Cite: KoshevoyV. I., Syniahovska K. A., Naumenko S. V., Radzykhovskyi M. L. Patohenetychne znachennia oksydatyvnoho stresu za hiperplazii peredmikhurovoi zalozy u psiv. [Pathogenetic significance of oxidative stress in canine prostatic hyperplasia]. Veterynarna biotekhnolohiia – Veterinary biotechnology, 46, 83-96. https://doi.org/10.31073/vet_biotech46-06 [in Ukrainian].
Koshevoy V. I. 1, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
SyniahovskaK. A. 1, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Naumenko S.V. 1, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Radzykhovskyi M. L. 2, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
1 State Biotechnological University
2 National University of Life Resources and Environmental Sciences of Ukraine
PATHOGENETIC SIGNIFICANCE OF OXIDATIVE STRESS IN CANINE PROSTATIC HYPERPLASIA
Introduction. Canine prostatic hyperplasia is a common disease, mainly in older males, which is registered in animals regardless of breed, fatness and other factors. The pathogenesis of this disease in dogs is not well studied. One of its components – hormonal changes, has been studied in more depth, as a result of which it is known that the development of prostatic hyperplasia occurs due to impaired androgenesis, changes in the testosterone-estradiol ratio. On the contrary, data on the redox balance in prostate tissue during hyperplastic changes are scarce.
The purpose of the work was to summarize and analyze data regarding the pathogenetic role of oxidative stress in prostatic hyperplasia in male dogs.
Research materials and methods. The study was carried out using methods of searching, processing, analyzing and summarizing data from professional scientific literature on the etiology, pathogenesis, pathophysiology and pathomorphology of prostate hyperplasia in dogs. Scientific articles from the international scientometric databases Scopus, Pubmed and Google Scholar published in 2000-2025 were used for the study.
Research results and their discussion. It has been established that in dogs with benign prostatic hyperplasia there is an increase in the intensity of lipoperoxidation processes under the influence of endogenous factors, which leads to oxidative stress, which results in a deficiency of antioxidants. Disturbances of redox processes play an important role in the mechanisms of development of prostatic hyperplasia in dogs and require correction.
Conclusions and prospects for further research. Prostatic hyperplasia in dogs is a common disease with a complex pathogenesis with interrelated changes in two systems – hormonally mediated mechanisms focused on changes in dihydrotestosterone levels, age-related increases in estrogen levels, and the action of prolactin; and imbalance in the prooxidant-antioxidant system caused by the accumulation of oxygen radicals that cause oxidative stress and a decrease in the protective activity of the antioxidant system. The perspective of further research a development of new anti-inflammatory agents for the treatment of prostate hyperplasia in dogs using nanostructured materials – nanoparticles of noble metals and rare earth elements.
Keywords: dogs, prostate, pathology, oxidative stress.
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