Human defensins and Th-1 cytokines in hepatitis C viral infection

Pan Afr Med J. 2020 Sep 29:37:103. doi: 10.11604/pamj.2020.37.103.25211. eCollection 2020.

Abstract

Introduction: active or chronic exacerbated forms of hepatitis C virus (HCV) infection subsequently progress to liver disease and human defensins has been determined to have some level of anti-viral properties invitro whilst the expression of T helper-1 cytokines is known to promote complete recovery from acute HCV infection. The study sought to determine relationship between these immune responses.

Methods: a cross sectional descriptive study design was employed. Hundred and thirty-two individuals were assessed were assessed for to anti-HCV, HCV RNA, serum levels of human alpha defensins 1 (HAD-1) and human beta defensins 1 (HBD-1). T helper 1 cytokines (IL-2, IFN gamma, TNF alpha) secreted in serum were also analyzed using commercial ELISA assay. The study was conducted in Kumasi, Obuasi and Daboya in Ghana.

Results: the serum mean concentrations of HAD-1, HBD-1, IL-2, IFN gamma and TNF alpha showed no significant difference in concentrations among participants with chronic, spontaneously recovered or negative to HCV infection (p>0.05). Persons with hepatitis B co-infection were more likely to develop chronic HCV infection (p=0.039). HAD-1 and HBD-1 showed significant positive association with IL-2 (p=0.000) whilst only HAD-1 positively correlated with IL-2 (p<0.000).

Conclusion: the immunological markers determined had no association with the status of HCV infection. HAD-1 increased with increasing levels of IL-2. These findings suggest that during HCV infection, inflammatory response through the production of cytokines by IL-2 cells may affect the release of HAD-1 and HBD-1.

Keywords: Hepatitis C; chronic; cytokines; human defensins; spontaneous recovery.

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Child
  • Cross-Sectional Studies
  • Cytokines / blood*
  • Female
  • Hepatitis C / blood
  • Hepatitis C / immunology
  • Hepatitis C / virology*
  • Hepatitis C, Chronic / blood
  • Hepatitis C, Chronic / immunology
  • Hepatitis C, Chronic / virology
  • Humans
  • Male
  • Middle Aged
  • Th1 Cells / immunology
  • Young Adult
  • alpha-Defensins / blood*
  • beta-Defensins / blood*

Substances

  • Cytokines
  • DEFB1 protein, human
  • alpha-Defensins
  • beta-Defensins
  • human neutrophil peptide 1