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Effect of exercise on ribonuclease activity in rat skeletal muscle

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Summary

Distribution of ribonuclease activity (measured at pH 7.6) in subcellular fractions of homogenates of rat skeletal muscle was investigated in sedentary animals and after 8 weeks running program. Training increased ribonuclease activity (expressed as units of enzyme per g of muscle protein). There was no increase in nuclear fraction, but in both cytoplasmic and mitochondrial fractions the RNA-ase activity increased 42% and 45% respectively.

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Authors and Affiliations

  1. Laboratory of Bioenergetics, Academy of Physical Education, Gdańsk, Poland

    Anna Szczęsna-Kaczmarek & J. Piaskowski

  2. Department of Physiology, Academy of Physical Education, Katowice, Poland

    Anna Szczęsna-Kaczmarek & J. Piaskowski

Authors
  1. Anna Szczęsna-Kaczmarek
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  2. J. Piaskowski
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Additional information

Acknowledgments. I would like to thank Prof. L. Żelewski and Dr J. Popinigis for helpful suggestions.

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Szczęsna-Kaczmarek, A., Piaskowski, J. Effect of exercise on ribonuclease activity in rat skeletal muscle. Experientia 35, 163–164 (1979). https://doi.org/10.1007/BF01920588

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  • DOI: https://doi.org/10.1007/BF01920588

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