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Qiao W, Chen J, Zhou H, Hu C, Dalangood S, Li H, Yang D, Yang Y, Gui J. A Single-Atom Manganese Nanozyme Mn-N/C Promotes Anti-Tumor Immune Response via Eliciting Type I Interferon Signaling. Adv Sci (Weinh) 2024; 11:e2305979. [PMID: 38308189 PMCID: PMC11005736 DOI: 10.1002/advs.202305979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 01/17/2024] [Indexed: 02/04/2024]
Abstract
Tumor microenvironment (TME)-induced nanocatalytic therapy is a promising strategy for cancer treatment, but the low catalytic efficiency limits its therapeutic efficacy. Single-atom catalysts (SACs) are a new type of nanozyme with incredible catalytic efficiency. Here, a single-atom manganese (Mn)-N/C nanozyme is constructed. Mn-N/C catalyzes the conversion of cellular H2O2 to ∙OH through a Fenton-like reaction and enables the sufficient generation of reactive oxygen species (ROS), which induces immunogenic cell death (ICD) of tumor cells and significantly promotes CD8+T anti-tumor immunity. Moreover, RNA sequencing analysis reveals that Mn-N/C treatment activates type I interferon (IFN) signaling, which is critical for Mn-N/C-mediated anti-tumor immune response. Mechanistically, the release of cytosolic DNA and Mn2+ triggered by Mn-N/C collectively activates the cGAS-STING pathway, subsequently stimulating type I IFN induction. A highly efficient single-atom nanozyme, Mn-N/C, which enhances anti-tumor immune response and exhibits synergistic therapeutic effects when combined with the anti-PD-L1 blockade, is proposed.
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Affiliation(s)
- Wen Qiao
- State Key Laboratory of Systems Medicine for CancerRenji‐Med X Clinical Stem Cell Research CenterRen Ji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Jingqi Chen
- Institute of Molecular Medicine (IMM)Renji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Huayuan Zhou
- Institute of Molecular Medicine (IMM)Renji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Cegui Hu
- State Key Laboratory of Systems Medicine for CancerRenji‐Med X Clinical Stem Cell Research CenterRen Ji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Sumiya Dalangood
- State Key Laboratory of Systems Medicine for CancerRenji‐Med X Clinical Stem Cell Research CenterRen Ji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Hanjun Li
- State Key Laboratory of Systems Medicine for CancerRenji‐Med X Clinical Stem Cell Research CenterRen Ji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Dandan Yang
- Evergrande Center for Immunologic DiseasesAnn Romney Center for Neurologic DiseasesHarvard Medical School and Mass General BrighamBostonMA02115USA
| | - Yu Yang
- Institute of Molecular Medicine (IMM)Renji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Jun Gui
- State Key Laboratory of Systems Medicine for CancerRenji‐Med X Clinical Stem Cell Research CenterRen Ji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
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Zhang S, Liang Y, Ji P, Zheng R, Lu F, Hou G, Yang G, Yuan L. Truncated PD1 Engineered Gas-Producing Extracellular Vesicles for Ultrasound Imaging and Subsequent Degradation of PDL1 in Tumor Cells. Adv Sci (Weinh) 2024; 11:e2305891. [PMID: 38263860 DOI: 10.1002/advs.202305891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 01/05/2024] [Indexed: 01/25/2024]
Abstract
PDL1 blockade therapy holds great promise in cancer immunotherapy. Ultrasound imaging of PDL1 expression in the tumor is of great importance in predicting the therapeutic efficacy. As a proof-of-concept study, a novel ultrasound contrast agent has been innovated here to image and block PDL1 in the tumor tissue. Briefly, extracellular vesicles (EVs) are engineered to display truncated PD1 (tPD1) on the surface to bind PDL1 with high affinity by fusion to EV-abundant transmembrane protein PTGFRN. The engineered EVs are then encapsulated with Ca(HCO3)2 via electroporation and designated as Gp-EVtPD1, which would recognize PDL1 highly expressed cells and produce gas in the endosomes and lysosomes. On the one hand, the echogenic signal intensity correlates well with the PDL1 expression and immune response inhibition in the tumor. On the other hand, during the trajectory of Gp-EVtPD1 in the recipient cells, tPD1 on the EV binds PDL1 and triggers the PDL1 endocytosis and degradation in endosomes/lysosomes in a sequential manner, and thus boosts the anti-tumor immunity of cytotoxic T cells. In summary, Gp-EVtPD1 serves as a novel ultrasound contrast agent and blocker of PDL1, which might be of great advantage in imaging PDL1 expression and conquering immune checkpoint blocker resistance.
