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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1996-10-10
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pubmed:abstractText |
Expression of oestrogen receptor (ER), epidermal growth factor receptor (EGFR) and transforming growth factor-alpha (TGF alpha) proteins was assessed by immunocytochemistry on primary breast cancer specimens obtained before and following short-term (7-day) presurgical exposure to pure anti-oestrogen (7 alpha- [9- (4,4,5,5,5-pentafluoropentylsulphinyl) nonyl] estra-1,3,5, (10)-triene-3,17 beta-diol, ICI 182780) treatment and compared with no-treatment controls. Paired needle-core and mastectomy samples were obtained from 21 patients. Effects of ICI 182780 (10(-7)M) on MCF7 breast cancer cell ER, EGFR and TGF alpha expression were also examined over 14 days. ER protein was significantly suppressed by ICI 182780 in vivo (P = 0.009) and comparative analysis of short term ICI 182780 effects in vitro, using ER-positive MCF7 cells, gave largely equivalent results. EGFR and TGF alpha protein levels were unaltered by treatment. ICI 182780 suppresses ER without a concomitant rise in either EGFR or TGF alpha.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Estradiol,
http://linkedlifedata.com/resource/pubmed/chemical/Estrogen Antagonists,
http://linkedlifedata.com/resource/pubmed/chemical/Receptor, Epidermal Growth Factor,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Estrogen,
http://linkedlifedata.com/resource/pubmed/chemical/Transforming Growth Factor alpha,
http://linkedlifedata.com/resource/pubmed/chemical/fulvestrant
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
0959-8049
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
32A
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
413-6
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
pubmed-meshheading:8814683-Breast Neoplasms,
pubmed-meshheading:8814683-Estradiol,
pubmed-meshheading:8814683-Estrogen Antagonists,
pubmed-meshheading:8814683-Female,
pubmed-meshheading:8814683-Frozen Sections,
pubmed-meshheading:8814683-Humans,
pubmed-meshheading:8814683-Immunohistochemistry,
pubmed-meshheading:8814683-Postmenopause,
pubmed-meshheading:8814683-Receptor, Epidermal Growth Factor,
pubmed-meshheading:8814683-Receptors, Estrogen,
pubmed-meshheading:8814683-Transforming Growth Factor alpha,
pubmed-meshheading:8814683-Tumor Cells, Cultured
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pubmed:year |
1996
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pubmed:articleTitle |
Short-term effects of pure anti-oestrogen ICI 182780 treatment on oestrogen receptor, epidermal growth factor receptor and transforming growth factor-alpha protein expression in human breast cancer.
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pubmed:affiliation |
Tenovus Cancer Research Centre, Cardiff, UK.
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pubmed:publicationType |
Journal Article
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