1
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Zhang Y, Gao Y, Li N, Xu L, Wang Y, Liu H. Polypropylene sulfide methotrexate nanoparticles target the synovial lymphatic system to restore immune tolerance in rheumatoid arthritis. Int J Pharm 2024; 665:124713. [PMID: 39284426 DOI: 10.1016/j.ijpharm.2024.124713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 09/11/2024] [Accepted: 09/11/2024] [Indexed: 09/21/2024]
Abstract
Around 40 % of patients fail to achieve primary clinical outcomes for rheumatoid arthritis (RA). The growth of lymphatic system in the synovial membrane, is a primary response during RA inflammation. It is suggested that a delivery strategy targeting immunosuppressive agents to the synovial lymph nodes and then to the immune cells is beneficial for resolving arthritis. This study introduced a synthetic polypropylene sulfide methotrexate nano-delivery system (PPS-MTX), which was prepared by covalently bonding methotrexate to polypropylene sulfide, with a diameter size range of 36 nm. It enhanced joint accumulation and retention, which can be selectively uptake by antigen-presenting cells in the synovial lymphatic system. The results indicated that PPS-MTX nanoparticles effectively improved arthritis disease progression and restored the immune tolerance microenvironment in the synovial lymphatic system, promoting peripheral tolerance in collagen-induced arthritis mice. Additionally, no systemic toxicity was observed. This study presents a promising targeted strategy for inducing immune tolerance in the treatment of rheumatoid arthritis.
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Affiliation(s)
- Yingxi Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Yuan Gao
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Ning Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Linyi Xu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Yongjun Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China; Joint International Research Laboratory of Intelligent Drug Delivery Systems, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Hongzhuo Liu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China; Joint International Research Laboratory of Intelligent Drug Delivery Systems, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China.
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2
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Sassi M, Curran SJ, Bishop LR, Liu Y, Kovacs JA. CD40 Expression by B Cells Is Required for Optimal Immunity to Murine Pneumocystis Infection. J Infect Dis 2024; 230:1033-1041. [PMID: 38478734 DOI: 10.1093/infdis/jiae133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/01/2024] [Accepted: 03/08/2024] [Indexed: 03/26/2024] Open
Abstract
CD40-CD40 ligand interactions are critical for controlling Pneumocystis infection. However, which CD40-expressing cell populations are important for this interaction have not been well defined. We used a cohousing mouse model of Pneumocystis infection, combined with flow cytometry and quantitative polymerase chain reaction, to examine the ability of different populations of cells from C57BL/6 mice to reconstitute immunity in CD40 knockout mice. Unfractionated splenocytes, as well as purified B cells, were able to control Pneumocystis infection, while B cell-depleted splenocytes and unstimulated bone marrow-derived dendritic cells were unable to control infection in CD40 knockout mice. Pneumocystis antigen-pulsed bone marrow-derived dendritic cells showed early but limited control of infection. Additional findings were consistent with recent studies that suggested a role for antigen presentation by B cells; specifically, by using cells from immunized animals, B cells were able to present Pneumocystis antigens to induce proliferation of T cells. Thus, CD40 expression by B cells appears necessary for robust immunity to Pneumocystis.
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Affiliation(s)
- Monica Sassi
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Shelly J Curran
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Lisa R Bishop
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Yueqin Liu
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Joseph A Kovacs
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
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3
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Rivero-Hernández AL, Hervis YP, Valdés-Tresanco ME, Escalona-Rodríguez FA, Cancelliere R, Relova-Hernández E, Romero-Hernández G, Pérez-Rivera E, Torres-Palacios Y, Cartaya-Quintero P, Ros U, Porchetta A, Micheli L, Fernández LE, Laborde R, Álvarez C, Sagan S, Lanio ME, Pazos Santos IF. Decoupling immunomodulatory properties from lipid binding in the α-pore-forming toxin Sticholysin II. Int J Biol Macromol 2024; 280:136244. [PMID: 39368578 DOI: 10.1016/j.ijbiomac.2024.136244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 09/28/2024] [Accepted: 09/30/2024] [Indexed: 10/07/2024]
Abstract
Sticholysin II (StII), a pore-forming toxin from the marine anemone Stichodactyla helianthus, enhances an antigen-specific cytotoxic T lymphocyte (CTL) response when co-encapsulated in liposomes with a model antigen. This capacity does not depend exclusively on its pore-forming activity and is partially supported by its ability to activate Toll-like receptor 4 (TLR4) in dendritic cells, presumably by interacting with this receptor or by triggering signaling cascades upon binding to lipid membrane. In order to investigate whether the lipid binding capacity of StII is required for immunomodulation, we designed a mutant in which the aromatic amino acids from the interfacial binding site Trp110, Tyr111 and Trp114 were substituted by Ala. In the present work, we demonstrated that StII3A keeps the secondary structure composition and global folding of StII, while it loses its lipid binding and permeabilization abilities. Despite this, StII3A upregulates dendritic cells maturation markers, enhances an antigen-specific effector CD8+ T cells response and confers antitumor protection in a preventive scenario in C57BL/6 mice. Our results indicate that a mechanism independent of its lipid binding ability is involved in the immunomodulatory capacity of StII, pointing to StII3A as a promising candidate to improve the reliability of the Sts-based vaccine platform.
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Affiliation(s)
- Ada L Rivero-Hernández
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
| | - Yadira P Hervis
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France
| | - Mario E Valdés-Tresanco
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; Center for Molecular Simulations and Department of Biological Sciences, University of Calgary, Alberta T2N 1N4, Canada.
| | - Felipe A Escalona-Rodríguez
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
| | - Rocco Cancelliere
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, Rome 00133, Italy.
| | | | - Glenda Romero-Hernández
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
| | - Eric Pérez-Rivera
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba
| | - Yusniel Torres-Palacios
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
| | - Patricia Cartaya-Quintero
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba
| | - Uris Ros
- Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Cologne 50931, Germany.
| | - Alessandro Porchetta
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, Rome 00133, Italy.
| | - Laura Micheli
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, Rome 00133, Italy.
| | | | - Rady Laborde
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
| | - Carlos Álvarez
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
| | - Sandrine Sagan
- Sorbonne Université, École normale supérieure, PSL University, CNRS, Laboratoire des Biomolécules, LBM, 75005 Paris, France.
| | - Maria Eliana Lanio
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
| | - Isabel F Pazos Santos
- Center for Protein Studies/Department of Biochemistry, Faculty of Biology, University of Havana, Havana 10400, Cuba; NanoCancer, Center of Molecular Immunology (CIM), Havana 11600, Cuba.
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4
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Zhang Q, Qu Y, Zhao H, Chen S, Liu Z, Li J, Li Y, Li J, Sun D. A Magnetically Driven Biodegradable Microsphere with Mass Production Capability for Subunit Vaccine Delivery and Enhanced Immunotherapy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:50344-50359. [PMID: 39265074 DOI: 10.1021/acsami.4c10301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/14/2024]
Abstract
Subunit vaccines have emerged as a promising strategy in immunotherapy for combating viral infections and cancer. Nevertheless, the clinical application of subunit vaccines is hindered by limitations in antigen delivery efficiency, characterized by rapid clearance and inadequate cellular uptake. Here, a novel subunit vaccine delivery system utilizing ovalbumin@magnetic nanoparticles (OVA@MNPs) encapsulated within biodegradable gelatin methacryloyl (GelMA) microspheres was proposed to enhance the efficacy of antigen delivery. OVA@MNPs-loaded GelMA microspheres, denoted as OMGMs, can be navigated through magnetic fields to deliver subunit vaccines into the lymphatic system efficiently. Moreover, the biodegradable OMGMs enabled the sustained release of subunit vaccines, concentrating OVA around lymph nodes and enhancing the efficacy of induced immune response. OMGMs were produced through a microfluidic droplet generation technique, enabling mass production. In murine models, OMGMs successfully accumulated antigens in lymph nodes abundant in antigen-presenting cells, leading to enhanced cellular and humoral immunity and pronounced antitumor effects with a single booster immunization. In conclusion, these findings highlight the promise of OMGMs as a practical subunit vaccination approach, thus addressing the limitations associated with antigen delivery efficiency and paving the way for advanced immunotherapeutic strategies.
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Affiliation(s)
- Qi Zhang
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
| | - Yun Qu
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
| | - Han Zhao
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
| | - Shuxun Chen
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
| | - Zhen Liu
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
| | - Jianing Li
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
| | - Yanfang Li
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
| | - Junyang Li
- Department of Electronic Engineering, Ocean University of China, Qingdao 266000, China
| | - Dong Sun
- Department of Biomedical Engineering, City University of Hong Kong, 999077 Hong Kong, SAR, China
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5
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Ren H, Zhu A, Yang W, Jia Y, Cheng H, Wu Y, Tang Z, Ye W, Sun M, Xie Y, Yu M, Chen Y. 2D Differential Metallic Immunopotentiators Drive High Diversity and Capability of Antigen-specific Immunity Against Tumor. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2405729. [PMID: 39225346 DOI: 10.1002/advs.202405729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 07/27/2024] [Indexed: 09/04/2024]
Abstract
The therapeutic efficacy of vaccines for treating cancers in clinics remains limited. Here, a rationally designed cancer vaccine by placing immunogenically differential and clinically approved aluminum (Al) or manganese (Mn) in a 2D nanosheet (NS) architecture together with antigens is reported. Structurally optimal NS with a high molar ratio of Mn to Al (MANS-H) features distinctive immune modulation, markedly promoting the influx of heterogeneous innate immune cells at the injection site. Stimulation of multiple subsets of dendritic cells (DCs) significantly increases the levels, subtypes, and functionalities of antigen-specific T cells. MANS-H demonstrates even greater effectiveness in the production of antigen-specific antibodies than the commercial adjuvant (Alhydrogel) by priming T helper (Th)2 cells rather than T follicular helper (Tfh) cells. Beyond humoral immunity, MANS-H evokes high frequencies of antigen-specific Th1 and CD8+ cell immunity, which are comparable with Quil-A that is widely used in veterinary vaccines. Immunized mice with MANS-H adjuvanted vaccines exert strong potency in tumor regression by promoting effector T cells infiltrating at tumor and overcoming tumor resistance in multiple highly aggressive tumor models. The engineered immunogen with an intriguing NS architecture and safe immunopotentiators offers the next clinical advance in cancer immunotherapy.
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Affiliation(s)
- Hongze Ren
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
- School of medicine, Shanghai University, Shanghai, 200444, China
| | - Anqi Zhu
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200070, China
| | - Wei Yang
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200092, China
| | - Yiwen Jia
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Hui Cheng
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Ye Wu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
- School of medicine, Shanghai University, Shanghai, 200444, China
| | - Zhengqi Tang
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Weifan Ye
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Mayu Sun
- Laboratory Center, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yujie Xie
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
- School of medicine, Shanghai University, Shanghai, 200444, China
| | - Meihua Yu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Yu Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
- School of medicine, Shanghai University, Shanghai, 200444, China
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6
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Schmidt S, Mondino S, Gomez-Valero L, Escoll P, Mascarenhas DPA, Gonçalves A, Camara PHM, Garcia Rodriguez FJ, Rusniok C, Sachse M, Moya-Nilges M, Fontaine T, Zamboni DS, Buchrieser C. The unique Legionella longbeachae capsule favors intracellular replication and immune evasion. PLoS Pathog 2024; 20:e1012534. [PMID: 39259722 PMCID: PMC11419355 DOI: 10.1371/journal.ppat.1012534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 09/23/2024] [Accepted: 08/26/2024] [Indexed: 09/13/2024] Open
Abstract
Legionella longbeachae and Legionella pneumophila are the most common causative agents of Legionnaires' disease. While the clinical manifestations caused by both species are similar, species-specific differences exist in environmental niches, disease epidemiology, and genomic content. One such difference is the presence of a genomic locus predicted to encode a capsule. Here, we show that L. longbeachae indeed expresses a capsule in post-exponential growth phase as evidenced by electron microscopy analyses, and that capsule expression is abrogated when deleting a capsule transporter gene. Capsule purification and its analysis via HLPC revealed the presence of a highly anionic polysaccharide that is absent in the capsule mutant. The capsule is important for replication and virulence in vivo in a mouse model of infection and in the natural host Acanthamoeba castellanii. It has anti-phagocytic function when encountering innate immune cells such as human macrophages and it is involved in the low cytokine responses in mice and in human monocyte derived macrophages, thus dampening the innate immune response. Thus, the here characterized L. longbeachae capsule is a novel virulence factor, unique among the known Legionella species, which may aid L. longbeachae to survive in its specific niches and which partly confers L. longbeachae its unique infection characteristics.
