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has been cited by the following article:

• TITLE: The Role of Circulating MicroRNAs as Markers of Disease Progression in Hepatitis C Virus Infected Egyptian Patients

  AUTHORS: Reem Abdel Hamid Harfoush, Marwa Ahmed Meheissen, Reham Abel Haleem Abo Elwafa, Doaa Ahmed Elwazzan

  KEYWORDS: MicroRNA, Hepatocellular Carcinoma, Hepatitis C Virus

  JOURNAL NAME: Advances in Microbiology, Vol.6 No.4, April 20, 2016

  ABSTRACT: Background: The discovery of miRNAs circulating in the peripheral blood has opened new directions of research to identify new non-invasive markers for diagnosis of diseases. Aim: The aim of the study was to evaluate the expression levels of circulating plasma miRNAs (miRNA-21 & miRNA-122) in Egyptian patients with chronic uncomplicated and complicated HCV. Patients & Methods: This study was conducted on 60 Chronic HCV infected patients. Patients were divided into three groups (20 patients each): uncomplicated HCV, cirrhosis, and hepatocellular carcinoma (HCC). All patients were subjected to laboratory investigations including complete blood picture, liver function tests. Expression levels of miRNA-21 and -122 in plasma using RT-PCR were determined. Results: MiRNA-21 showed significant fold increase in chronic uncomplicated HCV while significant fold decrease in cirrhotic and HCC groups (P = 0.036). On the other hand, miRNA-122 showed significant fold elevation in both chronic uncomplicated and cirrhotic groups and significant fold decrease in HCC group (P = 0.005). ROC curve analysis for miRNA-122 yielded 68.4% sensitivity and 100% specificity for the differentiation of HCC patients from non-HCC at a cutoff 0.184. Neither miRNA-21 nor miRNA-122 was a successful predictor for HCC diagnosis. Conclusion: MiRNA-122 can be used as novel non-invasive biomarker for monitoring HCV related disease progression.