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MicroRNA & diabetes

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https://www.readbyqxmd.com/read/28545106/serum-microrna-signatures-as-liquid-biopsies-for-interrogating-hepatotoxic-mechanisms-and-liver-pathogenesis-in-human
#1
Julian Krauskopf, Theo M de Kok, Shelli J Schomaker, Mark Gosink, Deborah A Burt, Patricia Chandler, Roscoe L Warner, Kent J Johnson, Florian Caiment, Jos C Kleinjans, Jiri Aubrecht
MicroRNAs (miRNAs) released into the peripheral circulation upon cellular injury have shown a promise as a new class of tissue-specific biomarkers. We were first to demonstrate that next-generation sequencing analysis of serum from human subjects with acetaminophen-induced liver injury revealed a specific signature of circulating miRNAs. We consequently hypothesized that different types of hepatic liver impairments might feature distinct signatures of circulating miRNAs and that this approach might be useful as minimally invasive diagnostic "liquid biopsies" enabling the interrogation of underlying molecular mechanisms of injury in distant tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28544111/kallistatin-reduces-vascular-senescence-and-aging-by-regulating-microrna-34a-sirt1-pathway
#2
Youming Guo, Pengfei Li, Lin Gao, Jingmei Zhang, Zhirong Yang, Grant Bledsoe, Eugene Chang, Lee Chao, Julie Chao
Kallistatin, an endogenous protein, protects against vascular injury by inhibiting oxidative stress and inflammation in hypertensive rats and enhancing the mobility and function of endothelial progenitor cells (EPCs). We aimed to determine the role and mechanism of kallistatin in vascular senescence and aging using cultured EPCs, streptozotocin (STZ)-induced diabetic mice, and Caenorhabditis elegans (C. elegans). Human kallistatin significantly decreased TNF-α-induced cellular senescence in EPCs, as indicated by reduced senescence-associated β-galactosidase activity and plasminogen activator inhibitor-1 expression, and elevated telomerase activity...
May 24, 2017: Aging Cell
https://www.readbyqxmd.com/read/28540689/involvement-of-micrornas-in-diabetes-and-its-complications
#3
Bin Wu, Daniel Miller
Diabetes is a severe condition worldwide. It is characterized by chronic hyperglycemia and is caused by defects in insulin production, secretion, and action. Both genetic and environmental factors contribute to the development of type 1 and type 2 diabetes. The pathogenesis of diabetes is complex and the underlying molecular mechanisms are only partially understood. MicroRNAs (miRNAs) play a fundamental role in diabetes and its complications. This chapter focuses on the dysregulation of miRNAs involved in the regulation of pancreatic islet insulin production and secretion as well as action and signaling in peripheral tissues...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28540676/micrornas-biomarkers-diagnostics-and-therapeutics
#4
Weili Huang
MicroRNAs (miRNAs) are small noncoding RNAs (21-23 nucleotides in length) that regulate gene expression at translational or posttranslational levels. The major regulatory mechanisms include translational repression or mRNA degradation (Filipowicz et al., Curr Opin Struct Biol 15:331-341, 2005).Aberrant expression of miRNAs has been found to be associated with a variety of human diseases such as cancers/tumors, diabetes, viral infections, cardiovascular diseases, neurodegenerative diseases, and other diseases (Wang et al...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28540143/association-between-coronary-artery-disease-and-microrna-literature-review-and-clinical-perspective
#5
Rehan Malik, Raja S Mushtaque, Usman A Siddiqui, Adnan Younus, Muhammad A Aziz, Choudhry Humayun, Kanaan Mansoor, Muhammad A Latif, Salman Waheed, Salman Assad, Idrees Khan, Syed M Bukhari, Daniel DelCampo, Ali Adus, Swetha Gannarapu
BACKGROUND: Until recently, circulating micro-RNAs (miRNAs) have attracted major interest as novel biomarkers for the early diagnosis of coronary artery disease (CAD). This review article summarizes the available evidence on the correlation of micro-RNAs with both the clinical and subclinical coronary artery disease and highlights the necessity for exploring miRNAs as a potential diagnostic and prognostic biomarker of early CAD in an adult population. METHODS: A systematic literature analysis and retrieval online systems Public/Publisher MEDLINE/ Excerpta Medica Database /Medical Literature Analysis and Retrieval System Online,(PUBMED/EMBASE/MEDLINE) search were conducted for relevant information...
