Association of mutations in mannose binding protein gene with childhood infection in consecutive hospital series

被引:321
作者
Summerfield, JA [1 ]
Sumiya, M [1 ]
Levin, M [1 ]
Turner, MW [1 ]
机构
[1] INST CHILD HLTH,IMMUNOBIOL UNIT,LONDON WC1N 1EH,ENGLAND
关键词
D O I
10.1136/bmj.314.7089.1229
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objective: To determine the extent to which mutations in the mannose binding protein gene predispose to childhood infection. Design: Clinical details and genotype of mannose binding protein determined in consecutive children attending a paediatric department. Setting: Inner city hospital paediatric service in London. Subjects: 617 children attending hospital between October 1993 and August 1995. Main outcome measure: Infection as the cause for attendance or admission in relation to mutations in the mannose binding protein gene. Results: The prevalence of mutations in the mannose binding protein gene in children with infection (146/345) was about twice that in children without infection (64/272) (P < 0.0001). Increased susceptibility to infection was found in both heterozygotic and homozygotic children. 13 out of 17 children homozygotic for variant alleles presented with strikingly severe infections, including 6 with septicaemia. Conclusions: The findings suggest that mutations in the mannose binding protein gene are an important risk factor for infections in children. Screening for such mutations should be included in the investigation of severe or frequent infections.
引用
收藏
页码:1229 / 1232
页数:4
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