相关实验视频

Updated: Jun 7, 2025

Author Spotlight: Whole-Mount Fluorescence In Situ Hybridization to Study Spermatogenesis in the Anopheles Mosquito

Author Spotlight: Whole-Mount Fluorescence In Situ Hybridization to Study Spermatogenesis in the Anopheles Mosquito

Published on: May 26, 2023

在正在发育的小鼠精子鞭毛中,IFT25蛋白的双向贩运

Wei Li¹, Changmin Niu^1,2, Yi Tian Yap¹

¹Department of Physiology, Wayne State University, Detroit, MI, USA.

Biology of reproduction

|November 19, 2024

概括

肌内运输25对于小鼠的精子形成至关重要. 这项研究可视化了其在发育中的精子鞭毛体内的动态运动,揭示了对生育至关重要的双向运输.

科学领域:

生殖生物学生殖生物学
细胞生物学细胞生物学
分子遗传学分子遗传学

背景情况:

吸管内运输25 (IFT25) 对于精子形成至关重要,但其在男性生殖细胞中的定位和贩运仍然不清楚.
缺乏特定抗体阻碍了IFT25在精子发育中的组织学研究.

研究的目的:

为了研究IFT25在小鼠雄性生殖细胞中的细胞内定位和动态贩运.
阐明IFT25贩运在精子形成和男性生育能力中的作用.

主要方法:

使用CRISPR/Cas9技术生成了一种表达IFT25与绿色光蛋白 (GFP) 融合的小鼠模型.
使用光显微镜分析了IFT25-GFP在生殖细胞中的定位和发育中的鞭毛.
量化IFT25贩运动态通过光白和化学图片后的光恢复.

主要成果:

IFT25-GFP主要在小鼠丸中检测到,局部化到精子细胞/精子细胞的细胞质中,并且在发育中的精子鞭毛中强烈存在.
同性卵性敲进小鼠表现出正常的精子生成,生育能力和精子参数.
IFT25在发育中的鞭毛中表现出双向运动,具有移动和不移动的分数,以及阶段依赖的扩散动态.

结论:

IFT25在精子鞭状体沿着两个方向动态运输,这表明它在功能性精子形成中起着关键作用.
生成的IFT25-GFP小鼠模型为研究雄性繁殖中的鞭状体内运输机制提供了有价值的工具.

关键词:

IFT25 IFT25 IFT25 IFT25 IFT25 IFT25 如果体内运输体内运输敲进来 - 敲进来精子飞的产生.

更多相关视频

A Seminiferous Tubule Squash Technique for the Cytological Analysis of Spermatogenesis Using the Mouse Model

A Seminiferous Tubule Squash Technique for the Cytological Analysis of Spermatogenesis Using the Mouse Model

Published on: February 6, 2018

Separation of Spermatogenic Cell Types Using STA-PUT Velocity Sedimentation

Separation of Spermatogenic Cell Types Using STA-PUT Velocity Sedimentation

Published on: October 9, 2013

相关概念视频

Microtubule Associated Motor Proteins

Microtubule Associated Motor Proteins

Eukaryotic cells have different motor proteins for transporting various cargo within the cell. These motor proteins differ based on the filament they associate with, the direction they move within the cell, and the type of cargo they transport. Motor proteins that associate with microtubules are known as microtubule-associated motor proteins. There are two families of microtubule-associated motor proteins —Kinesins and Dyneins. Both these proteins assist in the transport of cellular...

Microtubules in Cell Motility

Microtubules in Cell Motility

Microtubules are thick hollow cylindrical proteins that help form the cytoskeleton. Microtubules have varied roles in the cell. These filaments help form cellular appendages like cilia and flagella, which are responsible for locomotion. The cilia arise from basal bodies, separated from the main body by a membrane-like structure forming the transition zone. This zone is the gate for the entry of lipids and proteins, creating a unique composition of lipids and proteins in the ciliary membrane and...