Reversal effects of Raloxifene on paclitaxel resistance in 2 MDR breast cancer cells

Reversal effects of Raloxifene on paclitaxel resistance in 2 MDR breast cancer cells
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雷洛昔芬对 2 种 MDR 乳腺癌细胞紫杉醇耐药的逆转作用

DOI:
10.1080/15384047.2015.1095409
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发表时间:
2015-11
影响因子:
3.6
通讯作者:
Fan Weimin
Fan Weimin
中科院分区:
医学3区
文献类型:
--
作者:
Xu Liang;Lei Jingyu;Jiang Donghai;Zhou Lin;Wang Shu;Fan Weimin

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盐酸雷洛昔芬(Raloxifene hydrochloride,RAL)是第二代选择性雌激素受体调节剂(selective estrogen receptor modulators,SERM),常用于预防骨质疏松症和乳腺癌。本研究评估雷洛昔芬是否可能使多药耐药(MDR)乳腺癌对化疗敏感,特别是在雌激素受体阴性(ER−)乳腺癌中。结果表明,RAL在体内外均能显著增敏ER- MDR乳腺肿瘤细胞对紫杉醇的敏感性。雷洛昔芬联合应用可显著增强紫杉醇诱导的MDR肿瘤细胞凋亡、G2-M期阻滞及细胞增殖抑制。进一步的研究表明,联合治疗不改变P-糖蛋白的表达,但增加P-gp ATP酶活性。这些结果表明,雷洛昔芬可能是一个有价值的化疗增敏剂治疗乳腺癌。
Raloxifene hydrochloride (RAL), one of second generation of selective estrogen receptor modulators (SERMs), is usually used in preventing osteoporosis and breast cancer. The present study evaluated whether Raloxifene might sensitize multidrug resistant (MDR) breast cancers to chemotherapies, especially in estrogen receptor negative (ER−) breast cancer. The results showed that RAL could significantly sensitize ER- MDR breast tumors to paclitaxel both in vitro and in vivo. Combination of Raloxifene could significantly enhance paclitaxel-induced cell apoptosis, G2-M arrest as well as inhibition of cell proliferation in MDR tumors. Further studies showed that the combined treatment did not alter P-glycoprotein expression but increased P-gp ATPase activity. These results suggested that raloxifene might be a valuable chemosensitizer agent for breast cancer therapy.
DOI: 10.1186/bcr303
发表时间: 2001
期刊: Breast cancer research : BCR
影响因子: --
作者:
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DOI: 10.1128/mcb.19.12.8469
发表时间: 1999-12
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DOI: --
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发表时间: 1996-11
影响因子: 6.4
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DOI: 10.1093/jnci/djk154
发表时间: 2007-05-02
期刊: JOURNAL OF THE NATIONAL CANCER INSTITUTE
影响因子: --
作者:
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