相关实验视频
Updated: Jan 6, 2026

04:01
Transurethral Instillation Procedure in Adult Male Mouse
Published on: November 2, 2017
17.0K
超出膀:大肠杆菌尿路感染驱动全身炎症和RANKL介导的骨质再吸收
Redha Dawud Abd Alredha1, Krarr Haider Haddawi2, Hussein Sattar Rebat Alzerfi1
1Department of Medical Laboratory Techniques, College of Health and Medical Techniques/Kufa, Al_Furat Al_Awsat Technical University, Al-Kufa, Iraq.
Irish journal of medical science
|September 25, 2025
概括
由大肠杆菌引起的经常性尿路感染 (rUTIs) 与维生素D缺乏和通过炎症导致的骨质损失有关. 由于IL-6/RANKL通路,RUTI的管理应考虑骨健康.
科学领域:
- 骨质免疫学 骨质免疫学
- 微生物学 微生物学
- 内分泌学 在内分泌学.
背景情况:
- 经常性尿路感染 (rUTIs) 的系统性炎症可能会对骨代谢产生负面影响.
- 在RUTI患者中,研究维生素D,炎症和骨循环之间的相互作用至关重要.
- 在RUTI中区分大肠杆菌和非大肠杆菌病原体,可以了解不同的病理生理机制.
研究的目的:
- 探索维生素D状况,炎症标志物和骨周转标志物在RUTI患者之间的关系.
- 为了比较患有大肠杆菌诱导的RUTI和患有非大肠杆菌病原体诱导的RUTI的患者之间的这些参数.
- 阐明特定的炎症性细胞因子和骨重塑标记物的作用,在大肠杆菌和非大肠杆菌RUTIs的背景下.
主要方法:
- 一项涉及50名RUTI患者 (25名大肠杆菌,25名非大肠杆菌) 的横截面研究.
- 对血清25-氧维生素D,IL-6,TNF-α,RANKL和CTX-I的测量.
- 统计分析包括组比较,相关性,ROC曲线分析和多重线性回归.
主要成果:
- 与非大肠杆菌组相比,大肠杆菌组的维生素D水平较低,IL-6,RANKL和CTX-I水平较高 (p < 0.001).
- 维生素D水平与RANKL相反相关 (r = -0.593).
- IL-6和RANKL是CTX-I的独立预测因子,解释了60%的差异 (R2 = 0.60).
结论:
- 大肠杆菌的RUTIs与维生素D缺乏和通过IL-6/RANKL通路的炎症驱动的骨再吸收有关.
- 这些发现强调了常见细菌感染的骨免疫学影响.
- 骨健康应该是管理经常性尿路感染患者的关键考虑因素.
相关概念视频
Urinary Tract Infection II: Pathophysiology
521
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
521
Urinary Tract Infection I: Introduction
507
Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
507
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations
345
Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
345
Acute Pyelonephritis I: Introduction
421
Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
421
Inflammatory Bowel Disease I: Ulcerative Colitis
844
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...
844
Inflammatory Bowel Disease II: Crohn's Disease
909
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...
909

