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近年来，人们发现神经肽Ｙ（ＮＰＹ）与肝脏疾病有密切关系［１，２］。正常肝组织中ＮＰＹ阳性神经纤维分布于门脉系统周围，在肝小叶中ＮＰＹ阳性神经纤维沿肝窦状隙行走，肝硬化时肝纤维化间隔中ＮＰＹ神经纤维显著增多，说明ＮＰＹ神经纤维的改变与肝硬化时病理生理变化有
In recent years, it was found that neuropeptide Y (NPY) and liver disease are closely related [1,2]. NPY-positive nerve fibers in normal liver tissue distributed around the portal system, NPY-positive nerve fibers in the hepatic lobule walking along the sinusoidal gap, liver fibrosis during liver cirrhosis interval NPY nerve fibers was significantly increased, indicating changes in NPY nerve fibers With cirrhosis pathophysiological changes are