Heritability and Control of Differentiated Function in Cultured Cells
Open Access
- 1 May 1963
- journal article
- research article
- Published by Rockefeller University Press in The Journal of general physiology
- Vol. 46 (5), 983-998
- https://doi.org/10.1085/jgp.46.5.983
Abstract
An established tissue culture cell line which retains a differentiated function in vitro is described. The cell line is of connective tissue origin, and its characteristic property is the synthesis and secretion of acid mucopolysaccharides, mainly hyaluronic acid. This differentiated cell function, the activity of which depends on continuous gene action, was found to be possessed by each of eleven clonal substrains, and is therefore a genetically heritable cell character. Rate of acid mucopolysaccharide biosynthesis falls sharply under the influence of the environmental conditions existing in crowded cultures, and this rate also declines if protein synthesis is directly inhibited with puromycin. Environmental modification of a differentiated product of gene action is thus illustrated in this study.Keywords
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