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Glycated albumin

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https://www.readbyqxmd.com/read/28817230/recent-findings-on-fulminant-type-1-diabetes
#1
REVIEW
Lan Liu, Ling Zeng, Dan Sang, Zeyuan Lu, Jie Shen
Fulminant type 1 diabetes (fT1D) is a new subtype of type 1 diabetes proposed by Imagawa in 2000. It is a clinical syndrome characterized by a markedly rapid and almost complete destruction of pancreatic β cells. Metabolic derangement is more severe in this subtype than in autoimmune type 1 diabetes. The incidence of fT1D is associated with HLA DRB1*04:05DQB1*04:01, both innate and acquired immune disorders might contribute to the development of fT1D. The presence of specific innate immune responses to enterovirus infection connected with enhanced adoptive immune pathways responsible for aggressive β cell toxicity in fT1D...
August 17, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28816938/advanced-glycation-end-products-promote-chrebp-expression-and-cell-proliferation-in-liver-cancer-cells-by-increasing-reactive-oxygen-species
#2
Hanbei Chen, Yakui Li, Yemin Zhu, Lifang Wu, Jian Meng, Ning Lin, Dianqiang Yang, Minle Li, WenJin Ding, Xuemei Tong, Qing Su
The aim of the study was to elucidate the mechanism by which advanced glycation end products (AGEs) promote cell proliferation in liver cancer cells.We treated liver cancer HepG2 cells with 200 mg/L AGEs or bovine serum albumin (BSA) and assayed for cell viability, cell cycle, and apoptosis. We performed real-time PCR and Western blot analysis for RNA and protein levels of carbohydrate responsive element-binding protein (ChREBP) in AGEs- or BSA-treated HepG2 cells. We analyzed the level of reactive oxygen species (ROS) in HepG2 cells treated with AGEs or BSA...
August 2017: Medicine (Baltimore)
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
#3
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/28812216/an-overview-of-in-vitro-and-in-vivo-glycation-of-albumin-a-potential-disease-marker-in-diabetes-mellitus
#4
REVIEW
Km Neelofar, Jamal Ahmad
Non-enzymatic glycation of macromolecules, especially proteins leading to their oxidation is increased in diabetes mellitus due to hyperglycaemia and play an important role in associated complications of the disease. Protein glycation mostly occurs in intra chain lysine residues resulting in the formation of early stage Amadori products which are finally converted to advance glycation end products (AGEs). This review deals with the structural studies of in vitro and in vivo glycated human serum albumin (HSA)...
August 15, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28807030/combined-effect-of-metformin-with-ascorbic-acid-versus-acetyl-salicylic-acid-on-diabetes-related-cardiovascular-complication-a-12-month-single-blind-multicenter-randomized-control-trial
#5
Syed Wasif Gillani, Syed Azhar Syed Sulaiman, Mohi Iqbal Mohammad Abdul, Mirza R Baig
BACKGROUND: We aimed to investigate the efficacy of ascorbic acid and acetylsalicylic acid among type II diabetes mellitus patients using metformin (only) for diabetes management therapy. METHOD: A 12-month single blinded multicenter randomized control trial was designed to investigate the measured variables [Glycated Hemoglobin (HbA1c), Renal function, Albumin Creatinine Ratio (ACR) etc.]. The trial was randomized into 2 experimental parallel arms (ascorbic acid vs acetylsalicylic acid) were blinded with study supplements in combination with metformin and findings were compared to control arm with metformin alone and blinded with placebo...
August 14, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28792709/assessment-of-glycated-albumin-as-a-useful-indicator-for-renal-dysfunction-in-diabetic-and-nondiabetic-population
#6
Nan Duan, Sai-Nan Zhu, Hai-Xia Li, Li-Li Jiao, Hong-Yun Yang, Qi Guo
BACKGROUND: Glycated albumin (GA) reflects serum glucose of the preceding 2 - 3 weeks and plays an important role in diabetes mellitus (DM). This study aimed at investigating whether GA can assess renal dysfunction in population. METHODS: 3818 individuals attending physical examination were enrolled in this cross-sectional study and divided into five groups: healthy controls, impaired fasting glucose, DM without renal complications, DM with albuminuria, and nondiabetic chronic kidney disease patients...
