Cellular and molecular changes in the skin driving increased nociception and pain during burn injury and repair - Summary - MDSpire
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Alterations at the Cellular and Molecular Level in Skin Contributing to Enhanced Pain Sensation Following Burn Injury and Healing

  • By

  • Chiara Nappi

  • Francisco J. Taberner

  • July 2, 2026

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Objective:

To synthesize current evidence on how thermal injury reshapes the function of key cutaneous cell populations and modulates nociceptor activity through various pathways.

Approach:
  • Review of Cellular Dynamics: The review focuses on the role of keratinocytes, epidermal stem cells, melanocytes, fibroblasts, and immune cells in neuroimmune crosstalk and nociceptor sensitization during burn healing.
  • Analysis of Inflammatory Response: It examines the unique inflammatory response in burn injuries, including the spatial and temporal characteristics influenced by burn wound architecture.
Key Findings:
  • Burn injuries lead to extensive tissue destruction and a robust inflammatory environment.
  • Chronic pain in burn survivors often exhibits neuropathic features due to dysregulated inflammation and immune responses.
  • 30%–50% of burn survivors develop chronic pain, often resistant to conventional analgesics.
Interpretation:

The review emphasizes the need for understanding cellular dynamics in nociception.

Limitations:
  • The review may not cover all cellular mechanisms involved in nociception.
  • Emerging evidence may not be fully integrated into clinical practice yet.
Conclusion:

Insights into cellular alterations and inflammatory responses are essential for developing therapies to alleviate chronic pain in burn survivors.

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