Italian journal of pediatrics · 2022
De novo mutation of CYBB gene in a boy presenting as intra-abdominal infection of Burkholderia contaminans: a case report.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Zhao Qianqian, Yin Jing, Ma Jijun, Liu Xiaoxue, Wu Jiawen, Li Chongwei
Аннотация
BACKGROUND: Chronic granulomatous disease (CGD) is an inborn error of immunity. It is characterized by recurrent bacterial or fungal infections, including infections by Burkholderia species. This is due to respiratory burst dysfunction of phagocytes. Currently, there is no report on Burkholderia contaminans (B. Contaminans) infection in children with CGD.
CASE PRESENTATION: We present a previously healthy, 17-month-old Chinese boy infected with B. Contaminans in the intra-abdominal regions. Immunological screening, including assessment of cellular immunity and humoral immunity did not yield conclusive results. The level of nicotinamide adenine dinucleotide phosphatase (NADPH) activity was decreased and whole-exome sequencing identified a de novo mutation in the CYBB gene.
CONCLUSIONS: For specific pathogens such as B. Contaminans, immune assessment should be carried out even if there is no positive medical history or specificity in basic immunity screening.
CASE PRESENTATION: We present a previously healthy, 17-month-old Chinese boy infected with B. Contaminans in the intra-abdominal regions. Immunological screening, including assessment of cellular immunity and humoral immunity did not yield conclusive results. The level of nicotinamide adenine dinucleotide phosphatase (NADPH) activity was decreased and whole-exome sequencing identified a de novo mutation in the CYBB gene.
CONCLUSIONS: For specific pathogens such as B. Contaminans, immune assessment should be carried out even if there is no positive medical history or specificity in basic immunity screening.