the translation product of murine trf/il-5 cdna triggers resting as well as activated ( dnp-primed or lps-stimulated ) murine b cells for terminal differentiation into ig-secreting cells ( igm , igg1 , or iga ) accompanied by increased mrna expression for secreted forms of relevant ig heavy chain ( mu , gamma , or alpha ) .
C0021027
ig
C0021034
ig heavy chain