Download MendeleyMolecular mechanisms of urate transport by the native human URAT1 and its inhibition by anti-gout drugs.
Wu, C., Zhang, C., Jin, S., Wang, J.J., Dai, A., Xu, J., Zhang, H., Yang, X., He, X., Yuan, Q., Hu, W., Xu, Y., Wang, M., Jiang, Y., Yang, D., Xu, H.E.(2025) Cell Discov 11: 33-33
- PubMed: 40169562
- DOI: https://doi.org/10.1038/s41421-025-00779-z
- Primary Citation of Related Structures:
9JDV, 9JDY, 9JDZ, 9JE0, 9JE1 - PubMed Abstract:
Gout, a common and painful disease, stems from hyperuricemia, where elevated blood urate levels lead to urate crystal formation in joints and kidneys. The human urate transporter 1 (hURAT1) plays a critical role in urate homeostasis by facilitating urate reabsorption in the renal proximal tubule, making it a key target for gout therapy. Pharmacological inhibition of hURAT1 with drugs such as dotinurad, benzbromarone, lesinurad, and verinurad promotes urate excretion and alleviates gout symptoms. Here, we present cryo-electron microscopy structures of native hURAT1 bound with these anti-gout drugs in the inward-open state, and with urate in inward-open, outward-open, and occluded states. Complemented by mutagenesis and cell-based assays, these structures reveal the mechanisms of urate reabsorption and hURAT1 inhibition. Our findings elucidate the molecular basis of urate transport and anti-gout medication action and provide a structural framework for the rational design of next-generation therapies for hyperuricemia and gout.
Organizational Affiliation:
Research Center for Medicinal Structural Biology, National Research Center for Translational Medicine at Shanghai, State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. wcr13215@rjh.com.cn.
