Towards a Brighter Constellation: Multi-Organ Neuroimaging of Neural and Vascular Dynamics in the Spinal Cord and Brain. Celinskis, D., Black, C. J., Murphy, J., Barrios-Anderson, A., Friedman, N., Shaner, N. C., Saab, C., Gomez-Ramirez, M., Lipscombe, D., Borton, D. A., & Moore, C. I. December, 2023. Journal Abbreviation: bioRxiv Pages: 2023.12.25.573323 Publication Title: bioRxiv : the preprint server for biologydoi abstract bibtex SIGNIFICANCE: Pain is comprised of a complex interaction between motor action and somatosensation that is dependent on dynamic interactions between the brain and spinal cord. This makes understanding pain particularly challenging as it involves rich interactions between many circuits (e.g., neural and vascular) and signaling cascades throughout the body. As such, experimentation on a single region may lead to an incomplete and potentially incorrect understanding of crucial underlying mechanisms. AIM: Here, we aimed to develop and validate new tools to enable detailed and extended observation of neural and vascular activity in the brain and spinal cord. The first key set of innovations were targeted to developing novel imaging hardware that addresses the many challenges of multi-site imaging. The second key set of innovations were targeted to enabling bioluminescent imaging, as this approach can address limitations of fluorescent microscopy including photobleaching, phototoxicity and decreased resolution due to scattering of excitation signals. APPROACH: We designed 3D-printed brain and spinal cord implants to enable effective surgical implantations and optical access with wearable miniscopes or an open window (e.g., for one- or two-photon microscopy or optogenetic stimulation). We also tested the viability for bioluminescent imaging, and developed a novel modified miniscope optimized for these signals (BLmini). RESULTS: Here, we describe novel 'universal' implants for acute and chronic simultaneous brain-spinal cord imaging and optical stimulation. We further describe successful imaging of bioluminescent signals in both foci, and a new miniscope, the 'BLmini,' which has reduced weight, cost and form-factor relative to standard wearable miniscopes. CONCLUSIONS: The combination of 3D printed implants, advanced imaging tools, and bioluminescence imaging techniques offers a new coalition of methods for understanding spinal cord-brain interactions. This work has the potential for use in future research into neuropathic pain and other sensory disorders and motor behavior.
@misc{celinskis_towards_2023,
address = {United States},
title = {Towards a {Brighter} {Constellation}: {Multi}-{Organ} {Neuroimaging} of {Neural} and {Vascular} {Dynamics} in the {Spinal} {Cord} and {Brain}.},
doi = {10.1101/2023.12.25.573323},
abstract = {SIGNIFICANCE: Pain is comprised of a complex interaction between motor action and somatosensation that is dependent on dynamic interactions between the brain and spinal cord. This makes understanding pain particularly challenging as it involves rich interactions between many circuits (e.g., neural and vascular) and signaling cascades throughout the body. As such, experimentation on a single region may lead to an incomplete and potentially incorrect understanding of crucial underlying mechanisms. AIM: Here, we aimed to develop and validate new tools to enable detailed and extended observation of neural and vascular activity in the brain and spinal cord. The first key set of innovations were targeted to developing novel imaging hardware that addresses the many challenges of multi-site imaging. The second key set of innovations were targeted to enabling bioluminescent imaging, as this approach can address limitations of fluorescent microscopy including photobleaching, phototoxicity and decreased resolution due to scattering of excitation signals. APPROACH: We designed 3D-printed brain and spinal cord implants to enable effective surgical implantations and optical access with wearable miniscopes or an open window (e.g., for one- or two-photon microscopy or optogenetic stimulation). We also tested the viability for bioluminescent imaging, and developed a novel modified miniscope optimized for these signals (BLmini). RESULTS: Here, we describe novel 'universal' implants for acute and chronic simultaneous brain-spinal cord imaging and optical stimulation. We further describe successful imaging of bioluminescent signals in both foci, and a new miniscope, the 'BLmini,' which has reduced weight, cost and form-factor relative to standard wearable miniscopes. CONCLUSIONS: The combination of 3D printed implants, advanced imaging tools, and bioluminescence imaging techniques offers a new coalition of methods for understanding spinal cord-brain interactions. This work has the potential for use in future research into neuropathic pain and other sensory disorders and motor behavior.},
language = {eng},
author = {Celinskis, Dmitrijs and Black, Christopher J. and Murphy, Jeremy and Barrios-Anderson, Adriel and Friedman, Nina and Shaner, Nathan C. and Saab, Carl and Gomez-Ramirez, Manuel and Lipscombe, Diane and Borton, David A. and Moore, Christopher I.},
month = dec,
year = {2023},
pmid = {38234789},
pmcid = {PMC10793404},
note = {Journal Abbreviation: bioRxiv
Pages: 2023.12.25.573323
Publication Title: bioRxiv : the preprint server for biology},
keywords = {bioluminescence (BL), brain, fluorescence (FL), implantable window, miniscope, multi-organ imaging, sensory processing, spinal cord, two-photon},
}
