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학술저널
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대한바이러스학회 JOURNAL OF BACTERIOLOGY AND VIROLOGY 大韓바이러스學會誌 제25권 제1호
발행연도
1995.6
수록면
59 - 71 (13page)

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To study the antigenic characteristics and differentiation serotypes of Hantavirus, the produced hybridoma secreting monoclonal antibodies(Mabs) against Hantaan virus, 76/118 strain and Seoul virus, 80/39 strain were produced by fusion of mouse myeloma cell, Sp2/0-Ag14 with spleen cells isolated from Balb/c mice immunized with Hantaan virus or Seoul virus. From the result in this study, the Mabs against Hantaan virus were screened by indirect immunofluorescent antibody techinque(IFA). 587 hybridoma cells were produced out of 768 wells and the fusion frequency was 76%. Seven among 587 hybridoma cells produced Mabs against Hantaan virus continuously. Isotype analysis of Mabs against Hantaan virus revealed that all these Mabs belong to the IgG2a subclass. All 7 Mabs reacted to nucleocapsid (N) proteins (MW.49-50Kd) of Hantaan virus by immunoblot assay. Mabs against Seoul virus were screened, 985 hybridoma cells were produced out of 1152 and the fusion frequency was 86%. Eight arnong 985 hybridoma cells produced Mabs against Seoul virus continuously. Isotype analysis of these Mabs against Seoul virus revealed the IgM and IgG2a subclass. These 8 Mabs reacted to nucleocapsid (N) proteins (MW.49-50Kd) of Seoul virus as demonstrated by immunoblot. Interestingly, these Mabs had neutralizing activity determined by PRNT analysis. Therefore it is suspected that the antigenic sites on N protein may be involved in the virus neutralization. The serological reactivity of 7 Mabs against Hantaan virus with Hantaan virus were strong, although Seoul, Puumala and prospect hill virus were not reacted to these Mabs. 8 Mabs against Seoul virus, reacted to Seoul virus strongly. Hantaan and Puumala virus reacted slightly to these Mabs but Prospect hill virus did not. To comparative study of sensitivity test between IFA and double sandwich ELISA method for human sera using ELISA of which these Mabs coated were tested, the ELISA method was more sensitive than IFA. These Mabs react.ed specifically to Hantaan and Seoul virus. There are antigenic relationships among Hantaviruses could be analysed by using these Mabs.

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