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Diabetic biomarkers

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https://www.readbyqxmd.com/read/28736579/changes-of-myocardial-lipidomics-profiling-in-a-rat-model-of-diabetic-cardiomyopathy-using-uplc-q-tof-ms-analysis
#1
Shifen Dong, Rong Zhang, Yaoyue Liang, Jiachen Shi, Jiajia Li, Fei Shang, Xuezhou Mao, Jianning Sun
BACKGROUND: Diabetic cardiomyopathy (DCM) is a serious cardiac dysfunction induced by changes in the structure and contractility of the myocardium that are initiated in part by alterations in energy substrates. The underlying mechanisms of DCM are still under controversial. The observation of lipids, especially lipidomics profiling, can provide an insight into the know the biomarkers of DCM. The aim of our research was to detect changes of myocardial lipidomics profiling in a rat model of diabetic cardiomyopathy...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28736121/potential-of-circulatory-procalcitonin-as-a-biomarker-reflecting-inflammation-among-south-indian-diabetic-foot-ulcers
#2
Dhamodharan Umapathy, Sireesh Dornadula, Arvind Rajagopalan, Narayana Murthy, Vairamani Mariappanadar, Rajesh Kesavan, Ramkumar Kunka Mohanram
OBJECTIVE: Diabetic foot ulcer (DFU), the major complication associated with diabetes mellitus, has been shown to precede amputation in up to 90% of cases. Recent data reveal that procalcitonin (PCT) is a valid marker for the diagnosis of bacterial infections compared with traditional markers like white blood cell count, C-reactive protein levels, and erythrocyte sedimentation rate in DFU patients. Furthermore, cytokines are proposed to act as modulators and mediators for the expression and release of PCT into the circulation...
July 20, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28734103/levels-of-wound-calprotectin-and-other-inflammatory-biomarkers-aid-in-deciding-which-patients-with-a-diabetic-foot-ulcer-need-antibiotic-therapy-induce-study
#3
J R Ingram, S Cawley, E Coulman, C Gregory, E Thomas-Jones, T Pickles, R Cannings-John, N A Francis, K Harding, K Hood, V Piguet
AIMS: Deciding if a diabetic foot ulcer is infected in a community setting is challenging without validated point-of-care tests. Four inflammatory biomarkers were investigated to develop a composite algorithm for mildly infected diabetic foot ulcers: venous white cell count, C-reactive protein (CRP) and procalcitonin, and a novel wound exudate calprotectin assay. Calprotectin is a marker of neutrophilic inflammation. METHODS: In a prospective study, people with uninfected or mildly infected diabetic foot ulcers who had not received oral antibiotics in the preceding 2 weeks were recruited from community podiatry clinics for measurement of inflammatory biomarkers...
July 22, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28734090/sleep-duration-and-progression-to-diabetes-in-people-with-prediabetes-defined-by-hba1c-concentration
#4
Chan-Won Kim, Yoosoo Chang, Eunju Sung, Seungho Ryu
AIMS: To evaluate the association between sleep duration and the risk of progression to diabetes among people with prediabetes, defined by HbA1c values. METHODS: We conducted a cohort study in 17 983 adults who underwent health check-up examinations, including assessments of sleep duration and quality. Diabetes was defined as either HbA1c ≥48 mmol/mol (6.5%), or the use of antidiabetic medication. Time-dependent proportional hazards models were used to evaluate the association between sleep duration and the risk of progression to diabetes...
July 22, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28733034/decreased-expression-of-mir-150-mir146a-and-mir424-in-type-1-diabetic-patients-association-with-ongoing-islet-autoimmunity
#5
Guofeng Wang, Yong Gu, Ning Xu, Mei Zhang, Tao Yang
BACKGROUND: Recent studies revealed altered miRNAs profiling in patients with autoimmune diseases, including type 1 diabetes (T1D). Here, we conducted an observational study and examined the expression levels of these five miRNAs (miR-150,miR-146a,miR-424,miR-181a and miR-142-3P) in peripheral blood mononuclear cells (PBMCs) from T1D patients. METHODS: PBMCs were obtained from T1D cohorts (n = 78), type 2 diabetes (T2D, n = 46) and healthy control subjects (n = 56)...
