Figure 8.

Uptake of A415-PCL by ATRA-treated SH-SY5Y TrkB⁺ cells after 8 hours of incubation, showing partial colocalization with the anti-early endosomal 1 antibody (arrows). Fluorescence of A415-PCL-labeled with TRITC (A), differential contrast image (B), immunocytochemistry of early endosomal autoantigene-1 (fluorescein isothiocyanate-labeled, (C), nuclear counterstaining (D), and merge of panels A–D (E).

Note: Bar illustrates 100 μm.

Abbreviations: ATRA, all-trans-retinoic acid; PCL, peptide-conjugated liposomes.