Clinica Chimica Acta:先兆子痫和法布里病患者足细胞尿症研究中尿中podocalyxin和podocin的串联质谱分析

2019-09-16 不详 MedSci原创

足细胞是高度分化的内脏细胞,一些相关的特异性蛋白,如podocalyxin和podocin是评价足细胞病的潜在工具。然而,目前足细胞相关蛋白的精确定量复杂且不可靠的。

足细胞是高度分化的内脏细胞,一些相关的特异性蛋白,如podocalyxinpodocin是评价足细胞病的潜在工具。然而,目前足细胞相关蛋白的精确定量复杂且不可靠的。

本研究建立了一种反相超高效液相色谱-串联质谱联用方法,利用特异性的裂解肽和标准品定量测定尿上清中podocalyxinpodocin的含量。研究对象包括正常妊娠或高血压妊娠、妊娠期糖尿病和子痫前期患者、接受治疗和未接受治疗的法布里患者的尿液样本,以及性别匹配的对照组。

多元分析表明,患者足多糖蛋白水平高于足多蛋白水平,其中孕妇的足多糖蛋白水平尤其高。子痫前期妇女尿中这两种蛋白水平异常,对足多沙霉素敏感性较高。法布里雄鼠体内podocin的含量也略有增加,而未经治疗的法布里雌鼠体内这两种蛋白的含量都有所增加。研究建立了podocalyxinpodocin水平与法布里病和先兆子痫相关的临床参数之间的相关性。

研究表明,该方法能够准确、同时、可靠地分析podocalyxinpodocin水平,为足细胞病的诊断提供了有价值的工具。

原始出处:

Tristan MartineauMichel BoutinTandem mass spectrometry analysis of urinary podocalyxin and podocin in the investigation of podocyturia in women with preeclampsia and Fabry disease patients

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    2020-05-23 windight
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    2019-10-16 smlt2008
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    2020-04-24 kalseyzl
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    2019-09-18 jeanqiuqiu

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