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Related Experiment Video

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Understanding Vernal Keratoconjunctivitis: Beyond Allergic Mechanisms.

Marta Sacchetti1, Rocco Plateroti1, Alice Bruscolini1

  • 1Department of Sense Organs, University Sapienza of Rome, Viale del Policlinico, 155, 00161 Rome, Italy.

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|October 23, 2021
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Summary

Vernal keratoconjunctivitis (VKC) is an allergic eye disease impacting vision and quality of life. This review explores innate immunity, neuroimmune reactions, and hormonal changes in VKC pathogenesis.

Keywords:
allergic diseaseinnate immunityneuroinflammationsex hormonesvernal keratoconjunctivitis

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Area of Science:

  • Ophthalmology
  • Immunology
  • Endocrinology

Background:

  • Vernal keratoconjunctivitis (VKC) is a chronic, recurrent inflammatory eye condition affecting children, causing severe symptoms and visual impairment.
  • While often considered allergic, VKC pathogenesis remains controversial, with many patients lacking allergic markers.
  • Genetic, endocrine, neuronal, and innate immunity factors are implicated in VKC development.

Purpose of the Study:

  • To review the role of innate immunity in VKC pathogenesis.
  • To summarize evidence on neuroimmune reactions and hormonal changes in VKC.
  • To highlight potential new diagnostic biomarkers and therapeutic targets for VKC.

Main Methods:

  • Literature review of studies on VKC pathogenesis.
  • Analysis of evidence regarding innate immunity, neuroimmune pathways, and hormonal influences.
  • Synthesis of current understanding of VKC mechanisms.

Main Results:

  • Innate immunity, neuroimmune responses, and hormonal factors contribute to VKC.
  • These non-allergic pathways offer alternative explanations for VKC in patients with negative allergy tests.
  • Understanding these mechanisms is crucial for improving VKC diagnosis and treatment.

Conclusions:

  • VKC pathogenesis is multifactorial, involving both allergic and non-allergic pathways.
  • Innate immunity, neuroimmune interactions, and hormonal shifts are key areas for further research.
  • Identifying novel biomarkers and therapeutic targets is essential for managing VKC effectively.