相关实验视频

Updated: Jan 8, 2026

Perturbations of Circulating miRNAs in Irritable Bowel Syndrome Detected Using a Multiplexed High-throughput Gene Expression Platform

Perturbations of Circulating miRNAs in Irritable Bowel Syndrome Detected Using a Multiplexed High-throughput Gene Expression Platform

Published on: November 30, 2016

综合的多组和症状聚类揭示了肠-大脑相互作用异质性的下胃肠道疾病

Jarrah M Dowrick^1,2, Nicole C Roy^2,3,4, Caterina Carco^2,4,5,6

¹Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand.

|December 23, 2025

概括

机器学习通过整合症状和生物数据,识别了肠-大脑相互作用 (DGBI) 障碍的不同患者亚型. 这种多模式方法揭示了隐藏的患者异质性,改善了DGBI分类,超出了基于症状的方法.

科学领域:

胃肠病学胃肠病学
计算生物学计算生物学
机器学习机器学习

背景情况:

罗马IV肠-大脑相互作用障碍 (DGBI) 表现出不稳定性和治疗反应不佳,这表明潜在的患者异质性.
由于患者的变化,目前的分类方法可能无法完全捕捉DGBI的复杂性.

研究的目的:

应用综合的多式联络集群分析,以确定下胃肠DGBI内的同质患者亚群.
探索结合症状和多原子数据的潜力,以更细致地了解DGBI.

主要方法:

利用来自健康对照组和DGBI患者的综合症状和多组数据的无监督机器学习 (集群分析).
通过引导测试评估了集群稳定性,并对生物特征进行了功能丰富分析.
研究了干扰氨处理和新陈代谢作为特定DGBI集群中的潜在病理生理学.

主要成果:

综合集群识别了DGBI亚型,这些亚型通过单一的数据模式 (仅仅是症状或omics) 无法显现.
集群稳定性分析证实了确定的子群体的稳定性.
功能性丰富性分析表明,在DGBI患者的一个子组中,氨处理的调节失调.

结论:

综合症状和多组组集群分析提供了一个优越的方法来分类DGBI与仅症状方法相比.
这种多模式策略揭示了患者的异质性,这对于理解DGBI病理生理学至关重要.
破坏氨代谢是特定DGBI患者子组的潜在目标.

关键词:

集群分析就是对集群进行分析.肠-大脑相互作用的障碍.功能性便秘功能性便秘功能性腹功能性腹刺激性肠综合征是什么意思代谢生物组的代谢生物组转基因组学是指转基因组学.无监督的机器学习

更多相关视频

A Gut-on-a-Chip Model to Study the Gut Microbiome-Nervous System Axis

A Gut-on-a-Chip Model to Study the Gut Microbiome-Nervous System Axis

Published on: July 28, 2023

Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice

Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice

Published on: February 3, 2016

相关概念视频

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:

Irritable Bowel Syndrome I: Introduction

Irritable Bowel Syndrome I: Introduction

Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...

Assessment of the Gastrointestinal System II: Health Perception Pattern

Assessment of the Gastrointestinal System II: Health Perception Pattern

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:

Chronic Bowel Disorders: Introduction

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...

Assessment of the Gastrointestinal System I: Subjective Data

Assessment of the Gastrointestinal System I: Subjective Data

Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems...

Gastrointestinal Motility Disorders

Gastrointestinal Motility Disorders

Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...