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循环 microRNA 是胆道闭锁的生物标志物。

Circulating microRNA is a biomarker of biliary atresia.

机构信息

Division of Gastroenterology and Nutrition, Department of Pediatrics, University of Pennsylvania School of Medicine, Children's Hospital of Philadelphia Research Institute, Philadelphia, PA 19104, USA.

出版信息

J Pediatr Gastroenterol Nutr. 2012 Oct;55(4):366-9. doi: 10.1097/MPG.0b013e318264e648.

Abstract

OBJECTIVE

The lack of reliable noninvasive diagnostic biomarkers of biliary atresia (BA) results in delayed diagnosis and worsened patient outcome. Circulating microRNAs (miRNAs) are a new class of noninvasive biomarkers with encouraging diagnostic utility.

METHODS

We examined the ability of serum miRNAs to distinguish BA from other forms of neonatal hyperbilirubinemia. BA-specific serum miRNAs were identified using a microfluidic array platform and validated in a larger, independent sample set.

RESULTS

The miR-200b/429 cluster was significantly increased in the sera of patients with BA relative to infants with non-BA cholestatic disorders.

CONCLUSIONS

Circulating levels of the miR-200b/429 cluster are elevated in infants with BA and have promising diagnostic clinical performance.

摘要

目的

胆道闭锁(BA)缺乏可靠的无创性诊断生物标志物,导致诊断延迟和患者预后恶化。循环 microRNAs(miRNAs)是一类新的无创性生物标志物,具有令人鼓舞的诊断效用。

方法

我们研究了血清 miRNAs 区分 BA 与其他新生儿高胆红素血症的能力。使用微流控芯片平台鉴定 BA 特异性血清 miRNAs,并在更大的独立样本集中进行验证。

结果

与非 BA 胆汁淤积性疾病的婴儿相比,BA 患者血清中的 miR-200b/429 簇显著升高。

结论

BA 婴儿循环 miR-200b/429 簇水平升高,具有有前景的诊断临床性能。

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