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- W4377010636 abstract "Abstract Metabolic alterations, especially in the mitochondria, play important roles in several kinds of cancers, including acute myeloid leukemia (AML). However, AML‐specific molecular mechanisms that regulate mitochondrial dynamics remain elusive. Through the metabolite screening comparing CD34 + AML cells and healthy hematopoietic stem/progenitor cells, we identified enhanced lysophosphatidic acid (LPA) synthesis activity in AML. LPA is synthesized from glycerol‐3‐phosphate by glycerol‐3‐phosphate acyltransferases (GPATs), rate‐limiting enzymes of the LPA synthesis pathway. Among the four isozymes of GPATs, glycerol‐3‐phosphate acyltransferases, mitochondrial (GPAM) was highly expressed in AML cells, and the inhibition of LPA synthesis by silencing GPAM or FSG67 (a GPAM‐inhibitor) significantly impaired AML propagation through the induction of mitochondrial fission, resulting in the suppression of oxidative phosphorylation and the elevation of reactive oxygen species. Notably, inhibition of this metabolic synthesis pathway by FSG67 administration did not affect normal human hematopoiesis in vivo. Therefore, the GPAM‐mediated LPA synthesis pathway from G3P represents a critical metabolic mechanism that specifically regulates mitochondrial dynamics in human AML, and GPAM is a promising potential therapeutic target." @default.
- W4377010636 created "2023-05-19" @default.
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- W4377010636 date "2023-05-17" @default.
- W4377010636 modified "2023-10-14" @default.
- W4377010636 title "<scp>GPAM</scp> mediated lysophosphatidic acid synthesis regulates mitochondrial dynamics in acute myeloid leukemia" @default.
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- W4377010636 doi "https://doi.org/10.1111/cas.15835" @default.
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