Probing function in 3D neuronal cultures: A survey of 3D multielectrode array advances

Doris Lam, Nicholas O. Fischer, Heather A. Enright

Research output: Contribution to journalReview articlepeer-review

Abstract

Recent advances in microphysiological systems have made significant strides to include design features that reconstruct key elements found in the brain, and in parallel advance technologies to detect the activity of electrogenic cells that form neural networks. In particular, three-dimensional multielectrode arrays (3D MEAs) are being developed with increasing levels of spatial and temporal precision, difficult to achieve with current 2D MEAs, insertable MEA probes, and/or optical imaging of calcium dynamics. Thus, providing a means to monitor the flow of neural network activity within all three dimensions (X, Y, and Z) of the engineered tissue. In the last 6 years, 3D MEAs, using either bottom-up or top-down designs, have been developed to overcome the current technical challenges in monitoring the functionality of the in vitro systems. Herein, we will report on the design and application of novel 3D MEA prototypes for probing neural activity throughout the 3D neural tissue.

Original languageEnglish (US)
Pages (from-to)255-260
Number of pages6
JournalCurrent Opinion in Pharmacology
Volume60
DOIs
StatePublished - Oct 2021
Externally publishedYes

ASJC Scopus subject areas

  • Pharmacology
  • Drug Discovery

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