モノクロナール抗体を用いた豚痘ウイルスの解析

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タイトル別名
  • Analysis of Swinepox Virus Antigens using Monoclonal Antibodies.
  • モノクロナール抗体を用いた豚痘ウイルスの解析〔英文〕
  • モノクロナール コウタイ オ モチイタ トントウ ウイルス ノ カイセキ エイ

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Seventeen monoclonal antibodies (MAbs) against swinepox virus (SPV) were produced and characterized. These MAbs were classified into eight groups (A through H) on the basis of the molecular weight of the polypeptides which they recognized and the staining patterns of antigens in SPV-infected cells by the indirect immunofluorescent (IF) technique. The MAbs belonging to groups A, B, C and G recognized late antigens in cytoplasmic inclusion bodies with molecular weights of 97 kD, 65 kD, 48 kD and 15 kD, respectively. The MAbs belonging to groups D and H respectively recognized 35 kD and 12 kD late antigens, which first appeared in cytoblasmic inclusion bodies and spread to the cytoplasms and surface membranes of the infected cells. The MAb of group F recognized an 18 kD late antigen with granular distribution in the cytoplasm. The MAbs of group E recognized a 32 kD early antigen. Although all the MAbs belonging to the six groups (A, D through H) were specific for SPV, some of those belonging to groups B and C showed cross-reactivity with members of the other genera of poxviridae. An MAb in group B, SP14, cross-reacted with orf and rabbit fibroma viruses. Two MAbs in group C, SP24 and SP32, cross-reacted with vaccinia, cowpox, ectromelia, and rabbit fibroma viruses. These findings indicate that at least two SPV antigens contain cross-reactive epitopes with different genera of poxviridae.

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