Literature DB >> 18304

A new method for peptidase activity measurement in serum and tissues, using L-Leu-L-Leu as substrate.

M Sugiura, Y Ito, K Hirano, M Sasaki, S Sawaki.   

Abstract

Peptidase-free L-amino-acid oxidase was purified from venom of Agkistrodon caliginosus and was used for the determination of serum peptidase (EC 3.4.1.-) activity with L-Leu-L-Leu as substrate. The peptidase activity in human serum rose remarkably in liver diseases, and had a significant correlation with serum transaminase activity. The peptidase activity in serum of rats treated with CCl4 was higher than that of normal rats. After Cellogel electrophoresis the zymogram of peptidase from human liver using di- or tripeptide as substrate appeared with three active bands; however, peptidase in serum of a patient with acute hepatitis showed only one active band.

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Year:  1977        PMID: 18304     DOI: 10.1016/0009-8981(77)90071-7

Source DB:  PubMed          Journal:  Clin Chim Acta        ISSN: 0009-8981            Impact factor:   3.786


  3 in total

1.  Understanding uncoupling in the multiredox centre P450 3A4-BMR model system.

Authors:  Danilo Degregorio; Sheila J Sadeghi; Giovanna Di Nardo; Gianfranco Gilardi; Sandro P Solinas
Journal:  J Biol Inorg Chem       Date:  2010-09-21       Impact factor: 3.358

2.  Enzymatic activity of metal-binding proteins in epidermal cells.

Authors:  Y Ito; K Fukuyama; N Horie; W L Epstein
Journal:  Mol Cell Biochem       Date:  1984       Impact factor: 3.396

3.  Human Cytochrome P450 3A4 as a Biocatalyst: Effects of the Engineered Linker in Modulation of Coupling Efficiency in 3A4-BMR Chimeras.

Authors:  Danilo Degregorio; Serena D'Avino; Silvia Castrignanò; Giovanna Di Nardo; Sheila J Sadeghi; Gianluca Catucci; Gianfranco Gilardi
Journal:  Front Pharmacol       Date:  2017-03-21       Impact factor: 5.810

  3 in total

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