Nandi D et al.CD28-mediated costimulation is necessary for optimal proliferation of murine NK cells.J Immunol 152:3361-9 (1994).
June CH et al.The B7 and CD28 receptor families.Immunol Today 15:321-31 (1994).
Clements JL et al.Co-stimulation via CD28 induces activation of a refractory subset of MRL-lpr/lpr T lymphocytes.Int Immunol 5:1451-60 (1993).
Giese T et al.Functionally anergic lpr and gld B220+ T cell receptor (TCR)-alpha/beta+ double-negative T cells express CD28 and respond to costimulation with phorbol myristate acetate and antibodies to CD28 and the TCR.J Immunol 151:597-609 (1993).
Gross JA et al.Identification and distribution of the costimulatory receptor CD28 in the mouse.J Immunol 149:380-8 (1992).
Harding FA et al.CD28-mediated signalling co-stimulates murine T cells and prevents induction of anergy in T-cell clones.Nature 356:607-9 (1992).