相关实验视频
Updated: Sep 10, 2025

07:32
Murine Fecal Isolation and Microbiota Transplantation
Published on: May 26, 2023
4.4K
粘膜微生物签名揭示了慢性肝病的诊断洞察力
Sadık Dinçer1, Yakup Ülger2, Anıl Delik3,4
1Faculty of Science and Literature, Division of Biology, Çukurova University, Sarıçam , 01330, Adana, Turkey.
BMC gastroenterology
|August 22, 2025
概括
慢性肝病会改变肠道微生物群,增加有害细菌,减少有益的细菌. 这项研究使用基因组学分析了CLD患者的肠道微生物转移,揭示了不同的微生物特征.
科学领域:
- 微生物学
- 胃肠病学
- 基因组学
背景情况:
- 慢性肝病导致全球数百万人死亡.
- 肠道失调和肠道透性增加与CLD进展和全身炎症有关.
- 肠道微生物群在代谢和免疫反应中起着至关重要的作用.
研究的目的:
- 分析患有CLD的患者的肠道微生物群.
- 使用结肠粘膜活检样本调查微生物组成的变化.
- 通过基因组分析识别特定于CLD的微生物特征.
主要方法:
- 从20名CLD患者和20名健康对照人群中采集了结肠粘膜活检.
- 使用16S rRNA下一代代代码测序 (NGS) 来分析肠道微生物群.
- 使用主要成分分析 (PCA) 和多样性指数分析了基因组数据.
主要成果:
- 在CLD患者和对照人群之间观察到肠道微生物组合的显著差异.
- 与对照组相比,CLD患者的蛋白质细菌增加,而Firmicutes则减少.
- 在CLD组中发现微生物丰富度降低 (α多样性) 和明显的聚类 (β多样性).
结论:
- 结核病与肠道微生物组成的显著变化有关,包括促炎性类型的增加.
- 降低有益细菌和整体微生物丰富性是CLD肠道微生物群的特征.
- 如果将基因组数据与生化标志物结合起来,可能会提高CLD的诊断策略.
更多相关视频
相关概念视频
Chronic Bowel Disorders: Introduction
540
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...
540
Serum Laboratory Studies, Stool Test, Breath Test
474
Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
474
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
200
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
200
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
419
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...
419

