LRP-1 functionalized polymersomes enhance the efficacy of carnosine in experimental stroke

Stroke is one of the commonest causes of death with limited treatment options. L-Carnosine has shown great promise as a neuroprotective agent in experimental stroke, but translation to the clinic is impeded by the large doses needed. We developed and evaluated the therapeutic potential of a novel de...

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Veröffentlicht in:Scientific reports 2020-01, Vol.10 (1), p.699, Article 699
Hauptverfasser: Kim, Eun-Sun, Kim, Donghyun, Nyberg, Sophie, Poma, Alessandro, Cecchin, Denis, Jain, Saurabh A., Kim, Kyeong-A, Shin, Young-Jun, Kim, Eun-Hye, Kim, Minyeong, Baek, Seung-Hoon, Kim, Jin-Ki, Doeppner, Thorsten R., Ali, Ali, Redgrave, Jessica, Battaglia, Giuseppe, Majid, Arshad, Bae, Ok-Nam
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container_title Scientific reports
container_volume 10
creator Kim, Eun-Sun
Kim, Donghyun
Nyberg, Sophie
Poma, Alessandro
Cecchin, Denis
Jain, Saurabh A.
Kim, Kyeong-A
Shin, Young-Jun
Kim, Eun-Hye
Kim, Minyeong
Baek, Seung-Hoon
Kim, Jin-Ki
Doeppner, Thorsten R.
Ali, Ali
Redgrave, Jessica
Battaglia, Giuseppe
Majid, Arshad
Bae, Ok-Nam
description Stroke is one of the commonest causes of death with limited treatment options. L-Carnosine has shown great promise as a neuroprotective agent in experimental stroke, but translation to the clinic is impeded by the large doses needed. We developed and evaluated the therapeutic potential of a novel delivery vehicle which encapsulated carnosine in lipoprotein receptor related protein-1 (LRP-1)-targeted functionalized polymersomes in experimental ischemic stroke. We found that following ischemic stroke, polymersomes encapsulating carnosine exhibited remarkable neuroprotective effects with a dose of carnosine 3 orders of magnitude lower than free carnosine. The LRP-1-targeted functionalization was essential for delivery of carnosine to the brain, as non-targeted carnosine polymersomes did not exhibit neuroprotection. Using Cy3 fluorescence in vivo imaging, we showed that unlike non-targeted carnosine polymersomes, LRP-1-targeted carriers accumulated in brain in a time dependent manner. Our findings suggest that these novel carriers have the ability to deliver neuroprotective cargo effectively to the brain.
doi_str_mv 10.1038/s41598-020-57685-5
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L-Carnosine has shown great promise as a neuroprotective agent in experimental stroke, but translation to the clinic is impeded by the large doses needed. We developed and evaluated the therapeutic potential of a novel delivery vehicle which encapsulated carnosine in lipoprotein receptor related protein-1 (LRP-1)-targeted functionalized polymersomes in experimental ischemic stroke. We found that following ischemic stroke, polymersomes encapsulating carnosine exhibited remarkable neuroprotective effects with a dose of carnosine 3 orders of magnitude lower than free carnosine. The LRP-1-targeted functionalization was essential for delivery of carnosine to the brain, as non-targeted carnosine polymersomes did not exhibit neuroprotection. Using Cy3 fluorescence in vivo imaging, we showed that unlike non-targeted carnosine polymersomes, LRP-1-targeted carriers accumulated in brain in a time dependent manner. 