Might be linked to uptake of metabolites through the circulation into organs such as kidney, liver or placenta. Possibly drives the selective transportation of thyroid hormones and estrogens coupled to an outward glutamate gradient over the microvillous membrane of the placenta (PubMed:30343886). The transport system, its electrogenicity and opportunity tissue-distinct https://tiromel43221.bloggerchest.com/30948770/detailed-notes-on-tiromel