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Affiliation(s)
- Silke Schmidt
- Institut Pasteur, Université Paris Cité, Biologie des Bactéries Intracellulaires, CNRS UMR 6047, Paris, France
- Sorbonne Université, Collège Doctoral, Paris, France
| | - Sonia Mondino
- Institut Pasteur, Université Paris Cité, Biologie des Bactéries Intracellulaires, CNRS UMR 6047, Paris, France
| | - Laura Gomez-Valero
- Institut Pasteur, Université Paris Cité, Biologie des Bactéries Intracellulaires, CNRS UMR 6047, Paris, France
| | - Pedro Escoll
- Institut Pasteur, Université Paris Cité, Biologie des Bactéries Intracellulaires, CNRS UMR 6047, Paris, France
| | | | - Augusto Gonçalves
- Department of Cell Biology, Medical School of Ribeirão Preto, FMRP/USP, Ribeirão Preto, Brazil
| | - Pedro H. M. Camara
- Department of Cell Biology, Medical School of Ribeirão Preto, FMRP/USP, Ribeirão Preto, Brazil
| | | | - Christophe Rusniok
- Institut Pasteur, Université Paris Cité, Biologie des Bactéries Intracellulaires, CNRS UMR 6047, Paris, France
| | - Martin Sachse
- UTechS UBI, Centre de Ressources et Recherches Technologiques, Institut Pasteur, Paris, France
| | - Maryse Moya-Nilges
- UTechS UBI, Centre de Ressources et Recherches Technologiques, Institut Pasteur, Paris, France
| | - Thierry Fontaine
- Biologie et Pathogénicité fongiques, Institut Pasteur, Paris, France
| | - Dario S. Zamboni
- Department of Cell Biology, Medical School of Ribeirão Preto, FMRP/USP, Ribeirão Preto, Brazil
| | - Carmen Buchrieser
- Institut Pasteur, Université Paris Cité, Biologie des Bactéries Intracellulaires, CNRS UMR 6047, Paris, France
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7
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Nakajima T, Kanno T, Ueda Y, Miyako K, Endo T, Yoshida S, Yokoyama S, Asou HK, Yamada K, Ikeda K, Togashi Y, Endo Y. Fatty acid metabolism constrains Th9 cell differentiation and antitumor immunity via the modulation of retinoic acid receptor signaling. Cell Mol Immunol 2024:10.1038/s41423-024-01209-y. [PMID: 39187636 DOI: 10.1038/s41423-024-01209-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 08/05/2024] [Indexed: 08/28/2024] Open
Abstract
T helper 9 (Th9) cells are interleukin 9 (IL-9)-producing cells that have diverse functions ranging from antitumor immune responses to allergic inflammation. Th9 cells differentiate from naïve CD4+ T cells in the presence of IL-4 and transforming growth factor-beta (TGF-β); however, our understanding of the molecular basis of their differentiation remains incomplete. Previously, we reported that the differentiation of another subset of TGF-β-driven T helper cells, Th17 cells, is highly dependent on de novo lipid biosynthesis. On the basis of these findings, we hypothesized that lipid metabolism may also be important for Th9 cell differentiation. We therefore investigated the differentiation and function of mouse and human Th9 cells in vitro under conditions of pharmacologically or genetically induced deficiency of the intracellular fatty acid content and in vivo in mice genetically deficient in acetyl-CoA carboxylase 1 (ACC1), an important enzyme for fatty acid biosynthesis. Both the inhibition of de novo fatty acid biosynthesis and the deprivation of environmental lipids augmented differentiation and IL-9 production in mouse and human Th9 cells. Mechanistic studies revealed that the increase in Th9 cell differentiation was mediated by the retinoic acid receptor and the TGF-β-SMAD signaling pathways. Upon adoptive transfer, ACC1-inhibited Th9 cells suppressed tumor growth in murine models of melanoma and adenocarcinoma. Together, our findings highlight a novel role of fatty acid metabolism in controlling the differentiation and in vivo functions of Th9 cells.
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Affiliation(s)
- Takahiro Nakajima
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Toshio Kanno
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Yuki Ueda
- Department of Tumor Microenvironment, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Keisuke Miyako
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
- Department of Applied Genomics, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Takeru Endo
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Souta Yoshida
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Satoru Yokoyama
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Hikari K Asou
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Kazuko Yamada
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Kazutaka Ikeda
- Department of Applied Genomics, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan
| | - Yosuke Togashi
- Department of Tumor Microenvironment, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
- Division of Cell Therapy, Chiba Cancer Center Research Institute, 666-2 Nitona-cho, Chuo-ku, Chiba, 260-8717, Japan
| | - Yusuke Endo
- Department of Frontier Research and Development, Laboratory of Medical Omics Research, Kazusa DNA Research Institute, 2-6-7 Kazusa Kamatari, Kisarazu, Chiba, 292-0818, Japan.
- Department of Omics Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan.
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8
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Watanabe H, Honda A, Ichinose T, Ishikawa R, Miyasaka N, Nagao M, Wang Z, Owokoniran OH, Qiu B, Higaki Y, Liu W, Okuda T, Matsuda T, Takano H. Ferruginous components of particulate matters in subway environments, α-Fe 2O 3 or Fe 3O 4, exacerbates allergies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 355:124195. [PMID: 38776998 DOI: 10.1016/j.envpol.2024.124195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/11/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
The respiratory effects of particulate matter (PM) in subway station platforms or tunnels have attracted considerable research attention. However, no studies have characterized the effects of subway PM on allergic immune responses. In this study, iron oxide (α-Fe2O3 and Fe3O4) particles-the main components of subway PM-were intratracheally administered to BALB/c mice where ovalbumin (OVA) induced allergic pulmonary inflammation. Iron oxide particles enhanced OVA-induced eosinophil recruitment around the bronchi and mucus production from airway epithelium. The concentrations of type 2 cytokines, namely, interleukin (IL)-5 and IL-13, in bronchial alveolar lavage fluids were increased by iron oxide particles. Iron oxide particles also increased the number of type 2 innate lymphoid cells and CD86+ cells in the lung. Moreover, phagocytosis of particles in lung cells was confirmed by Raman spectroscopy. In a subsequent in vitro study, bone marrow-derived antigen-presenting cells (APCs) isolated from NC/Nga mice were exposed to iron oxide particles and OVA. They were also exposed to outdoor ambient PM: Vehicle Exhaust Particulates (VEP) and Urban Aerosols (UA) as references. Iron oxide particles promoted the release of lactate dehydrogenase, C-X-C motif chemokine ligand 1 and IL-1α from APCs, which tended to be stronger than those of VEP. These results suggest that iron oxide particles enhance antigen presentation in the lungs, promoting allergic immune response in mice; iron oxide particles-induced death and inflammatory response of APCs can contribute to allergy exacerbation. Although iron oxide particles do not contain various compounds like VEP, iron oxide alone may have sufficient influence.
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Affiliation(s)
- Hikari Watanabe
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, 606-8501, Japan
| | - Akiko Honda
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, 606-8501, Japan.
| | - Takamichi Ichinose
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto, 606-8501, Japan
| | - Raga Ishikawa
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto, 606-8501, Japan
| | - Natsuko Miyasaka
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto, 606-8501, Japan
| | - Megumi Nagao
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto, 606-8501, Japan
| | - Zaoshi Wang
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, 606-8501, Japan
| | | | - Binyang Qiu
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, 606-8501, Japan
| | - Yuya Higaki
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, 606-8501, Japan
| | - Wei Liu
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, 606-8501, Japan
| | - Tomoaki Okuda
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Kanagawa, 223-8522, Japan
| | - Tomonari Matsuda
- Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, 606-8501, Japan; Research Center for Environmental Quality Management, Kyoto University, Shiga, 520-0811, Japan
| | - Hirohisa Takano
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto, 606-8501, Japan; Institute for International Academic Research, Kyoto University of Advanced Science, Kyoto, 615-8577, Japan
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Li Y, Ma P, Li J, Wu F, Guo M, Zhou E, Song S, Wang S, Zhang S, Jin Y. Dihydroartemisinin restores the immunogenicity and enhances the anticancer immunosurveillance of cisplatin by activating the PERK/eIF2α pathway. Cell Biosci 2024; 14:100. [PMID: 39090653 PMCID: PMC11295430 DOI: 10.1186/s13578-024-01254-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 05/24/2024] [Indexed: 08/04/2024] Open
Abstract
BACKGROUND Immunosurveillance is pivotal in the effectiveness of anticancer therapies and tumor control. The ineffectiveness of cisplatin in activating the immunosurveillance is attributed to its lack of adjuvanticity resulting from its inability to stimulate endoplasmic reticulum stress. Dihydroartemisinin demonstrates the anti-tumor effects through various mechanisms, including the activation of the endoplasmic reticulum stress. This study aimed to develop a novel strategy to enhance the immunogenicity of dying tumor cells by combining cisplatin with dihydroartemisinin, thereby triggering effective anti-tumor immunosurveillance and improving the efficacy of cisplatin in clinical practice. METHODS Lewis lung carcinoma (LLC) and CT26 colon cancer cell lines and subcutaneous tumor models were used in this study. The importance of immunosurveillance was validated in both immunocompetent and immunodeficient mouse models. The ability of dihydroartemisinin and cisplatin therapy to induce immunogenic cell death and tumor growth control in vivo was validated by prophylactic tumor vaccination and therapeutic tumor models. The underlying mechanism was elucidated through the pharmaceutical or genetic intervention of the PERK/eIF2α pathway in vitro and in vivo. RESULTS Dihydroartemisinin enhanced the generation of reactive oxygen species in cisplatin-treated LLC and CT26 cancer cells. The combination treatment of dihydroartemisinin with cisplatin promoted cell death and ensured an optimal release of damage-associated molecular patterns from dying cancer cells, promoting the phagocytosis of dendritic cells. In the tumor vaccination model, we confirmed that dihydroartemisinin plus cisplatin treatment induced immunogenic cell death. Utilizing immunocompetent and immunodeficient mouse models, we further demonstrated that the combination treatment suppressed the tumor growth of CT26 colon cancer and LLC lung cancer, leading to an improved prognosis through the restoration of cytotoxic T lymphocyte responses and reinstatement of anti-cancer immunosurveillance in vivo. Mechanistically, dihydroartemisinin restored the immunogenicity of cisplatin by activating the adjuvanticity of damage-associated molecular patterns, such as calreticulin exposure, through the PERK/eIF2α pathway. Additionally, the inhibition of eIF2α phosphorylation attenuated the anti-tumor efficiency of C + D in vivo. CONCLUSIONS We highlighted that dihydroartemisinin acts as an immunogenic cell death rescuer for cisplatin, activating anticancer immunosurveillance in a PERK/eIF2α-dependent manner and offering a strategy to enhance the anti-tumor efficacy of cisplatin in clinical practice.
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Affiliation(s)
- Yumei Li
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pei Ma
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jingxia Li
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Wu
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mengfei Guo
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - E Zhou
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Siwei Song
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sufei Wang
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuai Zhang
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China.
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China.
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Yang Jin
- Department of Respiratory and Critical Care Medicine, Hubei Province Clinical Research Center for Major Respiratory Diseases, Key Laboratory of Pulmonary Diseases of National Health Commission, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, Hubei, China.
- The Ministry of Education Key Laboratory of Biological Targeted Therapy, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, China.