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Affiliation(s)
- Siyan Zhang
- Department of Ultrasound Diagnostics, Tangdu Hospital, Fourth Military Medical University, Xinsi Road No. 569th, Xi'an, 710038, P. R. China
| | - Yuan Liang
- Department of Ultrasound Diagnostics, Tangdu Hospital, Fourth Military Medical University, Xinsi Road No. 569th, Xi'an, 710038, P. R. China
| | - Panpan Ji
- Department of Digestive Surgery, Xijing Hospital, Fourth Military Medical University, Shaanxi, 710032, P. R. China
| | - Rui Zheng
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Changlexi Road No. 169th, Xi'an, 710032, P. R. China
| | - Fan Lu
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Changlexi Road No. 169th, Xi'an, 710032, P. R. China
| | - Guangdong Hou
- Department of Urology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, P. R. China
| | - Guodong Yang
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Changlexi Road No. 169th, Xi'an, 710032, P. R. China
| | - Lijun Yuan
- Department of Ultrasound Diagnostics, Tangdu Hospital, Fourth Military Medical University, Xinsi Road No. 569th, Xi'an, 710038, P. R. China
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Xie F, Zhou X, Fang M, Li H, Su P, Tu Y, Zhang L, Zhou F. Extracellular Vesicles in Cancer Immune Microenvironment and Cancer Immunotherapy. Adv Sci (Weinh) 2019; 6:1901779. [PMID: 31871860 PMCID: PMC6918121 DOI: 10.1002/advs.201901779] [Citation(s) in RCA: 157] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 09/26/2019] [Indexed: 05/10/2023]
Abstract
Extracellular vesicles (EVs) are secreted by almost all cells. They contain proteins, lipids, and nucleic acids which are delivered from the parent cells to the recipient cells. Thereby, they function as mediators of intercellular communication and molecular transfer. Recent evidences suggest that exosomes, a small subset of EVs, are involved in numerous physiological and pathological processes and play essential roles in remodeling the tumor immune microenvironment even before the occurrence and metastasis of cancer. Exosomes derived from tumor cells and host cells mediate their mutual regulation locally or remotely, thereby determining the responsiveness of cancer therapies. As such, tumor-derived circulating exosomes are considered as noninvasive biomarkers for early detection and diagnosis of tumor. Exosome-based therapies are also emerging as cutting-edge and promising strategies that could be applied to suppress tumor progression or enhance anti-tumor immunity. Herein, the current understanding of exosomes and their key roles in modulating immune responses, as well as their potential therapeutic applications are outlined. The limitations of current studies are also presented and directions for future research are described.
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Affiliation(s)
- Feng Xie
- Institute of Biology and Medical ScienceSoochow UniversitySuzhou215123P. R. China
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Xiaoxue Zhou
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
- Key Laboratory of Head & Neck CancerTranslational Research of Zhejiang ProvinceZhejiang Cancer HospitalHangzhou310058P. R. China
| | - Meiyu Fang
- Key Laboratory of Head & Neck CancerTranslational Research of Zhejiang ProvinceZhejiang Cancer HospitalHangzhou310058P. R. China
| | - Heyu Li
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Peng Su
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Yifei Tu
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Long Zhang
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Fangfang Zhou
- Institute of Biology and Medical ScienceSoochow UniversitySuzhou215123P. R. China
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Sugita J, Ohtani H, Mizoi T, Saito K, Shiiba K, Sasaki I, Matsuno S, Yagita H, Miyazawa M, Nagura H. Close association between Fas ligand (FasL; CD95L)-positive tumor-associated macrophages and apoptotic cancer cells along invasive margin of colorectal carcinoma: a proposal on tumor-host interactions. Jpn J Cancer Res 2002; 93:320-8. [PMID: 11927015 PMCID: PMC5926973 DOI: 10.1111/j.1349-7006.2002.tb02175.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Anti-tumor immune responses are considered to be one of the key host reactions in human colorectal cancer, with T cells as important effector cells. For the induction of tumor-specific immunity, processing of cancer cells and priming of T cells by antigen-presenting cells are important. The present study was designed to clarify the relationship between Fas ligand (FasL; CD95L) expression and apoptotic cancer cells. Immunohistochemistry using frozen sections taken from 58 patients with colorectal cancer revealed that stromal cells composed mainly of tumor-associated macrophages expressed FasL, leaving cancer cells negative for FasL. These macrophages were abundantly distributed along the invasive margin. In situ hybridization revealed that these macrophages as well as cancer cells expressed FasL mRNA, whereas macrophages in the normal colon mucosa rarely expressed FasL. Apoptotic cancer cells recognized by monoclonal antibody M30 CytoDEATH were localized not only in cancer cell nests, but also in the stroma along the invasive margin showing a dissociated pattern, which was particularly evident in the areas of FasL+ macrophages. Furthermore, these macrophages, phenotypically similar to dendritic cells, occasionally contained M30+ apoptotic cancer cells in the cytoplasm. Clinicopathologic analyses in 123 cases revealed 1) a positive correlation between the degree of dissociated M30+ apoptotic cancer cells and the number of macrophages along the invasive margin and 2) an inverse association between the degree of dissociated M30+ apoptotic cancer cells and the occurrence of hematogenous metastasis after surgical resection of the primary tumor. In conclusion, the present study shows the importance of FasL+ activated macrophages as one of the host defense mechanisms against cancer cell spread in human colorectal cancer.
