What type of study is this?

This is a In Vitro Study study.

What question did this study set out to answer?

This research aims to explore arginine auxotrophy as a therapeutic target in Philadelphia-chromosome positive acute lymphoblastic leukemia (Ph+ ALL).

December 8, 2025BloodOpen Access

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Investigating arginine auxotrophy in acute lymphoblastic leukemia, highlighting therapeutic potential of asparaginase.

This research aims to explore arginine auxotrophy as a therapeutic target in Philadelphia-chromosome positive acute lymphoblastic leukemia (Ph+ ALL).
Derived molecular predictors of arginine auxotrophy from transcriptomic and genomic data of over 800 adult patients.
Conducted drug evaluation in Ph+ ALL cell lines, primary tumor models, and patient-derived xenografts.
Analyzed ASS1 expression and its correlation with metabolic states and treatment outcomes.
ASS1 expression varied significantly among B-ALL subtypes, correlating with arginine auxotrophy.
Pegargiminase induced apoptosis in ASS1-low Ph+ cell lines, confirming functional arginine auxotrophy.
Pre-clinical models showed that pegargiminase significantly reduced tumor burden and extended survival in Ph+ ALL.

Kesmez et al. (2025) studied this question.

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