The development of mixed cryoglobulinemia in Capillaria hepatica-infected mice is associated with the capillaria antigen-induced selective proliferation of splenic B-1a cells in response to interleukin-5 stimulation.

Abstract excerpt

Chronic infection by pathogens such as hepatitis C virus induces monoclonal or oligoclonal proliferation of B cells, which produce IgM rheumatoid factor, leading to the development of mixed cryoglobulinemia (MC). Antigen-driven lymphoproliferation is essential to the onset of MC; however, the underlying mechanism is largely unknown. Herein, we show that type II MC is induced by Capillaria hepatica infection...

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