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. 2023 Oct 28;6:1097. doi: 10.1038/s42003-023-05484-9

Fig. 7. Xenogeneic chimeric nephrons derived from rat renal progenitor cells (RPCs) in immunosuppressed neonatal mouse hosts.

Fig. 7

a A schematic of the method to inject rat RPCs under the renal capsule of neonatal NOD/Shi-scid, IL-2RgKO Jic mice. b, c Immunostaining for rat-specific Kim1 in exogenous rat proximal tubules after 2 weeks, comparing samples without CIS treatment (b) and with CIS treatment (c). d Kim1 positivity of exogenous rat proximal tubule cells (n = 6 sections from 3 biologically independent samples) after CIS treatment. Error bars represent means ± SEM. Data were analyzed using the two-tailed unpaired t-test. ****p < 0.0001. e, f Immunostaining of xenogeneic chimeric nephrons after 2 months showing chimeric glomeruli (Neph+) and proximal tubules (LTL +, white dotted lines). Scale bars, 100 μm in (b) and (c), 500 μm in (e), and 20 μm in (f). CIS, cisplatin; DAPI, 4’,6-diamidino-2-phenylindole; GFP, green fluorescent protein; LTL, lotus tetragonolobus lectin; Neph, Nephrin; Kim1, kidney injury molecule 1; PTC, proximal tubule cell.