What does this research mean for the field?

Impaired BCMA signaling in multiple sclerosis patients disrupts the BAFF/APRIL axis, reducing regulatory IL-10 production and increasing inflammatory cytokine secretion by B cells. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This study investigates how BCMA signaling affects B cell regulation in multiple sclerosis.

July 30, 2026The Journal of Immunology

Reduced BCMA Signaling Disrupts the BAFF/APRIL Axis and Promotes Inflammatory Cytokine Production by B Cells in Multiple Sclerosis 2258573

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Authors

GKGaurav KumarOklahoma Medical Research Foundation RKRose KoOklahoma Medical Research Foundation KMKaylea MasseyOklahoma Medical Research Foundation

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Implication

Randomized trial explores the role of BAFF/APRIL signaling in B cell function in multiple sclerosis, indicating implications for treatment.

Key Points

This study investigates how BCMA signaling affects B cell regulation in multiple sclerosis.
Analyzed peripheral blood mononuclear cells from treatment-naïve relapsing-remitting MS patients and healthy controls by flow cytometry.
Measured serum levels of BAFF, APRIL, and neurofilament light chain using OLINK-PEA assays.
Assessed cytokine production in B cells following BAFF/APRIL stimulation with BCMA blockade.
During relapse, transitional B cells decreased, while class-switched memory B cells increased, linked to low serum BAFF and high neurofilament light chain.
Transitional B cells from MS patients exhibited reduced BCMA expression.
BAFF and APRIL stimulation enhanced IL-10 production via BCMA signaling and reduced IL-6 secretion, whereas BCMA blockade increased inflammatory cytokines.

Cite This Study

Kumar et al. (2026) studied this question.

synapsesocial.com/papers/6a6af50460e2b924d3ea090a https://doi.org/10.1093/jimmun/vkag141.601

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Implication

Randomized trial explores the role of BAFF/APRIL signaling in B cell function in multiple sclerosis, indicating implications for treatment.

Reduced BCMA Signaling Disrupts the BAFF/APRIL Axis and Promotes Inflammatory Cytokine Production by B Cells in Multiple Sclerosis 2258573

Discussion

Member takes

Implication

Key Points

Cite This Study

Reduced BCMA Signaling Disrupts the BAFF/APRIL Axis and Promotes Inflammatory Cytokine Production by B Cells in Multiple Sclerosis 2258573

Discussion

Member takes

Implication

Key Points

Cite This Study

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