Neutrophil hitchhiking nanoparticles enhance bacteria-mediated cancer therapy via NETosis reprogramming
Copyright © 2024 Elsevier B.V. All rights reserved..
Bacteria have shown great potential in anti-tumor treatment, and an attenuated strain of Salmonella named VNP20009 has been shown to be safe in clinical trials. However, colonized bacteria recruit neutrophils into the tumor, which release NETs to capture and eliminate bacteria, compromising bacterial-based tumor treatment. In this study, we report a neutrophil hitchhiking nanoparticles (SPPS) that block the formation of NET to enhance bacteria-mediated tumor therapy. In the 4 T1 tumor-bearing mouse model, following 24 h of bacterial therapy, there was an approximately 3.0-fold increase in the number of neutrophils in the bloodstream, while the amount of SPPS homing to tumor tissue through neutrophil hitchhiking increased approximately 2.0-fold. It is worth noting that the NETs in tumors significantly decreased by approximately 2.0-fold through an intracellular ROS scavenging-mediated NETosis reprogramming, thereby increasing bacterial vitality by 1.9-fold in tumors. More importantly, the gene drug (siBcl-2) loaded in SPPS can be re-encapsulated in apoptotic bodies by reprogramming neutrophils from NETosis to apoptosis, and enable the redelivery of drugs to tumor cells, further boosting the antitumor efficacy with a synergistic effect, resulting in about 98% tumor inhibition rate and 90% survival rate.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:367 |
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| Enthalten in: |
Journal of controlled release : official journal of the Controlled Release Society - 367(2024) vom: 01. März, Seite 661-675 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhao, Yuzhen [VerfasserIn] |
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| Links: |
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| Themen: |
Bacteria-mediated tumor therapy |
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| Anmerkungen: |
Date Completed 25.03.2024 Date Revised 25.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jconrel.2024.01.068 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367912899 |
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| 520 | |a Copyright © 2024 Elsevier B.V. All rights reserved. | ||
| 520 | |a Bacteria have shown great potential in anti-tumor treatment, and an attenuated strain of Salmonella named VNP20009 has been shown to be safe in clinical trials. However, colonized bacteria recruit neutrophils into the tumor, which release NETs to capture and eliminate bacteria, compromising bacterial-based tumor treatment. In this study, we report a neutrophil hitchhiking nanoparticles (SPPS) that block the formation of NET to enhance bacteria-mediated tumor therapy. In the 4 T1 tumor-bearing mouse model, following 24 h of bacterial therapy, there was an approximately 3.0-fold increase in the number of neutrophils in the bloodstream, while the amount of SPPS homing to tumor tissue through neutrophil hitchhiking increased approximately 2.0-fold. It is worth noting that the NETs in tumors significantly decreased by approximately 2.0-fold through an intracellular ROS scavenging-mediated NETosis reprogramming, thereby increasing bacterial vitality by 1.9-fold in tumors. More importantly, the gene drug (siBcl-2) loaded in SPPS can be re-encapsulated in apoptotic bodies by reprogramming neutrophils from NETosis to apoptosis, and enable the redelivery of drugs to tumor cells, further boosting the antitumor efficacy with a synergistic effect, resulting in about 98% tumor inhibition rate and 90% survival rate | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Drug delivery | |
| 650 | 4 | |a Neutrophil extracellular traps | |
| 650 | 4 | |a Neutrophil reprogramming | |
| 650 | 4 | |a Neutrophils hitchhiking | |
| 650 | 4 | |a bacteria-mediated tumor therapy | |
| 700 | 1 | |a Li, Mingge |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Yue |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Jian |e verfasserin |4 aut | |
| 700 | 1 | |a Pei, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Wenya |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Changhua |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Wenyan |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Jinjin |e verfasserin |4 aut | |
| 700 | 1 | |a Yin, Na |e verfasserin |4 aut | |
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