Article
Extended Data Fig. 7 | Analysis of 2019-nCoV receptor usage. Determination
of virus infectivity in HeLa cells with or without the expression of human APN
and DPP4. The expression of ACE2, APN and DPP4 plasmids with S tag were
detected using mouse anti-S tag monoclonal antibody. ACE2, APN and DPP4
proteins (green), viral protein (red) and nuclei (blue) are shown. Scale bars,
10 μm.