author_facet Wilkinson, Ray
Lyons, A. Bruce
Roberts, Donna
Wong, Mae-Xhum
Bartley, Paul A.
Jackson, Denise E.
Wilkinson, Ray
Lyons, A. Bruce
Roberts, Donna
Wong, Mae-Xhum
Bartley, Paul A.
Jackson, Denise E.
author Wilkinson, Ray
Lyons, A. Bruce
Roberts, Donna
Wong, Mae-Xhum
Bartley, Paul A.
Jackson, Denise E.
spellingShingle Wilkinson, Ray
Lyons, A. Bruce
Roberts, Donna
Wong, Mae-Xhum
Bartley, Paul A.
Jackson, Denise E.
Blood
Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
Cell Biology
Hematology
Immunology
Biochemistry
author_sort wilkinson, ray
spelling Wilkinson, Ray Lyons, A. Bruce Roberts, Donna Wong, Mae-Xhum Bartley, Paul A. Jackson, Denise E. 1528-0020 0006-4971 American Society of Hematology Cell Biology Hematology Immunology Biochemistry http://dx.doi.org/10.1182/blood-2002-01-0027 <jats:title>Abstract</jats:title><jats:p>Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) is an immunoglobulin–immunoreceptor tyrosine-based inhibitory motif (Ig-ITIM) superfamily member that recruits and activates protein-tyrosine phosphatases, SHP-1 and SHP-2, through its intrinsic ITIMs. PECAM-1–deficient (PECAM-1−/− ) mice exhibit a hyperresponsive B-cell phenotype, increased numbers of B-1 cells, reduced B-2 cells, and develop autoantibodies. In the periphery, there are reduced mature recirculating B-2 cells and increased B-1a cells within the peritoneal cavity. In addition, PECAM-1−/− B cells display hyperproliferative responses to lipopolysaccharide and anti-IgM stimulation and showed enhanced kinetics in their intracellular Ca++ response following IgM cross-linking. PECAM-1−/− mice showed increased serum levels of IgM with elevated IgG isotypes and IgA antidinitrophenol antibody in response to the T-independent antigen, dinitrophenol-Ficoll. Finally, PECAM-1−/− mice developed antinuclear antibodies and lupuslike autoimmune disease with age.</jats:p> Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease Blood
doi_str_mv 10.1182/blood-2002-01-0027
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title Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_unstemmed Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_full Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_fullStr Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_full_unstemmed Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_short Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_sort platelet endothelial cell adhesion molecule-1 (pecam-1/cd31) acts as a regulator of b-cell development, b-cell antigen receptor (bcr)–mediated activation, and autoimmune disease
topic Cell Biology
Hematology
Immunology
Biochemistry
url http://dx.doi.org/10.1182/blood-2002-01-0027
publishDate 2002
physical 184-193
description <jats:title>Abstract</jats:title><jats:p>Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) is an immunoglobulin–immunoreceptor tyrosine-based inhibitory motif (Ig-ITIM) superfamily member that recruits and activates protein-tyrosine phosphatases, SHP-1 and SHP-2, through its intrinsic ITIMs. PECAM-1–deficient (PECAM-1−/− ) mice exhibit a hyperresponsive B-cell phenotype, increased numbers of B-1 cells, reduced B-2 cells, and develop autoantibodies. In the periphery, there are reduced mature recirculating B-2 cells and increased B-1a cells within the peritoneal cavity. In addition, PECAM-1−/− B cells display hyperproliferative responses to lipopolysaccharide and anti-IgM stimulation and showed enhanced kinetics in their intracellular Ca++ response following IgM cross-linking. PECAM-1−/− mice showed increased serum levels of IgM with elevated IgG isotypes and IgA antidinitrophenol antibody in response to the T-independent antigen, dinitrophenol-Ficoll. Finally, PECAM-1−/− mice developed antinuclear antibodies and lupuslike autoimmune disease with age.</jats:p>
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author Wilkinson, Ray, Lyons, A. Bruce, Roberts, Donna, Wong, Mae-Xhum, Bartley, Paul A., Jackson, Denise E.
