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. 2020 Oct 8;98(6):1502–1518. doi: 10.1016/j.kint.2020.09.015

Figure 3.

Figure 3

In situ detection of angiotensin-converting enzyme 2 (ACE2) in deidentified living donor (LD) and diabetic kidney disease tissue.In situ hybridization for ACE2 mRNA in (a,b) 2 LD reference control biopsies, (c,d) 2 renal biopsies from patients with mild diabetic nephropathy, and (e,f) 2 cases of advanced diabetic nephropathy. Small brown dots representing ACE2 mRNA transcripts are seen scattered at low density in proximal tubules (PTs) of control biopsies (a,b) and at higher density in mild (c,d) and advanced (e,f) diabetic nephropathy. Small brown dots can also be seen in parietal cells in control biopsies (a) and mild diabetic nephropathy (c). No ACE2 transcript signal is seen in distal tubules (D), glomeruli (G), or arterioles (A). Original magnification ×200. Bars = 50 μm. Arrowheads indicate parietal cells. To optimize viewing of this image, please see the online version of this article at www.kidney-international.org/.