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Mitochondria

Mitochondria

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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Updated: May 4, 2026

Methods to Assess Subcellular Compartments of Muscle in C. elegans

Methods to Assess Subcellular Compartments of Muscle in C. elegans

Published on: November 13, 2014

在老化过程中对C. elegans的线粒体形态进行成像和定量.

Juri Kim¹, Maxim Averbukh¹, Athena Alcala¹

¹Leonard Davis School of Gerontology, University of Southern California.

Journal of visualized experiments : JoVE

|February 3, 2025

概括

线粒体功能随着年龄的增长而下降,改变细胞结构. 这项研究引入了可靠的GFP成像和量化方法C. elegans研究这些与衰老相关的线粒体变化.

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Quantitative Approaches for Studying Cellular Structures and Organelle Morphology in Caenorhabditis elegans

Quantitative Approaches for Studying Cellular Structures and Organelle Morphology in Caenorhabditis elegans

Published on: July 5, 2019

Imaging and Quantifying Mitochondrial Morphology in C. elegans During Aging

Imaging and Quantifying Mitochondrial Morphology in C. elegans During Aging

Published on: January 17, 2025

相关实验视频

Last Updated: May 4, 2026

Methods to Assess Subcellular Compartments of Muscle in C. elegans

Methods to Assess Subcellular Compartments of Muscle in C. elegans

Published on: November 13, 2014

Quantitative Approaches for Studying Cellular Structures and Organelle Morphology in Caenorhabditis elegans

Quantitative Approaches for Studying Cellular Structures and Organelle Morphology in Caenorhabditis elegans

Published on: July 5, 2019

Imaging and Quantifying Mitochondrial Morphology in C. elegans During Aging

Imaging and Quantifying Mitochondrial Morphology in C. elegans During Aging

Published on: January 17, 2025

科学领域:

细胞生物学细胞生物学
衰老研究研究衰老研究
遗传学遗传学是一个

背景情况:

线粒体是细胞能量生产和调节新陈代谢,增殖和信号的重要器官.
线粒体功能障碍与衰老和压力有关,表现为形态变化.
线虫C. elegans是研究衰老的一个有价值的模型,因为它的透明度和短寿命.

研究的目的:

提出一种强大可靠的方法,用于在C. elegans中成像线粒体形态.
为了尽量减少老化研究期间线粒体成像中的错误和变化.
推一种方法来量化与年龄相关的线粒体形态变化.

主要方法:

开发和应用单复制的,矩阵局部化的GFP结构用于C. elegans中的线粒体成像.
专注于实验可控因素,以减少成像中的变化.
使用 mitoMAPR 工具进行线粒体形态学的定量分析.

主要成果:

单复制的,矩阵局部化的GFP结构为可视化线粒体形态提供了强大的方法.
控制的实验因素显著降低了在复制品和研究中线粒体成像的变异性.
米托MAPR方法有效量化了与年龄相关的线粒体形态变化.

结论:

单复制的GFP结构为研究C. elegans中的线粒体形态提供了可靠的方法.
标准化实验条件对于准确的衰老研究至关重要.
mitoMAPR是分析衰老过程中的线粒体动态的一个有价值的工具.