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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201904639
|2 doi
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|a pubmed24n1009.xml
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|a eng
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| 100 |
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|a Gao, Fan
|e verfasserin
|4 aut
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|a Intra/Extracellular Lactic Acid Exhaustion for Synergistic Metabolic Therapy and Immunotherapy of Tumors
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|c 2019
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 30.04.2020
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Regulating the tumor microenvironment (TME) has been a promising strategy to improve antitumor therapy. Here, a red blood cell membrane (mRBC)-camouflaged hollow MnO2 (HMnO2 ) catalytic nanosystem embedded with lactate oxidase (LOX) and a glycolysis inhibitor (denoted as PMLR) is constructed for intra/extracellular lactic acid exhaustion as well as synergistic metabolic therapy and immunotherapy of tumor. Benefiting from the long-circulation property of the mRBC, the nanosystem can gradually accumulate in a tumor site through the enhanced permeability and retention (EPR) effect. The extracellular nanosystem consumes lactic acid in the TME by catalyzing its oxidation reaction via LOX. Meanwhile, the intracellular nanosystem releases the glycolysis inhibitor to cut off the source of lactic acid, as well as achieve antitumor metabolic therapy through the blockade of the adenosine triphosphate (ATP) supply. Both the extracellular and intracellular processes can be sensitized by O2 , which can be produced during the decomposition of endogenous H2 O2 catalyzed by the PMLR nanosystem. The results show that the PMLR nanosystem can ceaselessly remove lactic acid, and then lead to an immunocompetent TME. Moreover, this TME regulation strategy can effectively improve the antitumor effect of anti-PDL1 therapy without the employment of any immune agonists to avoid the autoimmunity
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|a Journal Article
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|a antitumor therapy
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|a catalytic nanosystems
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|a immunotherapy
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| 650 |
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|a lactic acid
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|a metabolic therapy
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| 650 |
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|a Lactic Acid
|2 NLM
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| 650 |
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|a 33X04XA5AT
|2 NLM
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| 700 |
1 |
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|a Tang, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Wen-Long
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zou, Mei-Zhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Cui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Chuan-Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xian-Zheng
|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 31(2019), 51 vom: 11. Dez., Seite e1904639
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|x 1521-4095
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|g volume:31
|g year:2019
|g number:51
|g day:11
|g month:12
|g pages:e1904639
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|u http://dx.doi.org/10.1002/adma.201904639
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