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Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
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Psoriasis Caught in the NET.

Jeremy Di Domizio1, Michel Gilliet1

  • 1Department of Dermatology, Lausanne University Hospital CHUV, Lausanne, Switzerland.

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|June 25, 2019
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Summary
This summary is machine-generated.

Neutrophil extracellular traps (NETs) drive T helper 17 cell responses, a key factor in psoriasis pathogenesis. This pathway is particularly relevant in psoriasis patients with a specific TRAF3IP2 gene variant.

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Area of Science:

  • Immunology
  • Dermatology
  • Genetics

Background:

  • Psoriasis pathogenesis involves complex immune dysregulation.
  • Neutrophils and T helper 17 cells are implicated in inflammatory skin diseases.

Purpose of the Study:

  • To investigate the role of neutrophil extracellular traps (NETs) in T helper type 17 (Th17) cell responses.
  • To explore the relevance of this pathway in psoriasis patients with a specific genetic risk variant.

Main Methods:

  • Analysis of neutrophil extracellular trap (NET) formation.
  • Assessment of T helper type 17 (Th17) cell induction.
  • Examination of patient cohorts with psoriasis and TRAF3IP2 gene variants.

Main Results:

  • Neutrophil extracellular traps (NETs) were found to induce T helper type 17 (Th17) cell responses.
  • This NET-induced Th17 pathway is relevant in psoriasis patients carrying a common risk variant in the TRAF3IP2 gene.

Conclusions:

  • Neutrophils, via NETs, contribute to T helper 17-mediated psoriasis pathogenesis.
  • The TRAF3IP2 gene variant influences this neutrophil-T cell interaction in psoriasis.