ECB-ART-42161
Biol Bull
2011 Aug 01;2211:93-109. doi: 10.1086/BBLv221n1p93.
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Gut regeneration in holothurians: a snapshot of recent developments.
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Visceral regeneration in sea cucumbers has been studied since early last century; however, it is only within the last 15 years that real progress has been made in understanding the cellular and molecular events involved. In the present review, we bring together these recent studies, providing readers with basic information on the anatomy and histology of the normal gut and detailing the changes in tissue organization and gene expression that occur during the regenerative process. We discuss the nature and possible sources of cells involved in the formation of the intestinal regenerate as well as the role of cell death and proliferation in this process. In addition, we compare gut formation during regeneration and during embryogenesis. Finally, we describe the molecular studies that have helped advance regenerative studies in holothurians and integrate the gene expression information with data on cellular events. Studies on visceral regeneration in these echinoderms provide a unique view that complements regeneration studies in other animal phyla, which are mainly focused on whole-animal regeneration or appendage regeneration.
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Genes referenced: LOC100887844 LOC115919910