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Cyclosporine A Enhances the Efficacy of Venetoclax Against FLT3-ITD AML via the PI3K/AKT/mTOR Signaling Pathway

GSE282105 Homo sapiens Expression profiling by high throughput sequencing 6 samples Submitted 2025/06/06 Platform GPL16791
Summary
Acute myeloid leukemia (AML) with the Fms-like tyrosine kinase 3 internal tandem duplication (FLT3-ITD) mutation accounts for approximately 25-30% of cases and is associated with a poor prognosis, characterized by high relapse rates and significantly reduced overall survival. The use of single-agent venetoclax in FLT3-ITD AML has shown limited efficacy, with drug resistance frequently emerging. In this study, we demonstrate that cyclosporine A (CsA) sensitizes FLT3-ITD AML cells to venetoclax by inhibiting cell proliferation, promoting apoptosis, and disrupting mitochondrial function. Mechanistically, CsA enhances the anti-AML effects of venetoclax by inhibiting NFATC1 through the PI3K/AKT/mTOR signaling pathway. These findings offer promising new therapeutic strategies for managing refractory and relapsed AML, providing a basis for future combination therapies targeting FLT3-ITD mutations.
Published in
Ciclosporin A potentiates venetoclax efficacy in FLT3-ITD AML by targeting the NFATC1-AKT-mTOR-BCL-2/MCL-1 signaling axis
Luo Y, Fu Y, Kuang M et al. · British journal of haematology 2025 · PMID 40328636 · doi:10.1111/bjh.20137
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Also filed as BioProject PRJNA1187208 and SRA study SRP545682. Searching any of these in the dataset finder brings you back here.

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