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HbA1c assays

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https://www.readbyqxmd.com/read/29032524/patterns-and-levels-of-platelet-glycosylation-in-patients-with-coronary-heart-disease-and-type-2-diabetes-mellitus
#1
Liping Li, Chenxue Qu, Xuelian Wu, Juhua Dai, Yao Lu, Yan Gong, Ran You, Yaqi Liu
Coronary heart disease (CHD) and diabetes mellitus (DM) have high reactivity of platelets and an increased risk of thrombosis. Platelet glycosylation is closely related to platelet function and survival. However, the alteration of platelet glycosylation in CHD and T2DM still remains unknown. Platelet samples were obtained from 55 healthy controls and 102 patients, including 33 CHD, 30 T2DM and 39 CHD complicated with T2DM (CHD + T2DM). Platelet glycosylation was detected using eight-lectin based assay by flow cytometry...
October 14, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29028997/serum-quantitative-proteomic-analysis-reveals-soluble-egfr-to-be-a-marker-of-insulin-resistance-in-male-mice-and-humans
#2
Mayu Kyohara, Jun Shirakawa, Tomoko Okuyama, Ayuko Kimura, Yu Togashi, Kazuki Tajima, Hisashi Hirano, Yasuo Terauchi
To identify circulating factors as candidates involved in type 2 diabetes (T2DM), we conducted two different quantitative proteomic analyses: 1) db/db mouse sera were compared with db/+ mouse sera obtained at 4, 8, 12, and 24 weeks of age, and 2) db/db mouse sera from animals treated with liraglutide were compared with sera from animals without liraglutide treatment. 20 and eight proteins were differentially expressed in db/db mouse sera in the first experiment and in db/db mouse sera after liraglutide treatment in the second experiment, respectively...
October 5, 2017: Endocrinology
https://www.readbyqxmd.com/read/29022248/coxsackievirus-b4-as-a-causative-agent-of-diabetes-mellitus-type-1-is-there-a-role-of-inefficiently-treated-drinking-water-and-sewage-in-virus-spreading
#3
Waled M El-Senousy, Adel Abdel-Moneim, Mahmoud Abdel-Latif, Mohamed H El-Hefnawy, Rehab G Khalil
This study proposed to detect the enterovirus (EV) infection in children with type 1 diabetes mellitus (T1D) and to assess the role of insufficiently treated water and sewage as sources of viral spreading. Three hundred and eighty-two serum specimens of children with T1D, one hundred serum specimens of children who did not suffer from T1D as control, and forty-eight water and sewage samples were screened for EV RNA using nested RT-PCR. The number of genome copies and infectious units of EVs in raw and treated sewage and water samples were investigated using real-time (RT)-PCR and plaque assay, respectively...
October 11, 2017: Food and Environmental Virology
https://www.readbyqxmd.com/read/28994284/gastro-resistant-insulin-receptor-binding-peptide-from-momordica-charantia-improved-the-glucose-tolerance-in-streptozotocin-induced-diabetic-mice-via-insulin-receptor-signaling-pathway
#4
Hsin-Yi Lo, Chia-Cheng Li, Feng-Yuan Chen, Jaw-Chyun Chen, Chien-Yun Hsiang, Tin-Yun Ho
Momordica charantia is a commonly used food and has been used for the management of diabetes. Our previous study has identified an insulin receptor (IR)-binding protein (mcIRBP) from Momordica charantia. Here we identified the gastro-resistant hypoglycemic bioactive peptides from protease-digested mcIRBP. By in vitro digestion and IR kinase activity assay, we found that a 9-amino-acid-residue peptide, mcIRBP-9, was a gastro-resistant peptide that enhanced IR kinase activities. mcIRBP-9 activated IR signaling transduction pathway, resulting in the phosphorylation of IR, the translocation of glucose transporter 4, and the uptake of glucose in cells...
October 10, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28977159/is-fibroblast-growth-factor-23-a-new-cardiovascular-risk-marker-in-gestational-diabetes
#5
Muhammed Kizilgul, Seyfullah Kan, Selvihan Beysel, Mahmut Apaydin, Ozgur Ozcelik, Mustafa Caliskan, Mustafa Ozbek, Seyda Ozdemir, Erman Cakal
OBJECTIVE: This study was designed to compare the serum levels of fibroblast growth factor 23 (FGF23) among patients with gestational diabetes mellitus (GDM) and healthy pregnant women, and to evaluate the association between hormonal and metabolic parameters. SUBJECTS AND METHODS: A total of 82 pregnant women were consecutively enrolled in the study. Of these, 46 were diagnosed as having GDM; the remaining 36 healthy pregnant women served as controls in a cross-sectional study design...
