- The common cytokine receptor gamma chain and the pre-T cell receptor provide independent but critically overlapping signals in early alpha/beta T cell development. Di Santo, J.P., Aifantis, I., Rosmaraki, E., Garcia, C., Feinberg, J., Fehling, H.J., Fischer, A., von Boehmer, H., Rocha, B. J. Exp. Med. (1999)