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Ghrelin reduced renal cell apoptosis during UUO. (A) Western blot of Bcl-2 and Bax protein. Bcl-2 protein expression was significantly decreased in the UUO group, while Bax expression was significantly increased; ghrelin increased Bcl-2 and decreased Bax. (B, C) Densitometric analysis of Bcl-2 (B) and Bax (C) expression. Results are the mean ± SEM of four experiments (n = 6). **P < 0.01 versus Sham group; #P < 0.05 versus UUO group; ##P < 0.01 versus UUO group.
