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miRNA diabetes

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https://www.readbyqxmd.com/read/28436605/digeorge-like-syndrome-in-a-child-with-a-3p12-3-deletion-involving-mir4273-gene-born-to-a-mother-with-gestational-diabetes-mellitus
#1
Emilia Cirillo, Giuliana Giardino, Vera Gallo, Giovanni Galasso, Roberta Romano, Roberta D'Assante, Giulia Scalia, Luigi Del Vecchio, Lucio Nitsch, Rita Genesio, Claudio Pignata
Chromosome 22q11.2 deletion is the most common chromosomal alteration associated with DiGeorge syndrome (DGS), even though this is not the only underlying cause of DGS. In rare patients, mutations in a single gene, TBX1, have been described resulting in a DGS phenotype. Recently, it has been reported that at least part of the TBX1 mutant phenotype is due to excessive bone morphogenetic proteins (BMP) signaling. Evidence suggests that miRNA may modulate the expression of critical T-box transcriptional regulators during midface development and Bmp-signaling...
April 24, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28433754/mir-146a-suppresses-stat3-vegf-pathways-and-reduces-apoptosis-through-il-6-signaling-in-primary-human-retinal-microvascular-endothelial-cells-in-high-glucose-conditions
#2
Eun-Ah Ye, Jena J Steinle
microRNA (miRNA) play critical roles in the pathological processes of diabetic retinopathy, including inflammatory responses, insulin signaling, and angiogenesis. In addition to their regulatory functions on gene expression, miRNA is considered as a potential therapeutic target, as well as a diagnostic marker for many diseases. Our understanding on the pathological mechanisms underlying diabetic retinopathy is still incomplete and additional investigations are required to develop novel therapeutic strategies...
April 19, 2017: Vision Research
https://www.readbyqxmd.com/read/28428964/micrornas-mediated-regulation-of-skeletal-muscle-glut4-expression-and-translocation-in-insulin-resistance
#3
REVIEW
João Victor Esteves, Francisco Javier Enguita, Ubiratan Fabres Machado
The solute carrier family 2 facilitated glucose transporter member 4 (GLUT4) plays a key role in the insulin-induced glucose uptake by muscle and adipose tissues. In prediabetes and diabetes, GLUT4 expression/translocation has been detected as reduced, participating in mechanisms that impair glycemic control. Recently, a class of short endogenous noncoding RNAs named microRNAs (miRNAs) has been increasingly described as involved in the posttranscriptional epigenetic regulation of gene expression. The present review focuses on miRNAs potentially involved in the expression of GLUT4 expression, and proteins related to GLUT4 and translocation in skeletal muscle, seeking to correlate them with insulin resistance and diabetes...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28419534/endocrine-imbalance-associated-with-proteome-changes-in-diabetes
#4
Amr A Sayed, Ahmed M Alhawary, Aboalela Farag, Dina R Johar, Larry H Bernstein
The dynamics of cellular metabolism involves rapid interactions between proteins and nucleotides, proteins and proteins, proteins and mRNA, the action of miRNA, and signaling. These also involve the interactions with respect to the sulfur bond, oxygen radicals that initiate a change in conformation and a chain of events. We review a development in molecular medicine that is a very promising work in progress. We also review the current and future research methods involving mitochondria. Long-term effects of diabetes include glycation of proteins, e...
April 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28412345/a-novel-identified-circular-rna-circrna_010567-promotes-myocardial-fibrosis-via-suppressing-mir-141-by-targeting-tgf-%C3%AE-1
#5
Bing Zhou, He-Yun Xu
Circular RNAs (circRNAs) are a novel type of endogenous noncoding RNA gaining research interest in recent years. Despite this increase in interest, the mechanism of circRNAs in the pathogenesis of multiple cardiovascular diseases, particularly myocardial fibrosis, is rarely reported. In the following study, the expression profiles and potential mechanisms of circRNAs in mice myocardial fibrosis models in vitro are investigated. Previous research examining circRNA expression profiles of diabetic db/db mice myocardium using circRNA microarray found 43 circRNAs were abnormally expressed, including 24 up-regulated circRNAs and 19 down-regulated circRNAs...
