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KMID : 1034820190150010057
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Molecular & Cellular Toxicology
2019 Volume.15 No. 1 p.57 ~ p.63
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Chronic exposure to ethylenethiourea induces kidney injury and polycystic kidney in mice
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Chung Hwa-Kyoung
Cho Won-Chul
Park Hye-Yeon
Choi Seung-Hee
Kwon Dae-Ho
Shin Woon-Seob
Song Jae-Seok
Park Byong-Gon
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Abstract
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Backgrounds: Ethylenethiourea (ETU) is one of the main metabolite of ethylenebisdithiocarbamate fungicides and potential exposure is highest for workers involved in rubber and fungicide production. Exposure of ETU induces endocrine disruption, teratogenesis, carcinogenicity, and goitrogenicity.
Methods: ETU was administrated at concentration of 2 mg/kg/day for 58 weeks in C57BL/6 mice. After 58 weeks, blood samples were analyzed serum lipid profile, hepatic function dices, and plasma levels of creatine and blood urea nitrogen. Isolated kidneys were stained with haematoxylin-eosin. Analysis of miRNA expression profile was conducted on Affymetrix miRNA 4.0 Array.
Results: Chronic diet of ETU induced body weight loss, increased serum triglyceride and total cholesterol, increased plasma creatine and blood urea nitrogen, injured glomerulus and nephron tubule, induced severe hydronephrosis and polycystic kidney. ETU diet increased expression levels of the biomarker of renal injury and fibrosis in kidney. miR-17~92 cluster and miR-182-5p associated with cyst progression were increased in expression levels on the kidney.
Conclusion: Chronic exposure to ETU at low concentrations results in functional and structural damage to the kidney, and increases cyst formation in the kidney.
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KEYWORD
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Ethylenethiourea, Polycystic kidney, miR-17~92 cluster, miR-182-5p, Renal injury, Microarray, Fibrosis
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