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December 8, 2025BloodOpen Access

Invariant patterns of global mutational signatures allow new fundamental insights in etiopathogenesis of bone marrow failure including aplastic anemia and myelodysplasia

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Authors

ADArda DurmazAMAashray MandalaEUEno-obong Udoh

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Overview

Analysis reveals distinct somatic mutations in aplastic anemia and myelodysplasia, suggesting novel genetic insights.

Key Points

  • To explore mutational signatures in bone marrow failure, specifically aplastic anemia and myelodysplasia.
  • Used whole-genome sequencing data to define somatic mutational signatures.
  • Filtered VCF files to exclude germline mutations based on specific criteria.
  • Applied SigProfilerExtractor and SigProfilerAssignment for mutational signature extraction.
  • Performed clustering statistics to identify patterns in mutational signatures.
  • Characterized distinct mutational signatures in aplastic anemia and myelodysplasia.
  • Identified specific chromosomal aberrations and enrichment of TP53 and DNMT3A mutations.
  • Found potential links between DNA damage and disease severity in bone marrow failure cases.

Cite This Study

Durmaz et al. (2025) studied this question.

synapsesocial.com/papers/69362f6c4fa91c937236dff7https://doi.org/10.1182/blood-2025-4985
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