Figure 3: Expression of MOR in the CA1 and CA3 region of hippocampus detected by immunofluorescence staining (a) (×400) and by Western blot analysis (c). The numbers of MOR-immunoreactive neurons in the hippocampus were calculated (b). The intensity of immunoblot bands were quantified by Alphalmager TM 2000 and presented as mean ± SEM (each ). ## compared with the normal control group. compared with RRS group. && compared with Shuyu treated RRS group.