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相关概念视频

Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
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Bacterial Flora of the Large Intestine01:29

Bacterial Flora of the Large Intestine

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The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
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Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
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Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
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Other Disorders of Digestive System01:30

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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
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相关实验视频

Updated: Jun 29, 2025

Therapeutic Evaluation of Fecal Microbiota Transplantation in an Interleukin 10-Deficient Mouse Model
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肠道微生物群和胆道系统疾病

Hua Wang1, Junfeng Gong2, Jingyi Chen3

  • 1Department of Health, The Chinese People's Armed Police Forces Anhui Provincial Corps Hospital, Hefei, China.

Frontiers in cellular and infection microbiology
|April 1, 2024
PubMed
概括

肠道细菌的变化与胆道疾病,如胆结石和癌症有关. 这项研究强调了特定的细菌转变,为早期诊断提供了潜在的生物标志物,并为这些日益增长的健康问题提供了新的治疗方向.

关键词:
胆道癌症是胆道癌症.胆结石 胆结石 胆结石微生物社区的微生物社区.一次性胆道胆道炎.一次性硬化性胆道炎.

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科学领域:

  • 胃肠病学 胃肠病学
  • 微生物学 微生物学
  • 在瘤学瘤学.

背景情况:

  • 胆道系统疾病在全球范围内日益增加,造成严重的健康负担.
  • 这些疾病的确切原因和机制在很大程度上是未知的.
  • 肠道微生物群在胆道脂质代谢中发挥作用,影响胆道健康.

研究的目的:

  • 在各种胆道疾病中系统地审查和比较肠道微生物群的变化.
  • 为了确定潜在的微生物生物标志物,用于早期诊断胆道疾病.
  • 探索针对胆道疾病的肠道微生物群的新型治疗策略.

主要方法:

  • 对研究的系统性文献综述,截至2023年11月.
  • 搜索的数据库:PubMed,Embase和科学网. 搜索的数据库:PubMed,Embase和科学网.
  • 专注于胆结石 (GS) 中的肠道微生物群,非结算性胆道炎症和胆道癌症 (BTC).

主要成果:

  • 在GS,原发性硬化胆管炎 (PSC),原发性胆管炎 (PBC) 和BTC中观察到Faecalibacterium属的丰度减少.
  • 在PSC,PBC和BTC中增加了Veillonella,Lactobacillus,Streptococcus和Enterococcus属的丰富性.
  • 在不同胆道疾病中Clostridium属丰度的变量变化 (减少GS,PBC,BTC;增加PSC).

结论:

  • 肠道微生物组成的显著变化与各种胆道疾病有关.
  • 特定的细菌属显示出作为生物标志物的潜力,用于早期检测胆道系统疾病.
  • 了解这些微生物转变为开发针对胆道疾病的向治疗提供了新的途径.