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Diabetes mirna

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https://www.readbyqxmd.com/read/28323921/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#1
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, non-coding 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...
February 17, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28317889/mirnas-novel-regulators-of-autoimmunity-mediated-pancreatic-%C3%AE-cell-destruction-in-type-1-diabetes
#2
REVIEW
Ying Zheng, Zhen Wang, Zhiguang Zhou
MicroRNAs (miRNAs) are a series of conserved, short, non-coding RNAs that modulate gene expression in a posttranscriptional manner. miRNAs are involved in almost every physiological and pathological process. Type 1 diabetes (T1D) is an autoimmune disease that is the result of selective destruction of pancreatic β-cells driven by the immune system. miRNAs are also important participants in T1D pathogenesis. Herein, we review the most recent data on the potential involvement of miRNAs in T1D. Specifically, we focus on two aspects: the roles of miRNAs in maintaining immune homeostasis and regulating β-cell survival and/or functions in T1D...
March 20, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28302726/the-rna-binding-protein-tristetraprolin-ttp-is-a-critical-negative-regulator-of-the-nlrp3-inflammasome
#3
Moritz Haneklaus, John D O'Neil, Andrew R Clark, Seth L Masters, Luke A J O'Neill
The NLRP3 inflammasome is a central regulator of inflammation in many common diseases, including atherosclerosis and Type 2 diabetes, driving the production of pro-inflammatory mediators such as IL-1β and IL-18. Due to its function as an inflammatory gatekeeper, expression and activation of NLRP3 need to be tightly regulated. In this study, we highlight novel post-transcriptional mechanisms that can modulate NLRP3 expression. We have identified the RNA-binding protein Tristetraprolin (TTP) as a negative regulator of NLRP3 in human macrophages...
March 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28273235/comparisons-of-serum-mirna-expression-profiles-in-patients-with-diabetic-retinopathy-and-type-2-diabetes-mellitus
#4
Jianping Ma, Jufang Wang, Yanfen Liu, Changyi Wang, Donghui Duan, Nanjia Lu, Kaiyue Wang, Lu Zhang, Kaibo Gu, Sihan Chen, Tao Zhang, Dingyun You, Liyuan Han
OBJECTIVES: The aim of this study was to compare the expression levels of serum miRNAs in diabetic retinopathy and type 2 diabetes mellitus. METHODS: Serum miRNA expression profiles from diabetic retinopathy cases (type 2 diabetes mellitus patients with diabetic retinopathy) and type 2 diabetes mellitus controls (type 2 diabetes mellitus patients without diabetic retinopathy) were examined by miRNA-specific microarray analysis. Quantitative real-time polymerase chain reaction was used to validate the significantly differentially expressed serum miRNAs from the microarray analysis of 45 diabetic retinopathy cases and 45 age-, sex-, body mass index- and duration-of-diabetes-matched type 2 diabetes mellitus controls...
February 1, 2017: Clinics
https://www.readbyqxmd.com/read/28273212/role-of-micrornas-in-the-treatment-of-type-2-diabetes-mellitus-with-roux-en-y-gastric-bypass
#5
Z Zhu, J Yin, D C Li, Z Q Mao
The aim of this study was to investigate the effect of Roux-en-Y gastric bypass (RYGB) on the peripheral blood microRNAs (miRNAs) of patients with type 2 diabetes mellitus (T2DM). miRNAs are small 20- to 22-nucleotide (nt) noncoding RNAs. They constitute a novel class of gene regulators that negatively regulate gene expression at the post-transcriptional level. miRNAs play an important role in several biological processes. Twelve patients with T2DM who were scheduled to undergo laparoscopic RYGB surgery were separated into two groups, using a body mass index of 30 kg/m2 as a cut-off point...
March 2, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28270439/comprehensive-functional-screening-of-mirnas-involved-in-fat-cell-insulin-sensitivity-among-women
#6
Ingrid Dahlman, Yasmina Belarbi, Jurga Laurencikiene, Annie M Pettersson, Peter Arner, Agné Kulyté
The key pathological link between obesity and type 2 diabetes is insulin resistance but the molecular mechanisms are not entirely identified. MicroRNAs (miRNA) are dysregulated in obesity and may contribute to insulin resistance. Our objective was to detect and functionally investigate miRNAs linked to insulin sensitivity in human subcutaneous white adipose tissue (scWAT). Subjects were selected based on the insulin-stimulated lipogenesis response of subcutaneous adipocytes. Global miRNA profiling was performed in abdominal scWAT of 18 obese insulin resistance (OIR), 21 obese insulin sensitive (OIS) and nine lean women...
