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Anatomy of the Intestines01:23

Anatomy of the Intestines

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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
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
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Irritable Bowel Syndrome I: Introduction01:17

Irritable Bowel Syndrome I: Introduction

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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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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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Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

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Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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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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Renewal of Intestinal Stem Cells01:23

Renewal of Intestinal Stem Cells

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The intestinal epithelial lining rapidly renews every 4 to 5 days. The renewal is facilitated by intestinal stem cells (ISCs) located at the base of the crypt– a gland located at the bottom of each villus. ISCs divide asymmetrically to form new stem cells and progenitor daughter cells. The daughter cells are called transit-amplifying (TA) cells which move upwards along the crypt and either differentiate into absorptive cells– the enterocytes or secretory cells– including the...
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相关实验视频

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An Intestinal Gut Organ Culture System for Analyzing Host-Microbiota Interactions
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肠道之间的协会肠道之间的协会

Juan Liu1, Liang Zhou1, Lili Sun1

  • 1Department of Endocrinology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, 213164, People's Republic of China.

Diabetes, metabolic syndrome and obesity : targets and therapy
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PubMed
概括
此摘要是机器生成的。

在脆性糖尿病 (BDM) 患者中减少Prevotella copri与增加的血糖波动有关. 这一发现表明肠道细菌与BDM的血糖变化之间存在联系,影响糖尿病管理.

关键词:
普雷沃特拉·科普里 (Prevotella copri) 是一个古老的植物.易碎的 糖尿病 糖尿病个案控制研究研究.血糖的变异性 血糖的变化2型糖尿病是什么?

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科学领域:

  • 微生物组研究的研究.
  • 转基因组学是指转基因组学.
  • 糖尿病是一种糖尿病.

背景情况:

  • 肠道微生物群的组成与2型糖尿病的发病有关.
  • 肠道Prevotellacopri和血糖波动在脆性糖尿病 (BDM) 之间的关系还不清楚.

研究的目的:

  • 为了研究肠道Prevotella copri丰富度和BDM患者的血糖波动之间的相关性.
  • 为了比较BDM和非脆性2型糖尿病 (NBT2DM) 患者之间的肠道微生物组成.

主要方法:

  • 病例控制研究比较BDM和NBT2DM患者.
  • 便样本的甲基因组学分析,以评估肠道微生物组合.
  • 在Prevotella copri丰度和血糖变化指标 (例如血糖标准偏差) 之间的相关性分析.

主要成果:

  • 在BDM和NBT2DM组之间肠道微生物群β多样性的显著差异.
  • 在BDM患者中,细菌群Bacteroidetes和Prevotella copri的丰度较低.
  • 在BDM患者中,Prevotella copri丰度和血糖标准偏差 (SDBG) 之间的反相关性.

结论:

  • 在BDM患者中,肠道Prevotella copri丰度下降与血糖波动增加有关.
  • 普雷沃特拉·科普里 (Prevotella copri) 可能在易碎的糖尿病中观察到的血糖变异性中发挥作用.