尿路感染:脏间隔细胞保护病原体
Forough Chelangarimiyandoab1, Priyanka Mungara, Manav Batta
1Department of Physiology and Membrane Protein Disease Research Group, Faculty of Medicine & Dentistry, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada.
Journal of the American Society of Nephrology : JASN
|July 4, 2023
概括
尿路感染很常见,抗生素耐药性越来越令人担忧. 本综述探讨了收集管道间细胞如何帮助清除尿路感染,为新疗法提供了见解.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 传染性疾病 传染性疾病
背景情况:
- 尿路感染 (UTI) 非常普遍,特别是在女性中,抗生素耐药性增加需要新的治疗方法.
- 下泌尿道的防御机制是已知的,但脏收集管 (CD) 在对抗尿病原菌中的作用正在出现.
- 抗生素耐药的细菌菌株使尿路感染治疗复杂化,这强调了需要替代策略的必要性.
研究的目的:
- 审查目前关于收集管道间细胞在尿路细菌清除中的作用的知识.
- 突出收藏管对抗泌尿病原性细菌的先天免疫力的贡献.
- 基于CD的保护功能,探索潜在的治疗途径.
主要方法:
- 关于尿路感染和脏生理学的现有研究的文献综述.
- 对研究研究的分析,研究了收集管道内的先天免疫反应.
- 综合了与间隔细胞和细菌清除机制相关的发现.
主要成果:
- 收集管 (CD) 是尿路病原菌和脏之间相互作用的早期地点.
- 在CD内的间隙细胞拥有有助于细菌清除的机制.
- 了解这些天生的防御,为开发非抗生素性尿路感染治疗提供了基础.
结论:
- 收集管道,特别是其间接细胞,在对尿路感染的天生的防御中起着重要作用.
- 对CD介导细菌清除的进一步研究可以导致尿路感染的创新治疗策略.
- 针对脏的自然防御提供了一个有希望的替代传统抗生素治疗持久或耐药的感染.
相关概念视频
Urinary Tract Infection II: Pathophysiology
20
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...
20
Physiology of the Genitourinary System III: Urine Concentration and Dilution
23
The kidneys concentrate or dilute urine to maintain water and electrolyte balance. Nephrons, particularly the loop of Henle, play a crucial role in this process through the countercurrent multiplication system. This system establishes a high osmolarity in the renal medulla, which is essential for water reabsorption. In the loop of Henle’s descending limb, water is reabsorbed into the surrounding medulla due to its permeability to water. In contrast, the ascending limb actively transports...
23
Acute Pyelonephritis I: Introduction
23
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...
23
Physiology of the Genitourinary System II: Tubular Reabsorption and Secretion
43
The kidneys maintain homeostasis through filtration, reabsorption, and secretion. Tubular reabsorption and secretion are crucial in forming urine and regulating electrolytes, water balance, and waste elimination.Tubular Reabsorption and Secretion ProcessesTubular reabsorption is the process that reclaims essential substances such as electrolytes, glucose, amino acids, and water from the glomerular filtrate back into the bloodstream. This is achieved through passive and active transport...
43
Defense Mechanism Against Infection
6.7K
Natural flora, body system defenses, and inflammation are natural barriers of the body against infectious agents regardless of previous exposure. Normal floras of the human body refer to the microbial population that colonizes the skin and mucous membranes.
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
6.7K
Renal Regulation of Acid-Base Balance
522
Metabolic reactions in the body produce nonvolatile acids, such as sulfuric acid, which generate an acid load of approximately 1 mEq of H+ per kilogram of body weight daily. Excreting H+ in the urine is essential to balance this acid load.
In the kidneys, cells within the proximal convoluted tubules (PCT) and the collecting ducts secrete hydrogen ions (H+) into the tubular fluid. Specifically, in the PCT, Na+/H+ antiporters secrete H+ while reabsorbing Na+.
However, the intercalated cells in...
In the kidneys, cells within the proximal convoluted tubules (PCT) and the collecting ducts secrete hydrogen ions (H+) into the tubular fluid. Specifically, in the PCT, Na+/H+ antiporters secrete H+ while reabsorbing Na+.
However, the intercalated cells in...
522


