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Related Experiment Video

Updated: Mar 27, 2026

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At the tip of regeneration.

Camille E Dumas1, Lauren Connolly1, Mekayla A Storer2

  • 1Cambridge Stem Cell Institute, University of Cambridge, Cambridge CB2 0AW, UK.

Current Opinion in Genetics & Development
|March 25, 2026
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Summary

Mammalian digit tip regeneration relies on local cues like the nail organ and inflammation, but systemic factors also play a crucial role. This review explores how local and systemic signals integrate for successful tissue repair.

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Area of Science:

  • Regenerative medicine
  • Developmental biology
  • Tissue engineering

Background:

  • Vertebrate regeneration capacity varies significantly.
  • Mammalian regeneration is limited, occurring in specific sites like the digit tip.
  • Understanding these mechanisms is key to advancing regenerative therapies.

Purpose of the Study:

  • To review local cues governing mammalian digit tip regeneration.
  • To explore the systemic influences on regenerative processes.
  • To integrate local and systemic perspectives on regeneration.

Main Methods:

  • Literature review of recent studies on mammalian regeneration.
  • Focus on cellular and molecular mechanisms.
  • Analysis of immune, endocrine, and neuroendocrine signaling pathways.

Main Results:

  • Local cues including the nail organ, inflammation, fibroblasts, and ECM mechanics are critical.
  • Systemic factors like immune, endocrine, and neuroendocrine signals modulate regeneration.
  • Regeneration is an integrated process involving local and systemic regulation.

Conclusions:

  • Mammalian digit tip regeneration is a complex process influenced by both local tissue microenvironments and systemic physiological states.
  • Successful regeneration requires a coordinated interplay between local repair programs and organism-wide regulatory signals.
  • Further research into these integrated mechanisms could unlock new therapeutic strategies for tissue repair.