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diabetes model

Balewgizie Sileshi Tegegne, Melkamu Merid Mengesha, Andreas A Teferra, Mamaru Ayenew Awoke, Tesfa Dejenie Habtewold
BACKGROUND: Diabetes mellitus (DM) poses a significant risk for the development of active tuberculosis (TB) and complicates its treatment. However, there is inconclusive evidence on whether the TB-DM co-morbidity is associated with a higher risk of developing multi-drug-resistant tuberculosis (MDR-TB). The aim of this meta-analysis was to summarize available evidence on the association of DM and MDR-TB and to estimate a pooled effect measure. METHODS: PubMed, Excerpta Medica Database (EMBASE), Web of Science, World Health Organization (WHO), and Global Health Library database were searched for all studies published in English until July 2018 and that reported the association of DM and MDR-TB among TB patients...
October 15, 2018: Systematic Reviews
Jillian Ashley-Martin, Linda Dodds, Tye E Arbuckle, Maryse F Bouchard, Gabriel D Shapiro, Mandy Fisher, Patricia Monnier, Anne-Sophie Morisset, Adrienne S Ettinger
BACKGROUND: Epidemiological and toxicological evidence suggests that maternal total arsenic (As) levels are associated with an elevated risk of gestational diabetes (GDM). Uncertainty remains regarding the metabolic toxicity of specific arsenic species, comprised of both organic and inorganic sources of arsenic exposure. OBJECTIVES: We assessed associations between speciated As and GDM using data from the Maternal-Infant Research on Environmental Chemicals (MIREC) Study...
October 12, 2018: Environment International
Eun Hee Kim, Hong-Kyu Kim, Sung-Jin Bae, Min Jung Lee, Jenie Yoonoo Hwang, Jaewon Choe, Chang Hee Jung, Woo Je Lee, Joong-Yeol Park
AIMS: Visceral fat accumulation is known to be an independent risk factor for type 2 diabetes. We aimed to determine the optimal cutoff values of visceral fat area (VFA) for predicting incident type 2 diabetes in Koreans. METHODS: Our study population consisted of 13,004 individuals initially free of type 2 diabetes the ages between 20 and 69 years, who underwent routine health examinations between January 2012 and December 2012 and returned for follow-up examinations between January 2016 and December 2016...
October 12, 2018: Diabetes Research and Clinical Practice
Helge Hebestreit, Erik Hj Hulzebos, Jane E Schneiderman, Chantal Karila, Steven R Boas, Susi Kriemler, Tiffany Dwyer, Margareta Sahlberg, Don S Urquhart, Larry C Lands, Felix Ratjen, Tim Takken, Liobou Varanistkaya, Viktoria Rücker, Alexandra Hebestreit, Jakob Usemann, Thomas Radtke
RATIONALE: The prognostic value of cardiopulmonary exercise testing (CPET) for survival in cystic fibrosis (CF) in the context of current clinical management, when controlling for other known prognostic factors is unclear. OBJECTIVES: To determine the prognostic value of CPET-derived measures beyond peak oxygen uptake (VO2peak) following rigorous adjustment for other predictors. MEASUREMENTS AND MAIN RESULTS: Data from 10 CF-centers in Australia, Europe and North America were collected retrospectively...
October 15, 2018: American Journal of Respiratory and Critical Care Medicine
Ting-Yun Lin, Jia-Sin Liu, Szu-Chun Hung
Background: Obesity is a risk factor for de novo chronic kidney disease (CKD) in the general population. Obesity has been increasingly prevalent in patients with CKD and may lead to further progression of pre-existing CKD. However, whether obesity is associated with the development of end-stage renal disease (ESRD) in patients with CKD is not well understood. Objective: We investigated the impact of obesity on ESRD (needing chronic dialysis treatment or pre-emptive renal transplantation) or all-cause mortality in patients with moderate to advanced CKD...
October 13, 2018: American Journal of Clinical Nutrition
Turki J Alharbi, Ayla M Tourkmani, Osama Abdelhay, Hesham I Alkhashan, Abdulrahman K Al-Asmari, Abdulaziz M Bin Rsheed, Sarah N Abuhaimed, Najeebuddin Mohammed, Abdulrhman N AlRasheed, Nouf G AlHarbi
AIMS: To compare the prevalence of vitamin B12 deficiency and peripheral neuropathy between two groups of type 2 diabetes mellitus (T2DM) patients treated with or without metformin, and to determine factors associated with vitamin B12 deficiency therapy and dietary intake of vitamin B12. METHODS: In this retrospective study, we recruited 412 individuals with T2DM: 319 taking metformin, and 93 non-metformin users. Demographics, dietary assessment for vitamin B12 intakes, and medical history were collected...
