2018
DOI: 10.1111/pde.13676
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Chronic granulomatous skin lesions leading to a diagnosis of TAP1 deficiency syndrome

Abstract: Transporter associated with antigen processing (TAP) is essential for the stabilization and surface expression of major histocompatibility complex class I molecules of all nucleated cells. TAP deficiency syndrome, also known as bare lymphocyte syndrome type I, is a rare primary immunodeficiency disorder. We report a case of TAP1 deficiency revealed by skin lesions long before the occurrence of respiratory infectious manifestations.

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Cited by 15 publications
(5 citation statements)
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“…Most of the patients described to date have serious and chronic bacterial infections of the respiratory tract (leading to bronchiectasis), whereas viral infections of course occur but are not exceptionally severe (3). In addition, most of them also suffer from deep skin ulcers on the legs that are healing very slowly and are difficult to treat (3, 27, 29). They might even develop granulomatous lesions of the nose, leading to the complete destruction of the nasal cartilage.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Most of the patients described to date have serious and chronic bacterial infections of the respiratory tract (leading to bronchiectasis), whereas viral infections of course occur but are not exceptionally severe (3). In addition, most of them also suffer from deep skin ulcers on the legs that are healing very slowly and are difficult to treat (3, 27, 29). They might even develop granulomatous lesions of the nose, leading to the complete destruction of the nasal cartilage.…”
Section: Discussionmentioning
confidence: 99%
“…This individual was heavily infected in the airways at the time of blood drawing, and thus her NK cells might have been activated in vivo . Over the years, several additional patient observations appeared in the literature, focusing more on the clinical aspects (2229). Based on the number of published cases, TAP deficiency is extremely rare, but there are probably much more patients, as the frequent diagnosis of idiopathic bronchiectasis only seldomly leads to a check for normal HLA class I expression (30), and as the diagnosis is probably often not made in regions with a difficult access to medical structures and a high consanguinity rate.…”
Section: Further Cases Of Tap Deficiencymentioning
confidence: 99%
“…It is hypothesized that previous infections may induce the accumulation of NK and γδ T cells in the cutaneous tissue ( 195 , 196 ). Before starting the treatment, a differential diagnosis should be made carefully because, in these patients, immunosuppressive therapy is useless and, in some cases, harmful because it can be associated with the progression of lesions ( 197 ).…”
Section: Monogenic Lupusmentioning
confidence: 99%
“…RAG1 geni mutasyonu ve TAP1 eksikliğine bağlı oluşan granülomlar buna örnek verilebilir. 15,16 Monilyazis ve granülomlar yalnız bu gruba özgün olmayıp diğer gruplarda da görülebilir. Yine DOCK8 eksikliğine bağlı şiddetli egzama tabloları ve bu zeminde gelişen bakteriyel (stafi lokok) -mantar (tinea) -viral (molluskum kontajiosum ve Herpes) enfeksiyonlar da görülebilir.…”
Section: I-kombine Immün Yetmezliklerunclassified