ArticleStem cell research & therapy2024
In vitro electrophysiological drug testing on neuronal networks derived from human induced pluripotent stem cells.
Article in Stem cell research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Article
- An electrophysiological and proteomics roadmap for human induced glutamatergic neurons: fine-tuning of culture conditions for pathophysiological studies.Cell death discovery · 2026Article
- Fibrillar Bundles as Fibrous Filler Materials for Attaining Cell Anisotropy in Bioprinting.Advanced healthcare materials · 2026Article
- Molecular Basis of GABA Aminotransferase Inhibition in Epilepsy: Structure, Mechanisms, and Drug Development.Current issues in molecular biology · 2025Review
- Optimization of Transcription Factor-Driven Neuronal Differentiation from Human Induced Pluripotent Stem Cells for Disease Modelling and Drug Screening.Stem cell reviews and reports · 2025Article
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8 authors.
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Abstract
backgroundIn vitro models for drug testing constitute a valuable and simplified in-vivo-like assay to better comprehend the biological drugs effect. In particular, the combination of neuronal cultures with Micro-Electrode Arrays (MEAs) constitutes a reliable system to investigate the effect of drugs aimed at manipulating the neural activity and causing controlled changes in the electrophysiology. While chemical modulation in rodents' models has been extensively studied in the literature, electrophysiological variations caused by chemical modulation on neuronal networks derived from human induced pluripotent stem cells (hiPSCs) still lack a thorough characterization.
methodsIn this work, we created three different configurations of hiPSCs-derived neuronal networks composed of fully glutamatergic neurons (100E), 75% of glutamatergic and 25% of GABAergic neurons (75E25I) and fully GABAergic neurons (100I). We focused on the effects caused by antagonists of three of the most relevant ionotropic receptors of the human brain, i.e., 2-amino-5-phosphonovaleric (APV, NMDA receptors antagonist), 6-cyano-7-nitroquinoxaline-2,3-dione (CNQX, AMPA receptors antagonist), and bicuculline, picrotoxin and pentylenetetrazole (BIC, PTX, and PTZ, respectively, GABA
resultsWe found that APV and CNQX completely abolished the network bursting activity and caused major changes in the functional connectivity. On the other hand, the effect of BIC, PTX and PTZ mostly affected configurations in which the inhibitory component was present by increasing the firing and network bursting activity as well as the functional connectivity.
conclusionsOur work revealed that hiPSCs-derived neuronal networks are very sensitive to pharmacological manipulation of the excitatory ionotropic glutamatergic and inhibitory ionotropic GABAergic transmission, representing a preliminary and necessary step forward in the field of drug testing that can rely on pathological networks of human origin.
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