肠道微生物群与胃潰瘍疾病,特别是胃潰瘍和十二指腸潰瘍之间的关联:一项两样本的门德尔随机化研究
Zhenhua Dong1, Kai Yu2, Yuchao Xin3
1Department of Gastric and Colorectal Surgery, The First Hospital of Jilin University Changchun, Jilin, China.
Frontiers in microbiology
|January 26, 2024
概括
这项研究使用了门德尔的随机化来研究肠道微生物群 (GM) 与胃病 (PUD) 之间的联系. 发现某些肠道细菌对胃 (GU) 和十二指肠 (DU) 有因果影响.
科学领域:
- 微生物组研究的研究.
- 胃肠病学 胃肠病学
- 遗传学 遗传学 是一个
背景情况:
- 观察性研究表明,肠道微生物群 (GM) 与胃潰瘍疾病 (PUD) 之间存在联系,包括胃潰瘍 (GU) 和十二指腸潰瘍 (DU).
- 转基因和PUD之间的因果关系尚不清楚.
研究的目的:
- 研究肠道微生物群与发展胃 (GU) 和十二指肠 (DU) 的风险之间的潜在因果关系.
主要方法:
- 一个双样本的门德尔随机化 (MR) 研究是使用来自MiBioGend和FinnGen数据库的数据进行的.
- 在两个显著性值 (P < 5 × 10-8 和 P < 1 × 10-5) 上,单核酸多态 (SNP) 被用作仪器变量 (IV).
- 使用逆方差权衡 (IVW) 来评估因果关系.
主要成果:
- 在P < 1 × 10-5,特定的肠道细菌如Clostridiaceae1,Butyriccoccus和Peptococcus与增加GU风险有关,而LachnospiraceaeUCG004和MollicutesRF9则显示出保护作用.
- 对于DU,包括Lentisphaeria,Negativicutes和Clostridiaceae1在内的几种细菌系与风险增加有关,而Catenibacterium,Escherichia.Shigella,LachnospiraceaeUCG008和Sutterella表现出保护作用.
- 在更严格的值 (P < 5 × 10-8),没有发现转基因对GU或DU的显著因果影响.
结论:
- 两样MR分析提供了特定肠道微生物组成与胃 (GU) 和十二指肠 (DU) 的发展之间的因果关系的证据.
- 需要进一步的研究来阐明这些肠道微生物群与的关联背后的机制.
相关概念视频
01:30Peptic Ulcer Disease I: Introduction
168
Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
168
01:24Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors
430
Peptic ulcer disease, commonly called PUD, represents a multifaceted condition characterized by disruptions in the lining of the gastrointestinal (GI) tract. Central to the protection of the gastrointestinal lining is the mucosal-bicarbonate barrier. This physiological defense mechanism is a formidable shield against the corrosive effects of gastric acid and pepsin secretion in the stomach. Its role is pivotal in maintaining the structural integrity of the stomach's inner lining.
430
01:28Peptic Ulcer Disease II: Pathophysiology
427
Peptic Ulcer Disease (PUD) is characterized by the development of ulcers in the stomach or duodenal mucosa. Its pathophysiology is complex, involving a balance between damaging and protective elements.
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
427
01:22Pathophysiology of Peptic Ulcer Disease: Injurious Factors
592
Peptic ulcers are sores on the stomach's inner lining and the upper small intestine, which are the result of disruptions in the mucosal layer that houses parietal cells which produce gastric acid, and chief cells which secrete pepsinogen.
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds...
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds...
592
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
124
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
124
01:26Peptic Ulcer Disease IV: Management
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Medical treatment strategies for peptic ulcers encompass various methods. The primary goal of treatment is to diminish gastric acidity and strengthen mucosal defense mechanisms.
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current...
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current...
93