the systemic secretion of a serine protease , rat mast-cell protease ii ( rmcpii ) , a major product of rat mucosal mast cells ( mmc ) , was measured by a sensitive enzyme-linked immunosorbent assay ( elisa ) in the sera of naive and primed rats challenged with the nematode n. brasiliensis .
C0036734
serine protease
C0147080
mast-cell protease ii