March 7, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28264477/a-systematic-study-of-dysregulated-microrna-in-type-2-diabetes-mellitus
#7
Yuqing He, Yuanlin Ding, Biyu Liang, Juanjuan Lin, Taek-Kyun Kim, Haibing Yu, Hanwei Hang, Kai Wang
MicroRNAs (miRNAs) are small noncoding RNAs that modulate the cellular transcriptome at the post-transcriptional level. miRNA plays important roles in different disease manifestation, including type 2 diabetes mellitus (T2DM). Many studies have characterized the changes of miRNAs in T2DM, a complex systematic disease; however, few studies have integrated these findings and explored the functional effects of the dysregulated miRNAs identified. To investigate the involvement of miRNAs in T2DM, we obtained and analyzed all relevant studies published prior to 18 October 2016 from various literature databases...
February 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28264458/maternal-low-protein-diet-modulates-glucose-metabolism-and-hepatic-micrornas-expression-in-the-early-life-of-offspring-%C3%A2
#8
Jia Zheng, Xinhua Xiao, Qian Zhang, Tong Wang, Miao Yu, Jianping Xu
Emerging studies revealed that maternal protein restriction was associated with increased risk of type 2 diabetes mellitus in adulthood. However, the mechanisms of its effects on offspring, especially during early life of offspring, are poorly understood. Here, it is hypothesized that impaired metabolic health in offspring from maternal low-protein diet (LPD) is associated with perturbed miRNAs expression in offspring as early as the weaning age. We examined the metabolic effects on the C57BL/6J mice male offspring at weaning from dams fed with LPD or normal chow diet (NCD) throughout pregnancy and lactation...
February 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28260062/serum-microrna-profiling-and-bioinformatics-analysis-of-patients-with-type-2-diabetes-mellitus-in-a-chinese-population
#9
Ze-Min Yang, Long-Hui Chen, Min Hong, Ying-Yu Chen, Xiao-Rong Yang, Si-Meng Tang, Qian-Fa Yuan, Wei-Wen Chen
Type 2 diabetes mellitus (T2DM) is characterized by islet β-cell dysfunction and insulin resistance, which leads to an inability to maintain blood glucose homeostasis. Circulating microRNAs (miRNAs) have been suggested as novel biomarkers for T2DM prediction or disease progression. However, miRNAs and their roles in the pathogenesis of T2DM remain to be fully elucidated. In the present study, the serum miRNA expression profiles of T2DM patients in Chinese cohorts were examined. Total RNA was extracted from serum samples of 10 patients with T2DM and five healthy controls, and these was used in reverse-transcription‑quantitative polymerase chain reaction analysis with the Exiqon PCR system of 384 serum/plasma miRNAs...
February 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28254488/the-small-rna-mir-375-a-pancreatic-islet-abundant-mirna-with-multiple-roles-in-endocrine-beta-cell-function
#10
Lena Eliasson
The pathophysiology of diabetes is complex and recent research put focus on the pancreatic islets of Langerhans and the insulin-secreting beta cells as central in the development of the disease. MicroRNAs (miRNAs), the small non-coding RNAs regulating post-transcriptional gene expression, are significant regulators of beta cell function. One of the most abundant miRNAs in the islets is miR-375. This review focus on the role of miR-375 in beta cell function, including effects in development and differentiation, proliferation and regulation of insulin secretion...
