Endocrine Abstracts

Background: Klotho is a 1012 amino acids transmembrane protein, composed of two internal repeats, KL1 and KL2, that can be cleaved, shed and act as a circulating hormone. Klotho regulates several pathways, including fibroblast growth factor 23 (FGF23), Wnt-β/catenin and the cation channels TRPV and TRPC. Our group and other labs identified klotho as a potent tumor suppressor in breast and pancreatic cancers and that KL1 domain is responsible for this activity. Yet, the me...