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Updated: Dec 8, 2025

Murine Excisional Wound Healing Model and Histological Morphometric Wound Analysis
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Murine Excisional Wound Healing Model and Histological Morphometric Wound Analysis

Published on: August 21, 2020

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The role of Smad7 in cutaneous wound healing

Min-Feng Wu1, Qing-Yu Zeng2, Jian-Hua Huang1

  • 1Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China.

Italian Journal of Dermatology and Venereology
|September 17, 2020
PubMed

Insights

Smad7, an antagonist of transforming growth factor-beta (TGF-β), promotes chronic wound healing by regulating cell growth and cytokines. Understanding Smad7

Area of Science:

  • Regenerative Medicine
  • Molecular Biology
  • Dermatology

Background:

  • Chronic refractory wounds exhibit delayed healing and high recurrence due to tissue defects and necrosis.
  • Current therapeutics lack efficacy, necessitating novel approaches to accelerate granulation and reduce recurrence.
  • The pathogenesis involves complex signaling pathways, notably the transforming growth factor-beta (TGF-β)/Smad7 axis.

Purpose of the Study:

  • To elucidate the precise functions and mechanisms of Smad7 in regulating wound healing.
  • To explore Smad7's potential as a therapeutic target for chronic wounds.

Main Methods:

  • Literature review focusing on the TGF-β/Smad7 signaling pathway in wound healing.
  • Analysis of Smad7's role as a TGF-β antagonist.
  • Examination of Smad7's influence on cytokines, cell growth, differentiation, and apoptosis.

Main Results:

  • Smad7 acts as a critical antagonist of TGF-β, inhibiting its activation.
  • Smad7 positively regulates cytokines essential for wound repair.
  • Smad7 controls cellular processes including growth, differentiation, and apoptosis, thereby promoting healing.

Conclusions:

  • The TGF-β/Smad7 axis is pivotal in chronic wound healing.
  • Smad7 demonstrates significant therapeutic potential for treating refractory wounds.
  • Targeting Smad7 offers a promising strategy to accelerate wound healing and prevent recurrence.

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