Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
1996-7-25
pubmed:abstractText
NK cells express cell surface receptors for MHC class I proteins (KIR). Engagement of these receptors inhibits NK cell cytotoxic programs. KIR can be expressed on T cells, and their engagement also results in inhibition of effector functions initiated by the CD3/TCR complex. While human KIR genes belong to the Ig gene superfamily, mouse KIR belong to a family of dimeric lectins. Despite these distinct evolutionary origins, we show here that both HLA-Cw3-specific human p58.183 receptors and H-2D d/k-specific mouse Ly49A receptors recruit the same protein tyrosine phosphatases, PTP1C and PTP1D, upon phosphorylation of critical intracytoplasmic tyrosine residues. These results document a common pathway by which diverse KIR can down-regulate NK and T cell activation programs, and further define the sequence of the immunoreceptor tyrosine-based inhibitory motif (ITIM), initially described in FcgammaRIIB1, and expressed in both human and mouse KIR.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0022-1767
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
156
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
4531-4
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
Human and mouse killer-cell inhibitory receptors recruit PTP1C and PTP1D protein tyrosine phosphatases.
pubmed:affiliation
Center for Immunology, INSERM/CNRS of Marseille-Luminy, France.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't