Figure 1.
Effects of ascorbic acid on ACE2 receptor expression at the protein level. Western blot analysis of ACE2 protein expression in human small alveolar epithelial cells and human lung micro-vascular cells incubated in the presence of various concentrations of ascorbic acid (A). Quantitative analysis of the effects of ascorbic acid (AsA) on ACE2 protein expression identified by Western blot (B).