マルチオミックスの観点から,2型糖尿病における昼夜リズムに関連する遺伝子の役割
Journal of global health
|August 29, 2025
まとめ
シルカディアンリズム障害は2型糖尿病と関連しています この研究では,熱ショック因子1 (HSF1) が,昼夜調節によるT2DMの病原化に作用し,それを介入標的として示唆した.
科学分野:
- 遺伝学
- 代謝障害
- クロノバイオロジー
背景:
- シルカディアンリズム障害は2型糖尿病 (T2DM) とますます関連しています.
- この関連を裏付ける正確な遺伝的メカニズムは まだ不明です
- これらの遺伝的つながりを理解することは 効果的なT2DM介入の開発に不可欠です
研究 の 目的:
- 昼夜リズムに関連する遺伝子とT2DMの因果関係を調査する.
- 昼夜障害とT2DMの発達を結びつける遺伝的経路を解明する.
- T2DMの予防と治療のための潜在的な遺伝的標的を特定する.
主な方法:
- GeneCards,eQTL,mQTL,pQTLデータを統合したマルチオミックスのアプローチを使用しました.
- 概要に基づくメンデルのランダム化 (SMR) とコロカライゼーション分析を用いた.
- IEUとFinnGenのT2DMデータベースからゲノム全体の関連研究データを活用した.
主要な成果:
- T2DMにおけるメチル化 (mQTLs),遺伝子発現 (eQTLs),タンパク質発現 (pQTLs) の間の有意な相関が特定されました.
- 熱ショック因子1 (HSF1) が中心で 20の重要なメチル化部位と 13の関連遺伝子を発見した.
- cg18814314メチル化とT2DMリスクの逆相関と,HSF1発現とT2DMの正相関が観察されました.
結論:
- HSF1は,昼夜リズム調節における役割を通じて,T2DMの病原化に関与している.
- 特定のメチル化パターンとHSF1発現レベルはT2DMリスクと関連しています.
- HSF1はT2DMの早期介入戦略の潜在的な治療目標です.
関連する概念動画
Circadian Rhythms and Gene Regulation
4.1K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.1K
Genomics
37.4K
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
37.4K
Diabetes Mellitus: Type 2 and Gestational
2.9K
Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
2.9K
Diabetes Mellitus: Overview and Type I Subtype
3.2K
Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
3.2K
Pathophysiology of Diabetes
1.2K
Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
1.2K
Carbohydrate Metabolism
11.7K
Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
11.7K


