. . . . . . . . . . . . "a(SCHEM:Tretinoin) -| p(HGNC:ID1)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "We show that the mRNA levels of the differentiation-inhibiting basic helix-loop-helix transcription factors ID1, ID2, and ID3 are down-regulated during RA-induced differentiation of SH-SY5Y cells. The levels of ID proteins decreased in parallel to the observed transcriptional repression. The blot was hybridized sequentially with 32P-labeled DNA probes specific for the mRNAs for RARbeta (RARB, 3 kb), c-myc (MYC, 2.5 kb), ID3" . . "Selventa" . . . . "2014-07-03T14:31:49.103+02:00"^^ . . .