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首页> 外文期刊>Anticancer Research: International Journal of Cancer Research and Treatment >Effects of Angiotensin, vasopressin and aldosterone on proliferation of mcf-7 cells and their sensitivity to Doxorubicin.
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Effects of Angiotensin, vasopressin and aldosterone on proliferation of mcf-7 cells and their sensitivity to Doxorubicin.

机译:血管紧张素,加压素和醛固酮对MCF-7细胞增殖及其对阿霉素敏感性的影响。

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摘要

Breast cancer is one of the leading causes of death among women and the renin-angiotensin system (RAS) has been associated with breast tumor growth and metastasis. Inhibition of the RAS limits such effects and several efforts have been made to develop new inexpensive strategies for breast cancer treatment. We herein provide additional evidence that breast cancer chemotherapy can be influenced by losartan and PD123319, antagonists of angiotensin receptors AT1 and AT2, respectively. Perhaps the most important result was that this occurred without interfering with the expression or activity of the multidrug resistance-associated protein, ABCC1, which is associated with defensive cellular mechanisms. Moreover, they increased intracellular doxorubicin accumulation, which could increase cytotoxicity.
机译:乳腺癌是女性死亡的主要原因之一,肾素-血管紧张素系统(RAS)与乳腺癌的生长和转移有关。 RAS的抑制限制了这种作用,并且已经做出了一些努力来开发用于乳腺癌治疗的新的廉价策略。本文我们提供了另外的证据,表明乳腺癌化疗会受到氯沙坦和PD123319(分别为血管紧张素受体AT1和AT2的拮抗剂)的影响。也许最重要的结果是,这发生在不干扰与耐药性细胞机制相关的多药耐药相关蛋白ABCC1的表达或活性的情况下。而且,它们增加了细胞内阿霉素的积累,这可能增加细胞毒性。

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