Journal
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
Volume 379, Issue 2, Pages 330-334Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2008.12.054
Keywords
Hepatitis C virus; Infection; Replication; 3D culture; PPAR; Immortalized hepatocytes; Blood-borne HCV
Categories
Funding
- Ministry of Health, Labor and Welfare of Japan
- Ministry of Education, Sports, Culture, and Technology of Japan
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Due to the high polymorphism of natural hepatitis C virus (HCV) variants, existing recombinant HCV replication models have failed to be effective in developing effective anti-HCV agents. In the current study, we describe an in vitro system that Supports the infection and replication of natural HCV from patient blood using an immortalized primary human hepatocyte cell line cultured in a three-dimensional (3D) culture system. Comparison of the gene expression profile of cells cultured in the 3D system to those cultured in the existing 2D system demonstrated an up-regulation of several genes activated by peroxisome proliferator-activated receptor alpha (PPAR alpha) signaling. Furthermore, using PPAR alpha agonists and antagonists, we also analyzed the effect of PPAR alpha signaling on the modulation of HCV replication using this system. The 3D in vitro system described in this study provides significant insight into the search for novel anti-HCV strategies that are specific to various strains of HCV. (c) 2008 Elsevier Inc. All rights reserved.
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