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So, while they show promising results so far, whether this effect translates to humans, needs more research to answer

As an example, postmarketing surveillance identified the toxicity associated with the serotonin receptor-modulating drug cisapride
Dong WG, Wang WQ, Cao C

The adhesive process of macrophage engulfment is mediated by myosin-II, a protein that helps to contract the cytoskeleton

doi: 10.1016/j.isci.2021.103707