慢性不眠症障害における重症度を反映する腸内細菌叢のプロファイル

Yaxi Liu^1,2, Yixian Cai¹, Xian Shi¹

¹Sleep Medicine Center, The First Affiliated Hospital of Jinan University, Guangzhou, China.

Brain and behavior

|December 31, 2025

まとめ

腸内細菌叢のシグネチャは、慢性不眠症障害（CID）の重症度によって異なる。これらの微生物プロファイルは、CIDの診断や、より良い睡眠の質のための標的治療の開発に役立つ可能性がある。

科学分野:

マイクロバイオーム研究; 睡眠科学; 医療診断

背景:

慢性不眠症障害（CID）は腸内細菌叢の変化と関連している。; 効果的な治療のためにはCIDの重症度を特定することが重要である。; 腸内細菌叢の特徴は、CIDの重症度を層別化するのに役立つ可能性がある。

研究の目的:

慢性不眠症障害（CID）の重症度を層別化するために腸内細菌叢を評価する。; さまざまなCID重症度レベルに関連する特定の微生物シグネチャを特定する。; CIDの診断と管理における腸内細菌叢の可能性を探る。

主な方法:

65人のCID患者（重症群および軽症群）と30人の健常対照群の糞便サンプルを用いた16S rRNA遺伝子シーケンシング。; 微生物構造の比較分析、LASSOおよびBorutaアルゴリズムを用いた主要な細菌属の同定。; 睡眠パラメータとの相関分析およびPICRUSt2を用いた機能経路予測。分類のためのランダムフォレストモデル。

主要な成果:

重症CID患者と健常対照群の間で、腸内細菌叢の多様性と組成に有意な違いが見られた。; 7つの主要な細菌属が睡眠パラメータと相関し、重症度別に異なる機能経路の摂動（グルタミン酸/酪酸代謝、アミノ酸分解）が観察された。; ランダムフォレストモデルは、微生物データに基づいて重症CID患者を区別する上で、中程度の精度（AUC=0.711-0.730）を示した。

結論:

慢性不眠症障害（CID）の重症度の違いは、異なる腸内細菌叢シグネチャと関連している。; これらの発見は、CIDの新規診断ツールの開発における腸内細菌叢の潜在的な役割を示唆している。; 細菌叢ベースの介入は、不眠症の重症度を管理するための新しい治療戦略を提供する可能性がある。

キーワード:

腸内細菌叢慢性不眠症睡眠の質バイオマーカー診断

さらに関連する動画

08:33

Quantitative Polymerase Chain Reaction-based Analyses of Murine Intestinal Microbiota After Oral Antibiotic Treatment

Published on: November 17, 2018

13.8K

06:23

Applying Advanced In Vitro Culturing Technology to Study the Human Gut Microbiota

Published on: February 15, 2019

14.7K

関連する概念動画

01:27

Insomnia

378

Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...

378

01:19

Management of Insomnia

498

The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...

498

01:23

Anatomy of the Intestines

86.5K

Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...

86.5K

01:29

Assessment of the Gastrointestinal System II: Health Perception Pattern

431

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:

431

01:17

Chronic Bowel Disorders: Introduction

722

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...

722

01:17

Irritable Bowel Syndrome I: Introduction

885

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...

885

関連する実験動画