Immunogenicity of different genetic type rotavirus NSP4 in mice

China Biotechnology

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Immunogenicity of different genetic type rotavirus NSP4 in mice

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Abstract NSP4, as the diarrhea-related protein of rotavirus, is becoming an attractive candidate for vaccine development. To compare the immunogenicity of NSP4 from different genetic groups, we constructed eukaryotic expression plasmids comprising the NSP4 genes from four different genetic types using the pCI vector. The recombinant vectors were designated as pCI-97B6, pCI-97S36, pCI-97S34 and pCI-97SZ8, respectively. Following the conformation of the transient expression of the constructs in 293 cells, the plasmids were respectively subjected to the 5 round i.m. inoculation of BALB/c mice. The specific antibodies against NSP4 as well as the IgG1/IgG2a subclasses of immunoglobulin in mice sera were examined with indirect ELISA after each immunization. The results showed that the immunization of plasmids expression NSP4s could elicit not only humoral but also cellular immunity, but the humoral immune response is dominant. There is a difference of immunogenecity among the NSP4 of different genetic type. Further studies were needed to focus on the relationship between the immunogenicity and protection effect.

Key words： immunogenicity vaccine Rotavirus NSP4

Received: 27 October 2005 Published: 25 April 2006

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. Immunogenicity of different genetic type rotavirus NSP4 in mice. China Biotechnology, 2006, 26(04): 7-11.

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https://manu60.magtech.com.cn/biotech/ OR https://manu60.magtech.com.cn/biotech/Y2006/V26/I04/7

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