Before revision:  These results are consistent with previous hypothesis on the protective role of ACE2, and suggest that , counterintuitively, drugs that act synergistically with ACE2 and enhance its expression, such as ACE inhibitors and angiotensin receptor blockers used to treat high blood pressure, may offer a promising therapy against the most adverse effects of the Covid-19 disease.
After revision:  These results are consistent with previous hypothesis on the protective role of ACE2, and suggest that , counterintuitively, drugs that act synergistically with ACE2 and enhance its expression, such as ACE inhibitors and angiotensin receptor blockers , may constitute a promising therapy against the most adverse effects of the Covid-19 disease.