在生理学的微生物组研究的指导方针
Rikeish R Muralitharan1,2, Matthew Snelson3, Guillaume Meric4,5,6,7
1Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Victoria, Australia.
American journal of physiology. Renal physiology
|July 13, 2023
概括
本指南针对肠道微生物组对脏健康的研究中的关键因素,旨在弥合发现和改善患者治疗的临床应用之间的差距.
科学领域:
- 微生物学 微生物学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 基因组学就是基因组学.
背景情况:
- 肠道微生物组的研究激增,特别是关于其在脏健康和疾病中的作用.
- 该领域正在从相关性研究向使用无菌动物和便微生物群移植的因果研究发展.
- 研究发现和基于微生物组的治疗方法的临床转化之间存在很大的差距.
研究的目的:
- 识别和讨论肠道微生物组和功能在动物和临床研究中经常被忽视的关键问题.
- 为研究设计,方法和报告提供最佳实践指导,以尽量减少假阳性结果.
- 加速将微生物组研究成果转化为脏健康的有效疗法.
主要方法:
- 在动物模型 (如供应商,饮食,性别,年龄,抗生素) 中审查和综合影响肠道微生物组研究的因素.
- 确定临床研究的独特考虑因素 (例如,采样,肠道传输时间,饮食,药物,的表型).
- 关于样品处理,DNA提取和微生物DNA测序 (16S rRNA和枪甲基因组学) 的最佳实践指南.
主要成果:
- 在动物研究中确定了许多被忽视的变量 (例如,适应,子期效应,昼夜节律) 和临床研究 (例如,饮食记录,药物效应).
- 为微生物组研究方法提供标准化最佳实践建议,从采样到数据分析.
- 强调解决这些因素的重要性,以确保可靠和可重复的研究结果.
结论:
- 标准化研究设计,方法和报告对于加速将肠道微生物组研究转化为临床应用至关重要.
- 解决已确定的考虑因素将提高研究结果的可靠性,并促进开发基于新型微生物组的健康治疗方法.
- 本指南旨在弥合发现到翻译的差距,最终有利于患有病的患者.
相关概念视频
Physiology of the Genitourinary System I: Renal Blood Flow and Glomerular Filtration
39
The kidneys are vital organs responsible for regulating blood filtration, waste excretion, and fluid balance, all of which are crucial for maintaining homeostasis. Renal physiology examines renal blood flow, glomerular filtration, and urine formation, ensuring the body’s internal environment remains stable.Renal Blood FlowThe kidneys receive about 20-25% of the cardiac output, typically around 1200 mL of blood per minute in an average adult. Blood flows into the kidneys through the renal...
39
Factors Affecting Renal Clearance: Renal Impairment
123
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
123
Serum Studies: Renal Function Tests
23
Renal function tests are crucial for assessing kidney health, monitoring disease progression, and evaluating the kidneys' efficiency in waste elimination, fluid balance, and electrolyte regulation. These tests offer critical insights into kidney function, even though routine measurements may appear normal until there is a significant decline in the glomerular filtration rate or GFR. Typically, signs of kidney impairment only become evident when the GFR falls to about 50% of its normal level.
23
Renal Clearance
1.1K
The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
1.1K
Acute Kidney Injury IV: Diagnostic Studies and Prevention
36
Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
36
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


