Profiling cell-type specific gene expression in post-mortem human brain samples through laser capture microdissection

Area of Science:

• Neuroscience
• Genomics
• Molecular Biology

Background:

• Cellular heterogeneity in the brain complicates disease transcriptomic studies using bulk tissue.
• Understanding cell-type-specific gene expression is crucial for dissecting disease mechanisms.
• Laser capture microdissection (LCM) offers a method for isolating specific cell types.

Approach:

• This review focuses on the application of LCM for cell-type specific gene expression profiling in post-mortem human brain samples.
• It details the workflow, from LCM system selection to gene expression analysis.
• Considerations and limitations specific to using LCM with post-mortem human brain tissue are discussed.

Key Points:

• LCM allows microscopic visualization and isolation of specific cell types or regions of interest.
• The review provides a step-by-step guide to the LCM workflow for gene expression profiling.
• Important considerations and limitations for post-mortem human brain samples are highlighted.

Conclusions:

• LCM is a valuable technique for cell-type specific gene expression profiling in the human brain.
• It helps overcome limitations of bulk tissue analysis in disease research.
• The review offers practical guidance for researchers utilizing LCM with post-mortem brain samples.