Table 1.

ACE2 and TMPRSS2 expression levels in human cells of the male urogenital system

	Cells	ACE 2	TMPRSS2	References
Testis	Spermatogonial Stem cells	++++	+++	Shen et al. 2020;
				Stanley et al, 2020;
				Wang et al., 2020
	Differentiated spermatogonia	++	-	Shen et al., 2020; Stanly et al. 2020
	Round spermatids	+	-
	Elongated spermatids	++	+++
	Early primary spermatocyte	+	-
	Spermatozoa	+	-
	Seminiferous duct cells	+++	-	Stanly et al., 2020; Li et al., 2020
	Leydig cells	+++	Not determined	Shen et al., 2020; Wang et al., 2020
	Sertoli cells	++++	-	Abobaker & Raba, 2020;
				Shen et al., 2020;
				Wang et al., 2020
	Epididymis	+	++	www.proteinatlas.org
Seminal vesicles	Glandular cells	+	+	Shen et al., 2020; Wang et al., 2020
Prostate	Luminal epithelial cells	+	++
Kidney	Renal Tubular cells	+++	+++	Li et al., 2020
	Glomerular cell	-	-	www.proteinatlas.org
Bladder	Urothelial cells	-	-	www.proteinatlas.org