2Grewal IS,Havall RA.A central role of CD40 ligand in the regulation of CD4^+ T cell responses.Immunol Today,1996,17:410.
3Koga T,McGhbee JR,Kato H,et al.Evidence for early aging in the mucosal immune system.J Immunol,2000,165:5352.
4Brandtzaeg P.Molecular and cellular aspects of the secretory immunoglobulin system.APMIS,1995,103:1.
5Tagliabue A,Nencioni L,Villa L,et al.Antibody-dependent cell-mediated antibacterial activity of intestina lymphocytes with secretory IgA.Nature,1983,306:184.
6Godding V,Sibille Y,Massion PP,et al.Secretory component production by human bronchial epithelial cells is upregulated by interferon gamma.Eur Respir J,1998,11:1043.
7Fujihashi K,Kato H,van Ginkel FW,et al.A revisit of mucosal IgA immunity and oral tolerance.Acta Odontol Scand,2001,59:301.
8Grewal IS,Flavel RA.CD40 and CD154 in cell-mediated immunity.Annu Rev Immunol,1998,16:111.