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1.
Br J Dermatol ; 178(2): 335-349, 2018 02.
Artículo en Inglés | MEDLINE | ID: mdl-28791687

RESUMEN

Primary immunodeficiencies (PIDs) are a heterogeneous group of rare diseases that result from defects in immune system development and/or function. The clinical manifestations of PIDs are highly variable, but most disorders involve at least an increased susceptibility to infection. Furthermore, cutaneous manifestations are very common in PIDs. As an easily accessible organ, the skin can be crucial for early diagnosis and treatment. This is relevant for preventing significant disease-associated morbidity and mortality. We provide a table that enables the reader to find the possible diseases and corresponding gene defects based on the skin manifestations of the suspected PIDs. To our knowledge, this is the first review that allows the reader to find relevant PIDs and the respective gene defects through solitary or combined skin signs.


Asunto(s)
Síndromes de Inmunodeficiencia/diagnóstico , Enfermedades de la Piel/diagnóstico , Trastornos de los Cromosomas/diagnóstico , Trastornos de los Cromosomas/genética , Técnicas de Laboratorio Clínico , Diagnóstico Precoz , Humanos , Enfermedades del Sistema Inmune/diagnóstico , Enfermedades del Sistema Inmune/genética , Síndromes de Inmunodeficiencia/genética , Enfermedades de la Piel/genética
2.
Pulm Circ ; 9(2): 2045894018805406, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-30260738

RESUMEN

Pulmonary arterial hypertension (PAH) can be found in patients suffering from a loss-of-function mutation of the gene encoding for the activin receptor-like kinase 1 (ALK-1), a bone morphogenetic protein (BMP) type 1 receptor. Interestingly, ALK-1 mutations also lead to hereditary hemorrhagic telangiectasia (HHT), an autosomal dominant disease characterized by arteriovenous malformations (AVMs) leading to potentially life-threatening bleeding complications such as epistaxis. Current therapeutic options for both diseases are limited and often only temporary or accompanied by severe side effects. Here, we report of a patient with a mutation of the ALK-1 gene suffering from both HHT and PAH. Recently, it was shown that tacrolimus increased ALK-1 signaling and had beneficial effects in selected end-stage PAH patients. We thus hypothesized that treatment with tacrolimus may prevent disease progression in this patient. Surprisingly, treatment with low-dose tacrolimus dramatically improved his HHT-associated epistaxis but did not attenuate progression of PAH.

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