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https://www.readbyqxmd.com/read/29344661/plasma-levels-of-microrna-21-126-and-423-5p-alter-during-clinical-improvement-and-are-associated-with-the-prognosis-of-acute-heart-failure
#1
Stéfanie Ingrid Dos Reis Schneider, Daiane Silvello, Nidiane Carla Martinelli, Arthur Garbin, Andréia Biolo, Nadine Clausell, Michael Andrades, Kátia Gonçalves Dos Santos, Luís Eduardo Rohde
MicroRNAs are associated with myocardial damage and heart failure (HF). The present study investigated whether the plasma levels of microRNA (miR)‑21, ‑126 and ‑423‑5p alter according to the (de)compensated state of patients with HF and are associated with all‑cause mortality. In 48 patients with HF admitted to the emergency room for an episode of acute decompensation, blood samples were collected to measure miR and B‑type natriuretic peptide levels within 24 h of hospital admission, at the time of hospital discharge, and a number of weeks post‑discharge (chronic stable compensated state)...
January 15, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29340099/a-plasma-mirna-signature-for-lung-cancer-early-detection
#2
Qixin Leng, Yanli Lin, Fangran Jiang, Cheng-Ju Lee, Min Zhan, HongBin Fang, Yue Wang, Feng Jiang
The early detection of lung cancer continues to be a major clinical challenge. Using whole-transcriptome next-generation sequencing to analyze lung tumor and the matched noncancerous tissues, we previously identified 54 lung cancer-associated microRNAs (miRNAs). The objective of this study was to investigate whether the miRNAs could be used as plasma biomarkers for lung cancer. We determined expressions of the lung tumor-miRNAs in plasma of a development cohort of 180 subjects by using reverse transcription PCR to develop biomarkers...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29335596/circulating-microrna-signature-for-the-diagnosis-of-childhood-dilated-cardiomyopathy
#3
Meng Jiao, Hong-Zhao You, Xin-Ying Yang, Hui Yuan, Yu-Lin Li, Wen-Xian Liu, Mei Jin, Jie Du
Circulating miRNAs are proposed as a biomarker of heart disease. This study evaluated whether circulating miRNAs could be used as a biomarker for childhood dilated cardiomyopathy (CDCM). A total of 28 participants were enrolled in a discovery set, including patients with CDCM (n = 16) and healthy children (n = 12). The cardiac function of patients with CDCM was characterized by echocardiography and serum miRNA profiles of all participants were assessed by miRNA sequencing. After miRNA profiling, we quantitatively confirmed 148 regulated miRNAs in patients with CDCM compared with healthy subjects, and none were downregulated...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29331857/baicalin-alleviates-il-1%C3%AE-induced-inflammatory-injury-via-down-regulating-mir-126-in-chondrocytes
#4
Xirui Yang, Qi Zhang, Zhaomeng Gao, Chunyan Yu, Lei Zhang
Baicalin is a flavonoid extracted from Scutellaria baicalensis Georgi, with anti-inflammatory and anti-apoptotic activities. The objective of this study was to explore the effect and mechanism of baicalin on chondrocyte inflammatory response in OA. Different concentrations of IL-1β (0, 0.1, 2, 5 and 10 ng/mL) were used to simulate inflammatory injury in CHON-001 cells. The expression of miR-126 was altered by transfection with miR-126 mimic. Thereafter, cells were treated with baicalin, and cell viability, apoptosis, the expressions of apoptosis-related protein and pro-inflammatory factors were respectively detected using CCK-8 assay, flow cytometry, qRT-PCR and western blot analysis...
January 11, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29325906/immune-related-mirna-expression-patterns-in-peripheral-blood-mononuclear-cells-differ-in-multiple-sclerosis-relapse-and-remission
#5
Natalia Baulina, Olga Kulakova, Ivan Kiselev, German Osmak, Ekaterina Popova, Alexey Boyko, Olga Favorova
MiRNAs were shown to participate in development of autoimmune inflammatory process in multiple sclerosis (MS). To investigate miRNAs involvement in relapse-remission MS course, we analyzed expression of immune-related miRNAs in PBMC of treatment-naïve relapsing and remitting MS patients and healthy controls. The upregulation of miR-126-3p, miR-146b-5p, miR-155, miR-196a-5p, miR-21-5p, miR-223-3p, miR-326 and miR-379-5p in remission compared to relapse was observed; when apply gender stratification, miR-223-3p and miR-379-5p were upregulated only in men...
