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Isolation and in vitro characterisation of prohaemocytes from the spider crab, Hyas araneus (L.)

Research output: Contribution to journalArticle

Author(s)

Claire Roulston, Valerie Jane Smith

School/Research organisations

Abstract

A population of small, undifferentiated haemocytes from the spider crab, H. araneus were identified and enriched from the circulation using a two-step density gradient separation procedure. Typically, these cells are spherical, ca 8-12 μm diameter, with a high nucleus:cytoplasm ratio, are non-adherent and non-phagocytic. Their number in the circulation is increased by experimental haemocytopenia in a manner consistent with a left shift phenomenon. However, by 96 h, their number returns to pre-treatment levels. Approximately 46 % of these small cells are BrdU-positive in vitro. LPS exposure at a concentration of 0.33 μg mL-1 produces a significant rise in the proportion of positive cells to 65 %, although higher LPS concentrations at >3 μg mL-1 have no such effect. This proliferative ability coupled with their close morphological resemblance to immature haemocytes reported from the haemopoietic tissue of other decapod species leads us to conclude that these cells are true prohaemocytes.
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Details

Original languageEnglish
Pages (from-to)537-544
JournalDevelopmental and Comparative Immunology
Volume35
Issue number5
DOIs
Publication statusPublished - May 2011

    Research areas

  • Cell proliferation, haemopoiesis, prohaemocytes, cell separation, decapod crustacean, hemocyte

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