1997
DOI: 10.1126/science.276.5309.81
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Amphibian Limb Regeneration: Rebuilding a Complex Structure

Abstract: The ability to regenerate complex structures is widespread in metazoan phylogeny, but among vertebrates the urodele amphibians are exceptional. Adult urodeles can regenerate their limbs by local formation of a mesenchymal growth zone or blastema. The generation of blastemal cells depends not only on the local extracellular environment after amputation or wounding but also on the ability to reenter the cell cycle from the differentiated state. The blastema replaces structures appropriate to its proximodistal po… Show more

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Cited by 450 publications
(311 citation statements)
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References 75 publications
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“…This is likely due to reduced progenitor cell proliferation and differentiation (Janzen et al, 2006;Collins et al, 2007;Nave, 2008;Kirschner et al, 2010). While amphibians have long been the central characters employed in studies on tissue or organ regeneration (Brockes, 1997;Beck et al, 2009;Contreras et al, 2009;Kragl et al, 2009;Calve et al, 2010), the zebrafish (Danio rerio) have recently emerged as a new vertebrate model for genetic studies of tissue/ organ regeneration. Like amphibians, zebrafish exhibit an enhanced capability of regenerating adult tissues, which include retina, spinal cord, kidney, heart, and fin (Poss et al, 2000a(Poss et al, ,b, 2002aNechiporuk and Keating, 2002;Nechiporuk et al, 2003;Jazwinska et al, 2007;Schoenebeck et al, 2007;Tsai et al, 2007;Qin et al, 2009;Jopling et al, 2010;Thummel et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…This is likely due to reduced progenitor cell proliferation and differentiation (Janzen et al, 2006;Collins et al, 2007;Nave, 2008;Kirschner et al, 2010). While amphibians have long been the central characters employed in studies on tissue or organ regeneration (Brockes, 1997;Beck et al, 2009;Contreras et al, 2009;Kragl et al, 2009;Calve et al, 2010), the zebrafish (Danio rerio) have recently emerged as a new vertebrate model for genetic studies of tissue/ organ regeneration. Like amphibians, zebrafish exhibit an enhanced capability of regenerating adult tissues, which include retina, spinal cord, kidney, heart, and fin (Poss et al, 2000a(Poss et al, ,b, 2002aNechiporuk and Keating, 2002;Nechiporuk et al, 2003;Jazwinska et al, 2007;Schoenebeck et al, 2007;Tsai et al, 2007;Qin et al, 2009;Jopling et al, 2010;Thummel et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…La prolifération cellulaire est précédée d'une phase de mobilisation des cellules de réserve [1]. La dédifféren-ciation cellulaire est la première hypothèse qui ait été avancée sur la base d'observations en microscopie élec-tronique [23].…”
Section: Formation Du Blastèmeunclassified
“…David Stocum suggère que la formation du blastème se fait à partir d'un mélange de ces deux catégories de cellules: les cellules souches dont la proliféra-tion est activée par l'amputation, et des cellules matures qui se dédif-férencient et retournent dans des cycles de division cellulaire mais conservent une information de position acquise au cours du développe-ment embryonnaire, qui sera utilisée lors de la régénération de l'appendice [25]. Sur cet aspect de la régénération, les travaux les plus importants on été réalisés par le groupe de Jeremy Brockes, qui s'est focalisé sur la dédifférenciation des myotubes chez le pleurodèle [1,26]. férenciées par bourgeonnement des myotubes, sans division cellulaire [2].…”
Section: Formation Du Blastèmeunclassified
See 1 more Smart Citation
“…The medial cerebral cortex of lizards, which resembles the dentate gyrus of mammals, undergoes postnatal neurogenesis and can regenerate in response to injury (Lopez-Garcia et al 1992). Newts can regenerate their tails, limbs, jaws, and ocular tissues, and the neurons that occupy these regions (Jones and Corwin 1993;Brockes 1997). Goldfish undergo retinal neurogenesis throughout life (Johns and Easter 1977) and, impressively, can regenerate surgically excised portions of their retina in adulthood (Hitchcock et al 1992).…”
Section: Functional Adult Neurogenesis Occurs In Non-mammalian Vertebmentioning
confidence: 99%