The trypsin inhibitor-like domain is required for a serine protease inhibitor of Haemonchus contortus to inhibit host coagulation

Author(s):  
Fei Wu ◽  
Hui Zhang ◽  
Jingru Zhou ◽  
Jie Wu ◽  
Danni Tong ◽  
...  
1996 ◽  
Vol 43 (3) ◽  
pp. 525-529 ◽  
Author(s):  
M Stankiewicz ◽  
B Rempoła ◽  
M Fikus

Expression of the gene coding for the recombinant trypsin inhibitor, CPTI II, was enhanced tenfold when yeast transcription terminating sequences were added to the expression cassette of the pJK6 yeast vector. The yield was further increased about 20% in the BJ5464 yeast strain, defective in vacuolar proteases.


2009 ◽  
Vol 5 (2) ◽  
pp. 110-116 ◽  
Author(s):  
Masaki Ohmuraya ◽  
Nobuyuki Ozaki ◽  
Masahiko Hirota ◽  
Hideo Baba ◽  
Ken-ichi Yamamura

1998 ◽  
Vol 336 (2) ◽  
pp. 283-285 ◽  
Author(s):  
Frederick A. OFOSU ◽  
John FREEDMAN ◽  
Lori DEWAR ◽  
Yinqi SONG ◽  
John W. FENTON

Protease-activated receptor-1 (PAR-1) is a G-protein-linked receptor on platelets and perivascular cells activated by α-thrombin and the PAR-1-activating peptide, SFLLRN. α-Thrombin activates PAR-1 by cleaving it at R41–S42 to release the 41-residue peptide TR(1–41). Unexpectedly, platelet activation with SFLLRN was also associated with PAR-1 cleavage and the release of TR(1–41). Both PAR-1 cleavage and platelet activation resulting from SFLLRN addition to platelets were markedly inhibited by the serine protease inhibitor 4,2-(aminoethyl)-benzene sulphonylfluoride·HCl (pefabloc SC) and soybean trypsin inhibitor, but not by inhibitors of calpain, cysteine proteases or metalloproteases. Thus, a trypsin-like platelet protease propagates SFLLRN-dependent PAR-1 cleavage and platelet activation.


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