INVESTIGATING OPTOGENETICS AS AN APPROACH TO CONTROL GROWTH FACTOR EXPRESSION FOR TISSUE ENGINEERING

dc.contributor.advisorMikos, Antonios G.en_US
dc.contributor.committeeMemberMikos, Jeffrey J.en_US
dc.creatorPiepergerdes, Trenton Coleen_US
dc.date.accessioned2019-05-17T15:55:00Zen_US
dc.date.available2019-08-01T05:01:08Zen_US
dc.date.created2018-08en_US
dc.date.issued2018-08-09en_US
dc.date.submittedAugust 2018en_US
dc.date.updated2019-05-17T15:55:00Zen_US
dc.description.abstractThe body exhibits a robust capacity for regeneration when faced with tissue injury or damage. In some cases, however, these insults can exceed the innate capacity for healing, resulting in permanent loss of structure and function. It is in these injuries where tissue engineering seeks to design interventions that can restore structure and function through the implementation of scaffolds, bioactive factors, and/or cells. Bioactive proteins have demonstrated immense efficacy in inducing tissue formation, but the administration of these factors has seen limitations that prevent them from seeing clinical success. Namely, precise spatiotemporal delivery of these factors is critical to their function and has yet to be achieved through exogenous delivery methods. There is thus a need for technologies that enable precise spatiotemporal administration of growth factors for tissue engineering. To this end, we propose that the precisely tunable variables associated with light make it an ideal stimulus for growth factor administration. Specifically, we sought to explore two previously developed light responsive systems as tools for controllable growth factor expression in mammalian cells with our overall goal being to make a case for optogenetic tools for tissue engineering applications. First, we explored the functionality of a red light-inducible adeno-associated virus (AAV). We next investigated a near infrared (NIR) optically responsive transcription control system as tool for tuned growth factor delivery. Finally, we ran preliminary studies to explore the feasibility of working with optogenetic systems in three dimensions (3D) through characterization of the relationship between scaffold fabrication parameters and light absorbance. In all, we validated tools for optogenetic control of growth factor expression and demonstrated feasibility of the technique for growth factor delivery in tissue engineering.en_US
dc.embargo.terms2019-08-01en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationPiepergerdes, Trenton Cole. "INVESTIGATING OPTOGENETICS AS AN APPROACH TO CONTROL GROWTH FACTOR EXPRESSION FOR TISSUE ENGINEERING." (2018) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/105817">https://hdl.handle.net/1911/105817</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/105817en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectsynthetic biologyen_US
dc.subjecttissue engineeringen_US
dc.subjectoptogeneticsen_US
dc.titleINVESTIGATING OPTOGENETICS AS AN APPROACH TO CONTROL GROWTH FACTOR EXPRESSION FOR TISSUE ENGINEERINGen_US
dc.typeThesisen_US
dc.type.dcmiImageen_US
dc.type.materialTexten_US
thesis.degree.departmentBioengineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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