Misexpression experiment of Tbx5 in axolotl (<i>Ambystoma mexicanum</i>) hindlimb blastema

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  • Misexpression experiment of Tbx5 in axolotl (Ambystoma mexicanum) hindlimb blastema

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Axolotls (Ambystoma mexicanum) have the ability to regenerate amputated limbs throughout their life span. In the present study, we attempted to elucidate how axolotls can specify limb type correctly during the regeneration process. We misexpressed Tbx5 in regenerating hindlimb blastema, and consequently a forelimb-like hindlimb regenerated from the hindlimb blastema. On the other hand, no change was observed in Tbx5-overexpressing forelimb blastema, and thus we considered that Tbx5 plays a key role in the specification of forelimb during the regeneration process of axolotl limbs. However, axolotls’ fore- and hindlimbs have very similar structures except for the number of fingers, and it was very difficult to judge whether the forelimb-like regenerate was a true forelimb or merely a forelimb-like hindlimb. Therefore, in order to confirm our conclusion, we have to investigate other genes that are expressed differentially between fore- and hindlimbs in future experiments.

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Details 詳細情報について

  • CRID
    1390001206323471616
  • NII Article ID
    130004495116
  • DOI
    10.2535/ofaj.89.113
  • COI
    1:STN:280:DC%2BC3srot1Sqtg%3D%3D
  • ISSN
    18811736
    0030154X
  • PubMed
    23614983
  • Text Lang
    en
  • Article Type
    journal article
  • Data Source
    • JaLC
    • Crossref
    • PubMed
    • CiNii Articles
    • KAKEN
    • OpenAIRE
  • Abstract License Flag
    Disallowed

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