Abstract
As reported in this journal1 and elsewhere2, fractions which stimulate the growth, fermentation and respiration of yeast have been isolated in our laboratories from cells injured by ultra-violet irradiation, X-rays and other means. The following experiments by a new technique have confirmed the production of proliferation-promoting substances by cells injured by ultra-violet radiation.
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References
Fardon, Norris, Loofbourow and Ruddy, NATURE, 139, 589 (1937).
Fardon, Carrol and Ruddy, Studies of the Institutum Divi Thomae, 1, 17 (1937). Fardon and Ruddy, ibid., 1, 41 (1937). Norris and Ruddy, ibid., 1, 53 (1937).
Loofbourow, Schmieder, Stimson and Dwyer, Studies of the Institutum Divi Thomae, 1, 79 (1937).
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SPERTI, G., LOOFBOUROW, J. & DWYER, C. Proliferation-promoting Substances from Cells injured by Ultra-violet Radiation. Nature 140, 643–644 (1937). https://doi.org/10.1038/140643b0
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DOI: https://doi.org/10.1038/140643b0
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