (T2DM) among Sami and non-Sami men and women of rural districts in Northern Norway. The SAMINOR 2 Clinical Survey is a cross-sectional population-based study performed in 2012-2014 in 10 municipalities of Northern Norway. A total of 12,455 Sami and non-Sami inhabitants aged 40-79 years were invited to participate and 5878 were included in the analyses. Participants with self-reported T2DM and/or a glycated haemoglobin (HbA1c) result ≥6...
December 2018: International Journal of Circumpolar Health
Ashlesha Bhide, Sriram Muthukumar, Amreek Saini, Shalini Prasad
A lancet-free, label-free biosensor for simultaneous detection of sweat glucose and alcohol was demonstrated using zinc oxide thin films integrated into a nanoporous flexible electrode system. Sensing was achieved from perspired human sweat at low volumes (1-3 μL), comparable to ambient conditions without external stimulation. Zinc oxide thin film electrodes were surface functionalized with alcohol oxidase enzyme and with glucose oxidase enzyme towards developing an affinity biosensor specific to the physiological relevant range of alcohol comprising of 0-2 drinks (0-50 mg/dl) and physiologically relevant range of glucose ranging from hypo- to hyper-glycaemia (50-130 mg/dl) in perspired human sweat...
April 25, 2018: Scientific Reports
Feng-Yi He, Chao-Gang Chen, Diao-Zhu Lin, Xiu-Hong Lin, Yi-Qin Qi, Li Yan
Few prospective studies evaluating the association between dietary glycemic load (GL) and diabetes have accounted for changes in GL. However, the diet of patients could be modified in response to an awareness of pre-diabetes. The aim of this study was to examine the longitudinal associations between changes in GL and the incidence of diabetes among pre-diabetic patients. We hypothesized that subjects with low and high baseline GL would show different correlations with diabetes. A total of 493 pre-diabetic patients (142 men and 351 women) between 40 and 79 years of age were included in this study...
March 23, 2018: Nutrition Research
Siyuan Kong, Jinxue Ruan, Kaiyi Zhang, Bingjun Hu, Yuzhu Cheng, Yubo Zhang, Shulin Yang, Kui Li
Background: Type 2 diabetes is characterized by insulin resistance accompanied by defective insulin secretion. Transgenic mouse models play an important role in medical research. However, single transgenic mouse models may not mimic the complex phenotypes of most cases of type 2 diabetes. Methods: Focusing on genes related to pancreatic islet damage, peripheral insulin resistance and related environmental inducing factors, we generated single-transgenic (C/EBP homology protein, CHOP) mice (CHOP mice), dual-transgenic (human islet amyloid polypeptide, hIAPP; CHOP) mice (hIAPP-CHOP mice) and triple-transgenic (11β-hydroxysteroid dehydrogenase type 1, 11β-HSD1; hIAPP; CHOP) mice (11β-HSD1-hIAPP- CHOP mice)...
2018: PeerJ
B H Sudasinghe, C N Wijeyaratne, P S Ginige
AIMS: To quantify short and long-term outcomes of Gestational Diabetes Mellitus (GDM) among South Asians METHODS: Prospective cohort-study in Gampaha District, Sri Lanka following a community-prevalence study (WHO 1999 criteria). All women with GDM (exposed) and within sample non-GDM (non-exposed) were recruited. Data was gathered at selected intervals until one-year post-partum by interviewer-administered questionnaire, anthropometry, blood pressure, post-partum 75gOGTT and cholesterol...
April 18, 2018: Diabetes Research and Clinical Practice
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