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Related Experiment Video

Updated: Nov 26, 2025

Ex Utero Electroporation and Organotypic Slice Culture of Mouse Hippocampal Tissue

Ex Utero Electroporation and Organotypic Slice Culture of Mouse Hippocampal Tissue

Published on: March 4, 2015

AlCl₃ exposure regulates neuronal development by modulating DNA modification.

Xue-Jun Cheng¹, Fu-Lai Guan², Qian Li¹

¹The Children's Hospital, School of Medicine, Zhejiang University, Hangzhou 310052, Zhejiang Province, China.

World Journal of Stem Cells

|December 14, 2020

Summary

This summary is machine-generated.

Aluminum exposure negatively impacts neural stem cell differentiation and neuron development by altering DNA modifications. This study reveals aluminum

Keywords:

5-hydroxymethylcytosine Aluminum DNA demethylation Neural stem cells Neuron Neuronal development

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Last Updated: Nov 26, 2025

Ex Utero Electroporation and Organotypic Slice Culture of Mouse Hippocampal Tissue

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Published on: March 4, 2015

CRISPR-Mediated Reorganization of Chromatin Loop Structure

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Published on: September 14, 2018

Chemogenetic Regulation in Reprogrammed Stem Cell-derived Precursor Cells in Treating Neurodegenerative Diseases

Chemogenetic Regulation in Reprogrammed Stem Cell-derived Precursor Cells in Treating Neurodegenerative Diseases

Published on: May 2, 2025

Area of Science:

Neuroscience
Epigenetics
Environmental Toxicology

Background:

Aluminum is the third most abundant element, posing widespread environmental exposure risks.
Previous research indicates aluminum's neurotoxic potential, affecting neuronal development and cognitive function.

Purpose of the Study:

To investigate the impact of aluminum on epigenetic modifications within neural stem cells and neurons.
To elucidate the mechanisms by which aluminum affects neural cell development and function.

Main Methods:

Isolation of neural stem cells from adult mouse forebrain.
Isolation of hippocampal neurons from embryonic mice (day 16-18).
Exposure of cells to aluminum chloride (AlCl3) at concentrations of 100 and 200 μmol/L.

Main Results:

Aluminum exposure altered neural stem cell differentiation and induced apoptosis in newborn neurons.
No significant effect on neural stem cell proliferation was observed.
Aluminum inhibited hippocampal neuron dendritic development and significantly altered DNA methylation patterns (5-hydroxymethylcytosine, 5-methylcytosine, N6-methyladenine).

Conclusions:

Aluminum exposure disrupts normal neuronal development.
Epigenetic modifications, specifically DNA methylation, are implicated in aluminum's neurotoxic effects.
Findings suggest aluminum regulates neuronal development through modulation of DNA modifications.