Abstract Number: 534 • 2019 ACR/ARP Annual Meeting
CXCL13 Serum Levels and Circulating Follicular Helper T-Cells Decrease After Co-stimulation Blockade with Abatacept in Rheumatoid Arthritis
Background/Purpose: CXCL13 chemokine, by interacting with CXCR5 receptor, attracts B-lymphocytes and CD4+CXCR5+ICOS+ follicular helper T-lymphocytes (THFs) in lymphoid follicles. In rheumatoid arthritis (RA) CXCL13 is…