Reactivity of Stress-Implementing System under Conditions of Light Regime Change in Experiment

IF 0.8 4区物理与天体物理 Q4 OPTICS

Optics and Spectroscopy Pub Date : 2024-04-01 DOI:10.1134/S0030400X23060206

O. V. Zlobina, S. S. Pahomiy, I. O. Bugaeva, A. N. Ivanov, A. O. Moskvina, E. M. Kostromina

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Abstract

Influence of light exposure duration (model 18 : 6) on hormonal indices of stress-implementing system in laboratory animals blood is studied. Activity of stress systems central link was evaluated based on data on concentration of adrenocorticotrophic hormone, melatonin and β-endorphin in blood serum, observed during enzyme immunoassay. Reaction of peripheric link of the stress-implementing system was evaluated in blood smears based on results of qualitative count of catecholamine granules in erythrocytes. It was established, that variations of hormonal indices of the stress systems for laboratory animals depend on trigger factor activity periods. With increase of the experiment duration to 21st days the most pronounced reduction of melatonin, β-endorphin and increase of adrenocorticotrophic hormone concentration, as well as sharp increase of catecholamines level are observed in the blood serum. These hormonal changes develop as a result of failure of compensation mechanisms of the stress-implementing systems in connection with melatonin rhythms disturbance, that indicates the gradual development of the general adaptation syndrome.

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实验中光照变化条件下应力实施系统的反应能力

研究了光照时间（模型 18:6）对实验动物血液中应激执行系统激素指数的影响。根据酶联免疫测定法观察到的血清中肾上腺皮质激素、褪黑激素和β-内啡肽的浓度数据，评估了应激系统中枢环节的活性。根据对红细胞中儿茶酚胺颗粒的定性计数结果，对血液涂片中压力实施系统外围环节的反应进行了评估。结果表明，实验动物应激系统激素指数的变化取决于触发因子的活动时间。随着实验时间延长至第 21 天，血清中的褪黑激素、β-内啡肽浓度明显下降，肾上腺皮质激素浓度上升，儿茶酚胺水平急剧上升。这些激素变化是压力执行系统与褪黑激素节律紊乱有关的补偿机制失灵的结果，表明一般适应综合症在逐渐发展。

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来源期刊

Optics and Spectroscopy 物理-光谱学

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

4.5 months

期刊介绍： Optics and Spectroscopy (Optika i spektroskopiya), founded in 1956, presents original and review papers in various fields of modern optics and spectroscopy in the entire wavelength range from radio waves to X-rays. Topics covered include problems of theoretical and experimental spectroscopy of atoms, molecules, and condensed state, lasers and the interaction of laser radiation with matter, physical and geometrical optics, holography, and physical principles of optical instrument making.