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JOURNAL ARTICLE
REVIEW
Increased interleukin-32, interleukin-1, and interferon-γ levels in serum from hepatitis B patients and in HBV-stimulated peripheral blood mononuclear cells from healthy volunteers.
Journal of Infection and Public Health 2018 July 11
BACKGROUND: Few studies showed the changes in cytokine profiles after infection by hepatitis B virus (HBV), the most common viral liver disease worldwide. This study examined the relationship between interleukin (IL)-32, IL-1, and interferon (IFN)-γ levels and HBV load.
METHODS: IL-32, IL-1, and IFN-γ levels in hepatitis B patients serum and HBV-stimulated PBMCs were measured by ELISA. Gene transcripts in PBMCs from hepatitis B patients and HBV-stimulated PBMCs from healthy controls were measured by real-time PCR.
RESULTS: IL-32, IL-1, and IFN-γ protein levels in serum from hepatitis B patients were significantly higher than those in healthy volunteers (P<0.05). Hepatitis B patients showed significantly higher expression of IL-32, IL-1, and IFN-γ transcripts than healthy volunteers (P<0.05). IL-32, IL-1, and IFN-γ levels in PBMCs stimulated by different amounts of HBV were significantly higher than those in HBV-unstimulated PBMCs (P<0.05). Real-time PCR results were consistent with the ELISA results.
CONCLUSIONS: The levels of IL-32, IL-1, and IFN-γ protein and transcripts in serum and PBMCs from hepatitis B patients were higher than those in healthy volunteers. Similarly, both were higher in PBMCs from healthy volunteers stimulated by HBV in vitro. However, the changes in cytokine levels were not proportional to the viral load.
METHODS: IL-32, IL-1, and IFN-γ levels in hepatitis B patients serum and HBV-stimulated PBMCs were measured by ELISA. Gene transcripts in PBMCs from hepatitis B patients and HBV-stimulated PBMCs from healthy controls were measured by real-time PCR.
RESULTS: IL-32, IL-1, and IFN-γ protein levels in serum from hepatitis B patients were significantly higher than those in healthy volunteers (P<0.05). Hepatitis B patients showed significantly higher expression of IL-32, IL-1, and IFN-γ transcripts than healthy volunteers (P<0.05). IL-32, IL-1, and IFN-γ levels in PBMCs stimulated by different amounts of HBV were significantly higher than those in HBV-unstimulated PBMCs (P<0.05). Real-time PCR results were consistent with the ELISA results.
CONCLUSIONS: The levels of IL-32, IL-1, and IFN-γ protein and transcripts in serum and PBMCs from hepatitis B patients were higher than those in healthy volunteers. Similarly, both were higher in PBMCs from healthy volunteers stimulated by HBV in vitro. However, the changes in cytokine levels were not proportional to the viral load.
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