Abstract:
:In this article, we review three mechanisms that contribute to sustaining serum antibody levels: (i) long-lived plasma cells; (ii) persisting or cross-reactive antigen, and (iii) polyclonal activation of all memory B cells. We also present a quantitative analysis of the secondary immune response that reveals the relative contribution of antigen induced short- and long-lived plasma cells versus polyclonal activation of all memory B cells. Antigenic boost sustains high levels of serum antibodies only for a few months, while polyclonal activation sustains low levels of protective antibodies for a human lifetime.
journal_name
Vaccinejournal_title
Vaccineauthors
Traggiai E,Puzone R,Lanzavecchia Adoi
10.1016/s0264-410x(03)00198-1subject
Has Abstractpub_date
2003-06-01 00:00:00pages
S35-7eissn
0264-410Xissn
1873-2518pii
S0264410X03001981journal_volume
21 Suppl 2pub_type
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