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All rights reserved. http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://purl.org/dc/elements/1.1/title BEL Framework Large Corpus Document http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://purl.org/pav/authoredBy http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#_4 http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://purl.org/pav/version 20131211 http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#_3 http://www.w3.org/ns/prov#value Progesterone (P4) is an essential reproductive steroid hormone required for many aspects of female reproductive physiology. Progestins are compounds that demonstrate progesterone-like activity and are used in oral contraception, hormone therapy, and treatment of some reproductive disorders, but differ widely in their chemical structures, potency, and pharmacokinetics. While numerous studies have assessed progestins on specific endpoints, little is known about the activation of global gene expression by progestins. We used Affymetrix GeneChip U133A expression arrays to examine the action of P4 and six clinically relevant synthetic progestins (3-ketodesogestrel, drospirenone, levonorgestrel, medroxyprogesterone acetate, norethindrone acetate, and trimegestone) on the progesterone receptor (PR)-positive T47Dco and the PR-negative T47D-Y breast cancer cell lines. Excluding drospirenone, one or more of the progestins-regulated 329 genes, with 30 genes regulated by at least 2.0-fold by all progestins in the T47Dco cells. The synthetic progestins show a high degree of similarity in their transcriptional responses, and each progestin regulates between 77 and 91% of the genes regulated by P4. Independent quantitative RT-PCR analysis confirmed a similar regulation for S100P, PPL, IL20RA, NET1, ATP1A1, HIG2, and CXCL12 (SDF-1) by all seven progestins. Attempts to find differentially regulated genes by any progestin compared to all other treatments failed, suggesting any differences are quantitative, not qualitative. This analysis demonstrates a high degree of similarity among these progestins on PR-regulated gene expression in T47D cells, suggesting a similar and fairly specific mode of action. http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#_3 http://www.w3.org/ns/prov#wasQuotedFrom http://www.ncbi.nlm.nih.gov/pubmed/16157482 http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#_4 http://www.w3.org/2000/01/rdf-schema#label Selventa http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#assertion http://www.w3.org/ns/prov#hadPrimarySource http://www.ncbi.nlm.nih.gov/pubmed/16157482 http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#assertion http://www.w3.org/ns/prov#wasDerivedFrom http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#assertion http://www.w3.org/ns/prov#wasDerivedFrom http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#_3 http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic#pubinfo http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic http://purl.org/dc/terms/created 2014-07-03T14:32:50.108+02:00 http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic http://purl.org/pav/createdBy http://orcid.org/0000-0001-6818-334X http://www.tkuhn.ch/bel2nanopub/RAqO4Z5HLYnTm8wPbWQT9HHUE6cdHk5OA56NNnvDUO7Ic http://purl.org/pav/createdBy http://orcid.org/0000-0002-1267-0234