Figure 2.

Hemin increases expression of exogenous Ngb in rats under focal cerebral Hypoxic-Ischemic conditions. Cerebral cortex Ngb immunohistochemical examinations of indicated group were shown. A: Sham-operation group; B: Operation group; C: Hemin treatment group; D: Exogenous Ngb treatment group; E: Hemin and exogenous Ngb joint treatment group (The brown positive substances in the cytoplasm were Ngb immune-positive neuron cells; the neuron nuclei were blue; the light blue or colorless cytoplasm was the negative control).