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    Development of a novel screening platform for identifying genetic pathways regulating axon regeneration

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    Name:
    Lo_temple_0225E_15024.pdf
    Embargo:
    2024-08-11
    Size:
    2.748Mb
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    Genre
    Thesis/Dissertation
    Date
    2022
    Author
    Lo, Tsz
    Advisor
    Lelkes, Peter I.
    Committee member
    Song, Yunquan
    Lemay, Michel A.
    Spence, Andrew J.
    Matamoros, Andrew
    Department
    Bioengineering
    Subject
    Bioengineering
    Permanent link to this record
    http://hdl.handle.net/20.500.12613/8018
    
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    DOI
    http://dx.doi.org/10.34944/dspace/7990
    Abstract
    In the event of nervous system trauma, there are currently no treatments for functional loss due to thefailure of the mature mammalian central nervous system (CNS) to regenerate. Reduced intrinsic growth ability is believed to be a factor in attributing to the persistent functional deficits in neurological disorders such as spinal cord injury. Our candidate-based genetic screen allows us to examine and reveal several novel targets and pathways that have never been implicated in axon regeneration. However, we still lack a complete understanding of the repertoire of genetic factors that can promote or inhibit axonal regrowth after neural damage. Given that neurons have polarized morphology with distinct cellular compartments, microfluidic platforms had gained considerable impact in neuroscience research. Furthermore, disrupting gene expression is a common approach to understanding the loss-of-function disease mutations. Due to its many advantages, CRISPR technology is an attractive tool to irreversibly remove the gene of interest by targeting its DNA. The overall goal is to identify negative regulators in axon regeneration. Here, we performed candidatebased studies to assess novel candidates in neural regulation (Piezo, Atr, Nup188) and developed several novel axon transection microfluidics platforms that cater to various needs of current research. Results of this integrative approach can either be individually exploited to further neuroscience research or be taken together to result in a list of negative regulators that are potentially suitable as axon disconnection therapy targets.
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