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Current Enzyme Inhibition

Editor-in-Chief

ISSN (Print): 1573-4080
ISSN (Online): 1875-6662

Research Article

Comparing Inhibitory Effect of Tramadol on Catalase of Pseudomonas aeruginosa and Mouse Liver

Author(s): Dariush Minai-Tehrani, Imana S. Ashrafi, Mina K. Mohammadi, Zahra S. Damavandifar, Elmira R. Zonouz and Tahmineh E. Pirshahed

Volume 10, Issue 1, 2014

Page: [53 - 57] Pages: 5

DOI: 10.2174/15734080113099990002

Price: $65

Abstract

Tramadol is an analgesic drug that binds to specific opioid receptors. It may contribute to the inhibition of neuronal re-uptake of noradrenaline. Catalase is a key enzyme for degrading H2O2 in cells and has various isoforms with different structures and kinetics properties. In this research, the effect of tramadol on the activity of catalase of Pseudomonas and mouse liver was investigated and compared. Tramadol could inhibit Pseudomonas catalase with mixed inhibition while inhibiting mouse liver catalase in a non-competitive manner. The Ki and IC50 values were determined as 0.45 and 1.5 mM for Pseudomonas and 2.8 and 2.5 mM for mouse liver, respectively. SDS-PAGE of partially purified catalases determined different molecular weights for Pseudomonas (Mw 54 kDa) and mouse liver (61 kDa).

Keywords: Bacteria, Drug, Enzyme, Inhibition, Mouse liver.


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