组别	12 h	24 h	48 h	72 h
空白对照组	0	0	0	0
12.5 μmol/L	7.76 ± 0.13^a	17.40 ± 0.10^a	18.97 ± 0.14^a	25.03 ± 0.23^a
25 μmol/L	14.95 ± 0.07^ab	22.97 ± 0.04^ab	26.82 ± 0.97^ab	37.16 ± 0.21^ab
50 μmol/L	39.36 ± 0.09^abc	52.49 ± 0.04^abc	56.83 ± 0.16^abc	62.27 ± 0.13^abc
100 μmol/L	56.32 ± 0.06^abcd	62.46 ± 0.69^abcd	66.18 ± 0.15^abcd	71.90 ± 0.01^abcd
200 μmol/L	62.37 ± 0.77^abcde	70.25 ± 0.24^abcde	71.23 ± 0.14^abcde	74.32 ± 0.05^abcde