Intranasal long R3 insulin-like growth factor-1 treatment promotes amyloid plaque remodeling in cerebral cortex but fails to preserve cognitive function in male 5XFAD mice. - Engel MG; Narayan S; Cui MH; Branch CA; Zhang X; Gandy SE; Ehrlich M; Huffman DM (Journal of Alzheimer's disease : JAD, 2025)