Journal of clinical immunology · 2019
Chronic Mucocutaneous Candidiasis in an Adolescent Boy Due to a Novel Mutation in TRAF3IP2.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Bhattad Sagar, Dinakar Chitra, Pinnamaraju Haneesha, Ganapathy Aparna, Mannan Ashraf
Аннотация
BACKGROUND: IL-17-mediated signaling is crucial in defense against fungi and bacteria. Defective Th17 immunity has been implicated in a group of disorders called chronic mucocutaneous candidiasis (CMC). TRAF3IP2 is an adaptor protein involved in downstream signaling for IL-17 receptors.
CASE: An 18-year-old boy, product of consanguineous wedlock, presented with history of repeated episodes of oral thrush and recurrent pneumonia from first year of life. On examination, he was wasted and had oral thrush and abnormal dentition; grade 2 clubbing and respiratory system examination revealed coarse crepitations. On evaluation, HIV status was negative and basic immunological screen was unrewarding. Genetic testing by next-generation sequencing showed a novel homozygous mutation in TRAF3IP2 gene not reported to date. The defect is likely to cause ACT1 deficiency. He was started on antibiotic and antifungal prophylaxis and remains well on follow-up.
CONCLUSION: We describe an adolescent boy with recurrent oral candidiasis and bronchiectasis due to a novel mutation in TRAF3IP2 gene, not reported to date. This is also the only second report of CMC due to ACT1 deficiency.
CASE: An 18-year-old boy, product of consanguineous wedlock, presented with history of repeated episodes of oral thrush and recurrent pneumonia from first year of life. On examination, he was wasted and had oral thrush and abnormal dentition; grade 2 clubbing and respiratory system examination revealed coarse crepitations. On evaluation, HIV status was negative and basic immunological screen was unrewarding. Genetic testing by next-generation sequencing showed a novel homozygous mutation in TRAF3IP2 gene not reported to date. The defect is likely to cause ACT1 deficiency. He was started on antibiotic and antifungal prophylaxis and remains well on follow-up.
CONCLUSION: We describe an adolescent boy with recurrent oral candidiasis and bronchiectasis due to a novel mutation in TRAF3IP2 gene, not reported to date. This is also the only second report of CMC due to ACT1 deficiency.