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Glycosylated Albumin

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https://www.readbyqxmd.com/read/28395215/evaluation-of-kidney-function-and-risk-factors-of-retinopathy-in-type-2-diabetes-mellitus-people-in-south-africa
#1
F A Ganjifrockwala, J T Joseph, G George
AIM: Diabetic retinopathy (DR) is a disease of the retina and an important microvascular complication of diabetes, frequently causing blindness in adults. The study aims to evaluate kidney function and risk factors for the development of retinopathy in Type 2 diabetes mellitus (DM) patients. METHODS: A total of 140 participants (54 Type 2DM without retinopathy, 44 with DR and 42 normal, healthy controls) consented to participate in the study. Fasting plasma glucose (FPG), glycosylated haemoglobin (HbA1c), lipid profile and renal function tests were measured using routine laboratory methods...
March 31, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28350354/proteomic-profiling-comparing-the-effects-of-different-heat-treatments-on-camel-camelus-dromedarius-milk-whey-proteins
#2
COMPARATIVE STUDY
Hicham Benabdelkamel, Afshan Masood, Ibrahim O Alanazi, Dunia A Alzahrani, Deema K Alrabiah, Sami A AlYahya, Assim A Alfadda
Camel milk is consumed in the Middle East because of its high nutritional value. Traditional heating methods and the duration of heating affect the protein content and nutritional quality of the milk. We examined the denaturation of whey proteins in camel milk by assessing the effects of temperature on the whey protein profile at room temperature (RT), moderate heating at 63 °C, and at 98 °C, for 1 h. The qualitative and quantitative variations in the whey proteins before and after heat treatments were determined using quantitative 2D-difference in gel electrophoresis (DIGE)-mass spectrometry...
March 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28329747/influence-of-dipeptidyl-peptidase-iv-inhibitor-sitagliptin-on-extracellular-signal-regulated-kinases-1-2-signaling-in-rats-with-diabetic-nephropathy
#3
Xiaojun Ren, Gaohong Liu, Yanhong Wang, Wan Zhang, Fuping Xue, Rongshan Li, Weimin Yu
The protective effects of sitagliptin on the kidneys of rats with diabetic nephropathy (DN) and its influence on extracellular signal-regulated kinases 1/2 (ERK1/2) signaling were investigated. Male Wistar rats (n = 40) were randomly assigned to normal control, DN, low-dose sitagliptin intervention (ST1), or high-dose sitagliptin intervention (ST2) groups. Animals were euthanized after a 16-week treatment, and blood glucose (BG), glycosylated hemoglobin (HbA1c), urinary albumin excretion rate (AER), serum creatinine (Scr), creatinine clearance rate (Ccr), active glucagon-like peptide-1 (GLP-1) levels, kidney hypertrophy index, and renal pathohistology were determined...
March 23, 2017: Pharmacology
https://www.readbyqxmd.com/read/28322944/new-insights-into-non-enzymatic-glycation-of-human-serum-albumin-biopolymer-a-study-to-unveil-its-impaired-structure-and-function
#4
Alok Raghav, Jamal Ahmad, Khursheed Alam, Asad U Khan
Albumin glycation and subsequent formation of advanced glycation end products (AGEs) correlate with diabetes and associated complications. Human Serum Albumin (HSA) was modified with d-glucose for a 40day period under sterile conditions at 37°C. Modified samples along with native HSA (unmodified) were analyzed for impairment in biochemical characteristics ((fructosamine, carbonyl, thiol, lysine, arginine, hydroxymethyl furfural [HMF] content), electrochemical (electrical conductance), simulated gastric fluid assay, simulated intestinal fluid assay, spectroscopic properties (UV, fluorescence), optical (surface contact angle) and fluid dynamics (viscosity and Stokes radius)...
