The delayed effect of rotenone on the relative content of brain isatin-binding proteins of rats with experimental parkinsonism

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

1. Institute of Biomedical Chemistry, Moscow, Russia
2. Institute of Biomedical Chemistry, Moscow, Russia; Zakusov Institute of Pharmacology, Moscow, Russia
Section: Experimental Study
DOI: 10.18097/PBMC20247001025      PubMed Id: 38450678
Year: 2024  Volume: 70  Issue: 1  Pages: 25-32
Isatin (indoldione-2,3) is an endogenous biological regulator found in the brain, peripheral tissues, and biological fluids of humans and animals. Its biological activity is realized via isatin-binding proteins, many of which were identified during proteomic profiling of the brain of mice and rats. A number of these proteins are related to the development of neurodegenerative diseases. Previously, using a model of experimental Parkinsonism induced by a seven-day course of rotenone injections, we have observed behavioral disturbances, as well as changes in the profile and relative content of brain isatin-binding proteins. In this study, we have investigated behavioral responses and the relative content of brain isatin-binding proteins in rats with rotenone-induced Parkinsonism 5 days after the last administration of this neurotoxin. Despite the elimination of rotenone, animals exhibited motor and coordination impairments. Proteomic profiling of isatin-binding proteins revealed changes in the relative content of 120 proteins (the relative content of 83 proteins increased and that of 37 proteins decreased). Comparison of isatin-binding proteins characterized by the changes in the relative content observed in the brain right after the last injection of rotenone (n=16) and 5 days later (n=11) revealed only two common proteins (glyceraldehyde-3-phosphate dehydrogenase and subunit B of V-type proton ATPase). However, most of these proteins are associated with neurodegeneration, including Parkinson's and Alzheimer's diseases.
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Keywords: Parkinsonism, neurotoxin rotenone, neurodegeneration, isatin-binding proteins, neuroprotectors, isatin, brain, proteomic profiling
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Citation:

Buneeva, O. A., Kapitsa, I. G., Kazieva, L. Sh., Vavilov, N. E., Zgoda, V. G., Medvedev, A. E. (2024). The delayed effect of rotenone on the relative content of brain isatin-binding proteins of rats with experimental parkinsonism. Biomeditsinskaya Khimiya, 70(1), 25-32.
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