September 18, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28960774/the-bdnf-val66met-polymorphism-is-associated-with-lower-bmi-lower-postprandial-glucose-levels-and-elevated-carbohydrate-intake-in-children-and-adolescents
#6
A Kalenda, K Landgraf, D Löffler, P Kovacs, W Kiess, A Körner
BACKGROUND: The amino acid-changing exonic variant rs6265 (Val66Met polymorphism) in the brain-derived neurotrophic factor (BDNF) has been linked to obesity in several genotype-phenotype association studies. OBJECTIVE: To identify metabolic factors by which this effect might be conveyed, we aimed to investigate its correlation with (i) obesity, (ii) metabolic parameters, (iii) serum levels of BDNF and (iv) measures of energy intake in children and adolescents. METHODS: We genotyped the variant in 2131 subjects (age 6-18 years) and checked for an association with obesity...
September 27, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28956369/the-role-of-circulating-slit2-the-one-of-the-newly-batokines-in-human-diabetes-mellitus
#7
Yea Eun Kang, Sorim Choung, Ju Hee Lee, Hyun Jin Kim, Bon Jeong Ku
BACKGROUND: Slit2 is a new secreted protein from adipose tissue that improves glucose hemostasis in mice; however, there is no study about the serum levels and precise role of Slit2 in human. The aim of this study is to explore the serum level of Slit2 in human, and to identify the role of Slit2 in diabetes mellitus (DM). METHODS: The participants of this study consist of 38 subjects with newly diagnosed DM, and 75 healthy subjects as a control group. Serum Slit2 levels were measured using an enzyme-linked immunosorbent assay...
September 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28931179/evaluation-of-the-interference-of-hemoglobin-variant-j-bangkok-on-glycated-hemoglobin-hba1c-measurement-by-five-different-methods
#8
Dong-Mei Wen, Sheng-Nan Xu, Wei-Jia Wang, Xiu-Ming Zhang, Ming-Huan Suo, De-Cai Zhang
Objective The interference of the hemoglobin variant (Hb J-Bangkok) was evaluated on 4 different glycated hemoglobin assays and compared with a reference immuno assay. Methods An overall test of coincidence of 2 least-squares linear regression lines was performed to determine whether the presence of Hb J-Bangkok caused a statistically significant difference in HbA1c results compared with a reference immuno assay. Statistical analysis was performed on the difference of the estimated average glucose calculated from HbA1c values and fasting plasma glucose in the Hb J-Bangkok variant group using the different detection systems...
September 20, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28900367/measurement-of-hba1c-and-hba2-by-capillarys-2-flex-piercing-hba1c-programme-for-simultaneous-management-of-diabetes-and-screening-for-thalassemia
#9
Peifeng Ke, Jiawei Liu, Yan Chao, Xiaobin Wu, Yujuan Xiong, Li Lin, Zemin Wan, Xinzhong Wu, Jianhua Xu, Junhua Zhuang, Xianzhang Huang
INTRODUCTION: Thalassemia could interfere with some assays for haemoglobin A1c (HbA1c) measurement, therefore, it is useful to be able to screen for thalassemia while measuring HbA1c. We used Capillarys 2 Flex Piercing (Capillarys 2FP) HbA1c programme to simultaneously measure HbA1c and screen for thalassemia. MATERIALS AND METHODS: Samples from 498 normal controls and 175 thalassemia patients were analysed by Capillarys 2FP HbA1c programme (Sebia, France). For method comparison, HbA1c was quantified by Premier Hb9210 (Trinity Biotech, Ireland) in 98 thalassaemia patients samples...
October 1, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28880900/phase-separation-of-the-plasma-membrane-in-human-red-blood-cells-as-a-potential-tool-for-diagnosis-and-progression-monitoring-of-type-1-diabetes-mellitus
#10
Giuseppe Maulucci, Ermanno Cordelli, Alessandro Rizzi, Francesca De Leva, Massimiliano Papi, Gabriele Ciasca, Daniela Samengo, Giovambattista Pani, Dario Pitocco, Paolo Soda, Giovanni Ghirlanda, Giulio Iannello, Marco De Spirito
Glycosylation, oxidation and other post-translational modifications of membrane and transmembrane proteins can alter lipid density, packing and interactions, and are considered an important factor that affects fluidity variation in membranes. Red blood cells (RBC) membrane physical state, showing pronounced alterations in Type 1 diabetes mellitus (T1DM), could be the ideal candidate for monitoring the disease progression and the effects of therapies. On these grounds, the measurement of RBC membrane fluidity alterations can furnish a more sensitive index in T1DM diagnosis and disease progression than Glycosylated hemoglobin (HbA1c), which reflects only the information related to glycosylation processes...
