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Bone-marrow Mitotic Inhibition induced by Local Splenic X-irradiation

Abstract

AN increasing number of clinical and experimental observations suggests that the spleen releases after irradiation an inhibitor of mitosis acting on remote organs and particularly on bone-marrow, but no clear evidence of this hypothetical factor has yet been given1–3. In order to investigate the mechanism of this distant radiological effect, a selective splenic irradiation was carried out on lead-shielded rabbits, and certain hæmatological consequences of this procedure were studied in the blood and bone-marrow. Furthermore, the isolation of an antimitotic factor from the irradiated spleen was attempted.

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References

  1. Gunz, F. W., Blood, 8, 687 (1953).

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  2. Lamerton, L. F., Pontifex, A. H., Blackett, N., and Adams, K., Brit. J. Radiol., 33, 287 (1960).

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  3. Lajtha, L. E., Prog. Biophys. and Phys. Chem., edit. by Butler, J. A. V., Katz, B., and Zirkle, R. E., 11, 80, 109 (London 1961).

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MAURICE, P., JEANRENAUD, A. Bone-marrow Mitotic Inhibition induced by Local Splenic X-irradiation. Nature 200, 1221–1222 (1963). https://doi.org/10.1038/2001221a0

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