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https://www.readbyqxmd.com/read/28927412/analysis-of-microrna-mirna-expression-profiles-reveals-11-key-biomarkers-associated-with-non-small-cell-lung-cancer
#1
Ke Wang, Mingwei Chen, Wei Wu
BACKGROUND: Non-small cell lung cancer (NSCLC) accounts for more than 85% of lung cancer cases which cause most of cancer-related deaths globally. However, the results vary largely in different studies due to different platforms and sample sizes. Here, we aim to identify the key miRNAs in the carcinogenesis of NSCLC that might be potential biomarkers for this cancer. METHODS: Meta-analysis was performed on miRNA profile using seven datasets of NSCLC studies. Furthermore, we predicted and investigated the functions of genes regulated by key miRNAs...
September 19, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28927403/circulating-levels-and-characterization-of-microparticles-in-patients-with-different-degrees-of-glucose-tolerance
#2
Alessandra Giannella, Claudia Maria Radu, Lorenzo Franco, Elena Campello, Paolo Simioni, Angelo Avogaro, Saula Vigili de Kreutzenberg, Giulio Ceolotto
BACKGROUND: Microparticles (MPs) are vesicular structures shed from endothelial or circulating blood cells, after activation or apoptosis, and can be considered markers of vascular damage. We aimed to determine the levels of circulating MPs, their content of miRNA-126-3p and 5p, and their relationship with early endothelial activation/damage, in patients with different degree of glucose tolerance. METHODS: CD62E(+), CD62P(+), CD142(+), CD45(+) circulating MPs, their apoptotic (AnnexinV(+)) fractions, and miRNA-126 expression were determined in 39 prediabetic (PreDM), 68 type 2 diabetic (T2DM), and 53 control (NGT) subjects, along with main anthropometric and biochemical measurements...
September 19, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28890892/microrna-profiling-in-cartilage-ageing
#3
Panagiotis Balaskas, Katarzyna Goljanek-Whysall, Peter Clegg, Yongxiang Fang, Andy Cremers, Pieter Emans, Tim Welting, Mandy Peffers
Osteoarthritis (OA) is the most common age-related joint disorder in man. MicroRNAs (miRNA), a class of small noncoding RNAs, are potential therapeutic targets for regulating molecular mechanisms in both disease and ageing. Whilst there is an increasing amount of research on the roles of miRNAs in ageing, there has been scant research on age-related changes in miRNA in a cartilage. We undertook a microarray study on young and old human cartilages. Findings were validated in an independent cohort. Contrasts between these samples identified twenty differentially expressed miRNAs in a cartilage from old donors, derived from an OA environment which clustered based on OA severity...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28881749/effects-of-microrna-126-on-cell-proliferation-apoptosis-and-tumor-angiogenesis-via-the-down-regulating-erk-signaling-pathway-by-targeting-egfl7-in-hepatocellular-carcinoma
#4
Cheng Gong, Jing Fang, Guang Li, Han-Han Liu, Zhi-Su Liu
This study intends to explore the effects of microRNA-126 (miR-126) on cell proliferation, apoptosis, and tumor angiogenesis in hepatocellular carcinoma (HCC) by regulating epidermal growth factor-like domain 7 (EGFL7) through extracellular signal-regulated kinase (ERK) signaling. HCC tissues and adjacent normal tissues were obtained from 184 HCC patients. HCC cells were separately transfected with recombinant plasmids. Western blotting and qRT-PCR were applied to detect miR-126 and EGFL7, ERK, Fas/FasL, Bcl-2, Caspase mRNA and protein levels...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28875333/circulating-pro-angiogenic-and-anti-angiogenic-microrna-expressions-in-patients-with-acute-ischemic-stroke-and-their-association-with-disease-severity
#5
Fuqiang Jin, Jie Xing
The main objectives of this study are to evaluate 28 selected pro-angiogenic and anti-angiogenic microRNA (miRNA) expressions in plasma of acute ischemic stroke (AIS) patients and controls and to assess the correlations of these miRNAs with risk and severity of AIS. In the exploring stage, 10 AIS patients and 10 controls with vascular risk factors were enrolled. And in the validating stage, 106 AIS patients and 110 controls with the same eligibility were recruited. Blood samples were collected from participants within 24 h post the onset of symptoms, and plasma levels of miRNAs were evaluated by the qPCR method...
