What question did this study set out to answer?

To assess the correlation between megakaryocytic repopulating ability and measurable residual disease in AML patients.

December 8, 2025BloodOpen Access

Maturing progenitor-like immunophenotypic cluster and megakaryocytic repopulating ability predict measurable residual disease in Acute Myeloid Leukemia

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Authors

AWAmy WuBellevue College JBJohn R. BasileUniversity of Maryland, Baltimore ATAlexandra ThalbergUniversity of Minnesota

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Implication

Analysis shows megakaryocytic repopulating ability predicts MRD response in younger patients with AML, suggesting chemotherapy effects vary by cell type.

Key Points

To assess the correlation between megakaryocytic repopulating ability and measurable residual disease in AML patients.
Evaluated 125 AML cases for post-induction megakaryocyte repopulating capacity.
Scored megakaryocytes in bone marrow using a grading system from 0 to 4.
Utilized flow cytometry for differentiation algorithms of AML cases.
Conducted statistical analyses including logistic regression in SAS.
Observed superior complete remission in maturing-like vs HPC-like AML subtypes (p=0.06).
Statistically significant CR+CRi observed specifically in younger patients (p=0.01).
Positive correlation of MRD with LDH (r=0.31, p=0.0034) and CD34 expression (r=0.26, p=0.02).
Higher megakaryocytic ability linked to lower MRD (HR=-5.8, p=0.01) even when controlling for age and ELN22 risk.

Cite This Study

Wu et al. (2025) studied this question.

synapsesocial.com/papers/69362f444fa91c937236d5c6 https://doi.org/10.1182/blood-2025-7049

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Implication

Analysis shows megakaryocytic repopulating ability predicts MRD response in younger patients with AML, suggesting chemotherapy effects vary by cell type.

Maturing progenitor-like immunophenotypic cluster and megakaryocytic repopulating ability predict measurable residual disease in Acute Myeloid Leukemia

Discussion

Member takes

Implication

Key Points

Cite This Study

Maturing progenitor-like immunophenotypic cluster and megakaryocytic repopulating ability predict measurable residual disease in Acute Myeloid Leukemia

Discussion

Member takes

Implication

Key Points

Cite This Study

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