July 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28782313/lipid-profile-in-childhood-and-youth-onset-type-2-diabetes-and-their-association-with-microvascular-complications
#7
A Amutha, R Pradeepa, K S Chella, R M Anjana, R Unnikrishnan, V Mohan
AIM: To assess the lipid profiles in childhood and youth onset type 2 diabetes (T2DM) and study their association with microvascular complications. METHODS: Clinical details of individuals with childhood and youth onset T2DM, age at diagnosis between 10 and 25 yrs (n=1340) were retrieved from electronic medical records. Lipid abnormalities were classified based on the NCEP (ATP III) guidelines and management of dyslipidemia in children and adolescents with diabetes...
June 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28771387/minimizing-glycemic-fluctuations-in-patients-with-type-2-diabetes-approaches-and-importance
#8
Paresh Dandona
Glycemic fluctuations, characterized by short-term oscillations in plasma glucose, are important when managing type 2 diabetes (T2D) and may be considered a target of glucose-lowering therapies. Continuous glucose monitoring (CGM) has been used to evaluate the effects of different treatments on glycemic fluctuations. This review examines approaches to and the importance of minimizing glycemic fluctuations among patients with T2D. Measures of HbA1c, fructosamine, and glycated albumin reflect a long-term average of plasma glucose, and are therefore unable to provide an accurate measure of short-term glycemic oscillations...
August 3, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28761331/antiglycation-radical-scavenging-and-semicarbazide-sensitive-amine-oxidase-inhibitory-activities-of-acetohydroxamic-acid-in-vitro
#9
Yuh-Hwa Liu, Yeh-Lin Lu, Der-Zen Liu, Wen-Chi Hou
Advanced glycation endproducts (AGEs) can promote intracellular reactive oxygen species production, and the levels of AGEs are highly correlated with cardiovascular disease and diabetes complications. Acetohydroxamic acid (acetH) is a bacterial urease inhibitor drug used to treat kidney stones and infections in the urinary tract, and hydroxyurea (HU) is a drug used for antineoplasm and sickle cell diseases. Both acetH and HU are hydroxamic acid derivatives. It was found that acetH and HU at 2.5 or 5 mM showed anti-AGE formation by lowering the AGEs' fluorescent intensities and N(ε)-(carboxymethyl)lysine formation in bovine serum albumin/galactose models, and both showed better and significant differences (P<0...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28761203/inhibitory-effect-of-bunium-persicum-hydroalcoholic-extract-on-glucose-induced-albumin-glycation-oxidation-and-aggregation-in-vitro
#10
Arman Seri, Marjan Khorsand, Zahra Rezaei, Azadeh Hamedi, Mohammad Ali Takhshid
BACKGROUND: Glucose-induced protein glycation has been implicated in the progression of diabetic complications and age-related diseases. The anti-glycation potential of polyphenol-rich plant extracts has been shown previously. Bunium Persicum has been demonstrated to possess a high level of polyphenols. The aim of current in vitro study was to determine the possible inhibitory effect of Bunium Persicum hydroalcoholic extract (BPE) on glucose-induced bovine serum albumin (BSA) glycation, oxidation, and aggregation...
July 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28755585/evaluation-of-asteraceae-herbal-extracts-in-the-management-of-diabetes-and-obesity-contribution-of-caffeoylquinic-acids-on-the-inhibition-of-digestive-enzymes-activity-and-formation-of-advanced-glycation-end-products-in%C3%A2-vitro
#11
Vítor Spínola, Paula C Castilho
The study was performed to assess, for the first time, the in vitro anti-diabetic potential of ten Asteraceae plant extracts to inhibit the activity of digestive enzymes (α-amylase, α-, β-glucosidases and lipase) responsible for hydrolysis/digestion of sugar and lipids. Prevention of advanced glycation end-products (AGEs) formation was evaluated in bovine serum albumin/ribose glycation reaction model. The phytochemical profiles and caffeoylquinic acids (CQAs) contents were determined for the methanolic extract of each plant...
