Newborn screening for severe T and B cell lymphopenia identifies a fraction of patients with Wiskott-Aldrich syndrome

Copyright © 2014 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 155(2014), 1 vom: 22. Nov., Seite 74-78
1. Verfasser: Borte, Stephan (VerfasserIn)
Weitere Verfasser: Fasth, Anders, von Döbeln, Ulrika, Winiarski, Jacek, Hammarström, Lennart
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Kappa-deleting recombination excision circles; Newborn screening; Severe combined immunodeficiency T cell receptor excision circles; Wiskott–Aldrich syndrome; DNA 9007-49-2
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245 1 0 |a Newborn screening for severe T and B cell lymphopenia identifies a fraction of patients with Wiskott-Aldrich syndrome 
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520 |a The lack or marked reduction of recently formed T and B cells provides a basis for neonatal screening for severe combined immunodeficiencies (SCID) and X-linked agammaglobulinemia (XLA). Newborns with other conditions are also identified if a severe T or B cell lymphopenia is present at birth. We retrospectively analyzed Guthrie card samples from 11 children with Wiskott-Aldrich syndrome (WAS), a rare disease that requires early diagnosis and treatment, to determine whether combined T-cell receptor excision circle (TREC) and kappa-deleting recombination excision circle (KREC) screening could identify these patients. 4 of 11 patients showed markedly reduced TREC or KREC copy numbers in their DBS as compared to storage-time matched controls and prospectively screened Swedish and German newborns. No correlation was observed between the WAS gene mutations, the clinical severity/course and the result of the screening assay. A diagnosis of WAS should thus be considered in newborns with positive TREC or KREC screening results 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Kappa-deleting recombination excision circles; 
650 4 |a Newborn screening; 
650 4 |a Severe combined immunodeficiency 
650 4 |a T cell receptor excision circles; 
650 4 |a Wiskott–Aldrich syndrome; 
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650 7 |a 9007-49-2  |2 NLM 
700 1 |a Fasth, Anders  |e verfasserin  |4 aut 
700 1 |a von Döbeln, Ulrika  |e verfasserin  |4 aut 
700 1 |a Winiarski, Jacek  |e verfasserin  |4 aut 
700 1 |a Hammarström, Lennart  |e verfasserin  |4 aut 
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773 1 8 |g volume:155  |g year:2014  |g number:1  |g day:22  |g month:11  |g pages:74-78 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2014.09.003  |3 Volltext 
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