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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ren, Xuefeng Wu, Xin Sui, Gang Gong, Zhihong Yawson, Emmanuel Wu, Banghua Lai, Guanchao Ruan, Xiaolin Gao, Hongbin Zhou, Feng Su, Bing Olson, James R. Tang, Xiaojiang |
| Description | Country affiliation: China Author Affiliation: Ren X ( Department of Epidemiology and Environmental Health, the State University of New York, Buffalo, USA) |
| Abstract | We recently reported that occupational exposure to trimethyltin (TMT) is a risk factor for developing kidney stones. To further examine the association between TMT exposure and the formation of kidney stones, we conducted a 180-day animal study and exposed the randomly grouped Sprague–Dawley (SD) rats to TMT in the drinking water at doses of 0, 8.2, 32.8 and 131.3 μg $kg^{−1}$ $day^{−1}.$ Transient behavioral changes were observed in the high-dose group during the first 2weeks of exposure. TMT exposure led to a significant dose-dependent inhibition of renal $H^{+}/K^{+}-ATPase$ and an increase in urinary pH. In comparison to no kidney stones being identified in the control and the lowest dose group, 1 rat in the 32.8 μg $kg^{−1}$ $day^{−1}$ dose group and 3 out of 9 rats in the 131.3 μg $kg^{−1}$ $day^{−1}$ dose group were found to have stones in the kidney/urinary tract. Pathological analysis showed that more wide spread calcium disposition was observed in kidneys of rats with TMT exposure compared with the rats in the control group. However, X-ray diffraction (XRD) analysis found that the kidney stones were mainly composed of struvite with the formula: NH4MgPO4 $6H_{2}O,$ while calcium-containing components were also detected. Together, this study further demonstrates through animal studies that chronic exposure to a relatively low level of TMT induces nephrotoxicity and increases the risk for developing kidney stones. |
| File Format | HTM / HTML |
| ISSN | 0260437X |
| e-ISSN | 10991263 |
| DOI | 10.1002/jat.3054 |
| Journal | Journal of Applied Toxicology |
| Issue Number | 5 |
| Volume Number | 35 |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2015-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Toxicology Kidney Calculi Pathology Trimethyltin Compounds Toxicity Animals Dose-response Relationship, Drug Gas Chromatography-mass Spectrometry Hydrogen-ion Concentration Kidney Drug Effects Chemically Induced Magnesium Compounds Urine Phosphates Rats, Sprague-dawley X-ray Diffraction Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Toxicology |
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