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August 19, 2025Open Access

MDS-associated SF3B1 mutations promote aberrant fate choice of hematopoietic stem cell via mis-splicing of mediator kinase module component CDK8

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Authors

EBElizabeth A. BonnerTHTun‐Yun HsuehASAxia Song

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Overview

Observational analysis reveals mis-splicing of CDK8 in SF3B1-mutant MDS, suggesting altered stem cell fate.

Key Points

  • Aberrant splicing of cdk8 due to sf3b1 mutations leads to a misalignment in hematopoietic stem cell fates, promoting dysplasia.
  • CDK8 mis-splicing correlates with expanded primitive hematopoietic stem and progenitor cells, suggesting critical regulatory roles.
  • The method applied involved analyzing primary human hematopoietic stem and progenitor cells to understand their fate changes.
  • These findings highlight potential therapeutic targets for MDS by linking cdk8 dysregulation and altered lineage commitment.

Cite This Study

Bonner et al. (2025) studied this question.

synapsesocial.com/papers/68af35d5cf1dd9ea359e9b11https://doi.org/10.1101/2025.08.14.670174
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