Volume 26, Issue 8 pp. 717-722
Review
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Epidermal Growth Factor (Nobel Lecture)

Stanley Cohen

Corresponding Author

Stanley Cohen

Department of Biochemistry, Vanderbilt University, School of Medicine Nashville, TN 37232 (USA)

Department of Biochemistry, Vanderbilt University, School of Medicine Nashville, TN 37232 (USA)Search for more papers by this author
First published: August 1987
Citations: 4

Copyright © The Nobel Foundation 1987.—We thank the Nobel Foundation, Stockholm, for permission to print this article.

Abstract

Growth factors—for nerves and for epidermal tissue—are the areas of research of last year's recipients of the Nobel Prizes for Medicine. The growth of nerves and of epidermal tissue requires a chemical stimulant. Nerve growth factor (NGF) proved to be a freely diffusing protein that is essential for the normal development of embryos, but which, in excess, results in major disruption of neurogenic processes. NGF has been isolated from several sources, including the salivary glands of mice. Crude extracts of NGF had unexpected side effects, the systematic investigation of which led to the discovery of epidermal growth factor (EGF). EGF, like NGF, is a protein, whose sequence has been determined. The primary signal mediated by EGF is thought, at present, to involve the tyrosine kinase activity of its receptor.

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