- Hubei Province Engineering Research Center for Tumor-Targeted Biochemotherapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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10
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Pandey VK, Premkumar K, Kundu P, Shankar BS. PGE2 induced miR365/IL-6/STAT3 signaling mediates dendritic cell dysfunction in cancer. Life Sci 2024; 350:122751. [PMID: 38797363 DOI: 10.1016/j.lfs.2024.122751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/10/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
AIM To understand the mechanism of prostaglandin E2 (PGE2)-mediated immunosuppression in dendritic cells (DCs). MAIN METHODS In vivo experiments were conducted on 4T1 tumor bearing mice (TBM). In vitro experiments were performed in bone marrow-derived DCs (BMDCs), or spleen cells. Cytokines were monitored by ELISA/ELIspot. Gene expression was monitored by RT-PCR/flow cytometry. KEY FINDINGS In silico, in vitro, and in vivo experiments in 4T1 TBM revealed that PGE2 induced IL-6/pSTAT3 signaling through EP4 receptors in DCs, resulting in their dysfunction. These effects were reversed by EP4 antibody neutralization, EP4 antagonist, and STAT3 inhibitory peptides. PGE2 induced IL-6 was regulated by miR-365, as its mimic inhibited PGE2 induced IL-6 and the inhibitor increased lL-6 levels in DC. Bio-informatic analysis in human mammary cancers also revealed a strong compared co-relation between PGE2 and IL-6 (Correlation AnalyzeR) (R = 0.94). Mice bearing PTGS-2 KD 4T1 tumors had decreased tumor burden, PGE2, EP4, IL-6, and pSTAT3 signaling, along with improved DCs and T cell functions. Treatment of mice with a cyclooxygenase-2 (COX-2) inhibitor or EP4 antagonist decreased tumor burden, and this effect of EP4 antagonist was abrogated upon in vivo depletion of CD11c cells, indicating the crucial role of PGE2 signaling in DCs in tumor progression. SIGNIFICANCE In summary, our data highlights the importance of dendritic cells in mediating PGE2-mediated immunosuppression and the use of EP4 or STAT3 inhibitors or miR365 mimics can restore immunogenicity in cancer.
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Affiliation(s)
- Vipul K Pandey
- Immunology Section, Radiation Biology & Health Sciences Division, Bio-Science Group, Bhabha Atomic Research Centre, Mumbai 400 085, India
| | - Kavitha Premkumar
- Immunology Section, Radiation Biology & Health Sciences Division, Bio-Science Group, Bhabha Atomic Research Centre, Mumbai 400 085, India
| | - Priya Kundu
- Immunology Section, Radiation Biology & Health Sciences Division, Bio-Science Group, Bhabha Atomic Research Centre, Mumbai 400 085, India
| | - Bhavani S Shankar
- Immunology Section, Radiation Biology & Health Sciences Division, Bio-Science Group, Bhabha Atomic Research Centre, Mumbai 400 085, India; Homi Bhabha National Institute, Anushaktinagar, Mumbai 400 094, India.
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11
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Cao S, Budina E, Wang R, Sabados M, Mukherjee A, Solanki A, Nguyen M, Hultgren K, Dhar A, Hubbell JA. Injectable butyrate-prodrug micelles induce long-acting immune modulation and prevent autoimmune arthritis in mice. J Control Release 2024; 372:281-294. [PMID: 38876359 DOI: 10.1016/j.jconrel.2024.06.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 05/31/2024] [Accepted: 06/11/2024] [Indexed: 06/16/2024]
Abstract
Short chain fatty acid (SCFAs), such as butyrate, have shown promising therapeutic potential due to their immunomodulatory effects, particularly in maintaining immune homeostasis. However, the clinical application of SCFAs is limited by the need for frequent and high oral dosages. Rheumatoid arthritis (RA) is characterized by aberrant activation of peripheral T cells and myeloid cells. In this study, we aimed to deliver butyrate directly to the lymphatics using a polymeric micelle-based butyrate prodrug to induce long-lasting immunomodulatory effects. Notably, negatively charged micelles (Neg-ButM) demonstrated superior efficacy in targeting the lymphatics following subcutaneous (s.c.) administration and were retained in the draining lymph nodes, spleen, and liver for over one month. In the collagen antibody-induced arthritis (CAIA) mouse model of RA, only two s.c. injections of Neg-ButM successfully prevented disease onset and promoted tolerogenic phenotypes in T cells and myeloid cells, both locally and systemically. These results underscore the potential of this strategy in managing inflammatory autoimmune diseases by directly modulating immune responses via lymphatic delivery.
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Affiliation(s)
- Shijie Cao
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, United States; Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA 98195, United States.
| | - Erica Budina
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, United States
| | - Ruyi Wang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, United States; Department of Chemistry, University of Chicago, Chicago, IL 60637, United States
| | - Matthew Sabados
- Biological Sciences Division, University of Chicago, Chicago, IL 60637, United States
| | - Anish Mukherjee
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, United States
| | - Ani Solanki
- Animal Resource Center, University of Chicago, Chicago, IL 60637, United States
| | - Mindy Nguyen
- Animal Resource Center, University of Chicago, Chicago, IL 60637, United States
| | - Kevin Hultgren
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, United States
| | - Arjun Dhar
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, United States
| | - Jeffrey A Hubbell
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, United States; Committee on Immunology, University of Chicago, Chicago, IL 60637, United States; Committee on Cancer Biology, University of Chicago, Chicago, IL 60637, United States.
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12
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Qiao Y, Mei Y, Xia M, Luo D, Gao L. The role of m6A modification in the risk prediction and Notch1 pathway of Alzheimer's disease. iScience 2024; 27:110235. [PMID: 39040060 PMCID: PMC11261416 DOI: 10.1016/j.isci.2024.110235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 03/17/2024] [Accepted: 05/19/2024] [Indexed: 07/24/2024] Open
Abstract
N6-methyladenosine (m6A) methylation and abnormal immune responses are implicated in neurodegenerative diseases, yet their relationship in Alzheimer's disease (AD) remains unclear. We obtained AD datasets from GEO databases and used AD mouse and cell models, observing abnormal expression of m6A genes in the AD group, alongside disruptions in the immune microenvironment. Key m6A genes (YTHDF2, LRPPRC, and FTO) selected by machine learning were associated with the Notch pathway, with FTO and Notch1 displaying the strongest correlation. Specifically, FTO expression decreased and m6A methylation of Notch1 increased in AD mouse and cell models. We further silenced FTO expression in HT22 cells, resulting in upregulation of the Notch1 signaling pathway. Additionally, increased Notch1 expression in dendritic cells heightened inflammatory cytokine secretion in vitro. These results suggest that reduced FTO expression may contribute to the pathogenesis of AD by activating the Notch1 pathway to interfere with the immune response.
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Affiliation(s)
- Yingdan Qiao
- Department of Endocrinology & Metabolism, Renmin Hospital of Wuhan University, Wuhan, P.R. China
| | - Yingna Mei
- Department of Endocrinology & Metabolism, Renmin Hospital of Wuhan University, Wuhan, P.R. China
| | - Minqi Xia
- Department of Endocrinology & Metabolism, Renmin Hospital of Wuhan University, Wuhan, P.R. China
| | - Deng Luo
- Department of Endocrinology & Metabolism, Renmin Hospital of Wuhan University, Wuhan, P.R. China
| | - Ling Gao
- Department of Endocrinology & Metabolism, Renmin Hospital of Wuhan University, Wuhan, P.R. China
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13
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Luongo D, De Sena V, Maurano F, Rossi M. Modulation of Mouse Dendritic Cells In Vitro by Lactobacillus gasseri Postbiotic Proteins. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10292-6. [PMID: 38836988 DOI: 10.1007/s12602-024-10292-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/14/2024] [Indexed: 06/06/2024]
Abstract
Different lactobacilli are probiotics for their beneficial effects that confer to the host. Recently, some of these effects were associated with released metabolic products/constituents (postbiotics). In the present study, the potential immunomodulatory capacity of the probiotic Lactobacillus gasseri OLL2809 cell-free supernatant (sup) was investigated in murine bone marrow-derived dendritic cells (DCs). Bacteria induced significantly higher expression of all examined cytokines than those induced by the stimulatory lipopolysaccharide (LPS) itself. On the contrary, sup only induced the anti-inflammatory IL-10 similarly to LPS, whereas IL-12 and IL-6 secretions were stimulated at a lower level. Moreover, sup reduced the surface expression of the analyzed co-stimulatory markers CD40, CD80, and CD86. Treatments of sup with different digestive enzymes indicated the proteinaceous nature of these immunomodulatory metabolites. Western blot and immunoadsorption analyzes revealed cross-reactivity of sup with the surface-layer proteins (SLPs) isolated from OLL2809. Therefore, we directly tested the ability of OLL2809 SLPs to stimulate specifically cytokine expression in iDCs. Interestingly, we found that all tested cytokines were induced by SLPs and in a dose-dependent manner. In conclusion, our results highlighted distinct immune properties between L. gasseri OLL2809 and its metabolites, supporting the concept that bacterial viability is not an essential prerequisite to exert immunomodulatory effects.
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Affiliation(s)
- Diomira Luongo
- Institute of Food Sciences, National Research Council, Avellino, Italy.
| | - Vincenzo De Sena
- Institute of Food Sciences, National Research Council, Avellino, Italy
| | - Francesco Maurano
- Institute of Food Sciences, National Research Council, Avellino, Italy
| | - Mauro Rossi
- Institute of Food Sciences, National Research Council, Avellino, Italy
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14
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Hendrix SV, Mreyoud Y, McNehlan ME, Smirnov A, Chavez SM, Hie B, Chamberland MM, Bradstreet TR, Webber AM, Kreamalmeyer D, Taneja R, Bryson BD, Edelson BT, Stallings CL. BHLHE40 Regulates Myeloid Cell Polarization through IL-10-Dependent and -Independent Mechanisms. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1766-1781. [PMID: 38683120 PMCID: PMC11105981 DOI: 10.4049/jimmunol.2200819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 03/16/2024] [Indexed: 05/01/2024]
Abstract
Better understanding of the host responses to Mycobacterium tuberculosis infections is required to prevent tuberculosis and develop new therapeutic interventions. The host transcription factor BHLHE40 is essential for controlling M. tuberculosis infection, in part by repressing Il10 expression, where excess IL-10 contributes to the early susceptibility of Bhlhe40-/- mice to M. tuberculosis infection. Deletion of Bhlhe40 in lung macrophages and dendritic cells is sufficient to increase the susceptibility of mice to M. tuberculosis infection, but how BHLHE40 impacts macrophage and dendritic cell responses to M. tuberculosis is unknown. In this study, we report that BHLHE40 is required in myeloid cells exposed to GM-CSF, an abundant cytokine in the lung, to promote the expression of genes associated with a proinflammatory state and better control of M. tuberculosis infection. Loss of Bhlhe40 expression in murine bone marrow-derived myeloid cells cultured in the presence of GM-CSF results in lower levels of proinflammatory associated signaling molecules IL-1β, IL-6, IL-12, TNF-α, inducible NO synthase, IL-2, KC, and RANTES, as well as higher levels of the anti-inflammatory-associated molecules MCP-1 and IL-10 following exposure to heat-killed M. tuberculosis. Deletion of Il10 in Bhlhe40-/- myeloid cells restored some, but not all, proinflammatory signals, demonstrating that BHLHE40 promotes proinflammatory responses via both IL-10-dependent and -independent mechanisms. In addition, we show that macrophages and neutrophils within the lungs of M. tuberculosis-infected Bhlhe40-/- mice exhibit defects in inducible NO synthase production compared with infected wild-type mice, supporting that BHLHE40 promotes proinflammatory responses in innate immune cells, which may contribute to the essential role for BHLHE40 during M. tuberculosis infection in vivo.
