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Potential prognostic value of heat-shock protein 90 in the presence of phosphatidylinositol-3-kinase overexpression or loss of PTEN, in invasive breast cancers
DC Field | Value | Language |
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dc.contributor.author | Song, Chang Hoon | - |
dc.contributor.author | Park, So Yeon | - |
dc.contributor.author | Eom, Keun-Yong | - |
dc.contributor.author | Kim, Jee Hyun | - |
dc.contributor.author | Kim, Jae Sung | - |
dc.contributor.author | Kim, In Ah | - |
dc.contributor.author | Kim, Sung-Won | - |
dc.date.accessioned | 2012-06-01T07:53:18Z | - |
dc.date.available | 2012-06-01T07:53:18Z | - |
dc.date.issued | 2010 | - |
dc.identifier.citation | BREAST CANCER RESEARCH; Vol.12 2; - | ko_KR |
dc.identifier.issn | 1465-5411 | - |
dc.identifier.uri | https://hdl.handle.net/10371/76722 | - |
dc.description.abstract | Introduction: Evaluating the expression of signaling molecule proteins from the mitogen-activated protein kinase (MAPK) pathway and the phosphatidylinositol-3-kinase (PI3K) pathway in invasive breast cancers may identify prognostic marker(s) associated with early relapse. Methods: Immunohistochemical analyses of phosphatase and tensin homologue deleted on chromosome 10 (PTEN), PI3K-p110a, phospho-AKT, phospho-p70S6 kinase, phospho-S6 ribosomal protein, phospho-RAF, phospho-p44/42 MAPK, and heat-shock protein 90 (HSP90) were performed on tumor samples from 212 patients with invasive breast cancer. Statistically significant relations between protein expression, clinicopathologic factors, and relapse-free survival (RFS) were analyzed. Results: Expression of HSP90 was associated with 5-year RFS, as well as T stage, N stage, histologic grade, estrogen receptor (ER) expression, human epidermal growth factor receptor 2 (HER2) expression, and the Ki-67 proliferation index. On multivariate analysis, coexpression of HSP90 and PI3K-p110a or expression of HSP90 along with PTEN loss demonstrated significantly worse RFS. In subgroup analyses, both exhibited strong prognostic significance in HER2-positive cases, but not in HER2-negative cases. Conclusions: The coexpression of HSP90 with PI3K-p110a or expression of HSP90 along with PTEN loss has a potential as a molecular prognostic marker to predict early relapse in patients with invasive breast cancers. | ko_KR |
dc.language.iso | en | ko_KR |
dc.publisher | BIOMED CENTRAL LTD | ko_KR |
dc.title | Potential prognostic value of heat-shock protein 90 in the presence of phosphatidylinositol-3-kinase overexpression or loss of PTEN, in invasive breast cancers | ko_KR |
dc.type | Article | ko_KR |
dc.contributor.AlternativeAuthor | 송창훈 | - |
dc.contributor.AlternativeAuthor | 박소연 | - |
dc.contributor.AlternativeAuthor | 엄근용 | - |
dc.contributor.AlternativeAuthor | 김지현 | - |
dc.contributor.AlternativeAuthor | 김성원 | - |
dc.contributor.AlternativeAuthor | 김재성 | - |
dc.contributor.AlternativeAuthor | 김인아 | - |
dc.identifier.doi | 10.1186/bcr2557 | - |
dc.citation.journaltitle | BREAST CANCER RESEARCH | - |
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dc.description.tc | 2 | - |
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