D-Ala-Lys-AMCA hydrochloride is a known proton-coupled oligopeptide transporter 1 (PEPT1) substrate that emits blue fluorescence. D-Ala-Lys-AMCA hydrochloride may be transported into liver cancer cells and Caco-2 cells based on fluorescence analysis[1].
[1]. Gong Y, et al. Specific expression of proton-coupled oligopeptide transporter 1 in primary hepatocarcinoma-anovel strategy for tumor-targeted therapy. Oncol Lett. 2017 Oct;14(4):4158-4166.
















