Hepatitis C virus (HCV) infection is a major public health issue leading to chronic liver diseases. HCV particles are unique owing to their particular lipid composition, namely the incorporation of neutral lipids and apolipoproteins. The mechanism of association between HCV virion components and these lipoproteins factors remains poorly understood as well as its impact in subsequent steps of the viral life cycle, such as entry into cells. It was proposed that the lipoprotein biogenesis pathway is involved in HCV morphogenesis; yet, recent evidence indicated that HCV particles can mature and evolve biochemically in the extracellular medium after egress. In addition, several viral, cellular and blood components have been shown to influence and regulate this specific association. Finally, this specific structure and composition of HCV particles was found to influence entry into cells as well as their stability and sensitivity to neutralizing antibodies. Due to its specific particle composition, studying the association of HCV particles with lipoproteins remains an important goal towards the rational design of a protective vaccine.
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http://dx.doi.org/10.3390/v12040434 | DOI Listing |
Life Sci
January 2025
School of Life Sciences, Tianjin University, Tianjin, China. Electronic address:
Lactoferrin (Lf) is a naturally occurring glycoprotein known for its antiviral and antibacterial properties and is present in various physiological fluids. Numerous studies have demonstrated its antiviral effectiveness against multiple viruses, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza virus (IFV), herpes simplex virus (HSV), hepatitis B virus (HBV), and human immunodeficiency virus (HIV). Lf, a vital component of the mucosal defense system, plays a crucial role in inhibiting viral infection by binding to both host cells and viral particles, such as the Hepatitis C virus (HCV).
View Article and Find Full Text PDFVirology
January 2025
Microbial Biotechnology Department, Biotechnology Research Institute, National Research Centre, 12622, Cairo, Egypt; Egyptian Centre for Research and Regenerative Medicine (ECRRM), 11517, Cairo, Egypt. Electronic address:
Hepatitis C virus (HCV) is a leading cause of liver disease worldwide. The development of prophylactic vaccine is essential for HCV global eradication. Despite over three decades of research, no effective vaccine for HCV has been developed, primarily due to the virus's genetic diversity, immune evasion mechanisms, and incomplete understanding of protective immunity.
View Article and Find Full Text PDFSci Rep
November 2024
Laboratory of Virus Molecular Biology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, A. Abrahama 58, 80-307, Gdańsk, Poland.
An effective vaccine against hepatitis C virus (HCV) should elicit both humoral and cellular immune responses. Previously, we characterized a bivalent vaccine candidate against hepatitis B (HBV) and HCV using chimeric HBV-HCV virus-like particles (VLP), in which the highly conserved epitope of HCV E2 glycoprotein (residues 412-425) was inserted into the hydrophilic loop of HBV small surface antigen (sHBsAg). While sHBsAg_412-425 elicited cross-neutralizing antibodies, it did not trigger a T-cell response against HCV.
View Article and Find Full Text PDFRNA Biol
January 2024
Department of Research and Development, Premas Biotech Pvt Ltd., Industrial Model Township (IMT), Gurugram, India.
J Med Virol
September 2024
Department of Infectious Diseases and Hepatology, Medical University of Białystok, Białystok, Poland.
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