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Proteomic analysis of ferroptosis pathways reveals a role of CEPT1 in suppressing ferroptosis.
Liu, Xiaoguang; Chen, Zhen; Yan, Yuelong; Zandkarimi, Fereshteh; Nie, Litong; Li, Qidong; Horbath, Amber; Olszewski, Kellen; Kondiparthi, Lavanya; Mao, Chao; Lee, Hyemin; Zhuang, Li; Poyurovsky, Masha; Stockwell, Brent R; Chen, Junjie; Gan, Boyi.
Affiliation
  • Liu X; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Chen Z; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Yan Y; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Zandkarimi F; Department of Biological Sciences and Department of Chemistry, Columbia University, New York, NY 10027, USA.
  • Nie L; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Li Q; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Horbath A; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Olszewski K; Kadmon Corporation, LLC (A Sanofi Company), New York, NY, 10016, USA.
  • Kondiparthi L; Kadmon Corporation, LLC (A Sanofi Company), New York, NY, 10016, USA.
  • Mao C; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Lee H; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Zhuang L; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Poyurovsky M; Kadmon Corporation, LLC (A Sanofi Company), New York, NY, 10016, USA.
  • Stockwell BR; Department of Biological Sciences and Department of Chemistry, Columbia University, New York, NY 10027, USA.
  • Chen J; Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
  • Gan B; The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA.
Protein Cell ; 2024 Mar 02.
Article in En | MEDLINE | ID: mdl-38430542
ABSTRACT
Ferroptosis has been recognized as a unique cell death modality driven by excessive lipid peroxidation and unbalanced cellular metabolism. In this study, we established a protein interaction landscape for ferroptosis pathways through proteomic analyses, and identified choline/ethanolamine phosphotransferase 1 (CEPT1) as a lysophosphatidylcholine acyltransferase 3 (LPCAT3)-interacting protein that regulates LPCAT3 protein stability. In contrast to its known role in promoting phospholipid synthesis, we showed that CEPT1 suppresses ferroptosis potentially by interacting with phospholipases and breaking down certain pro-ferroptotic polyunsaturated fatty acid (PUFA)-containing phospholipids. Together, our study reveals a previously unrecognized role of CEPT1 in suppressing ferroptosis.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Protein Cell Journal subject: BIOQUIMICA Year: 2024 Document type: Article Affiliation country: Estados Unidos
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Protein Cell Journal subject: BIOQUIMICA Year: 2024 Document type: Article Affiliation country: Estados Unidos