Table 2.

Schistosome protease inhibitors.

Protease Inhibitor	Specie	Protease Inhibited	Location of Expression	References
SmSrpQ	Schistosoma mansoni	SmCE	Cercariae	[74]
SmPi56	Schistosoma mansoni	NE	Adult worms	[50,71,73]
ShSPI	Schistosoma haematobium	Thrombin	Surface of adult worms	[89,98]
SjB10	Schistosoma japonicum	Trypsin, chymotrypsin, pancreatic elastase	Cercariae, schistosomula, eggs, adult male worms	[97]
SjB6	Schistosoma japonicum	Trypsin	Eggs	[89]
SmKI-1	Schistosoma mansoni	Trypsin, chymotrypsin, NE	Adults, schistosomula, eggs	[67,71]
SjKI-1	Schistosoma japonicum	Trypsin, chymotrypsin, NE	Eggs, adult worms	[71]
SmSPI	Schistosoma mansoni	Chymotrypsin, PE, NE	Head gland of schistosomules, spines of adults	[57]