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Affiliation(s)
- Skyler V. Hendrix
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Yassin Mreyoud
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Michael E. McNehlan
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Asya Smirnov
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Sthefany M. Chavez
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Brian Hie
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Megan M. Chamberland
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Tara R. Bradstreet
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Ashlee M. Webber
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Darren Kreamalmeyer
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Reshma Taneja
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Bryan D. Bryson
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Brian T. Edelson
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Christina L. Stallings
- Department of Molecular Microbiology, Center for Women’s Infectious Disease Research, Washington University School of Medicine, St. Louis, MO 63110, USA
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15
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Alharthi S, Alavi SZ, Nisa MU, Koohi M, Raza A, Ebrahimi Shahmabadi H, Alavi SE. Developing Engineered Nano-Immunopotentiators for the Stimulation of Dendritic Cells and Inhibition and Prevention of Melanoma. Pharm Res 2024; 41:1163-1181. [PMID: 38839718 DOI: 10.1007/s11095-024-03722-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 05/27/2024] [Indexed: 06/07/2024]
Abstract
OBJECTIVE This study aims to utilize PEGylated poly (lactic-co-glycolic acid) (PLGA) nanoparticles as a delivery system for simultaneous administration of the BRAFV600E peptide, a tumor-specific antigen, and imiquimod (IMQ). The objective is to stimulate dendritic cell (DC) maturation, activate macrophages, and facilitate antigen presentation in C57BL6 mice. METHODS PEG-PLGA-IMQ-BRAFV600E nanoparticles were synthesized using a PLGA-PEG-PLGA tri-block copolymer, BRAFV600E, and IMQ. Characterization included size measurement and drug release profiling. Efficacy was assessed in inhibiting BPD6 melanoma cell growth and activating immature bone marrow DCs, T cells, macrophages, and splenocyte cells through MTT and ELISA assays. In vivo, therapeutic and immunogenic effects potential was evaluated, comparing it to IMQ + BRAFV600E and PLGA-IMQ-BRAFV600E nanoparticles in inhibiting subcutaneous BPD6 tumor growth. RESULTS The results highlight the successful synthesis of PEG-PLGA-IMQ-BRAFV600E nanoparticles (203 ± 11.1 nm), releasing 73.4% and 63.2% of IMQ and BARFV600E, respectively, within the initial 48 h. In vitro, these nanoparticles demonstrated a 1.3-fold increase in potency against BPD6 cells, achieving ~ 2.8-fold enhanced cytotoxicity compared to PLGA-IMQ-BRAFV600E. Moreover, PEG-PLGA-IMQ-BRAFV600E exhibited a 1.3-fold increase in potency for enhancing IMQ cytotoxic effects and a 1.1- to ~ 2.4-fold increase in activating DCs, T cells, macrophages, and splenocyte cells compared to IMQ-BRAFV600E and PLGA-IMQ-BRAFV600E. In vivo, PEG-PLGA-IMQ-BRAFV600E displayed a 1.3- to 7.5-fold increase in potency for inhibiting subcutaneous BPD6 tumor growth compared to the other formulations. CONCLUSIONS The findings suggest that PEG-PLGA nanoparticles effectively promote DC maturation, T cell activation, and potentially macrophage activation. The study highlights the promising role of this nanocomposite in vaccine development.
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Affiliation(s)
- Sitah Alharthi
- Department of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, Al-Dawadmi Campus, Al-Dawadmi, 11961, Saudi Arabia
| | - Seyed Zeinab Alavi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, 7718175911, Iran
| | - Mehr Un Nisa
- Nishtar Medical University and Hospital, Multan, 60000, Pakistan
| | - Maedeh Koohi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, 7718175911, Iran
| | - Aun Raza
- School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Hasan Ebrahimi Shahmabadi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, 7718175911, Iran.
| | - Seyed Ebrahim Alavi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, 7718175911, Iran.
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16
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Roque JA, Lukesh NR, Hendy DA, Dixon TA, Islam MJ, Ontiveros-Padilla L, Pena ES, Lifshits LM, Simpson SR, Batty CJ, Bachelder EM, Ainslie KM. Enhancement of subunit vaccine delivery with zinc-carnosine coordination polymer through the addition of mannan. Int J Pharm 2024; 656:124076. [PMID: 38569976 PMCID: PMC11062752 DOI: 10.1016/j.ijpharm.2024.124076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/24/2024] [Accepted: 03/31/2024] [Indexed: 04/05/2024]
Abstract
Vaccines represent a pivotal health advancement for preventing infection. However, because carrier systems with repeated administration can invoke carrier-targeted immune responses that diminish subsequent immune responses (e.g., PEG antibodies), there is a continual need to develop novel vaccine platforms. Zinc carnosine microparticles (ZnCar MPs), which are composed of a one-dimensional coordination polymer formed between carnosine and the metal ion zinc, have exhibited efficacy in inducing an immune response against influenza. However, ZnCar MPs' limited suspendability hinders clinical application. In this study, we address this issue by mixing mannan, a polysaccharide derived from yeast, with ZnCar MPs. We show that the addition of mannan increases the suspendability of this promising vaccine formulation. Additionally, since mannan is an adjuvant, we illustrate that the addition of mannan increases the antibody response and T cell response when mixed with ZnCar MPs. Mice vaccinated with mannan + OVA/ZnCar MPs had elevated serum IgG and IgG1 levels in comparison to vaccination without mannan. Moreover, in the mannan + OVA/ZnCar MPs vaccinated group, mucosal washes demonstrated increased IgG, IgG1, and IgG2c titers, and antigen recall assays showed enhanced IFN-γ production in response to MHC-I and MHC-II immunodominant peptide restimulation, compared to the vaccination without mannan. These findings suggest that the use of mannan mixed with ZnCar MPs holds potential for subunit vaccination and its improved suspendability further promotes clinical translation.
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Affiliation(s)
- John A Roque
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Nicole Rose Lukesh
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Dylan A Hendy
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Timothy A Dixon
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Md Jahirul Islam
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Luis Ontiveros-Padilla
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Erik S Pena
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC 27599, United States
| | - Liubov M Lifshits
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Sean R Simpson
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Cole J Batty
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Eric M Bachelder
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Kristy M Ainslie
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States; Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC 27599, United States; Department of Microbiology and Immunology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States.
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17
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Heavey MK, Hazelton A, Wang Y, Garner M, Anselmo AC, Arthur JC, Nguyen J. Targeted delivery of the probiotic Saccharomyces boulardii to the extracellular matrix enhances gut residence time and recovery in murine colitis. Nat Commun 2024; 15:3784. [PMID: 38710716 PMCID: PMC11074276 DOI: 10.1038/s41467-024-48128-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 04/22/2024] [Indexed: 05/08/2024] Open
Abstract
Probiotic and engineered microbe-based therapeutics are an emerging class of pharmaceutical agents. They represent a promising strategy for treating various chronic and inflammatory conditions by interacting with the host immune system and/or delivering therapeutic molecules. Here, we engineered a targeted probiotic yeast platform wherein Saccharomyces boulardii is designed to bind to abundant extracellular matrix proteins found within inflammatory lesions of the gastrointestinal tract through tunable antibody surface display. This approach enabled an additional 24-48 h of probiotic gut residence time compared to controls and 100-fold increased probiotic concentrations within the colon in preclinical models of ulcerative colitis in female mice. As a result, pharmacodynamic parameters including colon length, colonic cytokine expression profiles, and histological inflammation scores were robustly improved and restored back to healthy levels. Overall, these studies highlight the potential for targeted microbial therapeutics as a potential oral dosage form for the treatment of inflammatory bowel diseases.
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Affiliation(s)
- Mairead K Heavey
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Anthony Hazelton
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Yuyan Wang
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Mitzy Garner
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Aaron C Anselmo
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
- VitaKey Incorporation, Durham, NC, 27701, USA
| | - Janelle C Arthur
- Department of Microbiology and Immunology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
- Center for Gastrointestinal Biology and Disease, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
| | - Juliane Nguyen
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
- Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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18
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Cao S, Budina E, Raczy MM, Solanki A, Nguyen M, Beckman TN, Reda JW, Hultgren K, Ang PS, Slezak AJ, Hesser LA, Alpar AT, Refvik KC, Shores LS, Pillai I, Wallace RP, Dhar A, Watkins EA, Hubbell JA. A serine-conjugated butyrate prodrug with high oral bioavailability suppresses autoimmune arthritis and neuroinflammation in mice. Nat Biomed Eng 2024; 8:611-627. [PMID: 38561491 PMCID: PMC11161413 DOI: 10.1038/s41551-024-01190-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 02/05/2024] [Indexed: 04/04/2024]
Abstract
Butyrate-a metabolite produced by commensal bacteria-has been extensively studied for its immunomodulatory effects on immune cells, including regulatory T cells, macrophages and dendritic cells. However, the development of butyrate as a drug has been hindered by butyrate's poor oral bioavailability, owing to its rapid metabolism in the gut, its low potency (hence, necessitating high dosing), and its foul smell and taste. Here we report that the oral bioavailability of butyrate can be increased by esterifying it to serine, an amino acid transporter that aids the escape of the resulting odourless and tasteless prodrug (O-butyryl-L-serine, which we named SerBut) from the gut, enhancing its systemic uptake. In mice with collagen-antibody-induced arthritis (a model of rheumatoid arthritis) and with experimental autoimmune encephalomyelitis (a model of multiple sclerosis), we show that SerBut substantially ameliorated disease severity, modulated key immune cell populations systemically and in disease-associated tissues, and reduced inflammatory responses without compromising the global immune response to vaccination. SerBut may become a promising therapeutic for autoimmune and inflammatory diseases.
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MESH Headings
- Animals
- Prodrugs/pharmacology
- Prodrugs/therapeutic use
- Prodrugs/pharmacokinetics
- Prodrugs/chemistry
- Mice
- Serine/metabolism
- Butyrates/pharmacology
- Butyrates/therapeutic use
- Butyrates/chemistry
- Butyrates/administration & dosage
- Administration, Oral
- Biological Availability
- Arthritis, Experimental/drug therapy
- Arthritis, Experimental/immunology
- Arthritis, Rheumatoid/drug therapy
- Arthritis, Rheumatoid/immunology
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Mice, Inbred C57BL
- Neuroinflammatory Diseases/drug therapy
- Female
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Affiliation(s)
- Shijie Cao
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA.
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, USA.
| | - Erica Budina
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Michal M Raczy
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Ani Solanki
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
- Animal Resource Center, University of Chicago, Chicago, IL, USA
| | - Mindy Nguyen
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
- Animal Resource Center, University of Chicago, Chicago, IL, USA
| | - Taryn N Beckman
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Joseph W Reda
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Kevin Hultgren
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Phillip S Ang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Anna J Slezak
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Lauren A Hesser
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Aaron T Alpar
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Kirsten C Refvik
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Lucas S Shores
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Ishita Pillai
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Rachel P Wallace
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Arjun Dhar
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Elyse A Watkins
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Jeffrey A Hubbell
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA.
- Committee on Immunology, University of Chicago, Chicago, IL, USA.
- Committee on Cancer Biology, University of Chicago, Chicago, IL, USA.
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19
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Abbasi S, Matsui-Masai M, Yasui F, Hayashi A, Tockary TA, Mochida Y, Akinaga S, Kohara M, Kataoka K, Uchida S. Carrier-free mRNA vaccine induces robust immunity against SARS-CoV-2 in mice and non-human primates without systemic reactogenicity. Mol Ther 2024; 32:1266-1283. [PMID: 38569556 PMCID: PMC11081875 DOI: 10.1016/j.ymthe.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 02/21/2024] [Accepted: 03/11/2024] [Indexed: 04/05/2024] Open
Abstract
Carrier-free naked mRNA vaccines may reduce the reactogenicity associated with delivery carriers; however, their effectiveness against infectious diseases has been suboptimal. To boost efficacy, we targeted the skin layer rich in antigen-presenting cells (APCs) and utilized a jet injector. The jet injection efficiently introduced naked mRNA into skin cells, including APCs in mice. Further analyses indicated that APCs, after taking up antigen mRNA in the skin, migrated to the lymph nodes (LNs) for antigen presentation. Additionally, the jet injection provoked localized lymphocyte infiltration in the skin, serving as a physical adjuvant for vaccination. Without a delivery carrier, our approach confined mRNA distribution to the injection site, preventing systemic mRNA leakage and associated systemic proinflammatory reactions. In mouse vaccination, the naked mRNA jet injection elicited robust antigen-specific antibody production over 6 months, along with germinal center formation in LNs and the induction of both CD4- and CD8-positive T cells. By targeting the SARS-CoV-2 spike protein, this approach provided protection against viral challenge. Furthermore, our approach generated neutralizing antibodies against SARS-CoV-2 in non-human primates at levels comparable to those observed in mice. In conclusion, our approach offers a safe and effective option for mRNA vaccines targeting infectious diseases.
