Assignment task: Review the paper and comment on the following:
1. What was the goal of the study?
2. What do the authors mean when they say that channel proteins were "constitutive except for some that were controlled by a tetracycline-sensitive operator"?
3. What is the Nav1.5 current? Why is there a late component to this current? In which tissue is the Nav1.5 channel found (please be precise)?
Article: Cannabidiol inhibits multiple cardiac ion channels and shortens ventricular action potential duration in vitro