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240201s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202311500
|2 doi
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|a pubmed24n1395.xml
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|a eng
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|a Xiang, Yufan
|e verfasserin
|4 aut
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|a Mitocytosis Mediated by an Enzyme-Activable Mitochondrion-Disturbing Polymer-Drug Conjugate Enhances Active Penetration in Glioblastoma Therapy
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 02.05.2024
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|a Date Revised 02.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a The application of nanomedicines for glioblastoma (GBM) therapy is hampered by the blood-brain barrier (BBB) and the dense glioblastoma tissue. To achieve efficient BBB crossing and deep GBM penetration, this work demonstrates a strategy of active transcellular transport of a mitochondrion-disturbing nanomedicine, pGBEMA22-b-pSSPPT9 (GBEPPT), in the GBM tissue through mitocytosis. GBEPPT is computer-aided designed and prepared by self-assembling a conjugate of an amphiphilic block polymer and a drug podophyllotoxin (PPT). When GBEPPT is delivered to the tumor site, overexpressed γ-glutamyl transpeptidase (GGT) on the brain-blood endothelial cell, or the GBM cell triggered enzymatic hydrolysis of γ-glutamylamide on GBEPPT to reverse its negative charge to positive. Positively charged GBEPPT rapidly enter into the cell and target the mitochondria. These GBEPPT disturb the homeostasis of mitochondria, inducing mitocytosis-mediated extracellular transport of GBEPPT to the neighboring cells via mitosomes. This intracellular-to-intercellular delivery cycle allows GBEPPT to penetrate deeply into the GBM parenchyma, and exert sustainable action of PPT released from GBEPPT on the tumor cells along its penetration path at the tumor site, thus improving the anti-GBM effect. The process of mitocytosis mediated by the mitochondrion-disturbing nanomedicine may offer great potential in enhancing drug penetration through malignant tissues, especially poorly permeable solid tumors
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|a Journal Article
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|a glioblastoma
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|a mitochondrion targeting
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|a mitocytosis
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|a nanomedicine
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|a tumor penetration
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|a Polymers
|2 NLM
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|a Podophyllotoxin
|2 NLM
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|a L36H50F353
|2 NLM
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|a Antineoplastic Agents
|2 NLM
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|a gamma-Glutamyltransferase
|2 NLM
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|a EC 2.3.2.2
|2 NLM
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| 650 |
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|a Drug Carriers
|2 NLM
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| 700 |
1 |
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|a Wang, Bing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Wanchun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Xiuli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Rongjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gong, Qiyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gu, Zhongwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yanhui
|e verfasserin
|4 aut
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| 700 |
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|a Luo, Kui
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 18 vom: 01. Mai, Seite e2311500
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:18
|g day:01
|g month:05
|g pages:e2311500
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|u http://dx.doi.org/10.1002/adma.202311500
|3 Volltext
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