July 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28731290/autoantibodies-against-pfdn2-are-associated-with-an-increased-risk-of-type-2-diabetes-a-case-control-study
#6
Douglas C Chang, Paolo Piaggi, Robert L Hanson, William C Knowler, Clifton Bogardus, Jonathan Krakoff
BACKGROUND: The adaptive immune system is involved in type 2 diabetes mellitus (T2DM), indicating the presence of unidentified autoantibodies that might be useful biomarkers for emerging immunomodulatory therapy. A prior microarray study with a small number of participants suggested the association of novel autoantibodies with T2DM in Southwest American Indians (SAIs). We therefore sought to determine whether antibodies against 14 target proteins are associated with T2DM in a large case-control study...
July 21, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28731155/marine-collagen-peptides-reduce-endothelial-cell-injury-in-diabetic-rats-by-inhibiting-apoptosis-and-the-expression-of-coupling-factor-6-and-microparticles
#7
Cuifeng Zhu, Wei Zhang, Jianguo Liu, Bo Mu, Fan Zhang, Nannan Lai, Jianxin Zhou, Aimin Xu, Yong Li
The present study aimed to elucidate the role of marine collagen peptides (MCPs) in protection of carotid artery vascular endothelial cells (CAVECs) in type 2 diabetes mellitus (T2DM), and the mechanism underlying this process. In an in vivo experiment, diabetic Wistar rats were divided randomly into four groups (n=10/group): Diabetes control, and three diabetes groups administered low, medium and high doses of MCPs (2.25, 4.5 and 9.0 g/kg body weight/day, respectively). Another 10 healthy rats served as the control...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28729721/plasma-derived-exosome-characterization-reveals-a-distinct-microrna-signature-in-long-duration-type-1-diabetes
#8
Marta Garcia-Contreras, Sanket H Shah, Alejandro Tamayo, Paul D Robbins, Ronald B Golberg, Armando J Mendez, Camillo Ricordi
Type 1 diabetes mellitus (T1DM) results from an autoimmune attack against the insulin-producing ß cells which leads to chronic hyperglycemia. Exosomes are lipid vesicles derived from cellular multivesicular bodies that are enriched in specific miRNAs, potentially providing a disease-specific diagnostic signature. To assess the value of exosome miRNAs as biomarkers for T1DM, miRNA expression in plasma-derived exosomes was measured. Nanoparticle tracking analysis and transmission electron microscopy confirmed the presence of plasma-derived exosomes (EXOs) isolated by differential centrifugation...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729407/long-term-stroke-risk-prediction-in-patients-with-atrial-fibrillation-comparison-of-the-abc-stroke-and-cha2ds2-vasc-scores
#9
José Miguel Rivera-Caravaca, Vanessa Roldán, María Asunción Esteve-Pastor, Mariano Valdés, Vicente Vicente, Gregory Y H Lip, Francisco Marín
BACKGROUND: The ABC-stroke score (age, biomarkers [N-terminal fragment B-type natriuretic peptide, high-sensitivity troponin], and clinical history [prior stroke/transient ischemic attack]) was proposed to predict stroke in atrial fibrillation (AF). This score was derived/validated in 2 clinical trial cohorts in which patients with AF were highly selected and carefully followed-up. However, the median follow-up was 1.9 years in the trial cohort; therefore, its long-term predictive performance remains uncertain...
July 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28729194/establishment-of-human-retinal-mitoscriptome-gene-expression-signature-for-diabetic-retinopathy-using-cadaver-eyes
#10
Gowthaman Govindarajan, Saumi Mathews, Karthik Srinivasan, Kim Ramasamy, Sundaresan Periyasamy
Diabetic retinopathy (DR) is a leading cause of blindness due to retinal microvasculature. We used microarray analysis for the first time to establish the retinal mitoscriptome gene expression signature for DR using human cadaver eyes. Among the 1042 genes, 60 (52-down, 8-up) and 39 (36-down, 3-up) genes were differentially expressed in the DR as compared to normal control and diabetic retinas respectively. These genes were mainly responsible for regulating angiogenesis, anti-oxidant defense mechanism, ATP production and apoptosis contributing to the disease pathology of DR...
