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Multi-functional lectin-like transcript-1: A new player in human immune regulation.

Alba Llibre1, Paul Klenerman2, Christian B Willberg2

  • 1Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK.

Immunology Letters
|August 2, 2016
PubMed
Summary

This review summarizes research on Lectin-like transcript 1 (LLT1) and CD161, C-type lectins in the Natural Killer gene Complex. LLT1 plays diverse roles in immune cells and bone metabolism, highlighting its significance.

Keywords:
C-type lectin-like receptorsCarbohydrate recognition domainLectin-like transcript 1Natural killer gene complexOsteoclast inhibitory lectin

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Area of Science:

  • Immunology
  • Molecular Biology
  • Biochemistry

Background:

  • Lectins and C-type lectins are diverse protein families with varied biological roles.
  • Lectin-like transcript 1 (LLT1) and CD161 are C-type lectins located in the Natural Killer gene Complex (NKC).
  • These receptors are increasingly recognized for their involvement in both immune and non-immune processes.

Purpose of the Study:

  • To consolidate nearly two decades of research on LLT1 and CD161.
  • To elucidate the multifaceted functions of LLT1, including its roles in immune cell regulation and bone metabolism.
  • To highlight the immunological importance of these C-type lectins.

Main Methods:

  • Literature review synthesizing findings from immunological and non-immunological studies.
  • Analysis of research on LLT1 and CD161 functions.
  • Focus on studies published over the last 20 years.

Main Results:

  • LLT1 exhibits a broad functional repertoire, impacting NK cell and B cell regulation.
  • LLT1 is implicated in the regulation of bone metabolism.
  • CD161 also plays significant roles within the immune system, often studied alongside LLT1.

Conclusions:

  • LLT1 and CD161 are critical C-type lectins with significant immunological functions.
  • The diverse roles of LLT1 underscore its importance in immune system regulation and beyond.
  • Further research into these receptors promises deeper insights into health and disease.