September 5, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28874077/effects-of-sunitinib-and-bevacizumab-on-vegf-and-mirna-levels-on-corneal-neovascularization
#6
Harun Cakmak, Esra Gokmen, Gokay Bozkurt, Tolga Kocaturk, Kemal Ergin
AIM: To evaluate the effects of sunitinib (0.5mg/ml) and bevacizumab (5mg/ml) on VEGF-A, VEGFR-2 and microRNA (miRNA) levels on corneal neovascularization. METHODS: In this study, corneal neovascularization was induced by silver nitrate application to the cornea, and 40 Albino male rats were equally divided into 4 subgroups: Group 1 (Sunitinib): After silver nitrate application to the cornea, 0.5mg/ml sunitinib eyedrop was administered twice daily for two weeks...
September 5, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28783527/circulating-early-and-mid-pregnancy-micrornas-and-risk-of-gestational-diabetes
#7
Pandora L Wander, Edward J Boyko, Karin Hevner, Viraj J Parikh, Mahlet G Tadesse, Tanya K Sorensen, Michelle A Williams, Daniel A Enquobahrie
AIMS: Epigenetic regulators, including microRNAs (miRNAs), are implicated in type 2 diabetes, but evidence linking circulating miRNAs in pregnancy and risk of gestational diabetes (GDM) is sparse. Potential modifiers, including pre-pregnancy overweight/obesity and offspring sex, are unexamined. We hypothesized that circulating levels of early-mid-pregnancy (range 7-23weeks of gestation) candidate miRNAs are related to subsequent development of GDM. We also hypothesized that miRNA-GDM associations might vary by pre-pregnancy body-mass index (ppBMI) or offspring sex...
July 25, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28778065/1-25d3-differentially-suppresses-bladder-cancer-cell-migration-and-invasion-through-the-induction-of-mir-101-3p
#8
Yingyu Ma, Wei Luo, Brittany L Bunch, Rachel N Pratt, Donald L Trump, Candace S Johnson
Metastasis is the major cause of bladder cancer death. 1,25D3, the active metabolite of vitamin D, has shown anti-metastasis activity in several cancer model systems. However, the role of 1,25D3 in migration and invasion in bladder cancer is unknown. To investigate whether 1,25D3 affects migration and invasion, four human bladder cell lines with different reported invasiveness were selected: low-invasive T24 and 253J cells and highly invasive 253J-BV and TCCSUP cells. All of the four bladder cancer cells express endogenous and inducible vitamin D receptor (VDR) as examined by immunoblot analysis...
July 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28767432/identification-of-micrornas-as-potential-biomarkers-for-lung-adenocarcinoma-using-integrating-genomics-analysis
#9
Zhuo Peng, Longfei Pan, Zequn Niu, Wei Li, Xiaoyan Dang, Lin Wan, Rui Zhang, Shuanying Yang
Lung adenocarcinoma (LUAD) is the most common histological subtype of non-small cell lung cancer, but novel biomarkers for early diagnosis are lacking. Extensive effort has been exerted to identify miRNA biomarkers in LUAD. Unfortunately, high inter-lab variability and small sample sizes have produced inconsistent conclusions in this field. To resolve the above-mentioned limitations, we performed a comprehensive analysis based on LUAD miRNome profiling studies using the robust rank aggregation (RRA) method...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28750770/circulating-micrornas-panel-as-a-diagnostic-tool-for-discrimination-of-hcv-associated-hepatocellular-carcinoma
#10
Hamdy E Abouzeid Ali, Rehab Abdel Hameed, Heba Effat, Emad K Ahmed, Azza A Atef, Sabry K Sharawi, Mohamed Ali, Zakaria Y Abd Elmageed, Abdel Hady Abdel Wahab
Early diagnosis of hepatocellular carcinoma (HCC) can significantly improve the overall survival of HCC patients. However, current diagnostic markers are compromised and limited by their low sensitivity and specificity. In this work, circulating microRNAs (miRs) were utilized as a diagnostic tool to test their efficiency to segregate HCC and hepatitis C virus (HCV)-infected patients from healthy subjects. Nine HCC-related miRs (miR-21, miR-30c, miR-93, miR-122, miR-125b, miR-126, miR-130a, miR-193b and miR-222) were analyzed by Real-Time PCR in 86 serum samples; 34 HCC and 52 HCV patients in addition to 25 healthy subjects...
