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Newborn screening f...
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Borte, StephanKarolinska Institutet
(author)
Newborn screening for severe T and B cell lymphopenia identifies a fraction of patients with Wiskott-Aldrich syndrome.
- Article/chapterEnglish2014
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LIBRIS-ID:oai:gup.ub.gu.se/204685
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https://gup.ub.gu.se/publication/204685URI
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https://doi.org/10.1016/j.clim.2014.09.003DOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:129953297URI
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Subject category:ref swepub-contenttype
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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.
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Fasth, Anders,1945Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för pediatrik,Institute of Clinical Sciences, Department of Pediatrics(Swepub:gu)xfasan
(author)
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von Döbeln, UlrikaKarolinska Institutet
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Winiarski, JacekKarolinska Institutet
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Hammarström, LennartKarolinska Institutet
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Karolinska InstitutetInstitutionen för kliniska vetenskaper, Avdelningen för pediatrik
(creator_code:org_t)
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In:Clinical immunology (Orlando, Fla.): Elsevier BV155:1, s. 74-781521-70351521-6616
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