Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.4.21.1 (chymotrypsin)
 10,938 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Trypsin (T) and chymotrypsin (CHT) activities in luminal contents of the ileum, caecum and sigmoideum were followed in conventional (6 animals), monoassociated (5) and germfree (5) rabbits by pH-stat automatic titration using p-toluenesulphonyl-L-arginine methylester and acetyl-L-tyrosine ethylester as substrates. In conventional rabbits with complete microbial flora an aborally increasing decline of both proteolytic activities of luminal contents was determined (ileum T 198.2 - CHT 100.0; signmoideum T 10m.2 - CHT 68.8 mrg/g of intestinal content). Monoassociated animals represent a group different from both germfree and conventional animals. Trypsin and chymotrypsin of intestinal contents were not significantly altered by the presence of megacaecum in germfree rabbits (ileum T 219.2 - CHT 160.2; sigmoideum T 208.8 - CHT 110.8 mug/g of intestinal content). Chymotrypsin in the intestinal contents appears more labile and more affected by microbial flora than trypsin.
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PMID:Trypsin and chymotrypsin activity of the intestinal content in germfree, monoassociated and conventional rabbits. 13 38