ACSL4: Biomarker, Mediator and Target in Quadruple Negative Breast Cancer



June 13, 2023

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  • Oncotarget published this trending review on June 12, 2023 in Volume 14, entitled, “ACSL4: biomarker, mediator and target in quadruple negative breast cancer" by Marie E. Monaco from the Department of Neuroscience and Physiology, NYU Grossman School of Medicine, New York, NY; VA NY Harbor Healthcare System, New York, NY. DOI - Correspondence to - Marie E. Monaco - Abstract Breast cancer is a heterogeneous disease for which effective treatment depends on correct categorization of its molecular subtype. For the last several decades this determination has relied on hormone receptor status for estrogen, progesterone and HER2. More recently, gene expression data have been generated that further stratify both receptor-positive and receptor-negative cancers. The fatty acid-activating enzyme, ACSL4, has been demonstrated to play a role in the malignant phenotype of a variety of cancers, including breast. This lipid metabolic enzyme is differentially expressed as a function of subtype in breast tumors, with highest expression observed in the mesenchymal (claudin low) and basal-like subtypes. Here we review data that support the potential of utilizing ACSL4 status as both a biomarker of molecular subtype and a predictor of response to a variety of targeted and non-targeted treatment regimens. Based on these findings, we suggest 3 expanded roles for ACSL4: 1. as a biomarker for classification of breast cancer subtypes; 2. as a predictor of sensitivity to hormone-based and certain other therapies; and 3. as a target for the development of new treatment modalities. Sign up for free Altmetric alerts about this article - Subscribe for free publication alerts from Oncotarget - Keywords - ACSL4, breast cancer, ferroptosis, molecular subtype, quadruple negative breast cancer About Oncotarget Oncotarget is a primarily oncology-focused, peer-reviewed, open access journal. Papers are published continuously within yearly volumes in their final and complete form, and then quickly released to Pubmed. On September 15, 2022, Oncotarget was accepted again for indexing by MEDLINE. Oncotarget is now indexed by Medline/PubMed and PMC/PubMed. To learn more about Oncotarget, please visit and connect with us: SoundCloud - Facebook - Twitter - Instagram - YouTube - LinkedIn - Pinterest - Reddit - Media Contact MEDIA@IMPACTJOURNALS.COM 18009220957

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