May be involved with uptake of metabolites from your circulation into organs such as kidney, liver or placenta. Quite possibly drives the selective transport of thyroid hormones and estrogens coupled to an outward glutamate gradient over the microvillous membrane of your placenta (PubMed:30343886). The transport system, its electrogenicity and opportunity https://tiromel93581.blog-a-story.com/11371410/rumored-buzz-on-t3