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  Indian J Med Microbiol
 

Figure 4 Photomicrographs of cerebral cortex sections stained by caspase-9. (a) Control group showing negative immunoreactivity of neurons. (b) Dexamethasone group showing strong brown positively immunoreactive neuron nuclei, with marked expression of positively immunoreactive apoptotic cells. (c and d) Dexamethasone and Hypericum perforatum (100 and 200 mg/kg, respectively) group showing moderate and weak immunoreactivity of neurons (immunohistochemistry of caspase-9, ×400).

Figure 4 Photomicrographs of cerebral cortex sections stained by caspase-9. (a) Control group showing negative immunoreactivity of neurons. (b) Dexamethasone group showing strong brown positively immunoreactive neuron nuclei, with marked expression of positively immunoreactive apoptotic cells. (c and d) Dexamethasone and <i>Hypericum perforatum</i> (100 and 200 mg/kg, respectively) group showing moderate and weak immunoreactivity of neurons (immunohistochemistry of caspase-9, ×400).