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Qianjun Zhuang¹, Niandi Tan¹, Xun Hou²

¹Department of Gastroenterology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China.

Neurogastroenterology and motility

|March 11, 2025

概括

在阿喀拉西亚中神经发生受损,肠道神经前体细胞 (ENPC) 和轴突内化减少. 神经发生的状态因阿喀拉西亚亚型而异,这表明有不同的疾病机制.

科学领域:

胃肠病学胃肠病学
神经科学是一个神经科学.
病理学病理学病理学

背景情况:

阿哈拉西亚是一种神经退行性疾病,影响食道下 (LES).
肠神经前体细胞 (ENPCs) 对于神经生成至关重要,但它们在阿喀拉西亚中的作用尚不清楚.

研究的目的:

为了研究神经发生状态在LES的achalasia患者.
探索ENPCs在阿喀拉西亚病原发生中的作用.

主要方法:

检查了来自59名阿喀拉西亚患者和19名对照者的LES样本.
使用双标签的免疫光学来评估ENPCs (Nestin) 和轴突内置 (PGP9.5,nNOS).
与临床变量和阿哈拉西亚亚型相关的发现.

主要成果:

在阿喀拉西亚患者中减少了Nestin阳性ENPC和轴突内化 (PGP9.5,nNOS).
恩斯阳性细胞与轴突内置相关,支持它们在神经发生中的作用.
亚哈拉西亚亚型表现出不同的神经发生特征:类型2有严重的损失,类型1保留了ENPC,但失去了成熟的轴突.

结论:

神经生成在阿喀拉西亚中通常受损.
亚型中神经发生的不同状态表明,每种类型的阿喀拉西亚都有不同的病理生理机制.

关键词:

亚喀拉西亚亚喀拉西亚是亚喀拉西亚的一个地区.肠道神经前体细胞神经发生神经发生.

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Esophageal Achalasia

Esophageal Achalasia

Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide (VIP)...