Research Article

Involvement of Cholinergic Dysfunction and Oxidative Damage in the Effects of Simulated Weightlessness on Learning and Memory in Rats

Figure 6

Effects of HU (hindlimb unloading) on the activities of SOD, CAT, and MDA level in rat hippocampus. (a) SOD activity, (b) CAT activity, and (c) MDA level. Values represent mean ± SEM. and , compared with time-matched control.
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