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The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration
BACKGROUND: Photoreceptor degeneration is one of the most refractory oculopathy in the world, leading to vision loss in severe cases. Methyprednisolone is one of the most commonly prescribed medications for the treatment of retinal degenerative diseases, either by oral administration or repeated int...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Dove
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6911332/ https://www.ncbi.nlm.nih.gov/pubmed/31849467 http://dx.doi.org/10.2147/IJN.S225992 |
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author | Wang, Yajie Liu, Wei Yuan, Bo Yin, Xuebo Li, Yiming Li, Zongjin Cui, Jianlin Yuan, Xiaoyong Li, Yuhao |
author_facet | Wang, Yajie Liu, Wei Yuan, Bo Yin, Xuebo Li, Yiming Li, Zongjin Cui, Jianlin Yuan, Xiaoyong Li, Yuhao |
author_sort | Wang, Yajie |
collection | PubMed |
description | BACKGROUND: Photoreceptor degeneration is one of the most refractory oculopathy in the world, leading to vision loss in severe cases. Methyprednisolone is one of the most commonly prescribed medications for the treatment of retinal degenerative diseases, either by oral administration or repeated intraocular injections. However, the efficacy was unsatisfactory due to its systemic or local side effects and short retention time within the retina. METHODS: Nanoscale zirconium-porphyrin metal-organic framework (NPMOF) was synthesized and characterized. The biotoxicity and imaging capability of NPMOF were evaluated using zebrafish embryos and larvae. NPMOF was then used as a skeleton and loaded with methylprednisolone (MPS) to prepare a novel kind of nanoparticle, MPS-NPMOF. Photoreceptor degeneration was induced by high-intensity light exposure in adult zebrafish. MPS-NPMOF was delivered to the injured retina by intraocular injection. The photoreceptor regeneration and its underlying mechanism were explored by immunohistochemistry, quantitative real-time polymerase chain reaction and behavioral test. RESULTS: NPMOF not only had low biotoxicity but also emitted bright fluorescence. Following a single MPS-NPMOF intraocular injection, the injured retina exhibited the faster photoreceptor regeneration with better visual function by promoting the cell proliferation. CONCLUSION: NPMOF is an ideal carrier and could be applied in tracking and delivering medications. By intraocular injection, the novel drug delivery system, MPS-NPMOF, accomplishes the sustained release of drug and plays a therapeutic role in photoreceptor degeneration. |
format | Online Article Text |
id | pubmed-6911332 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | Dove |
record_format | MEDLINE/PubMed |
spelling | pubmed-69113322019-12-17 The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration Wang, Yajie Liu, Wei Yuan, Bo Yin, Xuebo Li, Yiming Li, Zongjin Cui, Jianlin Yuan, Xiaoyong Li, Yuhao Int J Nanomedicine Original Research BACKGROUND: Photoreceptor degeneration is one of the most refractory oculopathy in the world, leading to vision loss in severe cases. Methyprednisolone is one of the most commonly prescribed medications for the treatment of retinal degenerative diseases, either by oral administration or repeated intraocular injections. However, the efficacy was unsatisfactory due to its systemic or local side effects and short retention time within the retina. METHODS: Nanoscale zirconium-porphyrin metal-organic framework (NPMOF) was synthesized and characterized. The biotoxicity and imaging capability of NPMOF were evaluated using zebrafish embryos and larvae. NPMOF was then used as a skeleton and loaded with methylprednisolone (MPS) to prepare a novel kind of nanoparticle, MPS-NPMOF. Photoreceptor degeneration was induced by high-intensity light exposure in adult zebrafish. MPS-NPMOF was delivered to the injured retina by intraocular injection. The photoreceptor regeneration and its underlying mechanism were explored by immunohistochemistry, quantitative real-time polymerase chain reaction and behavioral test. RESULTS: NPMOF not only had low biotoxicity but also emitted bright fluorescence. Following a single MPS-NPMOF intraocular injection, the injured retina exhibited the faster photoreceptor regeneration with better visual function by promoting the cell proliferation. CONCLUSION: NPMOF is an ideal carrier and could be applied in tracking and delivering medications. By intraocular injection, the novel drug delivery system, MPS-NPMOF, accomplishes the sustained release of drug and plays a therapeutic role in photoreceptor degeneration. Dove 2019-12-10 /pmc/articles/PMC6911332/ /pubmed/31849467 http://dx.doi.org/10.2147/IJN.S225992 Text en © 2019 Wang et al. http://creativecommons.org/licenses/by-nc/3.0/ This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php). |
spellingShingle | Original Research Wang, Yajie Liu, Wei Yuan, Bo Yin, Xuebo Li, Yiming Li, Zongjin Cui, Jianlin Yuan, Xiaoyong Li, Yuhao The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration |
title | The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration |
title_full | The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration |
title_fullStr | The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration |
title_full_unstemmed | The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration |
title_short | The Application of Methylprednisolone Nanoscale Zirconium-Porphyrin Metal-Organic Framework (MPS-NPMOF) in the Treatment of Photoreceptor Degeneration |
title_sort | application of methylprednisolone nanoscale zirconium-porphyrin metal-organic framework (mps-npmof) in the treatment of photoreceptor degeneration |
topic | Original Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6911332/ https://www.ncbi.nlm.nih.gov/pubmed/31849467 http://dx.doi.org/10.2147/IJN.S225992 |
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