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Oestrogen receptor ...
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Weiner, MariaLinköpings universitet,Onkologi,Avdelningen för läkemedelsforskning,Hälsouniversitetet
(författare)
Oestrogen receptor co-activator AIB1 is a marker of tamoxifen benefit in postmenopausal breast cancer
- Artikel/kapitelEngelska2013
Förlag, utgivningsår, omfång ...
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Oxford University Press,2013
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:liu-97241
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97241URI
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https://doi.org/10.1093/annonc/mdt159DOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:127185850URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Funding Agencies|Swedish Cancer Society|110504|Swedish Research Council|B0771901|
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Background The oestrogen receptor (ER) co-activator amplified in breast cancer 1 (AIB1) has been suggested as a treatment predictive and prognostic marker in breast cancer. Studies have however not been unanimous.Patients and methods AIB1 protein expression was analysed by immunohistochemistry on tissue micro-arrays with tumour samples from 910 postmenopausal women randomised to tamoxifen treatment or no adjuvant treatment. Associations between AIB1 expression, clinical outcome in the two arms and other clinicopathological variables were examined.Results In patients with ER-positive breast cancer expressing low tumour levels of AIB1 (<75%), we found no significant difference in recurrence-free survival (RFS) or breast cancer-specific survival (BCS) between tamoxifen treated and untreated patients. In patients with high AIB1 expression (>75%), there was a significant decrease in recurrence rate (HR 0.40, 95% CI 0.26–0.61, P < 0.001) and breast cancer mortality rate (HR 0.38, 95% CI 0.21–0.69, P = 0.0015) with tamoxifen treatment. In the untreated arm, we found high expression of AIB1 to be significantly associated with lower RFS (HR 1.74, 95% CI 1.20–2.53, P = 0.0038).Conclusion Our results suggest that high AIB1 is a predictive marker of good response to tamoxifen treatment in postmenopausal women and a prognostic marker of decreased RFS in systemically untreated patients.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Skoog, LKarolinska Institute, Sweden
(författare)
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Fornander, TKarolinska Institutet,Karolinska Institute, Sweden
(författare)
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Nordenskjöld, BoÖstergötlands Läns Landsting,Linköpings universitet,Onkologi,Hälsouniversitetet,Onkologiska kliniken US(Swepub:liu)bono64
(författare)
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Sgroi, D C.Massachusetts General Hospital, Boston, USA
(författare)
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Stål, OlleÖstergötlands Läns Landsting,Linköpings universitet,Onkologi,Hälsouniversitetet,Onkologiska kliniken US(Swepub:liu)ollst87
(författare)
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Linköpings universitetOnkologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Annals of Oncology: Oxford University Press24:8, s. 1994-19990923-75341569-8041
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