StressCovidV1, Main, Exploration, bibRecord, 000756

Antioxidant Potential of Antiviral Drug Umifenovir.

Identifieur interne : 000756 ( Main/Exploration ); précédent : 000755; suivant : 000757

Antioxidant Potential of Antiviral Drug Umifenovir.

Auteurs : Elena V. Proskurnina [Russie] ; Dmitry Yu Izmailov [Russie] ; Madina M. Sozarukova [Russie] ; Tatiana A. Zhuravleva [Russie] ; Irina A. Leneva [Russie] ; Artem A. Poromov [Russie]

Source :

Molecules (Basel, Switzerland) [ 1420-3049 ] ; 2020.

RBID : pubmed:32235534

Abstract

Free radical reactions play an important role in biological functions of living systems. The balance between oxidants and antioxidants is necessary for the normal homeostasis of cells and organisms. Experimental works demonstrate the role of oxidative stress that is caused by influenza virus as well as the toxic effects of some antiviral drugs. Therefore, antiviral drugs should be characterized by its pro- and antioxidant activity, because it can affect its therapeutic efficiency. The aim of the study was to quantify the antioxidant capacity and propose the mechanism of the antioxidant effect of the antiviral drug Umifenovir (Arbidol^®). The kinetic chemiluminescence with the 2,2'-azobis (2-amidinopropane) dihydrochloride + luminol system was used to quantify the antioxidant capacity of Umifenovir relative to the standard compound Trolox. With computer simulation, the reaction scheme and rate constants were proposed. The antioxidant capacity of 0.9 μM Umifenovir (maximum concentration of Umifenovir in blood after oral administration of 200 mg) was as high as 1.65 ± 0.18 μM of Trolox. Thus, the total antioxidant capacity of Umifenovir is comparable to the antioxidant capacity of Trolox. Unlike Trolox, Umifenovir reacts with free radicals in two stages. For Trolox, the free radical scavenging rate constant was k = 2000 nM^-1 min.^-1, for Umifenovir k₁ = 300 nM^-1min.^-1, k₂ = 4 nM^-1min.^-1. Slower kinetics of Umifenovir provides the prolonged antioxidant effect when compared to Trolox. This phenomenon can make a serious contribution to the compensation of oxidative stress that is caused by a viral disease and the therapeutic effect of the drug.

DOI: 10.3390/molecules25071577
PubMed: 32235534

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">Free radical reactions play an important role in biological functions of living systems. The balance between oxidants and antioxidants is necessary for the normal homeostasis of cells and organisms. Experimental works demonstrate the role of oxidative stress that is caused by influenza virus as well as the toxic effects of some antiviral drugs. Therefore, antiviral drugs should be characterized by its pro- and antioxidant activity, because it can affect its therapeutic efficiency. The aim of the study was to quantify the antioxidant capacity and propose the mechanism of the antioxidant effect of the antiviral drug Umifenovir (Arbidol<sup>®</sup>
). The kinetic chemiluminescence with the 2,2'-azobis (2-amidinopropane) dihydrochloride + luminol system was used to quantify the antioxidant capacity of Umifenovir relative to the standard compound Trolox. With computer simulation, the reaction scheme and rate constants were proposed. The antioxidant capacity of 0.9 μM Umifenovir (maximum concentration of Umifenovir in blood after oral administration of 200 mg) was as high as 1.65 ± 0.18 μM of Trolox. Thus, the total antioxidant capacity of Umifenovir is comparable to the antioxidant capacity of Trolox. Unlike Trolox, Umifenovir reacts with free radicals in two stages. For Trolox, the free radical scavenging rate constant was <i>k</i>
 = 2000 nM<sup>-1</sup>
 min.<sup>-1</sup>
, for Umifenovir <i>k</i>
<sub>1</sub>
 = 300 nM<sup>-1</sup>
min.<sup>-1</sup>
, <i>k</i>
<sub>2</sub>
 = 4 nM<sup>-1</sup>
min.<sup>-1</sup>
. Slower kinetics of Umifenovir provides the prolonged antioxidant effect when compared to Trolox. This phenomenon can make a serious contribution to the compensation of oxidative stress that is caused by a viral disease and the therapeutic effect of the drug.</div>
</front>
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Antioxidant Potential of Antiviral Drug Umifenovir.

Antioxidant Potential of Antiviral Drug Umifenovir.

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