ArticleEMBO molecular medicine2026
The lipid transfer protein STARD7 controls intestinal tumor development in a context-dependent manner.
Article in EMBO molecular medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The role of phosphatidylcholine transporters such as Stard7 in intestinal cancer development is unknown. To explore this issue, we generated a mouse model lacking Stard7 in intestinal epithelial cells (IECs). Loss of Stard7 impaired mitochondrial Complex I activity, led to a severe metabolic and lipid reprogramming, enhanced mitochondrial ROS production and potentiated an mTORC1/ATF4 signature. As a result, levels of enzymes involved in serine biosynthesis were enhanced in Stard7-deficient IECs. We next assessed the consequences of Stard7 deficiency in both Wnt-dependent tumor initiation and in inflammation-driven tumor development. Strikingly, despite generating similar molecular signatures, Stard7 deficiency inhibited tumor development in Azoxymethane (AOM)/Dextran Sulfate Sodium (DSS)-treated mice but promoted Wnt-driven cancer initiation in the intestine. Apc
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