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C-erbB2, p27 and G1...
C-erbB2, p27 and G1/S aberrations in human primary breast cancer
- Artikel/kapitelEngelska2003
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LIBRIS-ID:oai:lup.lub.lu.se:0eae8cb9-97e8-4c6c-8e71-0464a32b7d2c
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https://lup.lub.lu.se/record/305807URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
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Background: C-erbB2 is overexpressed in approximately one-fourth of human breast cancers. In spite of numerous reports suggesting a connection of c-erbB2 overexpression with cell cycle regulation through p27, D cyclins and c-myc. the relationship between c-erbB2 and proliferation through de-regulation of the pRb pathway in primaty breast cancer has not been fully clarified. Materials and Methods: For this purpose we compared the expression of c-erbB2 in a total of 10.5 primary breast tumours with a variety of cell cycle proteins and clinical parameters. Results: GerbB2 was strongly con-elated with down-regulation of p27 and overexpression of c-erbB2 was', as expected, associated with poor survival. However, there was no correlation with proliferation. There was, nevertheless, an association between c-erbB2 and proliferation in certain subtypes of breast cancer, as in oestrogen-receptor-positive e tumours, tumours with high cyclin D1 and in tumours with an overall linear pRb pathway, i.e. tumours with a preserved linearity between cyclin D1, pRb phosphorylation and proliferation. Conclusion: Our results suggest that c-erbB2 may have alternative functions in different subtypes of breast cancer, and further stress that c-erbB2, in addition to promoting proliferation, also functions through other mechanisms in breast cancer.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Perris, F
(författare)
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Nielsen, NH
(författare)
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Emdin, SO
(författare)
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Landberg, GöranLund University,Lunds universitet,Patologi, Malmö,Forskargrupper vid Lunds universitet,Pathology, Malmö,Lund University Research Groups(Swepub:lu)pat-gla
(författare)
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Patologi, MalmöForskargrupper vid Lunds universitet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Anticancer research23:3A, s. 2053-20611791-7530
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