We have previously characterized the first invertebrate homolog of serum amyloid A (SAA) proteins in the sea cucumber Holothuria glaberrima, where its expression is associated with intestinal regeneration, suggesting a possible involvement of SAA proteins in intestinal morphogenesis. Here we show that bacterial lipopolysaccharides (LPS) trigger a coelomocyte-mediated immune response in H. glabe...

Research on the involvement of retroelements in developmental processes has been gaining momentum recently; however, most of the studies published so far have been focused on embryonic development. This commentary presents two recent papers, which document significant changes in transcriptional activity of retroelements in two different model systems, salamander limb regeneration and regenerati...

Studies on amino acid composition and antioxidant activities of collagen Polypeptides from the Holothuria nobilis Selenka were carried out in this paper. Results revealed that collagen polypeptides mainly contains glycine(Gly), alanine(Ala), glutamate (Glu), proline (Pro) and hydroxyproline (Hyp) with high medicinal values and good tasting. The rate of delicious amino acid, pharmacodynamics ami...

background: holothuroids (sea cucumbers) are members of the phylum echinodermata, which produce saponins. saponins exhibit a wide spectrum of pharmacological and biological activities. in this study, we isolated the crude saponins from the body wall of the dominant iranian species of sea cucumber, holothuria leucospilota (h. leucospilota). the purpose of this study was to confirm the presence o...

Coelomocytes in the Holothuroidea are traditionally identified according to their morphology through light, fluorescence, or electron microscopy. Former studies have typically used only one method, with few works combining two more approaches. Studies using cytocentrifugation study these cells scarcer. Thus, for first time, an integrative approach was compare coelomocytes Holothuroidea. This co...