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. 2019 Mar 1;9:3312. doi: 10.1038/s41598-019-39842-7

Figure 3.

Figure 3

Localization of crotamine in kidneys PTECs of mice receiving daily crotamine by ip injections during 21 days. Kidney sections from mice receiving vehicle saline (a–c) or native crotamine (1 µg/animal), daily, for 21 days (d–h). The perinuclear localization of crotamine (red) is shown in the magnified picture (g). The presence of crotamine (red) inside the nuclei was confirmed by the three-dimensional reconstitution of cell nucleus as shown in (h). Differential interference contrast (DIC) with nuclei stained with DAPI (blue) (a and d), and crotamine immunorecognized by rabbit anti-crotamine antibody followed by signal amplification by the Tyramide Signal Amplification (TRITC-labeled tyramide solution, tetramethyl rhodamine system, in red) (b,c,e,f,g and h). Overlay of red and blue fluorescence (c,f,g and h). Bar = 50 μm (a–f) and 5 μm (g, h).