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Related Concept Videos

Cells of the Innate Immune Response01:28

Cells of the Innate Immune Response

The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
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Immune Surveillance by NK Cells and Phagocytes

Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
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Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
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Activation and Measurement of NLRP3 Inflammasome Activity Using IL-1β in Human Monocyte-derived Dendritic Cells
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Activation and Measurement of NLRP3 Inflammasome Activity Using IL-1β in Human Monocyte-derived Dendritic Cells

Published on: May 22, 2014

NLR functions beyond pathogen recognition.

Thomas A Kufer1, Philippe J Sansonetti

  • 1Institute for Medical Microbiology, Immunology and Hygiene, University of Cologne, Köln, Germany.

Nature Immunology
|January 20, 2011
PubMed
Summary
This summary is machine-generated.

Nucleotide-binding domain and leucine-rich repeat-containing (NLR) proteins are key immune sensors. Recent research reveals their crucial roles beyond pathogen detection in tissue homeostasis and development.

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Area of Science:

  • Immunology
  • Molecular Biology
  • Cell Biology

Background:

  • The nucleotide-binding domain and leucine-rich repeat-containing (NLR) family comprises intracellular pattern-recognition molecules.
  • NLR proteins have been primarily studied for their roles in detecting pathogens and initiating inflammatory responses.
  • Emerging evidence indicates NLRs possess functions beyond pathogen recognition.

Purpose of the Study:

  • To review recent advancements in understanding the biology of human NLR proteins.
  • To highlight the non-pathogen-recognition functions of NLRs.
  • To explore NLR involvement in tissue homeostasis, apoptosis, graft-versus-host disease, and early development.

Main Methods:

  • Literature review of recent studies on human NLR proteins.
  • Analysis of data supporting both pathogen-recognition and non-pathogen-recognition roles.
  • Synthesis of findings related to NLRs in various physiological and pathological contexts.

Main Results:

  • NLRs are implicated in diverse cellular processes, including inflammation, adaptive immunity, and disease.
  • Evidence points to significant roles for NLRs in maintaining tissue homeostasis.
  • NLRs are involved in critical developmental processes and immune-related conditions like graft-versus-host disease.

Conclusions:

  • Human NLR proteins have multifaceted biological functions extending beyond pathogen sensing.
  • NLRs play vital roles in fundamental biological processes such as tissue repair, cell death, and development.
  • Further research into NLRs promises insights into various diseases and therapeutic strategies.