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学科主题: 公共卫生
题名:
Correlations of Trace Element Levels in the Diet, Blood, Urine, and Feces in the Chinese Male
作者: Wang, Ying1; Ou, Yang-Li1; Liu, Ya-Qiong1; Xie, Qing1; Liu, Qing-Fen2; Wu, Quan2; Fan, Ti-Qiang2; Yan, Lai-Lai1; Wang, Jing-Yu1,3
关键词: Toxic and essential elements ; Metal-metal correlation ; ICP-MS ; Dietary intake ; Urinary excretion ; Fecal excretion
刊名: BIOLOGICAL TRACE ELEMENT RESEARCH
发表日期: 2012-02-01
DOI: 10.1007/s12011-011-9177-8
卷: 145, 期:2, 页:127-135
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Biochemistry & Molecular Biology ; Endocrinology & Metabolism
研究领域[WOS]: Biochemistry & Molecular Biology ; Endocrinology & Metabolism
关键词[WOS]: SELENIUM STATUS ; CADMIUM ; ZINC ; LEAD ; TISSUES ; METALS ; COPPER ; IRON ; METABOLISM ; ABSORPTION
英文摘要:

In order to explore the associations between trace elements in dietary intake and the other three biological media (blood, urine, or feces) and inter-element interactions among the latter, we simultaneously collected 72-h diet duplicates, whole blood, and 72-h urine and feces from 120 free-living healthy males in China. Correlations among the toxic (cadmium [Cd], lead [Pb]), and nutritionally essential (zinc [Zn], copper [Cu], iron [Fe], manganese [Mn], selenium [Se], iodine [I]) elements were evaluated using Spearman rank correlation analysis based on analytical data determined by inductively coupled plasma-mass spectrometry. Dietary Cd intakes were highly correlated with the fecal Cd and blood Cd levels. Inverse correlations were found for Fe-Cd and Fe-Pb in both diet versus blood and diet versus feces. Cd-Zn and Cd-Se were significantly directly correlated in the urine and feces. Cd-Se and Pb-Se were negatively correlated in blood. In addition, there existed an extremely significant association between urinary Se and urinary I. Moreover, the other two highly direct correlations were found for Se-Fe and for I-Fe in urine. Improved knowledge regarding their mutual associations is considered to be of fundamental importance to understand more the complex interrelationships in trace element metabolism.

语种: 英语
所属项目编号: 30972434 ; 30770654 ; 2009ZX09502-027-4
项目资助者: Natural Science Foundation of China (NSFC) ; Ministry of Science and Technology
WOS记录号: WOS:000300278100001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/52137
Appears in Collections:北京大学公共卫生学院_期刊论文

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作者单位: 1.Peking Univ, Sch Publ Hlth, Beijing 100191, Peoples R China
2.Chinese Acad Med Sci, Inst Radiat Med, Tianjin 300192, Peoples R China
3.Peking Univ, Ctr Med & Hlth Anal, Beijing 100191, Peoples R China

Recommended Citation:
Wang, Ying,Ou, Yang-Li,Liu, Ya-Qiong,et al. Correlations of Trace Element Levels in the Diet, Blood, Urine, and Feces in the Chinese Male[J]. BIOLOGICAL TRACE ELEMENT RESEARCH,2012,145(2):127-135.
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