September 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28740575/identification-of-novel-diagnostic-and-prognostic-mirna-signatures-in-endometrial-cancer
#11
Muralidharan Jayaraman, Rangasudhagar Radhakrishnan, Cara A Mathews, Mingda Yan, Sanam Husain, Katherine M Moxley, Yong Sang Song, Danny N Dhanasekaran
With the goal of identifying diagnostic and prognostic biomarkers in endometrial cancer, miRNA-profiling was carried out with formalin-fixed paraffin embedded (FFPE) tissue samples from 49 endometrial cancer patients. Results using an 84-cancer specific miRNA panel identified the upregulation of miR-141-3p and miR-96-5p along with a downregulation of miR-26, miR-126-3p, miR-23b, miR-195-5p, miR-374a and let-7 family of miRNAs in endometrial cancer. We validated the dysregulated expression of the identified miRNAs in a panel of endometrial cancer cell-lines...
May 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28730284/a-novel-interplay-between-hotair-and-dna-methylation-in-osteosarcoma-cells-indicates-a-new-therapeutic-strategy
#12
Xingang Li, Hongming Lu, Guilian Fan, Miao He, Yu Sun, Kai Xu, Fengjun Shi
PURPOSE: Osteosarcoma (OS) is one of the most prevalent primary malignant bone tumors in adolescent. HOTAIR is highly expressed and associated with the epigenetic modifications, especially DNA methylation, in cancer. However, the regulation mechanism between HOTAIR and DNA methylation and the biological effects of them in the pathogenesis of osteosarcoma remains elusive. METHOD: Through RNA-sequencing and computational analysis, followed by a variety of experimental validations, we report a novel interplay between HOTAIR, miR-126, and DNA methylation in OS...
July 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28725162/the-prognostic-value-of-mir-126-expression-in-non-small-cell-lung-cancer-a-meta-analysis
#13
Wen Zheng, Ya Zhou, Jia Lu, Hualin Xu, Liangyu Lei, Chao Chen, Juanjuan Zhao, Lin Xu
OBJECTIVE: Non-small cell lung cancer (NSCLC) is a leading cause of cancer-related death. Growing evidence from recent studies have shown indicated that microRNA-126 (miR-126) played an important role in the progression of NSCLC. However, the potential value of miR-126 expression in prognosis of NSCLC remains to be fully elucidated. Here, we carried out a meta-analysis to assess the potential prognostic value of miR-126 for NSCLC. METHODS: PubMed, Embase, the Cochrane library, Web of Science, CNKI and WanFang database, as well as the reference of included studies, were searched to recognize pertinent studies until April 30, 2017...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28720759/depleted-tumor-suppressor-mir-107-in-plasma-relates-to-tumor-progression-and-is-a-novel-therapeutic-target-in-pancreatic-cancer
#14
Taisuke Imamura, Shuhei Komatsu, Daisuke Ichikawa, Mahito Miyamae, Wataru Okajima, Takuma Ohashi, Jun Kiuchi, Keiji Nishibeppu, Hirotaka Konishi, Atsushi Shiozaki, Ryo Morimura, Hisashi Ikoma, Toshiya Ochiai, Kazuma Okamoto, Hiroki Taniguchi, Eigo Otsuji
This study explored decreased tumor suppressor microRNA (miRNA) plasma levels in pancreatic cancer (PCa) patients to clarify their potential as novel biomarkers and therapeutic targets. We used the microRNA array-based approach to select candidates by comparing plasma levels between PCa patients and healthy volunteers. Six down-regulated miRNAs (miR-107, miR-126, miR-451, miR-145, miR-491-5p, and miR-146b-5p) were selected. Small- and large-scale analyses using samples from 100 PCa patients and 80 healthy volunteers revealed that miR-107 was the most down-regulated miRNA in PCa patients compared with healthy volunteers (P < 0...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716920/vamp3-and-snap23-mediate-the-disturbed-flow-induced-endothelial-microrna-secretion-and-smooth-muscle-hyperplasia
#15
Juan-Juan Zhu, Yue-Feng Liu, Yun-Peng Zhang, Chuan-Rong Zhao, Wei-Juan Yao, Yi-Shuan Li, Kuei-Chun Wang, Tse-Shun Huang, Wei Pang, Xi-Fu Wang, Xian Wang, Shu Chien, Jing Zhou
Vascular endothelial cells (ECs) at arterial branches and curvatures experience disturbed blood flow and induce a quiescent-to-activated phenotypic transition of the adjacent smooth muscle cells (SMCs) and a subsequent smooth muscle hyperplasia. However, the mechanism underlying the flow pattern-specific initiation of EC-to-SMC signaling remains elusive. Our previous study demonstrated that endothelial microRNA-126-3p (miR-126-3p) acts as a key intercellular molecule to increase turnover of the recipient SMCs, and that its release is reduced by atheroprotective laminar shear (12 dynes/cm(2)) to ECs...
