Similarly, TNF-α positive cells were increased in aged retinas (AM: 80 ± 8%, p < 0.01 vs CM; AF: 59 ± 5%, p < 0.01 vs. CF) (Figure 5A,B), significantly differing by sex (AF p < 0.05 vs. AM) (Figure 5A). Here, TNF is linked to cystic fibrosis.