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Mechanotransduction During Vertebrate Neurulation.

Sergei Y Sokol1

  • 1Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, USA.

Current Topics in Developmental Biology
|March 13, 2016
PubMed
Summary

Neural tube formation relies on coordinated gene activity. Understanding how physical forces and biochemical signals, like planar cell polarity (PCP) molecules, interact is key to deciphering this complex developmental process.

Keywords:
Hippo pathwayMechanical forceMyosin IINeural crest transcriptionNeural tubePlanar cell polarityRab11Xenopus

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Area of Science:

  • Developmental biology
  • Cell biology
  • Biophysics

Background:

  • Vertebrate neural tube formation is a complex morphogenetic process.
  • Hundreds of genes coordinate cell behaviors during neural development.
  • The interplay between physical forces and biochemical signaling in neural tube closure is not fully understood.

Purpose of the Study:

  • To investigate the relative contributions of physical forces and biochemical signaling to neural tube closure.
  • To explore the role of Planar Cell Polarity (PCP) molecules in generating mechanical signals during morphogenesis.
  • To understand how physical forces influence the distribution of PCP proteins.

Main Methods:

  • Investigating the mechanosensory properties of molecules involved in neural tube formation.
  • Analyzing the mechanotransducing capabilities of key cellular components.
  • Utilizing genetic and biophysical approaches to study cell behaviors and tissue dynamics.

Main Results:

  • Planar Cell Polarity (PCP) molecules are implicated in producing actomyosin-dependent mechanical signals essential for morphogenesis.
  • Physical forces may play a role in establishing the polarized distribution of PCP proteins.
  • Identifying critical physical stresses influencing neurulation.

Conclusions:

  • A deeper understanding of molecular mechanosensory and mechanotransducing properties is crucial for defining the physical stresses critical for neurulation.
  • The dynamic interplay between physical forces and biochemical signaling, particularly involving PCP, governs neural tube development.