TY - GEN AU - Walunas,T L AU - Sperling,A I AU - Khattri,R AU - Thompson,C B AU - Bluestone,J A TI - CD28 expression is not essential for positive and negative selection of thymocytes or peripheral T cell tolerance SN - 0022-1767 PY - 1996///0227 KW - Animals KW - CD28 Antigens KW - genetics KW - Cell Differentiation KW - immunology KW - H-2 Antigens KW - Immune Tolerance KW - Immunologic Deficiency Syndromes KW - Immunophenotyping KW - Intestinal Mucosa KW - Mice KW - Mice, Inbred C3H KW - Mice, Inbred C57BL KW - Minor Lymphocyte Stimulatory Antigens KW - biosynthesis KW - Receptors, Antigen, T-Cell, alpha-beta KW - Receptors, Antigen, T-Cell, gamma-delta KW - T-Lymphocyte Subsets KW - classification KW - Thymus Gland KW - cytology N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S ER -