Cysteine depletion induces pancreatic tumor ferroptosis in mice

Ferroptosis is a form of cell death that results from the catastrophic accumulation of lipid reactive oxygen species (ROS). Oncogenic signaling elevates lipid ROS production in many tumor types and is counteracted by metabolites that are derived from the amino acid cysteine. In this work, we show th...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 2020-04, Vol.368 (6486), p.85-89
Hauptverfasser: Badgley, Michael A, Kremer, Daniel M, Maurer, H Carlo, DelGiorno, Kathleen E, Lee, Ho-Joon, Purohit, Vinee, Sagalovskiy, Irina R, Ma, Alice, Kapilian, Jonathan, Firl, Christina E M, Decker, Amanda R, Sastra, Steve A, Palermo, Carmine F, Andrade, Leonardo R, Sajjakulnukit, Peter, Zhang, Li, Tolstyka, Zachary P, Hirschhorn, Tal, Lamb, Candice, Liu, Tong, Gu, Wei, Seeley, E Scott, Stone, Everett, Georgiou, George, Manor, Uri, Iuga, Alina, Wahl, Geoffrey M, Stockwell, Brent R, Lyssiotis, Costas A, Olive, Kenneth P
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container_issue 6486
container_start_page 85
container_title Science (American Association for the Advancement of Science)
container_volume 368
creator Badgley, Michael A
Kremer, Daniel M
Maurer, H Carlo
DelGiorno, Kathleen E
Lee, Ho-Joon
Purohit, Vinee
Sagalovskiy, Irina R
Ma, Alice
Kapilian, Jonathan
Firl, Christina E M
Decker, Amanda R
Sastra, Steve A
Palermo, Carmine F
Andrade, Leonardo R
Sajjakulnukit, Peter
Zhang, Li
Tolstyka, Zachary P
Hirschhorn, Tal
Lamb, Candice
Liu, Tong
Gu, Wei
Seeley, E Scott
Stone, Everett
Georgiou, George
Manor, Uri
Iuga, Alina
Wahl, Geoffrey M
Stockwell, Brent R
Lyssiotis, Costas A
Olive, Kenneth P
description Ferroptosis is a form of cell death that results from the catastrophic accumulation of lipid reactive oxygen species (ROS). Oncogenic signaling elevates lipid ROS production in many tumor types and is counteracted by metabolites that are derived from the amino acid cysteine. In this work, we show that the import of oxidized cysteine (cystine) via system x is a critical dependency of pancreatic ductal adenocarcinoma (PDAC), which is a leading cause of cancer mortality. PDAC cells used cysteine to synthesize glutathione and coenzyme A, which, together, down-regulated ferroptosis. Studying genetically engineered mice, we found that the deletion of a system x subunit, , induced tumor-selective ferroptosis and inhibited PDAC growth. This was replicated through the administration of cyst(e)inase, a drug that depletes cysteine and cystine, demonstrating a translatable means to induce ferroptosis in PDAC.
