Circadian rhythms in the incidence of apoptotic cells and number of clonogenic cells in intestinal crypts after radiation using normal and reversed light conditions.

@article{Ijiri1988CircadianRI,
  title={Circadian rhythms in the incidence of apoptotic cells and number of clonogenic cells in intestinal crypts after radiation using normal and reversed light conditions.},
  author={Kenichi Ijiri and Christopher S. Potten},
  journal={International journal of radiation biology and related studies in physics, chemistry, and medicine},
  year={1988},
  volume={53 5},
  pages={717-27}
}
Variations in the number of radiation-induced morphologically dead or dying cells (apoptotic cells) in the crypts in the small intestine of the mouse have been studied throughout a 24-h period under a normal light regimen (light on, 07.00-19.00 h; light off, 19.00-07.00 h). A clear circadian rhythm was displayed in the apoptotic incidence 3 or 6 h after irradiation for each gamma-ray dose studied (range 0.14-9.0 Gy). The most prominent circadian rhythm was obtained after 0.5 Gy. The peak time… CONTINUE READING

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