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Apoptosis in corneal tissue using TUNEL assay. (A) Prednisone, control-NPsi, and FL2-NPsi-treated corneas exhibit no statistically significant difference in the number of apoptotic cells after alkaline chemical injury. n.s., not significant. (B) Apoptotic cells in prednisone, 20 µM control-NPsi, and 20 µM FL2-NPsi-treated corneas.