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Affiliation(s)
- Saed Abbasi
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Miki Matsui-Masai
- Department of Research, NANO MRNA Co., Ltd., 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Fumihiko Yasui
- Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, 2-1-6, Kamikitazawa, Setagaya-ku, Tokyo 156-8506, Japan
| | - Akimasa Hayashi
- Department of Pathology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka-shi, Tokyo 181-8611, Japan
| | - Theofilus A Tockary
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Yuki Mochida
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan; Department of Advanced Nanomedical Engineering, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
| | - Shiro Akinaga
- Department of Research, NANO MRNA Co., Ltd., 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, 2-1-6, Kamikitazawa, Setagaya-ku, Tokyo 156-8506, Japan
| | - Kazunori Kataoka
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan.
| | - Satoshi Uchida
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, 3-25-14 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan; Department of Advanced Nanomedical Engineering, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan.
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20
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Dan Y, Ma J, Long Y, Jiang Y, Fang L, Bai J. Melanoma extracellular vesicles inhibit tumor growth and metastasis by stimulating CD8 T cells. Mol Immunol 2024; 169:78-85. [PMID: 38513590 DOI: 10.1016/j.molimm.2024.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 02/20/2024] [Accepted: 03/09/2024] [Indexed: 03/23/2024]
Abstract
Tumor cell-derived extracellular vesicles (EVs) play a crucial role in mediating immune responses by carrying and presenting tumor antigens. Here, we suggested that melanoma EVs triggered cytotoxic CD8 T cell-mediated inhibition of tumor growth and metastasis. Our results indicated that immunization of mice with melanoma EVs inhibited melanoma growth and metastasis while increasing CD8 T cells and serum interferon γ (IFN-γ) in vivo. In vitro experiments showed that melanoma EV stimulates dendritic cells (DCs) maturation, and mature dendritic cells induce T lymphocyte activation. Thus, tumor cell-derived EVs can generate anti-tumor immunity in a prophylactic setting and may be potential candidates for cell-free tumor vaccines.
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Affiliation(s)
- Yuxi Dan
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Jing Ma
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Yuqing Long
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Yao Jiang
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Liaoqiong Fang
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China; National Engineering Research Center of Ultrasound Medicine, Chongqing 401121, China.
| | - Jin Bai
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China.
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21
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Cheng Y, Shen R, Liu F, Li Y, Wang J, Hou Y, Liu Y, Zhou H, Hou F, Wang Y, Li X, Qiao R, Luo S. Humoral and cellular immune responses induced by serogroup W135 meningococcal conjugate and polysaccharide vaccines. Vaccine 2024; 42:2781-2792. [PMID: 38508928 DOI: 10.1016/j.vaccine.2024.03.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/15/2024] [Accepted: 03/15/2024] [Indexed: 03/22/2024]
Abstract
Investigating the mechanisms by which W135 meningococcal conjugate (PSW135-TT) activates adaptive immune responses in mice can provide a comprehensive understanding of the immune mechanisms of bacterial polysaccharide conjugate vaccines. We compared B-cell and T-cell immune responses immunized with W135 meningococcal capsular polysaccharides (PSW135), tetanus toxoid (TT) and PSW135-TT in mice. The results showed that PSW135-TT could induce higher PSW135-specific and TT-specific IgG antibodies with a significant enhancement after two doses. All serum antibodies immunized with PSW135- TT had strong bactericidal activity, whereas none of the serum antibodies immunized with PSW135 had bactericidal activity. Besides, IgM and IgG antibodies immunized with PSW135-TT after two doses were positively correlated with the titer of bactericidal antibodies. We also found Th cells favored Th2 humoral immune responses in PSW135-TT, PSW135, and TT-immunized mice, especially peripheral blood lymphocytes. Furthermore, PSW135-TT and TT could effectively activate bone marrow derived dendritic cells (BMDCs) and promote BMDCs to highly express major histocompatibility complex Ⅱ (MHCⅡ), CD86 and CD40 molecules in mice, whereas PSW135 couldn't. These data verified the typical characteristics of PSW135-TT and TT as T cell dependent antigen (TD-Ag) and PSW135 as T cell independent antigen (TI-Ag), which will be very helpful for further exploration of the immune mechanism of polysaccharide-protein conjugate vaccines and improvement of the quality of bacterial polysaccharide conjugate vaccines in future.
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Affiliation(s)
- Yahui Cheng
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Rong Shen
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Fanglei Liu
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Yanting Li
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Jing Wang
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Yali Hou
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Yueping Liu
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Haifei Zhou
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Fengping Hou
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Yunjin Wang
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Xiongxiong Li
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China
| | - Ruijie Qiao
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China.
| | - Shuquan Luo
- Lanzhou Institute of Biological Products Co., Ltd., Lanzhou 730046, China.
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22
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Sun X, Huang X, Park KS, Zhou X, Kennedy AA, Pretto CD, Wu Q, Wan Z, Xu Y, Gong W, Sexton JZ, Tai AW, Lei YL, Moon JJ. Self-Assembled STING-Activating Coordination Nanoparticles for Cancer Immunotherapy and Vaccine Applications. ACS NANO 2024; 18:10439-10453. [PMID: 38567994 PMCID: PMC11031738 DOI: 10.1021/acsnano.3c11374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
The cGAS-STING pathway plays a crucial role in innate immune activation against cancer and infections, and STING agonists based on cyclic dinucleotides (CDN) have garnered attention for their potential use in cancer immunotherapy and vaccines. However, the limited drug-like properties of CDN necessitate an efficient delivery system to the immune system. To address these challenges, we developed an immunostimulatory delivery system for STING agonists. Here, we have examined aqueous coordination interactions between CDN and metal ions and report that CDN mixed with Zn2+ and Mn2+ formed distinctive crystal structures. Further pharmaceutical engineering led to the development of a functional coordination nanoparticle, termed the Zinc-Mn-CDN Particle (ZMCP), produced by a simple aqueous one-pot synthesis. Local or systemic administration of ZMCP exerted robust antitumor efficacy in mice. Importantly, recombinant protein antigens from SARS-CoV-2 can be simply loaded during the aqueous one-pot synthesis. The resulting ZMCP antigens elicited strong cellular and humoral immune responses that neutralized SARS-CoV-2, highlighting ZMCP as a self-adjuvant vaccine platform against COVID-19 and other infectious pathogens. Overall, this work establishes a paradigm for developing translational coordination nanomedicine based on drug-metal ion coordination and broadens the applicability of coordination medicine for the delivery of proteins and other biologics.
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Affiliation(s)
- Xiaoqi Sun
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Xuehui Huang
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Kyung Soo Park
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Xingwu Zhou
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Andrew A Kennedy
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
| | - Carla D Pretto
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
| | - Qi Wu
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Ziye Wan
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Yao Xu
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Wang Gong
- Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Cancer Biology at the University of Texas M.D. Anderson Cancer Center, Houston, Texas, 77030, United States
| | - Jonathan Z Sexton
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Andrew W Tai
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
| | - Yu Leo Lei
- Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Otolaryngology─Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan 48109, United States
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Head and Neck Surgery, Department of Cancer Biology, Department of Translational Pathology, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030, United States
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
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23
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Jang Y, Cho YS, Kim A, Zhou X, Kim Y, Wan Z, Moon JJ, Park H. CXCR4-Targeted Macrophage-Derived Biomimetic Hybrid Vesicle Nanoplatform for Enhanced Cancer Therapy through Codelivery of Manganese and Doxorubicin. ACS APPLIED MATERIALS & INTERFACES 2024; 16:17129-17144. [PMID: 38533538 PMCID: PMC11057903 DOI: 10.1021/acsami.3c18569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Immune-cell-derived membranes have garnered significant attention as innovative delivery modalities in cancer immunotherapy for their intrinsic immune-modulating functionalities and superior biocompatibilities. Integrating additional parental cell membranes or synthetic lipid vesicles into cellular vesicles can further potentiate their capacities to perform combinatorial pharmacological activities in activating antitumor immunity, thus providing insights into the potential of hybrid cellular vesicles as versatile delivery vehicles for cancer immunotherapy. Here, we have developed a macrophage-membrane-derived hybrid vesicle that has the dual functions of transporting immunotherapeutic drugs and shaping the polarization of tumor-associated macrophages for cancer immunotherapy. The platform combines M1 macrophage-membrane-derived vesicles with CXCR4-binding-peptide-conjugated liposomes loaded with manganese and doxorubicin. The hybrid nanovesicles exhibited remarkable macrophage-targeting capacity through the CXCR4-binding peptide, resulting in enhanced macrophage polarization to the antitumoral M1 phenotype characterized by proinflammatory cytokine release. The manganese/doxorubicin-loaded hybrid vesicles in the CXCR4-expressing tumor cells evoked potent cancer cytotoxicity, immunogenic cell death of tumor cells, and STING activation. Moreover, cotreatment with manganese and doxorubicin promoted dendritic cell maturation, enabling effective tumor growth inhibition. In murine models of CT26 colon carcinoma and 4T1 breast cancer, intravenous administration of the manganese/doxorubicin-loaded hybrid vesicles elicited robust tumor-suppressing activity at a low dosage without adverse systemic effects. Local administration of hybrid nanovesicles also induced an abscessive effect in a bilateral 4T1 tumor model. This study demonstrates a promising biomimetic manganese/doxorubicin-based hybrid nanovesicle platform for effective cancer immunotherapy tailored to the tumor microenvironment, which may offer an innovative approach to combinatorial immunotherapy.
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Affiliation(s)
- Yeonwoo Jang
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Young Seok Cho
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - April Kim
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Xingwu Zhou
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Yujin Kim
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Ziye Wan
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - James J Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Hansoo Park
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
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24
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Wang T, Song D, Li X, Luo Y, Yang D, Liu X, Kong X, Xing Y, Bi S, Zhang Y, Hu T, Zhang Y, Dai S, Shao Z, Chen D, Hou J, Ballestar E, Cai J, Zheng F, Yang JY. MiR-574-5p activates human TLR8 to promote autoimmune signaling and lupus. Cell Commun Signal 2024; 22:220. [PMID: 38589923 PMCID: PMC11000404 DOI: 10.1186/s12964-024-01601-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 03/28/2024] [Indexed: 04/10/2024] Open
Abstract
Endosomal single-stranded RNA-sensing Toll-like receptor-7/8 (TLR7/8) plays a pivotal role in inflammation and immune responses and autoimmune diseases. However, the mechanisms underlying the initiation of the TLR7/8-mediated autoimmune signaling remain to be fully elucidated. Here, we demonstrate that miR-574-5p is aberrantly upregulated in tissues of lupus prone mice and in the plasma of lupus patients, with its expression levels correlating with the disease activity. miR-574-5p binds to and activates human hTLR8 or its murine ortholog mTlr7 to elicit a series of MyD88-dependent immune and inflammatory responses. These responses include the overproduction of cytokines and interferons, the activation of STAT1 signaling and B lymphocytes, and the production of autoantigens. In a transgenic mouse model, the induction of miR-574-5p overexpression is associated with increased secretion of antinuclear and anti-dsDNA antibodies, increased IgG and C3 deposit in the kidney, elevated expression of inflammatory genes in the spleen. In lupus-prone mice, lentivirus-mediated silencing of miR-574-5p significantly ameliorates major symptoms associated with lupus and lupus nephritis. Collectively, these results suggest that the miR-574-5p-hTLR8/mTlr7 signaling is an important axis of immune and inflammatory responses, contributing significantly to the development of lupus and lupus nephritis.
