These cells release regulatory hormones, like serotonin and histamine, which act locally to trigger other cells, to, say, release more acid, or contract muscle tissue.
So the real question is, " What is happening? " How is the local action of anesthetics affect global brain dynamics so as to explain this disappearance of consciousness?
But if you see the breakdown of the side effects, you see that most of the side effects reported with combination therapy have to do with the local symptoms like dysuria, polycuria, hematuria.
And there were already like some studies suggesting that the effect of this glucagon-like peptide, it was actually not through the circulation, but more in a localized action onto nerve fibers, especially of the vagus nerve.