Protocol for enhancing RNA yield and quality from single nuclei isolated from mouse brain tissue

Area of Science:

• Neuroscience
• Molecular Biology
• Genomics

Background:

• Single-cell gene expression analysis requires high-quality RNA isolated from individual nuclei.
• Current methods for RNA isolation from nuclei often face challenges in yield and quality.

Purpose of the Study:

• To present an optimized protocol for enhancing RNA yield and quality from mouse brain nuclei.
• To ensure extracted RNA is suitable for downstream transcriptomic and qPCR analyses.

Main Methods:

• The protocol involves meticulous brain dissection, thawing, and homogenization.
• Centrifugation-based isolation is employed, incorporating 3% glyoxal fixation for RNA preservation.
• Filtration, blocking, and fluorescence-activated sorting are utilized to guarantee RNA quality and quantity.

Main Results:

• The developed protocol successfully enhances RNA yield from mouse brain nuclei.
• The quality of the isolated RNA meets the stringent standards required for transcriptomic and qPCR analyses.
• This method provides a reliable approach for single-nucleus RNA isolation.

Conclusions:

• The presented protocol offers a robust solution for obtaining high-quality RNA from single nuclei.
• This advancement is crucial for accurate single-cell gene expression studies in neuroscience.
• The protocol is validated for its effectiveness in transcriptomic and qPCR applications.