January 5, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29321799/independent-and-combined-effects-of-environmental-factors-and-mir-126-mir-143-and-mir-145-on-the-risk-of-coronary-heart-disease
#6
Da-Cen Lin, Jia-Bing Lin, Zhou Chen, Rong Chen, Chun-Yu Wan, Shao-Wei Lin, Qi-Shuang Ruan, Huang-Yuan Li, Si-Ying Wu
Objective: To evaluate the effects of environmental factors and microRNAs (miRNAs) (miR-126, miR-143, and miR-145) on the risk of coronary heart disease (CHD). Methods: A frequency-matched case-control study (450 patients, 450 controls) was conducted from April 2014 to December 2016 in Fuzhou City, China. Environmental factors were investigated using a self-administered questionnaire, and the expression levels of miR-126, miR-143, and miR-145 were determined by quantitative real-time Polymerase Chain Reaction (PCR) in peripheral blood mononuclear cells...
November 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29321082/long-noncoding-rna-atb-promotes-proliferation-migration-and-invasion-in-bladder-cancer-by-suppressing-microrna-126
#7
Xingquan Zhai, Wei Xu
This study was aimed to explore the biological functions of long non-coding RNA activated by transforming growth factor-beta (lncRNA-ATB) in bladder cancer cells. For the expressions of lncRNA-ATB, miR-126 and KRAS, T24 cells were transfected with their specific vectors/shRNA or mimic/inhibitor. Then, cell viability, migration, invasion and apoptosis, as well as the protein levels of apoptosis-related factors and PI3K/AKT and mTOR signal pathways were measured, respectively. Further, the relationships of lncRNA-ATB and miR-126 or miR-126 and KRAS were analyzed by dual-luciferase report assay...
January 10, 2018: Oncology Research
https://www.readbyqxmd.com/read/29319172/long-non-coding-rna-hotair-acts-as-a-competing-endogenous-rna-to-promote-glioma-progression-by-sponging-mir-126-5p
#8
Liang Liu, Sitong Cui, Teng Wan, Xiaojian Li, Wei Tian, Rui Zhang, Liangsheng Luo, Yan Shi
LncRNA HOX transcript antisense intergenic RNA (HOTAIR) has been shown to play prominent roles in tumorigenesis. However, its precise molecular mechanism in glioma has not been completely elucidated. In this study, we found that HOTAIR was aberrantly up-regulated in glioma tissues and was negatively correlated with miR-126-5p expression. Next, we determined that HOTAIR promote glioma progression by sponging miR-126-5p. Subsequently, glutaminase (GLS) was confirmed to be a direct target of miR-126-5p using bioinformatics software and a luciferase reporter assay...
January 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29316562/mir-126-in-peripheral-blood-mononuclear-cells-negatively-correlates-with-risk-and-severity-and-is-associated-with-inflammatory-cytokines-as-well-as-intercellular-adhesion-molecule-1-in-patients-with-coronary-artery-disease
#9
Huiliang Wu, Jing Zhang
OBJECTIVES: The aim of this study was to evaluate the association of miR-126 with risk and severity of coronary artery disease (CAD) as well as its correlation with inflammatory cytokines and endothelial related proteins. METHODS: In total, 215 patients suspected of CAD who underwent coronary angiography were enrolled in this case control study and were divided into a CAD group (n = 119) and control group (n = 96). miR-126 relative expression was assessed by real-time polymerase chain reaction...
January 10, 2018: Cardiology
https://www.readbyqxmd.com/read/29314582/transcoronary-concentration-gradients-of-circulating-micrornas-in-heart-failure
#10
Salvatore De Rosa, Francesca Eposito, Cristina Carella, Antonio Strangio, Giuseppe Ammirati, Jolanda Sabatino, Fabio Giovanni Abbate, Claudio Iaconetti, Vincenzo Liguori, Valerio Pergola, Alberto Polimeni, Silvio Coletta, Clarice Gareri, Bruno Trimarco, Giuseppe Stabile, Antonio Curcio, Ciro Indolfi, Antonio Rapacciuolo
AIMS: Circulating levels of microRNAs (miRNAs) are emergent promising biomarkers for cardiovascular disease. Altered expression of miRNAs has been related to heart failure (HF) and cardiac remodelling. We measured the concentration gradients across the coronary circulation to assess their usefulness to diagnose HF of different aetiologies. METHODS AND RESULTS: Circulating miRNAs were measured in plasma samples simultaneously obtained from the aorta and the coronary venous sinus in patients with non-ischaemic HF (NICM-HF, n = 23) ischaemic HF (ICM-HF, n = 41), and in control patients (n = 11)...
