The Role of Immune Semaphorins in NAFLD

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Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease associated with systemic changes in immune response. Semaphorins were recently recognized as one of the key regulators of immune responses; while some suppress immune cells activation, proliferation, and production of ...

Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease associated with systemic changes in immune response. Semaphorins were recently recognized as one of the key regulators of immune responses; while some suppress immune cells activation, proliferation, and production of inflammatory cytokines, others stimulate immune responses. We have previously shown that semaphorins are associated with pathogenesis of viral hepatitis and progression of fibrosis. However, their role in NAFLD is unknown. The hypothesis of this project is that semaphorins are regulators of inflammation in patients with NAFLD. This study is designed as a prospective, non-interventional study. The main aims are: (1) to analyze serum concentration of semaphorins in patients with NAFLD; (2) to analyze tissue expression of semaphorins in patients with NAFLD; (3) to analyze semaphorin gene polymorphisms associated with NAFLD. Semaphorins could be a novel diagnostic and prognostic biomarker as well as targets for immune modulation.

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