STUDIES ON THE MECHANISM OF ACTION OF IONIZING RADIATIONS

Author:

Barron E. S. Guzman1,Seki S. Louise1

Affiliation:

1. From the Division of Biological and Medical Research, Argonne National Laboratory, The Chemical Division, Department of Medicine, University of Chicago, Chicago, and the Marine Biological Laboratory, Woods Hole

Abstract

On x-irradiation of the eggs and sperm of Arbacia punctulata there was inhibition of respiration with relatively large doses, whereas there was an increase with small doses. The dose required to produce an increase of respiration depended on the degree of sensitivity of the cell to the effect of ionizing radiation. Sperm cells were more sensitive; then came fertilized eggs; unfertilized eggs were the least sensitive. The inhibiting effect of x-rays on cell division was observed even on irradiation with x-ray doses which produced an increase of respiration. These results are compared to similar effects produced by thiol reagents and are attributed to oxidation of the thiol compounds in the cell.

Publisher

Rockefeller University Press

Subject

Physiology

Cited by 24 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. LITE-1 mediates behavioral responses to X-rays in Caenorhabditis elegans;Frontiers in Neuroscience;2023-08-10

2. Tumor Cell Respiration Following Irradiation;Radiology;1978-02

3. Radiation Responses during the Mitotic Cycle of the Sea Urchin Egg;Developmental Aspects of the Cell Cycle;1971

4. Einflu� ionisierender Strahlen auf Geh�r-und Gleichgewichtsorgan;Archiv f�r klinische und experimentelle Ohren- Nasen- und Kehlkopfheilkunde;1969

5. Nuclear-Cytoplasmic Interaction with Ionizing Radiation;International Review of Cytology;1964

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