Pendrin, the protein encoded by the Pendred syndrome gene (PDS), is an apical porter of iodide in the thyroid and is regulated by thyroglobulin in FRTL-5 cells - Royaux, I E; Suzuki, K; Mori, A; Katoh, R; Everett, L A; Kohn, L D; Green, E D (Endocrinology, 2000)