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p27 and Skp2 immuno...
p27 and Skp2 immunoreactivity and its clinical significance with endocrine and chemo-endocrine treatments in node-negative early breast cancer.
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Ravaioli, A (author)
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Monti, F (author)
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Regan, M M (author)
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Maffini, F (author)
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Mastropasqua, M G (author)
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Spataro, V (author)
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Castiglione-Gertsch, M (author)
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Panzini, I (author)
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Gianni, L (author)
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Goldhirsch, A (author)
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Coates, A (author)
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Price, K N (author)
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Gusterson, B A (author)
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Viale, G (author)
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- Hultborn, Ragnar, 1946 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences
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- Wallgren, Arne, 1940 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences
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(creator_code:org_t)
- Elsevier BV, 2008
- 2008
- English.
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In: Annals of oncology. - : Elsevier BV. - 1569-8041 .- 0923-7534. ; 19:4, s. 660-668
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Abstract
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- BACKGROUND: Low p27 and high Skp2 immunoreactivity are associated with a poor prognosis and other poor prognostic features including resistant phenotypes and antiestrogen drug resistance. We investigated these proteins in two International Breast Cancer Study Group trials studying node-negative early breast cancer. PATIENTS AND METHODS: Trial VIII compared chemotherapy followed by goserelin with either modality alone in premenopausal patients. Trial IX compared chemotherapy followed by tamoxifen with tamoxifen alone in postmenopausal patients. Central Pathology Office assessed p27 and Skp2 expression in the primary tumor by immunohistochemistry among 1631 (60%) trial patients. RESULTS: p27 and Skp2 were inversely related; 13% of tumors expressed low p27 and high Skp2. Low p27 and high Skp2 were associated with unfavorable prognostic factors including larger size and higher grade tumors, absence of estrogen receptor and progesterone receptor, human epidermal growth factor receptor 2 overexpression and high Ki-67 (each P < 0.05). Low p27 and high Skp2 were not associated with disease-free survival (P = 0.42 and P = 0.48, respectively). The relative effects of chemo-endocrine versus endocrine therapy were similar regardless of p27 or Skp2. CONCLUSIONS: We confirm the association of low p27 and high Skp2 with other poor prognostic features, but found no predictive or prognostic value, and therefore do not recommend routine determination of p27 and Skp2 for node-negative breast cancer.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- Adult
- Aged
- Antineoplastic Agents
- Hormonal
- therapeutic use
- Antineoplastic Combined Chemotherapy Protocols
- administration & dosage
- therapeutic use
- Breast Neoplasms
- chemistry
- drug therapy
- pathology
- Cyclophosphamide
- administration & dosage
- Disease-Free Survival
- Female
- Fluorouracil
- administration & dosage
- Goserelin
- administration & dosage
- Humans
- Immunohistochemistry
- Methotrexate
- administration & dosage
- Middle Aged
- Predictive Value of Tests
- Prognosis
- Proliferating Cell Nuclear Antigen
- analysis
- S-Phase Kinase-Associated Proteins
- analysis
- Tamoxifen
- administration & dosage
- Treatment Outcome
- Tumor Markers
- Biological
- analysis
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ravaioli, A
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Monti, F
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Regan, M M
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Maffini, F
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Mastropasqua, M ...
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Spataro, V
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show more...
-
Castiglione-Gert ...
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Panzini, I
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Gianni, L
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Goldhirsch, A
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Coates, A
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Price, K N
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Gusterson, B A
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Viale, G
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Hultborn, Ragnar ...
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Wallgren, Arne, ...
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Cancer and Oncol ...
- Articles in the publication
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Annals of oncolo ...
- By the university
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University of Gothenburg