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Experimental and Clinical Endocrinology & Diabetes

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https://www.readbyqxmd.com/read/28926869/purification-and-characterization-of-the-soluble-form-of-the-receptor-for-advanced-glycation-end-products-srage-a-novel-fast-economical-and-convenient-method
#1
Varun Kumar, Alba Sulaj, Thomas Fleming, Peter P Nawroth
The receptor for advanced glycation end-products (RAGE) is a multi-ligand receptor which belongs to the pattern recognition receptor family and can bind to various ligands such as advanced glycation end-products (AGEs), members of the S100 protein family, glycosaminoglycans, amyloid β peptides, high-mobility group box-1 (HMGB1) and nucleic acids through its extracellular domain. The RAGE-ligand interaction leads to the activation of MAP kinase and NF-kB signaling pathways. Further ligand-induced up-regulation of RAGE is involved in various patho-physiological situations including late diabetic complications, Alzheimer disease and several other neurodegenerative diseases...
September 19, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28926868/polycystic-ovary-syndrome-pcos-in-juvenile-and-adult-type-1-diabetes-in-a-german-austrian-cohort
#2
Christina Reinauer, Esther Bollow, Elke Fröhlich-Reiterer, Katharina Laubner, Dominik Bergis, Christof Schöfl, Hans-Peter Kempe, Michael Hummel, Pia Hennes, Katja Gollisch, Holger Haberland, Nicolin Datz, Thomas Meissner, Reinhard W Holl
Context While an association between PCOS and type 2 diabetes is well established, to date there have been few data on clinical care of type 1 diabetes (T1D) patients with PCOS. Objective The aim of our study was to characterize T1D patients with the comorbidity of PCOS within the DPV cohort with regard to diabetes phenotype, therapy and metabolic control. Design and Setting Clinical data from the prospective German/Austrian DPV cohort on patients with T1D and documented PCOS (n=76) were compared to female T1D controls (n=32,566) in reproductive age...
September 19, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28926867/diabetes-associated-biobanking-more-topical-than-ever
#3
Katharina Lydia Kynast, Nadine Volk, Thomas Fleming, Esther Herpel
The increasing prevalence of diabetes and its accompanying long-term complications, as well as the associated economic burden, calls for a rapid clinical translation of biomedical research to better valid the physiological relevance of the findings from basic research. To meet this condition, the Collaborative Research Center (CRC) 1118 has established the first nationwide diabetes-specific Biomaterialbank (BMB) that permanently preserves solid and liquid specimen retro- and prospectively at the Institute of Pathology and Department of Endocrinology of the University Hospital Heidelberg...
September 19, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28926866/expression-of-imprinted-genes-kcnq1-and-cdkn1c-during-the-course-of-differentiation-from-mouse-embryonic-stem-cells-into-islet-like-cells-in-vitro
#4
Feng Liu, Peng Yu-Huan, Li Qiang, Liu Chanchan
To study the effects of inducement on the expression of mouse embryonic stem cells SF1-G imprinted genes, Kcnq1 and Cdkn1c during the course of differentiation into islet-like cells in vitro. Mouse embryonic fibroblasts (MEFs) were isolated from pregnant mice embryos and fibroblast feeder cells were prepared by treating 3-5th generations MEFs with Mitomycin C. Moreover, mouse embryonic stem cells were induced to differentiate into islet-like cells directly. RT-PCR and Immunofluorescence staining were used to test the expression of islet cell-specific markers...
September 19, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28926865/effects-of-hypoxia-during-continuous-and-intermittent-exercise-on-glycaemic-control-and-selected-markers-of-vascular-function-in-type-1-diabetes
#5
Barbara Hall, Aleksandra Zebrowska, Tomasz Kaminski, Arkadiusz Stanula, Anna Robins
Objectives The aim of the study was to assess the effect of continuous and intermittent exercise in hypoxia on glycaemic control and selected markers of vascular function in patients with Type 1 diabetes (T1D). Methods 12 patients suffering from T1D for 12.1±6.0 years and 12 healthy adults performed: continuous exercise (ExC) and intermittent exercise (ExInt) in normoxia and hypoxia (FiO₂=15.1%). Glycaemia and proangiogenic factors concentrations were measured at rest and immediately after exercise. Results T1D patients' glycaemia decreased in response to ExC (p<0...
