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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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Zygotic Development And Stem Cell Formation01:10

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The development of all multicellular organisms starts with the fusion of haploid cells called sperm and egg to form a diploid zygote. A zygote is a totipotent cell that can develop into a complete organism. The zygote undergoes cell division or cleavage to form an 8-cell mass. Until this stage, the cells are spherical, loosely attached, and remain totipotent. Totipotent cells are capable of developing both the embryonic and the extraembryonic tissues. However, as they continue to divide, they...
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Related Experiment Video

Updated: Dec 26, 2025

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Insights into mammalian morphogen dynamics from embryonic stem cell systems.

Elena Camacho-Aguilar1, Aryeh Warmflash2

  • 1Department of Biosciences, Rice University, Houston, TX, United States.

Current Topics in Developmental Biology
|March 8, 2020
PubMed
Summary

Morphogens are key to mammalian development. Embryonic stem cell models reveal new insights into how these signaling molecules pattern tissues in space and time during early development.

Keywords:
Embryonic stem cellsGastrulationMammalian developmentSelf-organizationSignaling dynamics

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Area of Science:

  • Developmental Biology
  • Stem Cell Biology
  • Systems Biology

Background:

  • Morphogens are crucial signaling molecules that direct cell fate specification and tissue patterning during embryonic development.
  • While in vivo studies have illuminated some signaling pathways and associated phenotypes, critical questions about morphogen dynamics in space and time persist.
  • Understanding these dynamics is essential for comprehending the establishment of the mammalian body plan during gastrulation.

Purpose of the Study:

  • To review recent advancements in understanding morphogen signaling dynamics and patterning in early mammalian development.
  • To highlight the utility of embryonic stem cell (ESC) self-organized patterning systems as a complementary approach to in vivo studies.
  • To discuss how cutting-edge ESC technology is addressing open questions in morphogen function.

Main Methods:

  • Review of recent scientific literature focusing on morphogen signaling and patterning.
  • Emphasis on studies utilizing embryonic stem cell self-organization models.
  • Integration of findings from both in vivo and in vitro experimental systems.

Main Results:

  • Embryonic stem cell self-organization systems provide a powerful platform for studying morphogen function in a controlled environment.
  • These systems allow for detailed investigation of morphogen signaling dynamics, including their spatial and temporal regulation.
  • Progress has been made in addressing fundamental questions about how morphogens establish patterns during early mammalian development.

Conclusions:

  • Embryonic stem cell technology offers unique advantages for dissecting complex morphogen-driven patterning processes.
  • Continued research using these models promises to deepen our understanding of developmental mechanisms.
  • This approach complements traditional in vivo studies, providing a more comprehensive view of early mammalian development.