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Diabetes mirna

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https://www.readbyqxmd.com/read/29135286/vitamin-b12-supplementation-influences-methylation-of-genes-associated-with-type-2-diabetes-and-its-intermediate-traits
#1
Dilip K Yadav, Smeeta Shrestha, Karen A Lillycrop, Charu V Joglekar, Hong Pan, Joanna D Holbrook, Caroline Hd Fall, Chittaranjan S Yajnik, Giriraj R Chandak
AIM: To investigate the effect of B12 and/or folic acid supplementation on genome-wide DNA methylation. METHODS: We performed Infinium HumanMethylation450 BeadChip (Zymo Research, CA, USA) assay in children supplemented with B12 and/or folic acid (n = 12 in each group) and investigated the functional mechanism of selected differentially methylated loci. RESULTS: We noted significant methylation changes postsupplementation in B12 (589 differentially methylated CpGs and 2892 regions) and B12 + folic acid (169 differentially methylated CpGs and 3241 regions) groups...
November 14, 2017: Epigenomics
https://www.readbyqxmd.com/read/29133778/glucagon-like-peptide-1-glp-1-receptor-agonist-liraglutide-alters-bone-marrow-exosome-mediated-mirna-signal-pathways-in-ovariectomized-rats-with-type-2-diabetes
#2
Jin Li, Ling-Zhi Fu, Lu Liu, Fen Xie, Ru-Chun Dai
BACKGROUND Compared with normal postmenopausal women, estrogen deficiency and hyperglycemia in postmenopausal women with type 2 diabetes (T2DM) lead to more severe bone property degradation. Liraglutide, a glucagon-like peptide-1 (GLP-1) receptor agonist, has been reported to improve bone condition among people with T2DM but the precise mechanisms remain unclear. Exosomes work as mediators in cell-to-cell communication, delivering functional miRNAs between cells. We aimed to explore the role of exosomes in T2DM-related bone metabolic disorders and the bone protective mechanisms of liraglutide...
November 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29130298/role-of-micrornas-mirnas-in-pathophysiology-of-diabetes-mellitus
#3
Juhi Tiwari, Gaurav Gupta, Terezinha de Jesus Andreoli Pinto, Rahul Sharma, Kavita Pabreja, Yogesh Matta, Neha Arora, Anurag Mishra, Rakesh Sharma, Kamal Dua
Diabetes Mellitus is becoming the critical problem among the entire world and it is difficult to understand the molecular mechanism representing the concept of diabetic pathology. Recently the knowledge of the involvement of genetics in type 2 diabetes mellitus (T2DM) susceptibility has sketched a great concentration towards the transcriptional activity of ß cells within the pancreas. This disease becomes the leading cause of death so it is necessary to study the molecular pathogenesis, phenotypes, and characteristics to design the therapeutic parameters...
November 10, 2017: Panminerva Medica
https://www.readbyqxmd.com/read/29124099/data-on-the-expression-and-insulin-stimulated-phosphorylation-of-irs-1-by-mir-96-in-l6-glut4myc-myocytes
#4
Won-Mo Yang, Kyung-Ho Min, Yi-Seul Son, Se-Whan Park, Wan Lee
Diets containing a high saturated fatty acid (SFA) increase the risk of metabolic diseases, and microRNAs (miRNAs) induced by SFA have been implicated in the pathogenesis of insulin resistance and type 2 diabetes. In a previous report, miR-96 is found to be upregulated by SFA and involved in the suppression of insulin signaling intermediates, leading to insulin resistance in hepatocytes (Yang et al., 2016) [1]. This article presents the accompanying data collected from L6-GLUT4myc myocytes to determine the effects of miR-96 on insulin signaling in skeletal muscle cells...
