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In Vitro Wedge Slice Preparation for Mimicking In Vivo Neuronal Circuit Connectivity

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Splicing in the human brain.

Ammar Zaghlool¹, Adam Ameur¹, Lucia Cavelier²

¹Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden; Science for Life Laboratory, Uppsala University, Uppsala, Sweden.

International Review of Neurobiology

|August 31, 2014

Summary

This summary is machine-generated.

The human brain transcriptome is complex, with diverse RNA types and regulatory pathways. Recent studies show that RNA splicing in the brain is predominantly cotranscriptional, offering insights into gene regulation.

Keywords:

Alternative splicing Brain transcriptome Cotranscriptional splicing RNA sequencing

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Area of Science:

Molecular Biology
Neuroscience
Genomics

Background:

RNA has crucial regulatory, structural, and catalytic roles beyond protein translation.
High-throughput sequencing reveals extensive RNA diversity and transcript isoforms.
The human brain transcriptome is exceptionally complex, with neuron-specific regulatory mechanisms.

Purpose of the Study:

To describe the current understanding of RNA splicing and its regulation in the human brain.
To discuss recent sequence-based analyses of transcription and splicing.
To address questions regarding cotranscriptional versus posttranscriptional splicing.

Main Methods:

Deep sequencing of the human transcriptome.
Analysis of RNA-binding proteins, including neuron-specific ones.
Global sequence-based analyses of transcription and splicing.

Main Results:

The human brain exhibits a high diversity of RNA types and transcript isoforms.
Neuron-specific RNA-binding proteins are involved in regulating splicing and isoform production.
Evidence suggests that RNA splicing in human cells, particularly in the brain, is primarily cotranscriptional.

Conclusions:

RNA splicing in the human brain is largely cotranscriptional.
Understanding RNA splicing mechanisms is crucial for comprehending gene regulation in the brain.
Further research is needed to fully elucidate RNA splicing and subcellular localization mechanisms.