March 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28280335/nanoparticle-abraxane-possesses-impaired-proliferation-in-a549-cells-due-to-the-underexpression-of-glucosamine-6-phosphate-n-acetyltransferase-1-gnpnat1-gna1
#5
Minzhi Zhao, Haiyun Li, Yan Ma, He Gong, Shu Yang, Qiaojun Fang, Zhiyuan Hu
Abraxane (Abr), a US Food and Drug Administration-approved albumin-bound nanoparticle applied for the treatment of non-small-cell lung cancer, has been reported to be more effective than paclitaxel (PTX). To further understand the molecular mechanisms that produce this superior drug efficacy of Abr, a quantitative proteomic approach has been applied to investigate the global protein expression profiles of lung cancer cell A549 treated with Abr and PTX. Only one protein, namely, glucosamine 6-phosphate N-acetyltransferase 1 (GNA1), showed significant differential expression (P<0...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28280052/cross-sectional-analysis-of-age-cml-srage-and-esrage-with-diabetes-and-cardiometabolic-risk-factors-in-a-community-based-cohort
#6
Stephanie J Loomis, Yuan Chen, David B Sacks, Eric S Christenson, Robert H Christenson, Casey M Rebholz, Elizabeth Selvin
BACKGROUND: Advanced glycation end products (AGEs) and their receptors are regarded as central to the development of diabetic complications, but associations with diabetes and cardiometabolic outcomes in previous studies are mixed. METHODS: Using ELISA assays, we measured N(6)-carboxymethyllysine (AGE-CML), soluble receptor for AGEs (sRAGE), and endogenous secreted receptor for AGEs (esRAGE) in 1874 participants from the Atherosclerosis Risk in Communities study...
March 9, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28270484/differences-in-incidence-of-diabetic-retinopathy-between-type-1-and-2-diabetes-mellitus-a-nine-year-follow-up-study
#7
Pedro Romero-Aroca, Raul Navarro-Gil, Aida Valls-Mateu, Ramon Sagarra-Alamo, Antonio Moreno-Ribas, Nuria Soler
BACKGROUND/AIMS: To determine the incidence of any diabetic retinopathy (any-DR), sight-threatening diabetic retinopathy (STDR) and diabetic macular oedema (DMO) and their risk factors in type 1 diabetes mellitus (T1DM) over a screening programme. METHODS: Nine-year follow-up, prospective population-based study of 366 patients with T1DM and 15 030 with T2DM. Epidemiological risk factors were as follows: current age, age at DM diagnosis, sex, type of DM, duration of DM, arterial hypertension, levels of glycosylated haemoglobin (HbA1c), triglycerides, cholesterol fractions, serum creatinine, estimated glomerular filtration rate (eGFR) and urine albumin to creatinine ratio (UACR)...
March 7, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28210565/label-free-proteome-analysis-of-plasma-from-patients-with-breast-cancer-stage-specific-protein-expression
#8
Marina Duarte Pinto Lobo, Frederico Bruno Mendes Batista Moreno, Gustavo Henrique Martins Ferreira Souza, Sara Maria Moreira Lima Verde, Renato de Azevedo Moreira, Ana Cristina de Oliveira Monteiro-Moreira
Breast cancer is one of the most commonly diagnosed types of cancer among women. Breast cancer mortality rates remain high probably because its diagnosis is hampered by inaccurate detection methods. Since changes in protein expression as well as modifications in protein glycosylation have been frequently reported in cancer development, the aim of this work was to study the differential expression as well as modifications of glycosylation of proteins from plasma of women with breast cancer at different stages of disease (n = 30) compared to healthy women (n = 10)...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28201997/the-association-between-interleukin-19-concentration-and-diabetic-nephropathy
#9
Li Li, Xu-Gan Jiang, Juan-Yu Hu, ZHeng-Qing Yu, Jian-Yong Xu, Fan Liu, Guang-Chun Zhao, Lei Zhang, Hui-Ming Gu, Si-Jing Zhang, Jin Meng
BACKGROUND: Interleukin-19 (IL-19) is a newly discovered cytokine belonging to the Interleukin-10(IL-10) family. IL-19 have indispensable functions in many inflammatory processes and also can induce the angiogenic potential of endothelial cells. The purpose of present study was to investigate the relation of serum interleukin-19 (IL-19) levels with diabetic nephropathy (DN). METHODS: Two hundred study groups of patients with type 2 diabetes mellitus (T2DM) (109 males and 91 females) were recruited, included normoalbuminuria(n = 102), microalbuminuria(n = 72) and macroalbuminuria(n = 26) ...
February 15, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28105260/shear-wave-elastography-in-hepatitis-c-patients-before-and-after-antiviral-therapy
#10
Toshikuni Suda, Osamu Okawa, Rion Masaoka, Yoshinori Gyotoku, Naohiko Tokutomi, Yasumi Katayama, Masaya Tamano
AIM: To investigate shear wave (SW) propagation velocity in patients with untreated hepatitis C and patients with sustained virological response (SVR). METHODS: A total of 136 hepatitis C patients [85 patients who had not received antiviral therapy (naïve group) and 51 patients who had received antiviral therapy and subsequently achieved SVR of at least 24 wk (SVR group)] and 58 healthy volunteers and outpatients without liver disease (control group) underwent evaluation of liver stiffness by SW elastography (SWE)...
