3Nutt SL, Brady J, Hayakawa Y,et al. Interleukin 21 : a key player in lymphocyte maturation [ J 1. Crit Rev Immunol, 2004,24:239 - 250.
4Asao H. Analysis of gammac-dependent cytokines-mediated immu- noregulation [ J ]. Rinsho Byori ,2007,55:51-58.
5Bird S, Zou J, Kono T,et al. Characterisation and expression analy- sis of interleukin 2 ( IL-2 ) and IL-21 homologues in the Japanese pufferfish, Fugu rubripes, following their discovery by synteny[ J ]. Immunogeneties, 2005,56:909-923.
9Fina D, Sarra M, Caruso R, et al. Interleukin 21 contributes to the mucosal T helper cell type 1 response in coeliac disease[ J ]. Gut, 2008,57:887-892.
10Niess JH, Leithauser F, Adler G,et al. Commensal gut flora drives the expansion of proinflammatory CIM T cells in the colonic lamina propria under normal and inflammatory conditions [ J ]. J Immunol, 2008,180:559-568.
