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Experimental and Clinical Endocrinology & Diabetes

Shahnaz Taghizadeh, Mohammad Alizadeh
The increasing prevalence of childhood obesity is a driving force behind the increase in adolescent's metabolic syndrome (MetS). Although there is no clear consensus about the pediatric definition for MetS, this syndrome is becoming very common among adolescents. It is characterized by insulin resistance (IR), dyslipidemia, abdominal obesity and hypertension, and is associated with a high risk of type 2 diabetes mellitus and CVD in adulthood. Due to the increasing prevalence of obesity, there is strong incentive to reduce the impact of the adverse health effects associated with MetS...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Alaaeldin Ahmed Hamza
No abstract text is available yet for this article.
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
(no author information available yet)
Aim To study the relationship of visceral adiposity index (VAI) and prediabetes and the power of which in predicting of prediabetes. Methods A cross-sectional epidemiological survey was conducted. All participants were divided into four groups: VAI and WC (both are normal), VAI↑ and WC (postcritical VAI and normal WC), VAI and WC↑ (Normal VAI and postcritical WC), and VAI↑ and WC↑ (postcritical VAI and postcritical WC). A multivariate logistic analysis was used to analyze the relationship between the four groups and prediabetes, and diabetes...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Katarína Šebeková, Melinda Csongová, Radana Gurecká, Zora Krivošíková, Jozef Šebek
We investigated whether metabolically healthy normal weight adults with central obesity display worse cardiometabolic profile compared with their centrally lean counterparts. This retrospective, cross-sectional study, comprised 1 135 subjects (64% females) aged 18-to-81 years, presenting ≤2 components of metabolic syndrome. They were classified as centrally lean (waist-to-height ratio (WHtR)<0.5 and waist circumference<80 cm in females and<94 cm in males) or presenting central obesity (WHtR ≥0...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Sok Kuan Wong, Kok-Yong Chin, Farihah Hj Suhaimi, Fairus Ahmad, Soelaiman Ima-Nirwana
Metabolic syndrome is a cluster of metabolic abnormalities including central obesity, hyperglycemia, hypertension, and dyslipidemia. A previous study has established that high-carbohydrate high-fat diet (HCHF) can induce MetS in rats. In this study, we modified components of the diet so that it resembled the diet of Southeast Asians. This study aimed to determine the effects of this modified HCHF diet on metabolic parameters in rats. Male Wistar rats (n=14) were randomised into two groups. The normal group was given standard rat chow...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Nina Riedel, Anne Lautenbach, Jan Wilhelm Wienecke, Oliver Mann, Jörg Flitsch, Jens Aberle
Purpose The purpose of this study is to study a heterogeneous group of obese patients undergoing Bariatric surgery(BS) and its impact on glycemic control. Secondary endpoints include changes in lipid profile and albuminuria. BS has shown to effectively reduce body-weight. However, the impact on obesity-related comorbidities varies strongly between individuals. Especially postoperative short- and long-term improvement of Diabetes is an active area of investigation. Methods We conducted a retrospective analysis from baseline to 24 months post bariatric surgery in our interdisciplinary obesity outpatient-clinic...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Golara Mirmasoumi, Mohammad Fazilati, Fatemeh Foroozanfard, Zahra Vahedpoor, Samaneh Mahmoodi, Mohsen Taghizadeh, Nazanin Kazemi Esfeh, Maryam Mohseni, Hassan Karbassizadeh, Zatollah Asemi
Objective This study was conducted to evaluate the effects of flaxseed oil omega-3 fatty acids supplementation on metabolic status of patients with polycystic ovary syndrome (PCOS). Methods This randomized double-blind, placebo-controlled trial was conducted on 60 women with PCOS according to the Rotterdam criteria aged 18-40 years old. Participants were randomly assigned into two groups to receive either 1,000 mg flaxseed oil omega-3 fatty acids (n=30) or placebo (n=30) twice a day for 12 weeks. Metabolic, endocrine, inflammatory factors were quantified at baseline and after the 12-week intervention...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Xiao-Li Ma, Lei Meng, Lin-Lin Li, Li-Na Ma, Xin-Min Mao
