國家衛生研究院 NHRI:Item 3990099045/1367
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/1367


    Title: Optimization of microcarrier cell culture process for the inactivated enterovirus type 71 vaccine development
    Authors: Wu, SC;Liu, CC;Lian, WC
    Contributors: Vaccine Research and Development Center
    Abstract: Enterovirus 71 (EV71) is an enterovirus that could lead to severe neurological disorders and fatalities. The inactivated vaccine is an appropriate EV71 vaccine format for meeting current needs. Large-scale preparation of the inactivated EV71vaccine depends on a scalable cell culture system for industrial mass production. In this paper, Vero cells were found to produce higher titers of EV71 than did MRC-5 and WI-38 cells. High-density microcarrier Vero cell cultures were established using 5 g/L Cytodex I microcarriers and found to promote the release of EV71s from infected Vero cells. For the large-scale production of the inactivated vaccine antigen, the extracellular virus titers produced in the 2 L bioreactor were found to be 10 times lower than the spinner flask culture but improved by 30-folds using glucose/glutamine feedings during infection. A serum-free Vero cell microcarrier culture was also established in the bioreactor, yielding a high-titer of 5.8 x 10(7) TCID50/mL for EV71 production. The immunogenicity of the inactivated virions produced in serum-free culture elicited a slightly higher level of neutralizing antibody response in immunized mice. These results constitute valuable information on the development of a large-scale microcarrier cell culture process for producing inactivated EV71 vaccine.
    Keywords: Immunology;Medicine, Research & Experimental;Veterinary Sciences
    Date: 2004-09-28
    Relation: Vaccine. 2004 Sep;22(29-30):3858-3864.
    Link to: http://dx.doi.org/10.1016/j.vaccine.2004.05.037
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0264-410X&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000224154700007
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=4444238865
    Appears in Collections:[Others] Periodical Articles

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