We've updated our Privacy Policy to make it clearer how we use your personal data.

We use cookies to provide you with a better experience. You can read our Cookie Policy here.

Gastrulation Research Reveals Novel Details About Embryonic Development

Gastrulation Research Reveals Novel Details About Embryonic Development

Gastrulation Research Reveals Novel Details About Embryonic Development

Gastrulation Research Reveals Novel Details About Embryonic Development

Stained image of an early mouse embryo (gastrula) showing the forming endoderm in green and the forming mesoderm in red. Credit: © Helmholtz Zentrum München / Silvia Schirge
Read time:

Want a FREE PDF version of This News Story?

Complete the form below and we will email you a PDF version of "Gastrulation Research Reveals Novel Details About Embryonic Development"

First Name*
Last Name*
Email Address*
Company Type*
Job Function*
Would you like to receive further email communication from Technology Networks?

Technology Networks Ltd. needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time. For information on how to unsubscribe, as well as our privacy practices and commitment to protecting your privacy, check out our Privacy Policy

Scientists from Helmholtz Zentrum München revise the current textbook knowledge about gastrulation, the formation of the basic body plan during embryonic development. Their study in mice has implications for cell replacement strategies and cancer research.

Gastrulation is the formation of the three principal germ layers - endoderm, mesoderm and ectoderm. Understanding the formation of the basic body plan is not only important to reveal how the fertilized egg gives rise to an adult organism, but also how congenital diseases arise. In addition, gastrulation serves as the basis to understand processes during embryonic development called epithelial-to-mesenchymal transition which is known to lead to cancer metastasis in adulthood when dysregulated.

"The famous biologist Lewis Wolpert once said that it is not birth, marriage or death, but gastrulation which is truly the most important time of our life. However, there are many things we still don't know about this phenomenon," says study leader Heiko Lickert.

In a new study, researchers could show that the formation of the endoderm germ layer is driven by a different mechanism than it has been assumed for a long time. In contrast to the mesoderm, which undergoes an epithelial-to-mesenchymal transition, the endoderm forms independent of this process. The researchers revealed that its formation is regulated by mechanisms of epithelial cell plasticity that allows cells to leave an epithelium and migrate away. During this process, a gene regulatory protein shields the endoderm from undergoing a mesenchymal transition.

A better understanding of endoderm formation has the potential to advance cell replacement therapy (by improving stem cell differentiation into endoderm in vitro). Moreover, epithelial cell plasticity might be an alternative mechanism of cancer cell metastasis and further studies could identify novel targets for therapeutic intervention.

"Our study has not only revealed further details of germ layer formation, but also has broader implications for stem cell differentiation and cancer metastasis of the most common and deadliest cancers worldwide," explains first author Katharina Scheibner.

Reference: Scheibner K, Schirge S, Burtscher I, et al. Epithelial cell plasticity drives endoderm formation during gastrulation. Nat Cell Biol. 2021. doi: 10.1038/s41556-021-00694-x

This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.