What type of study is this?

This is a Animal Study study (also classified as: In Vitro Study).

What question did this study set out to answer?

This research aims to determine the effects of DNMT3A mutations in hematopoietic stem cells on T cell function and related outcomes.

December 8, 2025Blood

Dnmt3a-mutant hematopoietic stem cells generate alloreactive T cells with graft vs host disease and graft vs leukemia effects

View Full Paper

Ask AI

Bookmark

Authors

MEMark Engelken CHCyrielle Holuka QZQiong Zhang

Discussion

Member takes

Overview

Conditional knockin Dnmt3a mutations enhance GVHD and GVL activity in T cells of allogeneic transplant models, suggesting significant implications for transplanted patients.

Key Points

This research aims to determine the effects of DNMT3A mutations in hematopoietic stem cells on T cell function and related outcomes.
Utilized a conditional knockin murine model of Dnmt3aR878H/+ mutations.
Conducted immunophenotyping and flow cytometry analyses of T cell populations.
Used adoptive transfer to assess alloreactivity of naïve CD4+ T cells.
Evaluated GVL activity using an aggressive AML cell line in vivo.
Dnmt3aR878H/+ mice develop severe ulcerative dermatitis and exhibit increased CD4+ T cell populations.
Naïve CD4+ T cells from mutant mice show enhanced alloreactive responses and earlier GVHD onset.
In vitro, mutant T cells kill AML cells more effectively than wild-type cells, correlating with improved survival in vivo.

Cite This Study

Engelken et al. (2025) studied this question.

synapsesocial.com/papers/69362f604fa91c937236dcf5 https://doi.org/10.1182/blood-2025-7618

View Full Paper

Ask AI

Bookmark

December 8, 2025Blood

Dnmt3a-mutant hematopoietic stem cells generate alloreactive T cells with graft vs host disease and graft vs leukemia effects

View Full Paper

Ask AI

Bookmark

Authors

MEMark Engelken CHCyrielle Holuka QZQiong Zhang

Discussion

Member takes

Overview

Conditional knockin Dnmt3a mutations enhance GVHD and GVL activity in T cells of allogeneic transplant models, suggesting significant implications for transplanted patients.

Key Points

This research aims to determine the effects of DNMT3A mutations in hematopoietic stem cells on T cell function and related outcomes.
Utilized a conditional knockin murine model of Dnmt3aR878H/+ mutations.
Conducted immunophenotyping and flow cytometry analyses of T cell populations.
Used adoptive transfer to assess alloreactivity of naïve CD4+ T cells.
Evaluated GVL activity using an aggressive AML cell line in vivo.
Dnmt3aR878H/+ mice develop severe ulcerative dermatitis and exhibit increased CD4+ T cell populations.
Naïve CD4+ T cells from mutant mice show enhanced alloreactive responses and earlier GVHD onset.
In vitro, mutant T cells kill AML cells more effectively than wild-type cells, correlating with improved survival in vivo.

Cite This Study

Engelken et al. (2025) studied this question.

synapsesocial.com/papers/69362f604fa91c937236dcf5 https://doi.org/10.1182/blood-2025-7618

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

View Full Paper

Ask AI

Bookmark