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Biomarker microRNA

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https://www.readbyqxmd.com/read/28646209/upregulation-of-circulating-microrna-134-in-adult-onset-still-s-disease-and-its-use-as-potential-biomarker
#1
Tsai-Ling Liao, Yi-Ming Chen, Chia-Wei Hsieh, Hsin-Hua Chen, Hsiu-Chin Lee, Wei-Ting Hung, Kuo-Tung Tang, Der-Yuan Chen
Adult-onset Still's disease (AOSD) is a multi-systemic inflammatory disorder of unknown etiology. To date, no single diagnostic test is available for AOSD. Herein, we investigated the pathogenic role of microRNAs in AOSD. MicroRNA profiles in plasma from AOSD patients and healthy controls were analyzed by microarray analysis, followed by quantitative reverse transcription PCR validation. The biological functions of microRNAs were evaluated using in vitro cell-based assay. Among the differentially expressed microRNAs, microRNA-134 (miR-134) expression was positively correlated with AOSD activity scores and significantly decreased after effective treatment...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645739/mir-1224-inhibits-cell-proliferation-in-acute-liver-failure-by-targeting-the-antiapoptotic-gene-nfib
#2
Sanchari Roy, Heike Bantel, Franziska Wandrer, Anne Theres Schneider, Jeremie Gautheron, Mihael Vucur, Frank Tacke, Christian Trautwein, Tom Luedde, Christoph Roderburg
BACKGROUND AND AIMS: Patient outcome in acute liver failure (ALF) is crucially determined by the appropriate balance between cell death and compensatory cell proliferation. MicroRNAs (miRNAs) - small non-coding RNAs that function as guide molecules in RNA silencing - have evolved as crucial mediators of nearly all developmental and pathological processes including physiology and disease of the liver. We investigated the role of miR-1224 during ALF. METHODS: We measured miR-1224 in livers of mice in various acute liver disease murine models and in ALF patients using quantitative real-time polymerase chain reaction...
June 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28644958/translating-cancer-epigenomics-into-the-clinic-focus-on-lung-cancer
#3
REVIEW
Josep Mari-Alexandre, Angel Diaz-Lagares, Maria Villalba, Oscar Juan, Ana B Crujeiras, Alfonso Calvo, Juan Sandoval
Epigenetic deregulation is increasingly being recognized as a hallmark of cancer. Recent studies have identified many new epigenetic biomarkers, some of which are being introduced into clinical practice for diagnosis, molecular classification, prognosis or prediction of response to therapies. O-6-methylguanine-DNA methyltransferase gene is the most clinically advanced epigenetic biomarker as it predicts the response to temozolomide and carmustine in gliomas. Therefore, epigenomics may represent a novel and promising tool for precision medicine, and in particular, the detection of epigenomic biomarkers in liquid biopsies will be of great interest for monitoring diseases in patients...
June 2, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28644855/comparison-of-the-mirna-expression-profiles-in-fresh-frozen-and-formalin-fixed-paraffin-embedded-tonsillar-tumors
#4
Zuzana Vojtechova, Jiri Zavadil, Jan Klozar, Marek Grega, Ruth Tachezy
MicroRNAs are considered as promising prognostic and diagnostic biomarkers of human cancer since their profiles differ between tumor types. Most of the tumor profiling studies were performed on rarely available fresh frozen (FF) samples. Alternatively, archived formalin-fixed paraffin-embedded (FFPE) tissue samples are also well applicable to larger-scale retrospective miRNA profiling studies. The aim of this study was to perform systematic comparison of the miRNA expression profiles between FF and macrodissected FFPE tonsillar tumors using the TaqMan Low Density Array system, with the data processed by different software programs and two types of normalization methods...
