Pinealectomy caused structural and functional disruption of gastric endocrine cells and thyroid C-cells in rats, and injection of epitalon and epithalamin reversed these changes. Epitalon showed higher biological activity than epithalamin in restoring normal neuroendocrine function.
Khavinson, V Kh; Kvetnoĭ, I M; Popuchiev, V V; Iuzhakov, V V; Kotlova, L N