07 August 2018
Vol 11, Issue 542

About The Cover

Cover image expansion

Online Cover This week features a Research Article that measures the traction forces exerted by B cells after they spread over antigen-presenting surfaces. The study showed that B cells from patients with rheumatoid arthritis exerted greater traction forces than did B cells from healthy donors, which may play a role in their enhanced activation. The image shows a colored scanning electron micrograph of a B cell. [Image: CNRI/Science Source]