Skip to main content
. 2016 Sep 1;6:32498. doi: 10.1038/srep32498

Figure 7. Confocal microscopic images showing transport pathway of FITC-labelled insulin through TR146 buccal cell layers in the presence of amino acid concentrations that effectively enhanced insulin permeability.

Figure 7

Insulin observed to traverse transcellularly with localisation in the nucleus. Control (A), Arg 50 μg/ml (B), Asp10 μg/ml (C), Asp 200 μg/ml (D), Glu 10 μg/ml (E), Glu 100 μg/ml (F), Glu 200 μg/ml (G), Hist 10 μg/ml (H), Lys 10 μg/ml (I), Lys 100 μg/ml (J), Lys 200 μg/ml (K), Na 200 μg/ml (L).