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. 2021 Jul 19;14(7):694. doi: 10.3390/ph14070694

Figure 4.

Figure 4

TUNEL staining of retinal sections at the concentration of 0.1 mg/mL NK-4 (this figure shows the condition of the entire retina in one RCS rat). The thickness of the ONL (white brackets) was thicker in the retina of NK-4-injected eyes, compared with control eyes. Cell nuclei were counterstained with DAPI (blue). Pair groups: (A) vs. (B), (C) vs. (D), (E) vs. (F), (G) vs. (H), (I) vs. (J), (K) vs. (L). ONL, outer nuclear layer; INL, inner nuclear layer; OPL, outer plexiform layer. White brackets represent the ONL. Scale bar = 20 μm.