Ukr.Biochem.J. 2020; Volume 92, Issue 2, Mar-Apr, pp. 45-58
doi: https://doi.org/10.15407/ubj92.02.045
The effect of N-stearoylethanolamine on the lipid composition of the rat testes and testosterone level during the early stages of streptozotocin-іnduced diabetes
O. V. Onopchenko*, T. M. Horid’ko, H. V. Kosiakova,
A. G. Berdyshev, V. M. Klimashevsky, N. M. Hula
Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, Kyiv;
*e-mail: onop.89.av@gmail.com
Received: 23 December 2019; Accepted: 27 March 2020
Diabetes is a metabolic disorder with multiorgan complications, including reproductive system dysfunction where lipid imbalance of germ cells play an important role. N-stearoylethanolamine (NSE) shows a modulatory effect on the lipid composition under different pathologies. Therefore, the aim of our study was to investigate the NSE effect on the testes lipid composition and testosterone level in plasma of diabetic rats. Diabetes was induced in Sprague-Dawley rats by a single streptozotocin injection (50 mg/kg). Animals with glucose levels of 8-12 mmol/l were further selected. NSE was administrated to rats (50 mg/kg) for 10 days at 1.5 months after the streptozotocin injection. The rat testes were used for lipid analysis, namely, phospholipid level, fatty acid methyl esters and plasma testosterone estimation. NSE administration to diabetic rats triggered normalization of total and individual phospholipid content, as well as composition of free and phospholipids fatty acids in the rat testes. In addition, the testosterone content showed a slight increase under the action of NSE. Our results showed that the early stages of diabetes caused destructive changes in rat testes that may induce a decrease in future testicular function. NSE administration to diabetic rats normalized the lipid content of rat testes and was correlated with an increased testosterone level. NSE induced the restoration of testes structure and function during the early stages of streptozotocin-іnduced diabetes in rats.
Keywords: diabetes mellitus, fatty acids, N-stearoylethanolamine, phospholipids, streptozotocin-induced, testes, testosterone
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