Clinica Chimica Acta:MALDI-TOF质谱测定糖化血红蛋白的评价

2019-12-02 MedSci MedSci原创

糖化血红蛋白(血红蛋白A1c, HbA1c)在监测糖尿病患者长期血糖水平中起着关键作用。因此,确保糖化血红蛋白检测方法的检测质量具有重要意义。

糖化血红蛋白(血红蛋白A1c, HbA1c)在监测糖尿病患者长期血糖水平中起着关键作用。因此,确保糖化血红蛋白检测方法的检测质量具有重要意义。

本研究的目的是评估用于糖化血红蛋白测量的基质辅助激光脱附/电离飞行时间质谱(MALDI-TOF MS)系统的分析性能。

研究人员评估了该方法的分析性能,包括不精确性、准确性和线性。此外,与变体II 2.0涡轮增压和Capillarys3 TERA糖化率之间的相关性的α和β球蛋白,并分析评估了在糖化血红蛋白化验最常见的影响分析的干扰。

研究结果显示,对于不精确的测量,运行中的CVs和总的CVs分别低于1.6%2.4%IFCC值赋值的外部质量控制样品检测结果差异(<0.2%),表明该方法具有较好的准确性。线性度良好,相关系数为0.999。定量结果与Turbo 2.0Capillarys3 TERA的定量结果有较好的相关性。糖化率α和β球蛋白之间的相关性良好。QuanTOF不容易受到包括胆红素、甘油三酯、不稳定的A1c和碳酰化血红蛋白等常见的干扰。但是,当HbF的量大于约8.0%或存在HbS时,就会出现不可接受的阳性偏倚。

研究结果表明,QuanTOF在测定糖化血红蛋白方面表现良好,符合临床使用的质量标准。

原始出处:

Anping XuYajun WangEvaluation of MALDI-TOF MS for the measurement of glycated hemoglobin

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    2020-08-08 windight
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    2019-12-15 daviiliu
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    2020-03-11 丁鹏鹏
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    2019-12-04 huagfeg
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    2019-12-04 zhangjingnwpu
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    2019-12-04 jeanqiuqiu

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