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Related Experiment Video

Updated: Jun 10, 2026

Lineage Tracing and Clonal Analysis in Developing Cerebral Cortex Using Mosaic Analysis with Double Markers (MADM)

Lineage Tracing and Clonal Analysis in Developing Cerebral Cortex Using Mosaic Analysis with Double Markers (MADM)

Published on: May 8, 2020

Does cell lineage in the developing cerebral cortex contribute to its columnar organization?

Marcos R Costa¹, Cecilia Hedin-Pereira

¹Edmond and Lily Safra International Institute of Neuroscience of Natal, Natal, Rio Grande do Norte Brazil.

Frontiers in Neuroanatomy

|August 3, 2010

Summary

Cell lineage in the developing neocortex may establish columnar organization. The progeny of single neuroepithelial cells form interconnected sibling neuron columns, potentially pre-determining functional units before activity-dependent mechanisms.

Keywords:

cell lineage cortical columns sister neurons transcription factors

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Lineage Tracing and Clonal Analysis in Developing Cerebral Cortex Using Mosaic Analysis with Double Markers (MADM)

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Live Imaging of Primary Cerebral Cortex Cells Using a 2D Culture System

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Published on: August 9, 2017

Area of Science:

Neuroscience
Developmental Biology
Cell Biology

Background:

The cerebral cortex is organized into functional modules, often exhibiting columnar distributions of neurons with similar properties.
The precise mechanisms underlying this columnar organization, particularly the role of early developmental events, remain incompletely understood.
While activity-dependent mechanisms are known to shape neural circuits, the contribution of pre-determined developmental processes is an active area of investigation.

Purpose of the Study:

To explore the hypothesis that cell lineage contributes to the columnar organization of the neocortex.
To investigate whether gene expression in the ventricular zone influences the development of discrete functional units like minicolumns or columns.
To discuss potential molecular mechanisms underlying the formation of sibling-neuron circuits.

Main Methods:

Review of existing literature on cortical organization and development.
Discussion of cell lineage tracing experiments using retroviral vectors in the dorsal telencephalon.
Conceptual integration of cell-cell recognition and transcription factor network studies.

Main Results:

Cell lineage experiments demonstrate that progeny of single neuroepithelial/radial glial cells form radial clusters of sibling excitatory neurons.
These sibling neurons exhibit a higher propensity for synapsing with each other compared to non-siblings.
This suggests that cell lineage could generate radial columns of interconnected sibling neurons.

Conclusions:

The cell lineage of individual neuroepithelial/radial glial cells is a plausible mechanism for establishing the columnar organization of the neocortex.
This lineage-based organization may pre-specify functional units before activity-dependent refinement.
Further research into cell-cell recognition and transcription factor networks is needed to elucidate the molecular underpinnings of sibling-neuron circuit formation.