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関連する概念動画

Mitochondria01:37

Mitochondria

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Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
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Delivery Pathways to the Lysosome01:36

Delivery Pathways to the Lysosome

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Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
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Autophagy01:27

Autophagy

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Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
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Autophagic Cell Death01:18

Autophagic Cell Death

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Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
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Cellular Adaptation I: Introduction and Atrophy01:23

Cellular Adaptation I: Introduction and Atrophy

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Cells can adapt to environmental changes to maintain function and avoid injury, a process called cellular adaptation. Adapted cells exist in a reversible intermediate state with changes in size, number, phenotype, metabolism, or function. These responses help cells meet altered physiological or pathological demands; for example, enlargement of breast and uterine tissues during pregnancy. Early adaptations may enhance function, but persistent stress eventually causes tissue damage.Types of...
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Cellular Injury V: Apoptosis and Autophagy01:22

Cellular Injury V: Apoptosis and Autophagy

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Cells respond to damage and stress through highly coordinated processes that decide whether they survive or undergo controlled self-destruction. Two major pathways involved in this regulation are apoptosis, a type of programmed cell death, and autophagy, a survival mechanism that helps cells adapt to adverse conditions.ApoptosisApoptosis removes aged or injured cells to maintain tissue balance. During this process, the cell shrinks, chromatin condenses and fragments, and membrane-bound...
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関連する実験動画

Updated: May 3, 2026

Assessing Autophagic Flux by Measuring LC3, p62, and LAMP1 Co-localization Using Multispectral Imaging Flow Cytometry
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Assessing Autophagic Flux by Measuring LC3, p62, and LAMP1 Co-localization Using Multispectral Imaging Flow Cytometry

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オートファジーと老化

David C Rubinsztein1, Guillermo Mariño, Guido Kroemer

  • 1Department of Medical Genetics, University of Cambridge, Cambridge Institute for Medical Research, Addenbrooke's Hospital, Hills Road, Cambridge, CB2 0XY, UK. dcr1000@hermes.cam.ac.uk

Cell
|September 3, 2011
PubMed
まとめ
この要約は機械生成です。

細胞のリサイクルプロセスであるオートファギーは,年齢とともに低下します. オートファギーの強化は,加齢に伴う組織損傷を逆転させることで,老化と闘い,長寿を促進する可能性があります.

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In Situ Immunofluorescent Staining of Autophagy in Muscle Stem Cells
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In Situ Immunofluorescent Staining of Autophagy in Muscle Stem Cells

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Assessing Lysosomal Alkalinization in the Intestine of Live Caenorhabditis elegans
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Assessing Lysosomal Alkalinization in the Intestine of Live Caenorhabditis elegans

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関連する実験動画

Last Updated: May 3, 2026

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11:39

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In Situ Immunofluorescent Staining of Autophagy in Muscle Stem Cells
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科学分野:

  • 細胞生物学 細胞生物学
  • ゲロントロジーはゲロントロジーの学科です.
  • 分子生物学は分子生物学である.

背景:

  • 細胞分解の基本的なプロセスであるオートファギーは,老化に関与しています.
  • オートファージ活動の低下は,正常な老化と病的な老化の両方の特徴です.
  • オートファギーの機能障害は,哺乳類の組織における年齢に関連する変性的な変化に寄与する.

研究 の 目的:

  • 障害のあるオートファギーと老化との因果関係を調査する.
  • オートファギーのアンチエイジング効果の根底にある分子メカニズムを解明する.
  • 寿命に影響を与える介入がオートファギーを調節する方法を検討する.

主な方法:

  • オートファジーと老化に関する既存の文献のレビュー.
  • モデル生物における遺伝学および薬理学的研究の分析.
  • オートファギーを長寿と結びつける分子経路の議論.

主要な成果:

  • オートファギーの遺伝的阻害は,老化現象型を模倣する.
  • 寿命を延ばす介入は,しばしばオートファギーを強化する.
  • オートファギーの阻害は,長寿のための様々な介入の利点を否定する.

結論:

  • 混乱したオートファギーは,老化プロセスと密接に関連しています.
  • オートファギーの調節は,アンチエイジング戦略の潜在力を秘めている.
  • オートファギーの役割を理解することは,健康的な老化を促進するための介入の開発に不可欠です.