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Dr. Hollis received his Ph.D. from the University of California, San Diego (UCSD) Neurosciences Graduate Program in 2002. At UCSD, he trained under Mark Tuszynski, M.D., Ph.D., in the field of spinal cord injury repair. His studies on the corticospinal pathway, the principal motor system in primates, demonstrated that the application of developmentally relevant cues was insufficient for mediating regeneration of the corticospinal motor axons (Hollis et al. Exp Neurol 2009). Rather, he found that by utilizing a gene therapy approach, he could switch the intrinsic cell response from one mediating survival to one inducing axonal regeneration (Hollis et al. PNAS 2009). This was the first work demonstrating a gene therapy approach to modulate the intrinsic growth potential of this critical motor pathway.
In 2009, Dr. Hollis joined the laboratory of Yimin Zou, Ph.D. in the Division of Biological Sciences at UCSD. In the Zou laboratory, he established a spinal cord injury program to study the effects of the Wnt signaling pathway, a critical mediator of spinal cord axon guidance, after injury. He found that ascending sensory axons were sensitized to endogenous Wnt signaling after spinal cord injury and that inhibition of this system was sufficient to induce axonal regeneration and plasticity. Additionally, he found that by blocking Wnt signaling, plasticity of sensory and of descending corticospinal motor axons could mediate functional recovery dependent upon those two systems in rodent models of spinal cord injury.
His work in the Zou lab concluded with the initial studies on how motor cortex incorporates induced axon regeneration within the spinal cord after injury. Through the use of optogenetic mapping of motor output, he demonstrated that reorganization of cortical motor maps were coincident with the axon plasticity and enhanced recovery of corticospinal function observed upon genetic deletion of inhibitory Wnt signaling (Hollis et al. Nat Neurosci 2016).
In 2009, Dr. Hollis joined the laboratory of Yimin Zou, Ph.D. in the Division of Biological Sciences at UCSD. In the Zou laboratory, he established a spinal cord injury program to study the effects of the Wnt signaling pathway, a critical mediator of spinal cord axon guidance, after injury. He found that ascending sensory axons were sensitized to endogenous Wnt signaling after spinal cord injury and that inhibition of this system was sufficient to induce axonal regeneration and plasticity. Additionally, he found that by blocking Wnt signaling, plasticity of sensory and of descending corticospinal motor axons could mediate functional recovery dependent upon those two systems in rodent models of spinal cord injury.
His work in the Zou lab concluded with the initial studies on how motor cortex incorporates induced axon regeneration within the spinal cord after injury. Through the use of optogenetic mapping of motor output, he demonstrated that reorganization of cortical motor maps were coincident with the axon plasticity and enhanced recovery of corticospinal function observed upon genetic deletion of inhibitory Wnt signaling (Hollis et al. Nat Neurosci 2016).
研究兴趣
论文共 31 篇作者统计合作学者相似作者
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biorxiv(2024)
Jaclyn T Eisdorfer, Josh Thackray,Thomas Theis,Ana Vivinetto,Matthew T Ricci,Sherry Lin, Olisemeka Oputa, Alana M Martinez, Hannah D Nacht, Monica Tschang, Malaika Mahmood,Ashley Tucker,
biorxiv(2024)
Najet Serradj,Francesca Marino,Yunuen Moreno-López,Amanda Bernstein, Sydney Agger, Marwa Soliman,Andrew Sloan,Edmund Hollis
Najet Serradj,Francesca Marino,Yunuen Moreno-López, Amanda Bernstein, Sydney Agger, Marwa Soliman,Andrew Sloan,Edmund Hollis
bioRxiv (Cold Spring Harbor Laboratory) (2021)
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