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Analysis of clinical and molecular characteristics of Wiskott–Aldrich syndrome in 24 patients from 23 unrelated Chinese families

Analysis of clinical and molecular characteristics of Wiskott–Aldrich syndrome in 24 patients... Zhang Z‐Y, Xiao H‐Q, Jiang L‐P, Zhou Y, Zhao Q, Yu J, Liu W, Yang X‐Q, Zhao X‐D. Analysis of clinical and molecular characteristics of Wiskott–Aldrich syndrome in 24 patients from 23 unrelated Chinese families. Pediatr Allergy Immunol 2010: 21: 522–532. © 2010 John Wiley & Sons A/S The clinical data of 24 children with Wiskott–Aldrich syndrome (WAS) from 23 unrelated Chinese families were reviewed in the present study. WAS protein (WASP) expression in peripheral blood mononuclear cells was examined by flow cytometry (FCM); WASP gene was amplified by PCR and directly sequenced to analyze mutations in the WASP gene in patients and their female relatives. FCM analysis of 21 patients showed that 18 cases were WASP‐negative, and three had partially WASP expression. WASP gene analysis revealed mutations in 23 patients, including five missense mutations, four nonsense mutations, four deletion mutations, three insertion mutations, six splice site mutations, and one complex mutation, among which, 20 unique mutations were detected, including seven novel mutations (168 C>A, 747–748del T, 793–797del C, 1185 ins C, Dup 1251–1267, 1277 insA and 1266 C>G; 1267–1269del C). Five WAS children underwent stem cell transplantation. After 2 months of transplantation, WASP expression was restored to normal in all five patients whereas one patient died of cytomegalovirus‐induced interstitial lung disease. WASP gene analysis can make a definite diagnosis of WAS and identify mutation carriers, beneficial for timely treatment and genetic counseling for children with WAS. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pediatric Allergy and Immunology Wiley

Analysis of clinical and molecular characteristics of Wiskott–Aldrich syndrome in 24 patients from 23 unrelated Chinese families

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References (31)

Publisher
Wiley
Copyright
© 2010 John Wiley & Sons A/S
ISSN
0905-6157
eISSN
1399-3038
DOI
10.1111/j.1399-3038.2010.00996.x
pmid
20546529
Publisher site
See Article on Publisher Site

Abstract

Zhang Z‐Y, Xiao H‐Q, Jiang L‐P, Zhou Y, Zhao Q, Yu J, Liu W, Yang X‐Q, Zhao X‐D. Analysis of clinical and molecular characteristics of Wiskott–Aldrich syndrome in 24 patients from 23 unrelated Chinese families. Pediatr Allergy Immunol 2010: 21: 522–532. © 2010 John Wiley & Sons A/S The clinical data of 24 children with Wiskott–Aldrich syndrome (WAS) from 23 unrelated Chinese families were reviewed in the present study. WAS protein (WASP) expression in peripheral blood mononuclear cells was examined by flow cytometry (FCM); WASP gene was amplified by PCR and directly sequenced to analyze mutations in the WASP gene in patients and their female relatives. FCM analysis of 21 patients showed that 18 cases were WASP‐negative, and three had partially WASP expression. WASP gene analysis revealed mutations in 23 patients, including five missense mutations, four nonsense mutations, four deletion mutations, three insertion mutations, six splice site mutations, and one complex mutation, among which, 20 unique mutations were detected, including seven novel mutations (168 C>A, 747–748del T, 793–797del C, 1185 ins C, Dup 1251–1267, 1277 insA and 1266 C>G; 1267–1269del C). Five WAS children underwent stem cell transplantation. After 2 months of transplantation, WASP expression was restored to normal in all five patients whereas one patient died of cytomegalovirus‐induced interstitial lung disease. WASP gene analysis can make a definite diagnosis of WAS and identify mutation carriers, beneficial for timely treatment and genetic counseling for children with WAS.

Journal

Pediatric Allergy and ImmunologyWiley

Published: May 1, 2010

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