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Nerve dependent macromolecular synthesis in the epidermis and blastema of the adult newt regenerate

✍ Scribed by Geraudie, Jacqueline ;Singer, Marcus

Book ID: 102893480
Publisher: John Wiley and Sons
Year: 1978
Tongue: English
Weight: 669 KB
Volume: 203
Category: Article
ISSN: 0022-104X
DOI: 10.1002/jez.1402030312

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✦ Synopsis

Abstract

The present study is an analysis of neurotrophic control of DNA and protein synthesis in the separated epidermis and blastema of the early newt limb regenerate. Previous macromolecular studies employed the entire regenerate without discrimination between its two components. The results demonstrate that the specific activities of newly synthesized protein and DNA show a nerve dependence in both epidermis and blastema. There appears to be a postdenervation rise in synthesis followed by a decline to a plateau level in both components, similar to what is reported for the whole regenerate. After two days of denervation DNA synthesis in the mesenchymatous cells is more profoundly depressed, suggesting that the epidermis is less nerve dependent.

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