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microRNA 19

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https://www.readbyqxmd.com/read/29445851/beta-cell-extracellular-vesicle-mir-21-5p-cargo-is-increased-in-response-to-inflammatory-cytokines-and-serves-as-a-biomarker-of-type-1-diabetes
#1
Alexander J Lakhter, Rachel E Pratt, Rachel E Moore, Kaitlin K Doucette, Bernhard F Maier, Linda A DiMeglio, Emily K Sims
AIMS/HYPOTHESIS: Improved biomarkers are acutely needed for the detection of developing type 1 diabetes, prior to critical loss of beta cell mass. We previously demonstrated that elevated beta cell microRNA 21-5p (miR-21-5p) in rodent and human models of type 1 diabetes increased beta cell apoptosis. We hypothesised that the inflammatory milieu of developing diabetes may also increase miR-21-5p in beta cell extracellular vesicle (EV) cargo and that circulating EV miR-21-5p would be increased during type 1 diabetes development...
February 14, 2018: Diabetologia
https://www.readbyqxmd.com/read/29431643/epigenetic-dysregulation-of-the-drp1-binding-partners-mid49-and-mid51-increases-mitotic-mitochondrial-fission-and-promotes-pulmonary-arterial-hypertension-mechanistic-and-therapeutic-implications
#2
Kuang-Hueih Chen, Asish Dasgupta, Jianhui Lin, Francois Potus, Sebastien Bonnet, James Iremonger, Jennifer Fu, Jeffrey Mewburn, Danchen Wu, Kimberly Dunham-Snary, Anne L Theilmann, Zhi-Cheng Jing, Charles Hindmarch, Mark L Ormiston, Allan Lawrie, Stephen L Archer
Background -Mitotic fission is increased in pulmonary arterial hypertension (PAH), a hyperproliferative, apoptosis-resistant disease. The fission mediator, dynamin related protein 1 (Drp1) must complex with adaptor proteins to cause fission. Drp1-induced fission has been therapeutically targeted in experimental PAH. Here we examine the role of two recently discovered, poorly understood, Drp1 adapter proteins, mitochondrial dynamics protein of 49 and 51 kDa (MiD49 and MiD51) in normal vascular cells and explore their dysregulation in PAH...
February 5, 2018: Circulation
https://www.readbyqxmd.com/read/29430184/application-of-serum-microrna-9-5p-21-5p-and-223-3p-combined-with-tumor-markers-in-the-diagnosis-of-non-small-cell-lung-cancer-in-yunnan-in-southwestern-china
#3
Yanlong Yang, Kai Chen, Yongchun Zhou, Zaoxiu Hu, Shuai Chen, Yunchao Huang
Purpose: Xuanwei City is located in late Permian coal-accumulating areas of the northeastern region of Yunnan Province. In China, morbidity and mortality from lung cancer are highest in Yunnan. Identifying useful circulating markers suitable for the diagnosis of lung cancer in this region is quite meaningful. In this study, we evaluated diagnostic roles of serum miR-9-5p, 21-5p, 223-3p, 135b-5p, 339-5p, and 501-5p in patients with non-small-cell lung cancer (NSCLC) in Yunnan. Moreover, we evaluated the diagnostic performance of several tumor markers, including carcinoembryonic antigen (CEA), cytokeratin 19 fragment 21-1 (CYFRA21-1), and squamous cell carcinoma-related antigen (SCC)...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29420830/acellular-therapeutic-approach-for-heart-failure-in%C3%A2-vitro-production-of-extracellular-vesicles-from-human-cardiovascular-progenitors
#4
Nadia El Harane, Anaïs Kervadec, Valérie Bellamy, Laetitia Pidial, Hany J Neametalla, Marie-Cécile Perier, Bruna Lima Correa, Léa Thiébault, Nicolas Cagnard, Angéline Duché, Camille Brunaud, Mathilde Lemitre, Jeanne Gauthier, Alexandra T Bourdillon, Marc P Renault, Yeranuhi Hovhannisyan, Solenne Paiva, Alexandre R Colas, Onnik Agbulut, Albert Hagège, Jean-Sébastien Silvestre, Philippe Menasché, Nisa K E Renault
Aims: We have shown that extracellular vesicles (EVs) secreted by embryonic stem cell-derived cardiovascular progenitor cells (Pg) recapitulate the therapeutic effects of their parent cells in a mouse model of chronic heart failure (CHF). Our objectives are to investigate whether EV released by more readily available cell sources are therapeutic, whether their effectiveness is influenced by the differentiation state of the secreting cell, and through which mechanisms they act. Methods and results: The total EV secreted by human induced pluripotent stem cell-derived cardiovascular progenitors (iPSC-Pg) and human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) were isolated by ultracentrifugation and characterized by Nanoparticle Tracking Analysis, western blot, and cryo-electron microscopy...