February 27, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28253991/micrornas-as-peripheral-biomarkers-in-aging-and-age-related-diseases
#11
S Kumar, M Vijayan, J S Bhatti, P H Reddy
MicroRNAs (miRNAs) are found in the circulatory biofluids considering the important molecules for biomarker study in aging and age-related diseases. Blood or blood components (serum/plasma) are primary sources of circulatory miRNAs and can release these in cell-free form either bound with some protein components or encapsulated with microvesicle particles, called exosomes. miRNAs are quite stable in the peripheral circulation and can be detected by high-throughput techniques like qRT-PCR, microarray, and sequencing...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28249617/alpinia-oxyphylla-miq-extract-changes-mirna-expression-profiles-in-db-db-mouse-kidney
#12
Guankui Du, Man Xiao, Xuezi Zhang, Maoyu Wen, Chi Pang, Shangfei Jiang, Shenggang Sang, Yiqiang Xie
BACKGROUND: A number of dysregulated miRNAs have been identified and are proposed to have significant roles in the pathogenesis of type 2 diabetes mellitus or renal pathology. Alpinia oxyphylla has shown significant anti-inflammatory properties and play an anti-diabetes role. The objective of this study was to detect the alteration of miRNAs underlying the anti-diabetes effects of A. oxyphylla extract (AOE) in a type II diabetic animal model (C57BIKsj db-/db-). RESULTS: Treatment with AOE for 8 weeks led to lower concentrations of blood glucose, urine albumin, and urine creatinine...
March 1, 2017: Biological Research
https://www.readbyqxmd.com/read/28246388/serum-microrna-1-and-microrna-133a-levels-reflect-myocardial-steatosis-in-uncomplicated-type-2-diabetes
#13
D de Gonzalo-Calvo, R W van der Meer, L J Rijzewijk, J W A Smit, E Revuelta-Lopez, L Nasarre, J C Escola-Gil, H J Lamb, V Llorente-Cortes
Using in vitro, in vivo and patient-based approaches, we investigated the potential of circulating microRNAs (miRNAs) as surrogate biomarkers of myocardial steatosis, a hallmark of diabetic cardiomyopathy. We analysed the cardiomyocyte-enriched miRNA signature in serum from patients with well-controlled type 2 diabetes and with verified absence of structural heart disease or inducible ischemia, and control volunteers of the same age range and BMI (N = 86), in serum from a high-fat diet-fed murine model, and in exosomes from lipid-loaded HL-1 cardiomyocytes...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28239651/profiling-of-circulating-micrornas-in-children-with-recent-onset-of-type-1-diabetes
#14
Suheda Erener, Ashish Marwaha, Rusung Tan, Constadina Panagiotopoulos, Timothy J Kieffer
Type 1 diabetes (T1D) is an autoimmune disease that is clinically silent until the majority of β cells are destroyed. There is an unmet need for reliable and cost-effective biomarkers to predict and diagnose diabetes at an early stage. A number of stable microRNAs (miRNAs) have been reported in serum and plasma and are now being investigated as biomarkers of different diseases. We measured the levels of 745 miRNAs in sera of children with recent-onset T1D and age-matched controls using locked nucleic acid-enhanced (LNA-enhanced) quantitative PCR profiling...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28230206/mirna-21-mediates-the-antiangiogenic-activity-of-metformin-through-targeting-pten-and-smad7-expression-and-pi3k-akt-pathway
#15
Mao Luo, Xiaoyong Tan, Lin Mu, Yulin Luo, Rong Li, Xin Deng, Ni Chen, Meiping Ren, Yongjie Li, Liqun Wang, Jianbo Wu, Qin Wan
Metformin, an anti-diabetic drug commonly used for type 2 diabetes therapy, is associated with anti-angiogenic effects in conditions beyond diabetes. miR-21 has been reported to be involved in the process of angiogenesis. However, the precise regulatory mechanisms by which the metformin-induced endothelial suppression and its effects on miR-21-dependent pathways are still unclear. Bioinformatic analysis and identification of miR-21 and its targets and their effects on metformin-induced antiangiogenic activity were assessed using luciferase assays, quantitative real-time PCR, western blots, scratch assays, CCK-8 assays and tubule formation assays...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228635/mir-3202-promoted-h5v-cell-apoptosis-by-directly-targeting-fas-apoptotic-inhibitory-molecule-2-faim2-in-high-glucose-condition
#16
Xiaozhong Huang, Hui Xie, Guanhua Xue, Meng Ye, Lan Zhang
BACKGROUND Vascular complications are a major concern for patients with diabetes. Endothelial cells (ECs) play a key role in vascular function. MicroRNAs (miRNAs) have been shown to play an important role in mediating EC function; miRNAs are vulnerable to hyperglycemic conditions. Previous reports verified that Fas apoptotic inhibitory molecule 2 (FAIM2) can inhibit cell apoptosis through repressing the FAS-associated death domain protein (FADD) pathway. This current study was designed to explore the potential involvement of miR-3202 in the pathogenesis of ECs in high-glucose conditions...
