Induction of Immune Response and Protective Immunity by a Local Isolated Varicella Virus in Animal Model: A Future Candidates for Vaccine Production.

Induction of Immune Response and Protective Immunity by a Local Isolated Varicella Virus in Animal Model: A Future Candidates for Vaccine Production. Iran J Allergy Asthma Immunol. 2018 Dec 31;17(6):586-593 Authors: Esna-Ashari F, Sabahi F, Ravanshad M, Mohammadi A Abstract Preparation of the indigenous varicella zoster vaccine could significantly reduce the disease burden of varicella zoster virus especially in immunosuppressed children. To achieve this goal, the varicella zoster virus was isolated from an 8 years boy infected with chicken pox. The virus was cultivated in sensitive cell line and determined varicella zoster. The adaptation and attenuation of virus was carried out after several passages in MRC-5 cell culture, Primary Guinea pig embryo fibroblast cell culture and again switching in MRC-5 cell culture. The challenged of vaccine dose was found 3LogCCID50. Following two doses of immunization in guinea pigs via inoculated cell culture-fluid attenuated- local isolated VZV at zero and 14 day, the humoral immune response, varicella-zoster virus (VZV) IgG and IgM were determined using enzyme-linked Immunosorbent and seroneutralization assays at 7, 14, 21, 30, 60, 90.120 days after receiving of the first and second dose of vaccine. The results of immunization showed good 93% seroconversion in guinea pig which compared with vOKa vaccine was not significant (p
Source: Iranian Journal of Allergy, Asthma and Immunology - Category: Allergy & Immunology Authors: Tags: Iran J Allergy Asthma Immunol Source Type: research

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