fig4
![Single low-dose lipopolysaccharide preconditioning: neuroprotective against axonal injury and modulates glial cells](https://image.oaes.cc/559f9605-27b6-427a-b55e-6bde2454e8a3/1695.fig.4.png)
Figure 4. M1 microglia activation increased significantly following TBI. CD68 was significantly increased following TBI but LPS preconditioning ameliorated the effect. Scale bar = 50 µm. ***P < 0.001. LPS: lipopolysaccharide; TBI: traumatic brain injuries