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Autor(en) / Beteiligte
Titel
Sequence variants of the TNFRSF13B gene in Czech CVID and IgAD patients in the context of other populations
Ist Teil von
  • Human immunology, 2012-11, Vol.73 (11), p.1147-1154
Ort / Verlag
United States: Elsevier Inc
Erscheinungsjahr
2012
Quelle
MEDLINE
Beschreibungen/Notizen
  • Abstract Mutations in the TNFRSF13B gene, encoding TACI, have been found in common variable immunodeficiency (CVID) and selective IgA deficient (IgAD) patients, but only the association with CVID seems to be significant. In this study, Czech CVID, IgAD and primary hypo/dysgammaglobulinemic (HG/DG) patients were screened for all TNFRSF13B sequence variants. The TNFRSF13B gene was mutated in 4/70 CVID patients (5.7%), 9/161 IgAD patients (5.6%), 1/17 HG/DG patient (5.9%) and none of 195 controls. Eight different mutations were detected, including the most frequent p.C104R and p.A181E mutations as well as 1 novel missense mutation, p.R189K. A significant association of TNFRSF13B gene mutations was observed in both CVID ( p = 0.01) and IgAD ( p = 0.002) Czech patients. However, when combined with all published data, only the association with CVID remained significant compared with the controls (9.9% vs. 3.2%, p < 10−6 ), while statistical significance disappeared for IgAD (5.7% vs. 3.2%, p = 0.145). The silent mutation p.P97P was shown to be associated significantly with CVID compared with the controls in both Czech patients (allele frequency 4.3% vs. 0.2%, p = 0.01) and in connection with the published data (5.1% vs. 1.8%, p = 0.003). The relevance of some TNFRSF13B gene variants remains unclear and needs to be elucidated in future studies.
Sprache
Englisch
Identifikatoren
ISSN: 0198-8859
eISSN: 1879-1166
DOI: 10.1016/j.humimm.2012.07.342
Titel-ID: cdi_proquest_miscellaneous_1114696146

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