hrp0095p1-16 | Adrenals and HPA Axis | ESPE2022

Long-term follow-up of three male siblings with a novel NNT pathogenic variant causing primary adrenal insufficiency

Kotnik Primoz , Krasovec Tjasa , Sikonja Jaka , Zerjav Tansek Mojca , Debeljak Marusa , Ilovar Sasa , Trebusak Podkrajsek Katarina , Bertok Sara , Tesovnik Tine , Kovac Jernej , Suput Omladic Jasna , F Hartmann Michaela , A Wudy Stefan , Avbelj Stefanija Magdalena , Battelino Tadej , Groselj Urh

Nicotinamide nucleotide transhydrogenase (NNT) is expressed in the heart, thyroid, and testicles, where it maintains the balance of reactive oxygen species in the mitochondria. It is linked, by an insufficiently described mechanism, to primary adrenal insufficiency (PAI) with or without mineralocorticoid insufficiency and several extra-adrenal manifestations (i.e. gonadal adrenal rest tumors, cardiomyopathy, hypothyroidism, and precocious puberty). A comprehensive and chronolo...