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Changes in Total Cholesterol and Heart Rate in Normotensive and Hypertensive Rats under Combined Influence of Cold Exposure and Hypokinesia

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Bulletin of Experimental Biology and Medicine Aims and scope

We studied the effect of hypokinesia alone and in combination with cold exposure on HR and total cholesterol content in the blood serum of Wistar, WKY, and SHR rats. Irrespectively of the season, hypokinesia was associated with a decrease in HR, which is probably a result of reduced body needs due to deceleration of metabolic processes. A significant increase in total cholesterol was found under conditions of cold exposure combined with hypokinesia, which indicates qualitative structural rearrangement of energy metabolism under the influence of environmental factors. In winter, the increase in total cholesterol concentration was more pronounced (by 51.5%) in the group of hypertensive animals. Presumably, the increase in the serum concentration of total cholesterol under conditions of hypokinesia and cold exposure is a predictor of structural changes in the heart.

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Authors and Affiliations

  1. Institute of Physiology, Federal Research Center Komi Research Center, Ural Division of Russian Academy of Sciences, Syktyvkar, Komi Republic, Russia

    D. N. Shmakov, V. P. Nuzhny, N. A. Kibler & S. N. Kharin

Authors
  1. D. N. Shmakov
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  2. V. P. Nuzhny
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  3. N. A. Kibler
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  4. S. N. Kharin
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Correspondence to N. A. Kibler.

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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 169, No. 6, pp. 677-681, June, 2020

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Shmakov, D.N., Nuzhny, V.P., Kibler, N.A. et al. Changes in Total Cholesterol and Heart Rate in Normotensive and Hypertensive Rats under Combined Influence of Cold Exposure and Hypokinesia. Bull Exp Biol Med 169, 738–741 (2020). https://doi.org/10.1007/s10517-020-04968-6

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  • DOI: https://doi.org/10.1007/s10517-020-04968-6

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