The combination of rapamycin and resveratrol blocks autophagy and induces apoptosis in breast cancer cells.

The combination of rapamycin and resveratrol blocks autophagy and induces apoptosis in breast cancer cells.
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DOI:
10.1002/jcb.24997
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发表时间:
2015-03
影响因子:
4
通讯作者:
Holz, Marina K.
Holz, Marina K.
中科院分区:
生物学2区
文献类型:
--
作者:
Alayev, Anya;Berger, Sara Malka;Kramer, Melissa Y.;Schwartz, Naomi S.;Holz, Marina K.

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Hyperactivation of the mechanistic target of rapamycin complex 1 (mTORC1) is a frequent event in breast cancer and current efforts are aimed at targeting the mTORC1 signaling pathway in combination with other targeted therapies. However, patients often develop drug resistance in part due to activation of the oncogenic Akt signaling and upregulation of autophagy, which protects cancer cells from apoptosis. In the present study we investigated the effects of combination therapy of rapamycin (an allosteric mTORC1 inhibitor) together with resveratrol (a phytoestrogen that inhibits autophagy). Our results show that combination of these drugs maintains inhibition of mTORC1 signaling, while preventing upregulation of Akt activation and autophagy, causing apoptosis. Additionally, this combination was effective in estrogen receptor positive and negative breast cancer cells, underscoring its versatility.
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