Gain of function Mutations in STAT1: A recently defined cause for chronic mucocutaneous candidiasis disease mimicking combined immunodeficiencies
Author
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Akarcan, Sanem Eren
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Severcan, Ezgi Ulusoy
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Karaca, Neslihan Edeer
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Isik, Esra
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Aksu, Guzide
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Migaud, Mélanie
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Gurkan, Ferda Evin
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Azarsiz, Elif
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Puel, Anne
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Casanova, Jean Laurent
Author
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Kutukculer, Necil
Admission date
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2020-10-26T18:13:27Z
Available date
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2020-10-26T18:13:27Z
Publication date
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2020
Cita de ítem
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Case Reports in Immunology Vol. 2017, Article ID 2846928, 6 pages
es_ES
Identifier
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10.1155/2017/2846928
Identifier
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https://repositorio.uchile.cl/handle/2250/177354
Abstract
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Chronic Mucocutaneous Candidiasis (CMC) is the chronic, recurrent, noninvasive Candida infections of the skin, mucous membranes, and nails. A 26-month-old girl was admitted with the complaints of recurrent oral Candidiasis, diarrhea, and respiratory infections. Candida albicans grew in oral mucosa swab. CMV and EBV DNA titers were elevated. She had hypergammaglobulinemia; IgE level, percentages of lymphocyte subgroups, and in vitro T-cell proliferation responses were normal. She had parenchymal nodules within the lungs and a calcific nodule in the liver. Chronic-recurrent infections with different pathogens leading to significant morbidity suggested combined immunodeficiency, CMC, or Mendelian susceptibility to mycobacterial diseases. Genetic analysis revealed a predefined heterozygous gain-of-function mutation (GOF) (c.1154 C>T, p.Thr385Met) in the gene coding STAT1 molecule. Hematopoietic stem cell transplantation (HSCT) was planned because of severe recurring infections. Patients with STAT1GOFmutations may exhibit diverse phenotypes including infectious and noninfectious findings. HSCT should be considered as an early treatment option before permanent organ damage leading tomorbidity andmortality develops. This case is presented to prompt clinicians to consider STAT1GOFmutations in the differential diagnosis of patientswith chronic Candidiasis and recurrent infections with multiple organisms, since these mutations are responsible for nearly half of CMC cases reported