CD24 and chronic kidney disease: The mRNA levels of markers of renal stem cell CD133 (Fig. 5a), CD24 (Fig. 5b), and Osr1 (Fig. 5c) and pluropotency (Nanog, Fig. 5d) were increased in the remnant kidney of 5/6 nephrectomy CKD rats and further increased 3-5 folds by icariin treatment (Fig. 5).