2018: PloS One
Zydrune Polianskyte-Prause, Tuomas A Tolvanen, Sonja Lindfors, Vincent Dumont, Mervi Van, Hong Wang, Surjya N Dash, Mika Berg, Jette-Britt Naams, Laura C Hautala, Harry Nisen, Tuomas Mirtti, Per-Henrik Groop, Kristiina Wähälä, Jukka Tienari, Sanna Lehtonen
Metformin, the first-line drug to treat type 2 diabetes (T2D), inhibits mitochondrial glycerolphosphate dehydrogenase in the liver to suppress gluconeogenesis. However, the direct target and the underlying mechanisms by which metformin increases glucose uptake in peripheral tissues remain uncharacterized. Lipid phosphatase Src homology 2 domain-containing inositol-5-phosphatase 2 (SHIP2) is upregulated in diabetic rodent models and suppresses insulin signaling by reducing Akt activation, leading to insulin resistance and diminished glucose uptake...
October 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Vincenzo Marzolla, Andrea Armani, Caterina Mammi, Alessandra Feraco, Massimiliano Caprio
Atherosclerosis is due to a chronic inflammatory response affecting vascular endothelium and is promoted by several factors such as hypertension, dyslipidemia, and diabetes. To date, there is evidence to support a role for circulating aldosterone as a risk factor for the development of cardiovascular disease. Transgenic mouse models have been generated to study cellular and molecular processes leading to atherosclerosis. In this manuscript, we describe a protocol that takes advantage of continuous infusion of aldosterone in ApoE-/- mice and generates atherosclerotic plaques in the aortic root after 4 weeks of treatment...
September 26, 2018: Journal of Visualized Experiments: JoVE
Jan Hajer, Marek Novák
Gastric dysmotility can be a sign of common diseases such as longstanding diabetes mellitus. It is known that the application of high-frequency low-energetic stimulation can help to effectively moderate and alleviate the symptoms of gastric dysmotility. The goal of the research was the development of a miniature, endoscopically implantable device to a submucosal pocket. The implantable device is a fully customized electronic package which was specifically designed for the purpose of experiments in the submucosa...
September 27, 2018: Journal of Visualized Experiments: JoVE
José Manuel Valdivielso, Conxita Jacobs-Cachá, María José Soler
PURPOSE OF REVIEW: The majority of end-stage renal disease including dialysis and kidney transplant patients are men. In contrast, the incidence of chronic kidney disease (CKD) is higher in women compared with men. In this review, we dissect the sex hormone levels and its effects on experimental models and patients with CKD. RECENT FINDINGS: Sex hormones are clearly involved in CKD progression to end-stage renal disease (ESRD). A significant reduction in lipid peroxidation as a mechanism of renoprotection has been observed in kidneys of streptozotocin (STZ)-diabetic ovariectomized rats after estradiol administration...
October 12, 2018: Current Opinion in Nephrology and Hypertension
Nordin M J Hanssen, Coen D A Stehouwer, Casper G Schalkwijk
PURPOSE OF REVIEW: Chronic kidney disease (CKD) remains a serious diabetic complication despite the use of widely employed interventions such as angiotensin-converting enzyme inhibitors and glucose-lowering treatments. Accumulation of methylglyoxal, a highly reactive glucose metabolite and a major precursor in the formation of advanced glycation end products, may link the hemodynamic, inflammatory, metabolic, and structural changes that drive diabetic CKD. Therefore, methylglyoxal may serve as a potential therapeutic target to prevent diabetic CKD...
October 12, 2018: Current Opinion in Nephrology and Hypertension
Jens Bohlken, Louis Jacob, Karel Kostev
BACKGROUND: There is a conflicting literature on the association between the use of antihyperglycemic drugs and dementia risk. OBJECTIVE: The goal of this case-control study was to analyze the association between the use of antihyperglycemic drugs and dementia risk in patients followed in general practices in Germany. METHODS: This study included patients with type 2 diabetes mellitus who had received a first dementia diagnosis in 972 general practices in Germany between January 2013 and December 2017 (index date)...
October 5, 2018: Journal of Alzheimer's Disease: JAD
Ya-Nan Song, Ping Wang, Wei Xu, Jie-Qiong Li, Xi-Peng Cao, Jin-Tai Yu, Lan Tan
BACKGROUND: The conclusions about risk factors for rapid cognitive decline (RCD) in Alzheimer's disease (AD) and mild cognitive impairment (MCI) remain contradictory. OBJECTIVE: To explore the factors predicting RCD in AD and MCI. METHODS: We searched the PubMed, EMBASE, and the Cochrane Library from inception to May 27, 2017 for studies investigating factors associated with faster cognitive progression in AD and MCI. Effect sizes were meta-analyzed using fixed-effects and random-effects models...