July 17, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28728851/predictors-of-incident-heart-failure-in-patients-after-an-acute-coronary-syndrome-the-lipid-heart-failure-risk-prediction-model
#11
Andrea Driscoll, Elizabeth H Barnes, Stefan Blankenberg, David M Colquhoun, David Hunt, Paul J Nestel, Ralph A Stewart, Malcolm J West, Harvey D White, John Simes, Andrew Tonkin
BACKGROUND: Coronary heart disease is a major cause of heart failure. Availability of risk-prediction models that include both clinical parameters and biomarkers is limited. We aimed to develop such a model for prediction of incident heart failure. METHODS: A multivariable risk-factor model was developed for prediction of first occurrence of heart failure death or hospitalization. A simplified risk score was derived that enabled subjects to be grouped into categories of 5-year risk varying from <5% to >20%...
June 30, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28728579/circulating-sortilin-level-as-a-potential-biomarker-for-coronary-atherosclerosis-and-diabetes-mellitus
#12
Tae Jung Oh, Chang Ho Ahn, Bo-Rahm Kim, Kyoung Min Kim, Jae Hoon Moon, Soo Lim, Kyong Soo Park, Cheong Lim, HakChul Jang, Sung Hee Choi
CONTEXT: A previous genome-wide association study showed that a genetic variant of sortilin was associated with the risk of coronary artery disease (CAD). However, the role of circulating sortilin is still unknown. We investigated the potential role of plasma sortilin as a biomarker for CAD and diabetes mellitus. METHODS: We enrolled statin-naïve subjects with CAD (n = 31) who underwent coronary artery bypass surgery and control subjects (n = 116) who were free from CAD as evaluated by coronary CT angiography...
July 20, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28728079/probucol-ameliorates-renal-injury-in-diabetic-nephropathy-by-inhibiting-the-expression-of-the-redox-enzyme-p66shc
#13
Shikun Yang, Li Zhao, Yachun Han, Yu Liu, Chao Chen, Ming Zhan, Xiaofen Xiong, Xuejing Zhu, Li Xiao, Chun Hu, Fuyou Liu, Zhiguang Zhou, Yashpal S Kanwar, Lin Sun
AIMS: Probucol is an anti-hyperlipidemic agent and a potent antioxidant drug that can delay progression of diabetic nephropathy (DN) and reverses renal oxidative stress in diabetic animal models; however, the mechanisms underlying these effects remain unclear. p66Shc is a newly recognized mediator of mitochondrial ROS production in renal cells under high-glucose (HG) ambience. We previously showed that p66Shc can serve as a biomarker for renal oxidative injury in DN patients and that p66Shc up-regulation is correlated with renal damage in vivo and in vitro...
July 4, 2017: Redox Biology
https://www.readbyqxmd.com/read/28727822/dna-methylation-of-candidate-genes-in-peripheral-blood-from-patients-with-type-2-diabetes-or-the-metabolic-syndrome
#14
Sanne D van Otterdijk, Alexandra M Binder, Katarzyna Szarc Vel Szic, Julia Schwald, Karin B Michels
INTRODUCTION: The prevalence of type 2 diabetes (T2D) and the metabolic syndrome (MetS) is increasing and several studies suggested an involvement of DNA methylation in the development of these metabolic diseases. This study was designed to investigate if differential DNA methylation in blood can function as a biomarker for T2D and/or MetS. METHODS: Pyrosequencing analyses were performed for the candidate genes KCNJ11, PPARγ, PDK4, KCNQ1, SCD1, PDX1, FTO and PEG3 in peripheral blood leukocytes (PBLs) from 25 patients diagnosed with only T2D, 9 patients diagnosed with T2D and MetS and 11 control subjects without any metabolic disorders...
2017: PloS One
https://www.readbyqxmd.com/read/28726959/association-of-cultured-myotubes-and-fasting-plasma-metabolite-profiles-with-mitochondrial-dysfunction-in-type-2-diabetes-subjects
#15
Mohamad Hafizi Abu Bakar, Mohamad Roji Sarmidi
Accumulating evidence implicates mitochondrial dysfunction-induced insulin resistance in skeletal muscle as the root cause for the greatest hallmarks of type 2 diabetes (T2D). However, the identification of specific metabolite-based markers linked to mitochondrial dysfunction in T2D has not been adequately addressed. Therefore, we sought to identify the markers-based metabolomics for mitochondrial dysfunction associated with T2D. First, a cellular disease model was established using human myotubes treated with antimycin A, an oxidative phosphorylation inhibitor...
