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Microrna biomarker

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https://www.readbyqxmd.com/read/28547036/circulating-microrna-1a-is-a-biomarker-of-graves-disease-patients-with-atrial-fibrillation
#1
Fang Wang, Sheng-Jie Zhang, Xuan Yao, Dong-Mei Tian, Ke-Qin Zhang, Dun-Min She, Fei-Fan Guo, Qi-Wei Zhai, Hao Ying, Ying Xue
PURPOSE: It has been increasingly suggested that specific microRNAs expression profiles in the circulation and atrial tissue are associated with the susceptibility to atrial fibrillation. Nonetheless, the role of circulating microRNAs in Graves' disease patients with atrial fibrillation has not yet been well described. The objective of the study was to identify the role of circulating microRNAs as specific biomarkers for the diagnosis of Graves' disease with atrial fibrillation. METHODS: The expression profiles of eight serum microRNAs, which are found to be critical in the pathogenesis of atrial fibrillation, were determined in patients with Graves' disease with or without atrial fibrillation...
May 25, 2017: Endocrine
https://www.readbyqxmd.com/read/28546527/effect-of-necrosis-on-the-mirna-mrna-regulatory-network-in-crt-mg-human-astroglioma-cells
#2
So-Hee Ahn, Jung-Hyuck Ahn, Dong-Ryeol Ryu, Jisoo Lee, Min-Sun Cho, Youn-Hee Choi
Purpose: Glioblastoma multiforme (GBM) is the most common adult primary intracranial tumor. The remarkable features of GBM include central necrosis. MicroRNAs (miRNAs) have been considered as diagnostic/prognostic biomarkers for many cancers, including glioblastoma. However, the effect of necrosis on the miRNA expression profile and predicted miRNA-mRNA regulatory information remain unclear. The purpose of this study is to examine the effect of necrotic cells on the modulation of miRNA and mRNA expression profiles and miRNA-mRNA network in CRT-MG cells...
May 22, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28546328/microrna-15a-16-1-antagomir-ameliorates-ischemic-brain-injury-in-experimental-stroke
#3
Xinxin Yang, Xuelian Tang, Ping Sun, Yejie Shi, Kai Liu, Sulaiman H Hassan, R Anne Stetler, Jun Chen, Ke-Jie Yin
BACKGROUND AND PURPOSE: Dysregulation of the miR-15a/16-1 cluster in plasma has been reported in patients with stroke as a potential biomarker for diagnostic and prognostic use. However, the essential role and therapeutic potential of the miR-15a/16-1 cluster in ischemic stroke are poorly understood. This study is aimed at investigating the regulatory role of the miR-15a/16-1 cluster in ischemic brain injury and insight mechanisms. METHODS: Adult male miR-15a/16-1 knockout and wild-type mice, or adult male C57 BL/6J mice injected via tail vein with the miR-15a/16-1-specific inhibitor (antagomir, 30 pmol/g), were subjected to 1 hour of middle cerebral artery occlusion and 72 hours of reperfusion...
May 25, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28545228/aberrant-dna-methylation-as-a-biomarker-and-a-therapeutic-target-of-cholangiocarcinoma
#4
REVIEW
Toshiaki Nakaoka, Yoshimasa Saito, Hidetsugu Saito
Cholangiocarcinoma is an epithelial malignancy arising in the region between the intrahepatic bile ducts and the ampulla of Vater at the distal end of the common bile duct. The effect of current chemotherapy regimens against cholangiocarcinoma is limited, and the prognosis of patients with cholangiocarcinoma is poor. Aberrant DNA methylation and histone modification induce silencing of tumor suppressor genes and chromosomal instability during carcinogenesis. Studies have shown that the tumor suppressor genes and microRNAs (miRNAs) including MLH1, p14, p16, death-associated protein kinase (DAPK), miR-370 and miR-376c are frequently methylated in cholangiocarcinoma...
