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In vitro cytotoxicity of crustacean immunostimulants for lobster haemocytes using the neutral red uptake assay.

Research output: Other contribution

Author(s)

Christopher Hauton, Valerie Jane Smith

School/Research organisations

Abstract

The neutral red uptake (NRU) cell viability assay was adapted for use with lobster Homarus gammarus (Linnaeus, 1758) granulocytes Cultured in vitro. The assay was more sensitive than the conventional trypan blue exclusion assay and facilitated a higher sample throughput than subjective microscope-based assessments of cell viability. The NRU assay was demonstrated to have a linear response from 470 to at least 126 000 cells cm(-2). It was used to investigate the acute cytotoxicity of three commercial and two candidate crustacean aquaculture immunostimulants on lobster granulocytes. All five stimulants had a cytotoxic action on the granulocytes and the toxic dose for some of these stimulants was found to be below their commercially prescribed dose. The long term energetic cost of the use of these stimulants and the concomitant potential for a reduction in growth rate Of Cultured decapod crustaceans, which is fundamental to the Success of commercial aquaculture, is identified and discussed. (C) 2004 Elsevier Ltd. All rights reserved.

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Details

Original languageEnglish
Volume17
DOIs
StatePublished - Jul 2004

    Research areas

  • aquaculture, crustaceans, Homarus gammarus, immunostimulation, neutral red uptake assay, CARCINUS-MAENAS L, VIBRIOSIS RESISTANCE, LITOPENAEUS-VANNAMEI, PENAEUS-MONODON, MARINE DECAPODS, SHORE CRAB, INVITRO, IMMUNOSTIMULANTS, PROPHENOLOXIDASE, VARIABILITY

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ID: 307924