January 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28089438/a-retrospective-comparison-of-biliopancreatic-diversion-with-duodenal-switch-with-single-anastomosis-duodenal-switch-sips-stomach-intestinal-pylorus-sparing-surgery-at-a-single-institution-with-two-year-follow-up
#11
Amit Surve, Hinali Zaveri, Daniel Cottam, LeGrand Belnap, Austin Cottam, Samuel Cottam
BACKGROUND: The traditional duodenal switch is performed using a Roux-en-Y configuration. This procedure has proven to be the most effective procedure for long-term weight loss and co-morbidity reduction. Recently, stomach intestinal pylorus sparing surgery (SIPS) has been introduced as a simpler and potentially safer variation of the duodenal switch (DS). It is a single anastomosis end-to-side proximal duodeno-ileal bypass with a sleeve gastrectomy. In this study, we compare our outcomes between biliopancreatic diversion with duodenal switch (BPD-DS) and SIPS at 2 years...
December 2, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28075412/the-antagonistic-effect-of-mycotoxins-deoxynivalenol-and-zearalenone-on-metabolic-profiling-in-serum-and-liver-of-mice
#12
Jian Ji, Pei Zhu, Fangchao Cui, Fuwei Pi, Yinzhi Zhang, Yun Li, Jiasheng Wang, Xiulan Sun
Metabolic profiling in liver and serum of mice was studied for the combined toxic effects of deoxynivalenol (DON) and zearalenone (ZEN), through gas chromatography mass spectrum. The spectrum of serum and liver sample of mice, treated with individual 2 mg/kg DON, 20 mg/kg ZEN, and the combined DON + ZEN with final concentration 2 mg/kg DON and 20 mg/kg ZEN for 21 days, were deconvoluted, aligned and identified with MS DIAL. The data matrix was processed with univariate analysis and multivariate analysis for selection of metabolites with variable importance for the projection (VIP) > 1, t-test p value < 0...
January 10, 2017: Toxins
https://www.readbyqxmd.com/read/28056319/-risk-factors-for-lower-extremity-amputation-in-patients-with-diabetic-foot
#13
B Xu, C Z Yang, S B Wu, D Zhang, L N Wang, L Xiao, Y Chen, C R Wang, A Tong, X F Zhou, X H Li, X H Guan
Objective: To explore the risk factors for lower extremity amputation in patients with diabetic foot. Methods: The clinical data of 1 771 patients with diabetic foot at the Air Force General Hospital of PLA from November 2001 to April 2015 were retrospectively analyzed. The patients were divided into the non-amputation and amputation groups. Within the amputation group, subjects were further divided into the minor and major amputation subgroups. Binary logistic regression analyses were used to assess the association between risk factors and lower extremity amputation...
January 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28013188/a-capture-method-based-on-the-vc1-domain-reveals-new-binding-properties-of-the-human-receptor-for-advanced-glycation-end-products-rage
#14
Genny Degani, Alessandra A Altomare, Mara Colzani, Caterina Martino, Angelica Mazzolari, Guenter Fritz, Giulio Vistoli, Laura Popolo, Giancarlo Aldini
The Advanced Glycation and Lipoxidation End products (AGEs and ALEs) are a heterogeneous class of compounds derived from the non-enzymatic glycation or protein adduction by lipoxidation break-down products. The receptor for AGEs (RAGE) is involved in the progression of chronic diseases based on persistent inflammatory state and oxidative stress. RAGE is a pattern recognition receptor (PRR) and the inhibition of the interaction with its ligands or of the ligand accumulation have a potential therapeutic effect...
April 2017: Redox Biology
https://www.readbyqxmd.com/read/28009171/stereoselective-synthesis-of-%C3%AE-and-%C3%AE-l-ara4n-glycosyl-h-phosphonates-and-a-neoglycoconjugate-comprising-glycosyl-phosphodiester-linked-%C3%AE-l-ara4n
#15
Ralph Hollaus, Paul Kosma, Alla Zamyatina
Stereoselective synthesis of variably protected α- and β-l-Ara4N glycosyl H-phosphonates as key intermediates in the syntheses of β-l-Ara4N-modified LPS structures and α-l-Ara4N-containing biosynthetic precursors is reported. A facile one-pot approach toward β-l-Ara4N glycosyl H-phosphonates includes anomeric deallylation of protected 4-azido β-l-Ara4N via terminal olefin isomerization followed by ozonolysis and methanolysis of formyl groups to furnish exclusively β-configured lactols that are phosphitylated with retention of configuration...
