Extended Data Fig. 4: Infiltrated CCR2⁺ monocytes and macrophages were eliminated after neonatal but not adult spinal cord injury.

a, b, Representative images of sagittal sections of injured spinal cord of Ccr2^RFP mice at 3 or 14 dpi in P2 injury (a) or adult injury (b). Sections were immunostained for CD68 and RFP (for Ccr2^RFP). Scale bar, 250 μm. All experiments shown were independently repeated three times with similar results.