在不同年龄的人类晶状镜片中细胞和分子分布的3D可视化
Wei Hu1,2, Xiaoyu Tong1,2, Lu Zhang3,4
1Department of Integrative Medicine and Neurobiology, School of Basic Medical Sciences, Institutes of Brain Science, Brain Science Collaborative Innovation Center, State Key Laboratory of Medical Neurobiology, Institute of Acupuncture and Moxibustion, Fudan Institutes of Integrative Medicine, Fudan University Shanghai 200032, China.
这项研究使用3D成像揭示了人类透镜细胞分布的与年龄相关的变化. 关键发现包括青少年的上皮细胞积累和老年人改变的纤维细胞去核.
科学领域:
- 眼科医生 眼科 眼科
- 细胞生物学 细胞生物学
- 生物医学成像技术 生物医学成像技术
背景情况:
- 人类透镜的透明度取决于其有组织的细胞架构.
- 人类透镜细胞分布的三维 (3D) 视角很少被记录下来.
研究的目的:
- 为了研究与年龄相关的细胞和分子改变在人类的透镜.
- 建立人类透镜的3D细胞和分子重建.
主要方法:
- 修改并比较了人类透镜分析的三种组织透明度方法.
- 分析了3D参数,并可视化了从6个月到72岁的人类眼镜中的细胞分布.
主要成果:
- 镜头赤道的比例与年龄保持不变.
- 在青少年中观察到赤道上皮质的积累,在老年人中观察到皮质纤维细胞的不对称脱核.
- 在发芽区鉴定了Zonula occludens-1和tropomyosin受体激酶A,老年个体的存在减少.
结论:
- 人类镜片的3D重建显示了镜片上皮细胞的年龄相关变化.
- 提供了对老化人类透镜的结构和分子动态的新见解.
更多相关视频
06:08Author Spotlight: Advancing Lens Biomechanics Research Through a Novel Protocol for Imaging Complex Interdigitations and Protein Staining
Published on: June 9, 2023
05:45Author Spotlight: In-Depth Morphometric Examination and Quantification of Native Lens Structure Using Whole Mount Imaging
Published on: January 19, 2024
相关概念视频
X-ray Diffraction of Biological Samples
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are scattered by the electron clouds around the sample atoms. The X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal crystal...
Electron Microscope Tomography and Single-particle Reconstruction
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
Three-Dimensional Microscopy in Microbiology
