CD163 and chronic kidney disease: The surface area of the anti-inflammatory M2-associated marker CD163+ cells in the grafts [Fig. 3(b)] was also highest at 8 weeks (Sham 0.9 ± 0.2%—CKD 2.0 ± 0.6%) and decreased toward week 12 (Sham: 0.7 ± 0.14%, CKD: 0.6 ± 0.3%) [Fig. 3(e)].