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Meiosis vs. Mitosis

Meiosis vs. Mitosis

Cell division is necessary for growth and reproduction in organisms. Mitosis aids cell growth and development by dividing somatic cells. In contrast, meiosis causes the division of germ cells and plays an essential role in sexual reproduction. Due to their unique functional requirements, mitosis and meiosis differ from each other in multiple aspects.
Before the start of mitosis and meiosis I, the cell synthesizes DNA, resulting in two homologous copies of each chromosome. DNA synthesis is...

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An Automated Method to Perform The In Vitro Micronucleus Assay using Multispectral Imaging Flow Cytometry

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1000个菌体项目:一个基于共识的国际合作研究关于菌体数字分类的研究.

Sherman Lin¹, Christopher Tran¹, Ela Bandari²

¹Department of Pathology and Laboratory Medicine, Western University and London Health Sciences Centre, London, Canada.

International journal of surgical pathology

|April 17, 2024

概括

病理学家在癌症图像中识别线粒体数字时表现出适度的同意. 这项规模最大的国际研究强调了解释的变化,影响了瘤诊断和管理.

关键词:

数字病理学数字病理学国际合作国际合作线粒体的形象模仿了线粒体的形象.线粒体的人物.社交媒体社交媒体

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科学领域:

在瘤学瘤学.
病理学病理学病理学
计算生物学计算生物学

背景情况:

准确识别线粒体数字对于癌症诊断,分级和分类至关重要.
在病理学家中,关于线粒体数字解释的一致性的研究有限.

研究的目的:

评估国际病理学家小组中识别线粒体数字的评分间可靠性.
为未来的研究和培训创建一个大规模的,基于共识的线粒体数字数据集.

主要方法:

招募了国际病理学家来注释癌症基因组图谱 (TCGA) 数据集中的线粒体数据.
在40倍放大下创建了1010个线粒体图片的数据集.
将数据集重新分配给病理学家,以便审查和分类每个.

主要成果:

在病理学家中获得了80.2%的中位数同意率,用于线粒体图形识别.
个别的线粒体图片显示了87.1%的中位数一致,与公平的评分间一致 (kappa = 0.284).
与其他阶段相比,prometaphase中的线粒体数字表现出较低的协议率.

结论:

这项研究代表了关于线粒体数字的最大的国际共识,提供了有价值的培训数据集.
观察到的一致范围表明病理学家使用的各种解释标准.
线粒体数字识别的变化可能对瘤诊断和临床管理产生重大影响.