甘 bagasse arabinoxylan通过调节肠道微生物群在小鼠中缓解硫酸诱导的大肠炎
Chunhua Chen1, Qixing Nie1, Yuyang Zhong1
1State Key Laboratory of Food Science and Resources, China-Canada Joint Lab of Food Science and Technology, Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang 330047, China. spnie@ncu.edu.cn.
Food & function
|February 11, 2026
概括
甘巴加斯阿拉比诺西兰 (BGAX) 通过改善肠道健康并恢复有益的肠道细菌,有效治疗炎症性肠道疾病. 这种食纤维在治疗性结肠炎方面表现有前途.
科学领域:
- 胃肠病学 胃肠病学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 炎症性肠病 (IBD) 是一个重大的健康挑战.
- 阿拉比诺西兰是一种食纤维,对IBD有潜在的治疗益处.
研究的目的:
- 为了研究甘巴加斯阿拉比诺基兰 (BGAX) 对硫酸 (DSS) 诱导的大肠炎的保护作用.
- 在大肠炎模型中探索BGAX对肠道微生物群组成的影响.
主要方法:
- 在小鼠中诱导大肠炎使用硫酸 (DSS).
- 在接受治疗的小鼠中使用甘巴加斯阿拉比诺基兰 (BGAX).
- 评估临床症状,结肠组织学,炎症标志物和肠道微生物群组成.
主要成果:
- 在DSS诱导的大肠炎小鼠中,BGAX显著改善了体重,疾病活动指数 (DAI) 和结肠长度.
- BGAX恢复了结肠结构和杯状细胞数量,减少了炎症.
- BGAX调节肠道微生物群,增加有益的属 (例如,Roseburia,Akkermansia) 和减少有害的属 (例如,Clostridium,Enterococcus).
结论:
- 甘巴加斯阿拉比诺xylan (BGAX) 显示出对DSS诱导的大肠炎具有显著的保护作用.
- BGAX积极影响肠道微生物群组成,为IBD提供了潜在的治疗策略.
- 这些发现支持BGAX在性结肠炎患者的饮食管理中使用.
相关概念视频
Sulfate Attack on Concrete
779
Sulfate attack on concrete is a deterioration process characterized by a whitish discoloration beginning at the edges and corners, accompanied by cracking and spalling. This phenomenon occurs when sulfates react with the components of hardened concrete, forming compounds like calcium sulfate and calcium sulfoaluminate which occupy more space than the substances they replace, causing the concrete to expand and disrupt.
Sulfates from sources like soil, groundwater, or industrial effluents...
Sulfates from sources like soil, groundwater, or industrial effluents...
779
Regulation of Sodium and Potassium
2.4K
The regulation of sodium and potassium ion concentrations in the human body is a complex process governed primarily by hormones such as aldosterone, antidiuretic hormone (ADH), and atrial natriuretic peptide (ANP).
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
2.4K
Roles of Electrolytes: Sodium and Potassium
2.2K
Sodium plays a crucial role in maintaining fluid and electrolyte balance and overall bodily homeostasis. Sodium balance is primarily regulated by kidney function, which adjusts sodium elimination to match dietary intake and maintain proper electrolyte levels. Sodium is the most abundant cation in the extracellular fluid (ECF) and is found in salts such as sodium chloride (NaCl) and sodium bicarbonate (NaHCO3). Although cellular plasma membranes are relatively impermeable to sodium, its role in...
2.2K
Drugs for Treatment of Ulcerative Colitis in IBD
535
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...
535
Inflammatory Bowel Disease I: Ulcerative Colitis
1.1K
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...
1.1K
Antiepileptic Drugs: Sodium Channel Blockers
1.8K
Antiepileptic drugs are specialized medications that prevent seizures in individuals diagnosed with epilepsy. These drugs primarily function by blocking the movement of sodium ions through channels in the neuronal membrane, inhibiting the repetitive firing of action potentials often associated with seizures.
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
Sodium channel blockers modulate ion channels, particularly voltage-gated sodium channels. They block only sodium ion movement.
Among the most commonly prescribed antiepileptic drugs are...
1.8K


