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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
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Innate immune activation in vitiligo: mechanisms and pathophysiological implications.

Yuting Wang1, Junhua Cao1, Xiaomin Liu1

  • 1Department of Pharmacy, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang Key Laboratory of Special Preparation of Vitiligo, Xiangyang, China.

Frontiers in Immunology
|October 31, 2025
PubMed
Summary

Vitiligo pathogenesis involves innate immune activation, oxidative stress, and specific immune cells that drive melanocyte destruction. Targeting these innate pathways offers new therapeutic strategies for vitiligo treatment.

Keywords:
CD8+ T cellsadaptive immunityimmune cellsinnate immunitymelanocyte damagevitiligo

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Area of Science:

  • Immunology
  • Dermatology
  • Autoimmune Diseases

Background:

  • Vitiligo involves melanocyte destruction and immune dysregulation.
  • The interplay of genetics, environment, and oxidative stress is complex.
  • Innate immunity's role in initiating adaptive responses is increasingly recognized.

Purpose of the Study:

  • To analyze mechanisms of innate immune activation in vitiligo.
  • To focus on damage-associated molecular patterns (DAMPs), oxidative stress, and innate immune cells.
  • To explore therapeutic strategies targeting innate immunity.

Main Methods:

  • Comprehensive review of current literature on vitiligo pathogenesis.
  • Analysis of the role of DAMPs, oxidative stress, and specific innate immune cells (DCs, NK cells, ILCs).
  • Synthesis of findings to elucidate the innate-adaptive immune bridge.

Main Results:

  • Innate immune activation, driven by DAMPs and oxidative stress, is crucial in vitiligo.
  • Innate immune cells like DCs, NK cells, and ILCs bridge innate and adaptive immunity.
  • Autoreactive CD8+ T cells are key effectors of melanocyte destruction.

Conclusions:

  • Innate immunity plays a pivotal role in vitiligo progression.
  • Understanding innate immune pathways is key to developing targeted therapies.
  • Emerging innate immune-targeted strategies show promise for vitiligo treatment.