September 19, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895644/relaxin-inhibits-cardiac-fibrosis-in-diabetic-rats-roles-of-protein-kinase-c%C3%AE
#6
Ping Wang, Meng Li, Lei Dong, Hui Chen, Wei Su, Yu-Peng Wang
Relaxin (Rlx) is known to antagonize diabetic cardiac fibrosis. However, its mechanism is poorly understood. Protein kinase Cδ (PKCδ) plays a crucial role in diabetic cardiomyopathy (DCM). This study explored the involvement of PKCδ in Rlx's capacity of suppressing cardiac fibrosis in a rat model of type 2 diabetes mellitus (DM). Type 2 DM of 8-week-old male Sprague-Dawley (SD) rats was induced by a high-fat diet and the injection of streptozocin (STZ, 40 mg/kg). Fourteen-week-old rats with DM and rats in control group which were pre-treated for 1 week with human recombinant relaxin (rhRlx, 30 μg/kg...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895643/thyroid-hormone-induced-expression-of-the-hepatic-scaffold-proteins-sestrin2-%C3%AE-klotho-and-frs2%C3%AE-in-relation-to-fgf21-ampk-signaling
#7
Luis A Videla, Romina Vargas, Barbara Riquelme, Javier Fernández, Virginia Fernández
Thyroid hormone (3,3',5-triiodothyronine, T3) accelerates energy metabolism in the liver through mechanisms involving upregulation of AMP-activated protein kinase (AMPK). This study aims to assess the influence of T3 on the expression of the scaffold proteins β-Klotho, fibroblast growth factor receptor substrate 2α (FRS2α), and Sestrin2 in relation to FGF21-AMPK signaling. Male Sprague-Dawley rats were given 0.1 mg T3/kg or hormone vehicle (controls) and studies were done 24 h after treatment. These include measurements of the mRNA expression (qPCR) of hepatic β-Klotho, FGF21, FGF21 receptor-1 (FGFR1), extracellular-signal-regulated kinase 1/2 (ERK1/2), FRS2α, ribosomal S6 kinase-1 (RSK1), liver kinase B1 (LKB1), AMPK, and Sestrin2...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895642/initiation-of-basal-insulin-analog-treatment-for-type-2-diabetes-and-reasons-behind-patients-treatment-persistence-behavior-real-world-data-from-germany
#8
Elisabeth Moennig, Magaly Perez-Nieves, Irene Hadjiyianni, Dachuang Cao, Jasmina Ivanova, Ralf Klask
Background Poor treatment persistence can affect the real-world effectiveness of insulin therapy. A cross-sectional online survey in 942 patients with type 2 diabetes from 7 different countries evaluated patient experience when initiating basal insulin and the reasons behind insulin persistence patterns. Here, we report the quantitative results for the subset of patients from Germany. Methods Adults with type 2 diabetes who had initiated basal insulin during the last 3-24 months, identified from market-research panels, participated in the survey...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895641/relationship-between-oxidative-stress-inflammation-and-dyslipidemia-with-fatty-liver-index-in-patients-with-type-2-diabetes-mellitus
#9
Aleksandra Klisic, Aleksandra Isakovic, Gordana Kocic, Nebojsa Kavaric, Milovan Jovanovic, Elvir Zvrko, Verica Skerovic, Ana Ninic
Introduction/Aim Considering the high prevalence of non-alcoholic fatty liver disease (NAFLD) in individuals with type 2 diabetes mellitus (DM2), we aimed to investigate the potential benefit of determining markers of oxidative stress, inflammation and dyslipidemia for prediction of NAFLD, as estimated with fatty liver index (FLI) in individuals with DM2. Methods A total of 139 individuals with DM2 (of them 49.9% females) were enrolled in cross-sectional study. Anthropometric and biochemical parameters, as well as blood pressure were obtained...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895640/the-application-of-sudoscan-for-screening-diabetic-peripheral-neuropathy-in-chinese-population-screening-dpn-by-sudoscan
#10
Jiewen Jin, Weimin Wang, Tianwei Gu, Wei Chen, Jing Lu, Yan Bi, Dalong Zhu
Purpose Diabetic peripheral neuropathies are the common chronic complications of diabetes, but the diagnosis is insensitive by physical examination in busy outpatients. Here we evaluated the performance of SUDOSCAN in screening diabetic peripheral neuropathies in Chinese type 2 diabetic patients. Methods The study enrolled 180 patients for annually screening. All patients underwent neurological symptoms assessment, clinical examination, nerve conduction studies and cardiovascular autonomic reflex tests. SUDOSCAN was tested and evaluated with electrochemical skin conductance in hands and feet, asymmetry ratio in hands and feet and predicted cardiac neuropathy...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895639/the-pi3k-akt1-foxo1-translocation-pathway-mediates-exf-effects-on-nit-1-cell-survival
