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dc.contributor.authorTangen, Ingvild Løbergen_US
dc.contributor.authorOnyango, Therese Bredholten_US
dc.contributor.authorKopperud, Reidun Kristinen_US
dc.contributor.authorBerg, Annaen_US
dc.contributor.authorHalle, Mari Kyllesøen_US
dc.contributor.authorØyan, Anne Margreteen_US
dc.contributor.authorWerner, Henrica Maria Johannaen_US
dc.contributor.authorTrovik, Joneen_US
dc.contributor.authorKalland, Karl-Henningen_US
dc.contributor.authorSalvesen, Helga Birgitteen_US
dc.contributor.authorKrakstad, Camillaen_US
dc.date.accessioned2017-06-12T11:46:59Z
dc.date.available2017-06-12T11:46:59Z
dc.date.issued2016-06-30
dc.PublishedTangen IL, Onyango T, Kopperud R, Berg A, Halle MK, Øyan AM, Werner HMJ, Trovik J, Kalland K-H, Salvesen H, Krakstad C. Androgen receptor as potential therapeutic target in metastatic endometrial cancer. OncoTarget. 2016;7(31):49289-49298eng
dc.identifier.issn1949-2553
dc.identifier.urihttps://hdl.handle.net/1956/15966
dc.description.abstractPurpose: The expression and involvement of estrogen (ER) and progesterone receptor (PR) is extensively studied in endometrial cancer. Androgen receptor (AR) is a hormone receptor less studied in female cancers, and we here aim to investigate the expression level of AR in endometrial cancer precursor lesions, primary tumors and metastases, and its potential as therapeutic target. Results: Expression of AR was observed in 93% of hyperplasias, but only in 41% of non-endometrioid tumors. Compared to estrogen and progesterone receptor AR is more commonly expressed in metastatic lesions, and AR status is discordant in primary and metastatic lesions in a large proportion of cases. AR protein level was significantly associated with survival (P < 0.001), and a calculated AR to ERα ratio identified a subgroup of patients with particular poor outcome. The anti-androgen enzalutamide may have a growth inhibitory effect in endometrial cancer cells based on experiments with primary endometrial tumor cells. Materials and Methods: 718 primary endometrial cancers and 298 metastatic lesions (from 142 patients) were investigated for expression of AR in relation to survival, clinical and histopathological data. Protein levels were investigated by immunohistochemistry and reverse phase protein array; mRNA levels by DNA oligonucleotide microarray. The effect of androgen stimulation and inhibition was tested on primary endometrial tumor cells. Conclusions: A large proportion of metastatic endometrial cancer lesions express AR, which may be a potential target in these patients. Treatment targeting AR may be of particular benefit in patients with high AR levels compared to ERα levels.en_US
dc.language.isoengeng
dc.publisherImpact Journalseng
dc.rightsAttribution CC BYeng
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/eng
dc.subjectandrogen receptoreng
dc.subjectEndometrial cancereng
dc.subjectBiomarkereng
dc.subjectSurvivaleng
dc.titleAndrogen receptor as potential therapeutic target in metastatic endometrial canceren_US
dc.typePeer reviewed
dc.typeJournal article
dc.date.updated2017-05-09T07:31:08Z
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2016 The Author(s)
dc.identifier.doihttps://doi.org/10.18632/oncotarget.10334
dc.identifier.cristin1383126
dc.source.journalOncoTarget


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