What question did this study set out to answer?

To investigate how Stag2 influences Gata1 cistrome and chromatin remodeling during erythropoiesis.

December 8, 2025BloodOpen Access

Stag2 dependent chromatin remodeling enforces the erythroid-specific Gata1 cistrome

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Research reveals Stag2 disruption alters chromatin remodeling and Gata1 specificity, indicating implications for hematologic disease.

To investigate how Stag2 influences Gata1 cistrome and chromatin remodeling during erythropoiesis.
Profiled murine erythropoiesis using scATAC-seq and flow cytometry.
Conducted RNA-seq and GSEA of Stag2 mutant and wild-type erythroid progenitors.
Performed CUT&RUN for Gata1 occupancy in erythroid progenitors.
Stag2 disruption resulted in impaired erythroid fate specification and increased megakaryocytic output.
Gata1 binding showed altered lineage specificity, with reduced occupancy at erythroid targets and increased at megakaryocytic targets.
RNA-seq of STAG2 mutant MDS patients revealed reduced erythroid gene expression and dysregulation of lineage-specific Gata1 cistromes.

Sudunagunta et al. (2025) studied this question.

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December 8, 2025BloodOpen Access

View Full Paper

Ask AI

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Authors

Research reveals Stag2 disruption alters chromatin remodeling and Gata1 specificity, indicating implications for hematologic disease.

To investigate how Stag2 influences Gata1 cistrome and chromatin remodeling during erythropoiesis.
Profiled murine erythropoiesis using scATAC-seq and flow cytometry.
Conducted RNA-seq and GSEA of Stag2 mutant and wild-type erythroid progenitors.
Performed CUT&RUN for Gata1 occupancy in erythroid progenitors.
Stag2 disruption resulted in impaired erythroid fate specification and increased megakaryocytic output.
Gata1 binding showed altered lineage specificity, with reduced occupancy at erythroid targets and increased at megakaryocytic targets.
RNA-seq of STAG2 mutant MDS patients revealed reduced erythroid gene expression and dysregulation of lineage-specific Gata1 cistromes.

Sudunagunta et al. (2025) studied this question.

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