便中的α1-抗素分泌是否是一种可靠的蛋白质损失肠病的查测试?
Lancet (London, England)
|December 1, 1979
概括
便样本中的α1-抗素 (AAT) 可能无法可靠地检测肠道蛋白质损失. 一项研究发现AAT水平与蛋白质丧失肠病的标准测试之间的相关性很差.
科学领域:
- 胃肠病学 胃肠病学
- 临床生物化学 临床生物化学
- 诊断医学 诊断医学 诊断医学
背景情况:
- 肠道蛋白质损失是一个重要的临床问题.
- 阿尔法1-抗素 (AAT) 已被提出作为蛋白质丧失肠病 (PLE) 的非侵入性标记物.
研究的目的:
- 评估便AAT估计的可靠性,作为肠道蛋白质损失的指数.
- 在疑似PLE的患者中,将便AAT水平与验证的标记物 (51Cr-albumin) 进行比较.
主要方法:
- 招募了20名怀疑患有蛋白质丧失肠病的成年患者.
- 便样本被分析为α1-抗素度.
- 同时,测量了便中的51Cr-albumin损失,以评估肠道蛋白质损失.
主要成果:
- 在便中AAT度和测量51Cr-专蛋白便损失之间观察到的相关性很差.
- 这表明便中的AAT水平并不准确地反映了肠道中蛋白质损失的程度.
结论:
- 便α1-抗素估计可能不是一个有效或可靠的查测试蛋白质丧失肠病.
- 可能需要进一步的研究来确定更准确的肠道蛋白质损失的非侵入性标记物.
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