Journal
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR AND CELL BIOLOGY OF LIPIDS
Volume 1791, Issue 6, Pages 552-559Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bbalip.2008.12.012
Keywords
Hepatitis C virus; HCV; Core protein; Steatosis; Virus infection; Virus assembly
Funding
- MRC [MC_U130184143] Funding Source: UKRI
- Medical Research Council [MC_U130184143, MC_UU_12014/1] Funding Source: Medline
- Medical Research Council [MC_U130184143] Funding Source: researchfish
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Lipid droplets play an important part in the life cycle of hepatitis C virus and also are markets for steatosis, which is a common condition that arises during infection. These storage organelles are targeted by the viral core protein, which forms the capsid shell. Attachment of core to lipid droplets requires a C-terminal domain within the protein that is highly conserved between different virus isolates. In infected cells, the presence of core on lipid droplets creates loci that contain viral RNA and non-structural proteins involved in genome replication. Such locations may represent sites for initiating assembly and production of nascent virions. In addition to utilising lipid droplets as part the virus life cycle, hepatitis C virus induces their accumulation in infected hepatocytes. The mechanisms involved in this process are not understood but evidence from patient-based studies and model systems suggests the involvement of both viral and host factors. (C) 2008 Elsevier B.V. All rights reserved.
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