April 23, 2017: Curēus
https://www.readbyqxmd.com/read/28539664/mirna-29c-regulates-the-expression-of-inflammatory-cytokines-in-diabetic-nephropathy-by-targeting-tristetraprolin
#6
Jia Guo, Jing Li, Jing Zhao, Shuguang Yang, Luyao Wang, Genyang Cheng, Dong Liu, Jing Xiao, Zhangsuo Liu, Zhanzheng Zhao
Diabetic nephropathy is one of the most prevalent chronic complications of Diabetes mellitus, but its pathogenesis remains elusive. This study was designed to determine the role of tristetraprolin (TTP), inflammatory cytokines and microRNAs (miRNAs) in DN. The blood and urine samples were obtained from 32 patients with DN, 33 patients with type 2 DM, and 35 normal healthy subjects as controls. Renal tissue samples were also obtained from 10 DN patients and 10 normal controls. The miRNA microarray analyses were performed in pooled plasma and urine sediment samples of eight DN patients and eight age- and sex-matched health control subjects and three paired renal tissues from patients with DN and normal controls...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28529949/microrna-expression-varies-according-to-glucose-tolerance-measurement-platform-and-biological-source
#7
S Dias, S Hemmings, C Muller, J Louw, C Pheiffer
Dysregulated microRNA (miRNA) expression is observed during type 2 diabetes (T2D), although the consistency of miRNA expression across measurement platform and biological source is uncertain. Here we report miRNA profiling in the whole blood and serum of South African women with different levels of glucose tolerance, using next generation sequencing (NGS) and quantitative real time PCR (qRT-PCR). Whole blood-derived miRNAs from women with newly diagnosed T2D (n = 4), impaired glucose tolerance (IGT) (n = 4), and normal glucose tolerance (NGT) (n = 4) were subjected to NGS, whereafter transcript levels of selected miRNAs were quantified in the whole blood and serum of these women using qRT-PCR...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28520942/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#8
Yu Zhang, Xinghui Sun, Basak Icli, Mark W Feinberg
Chronic, low-grade systemic inflammation and impaired microvascular function are critical hallmarks in the development of insulin resistance. Accordingly, insulin resistance is a major risk factor for type 2 diabetes and cardiovascular disease. Accumulating studies demonstrate that restoration of impaired function of the diabetic macro- and microvasculature may ameliorate a range of cardiovascular disease states and diabetes-associated complications. In this review, we focus on the emerging role of microRNAs (miRNAs), noncoding RNAs that fine-tune target gene expression and signaling pathways, in insulin-responsive tissues and cell types important for maintaining optimal vascular homeostasis and preventing the sequelae of diabetes-induced end organ injury...
April 1, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28503423/microrna-126-a-promising-novel-biomarker-in-peripheral-blood-for-diabetic-retinopathy
#9
Li-Li Qin, Mei-Xia An, Yan-Li Liu, Han-Chun Xu, Zhi-Qing Lu
AIM: To investigate the content of serum microRNA-126 (miR-126) and its role in screening retinal endothelial injury and early diagnosis of proliferative diabetic retinopathy. METHODS: The study included 184 serum samples, 59 samples from healthy individuals, 44 samples from diabetes mellitus (DM) patients without diabetic retinopathy (NDR), 42 from non-proliferative diabetic retinopathy (NPDR) patients and 39 samples from proliferative diabetic retinopathy (PDR) patients...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28500393/association-of-serum-micrornas-with-islet-autoimmunity-disease-progression-and-metabolic-impairment-in-relatives-at-risk-of-type-1-diabetes
#10
Isaac V Snowhite, Gloria Allende, Jay Sosenko, Ricardo L Pastori, Shari Messinger Cayetano, Alberto Pugliese
AIMS/HYPOTHESIS: MicroRNAs (miRNAs) are key regulators of gene expression and novel biomarkers for many diseases. We investigated the hypothesis that serum levels of some miRNAs would be associated with islet autoimmunity and/or progression to type 1 diabetes. METHODS: We measured levels of 93 miRNAs most commonly detected in serum. This retrospective cohort study included 150 autoantibody-positive and 150 autoantibody-negative family-matched siblings enrolled in the TrialNet Pathway to Prevention Study...
