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International Journal of Physiology and Pathophysiology
SJR: 0.106

ISSN Imprimer: 2155-014X
ISSN En ligne: 2155-0158

Archives: Volume 1, 2010 to Volume 9, 2018

International Journal of Physiology and Pathophysiology

DOI: 10.1615/IntJPhysPathophys.v5.i4.20
pages 291-297

Effect of Intermittent Hypoxia Trainings on the Functional State of Corticotropin releasing hormone- and β-Endorphin-Synthesizing Neurons of the Rat Paraventricular Nucleus of Hypothalamus

Yuriy M. Kolesnik
Zaporozhye State Medical University, Zaporizhzhia, Ukraine
Elisabeth V. Kadzharyan
Zaporozhye State Medical University, Zaporizhzhia, Ukraine
Andriy V. Abramov
Zaporizhzhya State Medical University, Zaporizhzhya, Ukraine


In experiments on rats, it has been shown that hypoxic training results in enhanced immunoreactivity to corticotropin releasing hormone (CRH) and β-endorphin and increased content of these neuropeptides in the paraventricular nucleus (PVN) of the hypothalamus. Whereby, the ratio of the area of the immunoreactive material and the CRH / β-endorphin level, and the coefficient of their content in the PVN did not change significantly compared with the control. Thus, the selected mode of hypoxic effects results in body adaptation, which is manifested as the balanced activity of stress-realizing and stress-limiting systems of rats' hypothalamus.

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