Prototype Nerve-Specific Near-Infrared Fluorophores

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Prototype Nerve-Specific Near-Infrared Fluorophores

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Title: Prototype Nerve-Specific Near-Infrared Fluorophores
Author: Park, Min Ho; Hyun, Hoon; Ashitate, Yoshitomo; Wada, Hideyuki; Park, GwangLi; Lee, Jeong Heon; Njiojob, Costyl; Henary, Maged; Frangioni, John V.; Choi, Hak Soo

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Citation: Park, Min Ho, Hoon Hyun, Yoshitomo Ashitate, Hideyuki Wada, GwangLi Park, Jeong Heon Lee, Costyl Njiojob, Maged Henary, John V. Frangioni, and Hak Soo Choi. 2014. “Prototype Nerve-Specific Near-Infrared Fluorophores.” Theranostics 4 (8): 823-833. doi:10.7150/thno.8696. http://dx.doi.org/10.7150/thno.8696.
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Abstract: Nerve preservation is an important issue during most surgery because accidental transection or injury results in significant morbidity, including numbness, pain, weakness, or paralysis. Currently, nerves are still identified only by gross appearance and anatomical location during surgery, without intraoperative image guidance. Near-infrared (NIR) fluorescent light, in the wavelength range of 650-900 nm, has the potential to provide high-resolution, high-sensitivity, and real-time avoidance of nerve damage, but only if nerve-specific NIR fluorophores can be developed. In this study, we evaluated a series of Oxazine derivatives to highlight various peripheral nerve structures in small and large animals. Among the targeted fluorophores, Oxazine 4 has peak emission near into the NIR, which provided nerve-targeted signal in the brachial plexus and sciatic nerve for up to 12 h after a single intravenous injection. In addition, recurrent laryngeal nerves were successfully identified and highlighted in real time in swine, which could be preserved during the course of thyroid resection. Although optical properties of these agents are not yet optimal, chemical structure analysis provides a basis for improving these prototype nerve-specific NIR fluorophores even further.
Published Version: doi:10.7150/thno.8696
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4063980/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:12406728
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