نتایج جستجو برای: trypsin
تعداد نتایج: 12993 فیلتر نتایج به سال:
Proteinase-activated receptor 2 (PAR-2) is a recently characterized G-protein coupled receptor that is cleaved and activated by pancreatic trypsin. Trypsin is usually considered a digestive enzyme in the intestinal lumen. We examined the hypothesis that trypsin, at concentrations normally present in the lumen of the small intestine, is also a signaling molecule that specifically regulates enter...
Trypsin is well known as a pancreatic enzyme that is typically secreted into the intestine to digest proteins. We show in our current study, however, that trypsin is also a key factor in the control of spermatogenesis. A progestin in teleost fish, 17alpha, 20beta-dihydroxy-4-pregnen-3-one (DHP), is an essential component of the spermatogenesis pathway, particularly during the initiation of the ...
OBJECTIVES Seeds are excellent sources of proteinase inhibitors, some of which may have satietogenic and slimming actions. We evaluated the effect of a trypsin inhibitor from Tamarindus indica L. seeds on weight gain, food consumption and cholecystokinin levels in Wistar rats. METHODS A trypsin inhibitor from Tamarindus was isolated using ammonium sulfate (30-60%) following precipitation with...
A solution of crystalline trypsinogen in dilute buffer containing a trace of active trypsin when allowed to stand at pH 5.0-9.0 and 5 degrees C. is gradually transformed partly into trypsin protein and partly into an inert protein which can no longer be changed into trypsin either by enterokinase or mold kinase. During the process of formation of trypsin and inert protein the ratio of the conce...
Basic pancreatic trypsin inhibitor with disulfide bond 14-38 reduced by borohydride was reacted with sulfhydryl group reagents. The reduced inhibitor and the dithiobis (Z-nitrobenzoic acid) derivatives retained inhibitory activity toward both trypsin and cr-chymotrypsin. The carboxamidomethyl and aminoethyl derivatives were active toward trypsin but inactive with cu-chymotrypsin. The p-mercurib...
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