... Pathology, The University of Hong Kong, Pokfulam, Hong Kong, China, 3National Key Laboratory for Molecular Virology, Institute of Virology, 100 Yingxin Street, Beijing 100052, China and 4Laboratory ... repressor of cyclic adenosine 3',5'-monophos-phate (cAMP)-regulated enhancer-binding protein activityinhibits the cAMP-mediated induction of the somatostatinpromoter in vivo. Mol Endocrinol ... suggested by Vinson et al. [37]. The dominant-inhibitory activities of the latter two proteins A-ATF4 and A-LZIP were verified using electrophoretic mobility shiftassay and CAT reporter assay (data...