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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

A chymotryptic-type protease inhibitor decreases interleukin 2 synthesis and induces prostaglandin production in Jurkat T cells.

TPCK (N-alpha-p-tosyl-L-phenylalanine chloromethylketone), a potent inhibitor of chymotryptic-type serine proteases, was found to decrease IL2 synthesis in Jurkat T cells. Conversely, the tryptic-type protease inhibitor, TLCK (N-alpha-p-tosyl-lysine chloromethylketone), which structurally is very similar to TPCK, had no effect on IL2 synthesis. Prostaglandin synthesis, a process that is known to reduce IL2 production in T cells, was increased by TPCK but not by TLCK, suggesting that this process could be, at least in part, responsible for the inhibition of IL2 production. Our results imply that a chymotryptic-type serine protease plays an active role in the regulation of IL2 synthesis and thus in the whole process of T-lymphocyte activation.[1]

References

  1. A chymotryptic-type protease inhibitor decreases interleukin 2 synthesis and induces prostaglandin production in Jurkat T cells. Auberger, P., Didier, M., Didier, J., Aussel, C., Fehlmann, M. Cell. Signal. (1989) [Pubmed]
 
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