Endometriosis lesions are oligoclonal structures derived from the normal endometrium
Sigurgeir Ólafsson, Asgeir Orn Arnthorsson, Kirsten Kübler, Ásgeir Sigurðsson, Helga Sigrun Gunnarsdottir, Hákon Jónsson, Bergrún Ásbjörnsdóttir, Louise le Roux, Jona Saemundsdottir, Valgerður Steinthórsdóttir, Gudmundur Logi Norddahl, Ingileif Jónsdóttir, Jon Gunnlaugur Jonasson, Droplaug N. Magnúsdóttir, Ólafur Þ. Magnússon, , Kāri Stefánsson
This study shows endometriosis lesions originate from the normal endometrium through clonal expansion, with distinct clones at different body sites.
bioRxiv · Feb 26, 2026 · PreprintGenetics