Tie-2 is expressed on thyroid follicular cells, is increased in goiter, and is regulated by thyrotropin through cyclic adenosine 3′-5′-monophosphate - Ramsden, JD; Cocks, HC; Shams, M; Nijjar, S; Watkinson, JC; Sheppard, MC; Ahmed, Y; Eggo, MC (J Clin Endocrinol Metab, 2001)