Letter | Published:

Proliferation-promoting Substances from Cells injured by Ultra-violet Radiation

Nature volume 140, pages 643644 (09 October 1937) | Download Citation

Subjects

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

  1. 1.

    , , and , NATURE, 139, 589 (1937).

  2. 2.

    , and , Studies of the Institutum Divi Thomae, 1, 17 (1937). and , ibid., 1, 41 (1937). and , ibid., 1, 53 (1937).

  3. 3.

    , , and , Studies of the Institutum Divi Thomae, 1, 79 (1937).

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Author information

Affiliations

  1. Institutum Divi Thomae Graduate School of Scientific Research, Cincinnati, Ohio. July 15.

    • GEORGE SPERI SPERTI
    • , JOHN R. LOOFBOUROW
    •  & CECILIA MARIE DWYER

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DOI

https://doi.org/10.1038/140643b0

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