Drug-Induced Liver Injury Clinical Trial
Official title:
Detection of Immune Cell Responses in Chronic HCV Patients Developing Hepatocellular Carcinoma After Treatment With Direct Acting Antiviral Drugs (DAAs)
Case control Study to assess the difference of immune cell responses between patients with chronic HCV- related liver cirrhosis who develop HCC after treatment with DAAs and those who do not develop HCC
Clinical and laboratory assessment with measurement of Child-Pugh and MELD scores to assess
the severity of liver disease and measurement of alpha fetoprotein level for HCC cases will
be done.
Radiological assessment using abdominal ultrasound and triphasic CT will be done to determine
the extent of the HCC and staging.
Blood sample from all patients will be withdrawn. Plasma will be isolated and stored at - 20C
and further analysis for a panel of cytokines, caspases and growth factors using ELISA will
be monitored.
Peripheral blood mononuclear cells (PBMCs) will be isolated using ficoll gradient method and
will then be stored at -80C.
B and T cell proliferation in response to specific antigens will also be investigated using
CFSE staining assay followed by flow cytometry analysis for CD4, CD8 and PD-1.
Cell cycle analysis and apoptosis will be detected using Annexin V/PI staining method and
flow cytometry analysis. The phosphorylation and activation of cytoplasmic proteins will be
tested using Western blot analysis.
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