May 12, 2017: Diabetologia
https://www.readbyqxmd.com/read/28498508/stroke-in-women-risk-factors-and-clinical-biomarkers
#11
Hamed Mirzaei
Stroke has been emerged as one of major health problems for women worldwide. Increasing of knowledge in this field provided new data in this area which contribute to finding of new risk factors and could improve stroke treatment. A large number studies indicated a variety of risk factors including sex, age, race, smoking, diabetes, and physical inactivity could be involved in stroke in women. The understanding of various aspects involved in women stroke including risk factors, outcomes, stroke recovery, and prevention could provide new therapeutic platforms which could likely lead to better treatment in women stroke...
May 12, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28490541/exosomes-as-mediators-of-the-systemic-adaptations-to-endurance-exercise
#12
Adeel Safdar, Mark A Tarnopolsky
Habitual endurance exercise training is associated with multisystemic metabolic adaptations that lower the risk of inactivity-associated disorders such as obesity and type 2 diabetes mellitus (T2DM). Identification of complex systemic signaling networks responsible for these benefits are of great interest because of their therapeutic potential in metabolic diseases; however, specific signals that modulate the multisystemic benefits of exercise in multiple tissues and organs are only recently being discovered...
May 10, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28487136/role-of-micrornas-in-type-2-diabetes-and-associated-vascular-complications
#13
REVIEW
Joyita Banerjee, Vijay Nema, Yogita Dhas, Neetu Mishra
Type 2 diabetes mellitus (T2DM) has become a major health threat worldwide. MicroRNAs (miRNAs) are a group of non-coding RNAs known to regulate various biological processes including the pathogenesis of T2DM. Recent studies have pointed out that specific miRNAs play a critical role in controlling β cell activities and the development of diabetic vascular complications. Their association with the disease pathogenesis and omnipresence in body fluids have made them important players for prognosis, diagnosis and management of T2DM...
May 6, 2017: Biochimie
https://www.readbyqxmd.com/read/28467989/mir-338-3p-mediates-tnf-a-induced-hepatic-insulin-resistance-by-targeting-pp4r1-to-regulate-pp4-expression
#14
Lin Dou, Shuyue Wang, Libo Sun, Xiuqing Huang, Yang Zhang, Tao Shen, Jun Guo, Yong Man, Weiqing Tang, Jian Li
OBJECTIVE: Insulin resistance is a critical factor contributing to the pathogenesis of type 2 diabetes and other metabolic diseases. Recent studies have indicated that miR-338-3p plays an important role in cancer. Here, we investigated whether miR-338-3p mediates tumour necrosis factor-α (TNF-α)-induced hepatic insulin resistance. METHODS: The activation of the insulin signalling pathway and the level of glycogenesis were examined in the livers of the db/db and high fat diet (HFD)-fed mice and in HEP1-6 cells transfected with miR-338-3p mimic or inhibitor...
