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KMID : 1128320150130020052
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Electrolytes & Blood Pressure
2015 Volume.13 No. 2 p.52 ~ p.57
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A Case Report of Familial Renal Hypouricemia Confirmed by Genotyping of SLC22A12, and a Literature Review
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Kim Hyung-Oh
Ihm Chun-Gyoo
Jeong Kyung-Hwan
Kang Hyun-Joon
Kim Jae-Min
Lim Hyung-Suk
Kim Jin-Sug
Lee Tae-Won
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Abstract
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A 24-year-old male visited our hospital because of pain in both flanks. His biochemistry profile showed an elevated serum creatinine level and low serum uric acid level. History taking revealed that he had undertaken exercise prior to the acute kidney injury (AKI) event, and he stated that family members had a history of urolithiasis. His renal profile improved after hydration and supportive care during hospitalization. Although the patient was subsequently admitted again due to AKI, his status recovered with similar treatment. Since the diagnosis of the patient was familial renal hypouricemia with exercise-induced AKI, we performed genotyping of SLC22A12, which encodes human urate transporter 1. The diagnosis was confirmed by the detection of a homozygous mutation of W258X. We herein, report a case of familial renal hypouricemia confirmed by genotyping of SLC22A12, and review the relevant literature.
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KEYWORD
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Familial renal hypouricemia, SLC22A12, URAT1, Acute kidney injury
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