Fig 4. Representative Iba1 immunofluorescence images of young and middle aged of lumbar spinal cord dorsal horns from post-CCI day 7 animals, ipsilateral or contralateral to injury.

Immunofluorescence confocal images of the dorsal horns stained with Iba1 antibody were combined with corresponding transmitted light images. Young (YCCI) and middle-aged (MCCI) dorsal horns ipsilateral (IPSL) to injury are compared to the contralateral (CL) sides. Scale bars = 100 μm.