January 4, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29306454/transcoronary-gradients-of-hdl-associated-micrornas-in-unstable-coronary-artery-disease
#11
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/29304813/the-association-between-pre-mir-27a-rs895819-polymorphism-and-myocardial-infarction-risk-in-a-chinese-han-population
#12
Meng-Yun Cai, Jie Cheng, Meng-Yuan Zhou, Li-Li Liang, Si-Min Lian, Xiao-Shan Xie, Shun Xu, Xinguang Liu, Xing-Dong Xiong
BACKGROUND: Accumulating evidences have shown that miRNAs are directly or indirectly involved in a variety of biological processes, and closely associated with diverse human diseases, including cardiovascular diseases. SNPs locating within pri/pre-miRNA can affect miRNA processing and binding ability of target genes. MiR-27a, miR-26a-1 miR-100, miR-126 and miR-218 were reported to be associated with pathogenesis of myocardial infarction (MI). Here we aimed to evaluate the potential association of five polymorphisms in these pri/pre-miRNAs with individual susceptibility to MI in a Chinese Han population...
January 6, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29290989/upregulation-of-mir-126-3p-promotes-human-saphenous-vein-endothelial-cell-proliferation-in-vitro-and-prevents-vein-graft-neointimal-formation-ex-vivo-and-in-vivo
#13
Qingxi Qu, Weidong Bing, Xiangbin Meng, Jie Xi, Xiao Bai, Qing Liu, Yaqiu Guo, Xin Zhao, Yanwen Bi
Poor long-term patency of vein grafts remains an obstacle in coronary artery bypass grafting (CABG) surgery using an autologous saphenous vein graft. Recent studies have revealed that miR-126-3p promotes vascular integrity and angiogenesis. We aimed to identify the role of miR-126-3p in the setting of vein graft disease and investigate the value of miR-126-3p agomir as a future gene therapy in vein graft failure. Expression analysis of circulating miR-126-3p in plasma from CABG patients established the basic clues that miR-126-3p participates in CABG...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29277611/long-non-coding-rna-pvt1-5-promotes-cell-proliferation-by-regulating-mir-126-slc7a5-axis-in-lung-cancer
#14
Hongliang Li, Shuxian Chen, Jia Liu, Xiaopeng Guo, Xudong Xiang, Tianqi Dong, Pengzhan Ran, Qian Li, Bei Zhu, Xiyu Zhang, Dan Wang, Chunjie Xiao, Shangyong Zheng
Dysregulated long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) play key roles in the development of human cancers. The lncRNA plasmacytoma variant translocation 1 (PVT1) is reported to be an oncogene in a variety of cancers. However, the roles of PVT1-5 and its related miRNAs in lung cancer are poorly understood. In this study, we found that PVT1-5 expression was significantly increased in lung cancer tissues and cell lines. By using biotin-labeled lncRNA-PVT1-5 probe for miRNA in vivo precipitation (miRIP) in lung cancer cells and dual-luciferase reporterassays, we identified that miR-126 was associated with lncRNA-PVT1-5...
December 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29243842/exosomes-secreted-by-hypoxic-cardiosphere-derived-cells-enhance-tube-formation-and-increase-pro-angiogenic-mirna
#15
Helia Namazi, Elham Mohit, Iman Namazi, Sarah Rajabi, Azam Samadian, Ensiyeh Hajizadeh-Saffar, Nasser Aghdami, Hossein Baharvand
Exosomes are required for the regenerative effects of human cardiosphere-derived cells (CDCs). Studies show that they mimic the cardioprotective benefits of CDCs in rodents and porcine myocardial infarction (MI) models. Hypoxic preconditioning of stem cells increases the cardioprotective effects of exosomes in MI models by enhancing angiogenesis. Several exosomal microRNAs (miRNAs) up-regulate in response to hypoxia and play a role in cardioprotective and pro-angiogenic effects. In this study, we have demonstrated that human CDCs secreted exosomes under hypoxic conditions (1% O2 for 2 days) enhanced tube formation by human umbilical vein endothelial cells (HUVECs) at a concentration of 25 μg/ml...
