人类血清白结合 (Se-HSA) 在血清中及其与其他物种的相关性
Tommaso Filippini1, Teresa Urbano2, Peter Grill3
1CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy; School of Public Health, University of California Berkeley, Berkeley, CA, USA.
概括
研究了人体血清中与白素结合的 (Se-HSA) 组成. Se-HSA水平与无机物种,特别是岩相对正相关,与有机相反,表明其主要是无机的性质.
科学领域:
- 生物化学 生物化学
- 分析化学 分析化学
- 人类营养人类营养
背景情况:
- (Se) 是一种重要的微量元素,具有多种毒理和营养影响.
- 与人血清白蛋白结合的精确化学形式 (Se-HSA) 仍然不完全理解.
- 研究Se-HSA成分对于了解代谢及其对健康的影响至关重要.
研究的目的:
- 为了阐明Se-HSA水平和总度之间的关系.
- 为了确定Se-HSA与人类血清中特定有机和无机物种的相关性.
- 为了澄清Se-HSA的性质,区分有机和无机贡献.
主要方法:
- 来自两个不同的意大利人群的血清样本被分析为总和各种物种.
- 用离子交换染色学与ICP-DRC-MS相结合用于精确量化.
- 线性回归和受限立方线模型被用来分析相关性,调整混因素.
主要成果:
- Se-HSA与无机物种,特别是化具有显著的积极关联,高达30μg/L.
- 观察到Se-HSA和有机之间存在逆相关性,特别是与蛋白P结合的 (Se-SELENOP) 和与甲结合的 (Se-Met).
- 非线性分析显示,Se-HSA与高度无机的相关性趋于稳定,与Se-SELENOP的反相关性趋于减弱.
结论:
- 研究结果表明,当循环中的无机物水平升高时,Se-HSA从无机来源,特别是矿中吸收了更多的.
- 数据支持Se-HSA的主要无机性质,特别是在高化物可用性条件下.
- 这项研究增强了我们对人类血清中的物种化及其与白结合的理解.
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