Quantitative changes of brain isatin-binding proteins of rats with the rotenone-induced experimental parkinsonism

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

1. Institute of Biomedical Chemistry, Moscow, Russia
2. Institute of Biomedical Chemistry, Moscow, Russia; Zakusov Institute of Pharmacology, Moscow, Russia
Section: Short Communication
DOI: 10.18097/PBMC20236903188      PubMed Id: 37384911
Year: 2023  Volume: 69  Issue: 3  Pages: 188-192
Isatin (indoldione-2,3) is an endogenous regulator found in humans and animals. It exhibits a broad range of biological activity mediated by numerous isatin-binding proteins. Isatin produces neuroprotective effects in several experimental models of diseases, including Parkinsonism induced by the neurotoxin MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine). Rotenone (a neurotoxin used to modeling Parkinson's disease in rodents) causes significant changes in the profile of isatin-binding proteins of rat brain. Comparative proteomic identification of brain proteins of control rats and the rats with the rotenone-induced Parkinsonian syndrome (PS) revealed significant quantitative changes of 86 proteins under the influence of rotenone. This neurotoxin mainly caused the increase of the quantity of proteins involved in signal transduction and regulation of enzyme activity (24), proteins involved in cytoskeleton formation and exocytosis (23), and enzymes involved in energy generation and carbohydrate metabolism (19). However, only 11 of these proteins referred to isatin-binding proteins; the content of eight of them increased while the content of three proteins decreased. This suggests that the dramatic change of the profile of isatin-binding proteins, found in the development of the rotenone-induced PS, comes from changes in the state of the pre-existing molecules of proteins, rather than altered expression of corresponding genes.
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Keywords: Parkinsonism, neurodegeneration, neurotoxin rotenone, brain, isatin, isatin-binding proteins, proteomic profiling
Supplementary materials:

Buneeva, O. A., Kapitsa, I. G., Kazieva, L. Sh., Vavilov, N. E., Zgoda, V. G. (2023). Quantitative changes of brain isatin-binding proteins of rats with the rotenone-induced experimental parkinsonism. Biomeditsinskaya Khimiya, 69(3), 188-192.
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