February 6, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29399343/abnormally-expressed-microrna-as-auxiliary-biomarkers-for-nasopharyngeal-carcinoma-a-meta-analysis
#5
Zhenzhou Xiao, Wei Peng, Xusheng Zhou, Xiaoli Luo, Yan Chen, Zhaolei Cui
Aberrant expression of microRNA (miRNA) has been highlighted as a helpful indicator to aid in nasopharyngeal carcinoma (NPC) diagnosis. The present meta-analysis aimed to validate the efficacy of miRNA as potential biomarkers for NPC detection. Publication searches were conducted on the online PubMed and EMBASE databases from inception to June 2016. A bivariate meta-analysis was performed to generate the diagnostic parameters based on Meta-Disc 1.4 and Stata 12.0 programs. Sensitivity analysis and meta-regression tests were applied to trace heterogeneity sources among eligible studies...
January 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29389239/effects-of-bevacizumab-ranibizumab-and-aflibercept-on-microrna-expression-in-a-retinal-pigment-epithelium-cell-culture-model-of-oxidative-stress
#6
Erdem Dinç, Lokman Ayaz, Akif Hakan Kurt
PURPOSE: This study aimed to evaluate the effects of bevacizumab, ranibizumab, and aflibercept on the microRNA (miRNA) expression in human retinal pigment epithelium cell (ARPE-19) culture model of oxidative stress. METHODS: Control cells were cultured in the hydrogen peroxide (H2O2)-free medium. In H2O2 group ARPE-19 cells were exposed to 600 μM H2O2 alone for 18 h. In study groups, cells were preincubated with bevacizumab, ranibizumab, and aflibercept (1...
February 1, 2018: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29387410/microrna-23a-24-2-27a-as-a-potential-diagnostic-biomarker-for-cancer-a-systematic-review-and-meta-analysis
#7
Jing Quan, Suyue Liu, Kangfu Dai, Lu Jin, Tao He, Xiang Pan, Yongqing Lai
An increasing number of studies have proven that microRNAs play an important role in the occurrence, development and prognosis of various types of cancer. As a vital gene cluster, the microRNA (miR)-23a/24-2/27a cluster may be an important marker for predicting cancer prognosis and tumor progression. A search was conducted through PubMed, Medline and the Cochrane Library to identify studies investigating the association between the miR-23a/24-2/27a cluster and cancer, and the identified related studies were included in the present meta-analysis...
January 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29387246/microrna-138-targets-sp1-to-inhibit-the-proliferation-migration-and-invasion-of-hepatocellular-carcinoma-cells
#8
Chongzhong Liu, Jiankang Zhu, Fengyue Liu, Yadong Wang, Min Zhu
The identification of microRNAs (miRNAs/miRs) has enabled the improved understanding of the carcinogenesis and progression of hepatocellular carcinoma (HCC). miRNAs are small non-coding RNAs comprised of 19-24 nucleotides that regulate the expression of target genes. In the present study, miR-138 was demonstrated to be downregulated in human HCC tissues and cell lines. Restoration of miR-138 expression repressed the proliferation, migration and invasion of HCC cells. Furthermore, specificity protein 1 (SP1) was identified as a target gene of miR-138 in HCC using bioinformatics analysis, luciferase reporter assay, reverse transcription-quantitative polymerase chain reaction and western blot analysis...