July 26, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28743307/hemoglobin-himeji-and-inconsistent-hemoglobin-a1c-values-a-case-report
#12
Vânia Guedes, Rita Bettencourt-Silva, Joana Queirós, Maria da Luz Esteves, Maria José Teles, Davide Carvalho
BACKGROUND: Hemoglobin A1c is used to evaluate the glycemic control in patients with diabetes and is a risk marker for chronic complications of diabetes. Hemoglobin variants are reported to falsely lower or increase hemoglobin A1c test results. We present a case report of a patient with diabetes with discrepancy between fasting plasma glucose and hemoglobin A1c due to the presence of hemoglobin Himeji, a clinically silent and very rare hemoglobinopathy. CASE PRESENTATION: A 76-year-old white woman, born and living in Portugal, with type 2 diabetes presented to the family physician for a routine visit...
July 26, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28725620/attenuation-of-diabetic-nephropathy-in-streptozotocin-induced-diabetic-rats-by-punica-granatum-linn-leaves-extract
#13
Snehal Nitin Mestry, Jayesh Bachu Dhodi, Sangita Balbhim Kumbhar, Archana Ramesh Juvekar
With an objective to develop Complementary and Alternative Medicine for the treatment of diabetic nephropathy, the present study investigated the protective effects of methanolic extract of Punica granatum leaves (MPGL) in streptozotocin-induced diabetic nephropathy. Diabetic nephropathy has become a leading cause of end stage renal failure worldwide. P. granatum, due to its anti-diabetic, anti-inflammatory and antioxidant activities may retard the progression of diabetic nephropathy. In this study, diabetes was induced by a single injection of streptozotocin (STZ, 45 mg/kg, i...
July 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28719008/comparative-efficacy-and-safety-of-gemigliptin-versus-linagliptin-in-type-2-diabetes-patients-with-renal-impairment-a-40-week-extension-of-the-guard-randomized-study
#14
Sang Youb Han, Sun Ae Yoon, Byoung Geun Han, Sung Gyun Kim, Young-Il Jo, Kyung Hwan Jeong, Kook-Hwan Oh, Hyeong Cheon Park, Sun-Hee Park, Shin-Wook Kang, Ki-Ryang Na, Sun Woo Kang, Nam-Ho Kim, Younghwan Jang, Bogyeong Kim, Seonghye Shin, Dae Ryong Cha
AIMS: The present extension study evaluated the long-term safety and efficacy of gemigliptin during a 40-week follow-up period after a 12-week study. METHODS: The main study was a randomized, placebo-controlled, double-blinded, phase IIIb study in which 50 mg of gemigliptin (N = 66) or placebo (N = 66) was administered to patients with type 2 diabetes mellitus (T2DM) with moderate or severe renal impairment over a 12-week period. Patients with a glycated haemoglobin (HbA1c) level of 7-11% and an estimated glomerular filtration rate (eGFR) of 15-59 mL/min/1...
