Genetic characteristics of eighty-seven patients with the Wiskott-Aldrich syndrome

Vera Gulácsy, Tomas Freiberger, Anna Shcherbina, Malgorzata Pac, Liudmyla Chernyshova, Tadej Avcin, Irina Kondratenko, Larysa Kostyuchenko, Tatjana Prokofjeva, Srdjan Pasic, Ewa Bernatowska, Necil Kutukculer, Jelena Rascon, Nicolae Iagaru, Cinzia Mazza, Beáta Tóth, Melinda Erdodouble acutes, Mirjam van der Burg, László Maródi

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The Wiskott-Aldrich syndrome (WAS) is an X-linked recessive immune deficiency disorder characterized by thrombocytopenia, small platelet size, eczema, recurrent infections, and increased risk of autoimmune disorders and malignancies. WAS is caused by mutations in the WASP gene which encodes WASP, a 502-amino acid protein. WASP plays a critical role in actin cytoskeleton organization and signalling, and functions of immune cells. We present here the results of genetic analysis of patients with WAS from eleven Eastern and Central European (ECE) countries and Turkey. Clinical and haematological information of 87 affected males and 48 carrier females from 77 WAS families were collected. The WASP gene was sequenced from genomic DNA of patients with WAS, as well as their family members to identify carriers. In this large cohort, we identified 62 unique mutations including 17 novel sequence variants. The mutations were scattered throughout the WASP gene and included single base pair changes (17 missense and 11 nonsense mutations), 7 small insertions, 18 deletions, and 9 splice site defects. Genetic counselling and prenatal diagnosis were applied in four affected families. This study was part of the J Project aimed at identifying genetic basis of primary immunodeficiency disease in ECE countries. This report provides the first comprehensive overview of the molecular genetic and demographic features of WAS in ECE.

Original languageEnglish
Pages (from-to)788-792
Number of pages5
JournalMolecular Immunology
Issue number5
Publication statusPublished - Feb 1 2011


  • WASP mutation
  • Wiskott-Aldrich syndrome

ASJC Scopus subject areas

  • Immunology
  • Molecular Biology

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    Gulácsy, V., Freiberger, T., Shcherbina, A., Pac, M., Chernyshova, L., Avcin, T., Kondratenko, I., Kostyuchenko, L., Prokofjeva, T., Pasic, S., Bernatowska, E., Kutukculer, N., Rascon, J., Iagaru, N., Mazza, C., Tóth, B., Erdodouble acutes, M., van der Burg, M., & Maródi, L. (2011). Genetic characteristics of eighty-seven patients with the Wiskott-Aldrich syndrome. Molecular Immunology, 48(5), 788-792.