Figure 7.

(A–C). Glycosylated and non-glycosylated proNGF levels in diabetic retina before and after ocular NGF treatment. Altered proNGF levels are shown by Western Blot (A) and densitometric analyses (B,C, respectively). β-Actin expression was used to normalize sample variability, a.u. indicates arbitrary units. The results are expressed as mean ±SD. Statistical significance is indicated with * p < 0.05, ** p < 0.01, *** p < 0.001. “a” vs. CTRL group; “b” vs. STZ group. CTRL, healthy rats; STZ, streptozotocin; STZ+NGF, streptozotocin+nerve growth factor eye drops.