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The Ras Gene02:38

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The Ras-gene-encoded proteins are regulators of signaling pathways controlling cell proliferation, differentiation, or cell survival. The Ras-gene family in humans constitutes three primary members—the HRas, NRas, and KRas. These genes code for four functionally distinct yet closely related proteins—the HRas, NRas, KRas4A, and KRas4B. The involvement of mutant Ras genes in human cancer was first discovered in 1982 and is among the most common causes of human tumorigenesis.
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Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
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Next Generation Sequencing for the Detection of Actionable Mutations in Solid and Liquid Tumors
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GATA2 Mutations Predict Poor Prognosis in Transplanted Myeloid Neoplasms.

Xian Zhang1, Bingjie Wang1, Yujun Dong1

  • 1Department of Hematology, Peking University First Hospital, Beijing, China.

Cancer Medicine
|April 29, 2026
PubMed
Summary

Somatic GATA2 mutations, particularly non-zinc finger 1 (non-ZF1) mutations, are linked to poorer outcomes in myelodysplastic syndromes/acute myeloid leukemia patients undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT). These mutations are associated with higher relapse rates and reduced survival.

Keywords:
GATA2 non‐zinc finger 1 mutationallogeneic stem cell transplantationmyeloid malignancyprognosissomatic GATA2 mutations

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Area of Science:

  • Hematology
  • Oncology
  • Genetics

Background:

  • GATA binding protein 2 (GATA2) is vital for hematopoietic stem cell (HSC) function.
  • Somatic GATA2 mutations are implicated in myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML), but their prognostic impact post-allogeneic hematopoietic stem cell transplantation (allo-HSCT) is debated.

Purpose of the Study:

  • To investigate the prognostic significance of somatic GATA2 mutations in MDS/AML patients receiving allo-HSCT.
  • To compare outcomes between patients with GATA2 mutations and those with wild-type GATA2.

Main Methods:

  • Retrospective case-control study utilizing propensity score matching (PSM).
  • 14 patients with somatic GATA2 mutations were matched with 39 patients with wild-type GATA2.
  • Analysis of progression-free survival (PFS), overall survival (OS), and relapse rates.

Main Results:

  • Patients with GATA2 mutations exhibited higher WT1 mutation frequency and relapse rates.
  • GATA2 mutations were associated with significantly shorter PFS and OS, and post-transplant PFS.
  • Non-zinc finger 1 (non-ZF1) GATA2 mutations, but not zinc finger 1 (ZF1) mutations, significantly worsened PFS and OS.
  • Somatic GATA2 mutations and high WBC count were independent adverse prognostic factors for PFS.

Conclusions:

  • Somatic GATA2 mutations, especially non-ZF1 types, are associated with unfavorable prognosis in MDS/AML patients undergoing allo-HSCT.
  • These findings highlight the importance of GATA2 mutation status in predicting transplant outcomes.