- Allospecific and virus-specific cytolytic T lymphocytes are restricted to the N or C1 domain of H-2 antigens expressed on L cells after DNA-mediated gene transfer. Reiss, C.S., Evans, G.A., Margulies, D.H., Seidman, J.G., Burakoff, S.J. Proc. Natl. Acad. Sci. U.S.A. (1983)