mTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation

Glutathione peroxidase 4 (GPX4) inhibits ferroptosis, but protein synthesis is inefficient and costly. Here, the authors reveal that cystine uptake promotes GPX4 synthesis by activating mTORC1 and show that cancer cells are sensitized to ferroptosis by mTORC1 inhibition.

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Autores principales: Yilei Zhang, Robert V. Swanda, Litong Nie, Xiaoguang Liu, Chao Wang, Hyemin Lee, Guang Lei, Chao Mao, Pranavi Koppula, Weijie Cheng, Jie Zhang, Zhenna Xiao, Li Zhuang, Bingliang Fang, Junjie Chen, Shu-Bing Qian, Boyi Gan
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Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/f3ac49c7fb974751a3e7aab804b7d325
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spelling oai:doaj.org-article:f3ac49c7fb974751a3e7aab804b7d3252021-12-02T13:35:00ZmTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation10.1038/s41467-021-21841-w2041-1723https://doaj.org/article/f3ac49c7fb974751a3e7aab804b7d3252021-03-01T00:00:00Zhttps://doi.org/10.1038/s41467-021-21841-whttps://doaj.org/toc/2041-1723Glutathione peroxidase 4 (GPX4) inhibits ferroptosis, but protein synthesis is inefficient and costly. Here, the authors reveal that cystine uptake promotes GPX4 synthesis by activating mTORC1 and show that cancer cells are sensitized to ferroptosis by mTORC1 inhibition.Yilei ZhangRobert V. SwandaLitong NieXiaoguang LiuChao WangHyemin LeeGuang LeiChao MaoPranavi KoppulaWeijie ChengJie ZhangZhenna XiaoLi ZhuangBingliang FangJunjie ChenShu-Bing QianBoyi GanNature PortfolioarticleScienceQENNature Communications, Vol 12, Iss 1, Pp 1-14 (2021)
institution DOAJ
collection DOAJ
language EN
topic Science
Q
spellingShingle Science
Q
Yilei Zhang
Robert V. Swanda
Litong Nie
Xiaoguang Liu
Chao Wang
Hyemin Lee
Guang Lei
Chao Mao
Pranavi Koppula
Weijie Cheng
Jie Zhang
Zhenna Xiao
Li Zhuang
Bingliang Fang
Junjie Chen
Shu-Bing Qian
Boyi Gan
mTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation
description Glutathione peroxidase 4 (GPX4) inhibits ferroptosis, but protein synthesis is inefficient and costly. Here, the authors reveal that cystine uptake promotes GPX4 synthesis by activating mTORC1 and show that cancer cells are sensitized to ferroptosis by mTORC1 inhibition.
format article
author Yilei Zhang
Robert V. Swanda
Litong Nie
Xiaoguang Liu
Chao Wang
Hyemin Lee
Guang Lei
Chao Mao
Pranavi Koppula
Weijie Cheng
Jie Zhang
Zhenna Xiao
Li Zhuang
Bingliang Fang
Junjie Chen
Shu-Bing Qian
Boyi Gan
author_facet Yilei Zhang
Robert V. Swanda
Litong Nie
Xiaoguang Liu
Chao Wang
Hyemin Lee
Guang Lei
Chao Mao
Pranavi Koppula
Weijie Cheng
Jie Zhang
Zhenna Xiao
Li Zhuang
Bingliang Fang
Junjie Chen
Shu-Bing Qian
Boyi Gan
author_sort Yilei Zhang
title mTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation
title_short mTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation
title_full mTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation
title_fullStr mTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation
title_full_unstemmed mTORC1 couples cyst(e)ine availability with GPX4 protein synthesis and ferroptosis regulation
title_sort mtorc1 couples cyst(e)ine availability with gpx4 protein synthesis and ferroptosis regulation
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/f3ac49c7fb974751a3e7aab804b7d325
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