SCAI is a transcriptional cofactor and tumour suppressor that suppresses MKL1-induced SRF transcriptional activity. It may function in the RHOA-DIAPH1 signal transduction pathway and regulate cell migration through transcriptional regulation of ITGB1 [1].

1: SCAI acts as a suppressor of cancer cell invasion through the transcriptional control of beta1-integrin. Brandt DT, Baarlink C, Kitzing TM, Kremmer E, Ivaska J, Nollau P, Grosse R; Nat Cell Biol. 2009;11:557-568. PMID:19350017