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Hillel Ori

As seen in: Nature, PNAS, Cell Press
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Articles by Hillel Ori

Observation of topological action potentials in engineered tissues - Nature Physics

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By Hillel Ori, Colin Scheibner, Vincenzo Vitelli, Marc Duque
| Nature Verified
Abstract The interface between two tissues can have very different bioelectrical properties compared to either tissue on its own. Here we show that an interface between non-excitable tissues can be electrically excitable because of an interaction between the currents passing through the gap junctions—electrically resistive intercellular connections—and the non-linear current–voltage dependence in the ion channels on either side of the interface.
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Dynamic clamp constructed phase diagram for the Hodgkin and Huxley model of excitability

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By Hillel Ori, Eve Marder, Shimon Marom, Hananel Hazan
| PNAS Verified
Dynamic clamp constructed phase diagram for the Hodgkin and Huxley model of excitability Hillel Ori, Hananel Hazan, Eve Marder, Shimon Marom Proceedings of the National Academy of Sciences Feb 2020, 201916514; DOI: 10.1073/pnas.1916514117
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Electric-induced reversal of morphogenesis in Hydra

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By Erez Braun, Hillel Ori
| Cell Press Verified
Abstract Morphogenesis involves the dynamic interplay of biochemical, mechanical and electrical processes. Here we ask: to what extent can the course of morphogenesis be modulated and controlled by an external electric field? We show that at a critical amplitude, an external electric field can halt morphogenesis in Hydra regeneration. Moreover, above this critical amplitude, the electric field can lead to reversal dynamics: a fully developed Hydra folds back into its incipient spheroid morphology.
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