#11
Guo-Jiang Hou, Cai-Na Li, Yi Huan, Shuai-Nan Liu, Quan Liu, Min-Zhi Liu, Zhu-Fang Shen
EXf, a glucagon-like peptide 1 (GLP-1) receptor agonist, stimulates β-cell proliferation and reduces apoptosis in diabetic animal models, but the underlying mechanisms are not fully understood. We constructed a FoxO1-GFP fusion protein expression plasmid and transiently transfected it into NIT-1 cells to investigate whether FoxO1 mediates EXf effects on NIT-1 cell survival. Our results showed that EXf could increase cell viability by inhibiting apoptosis and stimulating proliferation, and it could also promote the translocation of the FoxO1-GFP fusion protein from the nucleus to the cytoplasm in NIT-1 cells...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895638/gender-and-age-differences-in-lipid-profile-among-chinese-adults-in-nanjing-a-retrospective-study-of-over-230-000-individuals-from-2009-to-2015
#12
Tianwei Gu, Weihong Zhou, Jie Sun, Jing Wang, Dalong Zhu, Yan Bi
Background Previous national survey suggested that dyslipidemia is an increasing burden in China and more severe in urban population. In this study, we retrospectively analyzed the gender and age differences in lipids and lipoproteins in a large Chinese urban population in Nanjing city. Methods A total of 236, 945 adults (age ≥20 years old) who undertook a health check between 2009 and 2015 in our medical examination center were involved in the analysis. Fasting total cholesterol, high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol and triglyceride (TG) were measured by standard methods...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28895637/eating-frequency-and-carbohydrate-intake-in-adolescents-with-type-1-diabetes-differ-from-those-in-their-peers-and-are-associated-with-glycemic-control
#13
Christina Baechle, Annika Hoyer, Katty Castillo-Reinado, Anna Stahl-Pehe, Oliver Kuss, Reinhard W Holl, Mathilde Kersting, Joachim Rosenbauer
Aim The diet of people with type 1 diabetes may differ from that of healthy peers due to disease-related factors that may affect the course of diabetes. This cross-sectional study sought to compare meal and snacking frequency and corresponding carbohydrate intake among adolescents with intensively-treated type 1 diabetes and healthy peers and to analyze their association with glycemic control among diabetes patients. Methods Nutritional data of 712 11- to <19-year-olds from a nationwide population-based survey on early-onset type 1 diabetes (52...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28837971/mortality-and-its-causes-in-a-german-cohort-with-diabetes-mellitus-type-1-after-20-years-of-follow-up-the-jevin-trial
#14
Tabitha Heller, Christof Kloos, Thomas Lehmann, Ralf Schiel, Stefan Lorkowski, Gunter Wolf, Ulrich Alfons Müller, Nicolle Müller
Background The JEVIN trial started as a cross-sectional study in 1989/90 in Jena. After a follow-up of more than 20 years, the mortality incidence of JEVIN participants with type 1 diabetes was surveyed. Methods 103 (78.6%) of the 131 JEVIN patients participating at baseline could be examined. 38 persons (36.9%) had deceased. All JEVIN survey data and routine examinations documented in the electronic patient record EMIL® of surviving and deceased participants were used for analyses. We compared the data of the surviving with the deceased participants (follow-up time: 2,166 person-years)...
August 24, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28750433/effect-of-a-12-week-aerobic-exercise-training-on-serum-fetuin-a-and-adipocytokine-levels-in-type-2-diabetes
#15
Ling-Yun Zhang, Tao Liu, Ya-Qin Teng, Xiao-Yan Yao, Tian-Tian Zhao, Liang-Yan Lin, Qing-Song Jin, Yong-Jun Jin
Objective We aimed to evaluate the effect of 12-week aerobic exercise training on fetuin-A levels in type 2 diabetes mellitus and examine the relationships between fetuin-A and adipocytokine levels and cardiovascular risk factors. Methods The study included 32 patients with type 2 diabetes mellitus who were assigned to an exercise or a control group. The exercise group underwent 12 weeks of exercise (consisting of a 5-min warm-up, 60-min aerobic bicycle training performed at 70% of the maximal heart rate, a cool-down period, 5 times/week)...
