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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/27708
Title: A novel mutation of the IL12RB1 gene in a child with nocardiosis, recurrent salmonellosis and neurofibromatosis type I: First case report from Thailand
Authors: Voravich Luangwedchakarn
Orathai Jirapongsaranuruk
Julie E. Niemela
Charin Thepthai
Kulkanya Chokephaibulkit
Sanya Sukpanichnant
Punchama Pacharn
Nualanong Visitsunthorn
Pakit Vichyanond
Surapon Piboonpocanun
Thomas A. Fleisher
Mahidol University
NIH Clinical Center
Keywords: Immunology and Microbiology;Medicine
Issue Date: 1-Jun-2009
Citation: Asian Pacific Journal of Allergy and Immunology. Vol.27, No.2-3 (2009), 161-165
Abstract: Genetic defects of interleukin (IL)-12/23-and interferon (IFN)-γ-mediated immunity can cause increased susceptibility to intracellular microbes. Among these defects, a mutation of the gene encoding the IL-12 receptor β1 (IL-12Rβ1) is the most common worldwide. A 12-year old Thai boy with pre-existing neurofibromatosis type 1 (NF1) was evaluated for primary immunodeficiency after a history of tuberculous lymphadenitis, recurrent Salmonella infections and nocardiosis. Flow cytometry of phytohemagglutinin (PHA)-stimulated peripheral blood mononuclear cells (PBMCs) revealed a defect in the IL-12Rβ1 surface expression. A genetic study showed a novel nonsense homozygous mutation of the IL12RB1 gene in exon 4 (402C>A), confirming the diagnosis of IL-12Rβ1 deficiency. This is the first case report of a primary IL-12Rβ1 deficiency in Thailand with the interesting finding of a coexisting NF1.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=70350743107&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/27708
ISSN: 0125877X
Appears in Collections:Scopus 2006-2010

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