Genetic Predisposition to Myelodysplastic Syndrome in Clinical Practice

Kristen E Schratz1, Amy E DeZern2

  • 1Division of Pediatric Oncology, Johns Hopkins University School of Medicine, Bloomberg 11379, 1800 Orleans Street, Baltimore, MD 21287, USA; Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, 1650 Orleans Street, Baltimore, MD 21287, USA.

Insights

Inherited factors can cause myelodysplastic syndromes (MDS), a bone marrow failure disorder, in all age groups. Early diagnosis of genetic predisposition is crucial for managing MDS patients.

Area of Science:

  • Hematology
  • Genetics
  • Oncology

Background:

  • Myelodysplastic syndromes (MDS) are marrow failure disorders primarily affecting older adults, but also seen in pediatric and young adult populations.
  • There is growing awareness of inherited predispositions to MDS and other myeloid malignancies across all age groups.
  • Germline genetic causes of MDS can manifest as part of a known syndrome or as a sporadic condition.

Purpose of the Study:

  • To delineate the germline genetic causes of myelodysplastic syndromes.
  • To provide a diagnostic and management framework for patients with inherited MDS.
  • To emphasize the importance of identifying genetic predispositions in MDS.

Main Methods:

  • Review of existing literature on germline genetics and MDS.
  • Analysis of reported cases of inherited MDS.
  • Synthesis of diagnostic criteria and management strategies for germline MDS.

Main Results:

  • Identified specific germline mutations and genetic syndromes associated with MDS.
  • Highlighted the variability in presentation and inheritance patterns.
  • Emphasized the role of genetic testing in diagnosis.

Conclusions:

  • Germline genetic predisposition is an important factor in MDS etiology across all ages.
  • Timely diagnosis of inherited MDS is critical for appropriate patient management.
  • Further research into genetic causes and targeted therapies for MDS is warranted.

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