Roles of pattern recognition receptors in response to fungal keratitis

Xiaolong Fang1, Huifang Lian2, Shihao Bi3

  • 1The School of Medicine, Nankai University, Tianjin 300071, China; Tianjin Eye Hospital, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin 300020, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.

Life Sciences
|August 13, 2022
PubMed

Insights

Pattern recognition receptors (PRRs) are crucial for innate immunity against fungal keratitis, a leading cause of blindness. Understanding PRR roles and interactions offers potential therapeutic targets for corneal fungal infections.

Area of Science:

  • Immunology
  • Ophthalmology
  • Mycology

Background:

  • Fungal keratitis is a major global cause of blindness with limited treatment options.
  • Pattern recognition receptors (PRRs) are key components of the innate immune system's defense against fungal pathogens.
  • PRRs recognize pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs), initiating inflammatory responses.

Purpose of the Study:

  • To review the critical roles of specific PRRs, including C-type lectin-like receptors, Toll-like receptors, and NOD-like receptors, in fungal keratitis.
  • To elucidate the crosstalk and collaborative mechanisms among PRRs in the context of fungal keratitis pathogenesis.
  • To discuss potential therapeutic strategies targeting PRRs for treating corneal fungal infections.

Main Methods:

  • Literature review focusing on the immunological mechanisms of fungal keratitis.
  • Analysis of research on pattern recognition receptors (PRRs) and their involvement in host defense against fungi.
  • Synthesis of current knowledge on PRR signaling pathways and their contribution to disease.

Main Results:

  • PRRs play a significant role in the innate immune response to fungal keratitis.
  • Specific PRRs like CLRs, TLRs, and NLRs are integral to immune regulation in the cornea during fungal infection.
  • Interactions and crosstalk between different PRRs are vital for disease progression and immune defense.

Conclusions:

  • Pattern recognition receptors are central to innate immunity against fungal keratitis.
  • Understanding PRR function and interplay is essential for developing effective treatments.
  • Targeting PRRs presents a promising avenue for novel therapeutic interventions against fungal corneal infections.

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