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

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

Volume 11, 2 Issues, 2015

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Current Enzyme Inhibition

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Claudiu T. Supuran
University of Florence, Neurofarba Department
Sesto Fiorentino (Firenze)

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

Current Enzyme Inhibition, 10(1): 53-57.

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

Affiliation: BioResearch Lab, Faculty of Biological Sciences, Shahid Beheshti University, G.C. Iran.


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).


Bacteria, Drug, Enzyme, Inhibition, Mouse liver.

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Article Details

Volume: 10
Issue Number: 1
First Page: 53
Last Page: 57
Page Count: 5
DOI: 10.2174/15734080113099990002

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