Cellular responses and HSP70 expression during wound healing in Holothuria tubulosa (Gmelin, 1788)

Monica Celi, Mirella Vazzana, Vincenzo Arizza, Monica Celi, Vincenzo Arizza, Giuseppa Buscaino, Giuseppa Buscaino

Risultato della ricerca: Articlepeer review

14 Citazioni (Scopus)

Abstract

Wound repair is a key event in the regeneration mechanisms of echinoderms. We studied, at the behavioural, cellular and molecular levels, the wound healing processes in Holothuria tubulosa after injuries to the body wall. The experiments were performed for periods of up to 72h, and various coelomocyte counts, as well as the expression of heat shock proteins (HS27, HSP70 and HSP90), were recorded. Dermal wound healing was nearly complete within 72h. In the early stages, we observed the injured animals twisting their bodies to keep their injuries on the surface of the water for the extrusion of the buccal pedicles. At the cellular level, we found time-dependent variations in the circulating coelomocyte counts. After injury, in particular, we observed a significant increase in spherule cells at 2.5h post-injury. Using the western blot method, we observed and reported that the wounds produced, compared with controls, a significant increase in HSP27 and HSP70 expression in coelomocytes, whereas HSP70 was increased in scar tissue and HSP90 was increased only in cell-free coelomic fluid. These results highlight that the wounds were responsible for the stress condition with the induction of cellular and biochemical responses.
Lingua originaleEnglish
pagine (da-a)306-315
Numero di pagine10
RivistaFISH AND SHELLFISH IMMUNOLOGY
Volume42
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Aquatic Science

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