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Affiliation(s)
- Tao Wang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
- The Key Laboratory of Urinary Tract Tumors and Calculi, Department of Urology, School of Medicine, The First Affiliated Hospital of Xiamen University, Xiamen University, Xiamen, 361003, China
| | - Dan Song
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Xuejuan Li
- Wuhu Hospital of East China Normal University, Wuhu, Anhui, 241000, China
- Kidney Health Institute, Health Science Center, East China Normal University, Minhang, Shanghai, 200241, China
- Department of Nephrology, The Second Hospital, Dalian Medical University, Dalian, 116144, China
| | - Yu Luo
- School of Nursing, The Third Military Medical University, Chongqing, 400038, China
| | - Dianqiang Yang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Xiaoyan Liu
- Department of Nephrology, The Second Hospital, Dalian Medical University, Dalian, 116144, China
| | - Xiaodan Kong
- Department of Rheumatology, The Second Affiliated Hospital of Dalian Medical University, Dalian, 116023, China
| | - Yida Xing
- Department of Rheumatology, The Second Affiliated Hospital of Dalian Medical University, Dalian, 116023, China
| | - Shulin Bi
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Yan Zhang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Tao Hu
- College of Medicine, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Yunyun Zhang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Shuang Dai
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Zhiqiang Shao
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Dahan Chen
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Jinpao Hou
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China
| | - Esteban Ballestar
- Wuhu Hospital of East China Normal University, Wuhu, Anhui, 241000, China
- Kidney Health Institute, Health Science Center, East China Normal University, Minhang, Shanghai, 200241, China
- Epigenetics and Immune Disease Group, Josep Carreras Leukaemia Research Institute (IJC), Badalona, Barcelona, 08916, Spain
| | - Jianchun Cai
- Department of Gastrointestinal Surgery, Institute of Gastrointestinal Oncology, Zhongshan Hospital of Xiamen University, Medical College of Xiamen University, Xiamen, Fujian, 361005, China.
| | - Feng Zheng
- Wuhu Hospital of East China Normal University, Wuhu, Anhui, 241000, China.
- Kidney Health Institute, Health Science Center, East China Normal University, Minhang, Shanghai, 200241, China.
- Department of Nephrology, The Second Hospital, Dalian Medical University, Dalian, 116144, China.
- The Advanced Institute for Molecular Medicine, Dalian Medical University, Dalian, 116144, China.
| | - James Y Yang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiang'an, Xiamen, 361102, China.
- Wuhu Hospital of East China Normal University, Wuhu, Anhui, 241000, China.
- Kidney Health Institute, Health Science Center, East China Normal University, Minhang, Shanghai, 200241, China.
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25
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Singhal S, Rao AS, Stadanlick J, Bruns K, Sullivan NT, Bermudez A, Honig-Frand A, Krouse R, Arambepola S, Guo E, Moon EK, Georgiou G, Valerius T, Albelda SM, Eruslanov EB. Human Tumor-Associated Macrophages and Neutrophils Regulate Antitumor Antibody Efficacy through Lethal and Sublethal Trogocytosis. Cancer Res 2024; 84:1029-1047. [PMID: 38270915 PMCID: PMC10982649 DOI: 10.1158/0008-5472.can-23-2135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/29/2023] [Accepted: 01/23/2024] [Indexed: 01/26/2024]
Abstract
The clinical benefits of tumor-targeting antibodies (tAb) are modest in solid human tumors. The efficacy of many tAbs is dependent on Fc receptor (FcR)-expressing leukocytes that bind Fc fragments of tAb. Tumor-associated macrophages (TAM) and neutrophils (TAN) represent the majority of FcR+ effectors in solid tumors. A better understanding of the mechanisms by which TAMs and TANs regulate tAb response could help improve the efficacy of cancer treatments. Here, we found that myeloid effectors interacting with tAb-opsonized lung cancer cells used antibody-dependent trogocytosis (ADT) but not antibody-dependent phagocytosis. During this process, myeloid cells "nibbled off" tumor cell fragments containing tAb/targeted antigen (tAg) complexes. ADT was only tumoricidal when the tumor cells expressed high levels of tAg and the effectors were present at high effector-to-tumor ratios. If either of these conditions were not met, which is typical for solid tumors, ADT was sublethal. Sublethal ADT, mainly mediated by CD32hiCD64hi TAM, led to two outcomes: (i) removal of surface tAg/tAb complexes from the tumor that facilitated tumor cell escape from the tumoricidal effects of tAb; and (ii) acquisition of bystander tAgs by TAM with subsequent cross-presentation and stimulation of tumor-specific T-cell responses. CD89hiCD32loCD64lo peripheral blood neutrophils (PBN) and TAN stimulated tumor cell growth in the presence of the IgG1 anti-EGFR Ab cetuximab; however, IgA anti-EGFR Abs triggered the tumoricidal activity of PBN and negated the stimulatory effect of TAN. Overall, this study provides insights into the mechanisms by which myeloid effectors mediate tumor cell killing or resistance during tAb therapy. SIGNIFICANCE The elucidation of the conditions and mechanisms by which human FcR+ myeloid effectors mediate cancer cell resistance and killing during antibody treatment could help develop improved strategies for treating solid tumors.
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Affiliation(s)
- Sunil Singhal
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Abhishek S. Rao
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jason Stadanlick
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Kyle Bruns
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Neil T. Sullivan
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Andres Bermudez
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Adam Honig-Frand
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ryan Krouse
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Sachinthani Arambepola
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Emily Guo
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Edmund K. Moon
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - George Georgiou
- Department of Chemical Engineering, University of Texas at Austin, Austin, Texas
| | - Thomas Valerius
- Department of Medicine II, Christian Albrechts University and University Hospital Schleswig-Holstein, Kiel, Germany
| | - Steven M. Albelda
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Evgeniy B. Eruslanov
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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26
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Wang P, Li C, Peng T, Ruan L, Wu A, Zhu J, Shi W, Chen M, Zhang T. Tolerogenic CD11c +dendritic cells regulate CD4 +Tregs in replacing delayed ischemic preconditioning to alleviate ischemia-reperfusion acute kidney injury. FASEB J 2024; 38:e23575. [PMID: 38530256 DOI: 10.1096/fj.202302299rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/25/2024] [Accepted: 03/11/2024] [Indexed: 03/27/2024]
Abstract
Ischemia-reperfusion injury (IRI) is one of the primary clinical causes of acute kidney injury (AKI). The key to IRI lies in immune-inflammatory damage, where dendritic cells (DCs) play a central role in eliciting immune responses within the context of inflammation induced by ischemia-reperfusion. Our previous study has confirmed that delayed ischemic preconditioning (DIPC) can reduce the kidney injury by mediating DCs to regulate T-cells. However, the clinical feasibility of DIPC is limited, as pre-clamping of the renal artery is not applicable for the prevention and treatment of ischemia-reperfusion acute kidney injury (I/R-AKI) in clinical patients. Therefore, the infusion of DCs as a substitute for DIPC presents a more viable strategy for preventing renal IRI. In this study, we further evaluated the impact and mechanism of infused tolerogenic CD11c+DCs on the kidneys following IRI by isolating bone marrow-derived dendritic cells and establishing an I/R-AKI model after pre-infusion of DCs. Renal function was significantly improved in the I/R-AKI mouse model after pre-infused with CD11c+DCs. The pro-inflammatory response and oxidative damage were reduced, and the levels of T helper 2 (Th2) cells and related anti-inflammatory cytokines were increased, which was associated with the reduction of autologous DCs maturation mediated by CD11c+DCs and the increase of regulatory T-cells (Tregs). Next, knocking out CD11c+DCs, we found that the reduced immune protection of tolerogenic CD11c+DCs reinfusion was related to the absence of own DCs. Together, pre-infusion of tolerogenic CD11c+DCs can replace the regulatory of DIPC on DCs and T-cells to alleviate I/R-AKI. DC vaccine is expected to be a novel avenue to prevent and treat I/R-AKI.
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Affiliation(s)
- Pingping Wang
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Stem Cell and Regenerative Medicine, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Chunyao Li
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Stem Cell and Regenerative Medicine, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Tao Peng
- Department of Basic Medicine, Ningxia Medical University, Yinchuan, China
| | - Longzhu Ruan
- Department of Basic Medicine, Ningxia Medical University, Yinchuan, China
| | - Aijie Wu
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Jiaojiao Zhu
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Wenlu Shi
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Menghua Chen
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
| | - Ting Zhang
- Department of Nephrology, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Stem Cell and Regenerative Medicine, General Hospital of Ningxia Medical University, Yinchuan, China
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27
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Bülow S, Ederer KU, Holzinger JM, Zeller L, Werner M, Toelge M, Pfab C, Hirsch S, Göpferich F, Hiergeist A, Berberich-Siebelt F, Gessner A. Bactericidal/permeability-increasing protein instructs dendritic cells to elicit Th22 cell response. Cell Rep 2024; 43:113929. [PMID: 38457343 DOI: 10.1016/j.celrep.2024.113929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/01/2024] [Accepted: 02/21/2024] [Indexed: 03/10/2024] Open
Abstract
Neutrophil-derived bactericidal/permeability-increasing protein (BPI) is known for its bactericidal activity against gram-negative bacteria and neutralization of lipopolysaccharide. Here, we define BPI as a potent activator of murine dendritic cells (DCs). As shown in GM-CSF-cultured, bone-marrow-derived cells (BMDCs), BPI induces a distinct stimulation profile including IL-2, IL-6, and tumor necrosis factor expression. Conventional DCs also respond to BPI, while M-CSF-cultivated or peritoneal lavage macrophages do not. Subsequent to BPI stimulation of BMDCs, CD4+ T cells predominantly secrete IL-22 and, when naive, preferentially differentiate into T helper 22 (Th22) cells. Congruent with the tissue-protective properties of IL-22 and along with impaired IL-22 induction, disease severity is significantly increased during dextran sodium sulfate-induced colitis in BPI-deficient mice. Importantly, physiological diversification of intestinal microbiota fosters BPI-dependent IL-22 induction in CD4+ T cells derived from mesenteric lymph nodes. In conclusion, BPI is a potent activator of DCs and consecutive Th22 cell differentiation with substantial relevance in intestinal homeostasis.
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Affiliation(s)
- Sigrid Bülow
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany.
| | - Katharina U Ederer
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Jonas M Holzinger
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Lisa Zeller
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Maren Werner
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Martina Toelge
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Christina Pfab
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Sarah Hirsch
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Franziska Göpferich
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Andreas Hiergeist
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany; Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | | | - André Gessner
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany; Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
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28
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Shvets Y, Khranovska N, Senchylo N, Ostapchenko D, Tymoshenko I, Onysenko S, Kobyliak N, Falalyeyeva T. Microbiota substances modulate dendritic cells activity: A critical view. Heliyon 2024; 10:e27125. [PMID: 38444507 PMCID: PMC10912702 DOI: 10.1016/j.heliyon.2024.e27125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/23/2024] [Accepted: 02/23/2024] [Indexed: 03/07/2024] Open
Abstract
Contemporary research in the field of microbiota shows that commensal bacteria influence physiological activity of different organs and systems of a human organism, such as brain, lungs, immune and metabolic systems. This influence is realized by various processes. One of them is trough modulation of immune mechanisms. Interactions between microbiota and the human immune system are known to be complex and ambiguous. Dendritic cells (DCs) are unique cells, which initiate the development and polarization of adaptive immune response. These cells also interconnect native and specific immune reactivity. A large set of biochemical signals from microbiota in the form of different microbiota associated molecular patterns (MAMPs) and bacterial metabolites that act locally and distantly in the human organism. As a result, commensal bacteria influence the maturity and activity of dendritic cells and affect the overall immune reactivity of the human organism. It then determines the response to pathogenic microorganisms, inflammation, associated with different pathological conditions and even affects the effectiveness of vaccination.
