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Related Experiment Videos

Morphogens: how big is the big picture?

P A Lawrence1

  • 1MRC Laboratory of Molecular Biology, Hills Road, Cambridge, CB2 2QH, UK. pal@mrc-lmb.cam.ac.uk

Nature Cell Biology
|July 4, 2001
PubMed
Summary

This review traces the 100-year evolution of the morphogen concept, exploring its historical development and future directions in developmental biology. It highlights key shifts in understanding these crucial signaling molecules.

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Science or alchemy?

Nature reviews. Genetics·2001

Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Genetics

Background:

  • Morphogens are signaling molecules that guide pattern formation during embryonic development.
  • Understanding morphogen gradients is fundamental to explaining how organisms develop complex structures.

Observation:

  • The concept of morphogens has undergone significant conceptual shifts over the past century.
  • Early models focused on simple concentration gradients, while modern views incorporate more complex regulatory mechanisms.

Findings:

  • The historical trajectory reveals an increasing sophistication in understanding morphogen function.
  • Current research extends beyond basic gradient models to include feedback loops and dynamic signaling.

Implications:

  • A deeper understanding of morphogen evolution informs current research in regenerative medicine and disease.
  • Future research directions aim to elucidate the precise spatiotemporal control of morphogen activity.

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