Synthetic peptides Vilon, Epitalon, and Cortagen were shown to modulate the expression of the interleukin-2 gene in rat brain hypothalamic structures. The effects varied depending on the timing and route of administration, demonstrating these peptides can influence immune-related gene activity directly in the brain.
Kazakova, T B; Barabanova, S V; Novikova, N S; Glushikhina, M S; Khavinson, V Kh; Malinin, V V; Korneva, E A