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- W4367049714 abstract "<div><p>Most cancer-related deaths are due to metastases. Systemic factors, such as lipid-enriched environments [as low-density lipoprotein (LDL)-cholesterol], favor breast cancer, including triple-negative breast cancer (TNBC) metastasis formation. Mitochondria metabolism impacts TNBC invasive behavior but its involvement in a lipid-enriched setting is undisclosed. Here we show that LDL increases lipid droplets, induces CD36 and augments TNBC cells migration and invasion <i>in vivo</i> and <i>in vitro</i>. LDL induces higher mitochondrial mass and network spread in migrating cells, in an actin remodeling-dependent manner, and transcriptomic and energetic analyses revealed that LDL renders TNBC cells dependent on fatty acids (FA) usage for mitochondrial respiration. Indeed, engagement on FA transport into the mitochondria is required for LDL-induced migration and mitochondrial remodeling. Mechanistically, LDL treatment leads to mitochondrial long-chain fatty acid accumulation and increased reactive oxygen species (ROS) production. Importantly, CD36 or ROS blockade abolished LDL-induced cell migration and mitochondria metabolic adaptations. Our data suggest that LDL induces TNBC cells migration by reprogramming mitochondrial metabolism, revealing a new vulnerability in metastatic breast cancer.</p>Significance:<p>LDL induces breast cancer cell migration that relies on CD36 for mitochondrial metabolism and network remodeling, providing an antimetastatic metabolic strategy.</p></div>" @default.
- W4367049714 created "2023-04-27" @default.
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- W4367049714 date "2023-04-26" @default.
- W4367049714 modified "2023-09-26" @default.
- W4367049714 title "Data from Mitochondrial Metabolism Drives Low-density Lipoprotein-induced Breast Cancer Cell Migration" @default.
- W4367049714 doi "https://doi.org/10.1158/2767-9764.c.6563219.v3" @default.
- W4367049714 hasPublicationYear "2023" @default.
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