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Type: Artigo de periódico
Title: Report of a new mutation in CYBB gene in two patients with X linked chronic granulomatous disease
Author: Agudelo-Florez, P
Navarro, S
Luttges, P
Lopez, JA
Norambuena, X
Navarrete, CL
Quezada, A
Spencer, M
Condino, A
De L, MC
Abstract: Background: The X-linked form of chronic granulomatous disease (CGD) is a primary immunodeficiency that affects phagocytes of the innate immune system and is characterized by an increased susceptibility to severe bacterial and fungal infections. It is caused by mutations in the CYBB gene, which encodes the 91-kD subunit of phagocyte NADPH oxidase. Aim: To identify the mutation in the CYBB gene in two unrelated patients from Chile with, the diagnosis of X-linked CGD and their families. Patients and methods: The molecular genetic defects of two unrelated patients from Chile with X-linked CGD caused by defects in the CYBB gene were investigated. The underlying mutation was investigated by single strand conformation polymorphism (SSCP) analysis of PCR-amplified genomic DNA and by sequencing of the affected gene region. Results: We found an insertion c.1267_1268insA in exon 10 leading to a frameshift mutation. This mutation is a novel report. We also identified a splice site mutation in the other patient, that presented a c.1326 +1 G > A substitution in intron 10. The mutation was also detectable in his heterozygous mother. Conclusions: This is the first report of the clinical and molecular characterization of Chilean patients with mutations in CYBB gene (Rev Med Chile 2006; 134: 965-72).
Subject: CYBB protein, human
genetic diseases, X-linked
granulomatous disease, chronic
Country: Chile
Editor: Soc Medica Santiago
Citation: Revista Medica De Chile. Soc Medica Santiago, v. 134, n. 8, n. 965, n. 972, 2006.
Rights: aberto
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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