Table 1.

Serine proteinase of human mast cells and laboratory animals

Species	Serosal mast cells		Mucosal mast cells
	Tryptases	Chymases	Tryptases	Chymases
Human	Tryptase	Chymase	Tryptase	None
Mouse	mMCP-6, mMCP-7	mMCP-4, mMCP-5	None	mMCP-1, mMCP-2
Rat	rMCP-6, rMCP-7	rMCP-1, rMCP-5	None	rMCP-2, -3, -4, -8, -9, -10