May 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28545181/hepatocellular-carcinoma-a-comprehensive-review-of-biomarkers-clinical-aspects-and-therapy
#5
Nathalia Martines Tunissiolli, Márcia Maria Urbanin Castanhole-Nunes, Patrícia Matos Biselli-Chicote, Érika Cristina Pavarino, Renato Ferreira da Silva, Rita de Cássia Martins Alves da Silva, Eny Maria Goloni-Bertollo
Hepatocellular carcinoma (HCC) is a cause of several deaths related to cancer worldwidely. In early stage, curative treatments such as surgical resection, liver transplant and local ablation can improve the patient ´s survival. However, the disease is detected in advanced stage; moreover some available therapies are restricted to palliative care and local treatment. Early detections of HCC and adequate therapy are crucial to increase survival as well as to improve the patient´s quality of life. Therefore, researchers have been investigating molecular biomarkers with high sensibility and reliability as Golgi 73 protein (GP73), Glypican-3 (GPC3), Osteopontin (OPN), microRNAs and others...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545106/serum-microrna-signatures-as-liquid-biopsies-for-interrogating-hepatotoxic-mechanisms-and-liver-pathogenesis-in-human
#6
Julian Krauskopf, Theo M de Kok, Shelli J Schomaker, Mark Gosink, Deborah A Burt, Patricia Chandler, Roscoe L Warner, Kent J Johnson, Florian Caiment, Jos C Kleinjans, Jiri Aubrecht
MicroRNAs (miRNAs) released into the peripheral circulation upon cellular injury have shown a promise as a new class of tissue-specific biomarkers. We were first to demonstrate that next-generation sequencing analysis of serum from human subjects with acetaminophen-induced liver injury revealed a specific signature of circulating miRNAs. We consequently hypothesized that different types of hepatic liver impairments might feature distinct signatures of circulating miRNAs and that this approach might be useful as minimally invasive diagnostic "liquid biopsies" enabling the interrogation of underlying molecular mechanisms of injury in distant tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28545033/microrna-expression-levels-as-diagnostic-biomarkers-for-intraductal-papillary-mucinous-neoplasm
#7
Lei Wang, Jianming Zheng, Chang Sun, Li Wang, Gang Jin, Lei Xin, Zhendong Jin, Dong Wang, Zhaoshen Li
Intraductal papillary mucinous neoplasms (IPMNs) are deadly exocrine mucinous tumors. Currently the molecular features and diagnostic markers of IPMNs are not well understood. In this study, we performed microRNA (miRNA) profiling assays to study the potential roles of miRNAs in IPMNs using 78 cases of IPMN patients and controls. When comparing the miRNA expression between IPMN patient samples and controls, we found that miR-210, miR-223, miR-221, miR-155 and miR-187 were differentially expressed in normal pancreas and IPMNs...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28542740/plasma-micrornas-as-biomarkers-of-pancreatic-cancer-risk-in-a-prospective-cohort-study
#8
Eric J Duell, Leila Lujan-Barroso, Núria Sala, Samantha Deitz McElyea, Kim Overvad, Anne Tjonneland, Anja Olsen, Elisabete Weiderpass, Lill-Tove Busund, Line Moi, David Muller, Paolo Vineis, Dagfinn Aune, Giuseppe Matullo, Alessio Naccarati, Salvatore Panico, Giovanna Tagliabue, Rosario Tumino, Domenico Palli, Rudolf Kaaks, Verena A Katzke, Heiner Boeing, H B As Bueno-de-Mesquita, Petra H Peeters, Antonia Trichopoulou, Pagona Lagiou, Anastasia Kotanidou, Ruth C Travis, Nick Wareham, Kay-Tee Khaw, Jose Ramon Quiros, Miguel Rodríguez-Barranco, Miren Dorronsoro, María-Dolores Chirlaque, Eva Ardanaz, Gianluca Severi, Marie-Christine Boutron-Ruault, Vinciane Rebours, Paul Brennan, Marc Gunter, Ghislaine Scelo, Greg Cote, Stuart Sherman, Murray Korc
Non-invasive biomarkers for early pancreatic ductal adenocarcinoma (PDAC) diagnosis and disease risk stratification are greatly needed. We conducted a nested case-control study within the Prospective Investigation into Cancer and Nutrition (EPIC) cohort to evaluate pre-diagnostic microRNAs (miRs) as biomarkers of subsequent PDAC risk. A panel of eight miRs (miR-10a, -10b, -21-3p, -21-5p, -30c, -106b, -155, and -212) based on previous evidence from our group was evaluated in 225 microscopically confirmed PDAC cases and 225 controls matched on center, sex, fasting status, and age/date/time of blood collection...
