Darier disease (DD) is a rare, inherited multi-organ disorder associated with mutations in the ATP2A2 gene. In DD patients, the skin is frequently affected, characterized by malodorous, inflamed skin and recurrent, severe infections. Therapeutic options are limited and inadequate for the long-term management of this chronic disease. Using immunoprofiling with NanoString technology, qPCR and immunohistochemistry, we demonstrate enhanced expression of Th-17-related genes and cytokines in six DD patients. We prove that targeting the IL-23/-17 axis in DD with monoclonal antibodies is an effective and safe therapy in DD patients, leading to significant clinical improvement. As DD is a chronic, relapsing disease, our findings provide new options for the long-term management of skin inflammation in patients with DD.
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