期刊
HAEMATOLOGICA-THE HEMATOLOGY JOURNAL
卷 96, 期 3, 页码 472-476出版社
FERRATA STORTI FOUNDATION
DOI: 10.3324/haematol.2010.033910
关键词
IL-2-inducible T-cell kinase (ITK) deficiency; hereditary childhood EBV-positive B-cell lymphoma; bone marrow transplantation
类别
资金
- Federal Ministry of Education and Research [A5]
- Hadassah Medical Organisation
Mutations in the IL-2-inducible T-cell kinase gene have recently been shown to cause an autosomal recessive fatal Epstein Barr virus (EBV) associated lymphoproliferation. We report 3 cases from a single family who presented with EBV-positive B-cell proliferation diagnosed as Hodgkin's lymphoma. Single nucleotide polymorphism array-based genome-wide linkage analysis revealed IL-2-inducible T-cell kinase as a candidate gene for this disorder. All 3 patients harbored the same novel homozygous nonsense mutation C1764G which causes a premature stop-codon in the kinase domain. All cases were initially treated with chemotherapy. One patient remains in durable remission, the second patient subsequently developed severe hemophagocytic lymphohistiocytosis with multi-organ failure and died, and the third patient underwent a successful allogeneic bone marrow transplantation. IL-2-inducible T-cell kinase deficiency underlies a new primary immune deficiency which may account for part of the spectrum of Epstein Barr virus related lymphoproliferative disorders which can be successfully corrected by bone marrow transplantation.
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