July 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28750431/nitric-oxide-plasma-level-as-a-barometer-of-endothelial-dysfunction-in-factory-workers
#16
Seiko Miyata, Akiko Noda, Yuki Hara, Jun Ueyama, Kiyoyuki Kitaichi, Takaaki Kondo, Yasuo Koike
Objective Nitric oxide (NO) plays a key role in the regulation of vascular tone and is known as one of the key markers of endothelial dysfunction. We investigated the relationship between NO and risk factors of lifestyle-related disease in factory workers. Methods Our study included 877 factory workers presenting hypertension, dyslipidemia and type 2 diabetes. oxidated forms of NO, NO2-/NO3- (NOx) plasma concentrations were measured using a colorimetric method. Results NOx plasma levels in patients with lifestyle-related disease were significantly lower than those in the controls...
July 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28750430/prevalence-and-distribution-of-diabetes-mellitus-in-a-maximum-care-hospital-urgent-need-for-hba1c-screening
#17
Johannes Kufeldt, Marketa Kovarova, Michael Adolph, Harald Staiger, Michael Bamberg, Hans-Ulrich Häring, Andreas Fritsche, Andreas Peter
Objective Diabetes mellitus affects almost one in 10 individuals in Germany. So far, little is known about the diabetes prevalence in maximum care hospitals. We assessed the diabetes prevalence, proportion of undiagnosed cases, the effectiveness of diabetes screening in a university hospital, the consequences for hospital stay and acquired complications. Research Design and Methods Over a 4 week period we determined HbA1c from 3 733 adult patients which were hospitalized at the university hospital of Tuebingen and had an available blood sample...
July 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28750429/self-reported-hypoglycaemic-events-in-2%C3%A2-430-patients-with-insulin-treated-diabetes-in-the-german-sub-population-of-the-hat-study
#18
Werner Kern, Andreas Holstein, Christian Moenninghoff, Joachim Kienhöfer, Matthias Riedl, Bernhard Kulzer
Data concerning true hypoglycaemic incidence in insulin-treated patients with diabetes in real-world clinical practice are lacking in Germany. The aim of this analysis was to determine the incidence of hypoglycaemia experienced by the German cohort of patients enrolled in the global Hypoglycaemia Assessment Tool (HAT) study. This was a non-interventional, 6-month retrospective and 4-week prospective study using self-assessment questionnaires and patient diaries assessing patients aged ≥18 years in Germany, with type 1 diabetes (T1D) (n=811) or type 2 diabetes (T2D) (n=1 619) treated with insulin for >12 months...
July 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28750428/experiences-in-sensor-augmented-pump-therapy-in-families-with-two-children-with-type-1-diabetes-a-qualitative-study
#19
Franziska Bomba, Esther Müller-Godeffroy, Simone von Sengbusch
Background Caring for a child with type 1 diabetes is a tremendous challenge for a family. The aim of the study was to explore the experiences of transition to sensor-augmented pump therapy (SAP) in families with 2 affected children and the internal and external conditions which potentially impede or facilitate the adjustment process. Methods 5 families (9 parents, 8 children and adolescents) who used the SAP technology for 6 months were interviewed to describe their experiences. The interviews were analysed using thematic content analysis...
July 27, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28704858/comparison-of-hba1c-measurements-using-3-methods-in-75-patients-referred-to-one-outpatient-department
#20
Johannes Roth, Nicolle Müller, Thomas Lehmann, Klas Böer, Sven Löbel, Joachim Pum, Ulrich Alfons Müller
Objective HbA1c is the most important surrogate parameter to assess the quality of diabetes care and is also used for the diagnosis of diabetes mellitus (DM) since 2010. We investigated the comparability of 3 HbA1c methods in the city of Jena (Germany). Methods The HbA1c determination was carried out in 50 healthy subjects and 24 people with DM (age 51.2±16.3 years, HbA1c 6.8±2.2%) with 3 different hemoglobin A1c testing methods at 4 locations in one city. Our laboratory (HPLC method) served as a reference for comparing the results...
July 13, 2017: Experimental and Clinical Endocrinology & Diabetes
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