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Affiliation(s)
- Yuliia Shvets
- Taras Shevchenko National University of Kyiv, 64/13 Volodymyrska Str., Kyiv, Ukraine
| | - Natalia Khranovska
- National Cancer Institute of Ukraine, 33/43 Yuliia Zdanovska Str., Kyiv, Ukraine
| | - Natalia Senchylo
- Taras Shevchenko National University of Kyiv, 64/13 Volodymyrska Str., Kyiv, Ukraine
| | - Danylo Ostapchenko
- Taras Shevchenko National University of Kyiv, 64/13 Volodymyrska Str., Kyiv, Ukraine
| | - Iryna Tymoshenko
- Bogomolets National Medical University, 13 Shevchenka Blvd., Kyiv, Ukraine
| | - Svitlana Onysenko
- Taras Shevchenko National University of Kyiv, 64/13 Volodymyrska Str., Kyiv, Ukraine
| | - Nazarii Kobyliak
- Bogomolets National Medical University, 13 Shevchenka Blvd., Kyiv, Ukraine
- Medical Laboratory CSD, 22b Zhmerynska Str., Kyiv, Ukraine
| | - Tetyana Falalyeyeva
- Taras Shevchenko National University of Kyiv, 64/13 Volodymyrska Str., Kyiv, Ukraine
- Medical Laboratory CSD, 22b Zhmerynska Str., Kyiv, Ukraine
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29
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Miao S, Chang Z, Gu B, Jiang J, Pei F, Liu Y, Zhou Y, Liu Z, Si X, Guan X, Wu J. GENERATION OF TOLEROGENIC DENDRITIC CELLS UNDER THE PERSISTENT INFLAMMATION STIMULATION. Shock 2024; 61:454-464. [PMID: 38412105 DOI: 10.1097/shk.0000000000002318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
ABSTRACT Immunosuppression, commonly accompanied by persistent inflammation, is a key feature in the later phase of sepsis. However, the pathophysiological mechanisms underlying this phenomenon remain unclear. Dendritic cells (DCs), specifically tolerogenic DCs (tolDCs), play a crucial role in this process by regulating immune responses through inducing T cell anergy and releasing anti-inflammatory cytokines. Nevertheless, the existing cell models are inadequate for investigating tolDCs during the immunosuppressive phase of sepsis. Therefore, this study aimed to develop a novel in vitro model to generate tolDCs under chronic inflammatory conditions. We have successfully generated tolDCs by exposing them to sublethal lipopolysaccharide (LPS) for 72 h while preserving cell viability. Considering that IL-10-induced tolDCs (IL-10-tolDCs) are well-established models, we compared the immunological tolerance between LPS-tolDCs and IL-10-tolDCs. Our findings indicated that both LPS-tolDCs and IL-10-tolDCs exhibited reduced expression of maturation markers, whereas their levels of inhibitory markers were elevated. Furthermore, the immunoregulatory activities of LPS-tolDCs and IL-10-tolDCs were found to be comparable. These dysfunctions include impaired antigen presenting capacity and suppression of T cell activation, proliferation, and differentiation. Notably, compared with IL-10-tolDCs, LPS-tolDCs showed a reduced response in maturation and cytokine production upon stimulation, indicating their potential as a better model for research. Overall, in comparison with IL-10-tolDCs, our data suggest that the immunological dysfunctions shown in LPS-tolDCs could more effectively elucidate the increased susceptibility to secondary infections during sepsis. Consequently, LPS-tolDCs have emerged as promising therapeutic targets for ameliorating the immunosuppressed state in septic patients.
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30
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Chen S, Ma T, Wang J, Liang S, Liao H, Tan W, Chen M, Zhou X, Xu Y, Wang L, Niu C. Macrophage-derived biomimetic nanoparticles enhanced SDT combined with immunotherapy inhibited tumor growth and metastasis. Biomaterials 2024; 305:122456. [PMID: 38184961 DOI: 10.1016/j.biomaterials.2023.122456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/09/2024]
Abstract
Combination therapy based on sonodynamic therapy (SDT) combined with immune checkpoint blockers anti-PD-L1 provides effective anti-tumor effects. We designed a combination therapy based on M1/PLGA@IR780/CAT NPs of SDT-enhanced immunity combined with immune checkpoint blockers against PD-L1, which was based on M1 macrophage membrane-encapsulated poly (lactic-co-glycolic acid) (PLGA) nanoparticles loaded with the acoustic sensitizer IR780 and catalase (CAT) to successfully realize it. SDT based on M1/PLGA@IR780/CAT NPs could induce tumor cell death by promoting dendritic cell (DC) maturation and modulating the tumor immune microenvironment. In particular, the systemic anti-tumor immune response and potent immune memory induced upon combination with anti-PD-L1 checkpoint blockade not only alleviated the progression of mammary cancer in 4T1 mice and effectively blocked distant metastasis, but also prevented tumor recurrence, providing a promising new therapeutic strategy for clinical tumor therapy.
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Affiliation(s)
- Sijie Chen
- Department of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Center of Ultrasonography, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Clinical Research Center for Ultrasound Diagnosis and Treatment in Hunan Province, China
| | - Tianliang Ma
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
| | - Jiahao Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
| | - Shuailong Liang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
| | - Haiqin Liao
- Department of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Center of Ultrasonography, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Clinical Research Center for Ultrasound Diagnosis and Treatment in Hunan Province, China
| | - Wanlin Tan
- Department of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Center of Ultrasonography, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Clinical Research Center for Ultrasound Diagnosis and Treatment in Hunan Province, China
| | - Mingyu Chen
- Department of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Center of Ultrasonography, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Clinical Research Center for Ultrasound Diagnosis and Treatment in Hunan Province, China
| | - Xiaohui Zhou
- Department of Ultrasound Diagnosis, Changsha Central Hospital, Nanhua University, Changsha, Hunan 410014, China
| | - Yan Xu
- Department of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Center of Ultrasonography, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Clinical Research Center for Ultrasound Diagnosis and Treatment in Hunan Province, China
| | - Long Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
| | - Chengcheng Niu
- Department of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Research Center of Ultrasonography, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China; Clinical Research Center for Ultrasound Diagnosis and Treatment in Hunan Province, China.
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31
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Haghayegh Jahromi N, Gkountidi AO, Collado-Diaz V, Blatter K, Bauer A, Zambounis L, Medina-Sanchez JD, Russo E, Runge P, Restivo G, Gousopoulos E, Lindenblatt N, Levesque MP, Halin C. CD112 Supports Lymphatic Migration of Human Dermal Dendritic Cells. Cells 2024; 13:424. [PMID: 38474388 DOI: 10.3390/cells13050424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/02/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
Dendritic cell (DC) migration from peripheral tissues via afferent lymphatic vessels to draining lymph nodes (dLNs) is important for the organism's immune regulation and immune protection. Several lymphatic endothelial cell (LEC)-expressed adhesion molecules have thus far been found to support transmigration and movement within the lymphatic vasculature. In this study, we investigated the contribution of CD112, an adhesion molecule that we recently found to be highly expressed in murine LECs, to this process. Performing in vitro assays in the murine system, we found that transmigration of bone marrow-derived dendritic cells (BM-DCs) across or adhesion to murine LEC monolayers was reduced when CD112 was absent on LECs, DCs, or both cell types, suggesting the involvement of homophilic CD112-CD112 interactions. While CD112 was highly expressed in murine dermal LECs, CD112 levels were low in endogenous murine dermal DCs and BM-DCs. This might explain why we observed no defect in the in vivo lymphatic migration of adoptively transferred BM-DCs or endogenous DCs from the skin to dLNs. Compared to murine DCs, human monocyte-derived DCs expressed higher CD112 levels, and their migration across human CD112-expressing LECs was significantly reduced upon CD112 blockade. CD112 expression was also readily detected in endogenous human dermal DCs and LECs by flow cytometry and immunofluorescence. Upon incubating human skin punch biopsies in the presence of CD112-blocking antibodies, DC emigration from the tissue into the culture medium was significantly reduced, indicating impaired lymphatic migration. Overall, our data reveal a contribution of CD112 to human DC migration.
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Affiliation(s)
- Neda Haghayegh Jahromi
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Anastasia-Olga Gkountidi
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Victor Collado-Diaz
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Katharina Blatter
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Aline Bauer
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Lito Zambounis
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | | | - Erica Russo
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Peter Runge
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Gaetana Restivo
- Department of Dermatology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
| | - Epameinondas Gousopoulos
- Department of Plastic Surgery and Hand Surgery, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
| | - Nicole Lindenblatt
- Department of Plastic Surgery and Hand Surgery, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
| | - Mitchell P Levesque
- Department of Dermatology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
| | - Cornelia Halin
- Institute of Pharmaceutical Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
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Hurtado-Morillas C, Martínez-Rodrigo A, Orden JA, de Urbina-Fuentes L, Mas A, Domínguez-Bernal G. Enhancing Control of Leishmania infantum Infection: A Multi-Epitope Nanovaccine for Durable T-Cell Immunity. Animals (Basel) 2024; 14:605. [PMID: 38396573 PMCID: PMC10886062 DOI: 10.3390/ani14040605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/02/2024] [Accepted: 02/10/2024] [Indexed: 02/25/2024] Open
Abstract
Canine leishmaniosis (CanL) is a growing health problem for which vaccination is a crucial tool for the control of disease. The successful development of an effective vaccine against this disease relies on eliciting a robust and enduring T-cell immune response involving the activation of CD4+ Th1 and CD8+ T-cells. This study aimed to evaluate the immunogenicity and prophylactic efficacy of a novel nanovaccine comprising a multi-epitope peptide, known as HisDTC, encapsulated in PLGA nanoparticles against Leishmania infantum infection in the murine model. The encapsulation strategy was designed to enhance antigen loading and sustain release, ensuring prolonged exposure to the immune system. Our results showed that mice immunized with PLGA-encapsulated HisDTC exhibited a significant reduction in the parasite load in the liver and spleen over both short and long-term duration. This reduction was associated with a cellular immune profile marked by elevated levels of pro-inflammatory cytokines, such as IFN-γ, and the generation of memory T cells. In conclusion, the current study establishes that PLGA-encapsulated HisDTC can promote effective and long-lasting T-cell responses against L. infantum in the murine model. These findings underscore the potential utility of multi-epitope vaccines, in conjunction with appropriate delivery systems, as an alternative strategy for CanL control.
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Affiliation(s)
- Clara Hurtado-Morillas
- INMIVET, Animal Health Department, School of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (C.H.-M.)
| | - Abel Martínez-Rodrigo
- INMIVET, Animal Science Department, School of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain
- Centro de Investigación en Sanidad Animal, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Consejo Superior de Investigaciones Científicas (CISA-INIA-CSIC), 28130 Madrid, Spain
| | - José A. Orden
- INMIVET, Animal Health Department, School of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (C.H.-M.)
| | - Laura de Urbina-Fuentes
- INMIVET, Animal Health Department, School of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (C.H.-M.)
| | - Alicia Mas
- INMIVET, Animal Health Department, School of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (C.H.-M.)
| | - Gustavo Domínguez-Bernal
- INMIVET, Animal Health Department, School of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain; (C.H.-M.)
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Singto T, Filor V, Vidak J, Klopfleisch R, Bäumer W. Dendritic cells under allergic condition enhance the activation of pruritogen-responsive neurons via inducing itch receptors in a co-culture study. BMC Immunol 2024; 25:17. [PMID: 38347451 PMCID: PMC10863282 DOI: 10.1186/s12865-024-00604-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/30/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Itch sensitization has been reported in patients with chronic allergic skin diseases and observed in a mouse model of allergic contact dermatitis (ACD). There is evidence suggesting that neuroimmune interactions may contribute to itch sensitization, as an increase in dendritic cells (DCs) within ganglia has been observed during allergic conditions. However, how DCs interact with sensory neurons in ganglia during allergic conditions is still not known. This study aims to investigate the role of DCs in dorsal root ganglion (DRG) under ACD conditions, specifically focusing on itch sensitization within the DRG. The tolylene-2,4-diisocyanate (TDI) mouse model for ACD and the co-culture model of DCs and DRG neurons was employed in this study. RESULTS We successfully induced ACD by TDI, as evidenced by the development of edema, elevated total serum IgE levels, and an observed itch reaction in TDI-sensitized mice. Calcium imaging and RT-qPCR analysis revealed that TDI-sensitized mice exhibited signs of peripheral sensitization, including a higher percentage of neurons responding to pruritogens and increased activation and expression of itch receptors in excised DRG of TDI-sensitized mice. Immunofluorescence and flow cytometric analysis displayed an increase of MHCII+ cells, which serves as a marker for DCs, within DRG during ACD. The co-culture study revealed that when DRG neurons were cultured with DCs, there was an increase in the number of neurons responsive to pruritogens and activation of itch receptors such as TRPA1, TRPV1, H1R, and TRPV4. In addition, the immunofluorescence and RT-qPCR study confirmed an upregulation of TRPV4. CONCLUSIONS Our findings indicate that there is an increase of MHCII+ cells and itch peripheral sensitization in DRG under TDI-induced ACD condition. It has been found that MHCII+ cells in DRG might contribute to the itch peripheral sensitization by activating itch receptors, as shown through co-culture studies between DRG neurons and DCs. Further studies are required to identify the specific mediator(s) responsible for peripheral sensitization induced by activated DCs.
