Whole exome sequencing revealed a novel homozygous variant in the DGKE catalytic domain: a case report of familial hemolytic uremic syndrome oleh Soraya Gholizad-kolveiri, Nakysa Hooman, Rasoul Alizadeh, Rozita Hoseini, Hasan Otukesh, Saeed Talebi, Mansoureh Akouchekian