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Engineering Cortical Networks: An Open Platform for Controlled Human Circuit Formation and Synaptic Analysis In

Pacharaporn Suklai1,2,3, Taylor Minckley1,2,3, Cathleen Hagemann1,2,3

  • 1Department of Basic and Clinical Neuroscience, Institute of Psychiatry Psychology and Neuroscience, King's College London, London, SE5 9RX, UK.

Advanced Healthcare Materials
|October 25, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed an open cortical network platform using human-induced pluripotent stem cells (iPSCs) and bioengineering. This novel system enables precise study of neuronal circuit formation and function, aiding brain disease research.

Keywords:
bioengineeringin vitro modellingneural circuitssynapses

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Area of Science:

  • Neuroscience
  • Bioengineering
  • Stem Cell Biology

Background:

  • Neuronal circuits are vital for brain function, and their dysfunction is implicated in neurological diseases.
  • Human-induced pluripotent stem cell (iPSC) models offer insights but lack architectural precision.
  • Microfluidic systems provide structural control but are limited by closed environments.

Purpose of the Study:

  • To develop an advanced platform for studying neuronal circuit development and function.
  • To overcome limitations of existing iPSC and microfluidic models for network analysis.
  • To investigate molecular changes in neuronal connectivity associated with brain diseases.

Main Methods:

  • Integration of iPSC-derived cortical neurons with bioengineering techniques.
  • Utilized a polydimethylsiloxane-based microgroove topography and cell plating guide for "neuronal nodes".
  • Implemented an open, large-scale platform enabling optogenetic control and network modification.

Main Results:

  • Successfully created a flexible, open system for constructing defined neuronal circuits.
  • Enabled precise control over neural activity, network composition, and synapse formation.
  • Facilitated multi-level analyses, including proteomics, through neuronal material retrieval.

Conclusions:

  • The developed open cortical network platform is a valuable tool for investigating neuronal development and function.
  • This platform supports research into both normal brain states and pathological conditions like connectivity loss in brain diseases.
  • Offers new avenues for understanding the molecular basis of neurological disorders.