ArticleThe Journal of experimental medicine2021
Constrained chromatin accessibility in PU.1-mutated agammaglobulinemia patients.
Article in The Journal of experimental medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed, 71 citations in OpenAlex.
- Review
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- Whole blood epigenomic and transcriptomic characterization identifies vulnerable molecular subtypes of chronic coronary disease.Nature communications · 2026Article
- Epigenetic programming by H3K23ac defines lineage fate of Meg3Nature cell biology · 2026Article
- Spi-1 proto-oncogene regulates mRNA hypertranscription and malignant progression in head and neck cancer.Signal transduction and targeted therapy · 2026Article
- A novel SPI1 variant (c.566T > C (p.Ile189Thr)) possibly associated with autosomal dominant agammaglobulinemia in a Chinese girl.BMC pediatrics · 2026Article
- Article
- USP7 sustains hematopoietic stem cell homeostasis partially via PU.1 stabilization.International journal of biological sciences · 2026Article
- Transcription factors that define the epigenome structures and transcriptomes in microglia.Experimental hematology · 2025Review
- Human genetic influences on early B cell development.Journal of human immunity · 2025Review
- The ETS-family transcription factor PU.1 is a critical regulator of the inhibitory Fcγ receptor IIB expression in humans.Journal of immunology (Baltimore, Md. : 1950) · 2025Article
- Functional genomics of trypanotolerant and trypanosusceptible cattle infected with Trypanosoma congolense across multiple time points and tissues.PLoS neglected tropical diseases · 2025Article
- Single-cell profiling of bone metastasis ecosystems from multiple cancer types reveals convergent and divergent mechanisms of bone colonization.Cell genomics · 2025Article
- SPI1 triggers the formation of neutrophil extracellular traps in multiple sclerosis through CXCL4.Journal of molecular histology · 2025Article
- One hundred thirty-four germ line PU.1 variants and the agammaglobulinemic patients carrying them.Blood · 2025Article
- Human immunity.Journal of human immunity · 2025Article
- Revisiting X-linked agammaglobulinemia.Journal of human immunity · 2025Review
- Curation of gene-disease relationships in primary antibody deficiencies using the ClinGen validation framework.The Journal of allergy and clinical immunology · 2025Article
- Case Report: A novelFrontiers in immunology · 2025Article
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Authors and funding
45 authors at 10 institutions in 2 countries.
Funding
Abstract
The pioneer transcription factor (TF) PU.1 controls hematopoietic cell fate by decompacting stem cell heterochromatin and allowing nonpioneer TFs to enter otherwise inaccessible genomic sites. PU.1 deficiency fatally arrests lymphopoiesis and myelopoiesis in mice, but human congenital PU.1 disorders have not previously been described. We studied six unrelated agammaglobulinemic patients, each harboring a heterozygous mutation (four de novo, two unphased) of SPI1, the gene encoding PU.1. Affected patients lacked circulating B cells and possessed few conventional dendritic cells. Introducing disease-similar SPI1 mutations into human hematopoietic stem and progenitor cells impaired early in vitro B cell and myeloid cell differentiation. Patient SPI1 mutations encoded destabilized PU.1 proteins unable to nuclear localize or bind target DNA. In PU.1-haploinsufficient pro-B cell lines, euchromatin was less accessible to nonpioneer TFs critical for B cell development, and gene expression patterns associated with the pro- to pre-B cell transition were undermined. Our findings molecularly describe a novel form of agammaglobulinemia and underscore PU.1's critical, dose-dependent role as a hematopoietic euchromatin gatekeeper.
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