April 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28404597/altered-mirna-29-expression-in-type-2-diabetes-influences-glucose-and-lipid-metabolism-in-skeletal-muscle
#6
Julie Massart, Rasmus J O Sjögren, Leonidas S Lundell, Jonathan M Mudry, Niclas Franck, Donal J O'Gorman, Brendan Egan, Juleen R Zierath, Anna Krook
MicroRNAs have emerged as important regulators of glucose and lipid metabolism in several tissues, however, their role in skeletal muscle remains poorly characterized. We determined the effects of the miR-29 family on glucose and lipid metabolism, and insulin responsiveness in skeletal muscle. We provide evidence that miR-29a and miR-29c are increased in skeletal muscle from type 2 diabetic patients and decreased following endurance training in healthy young men and in rats. In primary human skeletal muscle cells, inhibition and overexpression strategies demonstrate that miR-29a and miR-29c regulate glucose uptake and insulin-stimulated glucose metabolism...
April 12, 2017: Diabetes
https://www.readbyqxmd.com/read/28379027/regulatory-rnas-and-cardiovascular-disease-with-a-special-focus-on-circulating-micrornas
#7
D Dlouhá, J A Hubáček
MicroRNAs (miRNAs) are a class of short non-coding regulatory RNA molecules which play an important role in intracellular communication and cell signaling and which influence cellular processes such as proliferation, differentiation, and cellular death. Over the past two decades, the crucial role of microRNAs in controlling tissue homeostasis and disease in cardiovascular systems has become widely recognized. By controlling the expression levels of their targets, several miRNAs have been shown to modulate the function of endothelial cells (miR-221/222 and -126), vascular smooth muscle cells (miR-143/145) and macrophages (miR-33, -758, and -26), thereby regulating the development and progression of atherosclerosis...
April 5, 2017: Physiological Research
https://www.readbyqxmd.com/read/28378294/micrornas-in-pregnancy-and-gestational-diabetes-mellitus-emerging-role-in-maternal-metabolic-regulation
#8
REVIEW
Cédrik Poirier, Véronique Desgagné, Renée Guérin, Luigi Bouchard
PURPOSE OF THE REVIEW: This review focuses on the recent emergence of microRNAs (miRNAs) as metabolic and developmental regulators in pregnancy and their role in the development of gestational diabetes mellitus (GDM). MiRNAs are short and stable RNA sequences that repress protein synthesis through interference with messenger RNA translation. RECENT FINDINGS: The placenta produces numerous miRNAs with some of them being released in the maternal circulation. These miRNA genes are encoded into specific clusters and expressed preferentially by placental cells, in a time-dependent manner...
May 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28373137/matrine-attenuates-cardiac-fibrosis-by-affecting-atf6-signaling-pathway-in-diabetic-cardiomyopathy
#9
Zhongwei Liu, Yong Zhang, Zhiguo Tang, Jing Xu, Meijuan Ma, Shuo Pan, Chuan Qiu, Gongchang Guan, Junkui Wang
Cardiac function and compliance impairments are the features of cardiac fibrosis. Matrine shows therapeutic effects on cardiovascular diseases and organ fibrosis. In this study, we examined the therapeutic effects and mechanisms of matrine on cardiac fibrosis of DbCM. Matrine was administrated orally to rats with DbCM. Cardiac functions and compliance were evaluated. The collagen deposition was visualized by sirius red staining. Real-time PCR was used to determine the expression level of miRNA. Western blotting was performed to assess the protein expression...
