饮用水温度通过调节肠道屏障功能和重塑肠道微生物群组成,影响DSS诱导的性结肠炎的发病性
Huiting Wang1,2,3, Yiheng Yang4, Tianyu Li1,2,3
1Department of Endocrinology, Nanjing Drum Tower Hospital, China Pharmaceutical University, Nanjing, China.
概括
在大肠炎小鼠模型中,饮用0°C的水显著降低了炎症,改善了肠道健康. 相反,40°C的水会使结肠炎恶化,强调水温是治疗性结肠炎的新因素.
科学领域:
- 胃肠病学 胃肠病学
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
背景情况:
- 性结肠炎 (UC) 受饮食和饮酒习惯等环境因素的影响.
- 饮用水温度对UC病变的影响还没有得到充分研究.
- 现有的研究集中在与饮食有关的营养不良,忽视了水温的作用.
研究的目的:
- 为了研究饮用水温度对性结肠炎 (UC) 病原体的影响.
- 探索水温影响UC的基本机制.
- 确定饮用水温度是否可以成为UC的新治疗策略.
主要方法:
- 用大肠炎小鼠模型来评估慢性饮用水温度 (0°C,25°C,40°C) 的影响.
- 监测了消化道内的内部体温变化.
- 分析了肠道微生物组成,粘膜屏障完整性和短链脂肪酸水平.
主要成果:
- 0°C饮用水表现出显著的抗炎作用,并保持了粘膜屏障的完整性.
- 0°C的水将肠道微生物群转移到有益的形状,增加了蓝菌和菌,以及短链脂肪酸.
- 饮用40°C的水加剧了结肠炎,对微生物群和屏障功能产生了负面影响,而25°C的水显示易发炎的微生物群.
结论:
- 饮用水温度是调节大肠炎进展的新型环境因素.
- 慢性消费0°C的水可通过减少炎症和改善肠道微生物群来减轻UC的严重程度.
- 修改饮用水温度为UC管理提供了一种安全,方便和潜在的有效的非侵入性方法.
相关概念视频
Inflammatory Bowel Disease I: Ulcerative Colitis
99
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...
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...
99
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors
323
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.
323
Drugs for Treatment of Ulcerative Colitis in IBD
110
Ulcerative colitis is a chronic inflammatory condition primarily affecting the colon and rectum. The primary drugs used in the treatment of ulcerative colitis are aminosalicylates. They exhibit anti-inflammatory and immunosuppressive properties. They modulate inflammatory mediators and inhibit the activity of nuclear factor κB (NF-κB). Aminosalicylates also reduce inflammation by inhibiting prostaglandin and leukotriene production and decreasing neutrophil chemotaxis and superoxide...
110
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
259
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
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
259
Peptic Ulcer Disease I: Introduction
106
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...
106
Chronic Bowel Disorders: Introduction
345
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...
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...
345


