在炎症性肠病中的细菌细胞外囊的治疗潜力和转化挑战
Nicholas H Pirolli1,2, Jean-Pierre Raufman3,4,5,6, Steven M Jay1,2,6,7
1Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA.
Inflammatory bowel diseases
|May 13, 2025
概括
细菌细胞外囊泡 (BEVs) 显示出作为治疗炎症性肠病 (IBD) 的益生菌更安全,更一致的替代品. 对于临床翻译,需要进一步的研究.
科学领域:
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
- 微生物学 微生物学
背景情况:
- 炎症性肠病 (IBD),包括性结肠炎 (UC) 和克罗恩病 (CD),影响全球数百万,由免疫,环境和遗传因素驱动.
- 益生菌,特别是乳酸细菌 (LAB),已经显示出潜力,但由于生存能力和患者异质性,其有效性不一致.
- 细菌细胞外囊泡 (BEVs) 提供了一种新的治疗方法,在没有活益生菌的限制的情况下提供生物活性载荷.
研究的目的:
- 审查目前支持细菌细胞外囊泡 (BEVs) 作为炎症性肠病 (IBD) 的治疗策略的证据.
- 讨论BEV疗法的临床转化在IBD和诸如死角 enterokolitis (NEC) 等相关疾病中的挑战和未来方向.
主要方法:
- 文献综述总结了IBD治疗的BEV研究.
- 对BEV属性的分析,包括生物活性载荷和免疫调节能力.
- 讨论临床翻译障碍和潜在应用.
主要成果:
- BEVs通过调节免疫和环境因素来对IBD具有治疗潜力,类似于益生菌,但具有更好的生存能力和安全性.
- BEVs代表了活益生菌的有希望的替代品,解决了不一致的疗效和患者异质性的问题.
- 治疗潜力扩展到诸如死性肠球炎 (NEC) 等疾病,原因是与IBD共享的病理生理学.
结论:
- 细菌细胞外囊泡 (BEVs) 是炎症性肠病 (IBD) 的一个有前途的无细胞治疗替代方案.
- 克服生产,标准化和交付方面的挑战对于BEVs的临床转化至关重要.
- 在治疗IBD和相关胃肠道疾病方面,BEV具有显著的潜力,需要进一步研究.
相关概念视频
Inflammatory Bowel Disease IV: Pharmacological Management
124
Upon diagnosis, managing Inflammatory Bowel Disease (IBD) involves addressing several crucial aspects. The primary goals include resting the bowel, correcting malnutrition, and providing symptomatic relief. Resting the bowel may consist of medications to reduce inflammation and promote healing. Correcting malnutrition is essential, often requiring dietary adjustments and nutritional supplements. Symptomatic relief aims to ease pain, diarrhea, and other discomforts in IBD.
Pharmacologic...
Pharmacologic...
124
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
120
Tumor Necrosis Factor (TNF), a proinflammatory cytokine, contributes significantly to the inflammation seen in Crohn's disease. It exists as soluble TNF and membrane-bound TNF, with actions mediated through TNF receptors (TNFR). TNFR activation leads to the release of proinflammatory cytokines, T-cell activation, collagen production, and leukocyte migration, all contributing to inflammation in Crohn's disease. Anti-TNF monoclonal antibodies, namely infliximab (Remicade), adalimumab...
120
Inflammatory Bowel Disease V: Surgical Management
134
Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Here are some common surgical interventions for IBD:
134
Inflammatory Bowel Disease I: Ulcerative Colitis
160
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...
160
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
331
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...
331
Inflammatory Bowel Disease II: Crohn's Disease
206
Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
206