July 18, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28715887/pectin-lyase-modified-red-ginseng-extract-exhibits-potent-anti-glycation-effects-in-vitro-and-in-vivo
#15
Chan-Sik Kim, Kyuhyung Jo, Mi-Kyung Pyo, Jin Sook Kim, Junghyun Kim
PURPOSE: GS-E3D is a newly developed pectin lyase-modified red ginseng extract. The purpose of this study was to evaluate the inhibitory effects of GS-E3D against advanced glycation end products. METHODS: In this study, we evaluated the inhibitory effects of GS-E3D on the formation of advanced glycation end products (AGEs) and their cross-linking with collagen in vitro and in streptozotocin-induced diabetic rats. RESULTS: An in vitro assay for the glycation of bovine serum albumin by methylglyoxal showed that GS-E3D inhibited AGE formation at an IC50 value of 19...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28713809/a-perspective-on-reagent-diversity-and-non-covalent-binding-of-reactive-carbonyl-species-rcs-and-effector-reagents-in-non-enzymatic-glycation-neg-mechanistic-considerations-and-implications-for-future-research
#16
Kenneth J Rodnick, R W Holman, Pamela S Ropski, Mingdong Huang, Arthur L M Swislocki
This perspective focuses on illustrating the underappreciated connections between reactive carbonyl species (RCS), initial binding in the nonenzymatic glycation (NEG) process, and nonenzymatic covalent protein modification (here termed NECPM). While glucose is the central species involved in NEG, recent studies indicate that the initially-bound glucose species in the NEG of human hemoglobin (HbA) and human serum albumin (HSA) are non-RCS ring-closed isomers. The ring-opened glucose, an RCS structure that reacts in the NEG process, is most likely generated from previously-bound ring-closed isomers undergoing concerted acid/base reactions while bound to protein...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28712850/ex%C3%A2-vivo-instability-of-glycated-albumin-a-role-for-autoxidative-glycation
#17
Joshua W Jeffs, Shadi Ferdosi, Hussein N Yassine, Chad R Borges
Ex vivo protein modifications occur within plasma and serum (P/S) samples due to prolonged exposure to the thawed state-which includes temperatures above -30 °C. Herein, the ex vivo glycation of human serum albumin from healthy and diabetic subjects was monitored in P/S samples stored for hours to months at -80 °C, -20 °C, and room temperature, as well as in samples subjected to multiple freeze-thaw cycles, incubated at different surface area-to-volume ratios or under different atmospheric compositions...
September 1, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28699985/glycated-albumin-a-potential-biomarker-in-diabetes
#18
Priscila Aparecida Correa Freitas, Lethicia Rozales Ehlert, Joíza Lins Camargo
Diabetes mellitus (DM) is a chronic and metabolic disease that presents a high global incidence. Glycated hemoglobin (A1C) is the reference test for long-term glucose monitoring, and it exhibits an association with diabetic chronic complications. However, A1C is not recommended in clinical situations which may interfere with the metabolism of hemoglobin, such as in hemolytic, secondary or iron deficiency anemia, hemoglobinopathies, pregnancy, and uremia. The glycated albumin (GA) is a test that reflects short-term glycemia and is not influenced by situations that falsely alter A1C levels...
May 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28690125/carbamylation-is-a-competitor-of-glycation-for-protein-modification-in-vivo
#19
C Nicolas, S Jaisson, L Gorisse, F J Tessier, C Niquet-Léridon, P Jacolot, C Pietrement, P Gillery
AIM: Chronic kidney disease (CKD) and diabetes mellitus are two diseases that accelerate protein molecular ageing through carbamylation and glycation reactions, characterized by the binding of urea-derived isocyanic acid and of sugars on proteins, respectively. These two reactions target the same protein amino groups and, thus, compete with each other. Such competition may arise especially in diabetic patients with nephropathy. This study aimed to evaluate their potential competitive effects in vitro and under conditions reproducing CKD and/or diabetes in vivo...
July 6, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28689445/abundance-matters-role-of-albumin-in-diabetes-a-proteomics-perspective
#20
Shweta Bhat, Mashanipalya G Jagadeeshaprasad, Vinashya Venkatasubramani, Mahesh J Kulkarni
Human serum albumin (HSA) is a multifaceted protein with vital physiological functions. It is the most abundant plasma protein with inherent capability to bind to diverse ligands, and thus susceptible to various post-translational modifications (PTMs) which alter its structure and functions. One such PTM is glycation, a non-enzymatic reaction between reducing sugar and protein leading to formation of heterogeneous advanced glycation end products (AGEs). Glycated albumin (GA) concentration increases significantly in diabetes and is implicated in development of secondary complications...
July 13, 2017: Expert Review of Proteomics
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