[Investigation of the Relationship Between TNF-α, IL-12A, IL-12B and IFN-γ Gene Polymorphisms and Chronic Hepatitis C].

Hepatitis C virus (HCV) infection is still an important public health problem worldwide. Cytokines play an important role in the prognosis of HCV infections. Polymorphisms in the cytokine genes can affect the gene expression and change the clinical course of the disease.