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Update on protease-activated receptor 2 in inflammatory and autoimmune dermatological diseases

Kejia Xu1,2, Lin Wang1,2, Mao Lin1

  • 1Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China.

Frontiers in Immunology
|October 4, 2024
PubMed

Insights

Protease-activated receptor 2 (PAR2) plays a key role in skin cell interactions and various skin conditions. Targeting PAR2 offers potential therapeutic strategies for dermatological disorders.

Area of Science:

  • Dermatology
  • Immunology
  • Cell Biology

Background:

  • Protease-activated receptor 2 (PAR2) is a cell-surface receptor found on keratinocytes, neurons, and immune cells.
  • PAR2 activation initiates signaling cascades involved in numerous cellular functions.

Purpose of the Study:

  • To review the emerging roles and interactions of PAR2 in various skin cells.
  • To summarize current insights into PAR2's function in atopic dermatitis, psoriasis, vitiligo, and melasma.

Main Methods:

  • Literature review of PAR2's involvement in skin conditions.
  • Analysis of PAR2's role within the cutaneous microenvironment.
  • Exploration of PAR2's contribution to cutaneous and extracutaneous disease comorbidities.

Main Results:

  • PAR2 is implicated in the pathogenesis of inflammatory and autoimmune skin disorders.
  • PAR2 influences interactions among diverse cell types within the skin.
  • PAR2's role extends to associated comorbidities, affecting both skin and systemic health.

Conclusions:

  • PAR2 is a significant mediator in skin physiology and pathology.
  • Understanding PAR2 interactions is crucial for developing targeted dermatological therapies.
  • PAR2 represents a potential therapeutic target for managing various skin diseases and related conditions.
Keywords:
comorbidityimmunityinflammatory dermatological diseaseprotease-activated receptor 2signaling

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