Figure 4.
Effects of spermidine on ONI-induced upregulation of chemokines and accumulation of microglia. (a) mRNA expression levels of MCP-1, MIP-1α and RANTES in whole retinas at d4 after ONI were determined using quantitative real-time PCR. Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) was used as an internal control. (b) Immunohistochemical analyses of ONI-induced migration of microglia detected with an iba1 antibody in the retina at 0 h and d7 after ONI. Scale bar: 100 μm. (c) Quantitative analyses of b. Data are normalized to the iba1 intensity in normal mice. The data are presented as means±S.E.M. of six samples for each experiment. *P<0.05, **P<0.01