ArticleACS pharmacology & translational science2025
Depleting Autoreactive B‑Cells Using Targeted Photodynamic Therapy.
Article in ACS pharmacology & translational science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Depleting Autoreactive B‑Cells Using Targeted Photodynamic Therapy.ACS pharmacology & translational science · 2025Article
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Authors and funding
4 authors.
Funding
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Abstract
In many autoimmune pathologies, including Rheumatoid Arthritis (RA), only a small percentage of the total B cell population is autoreactive and sustain disease. Yet, current immunotherapy treatments often eliminate the entire B-cell population, leading to immune deficiency. We developed an approach to selectively eliminate autoreactive B cells with targeted photodynamic therapy (tPDT). We designed a construct containing a dimeric peptidic antigen (diCCP4) that selectively binds a patient-derived autoreactive B cell receptor (BCR) and additionally included the photosensitizer IRDye700DX. We tested the construct on a modified Ramos B-cell line (Ramos 3F3), expressing this specific autoreactive BCR sequence. After brief exposure to 689 nm light, the photosensitizer selectively eliminates the modified Ramos cells, while the construct is not cytotoxic to cells lacking the autoreactive BCR. In a 3D coculture of the Ramos autoreactive B cell line with peripheral blood mononuclear cells (PBMCs) we observed only a minimal response of the untargeted cells. These results highlight the potential of tPDT against autoreactive B cells in autoimmune disease.
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