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Kim, Donghyun ; Nyberg, Sophie ; Poma, Alessandro ; Cecchin, Denis ; Jain, Saurabh A. ; Kim, Kyeong-A ; Shin, Young-Jun ; Kim, Eun-Hye ; Kim, Minyeong ; Baek, Seung-Hoon ; Kim, Jin-Ki ; Doeppner, Thorsten R. ; Ali, Ali ; Redgrave, Jessica ; Battaglia, Giuseppe ; Majid, Arshad ; Bae, Ok-Nam</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c474t-51c16a3ab9320c16a87f3c8afcded7584275201a15a0f215ba62c135b7b375723</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>14/28</topic><topic>631/378/340</topic><topic>64/60</topic><topic>692/617/375/534</topic><topic>Animals</topic><topic>Brain Chemistry</topic><topic>Brain damage</topic><topic>Brain Ischemia - drug therapy</topic><topic>Carnosine</topic><topic>Carnosine - administration &amp; dosage</topic><topic>Carnosine - chemistry</topic><topic>Carnosine - pharmacokinetics</topic><topic>Disease Models, Animal</topic><topic>Drug Carriers - chemistry</topic><topic>Drug Compounding</topic><topic>Drug dosages</topic><topic>Humanities and Social Sciences</topic><topic>Hydration</topic><topic>Ischemia</topic><topic>Low Density Lipoprotein Receptor-Related Protein-1 - metabolism</topic><topic>Male</topic><topic>Mice</topic><topic>Morphology</topic><topic>multidisciplinary</topic><topic>Neuroimaging</topic><topic>Neuroprotection</topic><topic>Peptides - chemistry</topic><topic>Peptides - metabolism</topic><topic>Pharmaceutical sciences</topic><topic>Pharmacy</topic><topic>Rats</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><topic>Stroke</topic><topic>Stroke - drug therapy</topic><topic>Time Factors</topic><topic>Transmission electron microscopy</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Eun-Sun</creatorcontrib><creatorcontrib>Kim, Donghyun</creatorcontrib><creatorcontrib>Nyberg, Sophie</creatorcontrib><creatorcontrib>Poma, Alessandro</creatorcontrib><creatorcontrib>Cecchin, Denis</creatorcontrib><creatorcontrib>Jain, Saurabh A.</creatorcontrib><creatorcontrib>Kim, Kyeong-A</creatorcontrib><creatorcontrib>Shin, Young-Jun</creatorcontrib><creatorcontrib>Kim, Eun-Hye</creatorcontrib><creatorcontrib>Kim, Minyeong</creatorcontrib><creatorcontrib>Baek, Seung-Hoon</creatorcontrib><creatorcontrib>Kim, Jin-Ki</creatorcontrib><creatorcontrib>Doeppner, Thorsten R.</creatorcontrib><creatorcontrib>Ali, Ali</creatorcontrib><creatorcontrib>Redgrave, Jessica</creatorcontrib><creatorcontrib>Battaglia, Giuseppe</creatorcontrib><creatorcontrib>Majid, Arshad</creatorcontrib><creatorcontrib>Bae, Ok-Nam</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health &amp; 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L-Carnosine has shown great promise as a neuroprotective agent in experimental stroke, but translation to the clinic is impeded by the large doses needed. We developed and evaluated the therapeutic potential of a novel delivery vehicle which encapsulated carnosine in lipoprotein receptor related protein-1 (LRP-1)-targeted functionalized polymersomes in experimental ischemic stroke. We found that following ischemic stroke, polymersomes encapsulating carnosine exhibited remarkable neuroprotective effects with a dose of carnosine 3 orders of magnitude lower than free carnosine. The LRP-1-targeted functionalization was essential for delivery of carnosine to the brain, as non-targeted carnosine polymersomes did not exhibit neuroprotection. Using Cy3 fluorescence in vivo imaging, we showed that unlike non-targeted carnosine polymersomes, LRP-1-targeted carriers accumulated in brain in a time dependent manner. 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subjects 14/28
631/378/340
64/60
692/617/375/534
Animals
Brain Chemistry
Brain damage
Brain Ischemia - drug therapy
Carnosine
Carnosine - administration & dosage
Carnosine - chemistry
Carnosine - pharmacokinetics
Disease Models, Animal
Drug Carriers - chemistry
Drug Compounding
Drug dosages
Humanities and Social Sciences
Hydration
Ischemia
Low Density Lipoprotein Receptor-Related Protein-1 - metabolism
Male
Mice
Morphology
multidisciplinary
Neuroimaging
Neuroprotection
Peptides - chemistry
Peptides - metabolism
Pharmaceutical sciences
Pharmacy
Rats
Science
Science (multidisciplinary)
Stroke
Stroke - drug therapy
Time Factors
Transmission electron microscopy
Treatment Outcome
title LRP-1 functionalized polymersomes enhance the efficacy of carnosine in experimental stroke
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