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Semi‐quantitative scores for αM integrin
| Score | Microglial appearance |
|---|---|
| 0 | No activation |
| 1 | Focal microglial activation |
| 2 | Mild phagocytic activation affecting < 50% of the region |
| 3 | Phagocytic activation affecting > 50% of the region |
| 4 | Total phagocytic activation |