May 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28540690/microrna-regulatory-networks-as-biomarkers-in-obesity-the-emerging-role
#9
Lihua Zhang, Daniel Miller, Qiuping Yang, Bin Wu
Even though it is a pandemic health problem worldwide, the pathogenesis of obesity is poorly understood. Recently, emerging studies verified that microRNAs (miRNAs) are involved in complicated metabolic processes including adipocyte differentiation, fat cell formation (adipogenesis), obesity-related insulin resistance and inflammation. Many regulatory networks have been identified in murine adipose tissue, but those in human adipose tissue are not as well known. In addition, miRNAs have been detected in circulation, and thus may be usable as diagnostic indicators...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28540676/micrornas-biomarkers-diagnostics-and-therapeutics
#10
Weili Huang
MicroRNAs (miRNAs) are small noncoding RNAs (21-23 nucleotides in length) that regulate gene expression at translational or posttranslational levels. The major regulatory mechanisms include translational repression or mRNA degradation (Filipowicz et al., Curr Opin Struct Biol 15:331-341, 2005).Aberrant expression of miRNAs has been found to be associated with a variety of human diseases such as cancers/tumors, diabetes, viral infections, cardiovascular diseases, neurodegenerative diseases, and other diseases (Wang et al...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28540642/plasma-and-white-blood-cells-show-different-mirna-expression-profiles-in-parkinson-s-disease
#11
Christine Schwienbacher, Luisa Foco, Anne Picard, Eloina Corradi, Alice Serafin, Jörg Panzer, Stefano Zanigni, Hagen Blankenburg, Maurizio F Facheris, Giulia Giannini, Marika Falla, Pietro Cortelli, Peter P Pramstaller, Andrew A Hicks
Parkinson's disease (PD) diagnosis is based on the assessment of motor symptoms, which manifest when more than 50% of dopaminergic neurons are degenerated. To date, no validated biomarkers are available for the diagnosis of PD. The aims of the present study are to evaluate whether plasma and white blood cells (WBCs) are interchangeable biomarker sources and to identify circulating plasma-based microRNA (miRNA) biomarkers for an early detection of PD. We profiled plasma miRNA levels in 99 L-dopa-treated PD patients from two independent data collections, in ten drug-naïve PD patients, and in unaffected controls matched by sex and age...
May 24, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28540143/association-between-coronary-artery-disease-and-microrna-literature-review-and-clinical-perspective
#12
Rehan Malik, Raja S Mushtaque, Usman A Siddiqui, Adnan Younus, Muhammad A Aziz, Choudhry Humayun, Kanaan Mansoor, Muhammad A Latif, Salman Waheed, Salman Assad, Idrees Khan, Syed M Bukhari, Daniel DelCampo, Ali Adus, Swetha Gannarapu
BACKGROUND: Until recently, circulating micro-RNAs (miRNAs) have attracted major interest as novel biomarkers for the early diagnosis of coronary artery disease (CAD). This review article summarizes the available evidence on the correlation of micro-RNAs with both the clinical and subclinical coronary artery disease and highlights the necessity for exploring miRNAs as a potential diagnostic and prognostic biomarker of early CAD in an adult population. METHODS: A systematic literature analysis and retrieval online systems Public/Publisher MEDLINE/ Excerpta Medica Database /Medical Literature Analysis and Retrieval System Online,(PUBMED/EMBASE/MEDLINE) search were conducted for relevant information...
April 23, 2017: Curēus
https://www.readbyqxmd.com/read/28539816/hsa-mir-96-and-hsa-mir-217-expression-down-regulates-with-increasing-dysplasia-in-pancreatic-intraepithelial-neoplasias-and-intraductal-papillary-mucinous-neoplasms
#13
XiaoYan Chang, ChunKai Yu, Ji Li, Shuangni Yu, Jie Chen
AIM: To compare the clinicopathological features of pancreatic intraepithelial neoplasias (PanINs) and intraductal papillary mucinous neoplasms (IPMNs), and to investigate the role of hsa-miR-96 and hsa-miR-217 in these two lesions. Methods: Formalin-fixed paraffin-embedded pancreatic specimens were selected in this study, including 58 cases of pancreatic intraepithelial neoplasias (PanINs), 45 cases of pancreatic ductal adenocarcinomas (PDAs), and 57 cases of intraductal papillary mucinous neoplasms (IPMNs)...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28538565/urinary-excretion-of-microrna-126-is-a-biomarker-for-hemangioma-proliferation
#14
Ayan Biswas, Xueliang Pan, Melissa Meyer, Savita Khanna, Sashwati Roy, Gregory Pearson, Richard Kirschner, Patricia Witman, Esteban Fernandez Faith, Chandan K Sen, Gayle M Gordillo
BACKGROUND: Hemangiomas are unique endothelial cell tumors that involute spontaneously, which makes interpreting their response to therapies difficult. The objective of this work was to identify a potential biomarker in the urine of children with infantile hemangiomas that would facilitate testing new therapies. METHODS: A prospective longitudinal study in children with hemangiomas and age-matched healthy controls was performed to determine whether microRNA-126, which is highly abundant in fetal endothelial cells, was more abundant in the urine of affected children...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28537888/high-expression-of-mir-493-5p-positively-correlates-with-clinical-prognosis-of-non-small-cell-lung-cancer-by-targeting-oncogene-itgb1