Free fatty acids (FFAs) participate in a variety of physiological functions. FFAs are associated with the development of type 2 diabetes mellitus (T2DM). Uyghurs and Kazaks have a different prevalence of T2DM, which cannot be explained by traditional risk factors. This study aimed to examine FFAs as potential biomarkers to distinguish between healthy and T2DM Uyghurs and Kazaks. This was a prospective study conducted at the Xianjiang Medical University from 01/2007 to 06/2010 in Uyghurs and Kazaks. The subjects were grouped as T2DM patients (Uyghurs: n=39; Kazaks, n=21) and controls (Uyghurs: n=35; Kazaks, n=40)...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Liang Lv, Shizhen Zhang, Yu Hu, Peizhi Zhou, Ling Gao, Mengmeng Wang, Zhen Sun, Cheng Chen, Senlin Yin, Xiujie Wang, Shu Jiang
Tumor-associated fibroblasts are the most abundant population in tumor stroma and impact on tumor initiation and progression. However, the biological function of tumor-associated fibroblasts in pituitary adenomas has not been fully elucidated to date. So, this study aims to clarify the function and significance of primary cultured pituitary adenoma-derived tumor-associated fibroblasts on rat pituitary adenoma cells. We identified primary cultured tumor-associated fibroblasts and normal fibroblasts based on the expression of α-smooth muscle actin as well as morphology...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Xuemei Lv, Qian Ren, Lingli Zhou, Yanyan Geng, Jia Song, A Mina, Basang Puchi, Senlin Yang, Shuyou Meng, Lihui Yang
Background In the general population, the absolute risk of lactic acidosis in patients treated with metformin appears to be low. However, in the Tibetan plateau, an extreme oxygen-deficient environment, there are no data available concerning the safety of metformin. The aim of our study is to assess the safety of metformin in people of the plateau area. Methods We conducted an observational cross-sectional study in Tibet. All the 166 subjects were divided into two groups: T2DM+metformin group and T2DM group...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Robert Krysiak, Witold Szkróbka, Bogusław Okopień
Background Levothyroxine and selenomethionine were found to reduce thyroid antibody titers in patients with Hashimoto's thyroiditis. The same effect was produced by intensive statin therapy. The aim of the present study was to assess whether hypolipidemic agents modulate the impact of thyroid hormone supplementation and selenomethionine on thyroid autoimmunity. Methods The study included 62 women with Hashimoto's thyroiditis treated for at least 6 months with levothyroxine and selenomethionine. On the basis of plasma lipids, women were divided into three groups: women with isolated hypercholesterolemia (group A; n=20), women with isolated hypertriglyceridemia (group B; n=17), and women with normal plasma lipids (group C; n=25)...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
O Dikker, S Bekpinar, Gul Ozdemirler, Mujdat Uysal, Muberra Vardar, Sevgi Atar, Murat Usta, Berrin Huner
Introduction Crosstalk between bone and adipose tissues is implicated in several pathologic conditions related to bone metabolism. Omentin-1, a 34-kD protein, is released from omental adipose tissue. A few studies indicated the effect of omentin-1 on bone health and bone mineral density (BMD) and the interaction of omentin-1 with vitamin D. Therefore, this study aimed to investigate the relationship between omentin-1, vitamin D, and BMD in postmenopausal women with osteoporosis compared with non-osteoporotic counterparts...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Pingan Chen, Lina Hou, Yishan Luo, Lushan Chen, Shaonan Li, Xiaoming Lei, Jiankai Huang, Daihong Wu
Background Serum 2-oxoglutarate can reflect the severity of chronic heart failure (CHF) in patients without diabetes. Whether this predictive role persists in type 2 diabetes mellitus (T2DM) patients is unclear. In this study, we investigated this predictive role in T2DM patients and whether 2-oxoglutarate can indicate the diastolic or systolic function of left ventricle. Methods One hundred eighty CHF patients (76 with T2DM) and 66 healthy controls were studied. 2-Oxoglutarate was assayed by liquid chromatography-mass spectrometry/mass spectrometry...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
Ning Yuan, Hai-Feng Zhang, Qi Wei, Ping Wang, Wei-Ying Guo
Background Recent studies have shown that dysfunction and decrease of regulatory T cells (Tregs) correlates with insulin resistance (IR), one of the most significant mechanisms for type 2 diabetes mellitus (T2DM). To examine potential relationships among Tregs, IR, blood lipid content, and related cytokines, we investigated the frequency of CD4+CD25+Foxp3+ Tregs, as well as expression levels of interleukin 10 (IL-10) and transforming growth factor-β (TGF-β) in newly diagnosed T2DM patients. Methods Fifty-one newly diagnosed T2DM patients and 55 control individuals were enrolled...
