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XIAP deficiency: a unique primary immunodeficiency best classified as X-linked familial hemophagocytic lymphohistiocytosis and not as X-linked lymphoproliferative disease

Open access
Marsh, Rebecca A., Madden, Lisa, Kitchen, Brenda J., Mody, Rajen, McClimon, Brad, Jordan, Michael B., Bleesing, Jack J., Zhang, Kejian, Filipovich, Alexandra H.·2010·Blood

Abstract

X-linked inhibitor of apoptosis (XIAP) deficiency, caused by BIRC4 mutations, is described to cause X-linked lymphoproliferative disease (XLP) phenotypes. However, compared with XLP caused by SLAM-Associated Protein deficiency (SH2D1A mutation), XIAP deficiency was originally observed to be associated with a high incidence of hemophagocytic lymphohistiocytosis (HLH) and a lack of lymphoma, suggesting that classification of XIAP deficiency as a cause of XLP may not be entirely accurate. To further characterize XIAP deficiency, we reviewed our experience with 10 patients from 8 unrelated families with BIRC4 mutations. Nine of 10 patients developed HLH by 8 years of age. Most patients presented in infancy, and recurrent HLH was common. There were no cases of lymphoma. Lymphocyte defects thought to contribute to HLH development in SLAM-Associated Protein deficiency were not observed in XIAP deficiency. We conclude that XIAP deficiency is a unique primary immunodeficiency that is more appropriately classified as X-linked familial hemophagocytic lymphohistiocytosis.

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Metadata

Authors
Marsh, R. A., Madden, L., Kitchen, B. J., Mody, R., McClimon, B., Jordan, M. B., Bleesing, J. J., Zhang, K., & Filipovich, A. H.
Venue
Blood
Published
2010-08-19
Volume
116
Issue
7
Pages
1079-1082
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W1988042498
Cited by
264
References
0
FWCI
10.60
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: XIAP deficiency: a unique primary immunodeficiency best classified as X-linked familial hemophagocytic lymphohistiocytosis and not as X-linked lymphoproliferative disease. https://app.cochat.ai/papers/10.1182/blood-2010-01-256099
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Marsh, R. A., Madden, L., Kitchen, B. J., Mody, R., McClimon, B., Jordan, M. B., Bleesing, J. J., Zhang, K., & Filipovich, A. H. (2010). XIAP deficiency: a unique primary immunodeficiency best classified as X-linked familial hemophagocytic lymphohistiocytosis and not as X-linked lymphoproliferative disease. Blood. https://doi.org/10.1182/blood-2010-01-256099

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