Alteration of cellular immune responses in the seastar Asterias rubens following dietary exposure to cadmium

Coteur, G.; Gillan, D. C.; Pernet, Ph.; Dubois, Ph.

doi:/10.1016/j.aquatox.2005.04.003

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Alteration of cellular immune responses in the seastar Asterias rubens following dietary exposure to cadmium

Coteur, G.; Gillan, D. C.; Pernet, Ph.; Dubois, Ph. (2005). Alteration of cellular immune responses in the seastar Asterias rubens following dietary exposure to cadmium. Aquat. Toxicol. 73(4): 418-421. dx.doi.org/10.1016/j.aquatox.2005.04.003

In: Aquatic Toxicology. Elsevier Science: Tokyo; New York; London; Amsterdam. ISSN 0166-445X; e-ISSN 1879-1514

Available in	Authors
VLIZ: Open Marine Archive 278889 [ download pdf ]

Keywords

Anatomical structures > Body regions > Abdomen
Cellular immunity
Chemical elements > Metals
Eukaryotes > Animals > Invertebrates > Mollusca > Bivalvia > Shellfish > Mussels
Mussels
Asterias rubens Linnaeus, 1758 [WoRMS]
Marine/Coastal

Author keywords

seastars; mussels; metal contamination; cellular immunity; phagocytosis; reactive oxygen species

Authors		Top
Coteur, G. Gillan, D. C., more Pernet, Ph. Dubois, Ph.

Abstract

Several parameters of cellular immunity in seastars fed Cd-contaminated mussels were analyzed. The accumulation of cadmium in the seastars did not alter the concentration of amoebocytes in the coelomic fluid. On the contrary, the immune cells showed a reduced phagocytic activity and an increased production of reactive oxygen species. These effects may lead to an inability of the seastars to cope with bacterial infections and to oxidative damages to self tissue that could threaten the survival of the animals.

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