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oai:repisalud.isciii.es:20.500.12105/174462024-09-27T20:48:47Zcom_20.500.12105_2052com_20.500.12105_2051col_20.500.12105_19609

00925njm 22002777a 4500 dc Berenguer, Juan author Fernandez-Rodriguez, Amanda author Jimenez-Sousa, Maria Angeles author Cosín, Jaime author Zarate, Paola author Micheloud, Dariela author López, Juan Carlos author Miralles, Pilar author Catalán, Pilar author Resino, Salvador author 2012-01 Background: CXCL10 may contribute to the host immune response against the hepatitis C virus (HCV), liver disease progression, and response to HCV antiviral therapy. The aim of our study was to analyze the relationship among virological, immunological, and clinical characteristics with plasma CXCL10 levels in human immunodeficiency virus (HIV)/HCV-coinfected patients. Methods: We carried out a cross-sectional study on 144 patients. CXCL10 and insulin were measured using an immunoassay kit. The degree of insulin resistance was estimated for each patient using the homeostatic model assessment (HOMA) method. Insulin resistance was defined as a HOMA index higher than or equal to 3.8. Aspartate aminotransferase (AST) to platelet ratio (APRI), FIB-4, Forns index, HGM1, and HGM2 were calculated. Results: The variables associated with log(10) CXCL10 levels by univariate analysis were age (b=0.013; p=0.023), prior AIDS-defining condition (b=0.127; p=0.045), detectable plasma HIV viral load (b=0.092; p=0.006), log(10) HOMA (b=0.216; p=0.002), HCV-genotype 1 (b=0.114; p=0.071), and liver fibrosis assessed by all non-invasive indexes (log(10) APRI (b=0.296; p=0.001), log(10) FIB-4 (b=0.436; p<0.001), log(10) Forns index (b=0.591; p<0.001), log(10) HGM1 (b=0.351; p=0.021), and log(10) HGM2 (b=0.215; p=0.018)). However, in multivariate analysis, CXCL10 levels were only associated with HOMA, detectable plasma HIV viral load, HCV-genotype 1 and FIB-4 (R-square=0.235; p<0.001). Conclusion: Plasma CXCL10 levels were influenced by several characteristics of patients related to HIV and HCV infections, insulin resistance, and liver fibrosis, indicating that CXCL10 may play an important role in the pathogenesis of both HCV and HIV infections. Cytokine. 2012 Jan;57(1):25-9. 10.1016/j.cyto.2011.10.020 1096-0023 Cytokine 22136974 http://hdl.handle.net/20.500.12105/17446 Chemokine HOMA AIDS Chronic hepatitis C Inflammation High plasma CXCL10 levels are associated with HCV-genotype 1, and higher insulin resistance, fibrosis, and HIV viral load in HIV/HCV coinfected patients