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A novel mutation of the CYBB gene resulting in severe form of X-linked chronic granulomatous disease.
Asian Pac J Allergy Immunol ; 2007 Dec; 25(4): 249-52
Article in English | IMSEAR | ID: sea-36994
ABSTRACT
We evaluated a boy who had multiple Salmonella septicemia, Aspergillus pneumonia and brain abscesses. His nitroblue tetrazolium (NBT) test was reportedly abnormal. The dihydrorhodamine (DHR) flow cytometry assay was compatible with typical X-linked chronic granulomatous disease (X-CGD). CYBB analysis revealed a novel complex mutation atggacg --> ttca in exon 12 (base pairs 1532-1538). As a result, 3 amino acids Tyr 511, Gly 512 and Arg 513 were deleted and replaced by 2 amino acids, Phe and Gln. The DHR and mutation analysis of his mother showed normal DHR pattern and no mutations in exon 12 of CYBB gene. In conclusion, any children with multiple Salmonella and Aspergillus infection should be suspected of CGD. NBT test, DHR assay and gene analysis are helpful toolsto confirm the diagnosis e v en i n the case of de novo mutation.
Subject(s)
Full text: Available Index: IMSEAR (South-East Asia) Main subject: Pneumonia / Aspergillosis, Allergic Bronchopulmonary / Salmonella Infections / Humans / Male / Membrane Glycoproteins / Amino Acid Sequence / Sequence Deletion / Sepsis / NADPH Oxidases Language: English Journal: Asian Pac J Allergy Immunol Year: 2007 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Pneumonia / Aspergillosis, Allergic Bronchopulmonary / Salmonella Infections / Humans / Male / Membrane Glycoproteins / Amino Acid Sequence / Sequence Deletion / Sepsis / NADPH Oxidases Language: English Journal: Asian Pac J Allergy Immunol Year: 2007 Type: Article