A. GFAP immunofluorescence labeling was performed on the retinal sections prepared from mouse eyes at P30. Shown are representative confocal images of immunofluorescence labeling of GFAP on the peripheral, middle, and central regions of the retinal sections and corresponding quantification of immunofluorescence intensity. ONL, outer nuclear layer; INL, inner nuclear layer; RGC, retinal ganglion cell. B. Expression levels of GFAP were evaluated in the mouse retinas by immunoblotting at P30. Shown are representative immunoblotting images of GFAP and corresponding quantitative analysis. Data are presented as mean ± SEM of 3–4 independent assays using retinas/eye sections from 5–12 mice (**p < 0.01).