國家衛生研究院 NHRI:Item 3990099045/3167
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/3167


    Title: Immunoproteomic identification of the hypothetical protein NMB1468 as a novel lipoprotein ubiquitous in Neisseria meningitidis with vaccine potential
    Authors: Hsu, CA;Lin, WR;Li, JC;Liu, YL;Tseng, YT;Chang, CM;Lee, YS;Yang, CY
    Contributors: Vaccine Research and Development Center
    Abstract: Many potential vaccine candidates for serogroup B Neisseria meningitidis (NMB) have been identified by reverse vaccinology, a genome-based approach. However, some candidates may be unseen owing to uncertain annotation or their peculiar properties. In this study, we describe the preparation and identification of a novel lipoprotein expressed in all meningococcal strains tested. mAb were first prepared from mice immunized with a meningococcal B strain isolated in Taiwan. Total proteins from the immunizing strain were separated by 2-DE in duplicate. Clone 4-7-3, which crossreacted to 174 tested meningococcal isolates, was used as the primary antibody for Western blotting. The immunoreactive spot was identified by LC-mass spectrometric analysis of the corresponding spot from the silver-stained gel and confirmed by molecular biology approach to be a novel lipoprotein encoded by the hypothetical NMB1468 gene. The potential use of this protein, designated Ag473/NMB1468, as a vaccine component was evaluated using the recombinant protein produced in Escherichia coli. Immunized mice were found to be protected from developing meningococcal disease after intraperitoneal inoculation with a lethal dose of meningococcal strain Nm22209, suggesting that Ag473/NMB1468 may be a promising vaccine candidate. This study also demonstrates the usefulness of the immunoproteomic approach in identificafion of novel vaccine candidates.
    Keywords: Biochemical Research Methods;Biochemistry & Molecular Biology
    Date: 2008-05
    Relation: Proteomics. 2008 May;8(10):2115-2125.
    Link to: http://dx.doi.org/10.1002/pmic.200700574
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1615-9853&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000256293300018
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=44649143912
    Appears in Collections:[Others] Periodical Articles

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