author_facet Wilkinson, Ray, Lyons, A. Bruce, Roberts, Donna, Wong, Mae-Xhum, Bartley, Paul A., Jackson, Denise E., Wilkinson, Ray, Lyons, A. Bruce, Roberts, Donna, Wong, Mae-Xhum, Bartley, Paul A., Jackson, Denise E.
author_sort wilkinson, ray
container_issue 1
container_start_page 184
container_title Blood
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description <jats:title>Abstract</jats:title><jats:p>Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) is an immunoglobulin–immunoreceptor tyrosine-based inhibitory motif (Ig-ITIM) superfamily member that recruits and activates protein-tyrosine phosphatases, SHP-1 and SHP-2, through its intrinsic ITIMs. PECAM-1–deficient (PECAM-1−/− ) mice exhibit a hyperresponsive B-cell phenotype, increased numbers of B-1 cells, reduced B-2 cells, and develop autoantibodies. In the periphery, there are reduced mature recirculating B-2 cells and increased B-1a cells within the peritoneal cavity. In addition, PECAM-1−/− B cells display hyperproliferative responses to lipopolysaccharide and anti-IgM stimulation and showed enhanced kinetics in their intracellular Ca++ response following IgM cross-linking. PECAM-1−/− mice showed increased serum levels of IgM with elevated IgG isotypes and IgA antidinitrophenol antibody in response to the T-independent antigen, dinitrophenol-Ficoll. Finally, PECAM-1−/− mice developed antinuclear antibodies and lupuslike autoimmune disease with age.</jats:p>
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spelling Wilkinson, Ray Lyons, A. Bruce Roberts, Donna Wong, Mae-Xhum Bartley, Paul A. Jackson, Denise E. 1528-0020 0006-4971 American Society of Hematology Cell Biology Hematology Immunology Biochemistry http://dx.doi.org/10.1182/blood-2002-01-0027 <jats:title>Abstract</jats:title><jats:p>Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) is an immunoglobulin–immunoreceptor tyrosine-based inhibitory motif (Ig-ITIM) superfamily member that recruits and activates protein-tyrosine phosphatases, SHP-1 and SHP-2, through its intrinsic ITIMs. PECAM-1–deficient (PECAM-1−/− ) mice exhibit a hyperresponsive B-cell phenotype, increased numbers of B-1 cells, reduced B-2 cells, and develop autoantibodies. In the periphery, there are reduced mature recirculating B-2 cells and increased B-1a cells within the peritoneal cavity. In addition, PECAM-1−/− B cells display hyperproliferative responses to lipopolysaccharide and anti-IgM stimulation and showed enhanced kinetics in their intracellular Ca++ response following IgM cross-linking. PECAM-1−/− mice showed increased serum levels of IgM with elevated IgG isotypes and IgA antidinitrophenol antibody in response to the T-independent antigen, dinitrophenol-Ficoll. Finally, PECAM-1−/− mice developed antinuclear antibodies and lupuslike autoimmune disease with age.</jats:p> Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease Blood
spellingShingle Wilkinson, Ray, Lyons, A. Bruce, Roberts, Donna, Wong, Mae-Xhum, Bartley, Paul A., Jackson, Denise E., Blood, Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease, Cell Biology, Hematology, Immunology, Biochemistry
title Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_full Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_fullStr Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_full_unstemmed Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_short Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
title_sort platelet endothelial cell adhesion molecule-1 (pecam-1/cd31) acts as a regulator of b-cell development, b-cell antigen receptor (bcr)–mediated activation, and autoimmune disease
title_unstemmed Platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) acts as a regulator of B-cell development, B-cell antigen receptor (BCR)–mediated activation, and autoimmune disease
topic Cell Biology, Hematology, Immunology, Biochemistry
url http://dx.doi.org/10.1182/blood-2002-01-0027