肠道微生物群的纵向试点评估,比较患有和没有慢性病的患者
Shirin Pourafshar1, Binu Sharma1, Jenifer Allen2
1Department of Medicine, University of Virginia School of Medicine, Charlottesville, Virginia.
概括
肠道微生物组的组成在慢性病 (CKD) 中不同. 特定的细菌,如Collinsella和Veillonella在CKD患者中更为丰富,提供潜在的治疗点.
科学领域:
- 微生物学 微生物学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 代谢疾病 代谢疾病
背景情况:
- 肠道微生物群在糖尿病和高血压等代谢疾病中发挥着作用.
- 它在慢性病 (CKD) 中的作用尚不清楚.
研究的目的:
- 描述患有和没有慢性病 (CKD) 的个体的肠道微生物群.
- 调查季节性对肠道微生物群组成的影响.
主要方法:
- 包括24名成年家庭夫妇在内,CKD定义为eGFR<60mL/min/1.73m2或ACR≥30mg/g.
- 便样本和饮食回忆是在一年内季节性收集的.
- 用16S rRNA和元基因组测序分析了肠道微生物群.
主要成果:
- 十名参与者 (42%) 患有CKD.
- 在CKD和非CKD组之间没有观察到α或β多样性的显著差异.
- 包括Collinsella和Veillonella在内的特定细菌属在CKD患者中更为丰富,而Lachnoclostridium等其他细菌则不那么丰富.
结论:
- 确定了与CKD相关的候选肠道微生物种群.
- 肠道微生物群的高个体稳定性表明,较少的采样可能足以用于未来的研究.
相关概念视频
Chronic Kidney Disease I: Introduction
Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
Chronic Kidney Disease II: Clinical Manifestations
Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
Chronic Kidney Disease III: Interprofessional Care
Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
Development of Human Microbiota
The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
Microbiota of the Urogenital Tract
The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...
Microbiota Modulation by Antibiotics
Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...


