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Abstract Details
LOXL-2 and TNC-C are markers of liver fibrogenesis in HCV/HIV-, HIV- and HCV-infected patients
1Department of Medicine, Harvard Medical School & Massachusetts General Hospital, Boston, MA 02114, USA.
2Department of Medicine, University of California San Francisco, School of Medicine, San Francisco, CA 94143, USA.
3Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA.
Abstract
Background: Lysil oxidase like enzyme-2 (LOXL-2) and TNC-C play important roles in organ fibrosis. We assessed circulating LOXL-2 and TNC-C levels and their relationship to fibrosis severity in HIV- and/or HCV-infected individuals. Methods: Healthy controls (n = 22), HIV mono- (n = 15), HCV mono- (n = 52) and HCV/HIV-co-infected (n = 92) subjects were included. Results:LOXL-2 and TNC-C levels were significantly higher in HCV mono- and HCV/HIV-co-infected individuals with F0 compared to healthy controls. In addition, in HCV/HIV-co-infected individuals, LOXL-2 levels were higher in intermediate fibrosis compared to no/mild fibrosis. Conclusion: In HCV/HIV-co-infected study participants, both LOXL-2 and TNC-C were significantly higher in intermediate fibrosis compared to no/mild fibrosis, but did not further increase with advanced fibrosis. Furthermore, both markers were elevated among HCV/HIV-positive individuals with mild/no fibrosis.