Canine parvovirus binds to multiple cellular membrane proteins from both permissive and nonpermissive cell lines
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Updated: Oct 13, 2026

Efficient Recombinant Parvovirus Production with the Help of Adenovirus-derived Systems
Published on: April 23, 2012
1Laboratory of Veterinary Virology, College of Agriculture and Veterinary Medicine, Nihon University, Kanagawa, Japan. uwatoko@brs.nihon-u.ac.jp
Abstract:
For identification of canine parvovirus (CPV) binding protein, the SDS-solubilized cell membrane fraction from a permissive cell line. CRPK, was subjected to the virus overlay protein blot assay (VOPBA). Competitive inhibition experiments showed the presence of multiple CPV-binding proteins with molecular masses of 36, 35, 33, 31, 29, 27, 25, and 23 kDa. CPV-binding proteins of same molecular masses were also detected in membrane fractions from nonpermissive, as well as other permissive, cell lines. We confirm that the mechanism of nonpermissiveness to CPV is not operative at the cellular attachment level.
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