ArticleLife science alliance2023
Membrane cholesterol regulates inhibition and substrate transport by the glycine transporter, GlyT2.
Article in Life science alliance, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 7 citations in OpenAlex.
- The SLC-ome of membrane transport: from molecular discovery to physiology and clinical applications.Physiological reviews · 2026Review
- Sterol biosynthesis, brain development, and disease.The Journal of clinical investigation · 2026Review
- A reversible allosteric inhibitor of GlyT2 for neuropathic pain without on-target side effects.Nature communications · 2026Article
- A reversible allosteric inhibitor of GlyT2 alleviates neuropathic pain without on-target side effects.bioRxiv : the preprint server for biology · 2025Article
- Genetic Variations in the P2X7 Receptor: Opportunities and Challenges for Drug Development.International journal of molecular sciences · 2025Review
- Modulation of the human GlyT1 by clinical drugs and cholesterol.Nature communications · 2025Article
- Article
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Authors and funding
6 authors at 2 institutions in 3 countries.
Funding
Abstract
Membrane cholesterol binds to and modulates the function of various SLC6 neurotransmitter transporters, including stabilizing the outward-facing conformation of the dopamine and serotonin transporters. Here, we investigate how cholesterol binds to GlyT2 (SLC6A5), modulates glycine transport rate, and influences bioactive lipid inhibition of GlyT2. Bioactive lipid inhibitors are analgesics that bind to an allosteric site accessible from the extracellular solution when GlyT2 adopts an outward-facing conformation. Using molecular dynamics simulations, mutagenesis, and cholesterol depletion experiments, we show that bioactive lipid inhibition of glycine transport is modulated by the recruitment of membrane cholesterol to a binding site formed by transmembrane helices 1, 5, and 7. Recruitment involves cholesterol flipping from its membrane orientation, and insertion of the 3' hydroxyl group into the cholesterol binding cavity, close to the allosteric site. The synergy between cholesterol and allosteric inhibitors provides a novel mechanism of inhibition and a potential avenue for the development of potent GlyT2 inhibitors as alternative therapeutics for the treatment of neuropathic pain and therapeutics that target other SLC6 transporters.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.