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Phagocyte interactions in echinoid and asteroid echinoderms

Published online by Cambridge University Press:  11 May 2009

R.P. Dales
Affiliation:
Department of Biology, Royal Holloway & Bedford New College, (University of London), Egham, Surrey, TW20 OEX

Abstract

Phagocytes of the starfishes Asterias rubens L., and Marthasterias ghcialis (L.) (Echinodermata: Asteroidea) phagocytose allogeneic and xenogeneic phagocytes in vivo, but form non-reactive aggregates or syncytia in vitro. The coelomocytes of the sea urchins Echinus esculentus (Mortensen) and Psammechimts miliaris (Gmelin), (Echinodermata: Echinoidea) also form aggregates or syncytia with allogeneic and xenogeneic cells in vitro. Mutual cy totoxicity could not be demonstrated either by enzyme-release or by decrease in numbers of viable cells in cultures of mixed origin as compared with autogeneic controls. The factors which may govern cell recognition and behaviour are discussed.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1992

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