摘要
背景:乳腺癌(BC)全球范围内女性中最频繁的恶性肿瘤,目前每年有大约有1.4百万的女性患者被确诊为乳腺癌。大约10-20%的乳腺癌是具有侵略性的三阴性乳腺癌(TNBC),三阴性乳腺癌的预后差,且患者不能受益于基于荷尔蒙或者HER2受体的靶向治疗。出于这个原因,寻找能够预测在TNBC治疗中的化疗法的有效性的指标是当务之急。方法和结果:这篇综述主要讲述BCL2蛋白作为在TNBC中的一种预后指标,以及其预测化疗敏感性的潜能。结论:BCL2蛋白表达是乳腺癌的一种积极预后因素。BCL2阳性(BCL2+)的患者具有更高的存活率,这已经通过与雌激素受体阳性(ER+)状态的关联性被解释了。然而BCL2+不仅仅是ER+的替代标志。更重要的是,BCL2蛋白表达也是TNBC子群的一种积极的预后标记。我们和其他研究者都发现低的BCL2表达与用辅助疗法和蒽环素类化疗新型辅助疗法治疗的TNBC患者的好的预后有关。另一方面,近期研究表明TNBC患者子群可能受益于经典的CMF(环磷酰胺,甲氨蝶呤,5-氟二氧嘧啶)佐剂治疗。考虑到TNBC的异质性,迫切需要找到和验证这些治疗方案的敏感的预测因子,从而应用于临床上。BCL2富集被发现于茎状间叶细胞的TNBC子群中。
关键词: 辅助化疗法,蒽环霉素,BCL2,新辅助化疗,预测因素,预后因素,三阴性乳腺癌
Current Drug Targets
Title:Triple Negative Breast Cancer - BCL2 in Prognosis and Prediction. Review
Volume: 15 Issue: 12
Author(s): Katerina Bouchalova, Gvantsa Kharaishvili, Jan Bouchal, Jana Vrbkova, Magdalena Megova and Alice Hlobilkova
Affiliation:
关键词: 辅助化疗法,蒽环霉素,BCL2,新辅助化疗,预测因素,预后因素,三阴性乳腺癌
摘要: Background: Breast cancer (BC), the most frequent malignancy in women worldwide, is currently diagnosed in about 1.4 million female patients annually. Approximately 10-20% of BC is represented by triple negative breast cancer (TNBC) which is aggressive, the prognosis is poor and patients cannot benefit from targeted treatment based on hormonal or HER2 receptors. For this reason, search for markers that can predict the efficacy of chemotherapy in TNBC is a priority. Methods and Results: This review focuses on BCL2 protein as a prognostic marker in TNBC and its potential as a predictor of sensitivity to chemotherapy. Conclusion: BCL2 protein expression is a positive prognostic factor in BC. Better survival of patients with BCL2 positivity (BCL2+) has been explained by the correlation with estrogen receptor positive (ER+) status. BCL2+ is however not simply a surrogate marker for ER+. Moreover, BCL2 protein expression is also a positive prognostic marker in the TNBC subgroup. We and others show, that low BCL2 expression was associated with good outcome of TNBC patients treated with both adjuvant and neoadjuvant anthracycline-based chemotherapy. On the other hand, recent studies have shown that a subset of TNBC patients may benefit from the classical adjuvant CMF (cyclophosphamide, methotrexate, 5-fluorouracil) regimen. Given the heterogeneity of TNBC there is an urgent need to find and validate the sensitivity predictors to these regimens making them usable in clinical practice. BCL2 enrichment has been described in the mesenchymal stem-like (MSL) TNBC subgroup.
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Bouchalova Katerina, Kharaishvili Gvantsa, Bouchal Jan, Vrbkova Jana, Megova Magdalena and Hlobilkova Alice, Triple Negative Breast Cancer - BCL2 in Prognosis and Prediction. Review, Current Drug Targets 2014; 15 (12) . https://dx.doi.org/10.2174/1389450115666141106151143
DOI https://dx.doi.org/10.2174/1389450115666141106151143 |
Print ISSN 1389-4501 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5592 |
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