Beamon set out on a journey, and 26 doctors, 37 procedures and more than 17 years later, a rheumatologist finally cracked the confounding code: She had immune disorder IgG4-related disease ...

Exploring the mechanism further, the authors attempted to mimic the exchange in vitro and observed exchange of IgG4—but not IgG1—in human serum, in the presence of erythrocytes or an ...

The US Food and Drug Administration (FDA) has approved the B-cell depleting agent inebilizumab-cdon (Uplizna, Amgen) for the treatment of immunoglobulin G4-related disease (IgG4-RD). This is the ...