TY - RPRT TI - Middle-aged mice treated with GHK-Cu peptide administered intraperitoneally or intranasally show behavioral rescue but divergent hippocampal aging programs AU - Mazzola, J. M. AU - Rosenfeld, M. AU - Tucker, M. AU - Wezeman, J. AU - Ladiges, W. C. AU - Liao, G. Y. PY - 2026 DO - 10.64898/2026.04.09.717524 UR - https://www.biorxiv.org/content/10.64898/2026.04.09.717524v1 ID - 10.64898/2026.04.09.717524 ER -