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This makes understanding pain particularly challenging as it involves rich interactions between many circuits (e.g., neural and vascular) and signaling cascades throughout the body. As such, experimentation on a single region may lead to an incomplete and potentially incorrect understanding of crucial underlying mechanisms. AIM: Here, we aimed to develop and validate new tools to enable detailed and extended observation of neural and vascular activity in the brain and spinal cord. The first key set of innovations were targeted to developing novel imaging hardware that addresses the many challenges of multi-site imaging. The second key set of innovations were targeted to enabling bioluminescent imaging, as this approach can address limitations of fluorescent microscopy including photobleaching, phototoxicity and decreased resolution due to scattering of excitation signals. APPROACH: We designed 3D-printed brain and spinal cord implants to enable effective surgical implantations and optical access with wearable miniscopes or an open window (e.g., for one- or two-photon microscopy or optogenetic stimulation). We also tested the viability for bioluminescent imaging, and developed a novel modified miniscope optimized for these signals (BLmini). RESULTS: Here, we describe novel 'universal' implants for acute and chronic simultaneous brain-spinal cord imaging and optical stimulation. We further describe successful imaging of bioluminescent signals in both foci, and a new miniscope, the 'BLmini,' which has reduced weight, cost and form-factor relative to standard wearable miniscopes. CONCLUSIONS: The combination of 3D printed implants, advanced imaging tools, and bioluminescence imaging techniques offers a new coalition of methods for understanding spinal cord-brain interactions. This work has the potential for use in future research into neuropathic pain and other sensory disorders and motor behavior.","language":"eng","author":[{"propositions":[],"lastnames":["Celinskis"],"firstnames":["Dmitrijs"],"suffixes":[]},{"propositions":[],"lastnames":["Black"],"firstnames":["Christopher","J."],"suffixes":[]},{"propositions":[],"lastnames":["Murphy"],"firstnames":["Jeremy"],"suffixes":[]},{"propositions":[],"lastnames":["Barrios-Anderson"],"firstnames":["Adriel"],"suffixes":[]},{"propositions":[],"lastnames":["Friedman"],"firstnames":["Nina"],"suffixes":[]},{"propositions":[],"lastnames":["Shaner"],"firstnames":["Nathan","C."],"suffixes":[]},{"propositions":[],"lastnames":["Saab"],"firstnames":["Carl"],"suffixes":[]},{"propositions":[],"lastnames":["Gomez-Ramirez"],"firstnames":["Manuel"],"suffixes":[]},{"propositions":[],"lastnames":["Lipscombe"],"firstnames":["Diane"],"suffixes":[]},{"propositions":[],"lastnames":["Borton"],"firstnames":["David","A."],"suffixes":[]},{"propositions":[],"lastnames":["Moore"],"firstnames":["Christopher","I."],"suffixes":[]}],"month":"December","year":"2023","pmid":"38234789","pmcid":"PMC10793404","note":"Journal Abbreviation: bioRxiv Pages: 2023.12.25.573323 Publication Title: bioRxiv : the preprint server for biology","keywords":"bioluminescence (BL), brain, fluorescence (FL), implantable window, miniscope, multi-organ imaging, sensory processing, spinal cord, two-photon","bibtex":"@misc{celinskis_towards_2023,\n\taddress = {United States},\n\ttitle = {Towards a {Brighter} {Constellation}: {Multi}-{Organ} {Neuroimaging} of {Neural} and {Vascular} {Dynamics} in the {Spinal} {Cord} and {Brain}.},\n\tdoi = {10.1101/2023.12.25.573323},\n\tabstract = {SIGNIFICANCE: Pain is comprised of a complex interaction between motor action and somatosensation that is dependent on dynamic interactions between the brain and spinal cord. This makes understanding pain particularly challenging as it involves rich interactions between many circuits (e.g., neural and vascular) and signaling cascades throughout the body. As such, experimentation on a single region may lead to an incomplete and potentially incorrect understanding of crucial underlying mechanisms. AIM: Here, we aimed to develop and validate new tools to enable detailed and extended observation of neural and vascular activity in the brain and spinal cord. The first key set of innovations were targeted to developing novel imaging hardware that addresses the many challenges of multi-site imaging. The second key set of innovations were targeted to enabling bioluminescent imaging, as this approach can address limitations of fluorescent microscopy including photobleaching, phototoxicity and decreased resolution due to scattering of excitation signals. APPROACH: We designed 3D-printed brain and spinal cord implants to enable effective surgical implantations and optical access with wearable miniscopes or an open window (e.g., for one- or two-photon microscopy or optogenetic stimulation). We also tested the viability for bioluminescent imaging, and developed a novel modified miniscope optimized for these signals (BLmini). RESULTS: Here, we describe novel 'universal' implants for acute and chronic simultaneous brain-spinal cord imaging and optical stimulation. We further describe successful imaging of bioluminescent signals in both foci, and a new miniscope, the 'BLmini,' which has reduced weight, cost and form-factor relative to standard wearable miniscopes. CONCLUSIONS: The combination of 3D printed implants, advanced imaging tools, and bioluminescence imaging techniques offers a new coalition of methods for understanding spinal cord-brain interactions. 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