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使用荧光显微镜进行便捷且准确的细胞计数分析。

Accessible and accurate cytometry analysis using fluorescence microscopes.

作者信息

Foyt Daniel, Kuang Yiming, Rehem Samma, Yserentant Klaus, Huang Bo

机构信息

UCSF-UC Berkeley Joint Graduate Program in Bioengineering, University of California San Francisco, San Francisco, California, 94143, United States of America.

Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, California, 94143, United States of America.

出版信息

bioRxiv. 2025 Jan 24:2025.01.22.634380. doi: 10.1101/2025.01.22.634380.

DOI:10.1101/2025.01.22.634380
PMID:39896570
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11785219/
Abstract

We have developed a method along with a python-based analysis tool to capture images and produce flow cytometry like data utilizing simple accessible microscopes. Utilizing the recently developed generalist algorithms for cell segmentation, our approach easily segments semi-adherent or suspended cells facilitating quantification of fluorescent intensity similar to flow cytometry. We have shown that our approach exhibits similar speed and enhanced sensitivity when compared to typical flow cytometry. The utility of our approach is demonstrated by screening a set of 88 prime editing conditions utilizing the integration of mNeonGreen as a reporter.

摘要

我们开发了一种方法以及一个基于Python的分析工具,利用简单易用的显微镜来捕获图像并生成类似流式细胞术的数据。利用最近开发的用于细胞分割的通用算法,我们的方法能够轻松分割半贴壁或悬浮细胞,便于对荧光强度进行定量,类似于流式细胞术。我们已经表明,与典型的流式细胞术相比,我们的方法具有相似的速度和更高的灵敏度。通过使用mNeonGreen作为报告基因的整合来筛选一组88个碱基编辑条件,证明了我们方法的实用性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/b5ac529fff01/nihpp-2025.01.22.634380v1-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/bb13a9dd0716/nihpp-2025.01.22.634380v1-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/ac9c404f8997/nihpp-2025.01.22.634380v1-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/9a71be2b2cc1/nihpp-2025.01.22.634380v1-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/6bb32d46809c/nihpp-2025.01.22.634380v1-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/b5ac529fff01/nihpp-2025.01.22.634380v1-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/bb13a9dd0716/nihpp-2025.01.22.634380v1-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/ac9c404f8997/nihpp-2025.01.22.634380v1-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/9a71be2b2cc1/nihpp-2025.01.22.634380v1-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/6bb32d46809c/nihpp-2025.01.22.634380v1-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ccfc/11785219/b5ac529fff01/nihpp-2025.01.22.634380v1-f0005.jpg

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Sniper2L is a high-fidelity Cas9 variant with high activity.Sniper2L 是一种具有高活性的高保真 Cas9 变体。
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Cellpose 2.0: how to train your own model.Cellpose 2.0:如何训练自己的模型。
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Prime editing for precise and highly versatile genome manipulation.碱基编辑技术实现精准且多功能的基因组编辑。
Nat Rev Genet. 2023 Mar;24(3):161-177. doi: 10.1038/s41576-022-00541-1. Epub 2022 Nov 7.
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Systematic discovery of recombinases for efficient integration of large DNA sequences into the human genome.系统发现重组酶可有效将大段 DNA 序列整合入人类基因组。
Nat Biotechnol. 2023 Apr;41(4):488-499. doi: 10.1038/s41587-022-01494-w. Epub 2022 Oct 10.
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OpenCell: Endogenous tagging for the cartography of human cellular organization.OpenCell:用于人类细胞组织图谱绘制的内源性标记。
Science. 2022 Mar 11;375(6585):eabi6983. doi: 10.1126/science.abi6983.
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Enhanced prime editing systems by manipulating cellular determinants of editing outcomes.通过操纵编辑结果的细胞决定因素增强的 Prime 编辑系统。
Cell. 2021 Oct 28;184(22):5635-5652.e29. doi: 10.1016/j.cell.2021.09.018. Epub 2021 Oct 14.
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Engineered pegRNAs improve prime editing efficiency.工程化的 pegRNA 可提高 Prime 编辑效率。
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