December 2017: Data in Brief
https://www.readbyqxmd.com/read/29122960/mir-335-overexpression-impairs-insulin-secretion-through-defective-priming-of-insulin-vesicles
#5
Vishal A Salunkhe, Jones K Ofori, Nikhil R Gandasi, Sofia A Salö, Sofia Hansson, Markus E Andersson, Anna Wendt, Sebastian Barg, Jonathan L S Esguerra, Lena Eliasson
MicroRNAs contribute to the maintenance of optimal cellular functions by fine-tuning protein expression levels. In the pancreatic β-cells, imbalances in the exocytotic machinery components lead to impaired insulin secretion and type 2 diabetes (T2D). We hypothesize that dysregulated miRNA expression exacerbates β-cell dysfunction, and have earlier shown that islets from the diabetic GK-rat model have increased expression of miRNAs, including miR-335-5p (miR-335). Here, we aim to determine the specific role of miR-335 during development of T2D, and the influence of this miRNA on glucose-stimulated insulin secretion and Ca(2+)-dependent exocytosis...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29113498/decreased-serum-microrna-21-level-is-associated-with-obesity-in-healthy-and-type-2-diabetic-subjects
#6
Samira Ghorbani, Roya Mahdavi, Behnam Alipoor, Ghodratollah Panahi, Ensieh Nasli Esfahani, Farideh Razi, Mohhammad Taghikhani, Reza Meshkani
BACKGROUND: Recently, much attention has been paid to the role of circulating microRNAs (miRNAs) as novel biomarkers for various diseases. The aim of this study was to investigate the level of a subset of miRNAs in serum samples of the diabetic and healthy subjects. METHODS: Forty two healthy and 45 T2D subjects participated in this study. Serum miR-21, miR-126, and miR-146a levels were measured using real-time PCR. RESULTS: There was no significant difference in the serum level of miR-21, miR-126, and miR-146a between the diabetic and non-diabetic groups...
November 7, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29110598/sirt1-as-a-therapeutic-target-in-diabetic-complications
#7
Justyna Strycharz, Żaneta Rygielska, Ewa Świderska, Józef Drzewoski, Janusz Szemraj, Leszek Szmigiero, Agnieszka Śliwińska
Background SIRT1 is an epigenetic enzyme involved in histone and non-histone protein deacetylation. It acts primarily as a metabolic sensor, which responses to changing energy status by deacetylating crucial transcription factors and cofactors. In this way, SIRT1 regulates mitochondrial function and biogenesis, oxidative stress, inflammation, apoptosis and cellular senescence. Disturbance of all of these phenomena promotes the pathogenesis of diabetic complications. These disorders are inseparably connected with chronic hyperglycemia, which possesses a strong epigenetic determinant...
November 6, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29108839/association-between-a-mir499a-polymorphism-and-diabetic-neuropathy-in-type-2-diabetes
#8
Cinzia Ciccacci, Andrea Latini, Carla Greco, Cristina Politi, Cinzia D'Amato, Davide Lauro, Giuseppe Novelli, Paola Borgiani, Vincenza Spallone
AIMS: Diabetic polyneuropathy (DPN) and cardiovascular autonomic neuropathy (CAN) affect a large percentage of diabetic people and impact severely on quality of life. As it seems that miRNAs and their variations might play a role in these complications, we investigated whether the rs3746444 SNP in the MIR499A gene could be associated with susceptibility to DPN and/or CAN. METHODS: We analyzed 150 participants with type 2 diabetes. DNA was extracted from peripheral blood samples and genotyping was performed by TaqMan genotyping assay...
October 26, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29107764/current-attempts-to-implement-microrna-based-diagnostics-and-therapy-in-cardiovascular-and-metabolic-disease-a-promising-future
#9
Punniyakoti V Thanikachalam, Srinivasan Ramamurthy, Zheng W Wong, Koo B Jin, Wong J Ying, Mohd F B Abdullah, Chin Y Haur, Chia C Hou, Tan J Yi, Neo W Ting, Tan B Sen, Khan W Fang, Prashant Kesharwani
MicroRNAs (miRNAs) are small, noncoding RNAs regulating gene expression at the post-translational level. miRNA-based therapeutic agents are important because of the functionality of miRNAs in regulating lipid and glucose metabolism and their role in the pathogenesis of metabolic disorders such as diabetes and obesity, where dysregulation leads to disease; they are also important in angiogenesis. miRNAs additionally serve as biomarkers in the diagnosis, prognosis and risk assessment of disease and in monitoring the response to treatment...
