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The dual-function CD150 receptor subfamily: the viral attraction

Authors
  • Sidorenko, Svetlana P.1
  • Clark, Edward A.2
  • 1 Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology NAS Ukraine, 45 Vasylkivska str., Kiev, 03022, Ukraine , Kiev (Ukraine)
  • 2 University of Washington, Box 357242, SeattlePacific, WA, 98195, 1959 NE, USA , SeattlePacific (United States)
Type
Published Article
Journal
Nature Immunology
Publisher
Springer Nature
Publication Date
Jan 01, 2003
Volume
4
Issue
1
Pages
19–24
Identifiers
DOI: 10.1038/ni0103-19
Source
Springer Nature
License
Yellow

Abstract

The CD150 subfamily within the CD2 family is a growing group of dual-function receptors that have within their cytoplasmic tails a characteristic signaling motif. The ITSM (immunoreceptor tyrosine-based switch motif) enables these receptors to bind to and be regulated by small SH2 domain adaptor proteins, including SH2D1A (SH2-containing adaptor protein SH2 domain protein 1A) and EAT-2 (EWS-activated transcript 2). A major signaling pathway through the prototypic receptor in this subfamily, CD150, leads to the activation of interferon-γ, a key cytokine for viral immunity. As a result, many viruses have designed strategies to usurp or alter CD150 functions. Measles virus uses CD150 as a receptor and Molluscum contagiosum virus encodes proteins that are homologous to CD150. Thus, viruses use CD150 subfamily receptors to create a favorable environment to elude detection and destruction. Understanding the CD150 subfamily may lead to new strategies for vaccine development and antiviral therapies.

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