2017: PloS One
https://www.readbyqxmd.com/read/28856591/tsh-oscillations-in-young-patients-with-type-1-diabetes-may-be-due-to-glycemic-variability
#11
G Bellastella, M I Maiorino, L Scappaticcio, O Casciano, M Petrizzo, M Caputo, V A Paglionico, D Giugliano, K Esposito
PURPOSE: A relationship between thyroid dysfunction and diabetes mellitus has been described by several authors but the role of glycemic variability is still unclear. We planned the present study to evaluate the influence of glycemic variability on thyroid hormones and TSH concentrations in patients with type 1 diabetes mellitus (T1DM). METHODS: Seventy-seven young patients with T1DM were enrolled and evaluated for basal glucose concentrations, HbA1c, thyroid hormones and TSH concentrations...
August 30, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28856223/comparison-of-a-point-of-care-analyser-for-the-determination-of-hba1c-with-hplc-method
#12
D A Grant, G J Dunseath, R Churm, S D Luzio
AIMS: As the use of Point of Care Testing (POCT) devices for measurement of glycated haemoglobin (HbA1c) increases, it is imperative to determine how their performance compares to laboratory methods. This study compared the performance of the automated Quo-Test POCT device (EKF Diagnostics), which uses boronate fluorescence quenching technology, with a laboratory based High Performance Liquid Chromatography (HPLC) method (Biorad D10) for measurement of HbA1c. METHODS: Whole blood EDTA samples from subjects (n=100) with and without diabetes were assayed using a BioRad D10 and a Quo-Test analyser...
August 2017: Pract Lab Med
https://www.readbyqxmd.com/read/28854709/melatonin-restores-white-blood-cell-count-diminishes-glycated-haemoglobin-level-and-prevents-liver-kidney-and-muscle-oxidative-stress-in-mice-exposed-to-acute-ethanol-intoxication
#13
Natalia Kurhaluk, Alina Sliuta, Svitlana Kyriienko, Pawel J Winklewski
Aims: The aim of the study was to examine the effects of melatonin impact on changes in haematological profile, biomarkers of oxidative stress (dienes conjugates, malondialdehyde (MDA), oxidatively modified protein levels, total antioxidant capacity and antioxidant enzyme activity) in liver, muscle, kidney and erythrocytes, and glycated haemoglobin (HBA1c) in mice during acute ethanol stress. Methods: Assays were carried out in quadruplicate: control, melatonin (10 mg/kg, 10 days), acute ethanol stress (0...
September 1, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28835761/the-effect-of-n-3-polyunsaturated-fatty-acids-supplementation-on-serum-irisin-in-patients-with-type-2-diabetes-a-randomized-double-blind-placebo-controlled-trial
#14
Samaneh Ansari, Mahmoud Djalali, Niyaz Mohammadzadeh Honarvar, Maryam Mazaherioun, Mahnaz Zarei, Fahimeh Agh, Zahra Gholampour, Mohammad Hassan Javanbakht
BACKGROUND: Diabetes refers to a group of metabolic diseases with blood glucose of higher than normal ranges. Furthermore, n-3 polyunsaturated fatty acids are necessary for the regulation of the activity of human function. The effect of n-3 PUFA on diabetes has been investigated in animal studies, yet, the exact amount has not been set, to date. Irisin, as a new myokine, is released from skeletal muscle and Irisin levels decrease as a result of physical inactivity, overweightness, and obesity...
