Melanie MİGAUD4, Jean Laurent CASANOVA, Capucine PİCARD, Jacinta 4'5 BUSTAMANTE, Durmuş BURGUCU, Tuba TURUL-OZGÜRÖ, İsmail REİSLİ, ÜMRAN ÇALIŞKAN, Carmen OLEAGA-QUİNTAS4, Caroline DESWARTE, Bahar GÖKTÜRK

Infectious diseases, autoimmunity and midline defect in patient with novel bi-allelic mutation in IL12RBI gene

Göktürk B, Reisli İ, Çalışkan Ü, Oleaga-Quintas C, Deswarte C, Turul-Özgür T, Burgucu D, Migaud M, Casanova JL, Picard C, Bustamante J. Infectious diseases, autoimmunity and midline defect in a patient with a novel bi-allelic mutation in IL12RB1 gene. Turk J Pediatr 2016; 58: 331-336.Clinical disease caused by weakly pathogenic mycobacterial species, which is known as Mendelian susceptibility to mycobacterial disease (MSMD), is a rare entity. IFN-? and IL-17 production are defective due to insufficient response to IL-2 and IL-23 in IL-12R?1 deficiency; so this also causes tendency to intracellular microorganisms and candidal diseases. Here, we present a patient who suffers IL-12R?1 deficiency caused by a novel bi-allelic mutation with recurrent salmonellosis, mycobacterial, fungal infections and remained asymptomatic during 13 months of follow-up after hIFN-? treatment. In addition she had hemolytic anemia and midline defects like cleft lip and palate which have not been reported in a patient with MSMD in the literature prior to this case report. In conclusion, diagnosis of MSMD should be kept in mind in patients with recurrent salmonellosis, mycobacterial and fungal infections especially in countries with a high consanguinity rate.

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