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Effect of presence of aldose reductase inhibitor AL-1576 on TUNEL staining in pericytes and endothelial cells cultured for 48 h with 50 mM glucose. Numbers represent TUNEL-positive cells counted per 100 cells in three separate experiments normalized against staining in similar cells cultured in 5 mM glucose. Mean ± SD. *P < 0.05 versus untreated cells.
