December 8, 2025Blood

Polyclonal somatic gene rescue via uniparental disomy confers multilineage hematopoietic potential in treatment-independent patients with DBA syndrome

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Analysis shows uniparental disomy enhances erythropoiesis in patients with Diamond-Blackfan anemia, suggesting somatic gene rescue potential.

Uniparental disomy presence supports multilineage hematopoietic recovery in Diamond-Blackfan anemia patients, improving treatment independence.
Notably, among treated patients, scDNA-seq revealed multiple UPD clones significantly contributing to erythropoiesis.
The systematic evaluation of cohorts utilized whole exome sequencing and single-cell DNA sequencing for in-depth analysis.
Significant implications for understanding ribosomal protein mutations and therapy alternatives in Diamond-Blackfan anemia disorders.

Kanezaki et al. (2025) studied this question.

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Analysis shows uniparental disomy enhances erythropoiesis in patients with Diamond-Blackfan anemia, suggesting somatic gene rescue potential.