鬱病における代謝失調のマルチオミクス研究:代謝相関学,加重遺伝子共同発現ネットワーク分析,メンデルのランダム化
Wu Qianhao1,2, Zhang Jinwen1,2, Miao Jingjie1,2
1Graduate School, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Frontiers in psychiatry
|August 28, 2025
まとめ
うつ病は 代謝の問題を伴う この研究では 一酸化炭素代謝や酸化ストレスなどの 重要な代謝物質と経路を特定し 高齢者のうつ病に対する 新しい治療目標を提供しました
科学分野:
- メタボロミクス
- システム生物学
- 神経科学
背景:
- 鬱病は世界の精神障害の 主な原因です
- 鬱病の病因には全身代謝不調が関係している.
- うつ病における因果代謝物とそのネットワークは,ほとんど不明である.
研究 の 目的:
- うつ病に関連した代謝物とそのメカニズムのネットワークを特定する.
- 高齢者のうつ病における代謝失調の役割を調査する.
- 治療目標の基礎としてうつ病の代謝の枠組みを確立する.
主な方法:
- 98人の中国人の高齢者における液体クロマトグラフィー/ガスクロマトグラフィー・マススペクトロメトリー (LC/GC-MS) の結合メタボロミクス
- 関連する遺伝子モジュールを特定するために加重遺伝子共同発現ネットワーク分析 (WGCNA) を適用した.
- 59,333人のうつ病患者と434,831人の対照群の全ゲノム関連研究 (GWAS) データを用いた2つのサンプルメンデルのランダム化 (MR) を利用した.
主要な成果:
- 1, 458の代謝物質が特定され,そのうち84の代謝物質がうつ病で有意に変化した.
- WGCNAはアミノ酸代謝経路を強調した.
- MRは35の因果代謝物質と,グリシン/セリン/スレオニン代謝と1炭素の葉酸循環を中心の異常経路として確認した.
- セリン欠乏症,フォスフォセリン蓄積,システイン増加, purin代謝の障害が観察され,メチル化とミトコンドリア機能障害が示唆された.
結論:
- うつ病の階層的な代謝の枠組みを確立した.
- 単一炭素代謝と酸化ストレスが 主な治療目標として優先されます
- 高齢者のうつ病におけるメチル化不調とミトコンドリア機能障害を強調した.
- うつ病に対する精密な介入のための新しいバイオマーカーを提案した.
さらに関連する動画
07:58Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression
Published on: February 24, 2023
582
08:51Author Spotlight: Integrated Multi-Omics Analysis for Unveiling Multicellular Immune Signatures in Clinical Heart Attack Cohorts
Published on: September 20, 2024
1.5K
関連する概念動画
Depression: Overview
331
Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
331
Depressive Disorders: Etiology
165
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
165
Antidepressant Drugs: MAOIs and Other Agents
340
Atypical antidepressants, including bupropion (Wellbutrin), mirtazapine (Remeron), nefazodone (Serzone), trazodone (Desyrel), and vilazodone (Viibryd), offer unique mechanisms of action. Bupropion weakly inhibits dopamine and norepinephrine reuptake, aiding depression treatment and smoking cessation, with a low risk of sexual dysfunction. Mirtazapine enhances serotonin and norepinephrine neurotransmission, leading to sedation, increased appetite, and weight gain. As a result, it helps treat...
340
Depressive Disorders: MDD and Dysthymia
208
Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
208
Regulation of Metabolism
9.8K
Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
9.8K
