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Upregulation of circulating miR-20a is correlated with hepatitis C virus mediated liver disease progression.
MedLine Citation:
PMID:  23390075     Owner:  NLM     Status:  Publisher    
Chronic hepatitis C Virus (HCV) infection is one of the major causes of liver fibrosis and liver transplantation in the United States. Circulating microRNA (miRNA) in the blood are emerging as biomarkers for pathological conditions. In the present study, we performed a systematic screening approach to identify upregulated miRNAs in the plasma/serum of HCV infected patients with different stages of hepatic histological disease severity. We initially screened serum samples of HCV infected patientswith fibrosisand compared with sera of healthy volunteers using serum miRNA array profiling, and identified a group of modulated miRNAs. Subsequent study demonstrated that miR-20aand miR-92a in HCV infected fibrosispatients sera were significantly upregulated when compared with that of healthy volunteers or non-HCV associated liver disease. We have also observed anincrease of plasma miR-20a and miR-92a in acute and chronic HCV infected patients as compared to that of healthy volunteers. However, there was no correlation between the plasma/serum levels of any of these miRNAs with HCV viral loads.We next investigated longitudinal plasma samples from HCV infected patients. Our results suggested that miR-20a and miR-92a remained unaltered in HCV infected patients who progressed from acute to chronic infection. On the other hand, miR-92a expression was reduced in acute to resolved individuals. These data provide evidence that plasma/serumlevels of miR-20a and miR-92a have potential as sensitive and cost effective biomarkers for early detectionof HCV infection. Conclusion: The circulating miR-20a may serve as a potential for predictive biomarker in HCV mediated fibrosis. (HEPATOLOGY 2013.).
Shubham Shrivastava; Jessica Petrone; Robert Steele; Georg M Lauer; Adrian M Di Bisceglie; Ratna B Ray
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-6
Journal Detail:
Title:  Hepatology (Baltimore, Md.)     Volume:  -     ISSN:  1527-3350     ISO Abbreviation:  Hepatology     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8302946     Medline TA:  Hepatology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 American Association for the Study of Liver Diseases.
Departments of Pathology, Harvard Medical School, Boston, MA.
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