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乳头瘤病毒L1衣壳通过一种蛋白质受体凝集小鼠红细胞。

Papillomavirus L1 capsids agglutinate mouse erythrocytes through a proteinaceous receptor.

作者信息

Roden R B, Hubbert N L, Kirnbauer R, Breitburd F, Lowy D R, Schiller J T

机构信息

Laboratory of Cellular Oncology, National Cancer Institute, Bethesda, Maryland 20892, USA.

出版信息

J Virol. 1995 Aug;69(8):5147-51. doi: 10.1128/JVI.69.8.5147-5151.1995.

Abstract

Virus-like particles (VLPs) composed of L1 derived from bovine papillomavirus type 1 (BPV-1), several human papillomavirus types, or cottontail rabbit papillomavirus (CRPV) agglutinated mouse but not human or rat erythrocytes. Treatment of mouse erythrocytes with trypsin prevented hemagglutination (HA) by BPV-1. Sera from rabbits immunized with native CRPV VLPs, which protect against experimental CRPV infection, exhibited high titers of antibodies that inhibited CRPV VLP HA activity, while sera from rabbits immunized with denatured CRPV VLPs or native BPV VLPs, which do not protect against CRPV infection, were not inhibitory. Testing for HA inhibition is a rapid and simple method for examining the serological relatedness of papillomaviruses and measuring protective antibody titers after VLP vaccination.

摘要

由源自1型牛乳头瘤病毒(BPV-1)、多种人乳头瘤病毒类型或棉尾兔乳头瘤病毒(CRPV)的L1组成的病毒样颗粒(VLP)能凝集小鼠红细胞,但不能凝集人或大鼠红细胞。用胰蛋白酶处理小鼠红细胞可防止BPV-1引起的血凝反应(HA)。用天然CRPV VLP免疫的兔子血清可预防实验性CRPV感染,其抗体滴度较高,能抑制CRPV VLP的HA活性,而用变性CRPV VLP或天然BPV VLP免疫的兔子血清(不能预防CRPV感染)则无抑制作用。HA抑制试验是一种快速简便的方法,可用于检测乳头瘤病毒的血清学相关性以及测量VLP疫苗接种后的保护性抗体滴度。

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Interaction of papillomaviruses with the cell surface.乳头瘤病毒与细胞表面的相互作用。
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