GLUT9 provides urate reuptake, and single-nucleotide polymorphisms (SNPs) of SLC2A9 are associated not only with hyperuricemia and gout, but also with renal hypouricemia type 2 (OMIM(Online Mendelian Inheritance in Man) # 612076) [10]. The gene discussed is SLC2A9; the disease is hyperuricemia.