Marginal zone B (MZB) cells play pivotal roles in the innate immune system by linking innate and adaptive immunity through their capacity for antigen presentation and lymphocyte activation 1,2.

Antibody-mediated rejection (ABMR) remains the leading immunological cause of kidney allograft loss, yet its humoral origins are incompletely understood.

This single-center, retrospective study analyzed vaccine responses in patients who received post-Chimeric Antigen Receptor (CAR) T-cell therapy vaccination between 2018 and 2024. Vaccinations were ...