January 2018: Oncology Letters
https://www.readbyqxmd.com/read/29377565/the-relationship-between-myocardial-fibrosis-and-myocardial-micrornas-in-dilated-cardiomyopathy-a-link-between-mir-133a-and-cardiovascular-events
#9
Paweł Rubiś, Justyna Totoń-Żurańska, Sylwia Wiśniowska-Śmiałek, Ewa Dziewięcka, Maria Kołton-Wróż, Paweł Wołkow, Ewelina Pitera, Lucyna Rudnicka-Sosin, Ann C Garlitski, Andrzej Gackowski, Piotr Podolec
It is unknown whether fibrosis-associated microRNAs: miR-21, miR-26, miR-29, miR-30 and miR-133a are linked to cardiovascular (CV) outcome. The study evaluated the levels of extracellular matrix (ECM) fibrosis and the prevalence of particular microRNAs in patients with dilated cardiomyopathy (DCM) to investigate any correlation with CV events. METHODS: Seventy DCM patients (48 ± 12 years, EF 24.4 ± 7.4%) underwent right ventricular biopsy. The control group was comprised of 7 patients with CAD who underwent CABG and intraoperative biopsy...
January 29, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29367235/knock-down-of-rice-microrna166-confers-drought-resistance-by-causing-leaf-rolling-and-altering-stem-xylem-development
#10
Jinshan Zhang, Hui Zhang, Ashish K Srivastava, Yujie Pan, Jinjuan Bai, Jingjing Fang, Huazhong Shi, Jian-Kang Zhu
microRNAs are 19-22 nt small non-coding RNAs and have been implicated in abiotic stress response. In this study, we found that manipulation of microRNA166 resulted in morphological changes that confer drought resistance in rice. From a large-scale screening for miRNA knock-down lines in rice, we identified miR166 knock-down lines (STTM166) exhibiting a phenotype of leaf rolling, which is normally displayed by rice plants under drought stress. The leaf rolling in STTM166 rice plants was likely due to a reduced size of the bulliform cells and abnormality of sclerenchymatous cells in leaves...
January 24, 2018: Plant Physiology
https://www.readbyqxmd.com/read/29363233/serum-microrna-signatures-and-metabolomics-have-high-diagnostic-value-in-colorectal-cancer-by-two-novel-methods
#11
Hai-Ning Liu, Tao-Tao Liu, Hao Wu, Yan-Jie Chen, Yu-Jen Tseng, Can Yao, Shu-Qiang Weng, Ling Dong, Xi-Zhong Shen
Recently, many new diagnostic biomarkers have been developed for colorectal cancer. We chose two methods with high diagnostic efficiencies, the detection of serum microRNAs and metabolomics based on gas chromatography/mass spectrometry (GC/MS), and aimed to establish appropriate models. We reviewed the diagnostic value of all microRNAs identified by previous diagnostic tests. We selected appropriate microRNAs to validate their diagnostic efficiencies, and determined the optimal combination. We included 85 patients with CRC and 78 healthy controls (HCs) and detected the expression of the microRNAs...
January 24, 2018: Cancer Science
https://www.readbyqxmd.com/read/29353431/sensitive-electrochemical-detection-of-microrna-21-based-on-propylamine-functionalized-mesoporous-silica-with-glucometer-readout
#12
Kun Deng, Yong Zhang, Xuedong Tong
A new homogeneous electrochemical sensing system was developed for sensitive detection of microRNA-21 (miRNA-21) based on target-induced glucose release from propylamine-functionalized mesoporous silica nanoparticle (MSN) with glucometer readout. Glucose molecules (as the signal tracers) were initially gated into the pores through the interaction of the negatively charged anchor DNA with the aminated MSN. Upon addition of target miRNA, the analyte competitively hybridized with anchor DNA to form the RNA-DNA duplex, thus resulting in detachment of anchor DNA from the MSN accompanying the pore opening...
