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Pulsed electromagnetic stimulation promotes neuronal maturation by up-regulating cholesterol biosynthesis
Ping Chen1,2,3, Jingyi Li4, Vsevolod Telezhkin5
1Faculty of Biomedical Engineering, Shenzhen University of Advanced Technology, Shenzhen, China.
Stem Cell Research & Therapy
|July 27, 2025
Summary
Pulsed electromagnetic fields (PEMF) enhance human cortical neuron differentiation and synaptic maturation by activating cholesterol biosynthesis. This non-invasive method shows promise for improving stem cell therapies for neurological disorders.
Area of Science:
- Neuroscience
- Stem Cell Biology
- Biomedical Engineering
Background:
- Stem cell-derived neurons show poor survival and immaturity, hindering neurological disorder treatments.
- Pulsed electromagnetic fields (PEMF) may improve neuronal differentiation, but mechanisms are unclear.
Purpose of the Study:
- To investigate PEMF's effects on human induced pluripotent stem cell (iPSC)-derived cortical neuron differentiation and maturation.
- To elucidate the molecular mechanisms underlying PEMF's impact on neuronal development.
Main Methods:
- iPSC-derived cortical neurons were exposed to daily PEMF stimulation during differentiation.
- Neuronal differentiation, synaptic maturation, and functional maturation were assessed via multiple techniques including transcriptomics.
- The role of FDFT1-mediated cholesterol biosynthesis was validated through pharmacological and genetic manipulation.
Main Results:
- PEMF accelerated early neuronal differentiation and enhanced synaptic maturation.
- PEMF-treated neurons exhibited improved functional maturation, including increased excitability and ion channel activity.
- Transcriptomic analysis revealed upregulated cholesterol biosynthesis, with FDFT1 identified as a key regulator, essential for PEMF effects.
Conclusions:
- PEMF accelerates human cortical neuron differentiation and enhances synaptic maturation.
- These effects are mediated by FDFT1-activated cholesterol biosynthesis.
- PEMF is a promising non-invasive strategy to optimize stem cell therapies for neurological conditions.
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