October 28, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/29106399/a-microrna-screen-reveals-that-elevated-hepatic-ectodysplasin-a-expression-contributes-to-obesity-induced-insulin-resistance-in-skeletal-muscle
#10
Motoharu Awazawa, Paula Gabel, Eva Tsaousidou, Hendrik Nolte, Marcus Krüger, Joel Schmitz, P Justus Ackermann, Claus Brandt, Janine Altmüller, Susanne Motameny, F Thomas Wunderlich, Jan-Wilhelm Kornfeld, Matthias Blüher, Jens C Brüning
Over 40% of microRNAs (miRNAs) are located in introns of protein-coding genes, and many of these intronic miRNAs are co-regulated with their host genes. In such cases of co-regulation, the products of host genes and their intronic miRNAs can cooperate to coordinately regulate biologically important pathways. Therefore, we screened intronic miRNAs dysregulated in the livers of mouse models of obesity to identify previously uncharacterized protein-coding host genes that may contribute to the pathogenesis of obesity-associated insulin resistance and type 2 diabetes mellitus...
November 6, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29100392/mir-30a-inhibits-becn1-mediated-autophagy-in-diabetic-cataract
#11
Lu Zhang, Rong Cheng, Yusen Huang
Purpose: To investigate the role of microRNAs in the regulation of autophagy and apoptosis in lens epithelial cells (LECs) during diabetic cataract formation. Methods: A miRNA microarray study and quantitative real-time PCR were performed to identify the expression of miRNAs in LECs of diabetic cataract. Human LECs were cultured in high glucose conditions as a diabetic cataract model. BECN1 and LC3B were detected by Western blotting and quantitative real-time PCR...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29098626/micrornas-mediate-beneficial-effects-of-exercise-in-heart
#12
Yihua Bei, Lichan Tao, Dragos Cretoiu, Sanda Maria Cretoiu, Junjie Xiao
MicroRNAs (miRNAs, miRs), a group of small non-coding RNAs, repress gene expressions at posttranscriptional level in most cases and are involved in cardiovascular physiology and disease pathogenesis. Increasing evidence has proved that miRNAs are potential regulators of exercise induced cardiac growth and mediate the benefits of exercise in a variety of cardiovascular diseases. In this chapter, we will review the regulatory effects of miRNAs in cardiac adaptations to exercise, and summarize their cardioprotective effects against myocardial infarction, ischemia/reperfusion injury, heart failure, diabetic cardiomyopathy, atherosclerosis, hypertension, and pulmonary hypertension...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29091865/the-role-of-sirt1-in-diabetic-retinopathy
#13
REVIEW
Hedyieh Karbasforooshan, Gholamreza Karimi
The prevalence of diabetes mellitus (DM), has been increasing worldwide. Diabetic retinopathy (DR) is the most common microvascular complication in diabetes. It is a multifactorial disease that occurs primarily through the long-term detrimental effects of hyperglycemia. The pathogenesis of DR is complex, including inflammation, oxidative stress and advanced glycation end products (AGES). SIRT1 is a nicotinamide adenosine dinucleotide (NAD+)-dependent deacetylase that removes acetyl groups from proteins which can be implicated in DR...
October 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29089527/cross-platform-analysis-of-transcriptomic-data-identifies-ageing-has-distinct-and-opposite-effects-on-tendon-in-males-and-females
#14
Louise I Pease, Peter D Clegg, Carole J Proctor, Daryl J Shanley, Simon J Cockell, Mandy J Peffers
The development of tendinopathy is influenced by a variety of factors including age, gender, sex hormones and diabetes status. Cross platform comparative analysis of transcriptomic data elucidated the connections between these entities in the context of ageing. Tissue-engineered tendons differentiated from bone marrow derived mesenchymal stem cells from young (20-24 years) and old (54-70 years) donors were assayed using ribonucleic acid sequencing (RNA-seq). Extension of the experiment to microarray and RNA-seq data from tendon identified gender specific gene expression changes highlighting disparity with existing literature and published pathways...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29077919/glucocorticoids-suppressing-the-browning-of-adipose-tissue-via-mir-19b-in-male-mice
#15
Yifan Lv, Jing Yu, Yunlu Sheng, Min Huang, Xiaocen Kong, Wenjuan Di, Juan Liu, Hong Zhou, Hui Liang, Guoxian Ding
Physiological levels of glucocorticoids are required for proper metabolic control, and excessive glucocorticoid action has been linked to a variety of pandemic metabolic diseases. microRNA (miRNA)-19b plays a critical role in the pathogenesis of glucocorticoid-induced metabolic diseases. This study sought to explore the potential of miRNA-based therapeutics targeting adipose tissue. Our results showed that overexpressed miR-19b in stromal vascular fraction cells derived from subcutaneous adipose tissue had the same effects as dexamethasone treatment on the inhibition of adipose browning and oxygen consumption rate...