January 20, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29345189/microrna-19-contributes-to-the-malignant-phenotypes-of-osteosarcoma-in-vitro-by-targeting-pax6
#13
Qingbing Meng, Ming Dai, Xuejun Nie, Wensheng Zhang, Xingli Xu, Jian Li, Hongxin Mu, Xiaolan Liu, Ling Qin, Xiaoqi Zhu, Jun Yan, Minqian Zheng
This study was conducted to detect the expression of miR-19 and Pax6 (Paired box protein 6) in human osteosarcoma cells and the effects on biological characteristics of osteosarcoma cells. Quantitative real-time polymerase chain reaction was used to detect the expression of Pax6 and miR-19 in normal human osteoblasts (hFOB 1.19) and osteosarcoma cell lines (U2OS, Saos-2, and MG-63). Results showed that miR-19 was significantly upregulated in osteosarcoma cell lines compared with that in hFOB 1.19 cells, while the expression of Pax6 messenger RNA was significantly downregulated...
January 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29340905/expression-of-vhl-tumor-suppressor-mrna-and-mir-92a-in-papillary-thyroid-carcinoma-and-their-correlation-with-clinical-and-pathological-parameters
#14
Lidija Todorović, Boban Stanojević, Vesna Mandušić, Nina Petrović, Vladan Živaljević, Ivan Paunović, Aleksandar Diklić, Vladimir Saenko, Shunichi Yamashita
A growing body of evidence suggests a role of the von Hippel-Lindau (VHL) tumor suppressor gene in the progression of papillary thyroid carcinoma (PTC). Our previous study of VHL in PTCs showed that lower VHL expression was associated with aggressive tumor features, but we found no evidence for VHL downregulation through common genetic or epigenetic modifications. Several studies pointed to a role of microRNA-92a (miR-92a) in the regulation of VHL expression in different cancers. In the present study, we examined the expression levels of VHL mRNA and miR-92a in 42 pairs of PTCs and matched non-tumor thyroid tissues by means of quantitative RT-PCR...
January 16, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29340016/mir-19-regulates-the-proliferation-and-invasion-of-glioma-by-runx3-via-%C3%AE-catenin-tcf-4-signaling
#15
Jikui Sun, Zhifan Jia, Banban Li, Anling Zhang, Guangxiu Wang, Peiyu Pu, Zhijuan Chen, Zengguang Wang, Weidong Yang
Accumulating data demonstrates that the network dysregulation of microRNA-medicated target genes is involved in glioma. We have previously found miR-19a/b overexpression in glioma cell lines and specimens with various tumour grades. However, there was no report on the function and regulatory mechanism of miR-19a/b in glioma. In this study, based on our previous research data, we first determine the inverse relationship between miR-19 (miR-19a and miR-19b) and RUNX3 which is also identified the reduced expression in tumour tissues by real-time PCR and IHC...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29328414/malat1-enhanced-the-proliferation-of-human-osteoblasts-treated-with-ultra%C3%A2-high-molecular-weight-polyethylene-by-targeting-vegf-via-mir%C3%A2-22%C3%A2-5p
#16
Xucheng Yang, Yingying Zhang, Yusheng Li, Ting Wen
Osteolysis associated with an implanted prosthesis is the major cause of failure in prosthesis implantation, and a severe public health issue worldwide. The type of bone metabolism associated with this disorder has been a major focus for improving the outcomes of patients with osteolysis. The role of metastasis‑associated lung adenocarcinoma transcript 1 (MALAT1; a member of the long coding RNA family) during the onset of osteolysis and the related molecular regulatory mechanism in ultra‑high molecular weight polyethylene (UHMWPE)‑treated hFOB 1...