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Affiliation(s)
- Junichi Sugita
- Department of Pathology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai 980-8575, Japan.
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Yano T, Ishikura H, Kato H, Ogawa Y, Kondo S, Kato H, Yoshiki T. Vaccination effect of interleukin-6-producing pancreatic cancer cells in nude mice: a model of tumor prevention and treatment in immune-compromised patients. Jpn J Cancer Res 2001; 92:83-7. [PMID: 11173548 PMCID: PMC5926582 DOI: 10.1111/j.1349-7006.2001.tb01051.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
In an effort to explore properties important in hematogenous metastasis of pancreatic adenocarcinoma, we previously demonstrated that tumor-derived interleukin (IL)-6 is a crucial factor that conveys resistance to liver metastasis. Here we extend the study to examine a possible vaccination effect of tumor-derived IL-6 in T-cell-deficient nude mice, as a model for predicting the effect in immune-compromised patients. We used a pair of IL-6-nonproducing and highly producing pancreatic adenocarcinoma cell lines, PCI-43 and PCI-43h, respectively. The reaction intensity of anti-PCI IgG antibodies in host nude mice was maximal 28 days after inoculation of PCI-43h cells, and remained high thereafter. A fraction of the pancreatic carcinoma cell lines, namely, PCI-6, -10, and -43, expressed surface antigenic determinant(s) reactive with the IgG; but the others, PCI-19, -24, -55, -64, -66, -68, -72, and -79, did not. Inoculation of PCI-43h but not PCI-43 suppressed growth of simultaneously inoculated PCI-43, but not PCI-24 xenografts. In addition, administration of PCI-43h, but not PCI-43 suppressed the growth of PCI-43 that was xenografted 4 weeks later, thus revealing a vaccination effect of IL-6-producing PCI-43h, but not IL-6-nonproducing PCI-43. These data, obtained from T-cell-deficient nude mice, suggest an in vivo role for IL-6 in inducing IgG-mediated, pancreatic carcinoma-specific vaccination against a thymus-independent antigen.
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Affiliation(s)
- T Yano
- Department of Pathology, Hokkaido University School of Medicine, Kita-ku, Sapporo 060-8638, Japan
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Abstract
We investigated the mechanism of host immune responses against two interferon-gamma (IFN-gamma) gene-transduced tumors, plasmacytoma MOPC104E(Mu gamma) and mammary cancer SC115(K gamma), which originally had weak immunogenicity. Both IFN-gamma-producing tumor cells had reduced tumorigenicity and were rejected by syngeneic mice. The rejection was completely blocked by in vivo treatment with anti-CD8 or anti-IFN-gamma monoclonal antibodies. While anti-CD4 monoclonal antibody also blocked the rejection of SC115(K gamma), it enhanced the initial tumor growth of MOPC104E(Mu gamma). Specific protection against subsequent challenge with the respective parental tumor cells was demonstrated in mice which rejected the IFN-gamma-producing tumor cells. Cultured lymphocytes derived from immunized mouse spleens had cytotoxic T cell activity against parental tumor cells, as well as against cells that produced IFN-gamma. These findings indicate that the antitumor effects are mediated by cytotoxic T cells and, partly, by helper T cells, and that locally secreted IFN-gamma plays an important role in generating these effector cells.
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Affiliation(s)
- Y Teramura
- Institute for Immunology, Kyoto University
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Abstract
In order to elucidate the role of biological response modifiers (BRMs) in anti-tumor immunotherapy, we examined their effect on the induction of anti-tumor immunity in low-responder mice which hardly exhibit anti-tumor resistance against syngeneic Rous sarcoma virus (RSV)-induced tumors, such as B10 or B10.BR mice. The anti-tumor immunity induction in the low-responder mice was 0% on immunization with mitomycin C-treated syngeneic tumor cells alone. However, if BRMs were used as an adjuvant, BCG cell wall skeleton, OK-432 or lentinan augmented the induction of anti-tumor immunity to 50%, 33% and 33%, respectively. In the low-responder mice treated with BRMs, the anti-tumor immune cells had antigen-specificity at the induction phase of in vitro restimulation but not at the effector phase of target cell lysis by the stimulated cells. When T cells were depleted from immune spleen cells just before in vitro stimulation, cytotoxicity was not induced. Furthermore, cytotoxicity was not induced if accessory cells were removed from immune spleen cells at the induction phase. However, cytotoxicity at the effector phase was not mediated by T-lymphocytes, but by non-T cells. These results suggested that the induced cytotoxicity in low-responder mice was associated with the delayed-typed hypersensitivity-like effector mechanism.
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Affiliation(s)
- T Toko
- Department of Immunology, Kochi Medical School
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