#15
Zhu Liang, Rui Kong, Zhan He, Li-Yao Lin, Shan-Shan Qin, Chun-Yuan Chen, Zhan-Qiang Xie, Fei Yu, Guo-Qian Sun, Chun-Guang Li, Da Fu, Geng-Xi Jiang, Jie Chen, Yu-Shui Ma
Increasing evidence supports that microRNA (miRNA)-mediated gene regulation plays a significant functional role in cancer progression. To investigate the expression and clinical significance of ITGB1 in non small cell lung cancer (NSCLC), the expression levels of ITGB1 in NSCLC tissues and human normal lung tissues were analyzed in silico using genes microarray, KEGG pathway and hierarchical clustering analysis followed by validation with quantitative RT-PCR. Our results showed that ITGB1 was upregulated in NSCLC tissues when compared with normal lung tissues...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537676/down-regulation-of-mir-342-3p-in-hepatocellular-carcinoma-tissues-and-its-prognostic-significance
#16
Y Gao, S-G Zhang, Z-H Wang, J-C Liao
OBJECTIVE: The involvement of microRNAs in cancer and their potential as biomarkers of prognosis are becoming increasingly appreciated. The aim of this study was to evaluate the clinical importance and prognostic value of miR-342-3p in hepatocellular carcinoma (HCC). PATIENTS AND METHODS: RT-PCR was used to detect the expression of miR-342-3p. The association with clinicopathologic features was analyzed. Kaplan-Meier survival analysis and Cox proportional hazards analysis were used to compare the overall survival between HCC patients with high miR-342-3p expression and those with low miR-342-3p expression...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28536858/quantification-of-micrornas-directly-from-body-fluids-using-a-base-stacking-isothermal-amplification-method-in-a-point-of-care-device
#17
Maggie R Williams, Robert D Stedtfeld, Tiffany M Stedtfeld, James M Tiedje, Syed A Hashsham
MicroRNAs have been proposed to be a class of biomarkers of disease as expression levels are significantly altered in various tissues and body fluids when compared to healthy controls. As such, the detection and quantification of microRNAs is imperative. While many methods have been established for quantification of microRNAs, they typically rely on time consuming handling such as RNA extraction, purification, or ligation. Here we describe a novel method for quantification of microRNAs using direct amplification in body fluids without upstream sample preparation...
September 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28536479/circulating-microrna-214-and-126-as-potential-biomarkers-for-canine-neoplastic-disease
#18
Kazuki Heishima, Yukie Ichikawa, Kyoko Yoshida, Ryota Iwasaki, Hiroki Sakai, Takayuki Nakagawa, Yuiko Tanaka, Yuki Hoshino, Yasuhiko Okamura, Mami Murakami, Kohji Maruo, Yukihiro Akao, Takashi Mori
Circulating microRNAs in the blood may provide diagnostic and prognostic information about canine neoplastic diseases, and their profiles may be conserved between human and canine species. We performed RT-qPCR to obtain the profiles of circulating plasma microRNA-214 and -126 in total 181 cases of canine neoplastic diseases and healthy controls. MicroRNA-214 levels were high in 2 epithelial tumours (thyroid and mammary carcinomas) and 4 non-epithelial tumours (osteosarcoma, histiocytic sarcoma, chondrosarcoma, and hemangiosarcoma)...
May 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28536328/-microrna-in-various-aspects-of-cancer-development
#19
Sho Nambara, Koshi Mimori
MicroRNAs(miRNAs)are small(18-25 nucleotides)noncoding RNA molecules that bind to partially complementary mRNA sequences, resulting in target degradation or translation inhibition. A single miRNA can influence the expression of hundreds of target genes, and miRNAs have been implicated as key molecules in various diseases, including cancer. Many studies have shown that the miRNAs play an important role in cancer cells and tumor microenvironment and may be biomarkers for early detection and therapeutic targets for various cancers...
May 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28536082/mir-30b-5p-functions-as-a-tumor-suppressor-in-cell-proliferation-metastasis-and-epithelial-to-mesenchymal-transition-by-targeting-g-protein-subunit-%C3%AE-13-in-renal-cell-carcinoma
#20
Wenjuan Liu, Honghong Li, Yan Wang, Xinyao Zhao, Yuanying Guo, Jing Jin, Rongxiang Chi
Increasing evidence has demonstrated that aberrant microRNAs (miRNAs) play important roles in the pathogenesis of most human malignancies. The purpose of this study was to explore the role of miR-30b-5p in human RCC. In the current study, we firstly found that the expression levels of miR-30b-5p were lower in both RCC tissues and cell lines. Then, we found that enforced miR-30b-5p expression and knockdown of GNA13 significantly suppressed the proliferation, invasion, migration and EMT of RCC cell lines. In addition, miR-30b-5p directly targeted GNA13 and repressed its expression...
May 20, 2017: Gene
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