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. 2021 Apr 22;8:603374. doi: 10.3389/fmed.2021.603374

Figure 4.

Figure 4

Co-enrichment of ACE2, TMPRSS2, and EPCAM in liver epithelial cells. RNA-FISH-based detection of ACE2, TMPRSS2, and EPCAM in (A,B) adjacent normal, (C,D) fatty liver, and (E,F) tumor tissues. (G) Quantification of RNA-FISH images. (H) Schematic of TROP2 expression level and cell fate choices in adult human liver progenitor cells. TROP2high cells express genes exhibiting cholangiocyte fate bias. TROP2high cells also express a higher level of ACE2 and TMPRESS2, making these cells more susceptible for SARS-CoV-2 infection, indicating implications in COVID-19-associated liver dysfunctions. *means statistical significance of P < 0.05.