July 20, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28725914/vascular-complications-in-diabetes-old-messages-new-thoughts
#16
REVIEW
Josephine M Forbes, Amelia K Fotheringham
In parallel with the growing diabetes pandemic, there is an increasing burden of micro- and macrovascular complications, occurring in the majority of patients. The identification of a number of synergistic accelerators of disease, providing therapeutic pathways, has stabilised the incidence of complications in most western nations. However, the primary instigators of diabetic complications and, thus, prevention strategies, remain elusive. This has necessitated a refocus on natural history studies, where tissue and plasma samples are sequentially taken to determine when and how disease initiates...
July 19, 2017: Diabetologia
https://www.readbyqxmd.com/read/28724636/predictive-imaging-biomarkers-relevant-for-functional-and-anatomical-outcomes-during-ranibizumab-therapy-of-diabetic-macular-oedema
#17
Bianca S Gerendas, Sonja Prager, Gabor Deak, Christian Simader, Jan Lammer, Sebastian M Waldstein, Tadhg Guerin, Michael Kundi, Ursula Margarethe Schmidt-Erfurth
BACKGROUND/AIMS: The objective is to identify imaging biomarkers in optical coherence tomography predicting functional/anatomical outcomes in diabetic macular oedema (DMO). METHODS: The presented study is a post hoc analysis of the RESTORE/RESTORE-extension studies. Best-corrected visual acuity (BCVA) was analysed using general estimating equation models using treatment group/morphological features as predictor variables. In addition, linear multiple regression models analysed BCVA gain up to 12 and 36 months with BCVA/morphological baseline characteristics as independent predictor variables...
July 19, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28722418/urine-metabonomics-reveals-early-biomarkers-in-diabetic-cognitive-dysfunction
#18
Lili Song, Pengwei Zhuang, Mengya Lin, Mingqin Kang, Hongyue Liu, Yuping Zhang, Zhen Yang, Yunlong Chen, Yanjun Zhang
Recently, increasing attention has been paid to diabetic encephalopathy which is one of frequent diabetic complications and affects nearly 30% diabetics. Since cognitive dysfunction from diabetic encephalopathy might develop irreversible dementia, early diagnosis and detection of this disease is of great significance for its prevention and treatment. This study is to investigate the early specific metabolites biomarkers in the urine prior to the onset of diabetic cognitive dysfunction (DCD) by using metabolomics technology...
July 19, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28722030/therapeutic-lifestyle-change-diet-enriched-in-legumes-reduces-oxidative-stress-in-overweight-type-2-diabetic-patients-a-crossover-randomised-clinical-trial
#19
P Mirmiran, S Hosseinpour-Niazi, F Azizi
The objective of this study was to investigate whether a diet rich in legumes are associated with oxidative stress among type 2 diabetic patients. In a randomized, controlled, crossover clinical trial, 31 type 2 diabetic patients were randomly assigned to receive 2 diets, each for a period of 8 weeks: (1) The legume-free therapeutic lifestyle change (TLC) diet and (2) the legume-based TLC diet. Both diets were similar except that 2 servings of red meat were replaced by different types of legumes 3 days per week in the legume-based TLC diet...
July 19, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28721818/eurycoma-longifolia-a-potential-phytomedicine-for-the-treatment-of-cancer-evidence-of-p53-mediated-apoptosis-in-cancerous-cells
#20
Hnin Ei Thu, Zahid Hussain, Isa Naina Mohamed, Ahmad Nazrun Shuid
BACKGROUND: Eurycoma longifolia is a well-documented herbal medicine that has gained widespread recognition due to its versatile pharmacological activities including anticancer, anti-malarial, antimicrobial, antioxidant, aphrodisiac, anti-inflammatory, anxiolytic, anti-diabetic, anti-rheumatism and anti-ulcer. Plethora of in vitro and in vivo studies evidenced their excellent anti-proliferative and anticancer efficacy against various types of human cancers. OBJECTIVE: This review was aimed to critically analyze the therapeutic viability and anticancer efficacy of Eurycoma longifolia in the treatment of cancer and also to propose its molecular and translational mechanism of cytotoxicity against cancerous cells...
July 18, 2017: Current Drug Targets
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