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関連する概念動画

Robbers Cave04:49

Robbers Cave

During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension could be...
Rab Cascades01:25

Rab Cascades

Rab GTPases act in a regulated cascade during membrane fusion, helping the lipid bilayers mix. The Rab family of proteins are active when bound to GTP, and inactive when bound to GDP. Hence, they act as guanine nucleotide-dependent molecular switches. Rab-GTP recognizes and binds to long or short-range tethering proteins to capture the target vesicle. These tethers coordinate with SNAREs on the vesicle and the target membrane to assemble the trans SNARE complex that locks the mixing bilayers.
The Unfolded Protein Response01:37

The Unfolded Protein Response

The ER is the hub of protein synthesis in a cell. It has robust systems to quality control protein folding and also for degradation of terminally misfolded proteins. Under normal conditions, a small proportion of misfolded proteins that cannot be salvaged need to be transported to the cytoplasm by the ER-associated degradation or ERAD pathways. However, if the ERAD cannot handle the misfolded proteins, the cell activates the unfolded protein response or UPR to adjust the protein folding...
Reclosers and Fuses01:26

Reclosers and Fuses

Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...
Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
Regulation of the Unfolded Protein Response01:31

Regulation of the Unfolded Protein Response

Inositol-requiring kinase one or IRE1 is the most conserved eukaryotic unfolded protein response (UPR) receptor. It is a type I transmembrane protein kinase receptor with a distinctive site-specific RNase activity. As the binding mechanics of the misfolded proteins with the N-terminal domain of IRE-1 are unclear, three binding models — direct, indirect, and allosteric -- are proposed for receptor activation. Nevertheless, it is known that once a misfolded protein associates with IRE1, it...

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関連する実験動画

Updated: Jul 8, 2026

A Reproducible Cartilage Impact Model to Generate Post-Traumatic Osteoarthritis in the Rabbit
08:42

A Reproducible Cartilage Impact Model to Generate Post-Traumatic Osteoarthritis in the Rabbit

Published on: November 21, 2023

PTRFは洞窟内の穴を起動する.

Rahul Chadda1, Satyajit Mayor

  • 1National Centre for Biological Sciences, Bellary Road, Bangalore 560 005, India.

Cell
|January 15, 2008
PubMed
まとめ
この要約は機械生成です。

研究者らは,細胞シグナル伝達に不可欠な洞窟の新しい成分としてPTRFを発見しました. PTRFがなければ,カベオラは平らになり,カベオリン-1の分解につながります.

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Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel
08:29

Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel

Published on: May 14, 2018

関連する実験動画

Last Updated: Jul 8, 2026

A Reproducible Cartilage Impact Model to Generate Post-Traumatic Osteoarthritis in the Rabbit
08:42

A Reproducible Cartilage Impact Model to Generate Post-Traumatic Osteoarthritis in the Rabbit

Published on: November 21, 2023

Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel
08:29

Long-term Live-cell Imaging to Assess Cell Fate in Response to Paclitaxel

Published on: May 14, 2018

科学分野:

  • 細胞生物学 細胞生物学
  • 分子生物学は分子生物学である.
  • バイオケミストリー バイオケミストリー

背景:

  • 洞穴は,細胞の信号伝達経路に不可欠です.
  • カベオラは,プラズマ膜のフラスコ状の内膜である.
  • カベオリンタンパク質は,カベオラの重要な構造成分です.

研究 の 目的:

  • 洞窟毛皮と関連した新しいタンパク質を特定するために.
  • 洞窟形成と安定性におけるPTRFの役割を明らかにする.
  • PTRFとキャベオリン-1ダイナミクスの関係を理解するために.

主な方法:

  • 洞窟とタンパク質の局所化を視覚化するための免疫光顕微鏡.
  • タンパク質の相互作用を決定するための生化学的分析.
  • PTRFのノックダウンまたは過剰発現を含む細胞研究.

主要な成果:

  • PTRFは,洞窟膜の新成分として特定されました.
  • PTRFの欠如は,洞窟の平ら化につながります.
  • カヴェオリン-1は,平らになった洞窟から放出され,その後退化します.

結論:

  • PTRFは洞窟の構造と機能を維持する上で重要な役割を果たします.
  • PTRFは,洞窟内のカベオリン-1の安定性にとって不可欠です.
  • PTRFの障害は,洞窟の整合性に影響を及ぼすことによって,細胞シグナル伝達に影響します.