A young girl with severe cerebral fungal infection due to card 9 deficiency

Publication date: Available online 4 January 2018
Source:Clinical Immunology
Author(s): Pinar Gur Cetinkaya, Deniz Cagdas Ayvaz, Betül Karaatmaca, Rahsan Gocmen, Figen Söylemezoğlu, Wayne Bainter, Janet Chou, Talal A. Chatila, Ilhan Tezcan
Pattern recognition receptors (PRRs), receptors of the innate immune system, are important in interaction with pathogens. Caspase Recruitment Domain-containing protein 9 (CARD9), a member of PRRs, is an intracellular adaptor protein important in fungal defense. CARD9 deficiency causes a rare primary immunodeficiency (PID) characterized by superficial and deep fungal infections. We report a 17year-old female with a homozygous nonsense mutation in CARD9, who presented with severe cerebral fungal infection of the central nervous system. She was also found to have an heterozygous NLRP12 mutation, which may have had add-on effect on the severity of the infection.



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