January 2017: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28814103/annals-express-associations-between-glycaemic-control-and-activation-of-the-renin-angiotensin-aldosterone-system-in-participants-with-type-2-diabetes-mellitus-and-hypertension
#15
Tomas Patrick Griffin, Deirdre Wall, Gerard A Browne, Michael C Dennedy, Paula O'Shea
INTRODUCTION: Hyperglycaemia increases succinate levels and succinate receptor (GPR91) activation in the kidney resulting in renin release. The aim of our study was to determine if there is an association between glycaemic control as evidenced by glycated haemoglobin (HbA1c) values and activation of the renin-angiotensin-aldosterone-system in patients with type 2 diabetes mellitus (T2DM) and hypertension. METHODS: A cross-sectional study was conducted at Galway University Hospitals between December 2014 and March 2015...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/28811597/vitamin-d-receptor-gene-polymorphisms-modify-cardiometabolic-response-to-vitamin-d-supplementation-in-t2dm-patients
#16
Nasser M Al-Daghri, Abdul Khader Mohammed, Omar S Al-Attas, Mohammed Ghouse Ahmed Ansari, Kaiser Wani, Syed D Hussain, Shaun Sabico, Gyanendra Tripathi, Majed S Alokail
There is conflicting evidence on the favorable effects of vitamin D supplementation on metabolic profile in Type 2 diabetes mellitus (T2DM) patients and this might be due to genetic variations in vitamin D receptors (VDRs). Thus, we studied the metabolic effects of a 12-month vitamin D supplementation in T2DM patients according to VDR polymorphisms. A total of 204 T2DM subjects received 2000 IU vitamin D3 daily for 12 months. Serum 25(OH)D and metabolic profiles were measured at baseline and after 12 months...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28762915/-association-of-serum-levels-and-gene-polymorphism-of-vascular-endothelium-growth-factor-with-ischemic-heart-disease-in-type-2-diabetic-patients
#17
V V Klimontov, N V Tyan, N B Orlov, A V Shevchenko, V F Prokofiev, N E Myakina, D M Bulumbaeva, V I Konenkov
AIM: to study serum levels of vascular endothelium growth factor family peptides (VEGF-A, VEGF-C and VEGF-D) and functional gene polymorphisms of VEGFA gene (rs699947 and rs3025039) in patients with type 2 diabetes (T2D) depending on the presence of ischemic heart disease (IHD). MATERIALS AND METHODS: The study involved 196 Caucasian patients with T2D (age 43-70 years, 76 with IHD). The concentrations of VEGF-A, VEGF-C and VEGF-D in blood serum were determined by Multiplex assay...
May 2017: Kardiologiia
https://www.readbyqxmd.com/read/28751962/autologous-bone-marrow-derived-stem-cell-therapy-in-patients-with-type-2-diabetes-mellitus-defining-adequate-administration-methods
#18
Vikas Sood, Anil Bhansali, Bhagwant Rai Mittal, Baljinder Singh, Neelam Marwaha, Ashish Jain, Niranjan Khandelwal
AIM: To carry out randomized trial for evaluating effects of autologous bone marrow derived stem cell therapy (ABMSCT) through different routes. METHODS: Bone marrow aspirate was taken from the iliac crest of patients. Bone marrow mononuclear cells were separated and purified using centrifugation. These cells were then infused in a total of 21 patients comprising three groups of 7 patients each. Cells were infused into the superior pancreaticoduodenal artery (Group I), splenic artery (Group II) and through the peripheral intravenous route (Group III)...
July 15, 2017: World Journal of Diabetes
https://www.readbyqxmd.com/read/28746841/the-antidepressant-effect-of-melatonin-and-fluoxetine-in-diabetic-rats-is-associated-with-a-reduction-of-the-oxidative-stress-in-the-prefrontal-and-hippocampal-cortices
#19
Redouane Rebai, Luc Jasmin, Abdennacer Boudah
In the past few years possible mechanisms that link diabetes and depression have been found. One of these mechanisms is the increase in lipid peroxidation and decrease in antioxidant activity in the hippocampal and prefrontal cortices, which are brain areas involved in mood. The goal of the present study was to evaluate the effect of an antidepressant and of an antioxidant on behavior and oxidative activity in brains of diabetic rats. Rats rendered diabetic after a treatment with streptozotocin (STZ) (60mg/kg) were treated with fluoxetine (15mg/kg), melatonin (10mg/kg), or vehicle for 4 weeks...
July 23, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28743061/circulating-ctrp9-levels-are-increased-in-patients-with-newly-diagnosed-type-2-diabetes-and-correlated-with-insulin-resistance
#20
Yanjun Jia, Xiaohe Luo, Ying Ji, Jingwen Xie, Han Jiang, Mao Fu, Xiaoqiang Li
AIMS: C1q/TNF-related protein-9 (CTRP9) is a novel adipokine that has been shown to promote lipid metabolism, enhance insulin sensitivity and protect against cardiovascular disease. However, previous studies in humans have produced controversial results regarding the association between CTRP9 and insulin resistance. The objective of this study was to evaluate the relationships between CTRP9 and insulin resistance in Chinese population. METHODS: Subjects with normal glucose tolerance (NGT, n=108), impaired glucose tolerance (IGT, n=92), and newly diagnosed type 2 diabetes mellitus (nT2DM, n=106) were recruited to determining the circulating CTRP9 and adiponectin levels by enzyme linked immunosorbent assay...
July 8, 2017: Diabetes Research and Clinical Practice
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