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Could Consumption of Trace Element-Contaminated Rice Be a Risk Factor for Acute Interstitial Nephritis with Uncertain Etiology in the Dry Zone of Sri Lanka?
Biological Trace Element Research ( IF 3.9 ) Pub Date : 2021-08-25 , DOI: 10.1007/s12011-021-02880-2
Shakila Premarathne 1 , Rohana Chandrajith 2 , Nishantha Nanayakkara 3 , C D Gamage 4 , Neelakanthi Ratnatunga 5 , Sulochana Wijetunge 5 , Zeid Badurdeen 6 , Shashika Guruge 7 , N Elladeniya 6 , K P S Madushan 6 , K O C U Samarasiri 6 , Pasan Hewavitharane 1 , Dulanjali Herath 1 , Sachintha Senarathne 2
Affiliation  

Ingestion of toxic trace elements in the human body has been considered one of the major reasons for renal dysfunction. Chronic kidney disease with uncertain etiological factors (CKDu) is a recently described clinical entity in which the disease is found in geographically isolated pockets in the dry zone of Sri Lanka. In CKDu regions, an increasing number of cases are reported with acute interstitial nephritis without any known reason (AINu). However, recent exposure to certain risk behaviors or nephrotoxins, or both, is suspected for the AINu. Consumption of foods that are contaminated with trace elements is one of the main pathways of human exposure to environmental toxins. The current study was carried out to assess the possibility of trace element-contaminated rice consumption on the etiopathogenesis of AINu. Samples of rice consumed by 32 clinically diagnosed AINu cases were collected and analyzed for possible nephrotoxic trace elements. Out of 32 patients, 26 were histologically confirmed with tubulointerstitial disease. The results revealed that the mean values of Cd, As, and Pb were 0.18, 0.055, and 0.135 mg/kg, with ranges of 0.020-1.06, 0.012-0.222, and 0.003-0.744 mg/kg (on dry weight basis), respectively. This study indicated that the investigated toxic trace element levels of rice consumed by AINu were reasonably below the recommended levels of the Codex Alimentarius Commission of FAO and WHO. Hence, it is less likely that rice consumption is to be a risk factor for the etiology of AINu.

中文翻译:

食用微量元素污染的大米会成为斯里兰卡干旱地区病因不明的急性间质性肾炎的危险因素吗?

人体摄入有毒微量元素一直被认为是肾功能不全的主要原因之一。具有不确定病因的慢性肾病 (CKDu) 是最近描述的一种临床实体,其中该疾病在斯里兰卡干旱地区地理上孤立的口袋中发现。在 CKDu 地区,越来越多的病例报告无任何已知原因的急性间质性肾炎 (AINu)。然而,最近暴露于某些危险行为或肾毒素,或两者兼而有之,被怀疑为 AINu。食用被微量元素污染的食物是人类接触环境毒素的主要途径之一。目前的研究旨在评估微量元素污染大米消费对 AINu 发病机制的可能性。收集了 32 名临床诊断为 AINu 病例的大米样本,并分析了可能的肾毒性微量元素。在 32 名患者中,26 名经组织学证实患有肾小管间质疾病。结果表明,Cd、As 和 Pb 的平均值分别为 0.18、0.055 和 0.135 mg/kg,范围为 0.020-1.06、0.012-0.222 和 0.003-0.744 mg/kg(以干重计),分别。这项研究表明,经调查的 AINu 食用的大米有毒微量元素水平合理地低于粮农组织和世界卫生组织食品法典委员会的建议水平。因此,大米消费不太可能成为 AINu 病因的危险因素。26 例经组织学证实患有肾小管间质疾病。结果表明,Cd、As 和 Pb 的平均值分别为 0.18、0.055 和 0.135 mg/kg,范围为 0.020-1.06、0.012-0.222 和 0.003-0.744 mg/kg(以干重计),分别。这项研究表明,经调查的 AINu 食用的大米有毒微量元素水平合理地低于粮农组织和世界卫生组织食品法典委员会的建议水平。因此,大米消费不太可能成为 AINu 病因的危险因素。26 例经组织学证实患有肾小管间质疾病。结果表明,Cd、As 和 Pb 的平均值分别为 0.18、0.055 和 0.135 mg/kg,范围为 0.020-1.06、0.012-0.222 和 0.003-0.744 mg/kg(以干重计),分别。这项研究表明,经调查的 AINu 食用的大米有毒微量元素水平合理地低于粮农组织和世界卫生组织食品法典委员会的建议水平。因此,大米消费不太可能成为 AINu 病因的危险因素。这项研究表明,经调查的 AINu 食用的大米有毒微量元素水平合理地低于粮农组织和世界卫生组织食品法典委员会的建议水平。因此,大米消费不太可能成为 AINu 病因的危险因素。这项研究表明,经调查的 AINu 食用的大米有毒微量元素水平合理地低于粮农组织和世界卫生组织食品法典委员会的建议水平。因此,大米消费不太可能成为 AINu 病因的危险因素。
更新日期:2021-08-25
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