A case of renal hypouricemia due to T217M mutation in SLC22A12incidentally associated with IgA nephropathyYoshimasa Sakurabu, MD,1. Haruhito A. Uchida, MD, PhD,1. 2.Toshihisa Tahara, MD,1. Tomohiko Asakawa, MD,1 Haruka Yamasaki, MD,1.3.Katsuyoshi Katayama MD,1. Shugo Okamoto, MD,1.Yasuhiro Onishi, MD, PhD,1. Natsumi Matsuoka-Uchiyama, MD,1.Keiko Tanaka, MD, PhD,1. Hidemi Takeuchi, MD, PhD,1.Kenji Tsuji, MD, PhD,1. Ryoko Umebayashi, MD, PhD,1.Yuki Ohashi, PhD,4,5 Kimiyoshi Ichida, MD, PhD,4. Jun Wada, MD, PhD1.Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, JapanDepartment of Chronic Kidney Disease and Cardiovascular Disease, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, JapanDepartment of Internal Medicine, Kagawa Rosai Hospital, Kagawa, JapanDepartment of Pathophysiology, Tokyo University of Pharmacy and Life Sciences, Tokyo, JapanDepartment of Pharmaceutical Sciences, International University of Health and Welfare, Tochigi, JapanCorrespondence to:Haruhito A. UchidaDepartment of Chronic Kidney Disease and Cardiovascular Disease,Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan2‑5‑1 Shikata‑cho, Kita-ku, Okayama 700‑8558, Japan.Phone: +81-86-235-7235, FAX: [email protected]