Evaluation of dasatinib and ponatinib for the control of CD123 CAR-T cell functionalities
Mantion CF., Biichlé S., Roussel X., Rolin G., Lejeune A., Labaigt T.
Laboratory Study, published in Mol Ther Oncol (2025) — summary generated from the PubMed abstract.
Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.
- Level A · Stronger Clinical Evidence
- Level B · Emerging clinical evidence with positive signals
- Level C · Early human research exploring benefits
- Level D · Scientific groundwork from lab and animal studies
- Emerging · Emerging topic under active research
This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.
- Study type
- Laboratory Study
- Journal
- Mol Ther Oncol (2025)
- Reported sample size
- —
- Source database
- Europe PMC
- PMID
- 41477551
- PMCID
- PMC12752794
- DOI
- 10.1016/j.omton.2025.201097
Abstract (original English)
CD123 CAR-T cells (CAR123) represent a promising therapeutic approach for blastic plasmacytoid dendritic cell neoplasm (BPDCN) and CD123 + acute myeloid leukemia (AML). However, the pro-inflammatory environment resulting from CAR-T cell activation can induce CD123 upregulation on endothelial cells and potential on-target/off-tumor toxicity. We evaluated the capacity of two tyrosine kinase inhibitors (TKIs), dasatinib and ponatinib, to reversibly inhibit CAR-T cell functions. Using different in vitro models of CAR123 co-culture with BPDCN and AML cell lines, we show that both TKIs reduce CAR123 activation phenotype (CD69 and CD25), tumor necrosis factor α (TNF-α) and interferon-γ (IFN-γ) secretion; degranulation (CD107a); and killing of leukemia cells. Moreover, this inhibition was reversible after elimination of the TKIs. However, only dasatinib was effective at clinically relevant concentrations; 50 nM inhibited TNF-α and IFN-γ secretion, with only a slight reduction in cytotoxicity toward leukemia cells and allowed effective control of CAR-T cell cytotoxicity against endothelial cells in relation to the inhibition of cytokine secretion. Thus, dasatinib could be used to minimize potential CAR123 toxicity toward endothelial cells without compromising its anti-leukemic effects. However, a higher dose could be used to completely inhibit CAR-T cell functionality in the event of to
What this study does not prove
- • This study does not prove SVF is an approved treatment or a replacement for standard care.
- • This is preclinical work; animal or laboratory results cannot be applied to humans.
Evidence level
Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.
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