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Pattern Recognition by NOD-Like Receptors.

Timo-Daniel Voss1, Lucy Hezinger2, Thomas A Kufer2

  • 1University of Hohenheim, Institute for Nutritional Medicine, Department of Immunology, Stuttgart, Germany. timodaniel.voss@uni-hohenheim.de.

Advances in Experimental Medicine and Biology
|July 7, 2025
PubMed
Summary
This summary is machine-generated.

Nucleotide-binding oligomerization domain-like receptors (NLRs) are crucial intracellular pattern recognition receptors (PRRs) that orchestrate immune responses. Dysfunction in NLRs is linked to inflammatory diseases and cancer, highlighting their vital role in health.

Keywords:
DAMPDamage-associated molecular patternsMAMPMicrobe-associated molecular patternsNLRNOD-like receptorsPRRPattern recognition receptors

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Area of Science:

  • Immunology
  • Molecular Biology

Background:

  • Nucleotide-binding oligomerization domain-like receptors (NLRs) are cytosolic pattern recognition receptors (PRRs).
  • NLRs detect microbe-associated molecular patterns (MAMPs) and damage-associated molecular patterns (DAMPs).
  • They play a key role in innate and adaptive immunity.

Purpose of the Study:

  • To review the current understanding of mammalian NLRs as PRRs.
  • To highlight the diverse pathways modulated by NLRs in immune responses.
  • To discuss the implications of NLR dysfunction in disease.

Main Methods:

  • Literature review of mammalian NLR function.
  • Analysis of NLR-mediated inflammatory pathways.
  • Examination of NLR roles in immune recognition and homeostasis.

Main Results:

  • NLRs modulate inflammation via NF-κB, MAPK pathways, and inflammasome formation.
  • NLRs regulate cytokine maturation (IL-1β, IL-18) and pyroptosis via caspase-1 and GSDMD.
  • Some NLRs directly influence adaptive immunity through MHC regulation.
  • NLR dysfunction is implicated in autoinflammatory diseases and cancer.

Conclusions:

  • NLRs are essential intracellular PRRs orchestrating inflammatory and adaptive immune responses.
  • Their proper function is critical for maintaining tissue homeostasis and reproductive health.
  • NLR mutations contribute to various diseases, underscoring their significance in immune recognition.