January 6, 2017: Organic Letters
https://www.readbyqxmd.com/read/28001185/serum-uric-acid-and-its-association-with-hypertension-early-nephropathy-and-chronic-kidney-disease-in-type-2-diabetic-patients
#16
Mohamed Fouad, Hoda Fathy, Amal Zidan
INTRODUCTION: Early detection diabetic nephropathy (DN) is important. Whether serum uric acid (SUA) has a role in the development of DN is not known. OBJECTIVE: To study the relationship between SUA and hypertension, early nephropathy and progression of chronic kidney disease (CKD) in type 2 diabetes mellitus (T2DM). METHODS: The total number of the study was 986 participants, according to presence and duration of diabetes were classified into three groups...
December 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/27994108/prevalence-of-and-factors-associated-with-nephropathy-in-diabetic-patients-attending-an-outpatient-clinic-in-harare-zimbabwe
#17
Pasipanodya Ian Machingura, Vasco Chikwasha, Parmenas Nelson Okwanga, Exnevia Gomo
There is limited information on the burden of diabetic nephropathy in developing countries. This study aimed to determine the prevalence of and factors associated with nephropathy among diabetic patients attending an outpatient clinic in Harare, Zimbabwe. In an analytical cross-sectional study, diabetic patients were consecutively enrolled and a questionnaire administered, clinical assessment conducted, and blood samples collected for human immunodeficiency virus testing and measurement of lipids, creatinine, fructosamine, and glycosylated hemoglobin levels...
February 8, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27917827/the-n14-anti-afamin-antibody-fab-a-rare-vl1-cdr-glycosylation-crystallographic-re-sequencing-molecular-plasticity-and-conservative-versus-enthusiastic-modelling
#18
Andreas Naschberger, Barbara G Fürnrohr, Tihana Lenac Rovis, Suzana Malic, Klaus Scheffzek, Hans Dieplinger, Bernhard Rupp
The monoclonal antibody N14 is used as a detection antibody in ELISA kits for the human glycoprotein afamin, a member of the albumin family, which has recently gained interest in the capture and stabilization of Wnt signalling proteins, and for its role in metabolic syndrome and papillary thyroid carcinoma. As a rare occurrence, the N14 Fab is N-glycosylated at Asn26L at the onset of the VL1 antigen-binding loop, with the α-1-6 core fucosylated complex glycan facing out of the L1 complementarity-determining region...
December 1, 2016: Acta Crystallographica. Section D, Structural Biology
https://www.readbyqxmd.com/read/27900432/novel-boronate-material-affords-efficient-enrichment-of-glycopeptides-by-synergized-hydrophilic-and-affinity-interactions
#19
Jianying Chen, Xiaohu Li, Mengyu Feng, Kun Luo, Juan Yang, Bo Zhang
Development of novel materials for enrichment of glycopeptides is the key to a comprehensive analysis of the glycoproteome, which is closely related to several major diseases and biomarker findings. We synthesized phenylboronic acid (PBA) bound to SiO2 microspheres by a thiol-ene click chemistry method (this material was denoted as click PBA) and used it to separate cis-diol-containing molecules and enrich glycopeptides in hydrophilic interaction chromatography mode. Successful preparation of click PBA was confirmed by elemental analysis, X-ray photoelectron spectroscopy, N2 adsorption-desorption isotherms, and high-resolution scanning electron microscopy...
January 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27900429/highly-selective-sio2-nh2-tio2-hollow-microspheres-for-simultaneous-enrichment-of-phosphopeptides-and-glycopeptides
#20
Dongpo Xu, Guoquan Yan, Mingxia Gao, Chunhui Deng, Xiangmin Zhang
Glycosylation and phosphorylation as the commonest and most important posttranslational modifications of proteins play critical roles in biological processes. Specific and sensitive strategies have been developed to identify the glycosylation and phosphorylation of proteins by mass spectrometry but most of these methods have mainly focused on enriching glycopeptides or phosphopeptides separately, and few of them can enrich both of them. In this work, highly selective SiO2-NH2@TiO2 hollow microspheres were designed and synthesized for the simultaneous selective enrichment of both phosphopeptides and glycopeptides...
November 29, 2016: Analytical and Bioanalytical Chemistry
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