. . . . . . . . . . . . "p(HGNC:CDKN1B) -| bp(GO:\"cell cycle\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "Breast Cancer" . "Breast Cancer" . "Other" . "endogenous estrogen stimulates cell proliferation and tumor progression. This mitogenic signal is mediated by the estrogen receptor, a member of the nuclear receptor family. Stimulation of the ER upregulates expression of the PR. Decreased levels of the cell-cycle inhibitor p27Kip1 protein: prognostic implications in primary breast cancer." . . "Selventa" . . . . "2014-07-03T14:29:44.867+02:00"^^ . . .