May 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28465657/the-microrna-21-signaling-pathway-is-involved-in-prorenin-receptor-prr-induced-vegf-expression-in-arpe-19-cells-under-a-hyperglycemic-condition
#15
Rashidul Haque, P Michael Iuvone, Li He, Kimberly Su Chung Choi, Ashley Ngo, Samantha Gokhale, Madiha Aseem, Daniel Park
PURPOSE: MicroRNAs (miRNAs/miRs) are involved in a large number of biological functions and diseases, such as cancer, cardiovascular diseases, and diabetes. MiR-21 has been reported to target Sprouty homolog 1 (SPRY1), SMAD7, and PTEN. In this study, we examined the underlying role of miR-21 in the regulation of prorenin receptor (PRR)-mediated induction of vascular endothelial growth factor (VEGF) expression via targeting SMAD7, SPRY1, and PTEN in a hyperglycemic condition. METHODS: PRR-mediated induction of VEGF under a hyperglycemic condition (high glucose, 33mM) was studied by treating ARPE-19 cells with perindopril (10 µmol/l), which inhibits angiotensin II-mediated signaling...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28465283/expression-of-micrornas-and-target-proteins-in-skeletal-muscle-of-rats-selectively-bred-for-high-and-low-running-capacity
#16
Samuel Pinto, Séverine Lamon, Erin J Stephenson, Ming Kalanon, Jasmine Mikovic, Lauren G Koch, Steven L Britton, John A Hawley, Donny M Camera
Impairments in mitochondrial function and substrate metabolism are implicated in the etiology of obesity and type 2 diabetes. MicroRNAs (miRNAs) can degrade mRNA or repress protein translation and have been implicated in the development of such disorders. We used a contrasting rat model system of selectively bred high- (HCR) or low- (LCR) intrinsic running capacity with established differences in metabolic health to investigate the molecular mechanisms through which miRNAs regulate target proteins mediating mitochondrial function and substrate oxidation processes...
May 2, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28462946/light-inducible-antimir-92a-as-a-therapeutic-strategy-to-promote-skin-repair-in-healing-impaired-diabetic-mice
#17
Tina Lucas, Florian Schäfer, Patricia Müller, Sabine A Eming, Alexander Heckel, Stefanie Dimmeler
MicroRNAs (miRs) are small non-coding RNAs that post-transcriptionally control gene expression. Inhibition of miRs by antisense RNAs (antimiRs) might be a therapeutic option for many diseases, but systemic inhibition can have adverse effects. Here we show that light-activatable antimiRs efficiently and locally restricted target miR activity in vivo. We use an antimiR-92a and establish a therapeutic benefit in diabetic wound healing. AntimiR-92a is modified with photolabile protecting groups, so called 'cages'...
May 2, 2017: Nature Communications
https://www.readbyqxmd.com/read/28458441/erratum-modulation-of-hippocampal-gene-expression-of-microrna-146a-microrna-155-nuclear-factor-kappa-b-inflammatory-signaling-by-troxerutin-in-healthy-and-diabetic-rats
#18
(no author information available yet)
[This corrects the article on p. 675 in vol. 48, PMID: 28066106.].
January 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28455975/suppression-of-microrna-205-5p-in-human-mesenchymal-stem-cells-improves-their-therapeutic-potential-in-treating-diabetic-foot-disease
#19
Lingyan Zhu, Gongxian Wang, Shane Fischbach, Xiangwei Xiao
Diabetes is a prevalent disease endangering human health, while diabetic foot disease (DF) is one of the most severe complications of diabetes. Mesenchymal stem cells (MSCs) have been used in DF treatment, taking advantage of the differentiation potential of MSCs into endothelial cells and their production and secretion of trophic factors like vascular endothelial growth factor (VEGF). Molecular modification of MSCs to improve their therapeutic effects has been recently applied in treating other diseases, but not yet in DF...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28447068/microrna-21-is-up-regulated-in-adipose-tissue-of-obese-diabetic-subjects
#20
Valeria Guglielmi, Monica D'Adamo, Rossella Menghini, Marina Cardellini, Paolo Gentileschi, Massimo Federici, Paolo Sbraccia
We investigated miR21 expression in omental (OAT) and subcutaneous adipose tissue (SAT) from 16 obese subjects undergoing bariatric surgery. Patients were divided into two age- and BMI-matched groups according to the presence of type 2 diabetes (T2D). miR21 was not differently expressed in OAT and SAT. However, miR21 expression was two folds greater in adipose tissue in patients with T2D. Accordingly, in primary cultures of adipocytes from non diabetic overweight subjects, miR21 expression increased after 24-h exposure to high glucose and insulin...
March 31, 2017: Nutrition and Healthy Aging
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