Regulation of Multimeric Structure of NO-synthase as a New Factor of Organogenesis

Regulation of Multimeric Structure of NO-synthase as a New Factor of Organogenesis The effect of NO on organogenesis in Drosophila is discussed. A new model of regulation of the activity of NO-producing enzyme, NO synthase is described, which takes into account endogenous synthesis of its reduced isoform. The reduced isoform of NO synthase is capable of suppressing the enzymatic activity of full-sized NO synthase during formation of a heterodimer in vivo and in vitro. The reduced form of this enzyme inhibits the antiproliferative effect of the full-sized NO synthase isoform during formation of eye structure in Drosophila by affecting the pathways of cell cycle regulation. The reduced form of NO synthase is an endogenous dominant-negative factor of regulation of the NO synthase activity in development of Drosophila. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Regulation of Multimeric Structure of NO-synthase as a New Factor of Organogenesis

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2005 by MAIK "Nauka/Interperiodica"
Subject
Life Sciences; Developmental Biology; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1007/s11174-005-0045-3
Publisher site
See Article on Publisher Site

Abstract

The effect of NO on organogenesis in Drosophila is discussed. A new model of regulation of the activity of NO-producing enzyme, NO synthase is described, which takes into account endogenous synthesis of its reduced isoform. The reduced isoform of NO synthase is capable of suppressing the enzymatic activity of full-sized NO synthase during formation of a heterodimer in vivo and in vitro. The reduced form of this enzyme inhibits the antiproliferative effect of the full-sized NO synthase isoform during formation of eye structure in Drosophila by affecting the pathways of cell cycle regulation. The reduced form of NO synthase is an endogenous dominant-negative factor of regulation of the NO synthase activity in development of Drosophila.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Oct 18, 2005

References

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