2017: PloS One
https://www.readbyqxmd.com/read/28643924/exosomes-novel-regulators-of-bone-remodelling-and-potential-therapeutic-agents-for-orthodontics
#5
REVIEW
L S Holliday, K P McHugh, J Zuo, J I Aguirre, J K Neubert, W J Rody
Recent studies suggest that exosomes are involved in intercellular communication required for the maintenance of healthy bone. Exosomes are small (30-150 nm in diameter) extracellular vesicles that are formed in multivesicular bodies and are released from cells as the multivesicular bodies fuse with the plasma membrane. Regulatory exosomes have the capacity to exert profound control over target cells. They can stimulate plasma membrane receptors and are also internalized by the target cell delivering proteins, lipids, small molecules and functional RNAs from the cell of origin...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643872/circulating-microrna-as-candidates-for-early-embryonic-viability-in-cattle
#6
K G Pohler, J A Green, L A Moley, S Gunewardena, W T Hung, R R Payton, X Hong, L K Christenson, T W Geary, M F Smith
Blood-borne extracellular vesicles (i.e. exosomes and microvesicles) carrying microRNAs (miRNAs) could make excellent biomarkers of disease and different physiologic states, including pregnancy status. We tested the hypothesis that circulating extracellular vesicle-derived miRNAs might differentiate the pregnancy status of cows that had maintained pregnancy to Day 30 from non-pregnant cows or from those that exhibited embryonic mortality between Days 17-30 of gestation. Cows were randomly assigned for artificial insemination with fertile semen (n= 36) or dead semen (n = 8; control group) on Day 0 (day of estrus)...
June 23, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28643818/serum-micrornas-are-altered-in-various-stages-of-chronic-kidney-disease-a-preliminary-study
#7
COMMENT
Benjamin Brigant, Valérie Metzinger-Le Meuth, Ziad A Massy, Nathalie McKay, Sophie Liabeuf, Marion Pelletier, Marion Sallée, Eléonore M'Baya-Moutoula, Pascale Paul, Tilman B Drueke, Stéphane Burtey, Laurent Metzinger
BACKGROUND: MicroRNAs (miRNAs) are innovative and informative blood-based biomarkers involved in numerous pathophysiological processes. In this study and based on our previous experimental data, we investigated miR-126, miR-143, miR-145, miR-155 and miR-223 as potential circulating biomarkers for the diagnosis and prognosis of patients with chronic kidney disease (CKD). The primary objective of this study was to assess the levels of miRNA expression at various stages of CKD. METHODS: RNA was extracted from serum, and RT-qPCR was performed for the five miRNAs and cel-miR-39 (internal control)...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28642869/detection-of-microrna-in-hepatic-cirrhosis-and-hepatocellular-carcinoma-in-hepatitis-c-genotype-4-in-egyptian-patients
#8
Hala M Demerdash, Hend M Hussien, Ehab Hassouna, Emad A Arida
BACKGROUND: In Egypt, the prevalence of chronic hepatitis C (CHC) infection is 13.8% of whole population and about 80% of the patients with hepatocellular carcinoma have underling hepatitis C. AIM: This study was designed to assess the diagnostic value of plasma miR-122 and miR-21 in patients with CHC, genotype-4, to detect fibrosis progression versus noninvasive indices and their diagnostic value in detection of early stages of hepatocellular carcinoma (HCC). METHODOLOGY: A prospective study that included 180 patients, divided into 3 groups: healthy controls (group I), CHC patients (group II), and hepatitis C patients with HCC (group III); all cases were subjected to thorough clinical, radiological, and laboratory investigations...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28641313/evaluation-of-serum-microrna-biomarkers-for-gastric-cancer-based-on-blood-and-tissue-pools-profiling-the-importance-of-mir-21-and-mir-331
#9
Marek Sierzega, Marcin Kaczor, Piotr Kolodziejczyk, Jan Kulig, Marek Sanak, Piotr Richter
BACKGROUND: High stability and disease-specific disarrangements suggest that microRNA molecules (miRNAs) present in body fluids are ideally suited for diagnostic applications, including gastric cancer (GC). However, the actual source of circulating miRNA biomarkers in GC has not been adequately evaluated, particularly in the Western populations that have some distinct characteristics compared with Asian patients. METHODS: Twenty treatment-naive patients with GC along with 20 cancer-free controls were recruited...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641048/updates-and-current-challenges-in-microrna-research-for-personalized-medicine-in-ovarian-cancer
#10
Victoria Mandilaras, Mégane Vernon, Matthieu Meryet-Figuière, Katherine Karakasis, Bernard Lambert, Laurent Poulain, Amit Oza, Christophe Denoyelle, Stephanie Lheureux
Ovarian cancer (OC) is the second most common and the most lethal of the gynecological malignancies. Currently, there exists no effective screening tool for OC. MicroRNAs (miRNAs) are endogenous 18-23 nucleotide non-coding RNAs that refine gene expression. MiRNAs have been found to be aberrantly expressed in OC tumor tissue as well as detectable in biological fluids such as the blood, urine, and ascites and have been proposed as biomarkers and therapeutic targets for OC. Areas covered: This review summarizes the current knowledge regarding the application of miRNAs as diagnostic, prognostic, and predictive biomarkers in OC...
