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Yang B, Li J, Wang B, Wang G, Li P, Guo H, Li Y, Yang T. Hydroxycitrate prevents calcium oxalate crystallization and kidney injury in a nephrolithiasis rat model. Urolithiasis 2021; 50:47-53. [PMID: 34410446 DOI: 10.1007/s00240-021-01283-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 01/23/2021] [Indexed: 10/20/2022]
Abstract
Hydroxycitrate (HCA) is a derivative of citric acid, and previous studies of HCA have revealed its ability to inhibit the formation of calcium oxalate crystals in vitro. To date, there has been little evidence proving that HCA has the same effectiveness in vivo. The present study was designed to investigate the ameliorating effect of HCA on calcium oxalate deposition and renal impairment in a male rat model. Male Sprague-Dawley rats were randomly divided into four groups: a control group, a model group (glyoxalic acid), a CA group (glyoxalic acid + CA), and an HCA group (glyoxalic acid + HCA). Kidney stone formation was induced by injection of glyoxalic acid (60 mg/kg). The results showed that serum and urinary parameters were significantly improved by HCA treatment. In addition, differences in the formation of calcium oxalate crystals between groups were observed, and HCA was superior to CA in inhibiting crystal accumulation. The ultrastructure of renal tubules and glomeruli occurred in the model group, and the above lesions were significantly reduced in the HCA group. Both OPN and SOD expression levels were promoted by HCA, while CA only promoted OPN. In this article, we provided data on whether HCA affected kidney stones and the expression levels of OPN and SOD in a male rat model.
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Affiliation(s)
- Bowei Yang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Jiongming Li
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China.
| | - Bin Wang
- Department of Urology, People's Hospital of Yuxi City, YuxiYunnan Province, 653100, China
| | - Guang Wang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Pei Li
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Haixiang Guo
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Yuhang Li
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
| | - Tongxin Yang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Avenue, Wuhua District, KunmingYunnan Province, 650101, China
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