June 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28364255/microrna-184-is-a-downstream-effector-of-albuminuria-driving-renal-fibrosis-in-rats-with-diabetic-nephropathy
#10
Cristina Zanchi, Daniela Macconi, Piera Trionfini, Susanna Tomasoni, Daniela Rottoli, Monica Locatelli, Michael Rudnicki, Jo Vandesompele, Pieter Mestdagh, Giuseppe Remuzzi, Ariela Benigni, Carlamaria Zoja
AIMS/HYPOTHESIS: Renal fibrosis is a common complication of diabetic nephropathy and is a major cause of end-stage renal disease. Despite the suggested link between renal fibrosis and microRNA (miRNA) dysregulation in diabetic nephropathy, the identification of the specific miRNAs involved is still incomplete. The aim of this study was to investigate miRNA profiles in the diabetic kidney and to identify potential downstream targets implicated in renal fibrosis. METHODS: miRNA expression profiling was investigated in the kidneys of 8-month-old Zucker diabetic fatty (ZDF) rats during overt nephropathy...
March 31, 2017: Diabetologia
https://www.readbyqxmd.com/read/28346520/downregulation-of-mir-139-5p-contributes-to-the-antiapoptotic-effect-of-liraglutide-on-the-diabetic-rat-pancreas-and-ins-1-cells-by-targeting-irs1
#11
Jin Li, Lei Su, Ying-Ying Gong, Mei-Lin Ding, Shu-Bin Hong, Shuang Yu, Hai-Peng Xiao
Liraglutide is administered as glucagon-like peptide-1 (GLP-1) receptor agonist for diabetic patients and can protect pancreatic β-cells by inhibiting their apoptosis. MicroRNA-139-5p (miRNA-139-5p) participates in the regulation of cancer cell apoptosis. However, it is not clear whether miR-139-5p contributes to the anti-apoptotic effect of liraglutide in β-cells. The objective of the present study was to investigate the role of miR-139-5p on apoptosis of pancreatic β-cells. MicroRNA levels in pancreatic tissue from diabetic rats and INS-1 cells treated with liraglutide were measured by real-time quantitative RT-PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28344345/gastric-bypass-surgery-with-exercise-alters-plasma-micrornas-that-predict-improvements-in-cardiometabolic-risk
#12
Y O N Lopez, P M Coen, B H Goodpaster, A A Seyhan
BACKGROUND/OBJECTIVES: Roux-en-Y gastric bypass (RYGB) surgery improves insulin sensitivity (SI) and β-cell function in obese non-diabetic subjects. Exercise also improves SI and may be an effective adjunct therapy to RYGB surgery. However, the mechanisms by which exercise or weight-loss improve peripheral SI after RYGB surgery are unclear. We hypothesized that microRNAs (miRNAs) mediate at least some of the regulatory processes driving such mechanisms. Consequently, this work aimed at profiling plasma miRNAs in participants of the Physical Activity Following Surgery Induced Weight Loss study (clinicaltrials...
March 27, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28340815/expression-profile-of-microrna-biogenesis-components-in-renal-transplant-patients
#13
E Celen, M G Ertosun, H Kocak, A Dinckan, B Yoldas
BACKGROUND: MicroRNAs (miRNAs) and the miRNA biogenesis components are potential biomarkers of some prevalent diseases, such as cancer and diabetes. In light of this information, we aimed to investigate the expression profiles of miRNA biogenesis components in renal transplant patients before and after transplantation and how these profiles are related to immunosuppressive treatment and clinical outcomes of these patients. METHODS: In this study, gene and protein expression profiles of Dicer, Drosha, Pasha (DGCR8), Exportin5 (XPO5), and Argonaute2 (AGO2) in peripheral blood mononuclear cells (PBMCs) of renal transplant patients were evaluated by means of real-time quantitative polymerase chain reaction and Western blot methods before and 3 months after transplantation...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28323921/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#14
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/28317889/mirnas-novel-regulators-of-autoimmunity-mediated-pancreatic-%C3%AE-cell-destruction-in-type-1-diabetes
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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