関連する実験動画
Updated: Feb 16, 2026
10:05
Single-cell Transcriptomic Analyses of Mouse Pancreatic Endocrine Cells
Published on: September 30, 2018
11.7K
単細胞マルチオーム分析は,ヒトの臓の分化と機能におけるNKX2.2-CLEC16A/内分体経路の重要な役割を強調しています
Guo Chen1, Xiaojie Ma1, Liling Jiang1
1Life Sciences Institute, The Second Affiliated Hospital and School of Medicine, The MOE Key Laboratory of Biosystems Homeostasis and Protection and Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Zhejiang University, Hangzhou 310058, Zhejiang, China.
Cell reports
|February 14, 2026
まとめ
研究者らは,拡張性臓原始体 (ePP) システムを特徴付け,細胞の運命を制御する遺伝子ネットワークと島の機能を明らかにした. 1型糖尿病の幹細胞モデルも開発し,潜在的な治療標的を特定した.
科学分野:
- 発達生物学 発達生物学について
- 幹細胞生物学 幹細胞生物学
- エンドクリノロジー エンドクリノロジー
背景:
- 幹細胞の分化を理解することは,再生医療にとって極めて重要です.
- 拡張性臓原始細胞 (ePP) プラットフォームは,臓の発達を研究する可能性を秘めています.
- ePPシステムの能力を理解するために,ePPシステムの詳細な特徴づけが必要である.
研究 の 目的:
- 拡張性臓の祖先島 (ePP島) システムのシステムレベルの特徴付けを行う.
- 臓の分化中にトランスクリプトミクスとクロマチンの風景を定義する.
- ePPの自己更新,内分泌細胞の運命,および小島機能を支配する遺伝子調節ネットワークを推論する.
主な方法:
- トランスクリプトミクスとクロマチンの景観のシステムレベルの分析.
- 遺伝子規制ネットワークの推論.
- CRISPR-Cas9遺伝子編集 (例えば,CLEC16Aノックアウト) によるヒト幹細胞モデルの開発.
主要な成果:
- 定義された動的および調整された,臓の微分化のトランスクリプトミクスとクロマチンの風景.
- 推論された遺伝子調節ネットワークは,ePPの自己更新,内分泌細胞運命の分岐,および小島機能を制御する.
- NKX2.2-CLEC16A/エンドソーマル経路軸を必須として特定しました.
- ヒト幹細胞ベースのモデルを開発し,1型糖尿病に関連する自己免疫性特性を示す.
- CLEC16A欠乏症の薬理学的救助剤を特定しました.
結論:
- ePP島系は,細胞運命を決定する分子メカニズムを明らかにするための強力なプラットフォームです.
- この研究は,臓の発達と機能を制御する遺伝子調節ネットワークの洞察を提供します.
- 開発された1型糖尿病モデルと特定された治療標的は,将来の応用に有望である.
関連する概念動画
01:25Compounds Essential to Human Function
10.6K
The human body is composed of cells that are fundamentally made up of several different molecules. These molecules are essential to carry out all physiological processes in the body and are broadly classified into organic and inorganic based on their chemical structures.
Inorganic Compounds Essential to Human Functioning
Inorganic compounds essential to human functioning include water, salts, acids, and bases. These compounds are inorganic, i.e., they do not have a carbon-hydrogen bond. Water...
Inorganic Compounds Essential to Human Functioning
Inorganic compounds essential to human functioning include water, salts, acids, and bases. These compounds are inorganic, i.e., they do not have a carbon-hydrogen bond. Water...
10.6K
01:17Role of ER in the Secretory Pathway
7.3K
Eukaryotic cells have a special pathway that enables communication between various intracellular membrane-bound compartments and also with the extracellular environment. This pathway is termed as the secretory pathway.
Components of the secretory pathway
About a third of proteins synthesized in the cell are sorted via the secretory route. They shuffle between different compartments in membrane-bound vesicles until they reach their final destination. The main intracellular compartments involved...
Components of the secretory pathway
About a third of proteins synthesized in the cell are sorted via the secretory route. They shuffle between different compartments in membrane-bound vesicles until they reach their final destination. The main intracellular compartments involved...
7.3K
01:28Maturation of Endosomes
6.0K
The early endosome containing internalized molecules matures through transformations in its location, morphology, intraluminal pH, and membrane protein composition. Together, these changes result in a more acidic late endosome that contains multiple intraluminal vesicles; therefore, the late endosome is also called a multivesicular body (MVB).
Changes in location
The maturing endosome moves along microtubules from the periphery of the cell towards the perinuclear region. This movement of the...
Changes in location
The maturing endosome moves along microtubules from the periphery of the cell towards the perinuclear region. This movement of the...
6.0K
01:28Role of Proteins in the Human Body
6.8K
Proteins are the building block of life. They are also the most abundant macromolecules with as many diverse roles in the body. They are part of many structural components that provide unique shapes and structures to animal cells, tissues, and organs. In addition, they also act as biological catalysts and carry out several anabolic and catabolic reactions. Notably, some proteins are chemical messengers and regulate many critical processes, such as metabolism, growth, and development. They...
6.8K
01:27Role of Water in Human Biology
14.4K
Water is the one of the most significant components of the human body; it plays a crucial role in several physiological activities because of its unique physicochemical properties. Importantly, it helps to regulate body temperature and is the chief component of several body fluids.
Water's Solvent Properties
Since water is a polar molecule with slightly positive and slightly negative charges, ions and polar molecules can readily dissolve in it. Therefore, it is referred to as a solvent, a...
Water's Solvent Properties
Since water is a polar molecule with slightly positive and slightly negative charges, ions and polar molecules can readily dissolve in it. Therefore, it is referred to as a solvent, a...
14.4K
01:28The Early Endosome: Endocytosis of Transferrin
4.9K
Essential proteins such as insulin or low-density lipoprotein (LDL) and micronutrients such as iron enter a eukaryotic cell through receptor-mediated endocytosis. Subsequently, the early endosomes fuse with the vesicles containing such receptor-ligand complexes and play a vital role in sorting the incoming ligands and receptors. While the ligands are either degraded inside the vesicle or released into the cytosol, their receptors are returned to the plasma membrane for further rounds of...
4.9K