Related Experiment Video
Updated: Jun 14, 2026

10:50
Use of Pre-Assembled Plastic Microfluidic Chips for Compartmentalizing Primary Murine Neurons
Published on: November 2, 2018
Understanding neuronal connectivity through the post-transcriptional toolkit.
Carlos M Loya1, David Van Vactor, Tudor A Fulga
1Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA. Carlos_Loya@hms.harvard.edu
Genes & Development
|April 3, 2010
Summary
Post-transcriptional regulation refines proteome complexity for neural network assembly. Mechanisms like alternative splicing and RNA-binding proteins control protein synthesis spatially and temporally.
Area of Science:
- Neuroscience
- Molecular Biology
- Genetics
Background:
- Post-transcriptional regulatory mechanisms are crucial for controlling protein diversity and localization.
- These processes are vital for all stages of neural network development, including neurite guidance and synapse function.
Purpose of the Study:
- To review recent advances in understanding post-transcriptional regulation in neural development.
- To highlight how these mechanisms contribute to proteomic complexity in neural networks.
Main Methods:
- Review of current literature on post-transcriptional regulation.
- Analysis of alternative splicing, RNA transport, RNA-binding proteins, and microRNAs.
Main Results:
- Alternative splicing expands the protein repertoire significantly.
- RNA packaging and binding proteins restrict protein synthesis to specific locations and conditions.
- Post-transcriptional control enables spatial and temporal protein deployment, adapted for neural cells.
Conclusions:
- Post-transcriptional regulation is essential for generating the proteomic complexity required for precise neuronal connectivity.
- These mechanisms provide sophisticated control over protein expression critical for neural network formation and function.
More Related Videos
Related Concept Videos
Neuronal Communication
Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
Regulation of Expression Occurs at Multiple Steps
Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
Regulation of Expression at Multiple Steps
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the addition of a...