September 27, 2017: Experimental and Clinical Endocrinology & Diabetes
Rosenberg Nahum, Rosenberg Orit, Weizman Abraham, Veenman Leo, Gavish Moshe
The 18 kDa mitochondrial translocator protein (TSPO) ligands (10 µM), e. g., protoporphyrin IX, PK 11195 and FGIN-1-27, have different effects on metabolism and protein expression in human osteoblasts. In this study, we investigated the archetypical TSPO specific ligand Ro5-4864 (10 µM) effect in primary osteoblasts in culture aiming to further understand the TSPO role in these mature metabolically active cells.We found that following exposure to Ro5-4864, cellular [(18)F]-FDG incorporation and ATP content were reduced by 48% (p<0...
September 27, 2017: Experimental and Clinical Endocrinology & Diabetes
Feifei Mo, Guotao Hu, Wei Liu, Li He, Hailan Wang
Objective The aims of this study were to investigate the effects of the vasodilator prostaglandin E1 on microvascular permeability, the expression of vascular endothelial growth factor (VEGF), as well as the structural and functional changes of the peripheral nerve in diabetic rats. Methods Streptozotocin-induced diabetes mellitus were randomly divided into two groups and intraperitoneally received, once daily, an injection of prostaglandin E1 at 1.6 μg/kg in normal saline or the same volume of normal saline (diabetic control), respectively...
September 27, 2017: Experimental and Clinical Endocrinology & Diabetes
Pia Hermanns, Małgorzata Kumorowicz-Czoch, Helmut Grasberger, Samuel Refetoff, Joachim Pohlenz
Objective To elucidate the molecular mechanism which causes thyroid dysgenesis (TD) in a boy with brain-lung-thyroid syndrome. Design, patients, measurements We describe a patient with TD, respiratory disease and cerebral palsy who is heterozygous for mutations in two different genes, the PAX8 (p.E234K) and the NKX2.1 (p.A329GfsX108). In vitro studies were performed to functionally characterize these mutations. Congenital hypothyroidism (CH) was identified by neonatal screening associated with a hypoplastic thyroid gland...
September 27, 2017: Experimental and Clinical Endocrinology & Diabetes
Yi-Mei Jin, Shu-Zhu Zhao, Zhao-Long Zhang, Yao Chen, Xin Cheng, Manli Chuai, Guo-Sheng Liu, Kenneth Ka Ho Lee, Xuesong Yang
The incidence of gestational diabetes mellitus (GDM) has increased dramatically amongst multiethnic population. However, how gestational diabetes mellitus damages the developing embryo is still unknown. In this study, we used yolk sac membrane (YSM) model to investigate angiogenesis in the developing chick embryo. We determined that in the presence of high glucose, it retarded the growth and extension of the embryonic vascular plexus and it also reduced the density of the vasculature in yolk sac membrane model...
September 26, 2017: Experimental and Clinical Endocrinology & Diabetes
Helena H Chowdhury, Jelena Velebit, Igor B Mekjavic, Ola Eiken, Marko Kreft, Robert Zorec
Dipeptidyl peptidase 4 (DPP4) is a transmembrane glycoprotein involved in protein degradation. Due to its action on incretins, which increase insulin secretion, DPP4 is considered a therapeutic target for type 2 diabetes. Here we have studied the role of single and combined effects of hypoxia and inactivity on the expression of DPP4 in human adipose tissue of 12 adult normal-weight males. Fat biopsies were obtained at baseline and after each of three experimental campaigns. The results revealed that in isolated human preadipocytes the expression of DPP4 was significantly increased by exposure of participants to hypoxia...
September 26, 2017: Experimental and Clinical Endocrinology & Diabetes
Katarína Chalásová, Lukáš Pácal, Anna Pleskačová, Lucia Knopfová, Jitka Řehořová, Marie Tomandlová, Josef Tomandl, Kateřina Kaňková
Aim Pentose phosphate pathway (PPP) with key enzyme transketolase (TKT), represents a potentially 'protective' mechanism in hyperglycaemia. Diabetic kidney disease (DKD), a common complication of both type 1 and type 2 diabetes associated with significant morbidity and mortality, represents the most common cause of chronic kidney disease (CKD). We hypothesized that protective PPP action in diabetes and eventually even more severely in concomitant DKD might be compromised by limited intracellular availability of an active TKT cofactor thiamine diphosphate (TDP)...
September 26, 2017: Experimental and Clinical Endocrinology & Diabetes
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