doi_str_mv 10.1126/science.aaw9872
format Article
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R</au><au>Sajjakulnukit, Peter</au><au>Zhang, Li</au><au>Tolstyka, Zachary P</au><au>Hirschhorn, Tal</au><au>Lamb, Candice</au><au>Liu, Tong</au><au>Gu, Wei</au><au>Seeley, E Scott</au><au>Stone, Everett</au><au>Georgiou, George</au><au>Manor, Uri</au><au>Iuga, Alina</au><au>Wahl, Geoffrey M</au><au>Stockwell, Brent R</au><au>Lyssiotis, Costas A</au><au>Olive, Kenneth P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cysteine depletion induces pancreatic tumor ferroptosis in mice</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><addtitle>Science</addtitle><date>2020-04-03</date><risdate>2020</risdate><volume>368</volume><issue>6486</issue><spage>85</spage><epage>89</epage><pages>85-89</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><abstract>Ferroptosis is a form of cell death that results from the catastrophic accumulation of lipid reactive oxygen species (ROS). Oncogenic signaling elevates lipid ROS production in many tumor types and is counteracted by metabolites that are derived from the amino acid cysteine. In this work, we show that the import of oxidized cysteine (cystine) via system x is a critical dependency of pancreatic ductal adenocarcinoma (PDAC), which is a leading cause of cancer mortality. PDAC cells used cysteine to synthesize glutathione and coenzyme A, which, together, down-regulated ferroptosis. Studying genetically engineered mice, we found that the deletion of a system x subunit, , induced tumor-selective ferroptosis and inhibited PDAC growth. This was replicated through the administration of cyst(e)inase, a drug that depletes cysteine and cystine, demonstrating a translatable means to induce ferroptosis in PDAC.</abstract><cop>United States</cop><pub>The American Association for the Advancement of Science</pub><pmid>32241947</pmid><doi>10.1126/science.aaw9872</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-1480-2368</orcidid><orcidid>https://orcid.org/0000-0001-8093-5540</orcidid><orcidid>https://orcid.org/0000-0003-4195-9819</orcidid><orcidid>https://orcid.org/0000-0002-5749-8394</orcidid><orcidid>https://orcid.org/0000-0002-8823-3073</orcidid><orcidid>https://orcid.org/0000-0002-8556-7481</orcidid><orcidid>https://orcid.org/0000-0001-6224-0550</orcidid><orcidid>https://orcid.org/0000-0001-9319-3531</orcidid><orcidid>https://orcid.org/0000-0002-2745-696X</orcidid><orcidid>https://orcid.org/0000-0002-0703-7506</orcidid><orcidid>https://orcid.org/0000-0001-9309-6141</orcidid><orcidid>https://orcid.org/0000-0002-9107-6283</orcidid><orcidid>https://orcid.org/0000-0002-3532-3868</orcidid><orcidid>https://orcid.org/0000-0003-3658-2279</orcidid><orcidid>https://orcid.org/0000-0001-9969-7909</orcidid><orcidid>https://orcid.org/0000-0003-3684-2173</orcidid><orcidid>https://orcid.org/0000-0002-9802-1955</orcidid><orcidid>https://orcid.org/0000-0002-6204-2156</orcidid><orcidid>https://orcid.org/0000-0002-2193-6014</orcidid><orcidid>https://orcid.org/0000-0002-3392-8994</orcidid><orcidid>https://orcid.org/0000-0002-0004-5677</orcidid><orcidid>https://orcid.org/0000-0002-2351-8289</orcidid><orcidid>https://orcid.org/0000-0003-3616-5387</orcidid><oa>free_for_read</oa></addata></record>
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identifier ISSN: 0036-8075
ispartof Science (American Association for the Advancement of Science), 2020-04, Vol.368 (6486), p.85-89
issn 0036-8075
1095-9203
language eng
recordid cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_7681911
source American Association for the Advancement of Science; MEDLINE
subjects Adenocarcinoma
Amino acids
Animals
Apoptosis
Cancer
Carcinoma, Pancreatic Ductal - metabolism
Carcinoma, Pancreatic Ductal - pathology
Cationic Amino Acid Transporter 1 - genetics
Cell death
Cell Line, Tumor
Coenzyme A
Cystathionine gamma-Lyase - administration & dosage
Cystathionine gamma-Lyase - pharmacology
Cysteine
Cysteine - deficiency
Cystine
Cystine - metabolism
Depletion
Ferroptosis
Ferroptosis - drug effects
Ferroptosis - genetics
Gene Deletion
Genetic engineering
Glutathione
Humans
Imports
Intracellular levels
Lipids
Metabolites
Mice
Mice, Mutant Strains
Mortality
Oxygen
Pancreatic cancer
Pancreatic Neoplasms - metabolism
Pancreatic Neoplasms - pathology
Reactive oxygen species
Tumors
title Cysteine depletion induces pancreatic tumor ferroptosis in mice
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