[WITHDRAWN] Serum biomarkers of liver fibrosis identify changes in striatal metabolite levels.

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The full text of this preprint has been withdrawn by the authors due to author disagreement with the posting of the preprint. Therefore, the authors do not wish this work to be cited as a reference. Questions should be directed to the corresponding author.

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肝纤维化的血清生物标志物可识别纹状体代谢物水平的变化。
在肝硬化中进行的1H磁共振波谱(MRS)显示出一致的CNS变化,例如谷氨酸(Glu)+谷氨酰胺(Gln)的组合共振(Glx)的高水平以及相对于总肌酸(tCr)的含胆碱化合物(Cho)和肌肌醇(mI)的低水平。然而,丙型肝炎病毒(HCV)感染的研究发现,tCr、Cho和mI的水平高于对照组。在这里,评估了肝纤维化的血清标志物,以确定它们是否会区分纹状体、小脑和脑桥中的神经代谢产物。天冬氨酸氨基转移酶与血小板比值指数(APRI)>0.7在9.0%(n=13)的队列中发现肝纤维化;纤维化评分(FIB4)>1.5在32.4%(n=34)的人群中确定了肝纤维化。APRI>0.7的患者纹状体tCr(p=0.001)和Cho(p=0.003)水平较高。同样,FIB>1.5的患者纹状体Cho水平较高(p=0.01)。包括变量APRI>0.7HCV在内的多元回归解释了16.5%的纹状体Cho方差,并由APRI驱动。同样地,FIB4相对于HCV解释了纹状体Cho的更多变化。较高的纹状体Cho水平与苍白球信号强度呈正相关(r=.18,p=.04)。此外,较高的苍白球T1信号与闭眼时更大的站立平衡不稳定性有关(r=-22,p=.008),这些结果表明,纹状体Cho和基底节T1信号强度的升高与肝纤维化的存在和功能后果有关。
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