A glycosylation-dependent CD45RB epitope defines previously unacknowledged CD27⁻IgM(high) B cell subpopulations enriched in young children and after hematopoietic stem cell transplantation

© 2013 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 149(2013), 3 vom: 28. Dez., Seite 421-31
1. Verfasser: Bemark, Mats (VerfasserIn)
Weitere Verfasser: Friskopp, Linda, Saghafian-Hedengren, Shanie, Koethe, Susanne, Fasth, Anders, Abrahamsson, Jonas, Sverremark-Ekström, Eva, Andersson, Bengt A, Mellgren, Karin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't B cell Hematopoietic stem cell transplantation Immunological ontogeny Lymphocyte development Epitopes, B-Lymphocyte Fluorescent Dyes Immunoglobulin M Tumor Necrosis Factor Receptor Superfamily, Member 7 mehr... Rhodamine 123 1N3CZ14C5O Leukocyte Common Antigens EC 3.1.3.48
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100 1 |a Bemark, Mats  |e verfasserin  |4 aut 
245 1 2 |a A glycosylation-dependent CD45RB epitope defines previously unacknowledged CD27⁻IgM(high) B cell subpopulations enriched in young children and after hematopoietic stem cell transplantation 
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520 |a The immune system is dysfunctional for years after hematopoietic stem cell transplantation (HSCT). A potential cause is an intrinsic B cell deficiency. In a cohort of pediatric HSCT patients few CD27(+) B cells formed after transplantation with the number of CD27(+)IgM(high) cells more affected than class-switched ones. A previously unacknowledged population of CD27(-)IgM(high) cells made up the majority of B cells and this population was also enlarged in healthy children compared to adults. Only a minority of these CD27(-)IgM(high) B cells expressed markers typical for transitional B cells, and the non-transitional CD27(-)IgM(high) cells could be further divided into subpopulations based on their ability to extrude the dye Rhodamine 123 and their expression of CD45RB(MEM55), a glycosylation-dependent epitope. Thus, we define several novel human CD27(-)IgM(high) B cell subpopulations in blood, all of which are present in higher frequencies and numbers in young children and after HSCT than in adults 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a B cell 
650 4 |a Hematopoietic stem cell transplantation 
650 4 |a Immunological ontogeny 
650 4 |a Lymphocyte development 
650 7 |a Epitopes, B-Lymphocyte  |2 NLM 
650 7 |a Fluorescent Dyes  |2 NLM 
650 7 |a Immunoglobulin M  |2 NLM 
650 7 |a Tumor Necrosis Factor Receptor Superfamily, Member 7  |2 NLM 
650 7 |a Rhodamine 123  |2 NLM 
650 7 |a 1N3CZ14C5O  |2 NLM 
650 7 |a Leukocyte Common Antigens  |2 NLM 
650 7 |a EC 3.1.3.48  |2 NLM 
700 1 |a Friskopp, Linda  |e verfasserin  |4 aut 
700 1 |a Saghafian-Hedengren, Shanie  |e verfasserin  |4 aut 
700 1 |a Koethe, Susanne  |e verfasserin  |4 aut 
700 1 |a Fasth, Anders  |e verfasserin  |4 aut 
700 1 |a Abrahamsson, Jonas  |e verfasserin  |4 aut 
700 1 |a Sverremark-Ekström, Eva  |e verfasserin  |4 aut 
700 1 |a Andersson, Bengt A  |e verfasserin  |4 aut 
700 1 |a Mellgren, Karin  |e verfasserin  |4 aut 
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773 1 8 |g volume:149  |g year:2013  |g number:3  |g day:28  |g month:12  |g pages:421-31 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2013.08.011  |3 Volltext 
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