the secretion of carcinoembryonic antigen ( cea ) into the spent medium from these cultured cell lines was modified by several factors , such as theophylline , cyclic amp ( camp ) , dibutyryl cyclic amp ( dbcamp ) , bromodeoxyuridine ( brdurd ) , dimethyl sulfoxide ( dmso ) , prostaglandin e2 ( pge2 ) and human interferon ( inf ) .
C0001455
cyclic amp
C0012054
dibutyryl cyclic amp