Radioprotective effects of cimetidine on rats irradiated by long-term, low-dose-rate neutrons and 60Co γ-rays

Table 6 Effect of cimetidine on MDA in serum and hepatic tissues of n-γ LDR rats (x ± s, n = 10)

Group	MDA in serum (nmol/ml)	MDA in hepatic tissue (nmol/mg protein)
Normal control group	3.67 ± 0.431	4.18 ± 0.60
Radiation model group	4.02 ± 0.37⁽²⁾	4.89 ± 0.28⁽¹⁾
20 mg/(kg · d) cimetidine group	3.70 ± 0.36⁽³⁾	4.34 ± 0.29⁽⁴⁾
80 mg/(kg · d) cimetidine group	3.83 ± 0.40	4.35 ± 0.53⁽³⁾
160 mg/(kg · d) cimetidine group	3.50 ± 0.38⁽⁴⁾	4.27 ± 0.30⁽⁴⁾

⁽¹⁾ P < 0.05, ⁽²⁾ P < 0.01compared with the normal control group; ⁽³⁾ P < 0.05, ⁽⁴⁾ P < 0.01 compared with the radiation model group

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