February 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28225916/expression-profiles-of-enos-inos-and-microrna-27b-in-the-corpus-cavernosum-of-rats-submitted-to-chronic-alcoholism-and-diabetes-mellitus
#17
Joao Paulo da Cunha, Fermino Sanches Lizarte, Paulo Cezar Novais, Daniela Gattas, Camila Albuquerque Mello de Carvalho, Daniela Pretti da Cunha Tirapelli, Carlos Augusto Fernandes Molina, Luis Fernando Tirapelli, Silvio Tucci
Purpose: To evaluate the expression of endothelial and inducible NOS in addition to the miRNA-27b in the corpus cavernosum and peripheral blood of healthy rats, diabetic rats, alcoholic rats and rats with both pathologies. Methods: Forty eight Wistar rats were divided into four groups: control (C), alcoholic (A), diabetic (D) and alcoholic-diabetic (AD). Samples of the corpus cavernosum were prepared to study protein expressions of eNOS and iNOS by immunohistochemistry and expression of miRNA-27b in the corpus cavernosum and peripheral blood...
January 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28199183/mrna-mirna-integrative-analysis-of-diabetes-induced-cardiomyopathy-in-rats
#18
Mariana B Lopes, Renata Cc Freitas, Mario H Hirata, Rosario Dc Hirata, Adriana A Rezende, Vivian N Silbiger, Raul H Bortolin, Andre D Luchessi
An integrative analysis of miRNA and mRNA expression profiles in left ventricle (LV) of diabetes-induced rats was performed to elucidate the role of miRNAs and their mRNAs target in diabetic cardiomyopathy (DCM). mRNA (GSE4745) and miRNA (GSE44179) datasets were downloaded from Gene Expression Omnibus 2R (GEO2R) and differentially expressed mRNAs and miRNAs were selected. Cardiotoxicity-related mRNAs (n=7) were analyzed by Ingenuity Pathway Analyses 6 (IPA) and regulatory miRNAs (n=639) were identified using TargetScan 7...
March 1, 2017: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28181241/interplay-between-mirnas-and-human-diseases-a-review
#19
REVIEW
Prosenjit Paul, Anindya Chakraborty, Debasree Sarkar, Malobika Langthasa, Musfhia Rahman, Minakshi Bari, Rk Sanamacha Singha, Arup Kumar Malakar, Supriyo Chakraborty
MicroRNAs (miRNAs) are endogenous, non-coding RNAs, which have evoked a great deal of interest due to their importance in many aspects of homeostasis and diseases. MicroRNAs are stable and are essential components of gene regulatory networks. They play a crucial role in healthy individuals and their dysregulations have also been implicated in a wide range of diseases, including diabetes, cardiovascular disease, kidney disease and cancer. This review summarized the current understanding of interactions between miRNAs and different diseases and their role in disease diagnosis and therapy...
February 9, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28178938/messenger-rna-and-microrna-transcriptomic-signatures-of-cardiometabolic-risk-factors
#20
David D McManus, Jian Rong, Tianxiao Huan, Sean Lacey, Kahraman Tanriverdi, Peter J Munson, Martin G Larson, Roby Joehanes, Venkatesh Murthy, Ravi Shah, Jane E Freedman, Daniel Levy
BACKGROUND: Cardiometabolic (CM) risk factors are heritable and cluster in individuals. We hypothesized that CM risk factors are associated with multiple shared and unique mRNA and microRNA (miRNA) signatures. We examined associations of mRNA and miRNA levels with 6 CM traits: body mass index, HDL-cholesterol and triglycerides, fasting glucose, and systolic and diastolic blood pressures through cross-sectional analysis of 2812 Framingham Heart Study who had whole blood collection for RNA isolation for mRNA and miRNA expression studies and who consented to genetic research...
February 8, 2017: BMC Genomics
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