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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Identification of salivary proteins inhibiting herpes simplex virus 1 replication.

Salivary proteins play an important role in the maintenance of the oral ecology. Previous studies have indicated that human submandibular-sublingual and parotid salivas can selectively suppress the in vitro infectivity of herpes simplex virus 1. The purpose of this study was to identify the salivary components in human submandibular-sublingual saliva that modulate in vitro infectivity. Assessment of the interaction of viral particles with salivary components was accomplished using an in vitro solid-phase assay. These experiments revealed that herpes simplex virus particles selectively interact with the members of the salivary proline-rich protein and cystatin families. Subsequent yield reduction assays demonstrated the ability of proline-rich proteins and salivary cystatins to inhibit the viral replication, with basic proline-rich peptides being more effective. Subsequent assays suggest that basic proline-rich peptides reduced the virus titer by interfering with penetration and/or cellular processing of virus within the target cell. Collectively, these results further suggest that salivary proteins have an important role in the host defense mechanism against recurrent herpesvirus infection.[1]


  1. Identification of salivary proteins inhibiting herpes simplex virus 1 replication. Gu, M., Haraszthy, G.G., Collins, A.R., Bergey, E.J. Oral Microbiol. Immunol. (1995) [Pubmed]
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