Characteristics of behavioral reactions and the profile of brain isatin-binding proteins of rats with the rotenone-induced experimental parkinsonism

Kapitsa I.G.1, Kazieva L.Sh.2, Vavilov N.E.2, Zgoda V.G.2, Kopylov A.T.2, Medvedev A.E.2, Buneeva O.A.2

1. Institute of Biomedical Chemistry, Moscow, Russia; Zakusov Institute of Pharmacology, Moscow, Russia
2. Institute of Biomedical Chemistry, Moscow, Russia
Section: Experimental Study
DOI: 10.18097/PBMC20236901046      PubMed Id: 36857426
Year: 2023  Volume: 69  Issue: 1  Pages: 46-54
The neurotoxins rotenone and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (МPTP) are used for modeling Parkinson's disease in animals (PD). They induce the mitochondrial respiratory chain dysfunction, which leads to the dopaminergic (DA) neuron degeneration. The advantage of the rotenone model consists in ability of rotenone to cause neurodegeneration showing symptoms and molecular biological characteristics similar to those of PD. Isatin (indoldione-2,3) is an endogenous regulator found in tissues and biological fluids of humans and animals. It exhibits a broad range of biological activity mediated by numerous isatin-binding proteins. In this work we have investigated behavioral reactions and profiles of brain isatin-binding proteins of rats with Parkinson's syndrome (PS) in comparison with the corresponding parameters of MPTP-induced Parkinsonism in mice. Systemic injection of rotenone caused severe PS comparable with the effect of MPTP injection. It was accompanied by significant body weight loss, death, oligokinesia, muscular rigidity, and postural instability of animals. In spite of the same pathogenic basis of PS caused by rotenone and MPTP, the molecular mechanisms of their action differ. In the case of rotenone-induced PS, the pool of isatin-binding proteins common of the control rats and the rats with PS (146) significantly exceeded the pool of the common proteins of control mice and mice with PS induced by MPTP, whether right after neurotoxin injection (27), or (all the more) in a week after the MPTP injection (14). The comparison of isatin-binding proteins specific of the animals with MPTP-induced PS and with the rotenone-induced PS (as compared with the control animals) revealed total absence of proteins common of these two models of PD. It is to be noted that both neurotoxins particularly affected the proteins participating in the signal transmission and enzyme activity regulation. The changes of the profile of isatin-binding proteins in response to the injection of rotenone suggest that the neuroprotector isatin could also influence positively in the case of the rotenone model of PD.
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Keywords: parkinsonism, neurodegeneration, neurotoxin rotenone, neurotoxin MPTP, isatin, isatin-binding proteins, brain, proteomic profiling
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Kapitsa, I. G., Kazieva, L. Sh., Vavilov, N. E., Zgoda, V. G., Kopylov, A. T., Medvedev, A. E., Buneeva, O. A. (2023). Characteristics of behavioral reactions and the profile of brain isatin-binding proteins of rats with the rotenone-induced experimental parkinsonism. Biomeditsinskaya Khimiya, 69(1), 46-54.
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