Broadening the Okur-Chung syndrome phenotype: adult-onset metabolic features and a contiguous 20p13 deletion in a Turkish multicenter cohort.
Okur-Chung neurodevelopmental syndrome (OCNDS; OMIM #617062) is an ultra-rare autosomal dominant disorder caused by heterozygous CSNK2A1 variants encoding CK2α; although the CSNK2A1 Foundation registry lists more than 350 diagnosed individuals worldwide, individual-level phenotypic data have been published for far fewe...