What chemical signals, released by helper T cells, are necessary to fully activate a B cell to proceed with proliferation?

Answer

Cytokines

After a helper T cell binds to the processed antigen fragment presented by the B cell, it releases chemical signals called cytokines that fully activate the B cell.

What chemical signals, released by helper T cells, are necessary to fully activate a B cell to proceed with proliferation?
Productionimmunologyimmune systemantigenantibody