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NEMP1 Promotes Tamoxifen Resistance in Breast Cancer Cells

机译:NEMP1促进乳腺癌细胞中的Tamoxifen抗性

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Breast cancer (BC) is a worldwide malignant and a leading death cancer in women. Studies have shown that adjuvant tamoxifen reduces the recurrence rate and metastasis in BC. Even though tamoxifen has been used for the therapy of BC for decades, the resistance of it on BC cells could not be ignored. In this study, we first established a tamoxifen-resistant BC cell line and then demonstrated the overexpression of nuclear envelope integral membrane protein 1 (NEMP1) in the tamoxifen-resistant BC cells. Moreover, through a cell viability assay combined with depletion or overexpression technology, we addressed the important role of NEMP1 for the tamoxifen resistance in BC cells. Importantly, we further revealed that NEMP1 modulated tamoxifen resistance by regulating nuclear receptor coactivator 1 (NCOA1). In general, NEMP1 shows responsibility for the resistance of tamoxifen through regulating NCOA1 in BC cells. These results broaden the understanding of the tamoxifen resistance during the chemotherapy in BC and may provide new therapy method for BC.
机译:乳腺癌(BC)是妇女的全球恶性和致病死亡癌症。研究表明,佐剂Tamoxifen降低了BC中的复发率和转移。尽管Tamoxifen已经用于BC的治疗数十年,但不能忽视其对BC细胞的阻力。在本研究中,我们首先建立了抗三种氧化BC细胞系,然后在三种氧化BC细胞中证明了核包膜整体膜蛋白1(NEMP1)的过表达。此外,通过细胞活力测定与耗尽或过度表达技术联合,我们解决了NEMP1在BC细胞中的Tamoxifen抗性的重要作用。重要的是,我们进一步揭示了通过调节核受体共觉器1(NCOA1)调节Tamoxifen抗性的NEMP1。通常,NEMP1通过在BC细胞中调节NCOA1来表示Tamoxifen的抵抗力的责任。这些结果拓宽了BC中化疗期间对他莫昔芬抗性的理解,可为BC提供新的疗法方法。

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