October 24, 2017: Endocrinology
https://www.readbyqxmd.com/read/29074557/roles-of-micrornas-and-long-noncoding-rnas-in-the-progression-of-diabetic-retinopathy
#16
Qiaoyun Gong, Guanfang Su
Diabetic retinopathy (DR) is the leading cause of blindness in working-age adults across the world. The pathogenesis of DR is multifactorial, and the molecular mechanisms are still not fully understood. Accumulating evidence has demonstrated that noncoding RNAs may be aberrantly expressed and may play vital roles in the development of DR. Among noncoding RNAs, microRNAs (miRNAs) and long noncoding RNAs (lncRNAs) are known for their regulatory functions. Here, we summarize the functions and mechanisms of known aberrantly-expressed miRNAs and lncRNAs in DR...
October 26, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29057541/transplantation-of-adipose-tissue-derived-stem-cell-derived-exosomes-ameliorates-erectile-function-in-diabetic-rats
#17
L L Zhu, X Huang, W Yu, H Chen, Y Chen, Y T Dai
Mesenchymal stem cells (MSCs) have been considered as an attractive tool for the therapy of diseases. Accumulating evidence indicates that the healing effects of MSCs are mainly related to paracrine action rather than transdifferentiation. Exosomes excreted from MSCs have emerged as physiologically relevant and powerful components of the MSC secretome. However, whether MSC-derived exosomes can improve erectile function of streptozotocin-induced diabetic rats and its mechanism remains unknown. Our previous work showed that adipose tissue-derived stem cells (ADSCs) transplantation could increase endothelial and smooth muscle contents and improve erectile function of diabetic rats...
October 23, 2017: Andrologia
https://www.readbyqxmd.com/read/29050301/mir-377-promotes-white-adipose-tissue-inflammation-and-decreases-insulin-sensitivity-in-obesity-via-suppression-of-sirtuin-1-sirt1
#18
Jie Peng, Yinghui Wu, Zhao Deng, Yuanfei Zhou, Tongxing Song, Yang Yang, Xiaming Zhang, Tao Xu, Mao Xia, Anle Cai, Zuhong Liu, Jian Peng
Obesity is associated with a wide range of metabolic disorders including inflammation and insulin-resistance. Sirtuin-1 (SIRT1) is an important regulator of metabolic homeostasis and stress response pathways in white adipose tissue. However, involvement of microRNAs (miRNAs) in regulating SIRT1 during obesity-induced inflammation and insulin-resistance remains unclear. Here, we found that miR-377 was upregulated in adipose tissue and showed a negative correlation with SIRT1 in chronic high fat diet (HFD)-fed mice...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29044172/circulating-mir-19b-and-mir-181b-are-potential-biomarkers-for-diabetic-cardiomyopathy
#19
Camila Uribe Copier, Luis León, Mauricio Fernández, David Contador, Sebastián D Calligaris
Diabetic cardiomyopathy is characterized by metabolic changes in the myocardium that promote a slow and silent dysfunction of muscle fibers, leading to myocardium remodelling and heart failure, independently of the presence of coronary artery diseases or hypertension. At present, no imaging methods allow an early diagnosis of this disease. Circulating miRNAs in plasma have been proposed as biomarkers in the prognosis of several cardiac diseases. This study aimed to determine whether circulating miRNAs could be potential biomarkers of diabetic cardiomyopathy...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29040025/effect-of-chronic-consumption-of-pistachios-pistacia-vera-l-on-glucose-metabolism-in-pre-diabetics-and-type-2-diabetics-a-systematic-review
#20
P V M Ribeiro, A Silva, A P Almeida, H H Hermsdorff, R C Alfenas
Pistachio is a nut with high polyunsaturated fatty acids (PUFA), monounsaturated fatty acids (MUFA), polyphenols and carotenoids content, and the synergism between these compounds appears to affect glucose metabolism. In this systematic review we analyzed studies in which the effect of chronic consumption of pistachio on markers of glucose metabolism was evaluated in pre-diabetic and type 2 diabetics. We used the PubMed, Scopus, Cochrane and Lilacs databases. The research terms used were pistachio, pre-diabetes, type 2 diabetes mellitus, insulin resistance, blood glucose, hyperglycemia and glycated hemoglobin (HbA1c)...
October 17, 2017: Critical Reviews in Food Science and Nutrition
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