הכנה איכותית של גרעיני מוח ומח עצם לבדיקות מולטיום של גרעינים בודדים

Overview

This study focuses on the optimization of nuclei isolation from brain and bone marrow tissues for downstream single-nuclei multiome assays. The importance of high-quality nuclei extraction is highlighted due to its impact on single-cell transcriptomics and multi-omics analyses.

Key Study Components

Research Area

• Single-cell transcriptomics
• Multi-omics
• Nuclei isolation techniques

Background

• The success of transcriptomics relies on the purity and quality of isolated cells/nuclei.
• Recent advancements in flow cytometry and image-based technologies enhance cell sorting capabilities.
• Special consideration is needed for fragile or rare cell populations, necessitating optimized protocols.

Methods Used

• Modified nuclei preparation protocol for brain and bone marrow tissues
• Mouse model system
• Techniques include flow cytometry and automated cell counting

Main Results

• Improved nuclei recovery rates with minimized stress during preparation.
• Purity of brain nuclei increased from 36% to nearly 100% after sorting.
• Established a reliable workflow to prepare nuclei for high-quality sequencing data.

Conclusions

• This study demonstrates an effective protocol for isolating high-purity nuclei from specific tissues.
• The findings have significant implications for enhancing single-cell multiomic analyses in health and disease research.

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