國家衛生研究院 NHRI:Item 3990099045/7248
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    题名: E2F transcription factor 1 overexpression as a poor prognostic factor in patients with nasopharyngeal carcinomas
    作者: Li, CF;Chen, LT;Lin, CY;Huang, HY;Hsing, CH;Huang, CT;Shiue, YL
    贡献者: National Institute of Cancer Research
    摘要: Nasopharyngeal carcinoma (NPC) is an endemic head and neck epithelial malignancy in Southeastern Asia and Taiwan. The E2 factor (E2F) family of transcription factors is downstream targets of the retinoblastoma protein 1. The E2F family of transcription factors is the key regulator of genes involved in cell cycle progression, cell fate determination, DNA damage repair and apoptosis. E2F1 is unique in that it contributes both to the control of cellular proliferation and cellular death. However, the expression of E2F1 protein and its clinicopathological associations in patients with NPC are yet to be evaluated. Immunoexpression of E2F1 was retrospectively assessed in biopsies of 124 consecutive NPC patients without initial distant metastasis and treated with consistent guidelines. The outcomes were correlated with clinicopathological features and patient survivals. Results indicated that high E2F1 protein level (50%) was correlated with primary tumor (p < 0.001) and stage (p = 0.002; 7th American Joint Committee on Cancer). In multivariate analyses, high E2F1 expression emerged as an independent prognosticator for worse disease-specific survival (p = 0.003), distal metastasis-free survival (p = 0.003), and local recurrence-free survival (p = 0.039). In conclusion, high E2F1 protein level is common, associated with adverse prognosticators, and might confer tumor aggressiveness through tumor cell proliferation and metastasis.
    日期: 2013-05
    關聯: Biomarkers and Genomic Medicine. 2013 May;5(1-2):23-30.
    Link to: http://dx.doi.org/10.1016/j.gmbhs.2013.04.006
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84883762085
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