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Updated: Sep 21, 2025

Rewiring Neuronal Circuits: A New Method for Fast Neurite Extension and Functional Neuronal Connection

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Published on: June 13, 2017

Temporal control of neuronal wiring.

S Jain¹, S L Zipursky¹

¹Department of Biological Chemistry, University of California, Los Angeles, CA 90095, USA; Howard Hughes Medical Institute, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA.

Seminars in Cell & Developmental Biology

|June 1, 2022

Summary

Brain wiring relies on precise gene expression timing. Temporal regulators, induced by external cues, control transcription factors for cell-type specific wiring programs, crucial for development and models like brain organoids.

Keywords:

Brain wiring Hormones Neurodevelopment Neuronal activity Temporal specificity Transcriptional control

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Area of Science:

Neuroscience
Developmental Biology
Genetics

Background:

Brain wiring involves diverse cell types with specific genetic programs.
Precise timing of gene expression is critical for neuronal circuit assembly and function.
Mechanisms coordinating temporal gene expression across cell types remain poorly understood.

Purpose of the Study:

To review temporal regulators of neuronal wiring programs.
To explore how these regulators are controlled in time and space.
To propose a model for spatiotemporal control of brain wiring.

Main Methods:

Literature review of temporal regulators in brain wiring.
Analysis of how cell-extrinsic cues influence temporal regulators.
Examination of transcription factor networks in cell-type specific gene regulation.

Main Results:

Temporal regulators are induced by cell-extrinsic cues.
These regulators control transcription factors that target cell-type specific genes.
Combinatorial activity of temporal programs and transcription factors dictates spatiotemporal wiring specificity.

Conclusions:

Understanding temporal regulators is key to deciphering brain wiring mechanisms.
Temporal regulators and cell-type specific transcription factors cooperate to ensure precise circuit formation.
Insights are critical for advancing in vitro models like brain organoids for studying brain development and disease.