相关实验视频
Updated: Jul 1, 2025

05:19
Surgical Models of Gastroesophageal Reflux with Mice
Published on: August 25, 2015
10.1K
孟德尔的随机化分析确定了沙科佩尼亚和胃食道逆流病之间的因果关系
Renwang Hu1,2, Can Liu3, Dan Li1,2
1Department of Gastrointestinal Surgery, Henan Provincial People’s Hospital, Zhengzhou, Henan, China.
Aging
|March 6, 2024
概括
胃食道逆流性疾病 (GERD) 越来越多地与肉类有关. 这项孟德尔随机化研究发现了sarcopenia特征之间的因果关系,比如低握力,和GERD,支持一个连接.
科学领域:
- 老年学是指老年学的学科.
- 胃肠病学 胃肠病学
- 遗传学 是一个遗传学.
背景情况:
- 胃食道逆流性疾病 (GERD) 的发病率在全球范围内正在上升,特别是随着人口老龄化.
- 之前的研究表明GERD和肉症之间存在关联,但缺乏因果关系的证据.
- 随着年龄的增长而导致的肌肉损失 - - 萨尔科佩尼亚 - - 在全球范围内构成了重大公共卫生问题.
研究的目的:
- 调查GERD和肉症之间的潜在因果关系.
- 使用孟德尔随机化 (MR) 来评估对萨科佩尼亚对GERD影响的遗传倾向.
- 确定肉症是否是GERD发展的原因因素.
主要方法:
- 采用孟德尔的随机化 (MR) 研究设计,使用来自欧洲人群的全基因组关联研究 (GWAS) 的总结级数据.
- 主要分析使用逆方差加权 (IVW) 方法来评估因果关系.
- 使用MR-PRESSO和多变量MR (MVMR) 分析以及补充MR方法确认了强度.
主要成果:
- IVW分析表明,低手握力和GERD之间存在显著的因果正相关性 (OR = 1.2358).
- 减慢步行速度与GERD有很强的因果关系 (OR = 0.1181).
- 减少尾肌肉质量 (ALM) 与GERD有因果关系 (OR = 0.8612),MR-PRESSO和MVMR证实了这一发现.
结论:
- 这项门德尔随机化研究提供了证据,支持与肉症相关的特征与GERD之间的因果关系.
- 研究结果表明,sarcopenia可能是导致GERD发展的一个因素.
- 需要进一步的研究来探索关联肌肉健康和GERD的潜在机制.
相关概念视频
Gastroesophageal Reflux Disease I: Meaning and Pathophysiology
316
Gastroesophageal Reflux Disease (GERD) involves the recurrent backflow of the stomach or duodenal contents into the esophagus, leading to troublesome symptoms and potential esophageal mucosal damage. Although GERD is often referred to as a disease, it is more accurately described as a syndrome, as it encompasses a range of symptoms and complications rather than a singular pathological entity, impacting a large number of individuals as the most prevalent upper gastrointestinal problem. Roughly...
316
Gastroesophageal Reflux Disease II: Clinical Features and Management
80
Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
80
Genome-wide Association Studies-GWAS
13.4K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
13.4K
Esophageal Strictures-I: Introduction
99
Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
99
Barrett Esophagus-I: Introduction
96
Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
96
Barrett Esophagus-II: Clinical Manifestations and Management
150
Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
150

