A Novel 3D-Printed/Porous Conduit with Tunable Properties to Enhance Nerve Regeneration Over the Limiting Gap Length

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Microchannel-based technologies for nerve interfacing

Biomedical technologies in neuroprosthetics are made to restore or replace functions from the nervous system, as well as alleviate pathological conditions. Peripheral nerve interfaces use neuromodulatory techniques to inhibit pain or depression, prevent ep ...

EPFL2019

Cbp-dependent histone acetylation mediates axon regeneration induced by environmental enrichment in rodent spinal cord injury models

Grégoire Courtine, Quentin Barraud, Kay Alexander Bartholdi, Claudia Kathe, Thomas Haynes Hutson

After a spinal cord injury, axons fail to regenerate in the adult mammalian central nervous system, leading to permanent deficits in sensory and motor functions. Increasing neuronal activity after an injury using electrical stimulation or rehabilitation ca ...

AMER ASSOC ADVANCEMENT SCIENCE2019

A microfabricated nerve-on-a-chip platform for rapid assessment of neural conduction in explanted peripheral nerve fibers

Sandra Gribi, Stéphanie Lacour, Sophie du Bois de Dunilac, Diego Ghezzi

Peripheral nerves are anisotropic and heterogeneous neural tissues. Their complex physiology restricts realistic in vitro models, and high resolution and selective probing of axonal activity. Here, we present a nerve-on-a-chip platform that enables rapid e ...

Nature Research2018

Required growth facilitators propel axon regeneration across complete spinal cord injury

Sabry Leonardo Barlatey, Grégoire Courtine, Cheng Wang, Mark Andrew Anderson, Michael V. Sofroniew, Zhigang He, Nicholas David James

Transected axons fail to regrow across anatomically complete spinal cord injuries (SCI) in adults. Diverse molecules can partially facilitate or attenuate axon growth during development or after injury1,2,3, but efficient reversal of this regrowth failure ...

2018

Influencing axon regeneration after spinal cord injury

Mark Andrew Anderson

Spinal cord injury (SCI) results in a severing of axonal connections that leads to permanent sensorimotor deficits. In cases of incomplete injury, rehabilitation paradigms have been reported to be successful in improving behavioral outcome in humans with S ...

EPFL2017

Fascicular nerve stimulation and recording using a novel double-aisle regenerative electrode

Silvestro Micera

Objective. As artificial prostheses become more refined, they are most often used as a therapeutic option for hand amputation. By contrast to extra- or intraneural interfaces, regenerative nerve electrodes are designed to enable electrical interfaces with ...

Iop Publishing Ltd2017

Preferential Enhancement of Sensory and Motor Axon Regeneration by Combining Extracellular Matrix Components with Neurotrophic Factors

Silvestro Micera, Daniel Santos

After peripheral nerve injury, motor and sensory axons are able to regenerate but inaccuracy of target reinnervation leads to poor functional recovery. Extracellular matrix (ECM) components and neurotrophic factors (NTFs) exert their effect on different ne ...

2017

In vitro evaluation of gel-encapsulated adipose derived stem cells: Biochemical cues for in vivo peripheral nerve repair

Stéphanie Lacour

Adipose‐derived stem cells (ASC) are becoming one of the most exploited cells in peripheral nerve repair. They are fast‐growing and able to protect neurons from apoptosis; they can reduce postinjury latency and the risk of muscle atrophy. This study evalua ...

Wiley-Blackwell2017

Long-term usability and bio-integration of polyimide-based intraneural stimulating electrodes

Sophie Marie Marthe Wurth, Jérôme Gandar, Nawal Noëlle Kinany, Silvestro Micera, Grégoire Courtine, Stanisa Raspopovic, Quentin Barraud, Alessandra Piersigilli, Marco Capogrosso, Natalia Pavlova, Jacopo Rigosa, Polina Shkorbatova

Stimulation of peripheral nerves has transiently restored lost sensation and has the potential to alleviate motor deficits. However, incomplete characterization of the long-term usability and bio-integration of intra-neural implants has restricted their us ...

Elsevier Sci Ltd2017

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