The small cells of coelomic fluid and coelomic epithelium isolated from starfish Asterias rubens and Asterias amurensis (Echinodermata: Asteroidea): Comparative analysis of cell morphology and proliferative activity in vivo and in vitro

The small cells of coelomic fluid and coelomic epithelium isolated from starfish Asterias rubens... Earlier we revealed the probable candidates for the role of Asteroidea stem cells in the starfish Asterias rubens L., small coelomic epithelial cells (SECs-1) with a high nuclear–cytoplasmic ratio that were able to proliferate in vivo and in vitro. To check the existence of a similar cell type in other members of Asteroidea, the small cells in suspensions of coelomic fluid (CF) and coelomic epithelium (CE) of A. amurensis were analyzed with respect to their morphology and proportion in the total cell pool. The morphology of proliferating cells and the proliferative activity of CF and CE cells in vivo and in vitro were studied. The small cells with parameters identical to those of A. rubens SECs-1, were found both in CF and CE of related species. The subpopulation of weakly attached CE cells, highly enriched with SECs-1, was detected. These cells were able to migrate from CE and to proliferate in vivo and in vitro. Additionally, large proliferating cells were described in both starfish. The dynamics of proliferative activity in primary cell cultures of these starfish had some distinctions. Moreover, for the first time, the formation of “crystals”, the potential centres of spiculogenesis, was observed in primary culture of A. amurensis CE cells. The data prove that SECs may fulfil the common functions in two members of Asteroidea. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

The small cells of coelomic fluid and coelomic epithelium isolated from starfish Asterias rubens and Asterias amurensis (Echinodermata: Asteroidea): Comparative analysis of cell morphology and proliferative activity in vivo and in vitro

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Publisher
Pleiades Publishing
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074016020097
Publisher site
See Article on Publisher Site

Abstract

Earlier we revealed the probable candidates for the role of Asteroidea stem cells in the starfish Asterias rubens L., small coelomic epithelial cells (SECs-1) with a high nuclear–cytoplasmic ratio that were able to proliferate in vivo and in vitro. To check the existence of a similar cell type in other members of Asteroidea, the small cells in suspensions of coelomic fluid (CF) and coelomic epithelium (CE) of A. amurensis were analyzed with respect to their morphology and proportion in the total cell pool. The morphology of proliferating cells and the proliferative activity of CF and CE cells in vivo and in vitro were studied. The small cells with parameters identical to those of A. rubens SECs-1, were found both in CF and CE of related species. The subpopulation of weakly attached CE cells, highly enriched with SECs-1, was detected. These cells were able to migrate from CE and to proliferate in vivo and in vitro. Additionally, large proliferating cells were described in both starfish. The dynamics of proliferative activity in primary cell cultures of these starfish had some distinctions. Moreover, for the first time, the formation of “crystals”, the potential centres of spiculogenesis, was observed in primary culture of A. amurensis CE cells. The data prove that SECs may fulfil the common functions in two members of Asteroidea.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: May 12, 2016

References

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