1Parrish-Novak J, Dillon SR, Nelson A, et al. lnterleukine 21 and its receptor are involved in NK cell expansion and regulation of lymphocyte function[J]. Nature,2000,408:57.
2Olosz F, Malek TR. Structural basis for binding multiple ligands by the common cytokine receptor gamma-chain [J]. J Biol Chem, 2002,277 :12047.
3Vosshenrich CA, Di Santo JP. Cytokines:IL-21 joins the γc-dependent network[J]? Curr Biol,2001,11 :R175.
4Zhang JL, Foster D. Sebald W. Human IL-21 and IL-4 bind to partially overlapping epitopes of common gamma-chain [J]. Biochem Biophys Res Commun ,2003,300 : 291.
5Habib T, Senadheera S, Weinbeig K, et al. The common gamma chain(gamma c) is a required signaling component of IL-21 receptor and supports IL-21-induced cell proliferation via JAK3[J]. Biochemistry.2002,41 : 8725.
6Asao H, Okuyama C, Kumaki S, et al. Cutting edge : the common gamma-chain is an indispensable subunit of the IL-21 receptor complex[J]. J Immunol,2001,167 : 1.
7Mehta DS, Wurster AL, Whitters MJ, et al. IL-21 induces the apoptosis of resting and activated primary B cells[J]. J Immunol, 2003, 170:4111.
8Ozaki K,Spolski R,Feng CG,et al. A critical role for IL-21 in regulating immunogloblin production[J]. Science,2002,298:1630.
9Eberl M, Altincicek B, Kollas AK, et al. Accumulation of a potent gamma delta T-cen stimulator after deletion of the lytB gene in Escherichia coli[J]. Immunology .2002,106:200.
10Eberl M, Engel R, Beck E, et al. Differentiation of human gamma-delta T cells towards distinct memory phenotypes[J]. Cell Immunol, 2002,218:1.
