在患有Peutz-Jeghers综合征的患者中,粘膜细菌和新陈代谢的改变
Sui Wang1, Guan-Jun Kou2, Xiao-Han Zhao2
1Department of Respiratory Medicine, The Second Hospital of Shandong University, Jinan, 250033, Shandong, People's Republic of China.
Gut pathogens
|April 27, 2024
概括
皮茨-杰格斯综合征 (PJS) 患者表现出肠道细菌和新陈代谢的改变. 这项研究揭示了粘膜相关微生物群和代谢物的差异,为PJS发展提供了洞察力.
科学领域:
- 胃肠病学 胃肠病学
- 遗传学 是一个遗传学.
- 微生物学 微生物学
背景情况:
- 皮茨-杰格斯综合征 (PJS) 是一种罕见的遗传疾病,与多体和癌症易感性有关.
- 关于PJS肠道微生物群的研究主要集中在便样本上,关于粘膜相关微生物群的数据有限.
- 确定PJS中的关键微生物群和代谢途径至关重要.
研究的目的:
- 分析PJS患者粘膜相关微生物群的结构和组成.
- 调查肠道微生物群疾病和代谢物改变在PJS病变中的作用.
- 探索潜在的PJS代谢生物标志物.
主要方法:
- 16S rRNA基因测序用于分析13名PJS患者和12名对照组的细菌组成.
- 对肠道微生物群的差异分析从族群到物种水平进行.
- 液体染色学-并联质谱学 (LC-MS) 在小肠粘膜中确定了差异丰富的代谢物.
主要成果:
- 与对照组相比,PJS患者表现出明显的粘膜微生物群,细菌生物多样性较低.
- 肠道粘膜微生物丰富度明显低于便微生物.
- 在PJS患者中观察到脂质,氨基酸,碳水化合物和核酸代谢途径的显著变化,与瘤发育有关.
结论:
- 这项研究首次分析了PJS中的粘膜相关微生物群和代谢物.
- 这些发现表明,了解PJS肠道微生态的潜在结构基础.
- 鉴定出的微生物和代谢变化可能有助于PJS的发展和进展.
相关概念视频
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors
393
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.
393
Peptic Ulcer Disease I: Introduction
165
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...
165
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
115
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.
115
What is Monogastric Digestion?
71.1K
The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. Several other animal species also have monogastric digestive systems, including pigs, horses, dogs, and birds. This chapter, however, focuses on the human digestive system.
71.1K


