ATAC-seq on Sorted Adult Mouse Neurons

Area of Science:

• Neurobiology
• Genomics
• Molecular Biology

Background:

• Transcription regulation is crucial for cellular identity in development and adulthood.
• Understanding cell-type-specific functions in the brain requires selective study of neuronal populations.
• Limited cellular material often hinders molecular assays in neurobiology.

Purpose of the Study:

• To describe a novel method for preparing live neurons from adult brain tissue.
• To facilitate the application of genome-probing assays, such as ATAC, in neurobiology.
• To overcome challenges in obtaining sufficient cellular input for molecular analyses in neurons.

Main Methods:

• Development of a specialized protocol for dissociating and preparing live neurons from adult mammalian brain.
• Adaptation of existing molecular assay methodologies for low-input samples.
• Focus on preserving cellular integrity and biological information during sample preparation for the Assay for Transposase Accessible Chromatin (ATAC).

Main Results:

• Successful preparation of live, viable neurons suitable for downstream molecular assays.
• Demonstration of a method compatible with the Assay for Transposase Accessible Chromatin (ATAC).
• Establishment of a technique to address the challenge of limited cellular input in neurobiological studies.

Conclusions:

• The described method provides a valuable tool for investigating transcription regulation in specific neuronal populations.
• This advancement opens new avenues for exploring cell type identity and function in the brain at a molecular level.
• The protocol facilitates the use of genome-wide assays in neurobiology, advancing our understanding of the mammalian brain.