passages.id: split_5_test_3358_passage
passages.type: progene_text
passages.text: The promoter activity of cyclin D2 was shown to be induced by FSH and the catalytic alpha subunit of PKA ( PRKACA ) , and this activity was repressible by inducible cAMP early repressor ( ICER ) , a cAMP response element ( CRE ) modulator isoform .