hrp0089rfc11.4 | Bone, Growth Plate & Mineral Metabolism 2 | ESPE2018

A New Form of Anhidrotic Ectodermal Dysplasia with Immunodeficiency Caused By Abolished Store-Operated Ca2+ Entry

Cuk Mario , Lian Jayson , Kahlfuss Sascha , Kozhaya Lina , Vaeth Martin , Rieux-Laucat Frederic , Picard Capucine , Benson Melina J , Jakovcevic Antonia , Bilic Karmen , Martinac Iva , Stathopulos Peter , Kacskovics Imre , Vraetz Thomas , Speckmann Carsten , Ehl Stephan , Issekutz Thomas , Unutmaz Derya , Feske Stefan

Calcium signaling is fundamental to many cellular processes. An important pathway for increasing intracellular Ca2+ levels is store-operated Ca2+ entry (SOCE) regulated by stromal interaction molecule (STIM1-2), and Ca2+ channels formed by ORAI1-3 proteins. Mutations in the ORAI1 and STIM1 genes that abolish SOCE cause a combined immunodeficiency (CID) syndrome that is accompanied by autoimmunity and nonimmunologic symptoms. We present patients with Anhidrotic Ectodermal Dyspl...