Abstract
Hepatitis C virus (HCV) infection is the main cause of chronic hepatitis, affecting an estimated 150 million people worldwide. Initial exposure to HCV is most often followed by chronic hepatitis, with only a minority of individuals spontaneously clearing the virus. This study aimed to find an associated relationship between HCV susceptibility and Polymorphic gene of IL‐1B targeting a total of 45 individuals: 30 patients with chronic hepatitis C and 15 healthy control from different cities of Iraqi recruited the Hospital for diseases of the digestive system and liver in Baghdad between November 2022 to February 2023. Genomic DNA was extracted and specific promotor sequence was amplified by polymerase chain reaction (PCR) followed by sequencing then measuring serum concentrations of IL-1β by Enzyme-Linked Immunosorbent Assay (ELISA). The results revealed significant difference in serum levels of IL-1B (P≤0.01), from 1.10-+0.09 in Chronic HCV patients in comparison with its level in healthy controls 7.58± 0.28. Molecular results suggested that single nucleotide polymorphisms in the promoter of IL-1B is probably associated with susceptibility to HCV chronic infection according to this sample of Iraqi patients. In conclusion, the results suggested that variation in serum level and polymorphism in IL-1B is probably associated with susceptibility to hepatitis C virus chronic infection.
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