Photomicrograph of RGCs without (A) or with CoCl2 (B) or exposed to 1% O2 (C). Arrow heads denote dead cells. TUNEL staining was performed as described in 'Methods' section to determine apoptotic RGC death following treatment. Insets: Photomicrograph of TUNEL-positive cells (green fluorescent) treated without (A) or with (B) or exposed to 1% O2 (C).
Tulsawani et al. BMC Neuroscience 2010 11:125 doi:10.1186/1471-2202-11-125