HER2/HR阳性乳腺癌治疗进展
Research Progress of HER2/HR-Positive Breast Cancer
DOI: 10.12677/ACM.2021.118562, PDF,    国家自然科学基金支持
作者: 杨 雪, 李 玲, 吴大鹏, 袁胜利*:青岛大学附属青岛市立医院,山东 青岛;刘根利:大连医科大学附属青岛大学附属青岛市立医院,山东 青岛
关键词: 乳腺癌HER2/HR阳性化疗抗HER-2药物激素治疗CDK4/6抑制剂Breast Cancer Triple-Positive Chemotherapy Anti-Her-2 Treatment Hormone Therapy CDK4/6 Inhibitors
摘要: 乳腺癌是一种异质性疾病,在HER-2阳性亚型中,由于存在大量的表型和临床异质性(主要与激素受体(HR)表达有关),这种现象得到了大量数据证明。众所周知,HER-2阳性通常与更具攻击性的肿瘤表型和降低的总生存率有关,而且与内分泌治疗的获益减少有关。临床前研究证实了HER-2和雌激素受体(ER)信号转导的功能性串扰在内分泌抵抗中的作用,同时,ER信号转导也成为对HER-2阻断剂耐药的可能机制。在HER-2阳性肿瘤中,HR状况定义了两种不同的亚型,临床行为不同,对抗癌药的敏感性也不同。三重阳性亚型,即ER/PgR/Her-2阳性肿瘤,可以被认为是最类似于HER-2阴性/HR阳性肿瘤的亚型,生物学和临床结局具有实质性差异。我们认为可以考虑在该亚组中降级治疗,即对小肿瘤,低肿瘤负荷,两种激素受体高表达的肿瘤多重靶向治疗的去化学治疗,本文回顾了有关HER-2/HR阳性肿瘤的生物学和临床数据的现有文献,试图更好地定义HER-2亚型并优化HER-2靶向药物,化学疗法,内分泌治疗和细胞周期抑制剂在各个肿瘤亚型中的应用。
Abstract: Breast cancer is a heterogeneous disease, which has been largely demonstrated in the HER-2 positive subtype due to a large number of phenotypes and clinical heterogeneity (mainly related to hormone receptor (HR) expression). It is well known that HER-2 positive is generally associated with a more aggressive tumor phenotype and reduced overall survival, and with reduced benefits from endocrine therapy. Preclinical studies have confirmed the role of functional cross-talking of HER-2 and estrogen receptor (ER) signal transduction in endocrine resistance, and ER signal transduction has also become a possible mechanism for resistance to HER-2 blockers. In HER-2 positive tumors, HR status may define two different subtypes with different clinical behaviors and different sensitivity to anticancer drugs. Triple positive subtypes, namely ER/PgR/HER-2 positive tumors, can be considered the subtypes most similar to HER-2 negative/HR positive tumors, with substantial differences in biological and clinical outcomes. We think that in some cases, whether can consider to use de-escalation therapy is taken into account in the subgroups, namely for small tumors, low tumor load, two kinds of hormone receptor targeted therapy of high expression of multiple tumor to chemotherapy. This paper reviewed about its HER-2/ER/PgR positive tumor biology and clinical data of the existing literature, in an attempt to better define its HER-2 subtypes and optimize its HER-2 targeted drugs, chemotherapy, endocrine therapy and CDK4/6 inhibitors in the application of different tumor subtypes.
文章引用:杨雪, 李玲, 刘根利, 吴大鹏, 袁胜利. HER2/HR阳性乳腺癌治疗进展[J]. 临床医学进展, 2021, 11(8): 3835-3847. https://doi.org/10.12677/ACM.2021.118562

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