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Moccia, Robert

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Moccia

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Moccia, Robert

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    Pathways Disrupted in Human ALS Motor Neurons Identified through Genetic Correction of Mutant SOD1
    (Elsevier BV, 2014) Kiskinis, Evangelos; Sandoe, Jackson L; Williams, Lauren; Boulting, Gabriella; Moccia, Robert; Wainger, Brian; Han, Steve Sang-woo; Peng, Theodore; Thams, Sebastian; Mikkilineni, Shravani; Mellin, Cassidy; Merkle, Florian; Davis-Dusenbery, Brandi N; Ziller, Michael; Oakley, Derek; Ichida, Justin; Di Costanzo, Stefania; Atwater, Nick; Maeder, M; Goodwin, Marcus; Nemesh, James; Handsaker, Robert; Paull, Daniel; Noggle, Scott; McCarroll, Steven; Joung, Keith; Woolf, Carl; Brown, Robert H; Eggan, Kevin
    Direct electrical recording and stimulation of neural activity using micro-fabricated silicon and metal micro-wire probes have contributed extensively to basic neuroscience and therapeutic applications; however, the dimensional and mechanical mismatch of these probes with the brain tissue limits their stability in chronic implants and decreases the neuron–device contact. Here, we demonstrate the realization of a three-dimensional macroporous nanoelectronic brain probe that combines ultra-flexibility and subcellular feature sizes to overcome these limitations. Built-in strains controlling the local geometry of the macroporous devices are designed to optimize the neuron/probe interface and to promote integration with the brain tissue while introducing minimal mechanical perturbation. The ultra-flexible probes were implanted frozen into rodent brains and used to record multiplexed local field potentials and single-unit action potentials from the somatosensory cortex. Significantly, histology analysis revealed filling-in of neural tissue through the macroporous network and attractive neuron–probe interactions, consistent with long-term biocompatibility of the device.