PMID: 6971850Apr 1, 1981Paper

Comparison between the radiosensitivity of human, mouse and chicken fibroblast-like cells using short-term endpoints

International Journal of Radiation Biology and Related Studies in Physics, Chemistry, and Medicine
C Diatloff-ZitoA Macieira-Coelho

Abstract

We have performed a comparative study of the radiosensitivity of fibroblastic cell lines from three different animal species: human, mouse and chicken. Endpoints reflecting short term responses were utilized: colony forming ability (CFA), DNA single strand break (SSB) repair and repair of potentially lethal damage (PLD). Regardless of the criterion employed, the response to radiation varies from one species to another. According to our survival curves, chicken cells appear to be more radioresistant than those of human and mouse. SSB repair is apparently absent in murine cells, partial in chicken cells and complete in human cells. This lack of correlation between survival curves and SSB repair demonstrates that survival of irradiated cells does not depend only (or at all) on the repair of SSB. The repair of PLD is much more efficient in human and chicken cells than in murine cells.

References

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Dec 1, 1961·Experimental Cell Research·L HAYFLICK, P S MOORHEAD

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