June 22, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28639887/microrna-138-enhances-trail-induced-apoptosis-through-interferon-stimulated-gene-15-downregulation-in-hepatocellular-carcinoma-cells
#11
Chaohui Zuo, Xinyi Sheng, Zhuo Liu, Min Ma, Shuhan Xiong, Hongyu Deng, Sha Li, Darong Yang, Xiaohong Wang, Hua Xiao, Hu Quan, Man Xia
Hepatocellular carcinoma is a leading cause of cancer-related mortality worldwide. TRAIL (tumor necrosis factor-related apoptosis-inducing ligand) is a potential target for cancer therapy. However, many cancer cells are resistant to TRAIL-induced apoptosis and its mechanism is not well understood. In this study, to identify potential therapeutic targets for TRAIL-resistant cancer cells, we compared the expression levels of interferon-stimulated gene 15 in TRAIL-sensitive and TRAIL-resistant hepatocellular carcinoma cell lines...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28639626/circulating-mirnas-as-biomarkers-of-kidney-disease
#12
EDITORIAL
Alexander Hüttenhofer, Gert Mayer
Interest in microRNAs (miRNAs) has dramatically increased in recent years not only because they regulate mRNA expression, and thus many physiological or pathophysiological processes, but also because they could serve as biomarkers. Next to analysis of tissue miRNA expression, measurement in body fluids such as blood or urine is attractive because miRNA in microvesicles or bound to protein is very stable. Currently it is unclear whether these circulating miRNAs are tissue and disease specific or represent more general pathologies like inflammation...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28639412/the-role-of-microrna-5196-in-the-pathogenesis-of-systemic-sclerosis
#13
Marzena Ciechomska, Patryk Zarecki, Michal Merdas, Jerzy Swierkot, Ewa Morgiel, Piotr Wiland, Wlodzimierz Maslinski, Katarzyna Bogunia-Kubik
BACKGROUND: Systemic sclerosis (SSc) is a chronic autoimmune disease characterised by tissue fibrosis and immune abnormalities. Recent evidence suggests that activated circulating monocytes from SSc patients play an important role in early stages of SSc pathogenesis due to enhanced expression of tissue inhibitor of metalloproteinases 1 (TIMP-1), IL-8 and reactive oxygen species (ROS) induction. However, the exact factors that contribute to chronic inflammation and subsequently fibrosis progression are still unknown...
June 21, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28639257/large-scale-genome-wide-screening-of-circulating-micrornas-in-clear-cell-renal-cell-carcinoma-reveals-specific-signatures-in-late-stage-disease
#14
Estelle Chanudet, Magdalena B Wozniak, Liacine Bouaoun, Graham Byrnes, Anush Mukeriya, David Zaridze, Paul Brennan, David C Muller, Ghislaine Scelo
Circulating miRNAs have shown great promises as non-invasive diagnostic and predictive biomarkers in several solid tumors. While the miRNA profiles of renal tumors have been extensively explored, knowledge of their circulating counterparts is limited. Our study aimed to provide a large-scale genome-wide profiling of plasma circulating miRNA in clear-cell renal cell carcinoma (ccRCC). Plasma samples from 94 ccRCC cases and 100 controls were screened for 754 circulating micro-RNAs (miRNA) by TaqMan arrays. Analyses including known risk factors for renal cancer, namely age, sex, hypertension, obesity, diabetes, tobacco smoking and alcohol consumption, highlighted that circulating miRNA profiles were tightly correlated with the stage of the disease...
