marrow cells from 16 patients with severe combined immunodeficiency diseases ( scid ) were examined for the presence of t cell precursors which could be induced to express surface markers and functions of t lymphocytes after exposure in vitro to thymic extracts or peptides of thymic origin ( thymopoietin and thymopoietin32-36 ( tp-5 ) .
C0040105
thymopoietin
C0080225
tp-5