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D-Galactose induced PC12 cell damage. A. PC12 cell viability after being stimulated with different concentrations of D-Galactose for 24 h, 48 h, and 72 h, respectively. B. Effects of D-Galactose on cellular senescence of PC12 cells (×100). All data were expressed as mean ± SD (n = 6). **P < 0.01 vs. the control.
