Myelodysplastic Neoplasms (MDS): Pathogenesis and Therapeutic Prospects.

Area of Science:

• Hematology
• Immunology
• Oncology

Background:

• Myelodysplastic neoplasms (MDS) are stem cell malignancies with diverse subtypes.
• MDS pathogenesis involves bone marrow microenvironment abnormalities and genetic mutations.

Purpose of the Study:

• To review MDS pathogenesis focusing on the bone marrow microenvironment and genetic factors.
• To synthesize evidence on gene mutations and emerging therapies for MDS.

Main Methods:

• Literature review of MDS pathogenesis.
• Synthesis of evidence on genetic abnormalities and immune responses in MDS.
• Evaluation of current and emerging MDS therapies.

Main Results:

• Abnormal bone marrow microenvironment drives aberrant immune responses and supports MDS progression.
• Recurrent genetic mutations contribute to MDS development and progression.
• An immunosuppressive milieu aids MDS blast immune evasion.

Conclusions:

• Aberrant innate immunity and genetic changes transform HSCs into MDS blasts.
• The immunosuppressive microenvironment promotes MDS progression, especially in higher-risk disease.
• Targeting multiple pathogenic nodes, including immune dysregulation, is crucial for novel MDS therapies.