In Situ Hydrogel Modulates cDC1-Based Antigen Presentation and Cancer Stemness to Enhance Cancer Vaccine Efficiency
© 2023 The Authors. Advanced Science published by Wiley‐VCH GmbH..
Effective presentation of antigens by dendritic cells (DC) is essential for achieving a robust cytotoxic T lymphocytes (CTLs) response, in which cDC1 is the key DC subtype for high-performance activation of CTLs. However, low cDC1 proportion, complex process, and high cost severely hindered cDC1 generation and application. Herein, the study proposes an in situ cDC1 recruitment and activation strategy with simultaneous inhibiting cancer stemness for inducing robust CTL responses and enhancing the anti-tumor effect. Fms-like tyrosine kinase 3 ligand (FLT3L), Poly I:C, and Nap-CUM (NCUM), playing the role of cDC1 recruitment, cDC1 activation, inducing antigen release and decreasing tumor cell stemness, respectively, are co-encapsulated in an in situ hydrogel vaccine (FP/NCUM-Gel). FP/NCUM-Gel is gelated in situ after intra-tumoral injection. With the near-infrared irradiation, tumor cell immunogenic cell death occurred, tumor antigens and immunogenic signals are released in situ. cDC1 is recruited to tumor tissue and activated for antigen cross-presentation, followed by migrating to lymph nodes and activating CTLs. Furthermore, tumor cell stemness are inhibited by napabucasin, which can help CTLs to achieve comprehensive tumor killing. Collectively, the proposed strategy of cDC1 in situ recruitment and activation combined with stemness inhibition provides great immune response and anti-tumor potential, providing new ideas for clinical tumor vaccine design.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Advanced science (Weinheim, Baden-Wurttemberg, Germany) - (2024) vom: 02. Apr., Seite e2305832 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gao, Tong [VerfasserIn] |
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| Links: |
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| Themen: |
CDC1 vaccine |
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| Anmerkungen: |
Date Revised 02.04.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1002/advs.202305832 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370542061 |
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| 520 | |a Effective presentation of antigens by dendritic cells (DC) is essential for achieving a robust cytotoxic T lymphocytes (CTLs) response, in which cDC1 is the key DC subtype for high-performance activation of CTLs. However, low cDC1 proportion, complex process, and high cost severely hindered cDC1 generation and application. Herein, the study proposes an in situ cDC1 recruitment and activation strategy with simultaneous inhibiting cancer stemness for inducing robust CTL responses and enhancing the anti-tumor effect. Fms-like tyrosine kinase 3 ligand (FLT3L), Poly I:C, and Nap-CUM (NCUM), playing the role of cDC1 recruitment, cDC1 activation, inducing antigen release and decreasing tumor cell stemness, respectively, are co-encapsulated in an in situ hydrogel vaccine (FP/NCUM-Gel). FP/NCUM-Gel is gelated in situ after intra-tumoral injection. With the near-infrared irradiation, tumor cell immunogenic cell death occurred, tumor antigens and immunogenic signals are released in situ. cDC1 is recruited to tumor tissue and activated for antigen cross-presentation, followed by migrating to lymph nodes and activating CTLs. Furthermore, tumor cell stemness are inhibited by napabucasin, which can help CTLs to achieve comprehensive tumor killing. Collectively, the proposed strategy of cDC1 in situ recruitment and activation combined with stemness inhibition provides great immune response and anti-tumor potential, providing new ideas for clinical tumor vaccine design | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a cDC1 vaccine | |
| 650 | 4 | |a cancer combination therapy | |
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| 700 | 1 | |a Liang, Shuang |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Xinyan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Jinhu |e verfasserin |4 aut | |
| 700 | 1 | |a Gu, Panpan |e verfasserin |4 aut | |
| 700 | 1 | |a Fu, Shunli |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Na |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yongjun |e verfasserin |4 aut | |
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