ArticleNature communications2025
RIF1 integrates DNA repair and transcriptional requirements during the establishment of humoral immune responses.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Exploring the multifaceted Dbf4-dependent kinase from temporal, spatial, and substrate repertoire perspectives.Communications biology · 2026Review
- Deciphering the Pleiotropic Role ofCells · 2026Article
- Article
- Tubercidin enhances apoptosis in serum-starved and hypoxic mouse cardiomyocytes by inducing nuclear speckle condensation.BMC cardiovascular disorders · 2025Article
- RIF1 integrates DNA repair and transcriptional requirements during the establishment of humoral immune responses.Nature communications · 2025Article
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Authors and funding
9 authors.
Funding
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Abstract
The establishment of protective immune responses relies on the ability of terminally differentiated B cells to secrete a broad variety of antigen-specific antibodies with different effector functions. RIF1 is a multifunctional protein that promotes antibody isotype diversification via its DNA end protection activity during class switch recombination. In this study, we showed that RIF1 ablation resulted in increased plasmablast formation ex vivo and enhanced terminal differentiation into plasma cells upon immunization. Mechanistically, this phenotype is independent from RIF1's role in DNA repair and class switch recombination, and reflects its ability to modulate the transcriptional status of a subset of BLIMP1 target genes. Therefore, here we show that, in addition to promoting antibody diversification, RIF1 fine-tunes the kinetics of late B cell differentiation, thus providing an additional layer of control in the establishment of humoral immunity.
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