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The action of x-rays on the motor function and the contractile proteins of motile cells

  • Biochemistry and Biophysics
  • Published:
Bulletin of Experimental Biology and Medicine Aims and scope

Summary

Experiments showed that there are no significant changes of the motor function in the seminal cells after x-ray irradiation of frogs (20, 000 r). This shows that disturbance of oxidative phosphorylation under the action of radiation is not a general biological regularity. The effect of ionizing radiation on the resynthesis of highenergy (ATP) differs in the cells of radiosensitive and radioresistant tissues; evidently it is primarily determined by the different localization of the corresponding enzyme systems therein.

There are no visible disturbances in the ability of “glycerol models” of myofibrils, the cilia of the ciliated epithelium and spermatozoa (obtained from the tissues of irradiated animals), to interact with ATP. This points to a rather low radiosensitivity of the contractile cellular proteins and explains the high radioresistance in some phases of cell division connected with the separation of the chromosomes and equatorial division of the cytoplasm.

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Ivanov, I.I., Gaitskhoki, V.S. & Korkhov, V.V. The action of x-rays on the motor function and the contractile proteins of motile cells. Bull Exp Biol Med 48, 1483–1486 (1959). https://doi.org/10.1007/BF00792740

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  • DOI: https://doi.org/10.1007/BF00792740

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