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Hepatocellular carcinoma (HCC) is the third most common cause of cancer related death worldwide. One of most common causes of HCC includes infection with hepatitis C virus (HCV) in association with cirrhosis. We study the impact of HCV on hepatocyte cell signaling that augments viral infection and promotes hepatocarcinogenesis. We primarily utilize a proteomic approach to identify pathways targeted by HCV. The HCV encoded NS5A and CORE proteins appear to alter cell growth and are reported to protect cells from apoptosis. We hypothesize Core and NS5A alter hepatocyte signaling pathways that promote HCV infection and lead to development of hepatocellular carcinoma. Through coimmunoprecipitation, we have recently identified NS5A in complex with heat shock proteins (HSP)s that we term the NS5A/HSP complex. Formation of the NS5A/HSP complex may significantly alter cell signaling, facilitate viral replication, and be tumorigenic. We have found that the HSP synthesis inhibitor Quercetin markedly reduces HCV infection in tissue culture and we are now initiating a phase one clinical trial to determine Quercetin’s safety and efficacy in subjection with chronic HCV infection. Identification and elucidation of novel pathways affected by HCV will allow biomarker development and non-toxic drug design to treat and prevent HCV as well as HCC.
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Simon T Hui, Lili Gong, Chantle Swichkow,Montgomery Blencowe,Dorota Kaminska,Graciel Diamante,Calvin Pan, Meet Dalsania,Samuel W French,Clara E Magyar,Päivi Pajukanta,Jussi Pihlajamäki,
Cellular and molecular gastroenterology and hepatologyno. 6 (2023): 943-960
Gustavo Garcia,Joseph Ignatius Irudayam, Arjit Vijay Jeyachandran,Swati Dubey,Christina Chang,Sebastian Castillo Cario,Nate Price, Sathya Arumugam, Angelica L. Marquez,Aayushi Shah, Amir Fanaei,Nikhil Chakravarty,
biorxiv(2023)
Gustavo Garcia,Joseph Ignatius Irudayam,Arjit Vijey Jeyachandran,Swati Dubey,Christina Chang,Sebastian Castillo Cario,Nate Price, Sathya Arumugam, Angelica L Marquez,Aayushi Shah, Amir Fanaei,Nikhil Chakravarty,
Cell reports. Medicineno. 5 (2023): 101024-101024
JPGN reportsno. 2 (2023): e303-e303
Proceedings of the National Academy of Sciences of the United States of Americano. 28 (2023)
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Cellsno. 19 (2023)
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