September 29, 2018: Journal of Alzheimer's Disease: JAD
Leo Niskanen, Timo Partonen, Anssi Auvinen, Jari Haukka
Aims: To characterize the burden of external causes of death attributable to alcohol-related causes, accidents and suicide among diabetic patients in a large national cohort. Methods: The population included diabetic individuals who had purchased and received reimbursement for at least one insulin prescription and/or one oral antidiabetic drug prescription between January 1997 and December 2010, and a non-diabetic reference population matched by sex, age and area...
October 12, 2018: European Journal of Endocrinology
Cheng Li, Xiao Miao, Yan Lou, Zhengyang Lu, Binay Kumar Adhikari, Yangwei Wang, Quan Liu, Jian Sun, Yonggang Wang
AIM: Diabetic cardiomyopathy is an independent cardiac injury that can develop in diabetic individuals. Our previous study showed that C66, a curcumin analogue, protects against diabetes-induced cardiac damage. The present study sought to reveal the underlying mechanisms of C66-mediated cardioprotection. METHODS: An experimental diabetic model was established using JNK2-/- and wild-type (WT) mice. C66 (5 mg/kg) was administered orally every other day for 3 months...
October 15, 2018: Journal of Cellular and Molecular Medicine
Xiaoxue Zhang, Jin Shang, Xiaoyang Wang, Genyang Cheng, Yumin Jiang, Dong Liu, Jing Xiao, Zhanzheng Zhao
Diabetic nephropathy (DN) is a highly complex syndrome involving multiple dysregulated biological processes. Long non‑coding RNAs (lncRNAs) are now believed to have an important function in various diseases. However, their roles in DN remain largely unknown. Therefore, the present study was performed in order to investigate the lncRNAs that have a crucial role in DN. db/db mice were used as a DN model while db/m mice served as a control to search for lncRNAs which may have important roles in DN. Microarray and bioinformatics analysis gave an overview of the features of differentially expressed genes...
October 4, 2018: Molecular Medicine Reports
Shiqin Peng, Ping Wei, Qun Lu, Rui Liu, Yue Ding, Jiuliang Zhang
The effects of propolis on blood glucose regulation and the alleviation of various complications caused by diabetes have been widely studied. The main source of propolis in the northern temperate zone is poplar buds. However, there is limited research on the antidiabetic activity of poplar buds. In order to evaluate the effect of poplar buds on type-2 diabetes, crude extract and 50% fraction of poplar buds were used to feed streptozotocin-induced type-2 diabetic mice. The results showed that 50% fraction could increase insulin sensitivity and reduce insulin resistance, as well as decrease the levels of fasting blood glucose, glycated hemoglobin, and glycosylated serum proteins in diabetic mice...
2018: Journal of Immunology Research
Radzisław Mierzyński, Dominik Dłuski, Łukasz Nowakowski, Elżbieta Poniedziałek-Czajkowska, Bożena Leszczyńska-Gorzelak
Objective: The aim of this study was to determine any changes in adiponectin and omentin levels in GDM patients who delivered at term and preterm and to evaluate whether adipokines can be useful as a clinical biomarker to predict subsequent preterm delivery. Patients and Methods: The levels of adiponectin and omentin were measured in four groups: (1) women with GDM who delivered at term (n=63); (2) women with GDM who had the symptoms of threatened preterm labor and delivered at term (n=23); (3) women with GDM and spontaneous preterm birth (before 37 completed weeks of gestation) (n=19); (4) women with physiological pregnancy (n=55)...
2018: BioMed Research International
Edgar Guevara, Juan Carlos Torres-Galván, Miguel G Ramírez-Elías, Claudia Luevano-Contreras, Francisco Javier González
Type 2 diabetes mellitus (DM2) is one of the most widely prevalent diseases worldwide and is currently screened by invasive techniques based on enzymatic assays that measure plasma glucose concentration in a laboratory setting. A promising plan of action for screening DM2 is to identify molecular signatures in a non-invasive fashion. This work describes the application of portable Raman spectroscopy coupled with several supervised machine-learning techniques, to discern between diabetic patients and healthy controls (Ctrl), with a high degree of accuracy...
October 1, 2018: Biomedical Optics Express
Jung-In Kim, Jeong-A Yun, Yoo-Kyung Jeong, Hee-Jin Baek
The hypoglycemic and hypolipidemic effects of samnamul were investigated. The α-glucosidase inhibitory activity of samnamul in vivo was determined in normal mice. Oral administration of samnamul extract (500 mg/kg) or acarbose (50 mg/kg) significantly reduced the postprandial glucose response. The effects of chronic consumption of samnamul on fasting hyperglycemia and dyslipidemia were determined in C57BL/6 J mice with diabetes mellitus induced by a high-fat/high-sucrose (HFHS) diet. Consumption of samnamul extract at 0...
October 2018: Food Science and Biotechnology
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