January 4, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29325325/-expression-of-microrna-155-in-inflammatory-bowel-disease-and-its-clinical-significance
#17
Y L Ye, Z Pang, W Gu, J J Zheng
Objective: To explore the expression of microRNA-155 in colonic mucosa and peripheral blood in patients with inflammatory bowel disease(IBD), and to examine the clinical value and significance of microRNA-155 in the diagnosis of IBD. Methods: Quatitative reverse-transcription PCR was performed to detect the expression of microRNA-155 in 20 patients with Crohn disease(CD), 21 patients with ulcerative colitis (UC), 18 patients with IBD type unclassified(IBDU), 25 healthy people(control group), 12 patients with infection colitis and 19 patients with ischemia colitis...
December 19, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29323744/microrna-193b-3p-regulates-matrix-metalloproteinase-19-expression-in-interleukin-1%C3%AE-induced-human-chondrocytes
#18
Zong-Kun Chang, Fang-Gang Meng, Zhi-Qi Zhang, Gu-Ping Mao, Zhi-Yu Huang, Wei-Ming Liao, Ai-Shan He
Micro(mi)RNAs are small, non-coding RNA molecules known to play a significant role in osteoarthritis (OA) initiation and development, and similar to matrix metalloproteinases (MMPs), they participate in cartilage degeneration and cleave multiple extracellular matrices. The aim of this study was to determine whether the expression of MMP-19 in interleukin (IL)-1β-induced human chondrocytes is directly regulated by miR-193b-3p. Expression levels of miR-193b-3p and MMP-19 in normal and osteoarthritis (OA) human cartilage, and interleukin-1 β (IL-1β)-induced human chondrocytes were determined by real-time polymerase chain reaction...
January 11, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29306454/transcoronary-gradients-of-hdl-associated-micrornas-in-unstable-coronary-artery-disease
#19
Sébastien A Choteau, Luisa F Cuesta Torres, Jennifer Y Barraclough, Alexander M M Elder, Gonzalo J Martínez, William Y Chen Fan, Sudichhya Shrestha, Kwok L Ong, Philip J Barter, David S Celermajer, Kerry-Anne Rye, Sanjay Patel, Fatiha Tabet
AIMS: MicroRNAs (miRNAs) are transported on high-density lipoproteins (HDLs) and HDL-associated miRNAs are involved in intercellular communication. We explored HDL-associated miRNAs concentration gradients across the coronary circulation in stable and unstable coronary artery disease patients and whether changes in the transcoronary gradient were associated with changes in HDL composition and size. METHODS: Acute coronary syndrome (ACS, n=17) patients, those with stable coronary artery disease (stable CAD, n=19) and control subjects without CAD (n=6) were studied...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29296171/micrornas-sequencing-unveils-distinct-molecular-subgroups-of-plasmablastic-lymphoma
#20
Maria Raffaella Ambrosio, Lucia Mundo, Sara Gazaneo, Matteo Picciolini, Prasad Satya Vara, Shaheen Sayed, Alessandro Ginori, Giuseppe Lo Bello, Leonardo Del Porro, Mohsen Navari, Stefano Ascani, Amhed Yonis, Lorenzo Leoncini, Pier Paolo Piccaluga, Stefano Lazzi
Plasmablastic lymphoma (PBL) is an aggressive lymphoma, often arising in the context of immunodeficiency and associated with Epstein-Barr virus (EBV) infection. The most frequently detected genetic alteration is the deregulation of MYC gene through the translocation - t(8;14)(q24;q32). The diagnosis of PBL is often challenging because it has an overlap in morphology, immunophenotype, cytogenetics and virus association with other lymphomas and plasma cell neoplasms; further, its molecular basis remains elusive...
December 8, 2017: Oncotarget
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