منابع مشابه
comparative assay of protease enzyme activity in protoscolices (hydatid cyst) and liver tissues
hydatidosis is a zoonosis disease caused by the larva of echinococcus granulosus parasite in man and animals. the proteases enzymes are necessary for nutrition, migration and evasion of immunity of parasite into host. the aim of this study was to determine the protease activity of hydatid cyst protoscolices (psc), healthy and cystic liver tissues in order to compare of this biomarker for host a...
متن کاملSigma's Non-specific Protease Activity Assay - Casein as a Substrate
Proteases break peptide bonds. In the lab, it is often necessary to measure and/or compare the activity of proteases. Sigma's non-specific protease activity assay may be used as a standardized procedure to determine the activity of proteases, which is what we do during our quality control procedures. In this assay, casein acts as a substrate. When the protease we are testing digests casein, the...
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We have recently described a biochemical detection method for peptide products of enzymatic reactions based on the formation of PDZ domain·peptide ligand complexes. The product sensor is based on using masked or cryptic PDZ domain peptide ligands as enzyme substrates. Upon enzymatic processing, a PDZ-binding motif is exposed, and the product sequence bound specifically by a Euchelate-labeled GS...
متن کاملChanges in ornithine decarboxylase activity in rat intestines during aging.
The ornithine decarboxylase (ODC) activity of rat intestines, liver, and brain was found to vary dramatically as animals develop and age. Unusually high activity was present in the small intestines of adult animals. The ODC activity of the small intestines approximated that of fetal tissues and of regenerating rat liver. Putrescine, spermine, and spermidine levels of fetal and adult animal tiss...
متن کاملGold nanoparticles-based protease assay.
We describe here a simple assay that allows the visual detection of a protease. The method takes advantage of the high molar absorptivity of the plasmon band of gold colloids and is based on the color change of their solution when treated with dithiols. We used C- and N-terminal cysteinyl derivatives of a peptide substrate exploiting its selective recognition and cleavage by a specific protease...
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ژورنال
عنوان ژورنال: BIO-PROTOCOL
سال: 2017
ISSN: 2331-8325
DOI: 10.21769/bioprotoc.2560