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Related Concept Videos

Gastrulation01:56

Gastrulation

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Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series of intricate cellular movements, which in humans transforms a flat, “bilaminar disc” composed of two cell sheets into a three-tiered structure. In the resulting embryo, the endoderm serves as the bottom layer, and stacked directly above it is the intermediate mesoderm, and then the uppermost ectoderm. Respectively, these tissue strata...
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Understanding Early Organogenesis Using a Simplified In Situ Hybridization Protocol in Xenopus
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Modeling endoderm development and disease in Xenopus.

Nicole A Edwards1, Aaron M Zorn2

  • 1Division of Developmental Biology, Center for Stem Cell and Organoid Medicine, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States.

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Xenopus embryology reveals key molecular mechanisms of endoderm development and organogenesis. This research informs human disease modeling and regenerative medicine strategies for endoderm-derived organs.

Keywords:
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Area of Science:

  • Developmental Biology
  • Regenerative Medicine

Background:

  • The endoderm, an embryonic germ layer, forms vital organs like the respiratory and gastrointestinal tracts.
  • Xenopus embryology has been crucial for understanding vertebrate endoderm development, including signaling pathways and gene regulatory networks.

Purpose of the Study:

  • To review discoveries in Xenopus endoderm development.
  • To highlight Xenopus's utility in modeling human endoderm-related diseases and congenital defects.
  • To inform regenerative medicine applications.

Main Methods:

  • Review of historical and current Xenopus embryology research.
  • Application of genetic, genomic, and advanced imaging techniques.
  • Disease modeling using Xenopus.

Main Results:

  • Fundamental insights into endoderm induction, patterning, and morphogenesis.
  • Identification of critical roles for TGFβ-signaling in endoderm development.
  • Established Xenopus as a model for studying organogenesis and human diseases.

Conclusions:

  • Xenopus research continues to advance our understanding of endoderm development and organogenesis.
  • Xenopus serves as a powerful model for human disease and regenerative medicine.
  • Findings inform pluripotent stem cell differentiation protocols.