June 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28638795/potential-prognostic-biomarkers-in-pancreatic-juice-of-resectable-pancreatic-ductal-adenocarcinoma
#15
REVIEW
Shefali Agrawal
Despite potentially curative surgery pancreatic cancer has a dismal prognosis. Serum cancer antigen 19-9 (CA 19-9) correlates with tumor burden, resectability and survival in patients with pancreatic ductal adenocarcinoma. Identification of novel biomarkers may facilitate early diagnosis of pancreatic cancer and improve survival. Pancreatic juice is a rich source of cancer-specific proteins rendering it a promising tool for identifying biomarkers. Recent proteomic and microRNA expression analyses have identified several biomarkers of potential diagnostic and prognostic value...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28638788/histone-deacetylases-microrna-and-leptin-crosstalk-in-pancreatic-cancer
#16
REVIEW
Cynthia I Tchio Mantho, Adriana Harbuzariu, Ruben R Gonzalez-Perez
Because pancreatic cancer (PC) historically has had poor prognosis and five year survival rates, it has been intensely investigated. Analysis of PC incidence and biology has shown a link between different risk factors such as smoking, alcoholism, and obesity and disease progression. Important factors affecting PC include the epigenomic changes driven by DNA methylation and histone acetylation, and actions of microRNA inducing oncogenic or tumor suppressor effects. Studies have identified markers whose dysregulation seem to play important roles in PC progression...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28638270/existence-of-a-strong-correlation-of-biomarkers-and-mirna-in-females-with-metabolic-syndrome-and-obesity-in-a-population-of-west-virginia
#17
Perrine Goguet-Rubio, Rebecca L Klug, Dana L Sharma, Krithika Srikanthan, Nitin Puri, Vishal H Lakhani, Alexandra Nichols, Kathleen M O'Hanlon, Nader G Abraham, Joseph I Shapiro, Komal Sodhi
Objectives: Metabolic syndrome causes complications like cardiovascular disease and type 2 diabetes mellitus (T2DM). As metabolic syndrome develops, altered levels of cytokines and microRNAs (miRNA) are measurable in the circulation. We aimed to construct a panel detecting abnormal levels of cytokines and miRNAs in patients at risk for metabolic syndrome. Methods: Participants included 54 patients from a Family Medicine Clinic at Marshall University School of Medicine, in groups of: Control, Obese, and Metabolic Syndrome (MetS)...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28638226/validation-of-a-serum-microrna-panel-as-biomarkers-for-early-diagnosis-of-hepatocellular-carcinoma-post-hepatitis-c-infection-in-egyptian-patients
#18
Moustafa Nouh Elemeery, Ahmed Noah Badr, Marwa Anwar Mohamed, Doaa Ahmed Ghareeb
AIM: To investigate the prospective importance of serum micro (mi)RNAs (miR-125b, miR-138b, miR-1269, miR-214-5p, miR-494, miR375 and miR-145) as early biomarkers for the diagnosis of hepatitis C virus (HCV)-related hepatocellular carcinoma (HCC). METHODS: Two-hundred and fifty HCV4a patients, 224 HCV4a-HCC patients, and 84 healthy controls were enrolled in the study. Expression levels of miR214-5p, miR-125b, miR-1269 and miR-375 were quantified using quantitative real-time PCR...
June 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28638102/mir-509-5p-and-mir-1243-increase-the-sensitivity-to-gemcitabine-by-inhibiting-epithelial-mesenchymal-transition-in-pancreatic-cancer
#19
Hidekazu Hiramoto, Tomoki Muramatsu, Daisuke Ichikawa, Kousuke Tanimoto, Satoru Yasukawa, Eigo Otsuji, Johji Inazawa
The epithelial-mesenchymal transition (EMT) contributes to various processes in cancer progression, such as metastasis and drug resistance. Since we have already established a cell-based reporter system for identifying EMT-suppressive microRNAs (miRNAs) in the pancreatic cancer cell line Panc1, we performed a function-based screening assay by combining this reporter system and a miRNA library composed of 1,090 miRNAs. As a result, we identified miR-509-5p and miR-1243 as EMT-suppressive miRNAs, although the mechanisms for EMT-suppression induced by these miRNAs have yet to be clarified...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637496/mir21-sensitized-b-lymphoma-cells-to-abt-199-via-icos-icosl-mediated-interaction-of-treg-cells-with-endothelial-cells
#20
Zhong Zheng, Peng-Peng Xu, Li Wang, Hui-Jin Zhao, Xiang-Qin Weng, Hui-Juan Zhong, Bin Qu, Jie Xiong, Yan Zhao, Xue-Feng Wang, Anne Janin, Wei-Li Zhao
BACKGROUND: MicroRNAs (miRs) are involved in tumor progression by regulating tumor cells and tumor microenvironment. MiR21 is overexpressed in diffuse large B-cell lymphoma (DLBCL) and its biological impact on tumor microenvironment remains unclear. METHODS: MiR21 was assessed by quantitative RT-PCR in patients with newly diagnosed DLBCL. The mechanism of action of miR21 on lymphoma progression and tumor angiogenesis was examined in vitro in B-lymphoma cell lines and in vivo in a murine xenograft model...
June 21, 2017: Journal of Experimental & Clinical Cancer Research: CR
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