Interleukin-6 is inhibited by glucocorticoids and stimulates ACTH secretion and POMC expression in human corticotroph pituitary adenomas - Páez Pereda, M; Lohrer, P; Kovalovsky, D; Perez Castro, C; Goldberg, V; Losa, M; Chervín, A; Berner, S; Molina, H; Stalla, G K; Renner, U; Arzt, E (Experimental and Clinical Endocrinology & Diabetes, 2000)