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However, research on neurodegenerative diseases is hampered by the paucity of reliable readouts and experimental models to study such functional decline from an early onset and to test rescue strategies within networks at cellular resolution. To overcome this important obstacle, we demonstrate a simple yet powerful<jats:italic>in vitro<\/jats:italic>AD model based on a rat hippocampal cell culture system that exploits large-scale neuronal recordings from 4096-electrodes on CMOS-chips for electrophysiological quantifications. This model allows us to monitor network activity changes at the cellular level and to uniquely uncover the early activity-dependent deterioration induced by A\u03b2-neurotoxicity. We also demonstrate the potential of this<jats:italic>in vitro<\/jats:italic>model to test a plausible hypothesis underlying the A\u03b2-neurotoxicity and to assay potential therapeutic approaches. Specifically, by quantifying N-methyl D-aspartate (NMDA) concentration-dependent effects in comparison with low-concentration allogenic-A\u03b2, we confirm the role of extrasynaptic-NMDA receptors activation that may contribute to A\u03b2-neurotoxicity. Finally, we assess the potential rescue of neural stem cells (NSCs) and of two pharmacotherapies, memantine and saffron, for reversing A\u03b2-neurotoxicity and rescuing network-wide firing.<\/jats:p>","DOI":"10.1038\/s41598-017-02635-x","type":"journal-article","created":{"date-parts":[[2017,5,22]],"date-time":"2017-05-22T14:53:08Z","timestamp":1495464788000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":48,"title":["High-resolution bioelectrical imaging of A\u03b2-induced network dysfunction on CMOS-MEAs for neurotoxicity and rescue studies"],"prefix":"10.1038","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6515-2991","authenticated-orcid":false,"given":"Hayder","family":"Amin","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thierry","family":"Nieus","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Davide","family":"Lonardoni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandro","family":"Maccione","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9521-2812","authenticated-orcid":false,"given":"Luca","family":"Berdondini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2017,5,26]]},"reference":[{"key":"2635_CR1","doi-asserted-by":"publisher","first-page":"572","DOI":"10.1002\/ana.410300410","volume":"30","author":"RD Terry","year":"1991","unstructured":"Terry, R. 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