Immune cells called B cells make antibodies that fight off invading bacteria, viruses and other foreign substances. During ...

In the 13 th century, unusual skin lesions resembling wolf bites led to the term "lupus," meaning "wolf" in Latin. These symptoms also took the form of a butterfly across the face and to other parts ...

Immune cells called B cells make antibodies that fight off invading bacteria, viruses and other foreign substances. During their preparation for this battle, B cells transiently revert to a more ...

The illustration depicts how during differentiation cells normally lose their plasticity and ability to acquire new fates.