alexa Role Of HIV-1 Nef In Acceleration Of HCV-mediated Liver Disease Progression
ISSN 2155-6113

Journal of AIDS & Clinical Research
Open Access

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2nd International Conference on HIV/AIDS, STDs, & STIs
October 27-29, 2014 Embassy Suites Las Vegas, USA

In-Woo Park, Yan Fan, JinfengLiu, Linden Green and Johnny J He
ScientificTracks Abstracts: J AIDS Clin Res
DOI: 10.4172/2155-6113.S1.006
The precise molecular mechanisms on how HIV-1 co-infection accelerates HCV-mediated liver disease progression are currently unknown. Our data showed that infectious HIV-1 virus particles failed to enter into human hepatocytic cell lines, and discernible virus replication was not observed, even when the hepatocytes transfected with HIV-1 proviral DNA were co-cultured with Jurkat T cells, suggesting that liver deterioration in the co-infected patients is not due to the replication of HIV-1 in the hepatocytes. Instead, HIV-1 Nef protein can be transferred from Nef-expressing or HIV-1-infected cells to hepatocytes through conduits, not exosomes, and the transferred Nef in the target hepatocytes altered lipid droplet formation, up-regulated subgenomic replicon expression of HCV, augmented reactive oxygen species (ROS) production, and enhanced ethanol-mediated up-regulation of HCV replication. Taken together, these data indicate that HIV-1 Nef plays an integral role in expedition of liver pathogenesis in the HIV-1/HCV co-infected hosts.
In-woo Park is currently working as Associate Professor in department of Cell Biology and Immunology, UNTHSC (University of North Texas Health Science Center). 2011 - 2013 Research Associate Professor Cell Biology and Anatomy, UNTHSC, 2007 - 2011 Research Assistant Professor Microbiology and Immunology, Indiana Uni. Sch. of Medicine, 1996 - 2007 Instructor Experimental Medicine, Harvard Medical School. He is also a member of Radiation Safety Committee.
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