Gut microbiota–specific IgA <sup>+</sup> B cells traffic to the CNS in active multiple sclerosis
Anne‐Katrin Pröbstel, Xiaoyuan Zhou, Ryan Baumann, Sven Wischnewski, Michael Kutza, Olga L. Rojas, Katrin Sellrie, Antje Bischof, Kicheol Kim, Akshaya Ramesh, Ravi Dandekar, Ariele L. Greenfield, Ryan Schubert, Jordan E. Bisanz, Stephanie Vistnes, Khashayar Khaleghi, James Landefeld, Gina Kirkish, Friederike Liesche‐Starnecker, Valeria Ramaglia, Sneha Singh, Edwina B. Tran, Patrick Barba, Kelsey C. Zorn, Johanna Oechtering, Karin Forsberg, Lawrence R. Shiow, Roland G. Henry, Jennifer Graves, Bruce Cree, Stephen L. Hauser, Jens Kühle, Jeffrey M. Gelfand, Peter M. Andersen, Jürgen Schlegel, Peter J. Turnbaugh, Peter H. Seeberger, Jennifer L. Gommerman, Michael R. Wilson, Lucas Schirmer, Sergio E. Baranzini
Abstract
cells as a systemic mediator in MS and suggest a critical role of mucosal B cells during active neuroinflammation with broad implications for IgA as an informative biomarker and IgA-producing cells as an immune subset to harness for therapeutic interventions.