在儿科非酒精性脂肪肝疾病中食后胆酸的动态模式
Jiating Huang1, Hu Lin1, A-Na Liu1
1Department of Endocrinology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China.
概括
在口服葡萄糖耐受性测试 (OGTT) 中胆汁酸 (BAs) 的动态变化显示了儿科非酒精性脂肪肝疾病 (NAFLD) 的明显模式. 像CDCA和THCA这样的特定BA物种显示出在儿童中诊断NAFLD的生物标志物的潜力.
科学领域:
- 内分泌学 在内分泌学.
- 代谢综合征是代谢综合征的一种.
- 肝病学 肝病学是一种肝病学.
背景情况:
- 胆汁酸 (BAs) 是调节脂质和葡萄糖代谢的关键信号分子.
- 不调节BA有助于非酒精性脂肪性肝病 (NAFLD) 的发展.
- 静态BA档案可能错过了NAFLD的关键病原学方面.
研究的目的:
- 在患有NAFLD的儿童的口服葡萄糖耐受性测试 (OGTT) 期间调查血清BA的动态变化.
- 为了确定儿童NAFLD的潜在BA生物标志物.
主要方法:
- 招募了230名儿童 (NAFLD,超重/肥胖,健康对照).
- 在OGTT期间量化血清BA,C4和FGF19.
- 评估肝脏,脂质和葡萄糖代谢的临床标志物.
主要成果:
- 结合BAA增加,未结合BAA降低后葡萄糖.
- 大多数BA在NAFLD中表现出模糊的反应,除了特定的CDCA和CA物种.
- 在NAFLD中,初级BA增加,二次BA减少.
- CDCA和THCA动态与葡萄糖,胰岛素和c-水平相关.
- CDCA与肝脏脂肪含量积极相关.
- GCDCA,CDCA和THCA显示出作为儿科NAFLD生物标志物的潜力.
结论:
- 在OGTT期间动态BA分析提供了对儿科NAFLD的新见解.
- CDCA和HCA物种的变异与肝功能障碍,脂质不良和血糖不良有关.
- 特定的BA物种代表了NAFLD有前途的诊断和治疗点.
相关概念视频
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
Pharmacokinetics in Pediatric Patients: Drug Metabolism
In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...
Chronic Pancreatitis II: Pathophysiology
Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...