December 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29243807/microrna-as-a-systemic-intervention-in-the-specific-breast-cancer-subtypes-with-c-myc-impacts-introducing-subtype-based-appraisal-tool
#16
REVIEW
Vida Pourteimoor, Mahdi Paryan, Samira Mohammadi-Yeganeh
Breast cancer is indisputably a heterogeneous disease, in which a formidable combination of definitely dis-regulated C-MYC and microRNA (miRNA) profiles along with other factors are responsible to generate a specific type of breast cancer. C-MYC as a master regulator of more than 20,000 genes can modify the expression of genes underlying to perform diverse conflicting functional frameworks. The functional spectra of miRNA in the new areas of the evolution of cell behaviors are identified. Here, we endeavor to summarize some recent advances of miRNA applications that can be recruited as combinatorial targeted therapy for patients with breast cancer...
December 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29242072/therapeutic-angiogenesis-by-local-sustained-release-of-microrna-126-using-poly-lactic-co-glycolic-acid-nanoparticles-in-murine-hindlimb-ischemia
#17
Shinichi Tsumaru, Hidetoshi Masumoto, Kenji Minakata, Masayasu Izuhara, Kazuhiro Yamazaki, Tadashi Ikeda, Koh Ono, Ryuzo Sakata, Kenji Minatoya
OBJECTIVE: Recent studies demonstrate that microRNAs show promising potential, including angiogenesis, in therapeutic intervention. MicroRNA-126 (miR-126) is reported to regulate angiogenesis by blocking Sprouty-related EVH1 domain-containing protein 1 (SPRED1), an endogenous inhibitor of vascular endothelial cell growth factor. In this study, we investigated the angiogenic effects of the sustained release of miR-126 loaded with poly lactic-co-glycolic acid (PLGA) nanoparticles (NPs) in a murine hindlimb ischemia model...
December 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29241208/exosomes-from-mir-126-overexpressing-adscs-are-therapeutic-in-relieving-acute-myocardial-ischaemic-injury
#18
Qiancheng Luo, Dongfeng Guo, Guorong Liu, Guo Chen, Min Hang, Mingming Jin
BACKGROUND/AIMS: Recent studies have indicated that exosomes play an important role in adipose-derived stem cell (ADSC) transplant-mediated ischaemic heart disease therapy. However, the treatment effect is not obvious. The aim of this study is to investigate whether ADSC-derived exosomes enriched with microRNA (miR)-126 have a more protective effect on acute myocardial infarction (AMI). METHODS: Exosomes were characterized by transmission electron microscopy, and the exosome particles were further examined using nanoparticle tracking analyses...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29228448/experimental-study-on-the-prevention-of-liver-cancer-angiogenesis-via-mir-126
#19
B-Q Jing, Y Ou, L Zhao, Q Xie, Y-X Zhang
OBJECTIVE: The aim of the present work was to study the prevention of liver cancer angiogenesis via miR-126. For this purpose, experimentations were conducted. MATERIALS AND METHODS: The precursor sequence of miR-126 was amplified in the DNA of human liver cancer cell lines. We, therefore, constructed the overexpression and interference vectors of miR-126 in vitro; which were respectively transferred to liver cancer cells in the logarithmic phase and inoculated under both sides of the back skin of Balb/c-nu nude mice aged 4-6 weeks with 10 mu l (1 x 105) cell suspension...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29221194/altered-microrna-profiles-during-early-colon-adenoma-progression-in-a-porcine-model-of-familial-adenomatous-polyposis
#20
Monika Stachowiak, Tatiana Flisikowska, Stefan Bauersachs, Carolin Perleberg, Hubert Pausch, Marek Switonski, Alexander Kind, Dieter Saur, Angelika Schnieke, Krzysztof Flisikowski
MicroRNAs are dysregulated in various cancers including colorectal cancer, and are potential useful biomarkers of disease development. We used next generation sequencing to investigate miRNA expression profiles in low- and high-grade intraepithelial dysplastic polyps from pigs carrying a mutation in the adenomatous polyposis coli tumour suppressor (APC1311 , orthologous to human APC1309 ) that model an inherited predisposition to colorectal cancer, familial adenomatous polyposis. We identified several miRNAs and their isomiRs significantly (P < 0...
November 10, 2017: Oncotarget
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