Distinct synovial fluid B-cell differentiation and activation profiles in rheumatoid arthritis
Wenqi Huang, Salim Ghannoum, Kittikorn Wangriatisak, Annelien Hooijsma, Maho Nakazawa, Lovisa Franzén, Stefan Petkov, Katerina Chatzidionysiou, Vivianne Malmström, Caroline Grönwall
The paper identifies distinct B-cell differentiation and activation profiles in RA synovial fluid, highlighting increased extrafollicular plasmablast differentiation in ACPA-positive RA.
bioRxiv · Sep 29, 2026 · PreprintImmunology