Antidepressants stimulate lipoprotein(a) macropinocytosis via serotonin-enhanced cell surface binding. - Deo N; Siddiqui H; Peppercorn K; Madani G; Rutherford-Blyth A; Rutledge M; Williams MJA; McCormick SPA; Redpath GMI (Journal of lipid research, 2025)