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相关概念视频

Studying the Cytoskeleton01:17

Studying the Cytoskeleton

The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...

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相关实验视频

Updated: May 11, 2026

Measuring the Mechanical Properties of Living Cells Using Atomic Force Microscopy
08:41

Measuring the Mechanical Properties of Living Cells Using Atomic Force Microscopy

Published on: June 27, 2013

原子力显微镜揭示了与小鼠和人类卵细胞皮质结构相关的机械性质的差异.

Rose Bulteau1,2, Lucie Barbier2, Guillaume Lamour1

  • 1LAMBE, Univ Evry, CNRS, Université Paris-Saclay, Évry-Courcouronnes, 91025, France.

Small (Weinheim an der Bergstrasse, Germany)
|March 31, 2025
PubMed
概括

卵细胞的机械性质,受动蛋白皮层厚度的影响,影响卵细胞质量. 母亲年龄影响机械和皮质结构,在人类和小鼠卵细胞发育中观察到特定物种的差异.

关键词:
在Actomyosin皮层中.原子力显微镜的原子力显微镜.生物力学 生物力学皮层张力是皮层张力.弹性模块 弹性的模块卵子细胞 卵子细胞

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Capturing Cytoskeleton-Based Agitation of the Mouse Oocyte Nucleus Across Spatial Scales

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相关实验视频

Last Updated: May 11, 2026

Measuring the Mechanical Properties of Living Cells Using Atomic Force Microscopy
08:41

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Published on: June 27, 2013

Using Mouse Oocytes to Assess Human Gene Function During Meiosis I
11:13

Using Mouse Oocytes to Assess Human Gene Function During Meiosis I

Published on: April 10, 2018

Capturing Cytoskeleton-Based Agitation of the Mouse Oocyte Nucleus Across Spatial Scales
05:43

Capturing Cytoskeleton-Based Agitation of the Mouse Oocyte Nucleus Across Spatial Scales

Published on: January 12, 2024

科学领域:

  • 细胞力学 细胞力学
  • 发育生物学是发展生物学.
  • 生殖科学 生殖科学

背景情况:

  • 细胞机械性质对于卵细胞发育等生物过程至关重要.
  • 阿克托米奥辛皮层重塑调节皮层张力,以获得最佳的卵细胞质量.
  • 哺乳动物卵细胞中的机械参数和皮质结构之间的关系尚不清楚.

研究的目的:

  • 研究卵细胞机械特性与皮层组织之间的联系.
  • 用原子力显微镜开发一种结合多个机械参数的方法.
  • 探索母亲的年龄和物种差异如何影响卵细胞机制和结构.

主要方法:

  • 利用原子力显微镜测量多个机械参数.
  • 研究了不同发育阶段的小鼠卵细胞.
  • 分析了具有特定皮层组织的工程卵细胞.

主要成果:

  • 一个薄的actin皮质与硬的卵细胞相关;一个厚的皮质与软的卵细胞相关.
  • 母亲年龄会影响小鼠卵细胞机制和皮质结构.
  • 机械性质进化在人类和小鼠卵细胞发育之间有所不同.

结论:

  • 卵细胞硬度与行为皮层厚度相反.
  • 母亲的衰老改变了卵细胞机制和皮质组织.
  • 在哺乳动物卵细胞发育和皮质结构方面存在特定物种的差异.