Evaluation of chloroquine and hydroxychloroquine as ACE-2 Inhibitors By In Silico Approaches: Cardiac Arrhythmia Cause?
2021
Abstract Chloroquine and hydroxychloroquine impair in vitro the terminal glycosylation of angiotensin-converting enzyme 2 (ACE-2), which is known to be cardioprotective. As these aminoquinoline antimalarials are associated with cardiovascular effects, details of their molecular basis on human ACE-2 inhibition still need moving forward with scientific information. Here, molecular docking and dynamics were applied to promote molecular understanding of the antimalarial isomers interactions with human ACE-2. We identified by docking that ionic interactions are the main driving forces. In molecular dynamics, it was observed that the stability of these interactions were present only in R-conformers. These findings may be helpful to better understand the cardiotoxic effects attributed to drugs with the potential to modulate human ACE-2.
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