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AIM:To explore the influence of polymorphisms in genes encoding for the chemokines Stromal cell-Derived Factor-1 (SDF-1)/CXCL12 and Monocyte Chemotactic Protein-1 (MCP-1)/CCL2 , or for the chemokine receptor CCR5 on the risks of liver-related death and hepatocellular carcinoma (HCC) occurrence in hepatitis C virus (HCV)-infected patients. METHODS:SDF-1 3’A, MCP-1 (-2518) and CCR5-32 polymorphisms, SDF-1α, Regulated upon Activation Normal T cells Expressed and Secreted (RANTES)/CCL5 and MCP-1 serum levels were determined in 120 HCV-infected patients, included at time of cirrhosis diagnosis and prospectively followed-up. RESULTS:During follow-up, 23/120 (19.1%) patients died and 47/120 (39.1%) developed HCC. Carriers and noncarriers of each genetic marker had similar baseline characteristics estimating the severity of liver disease. The occurrence of death or HCC during follow-up was similar among carriers and noncarriers of each polymorphism. There was no association between the carriage of mutated alleles and chemokine serum levels and the latter were not associated with the risks of death or HCC. CONCLUSION:This study suggests the lack of association of SDF-1 3’A , MCP-1 (-2518) , CCR5-32 polymorphisms with death and HCC occurrence in cirrhotic HCV-infected patients.
AIM: To explore the influence of polymorphisms in genes encoding for the chemokines Stromal cell-Derived Factor-1 (SDF-1) / CXCL12 and Monocyte Chemotactic Protein-1 (MCP-1) / CCL2, or for the chemokine receptor CCR5 on the risks of liver-related death and hepatocellular carcinoma (HCC) occurrence in hepatitis C virus (HCV) -infected patients. METHODS: SDF-1 3’A, MCP- 1 (-2518) and CCR5-32 polymorphisms, Regulated upon Activation Normal T cells Expressed and Secreted (RANTES) / CCL5 and MCP-1 serum levels were determined in 120 HCV-infected patients, including at time of cirrhosis diagnosis and prospectively followed-up. RESULTS: During follow-up, 23 / Carriers and noncarriers of each genetic marker had similar baseline characteristics estimating the severity of liver disease. The occurrence of death or HCC during follow-up was similar to carriers (19.1%) and noncarriers of each polymorphism. There was no association between the carria ge of mutated alleles and chemokine serum levels and the latter were not associated with the risks of death or HCC. CONCLUSION: This study suggests the lack of association of SDF-1 3’A, MCP-1 (-2518), CCR5-32 polymorphisms with death and HCC occurrence in cirrhotic HCV-infected patients.