August 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28714375/the-association-of-mir-126-3p-mir-126-5p-and-mir-664-3p-expression-profiles-with-outcomes-of-patients-with-metastatic-colorectal-cancer-treated-with-bevacizumab
#16
Ondrej Fiala, Pavel Pitule, Petr Hosek, Vaclav Liska, Ondrej Sorejs, Jan Bruha, Ondrej Vycital, Tomas Buchler, Alexandr Poprach, Ondrej Topolcan, Jindrich Finek
MicroRNAs regulate the expression of genes involved in several important cancer-related processes including cell adhesion, proliferation, and tumour angiogenesis. Bevacizumab is routinely used in the treatment of patients with metastatic colorectal cancer, but, so far, no reliable biomarker predicting response to bevacizumab has been established. The aim of our retrospective study was to evaluate the association of miR-126-3p, miR-126-5p and miR-664-3p tumour expression levels with outcomes of patients with metastatic colorectal cancer treated with bevacizumab...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28713948/microrna%C3%A2-126-inhibits-endothelial-permeability-and-apoptosis-in-apolipoprotein-e%C3%A2-knockout-mice-fed-a-high%C3%A2-fat-diet
#17
Xiao-Wen Cheng, Yu-Feng Wan, Qing Zhou, Yuan Wang, Hua-Qing Zhu
Endothelial dysfunction and apoptosis have key roles in the initiation and progression of atherosclerosis (AS). AS has been demonstrated to be associated with a high‑fat diet, which may increase endothelial permeability and apoptosis; however, the exact mechanisms underlying the development of AS remain poorly understood. MicroRNAs (miRNAs) are vital for the regulation of cardiovascular disease, and dysregulated miRNAs have been implicated in AS. The present study investigated whether miRNA (miR)‑126 regulates high‑fat diet‑induced endothelial permeability and apoptosis by targeting transforming growth factor β (TGFβ), a secreted protein that controls cellular proliferation and apoptosis...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28708589/micrornas-with-prognostic-significance-in-osteosarcoma-a-systemic-review-and-meta-analysis
#18
Dong Cheng, Xubin Qiu, Ming Zhuang, Chenlei Zhu, Hongjun Zou, Zhiwei Liu
INTRODUCTION: This study aimed to elucidate the prognostic value of microRNAs (miRNAs) in patients with osteosarcoma. MATERIALS AND METHODS: Studies were recruited by searching PubMed, Embase, the Cochrane Library, China National Knowledge Infrastructure, and Wanfang data-bases (final search update conducted January 2017). Eligible studies were identified and the quality was assessed using multiple search strategies. RESULTS: A total of 55 articles that investigated the correlation between miRNA expression and either patient survival or disease recurrence in osteosarcoma was initially identified...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28687161/deregulation-of-mir-126-3p-in-basal-like-breast-cancers-stroma-and-its-clinical-significance
#19
Jing Li, Jin Liang Ping, Bo Ma, Ying Rong Chen, Li Qin Li
INTRODUCTION: The aim of this study was to investigate miR-126-3p expression in stroma and tumor cells of basal-like breast cancer tissues, in an effort to elucidate the potential effect of miR-126-3p on tumor microenvironment and progress of basal-like breast cancer. METHODS: Expression levels of miR-126-3p in 33 paired basal-like breast cancer tissues were assayed by real-time quantitative PCR. Tumor cells and normal epithelial cell were isolated from ten paired basal-like breast cancer tissues and matched adjacent tissues, separately, using laser capture microdissect(LCM)-based PCR method...
August 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28678929/cardioprotective-effect-of-crocin-combined-with-voluntary-exercise-in-rat-role-of-mir-126-and-mir-210-in-heart-angiogenesis
#20
Vajihe Ghorbanzadeh, Mustafa Mohammadi, Hassan Dariushnejad, Alireza Abhari, Leila Chodari, Gisou Mohaddes
Background: Crocin is reported to have a wide range of biological activities such as cardiovascular protection. Recent epidemiologic studies have shown that exercise reduces cardiovascular morbidity and mortality in the general population. Objective: The aim of this study was to evaluate the effect of crocin and voluntary exercise on miR-126 and miR-210 expression levels and angiogenesis in the heart tissue. Methods: Animals were divided into 4 groups: control, exercise, crocin, and exercise-crocin...
July 2017: Arquivos Brasileiros de Cardiologia
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