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Affiliation(s)
- Tichakorn Singto
- Institute of Pharmacology and Toxicology, Department of Veterinary Medicine, Freie Universität Berlin, Koserstraße. 20, Berlin, 14195, Germany
| | - Viviane Filor
- Institute of Pharmacology and Toxicology, Department of Veterinary Medicine, Freie Universität Berlin, Koserstraße. 20, Berlin, 14195, Germany
| | - Jonathan Vidak
- Institute of Pharmacology and Toxicology, Department of Veterinary Medicine, Freie Universität Berlin, Koserstraße. 20, Berlin, 14195, Germany
| | - Robert Klopfleisch
- Institute of Animal Pathology, Department of Veterinary Medicine, Freie Universität Berlin, Robert-von- Ostertag-Straße 15, Berlin, 14163, Germany
| | - Wolfgang Bäumer
- Institute of Pharmacology and Toxicology, Department of Veterinary Medicine, Freie Universität Berlin, Koserstraße. 20, Berlin, 14195, Germany.
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Sassi M, Curran SJ, Bishop LR, Liu Y, Kovacs JA. CD40 Expression by B cells is Required for Optimal Immunity to Murine Pneumocystis Infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.05.578900. [PMID: 38410485 PMCID: PMC10896351 DOI: 10.1101/2024.02.05.578900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
CD40-CD40L interactions are critical for controlling Pneumocystis infection. However, which CD40-expressing cell populations are important for this interaction have not been well-defined. We used a cohousing mouse model of Pneumocystis infection, combined with flow cytometry and qPCR, to examine the ability of different populations of cells from C57BL/6 mice to reconstitute immunity in CD40 knockout (KO) mice. Unfractionated splenocytes, as well as purified B cells, were able to control Pneumocystis infection, while B cell depleted splenocytes and unstimulated bone-marrow derived dendritic cells (BMDCs) were unable to control infection in CD40 KO mice. Pneumocystis antigen-pulsed BMDCs showed early, but limited, control of infection. Consistent with recent studies that have suggested a role for antigen presentation by B cells, using cells from immunized animals, B cells were able to present Pneumocystis antigens to induce proliferation of T cells. Thus, CD40 expression by B cells appears necessary for robust immunity to Pneumocystis.
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Affiliation(s)
- Monica Sassi
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland 20892 USA
| | - Shelly J Curran
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland 20892 USA
| | - Lisa R Bishop
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland 20892 USA
| | - Yueqin Liu
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland 20892 USA
| | - Joseph A Kovacs
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland 20892 USA
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Bao P, Gu H, Ye J, He J, Zhong Z, Yu A, Zhang X. Chimeric Exosomes Functionalized with STING Activation for Personalized Glioblastoma Immunotherapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306336. [PMID: 38072677 PMCID: PMC10853748 DOI: 10.1002/advs.202306336] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/13/2023] [Indexed: 02/10/2024]
Abstract
A critical challenge of existing cancer vaccines is to orchestrate the demands of antigen-enriched furnishment and optimal antigen-presentation functionality within antigen-presenting cells (APCs). Here, a complementary immunotherapeutic strategy is developed using dendritic cell (DC)-tumor hybrid cell-derived chimeric exosomes loaded with stimulator of interferon genes (STING) agonists (DT-Exo-STING) for maximized tumor-specific T-cell immunity. These chimeric carriers are furnished with broad-spectrum antigen complexes to elicit a robust T-cell-mediated inflammatory program through direct self-presentation and indirect DC-to-T immunostimulatory pathway. This chimeric exosome-assisted delivery strategy possesses the merits versus off-the-shelf cyclic dinucleotide (CDN) delivery techniques in both the brilliant tissue-homing capacity, even across the intractable blood-brain barrier (BBB), and the desired cytosolic entry for enhanced STING-activating signaling. The improved antigen-presentation performance with this nanovaccine-driven STING activation further enhances tumor-specific T-cell immunoresponse. Thus, DT-Exo-STING reverses immunosuppressive glioblastoma microenvironments to pro-inflammatory, tumoricidal states, leading to an almost obliteration of intracranial primary lesions. Significantly, an upscaling option that harnesses autologous tumor tissues for personalized DT-Exo-STING vaccines increases sensitivity to immune checkpoint blockade (ICB) therapy and exerts systemic immune memory against post-operative glioma recrudesce. These findings represent an emerging method for glioblastoma immunotherapy, warranting further exploratory development in the clinical realm.
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Affiliation(s)
- Peng Bao
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of ChemistryWuhan UniversityWuhan430072P. R. China
| | - Hui‐Yun Gu
- Department of Orthopedic Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhan430071P. R. China
| | - Jing‐Jie Ye
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of ChemistryWuhan UniversityWuhan430072P. R. China
| | - Jin‐Lian He
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of ChemistryWuhan UniversityWuhan430072P. R. China
| | - Zhenlin Zhong
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of ChemistryWuhan UniversityWuhan430072P. R. China
| | - Ai‐Xi Yu
- Department of Orthopedic Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhan430071P. R. China
| | - Xian‐Zheng Zhang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of ChemistryWuhan UniversityWuhan430072P. R. China
- Department of Orthopedic Trauma and MicrosurgeryZhongnan Hospital of Wuhan UniversityWuhan430071P. R. China
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Wu W, Liu R, Guo J, Hu Z, An C, Zhang Y, Liu T, Cen L, Pan Y. Modulation of immunosuppressive effect of rapamycin via microfluidic encapsulation within PEG-PLGA nanoparticles. J Biomater Appl 2024; 38:821-833. [PMID: 38145897 DOI: 10.1177/08853282231223808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
The high hydrophobicity and low oral availability of immunosuppressive drug, rapamycin, seriously limit its application. It was thus aimed to develop a PEG-PLGA based nano-loading system for rapamycin delivery to achieve improved bioavailability with sustained effects via a novel microfluidic chip and manipulation of the hydrophobic PLGA chain length. PDMS based microfluidic chip with Y shape was designed and PEG-PLGA polymers with different PLGA chain length were used to prepare rapamycin nano-delivery systems. Dendritic cells were selected to evaluate the immunosuppressive effect of the nanoparticles including cytotoxicity assay, dendritic cell activation, and cytokine levels. The effects of different PEG-PLGA nanoparticles on the immunomodulatory properties were finally compared. It was shown that PEG-PLGA could be successfully used for rapamycin encapsulation via microfluidics to obtain nano-delivery systems (Rapa&P-20 k, Rapa&P-50 k and Rapa&P-95 k) ranging from 100 nm to 116 nm. The encapsulation efficiency was ranged from 69.70% to 84.55% and drug loading from 10.45% to 12.68%. The Rapa&P-50 k (PLGA chain length: 50 k) could achieve the highest drug loading (DL) and encapsulation efficiency (EE) as 12.68% and 84.55%. The encapsulated rapamycin could be gradually released from three nanoparticles for more than 1 month without any noticeable burst release. The Rapa & P nanoparticles exhibited enhanced immunosuppressive effects over those of free rapamycin as shown by the expression of CD40 and CD80, and the secretion of IL-1β, IL-12 and TGF-β1. Rapa&P-50 k nanoparticles could be the optimal choice for rapamycin delivery as it also achieved the most effective immunosuppressive property. Hence, this study could provide an efficient technology with superior manipulation to offer a solution for rapamycin delivery and clinical application.
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Affiliation(s)
- Weiqian Wu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Ruilai Liu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Jiahao Guo
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Zhihuan Hu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Chenjing An
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Yan Zhang
- Barbell Therapeutics Co. Ltd, Shanghai, China
| | | | - Lian Cen
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Department of Product Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai, China
| | - Yukun Pan
- Barbell Therapeutics Co. Ltd, Shanghai, China
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Zhao J, He P, Jiang M, He C, Zhao Y, Zhang Z, Zhang Z, Du G, Sun X. Transdermally delivered tolerogenic nanoparticles induced effective immune tolerance for asthma treatment. J Control Release 2024; 366:637-649. [PMID: 38215983 DOI: 10.1016/j.jconrel.2024.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 12/19/2023] [Accepted: 01/09/2024] [Indexed: 01/14/2024]
Abstract
Induction of antigen-specific immune tolerance for the treatment of allergic or autoimmune diseases is an attractive strategy. Herein, we investigated the protective effect of a transdermal microneedle patch against allergic asthma by stimulating allergen-specific immune tolerance. We fabricated biodegradable tolerogenic nanoparticles (tNPs) that are loaded with a model allergen ovalbumin (OVA) and an immunomodulator rapamycin, and filled the tNPs into microneedle tips by centrifugation to form sustained-release microneedles. After intradermal immunization, the microneedles successfully delivered the cargos into the skin and sustainedly released them for over 96 h. Importantly, the microneedles induced allergen-specific regulatory T cells (Treg), decreased the levels of pro-inflammatory cytokines and antibodies while increased anti-inflammation cytokines, finally leading to restored immune homeostasis. The lung tissue analysis illustrated that the sustained-release microneedles significantly reduced the infiltration of eosinophils, decreased the accumulation of mucus and collagen, and significantly relived asthma symptoms. Our results suggested that the sustained-release microneedle-based transdermal delivery system can induce antigen-specific immune tolerance with improved compliance and efficacy, providing a new therapeutic strategy for the treatment of allergic and autoimmune diseases.
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Affiliation(s)
- Jiaxuan Zhao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Penghui He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Min Jiang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Chunting He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Yuanhao Zhao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Zhihua Zhang
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; Changzhou Institute of Advanced Manufacturing Technology, Changzhou 213164, China
| | - Zhibing Zhang
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Guangsheng Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China.
| | - Xun Sun
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China.
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Ti C, Chen H, Zhou W, Bian A, Hu P, Miao Y, Shao T, Liu M, Chen Y, Yi Z. WB518, a novel STAT3 inhibitor, effectively alleviates IMQ and TPA-induced animal psoriasis by inhibiting STAT3 phosphorylation and Keratin 17. Int Immunopharmacol 2024; 127:111344. [PMID: 38086269 DOI: 10.1016/j.intimp.2023.111344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/28/2023] [Accepted: 12/04/2023] [Indexed: 01/18/2024]
Abstract
OBJECTIVES Psoriasis is a prevalent chronic inflammatory skin disease in humans that is characterized by frequent relapses and challenging to cure. WB518 is a novel small molecule compound with an undisclosed structure. Therefore, our study aimed to investigate the therapeutic potential of WB518 in vitro and in vivo for the treatment of psoriasis, specifically targeting the abnormal proliferation, aberrant differentiation of epidermal keratinocytes, and pathogenic inflammatory response. MATERIALS AND METHODS We employed dual luciferase reporter assay to screen compounds capable of inhibiting STAT3 gene transcription. Flow cytometry was utilized to analyze CD3-positive cells. Protein and mRNA levels were assessed through Western blotting, immunofluorescence, immunohistochemistry, and real-time PCR. Cell viability was measured using the MTS assay, while in vivo models of psoriasis induced by IMQ and TPA were employed to study the anti-psoriasis effect of WB518. RESULTS WB518 was found to significantly reduce the mRNA and protein levels of Keratin 17 (K17) in HaCaT cells by inhibiting the phosphorylation of STAT3 Tyr705 (Y705). In the IMQ and TPA-induced psoriasis mouse model, WB518 effectively improved scaling, epidermal hyperplasia, and inflammation. WB518 also suppressed the expression of inflammatory cytokines, such as interleukin (IL)-1β, IL-6, IL-17, and IL-23. Furthermore, WB518 decreased the proportion of CD3-positive cells in the psoriatic skin of mice. CONCLUSIONS WB518 exhibits promising potential as a treatment candidate for psoriasis.
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Affiliation(s)
- Chaowen Ti
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Huang Chen
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Wenbo Zhou
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Aiwu Bian
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Pan Hu
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Ying Miao
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Ting Shao
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Mingyao Liu
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China
| | - Yihua Chen
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China.
| | - Zhengfang Yi
- Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Rd, Shanghai 200241, China.
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Huang Y, Huang X, Wei Z, Dong J, Lu J, Tang Q, Lu F, Cen Z, Wu W. CD4 +T EM cells drive the progression from acute myocarditis to dilated cardiomyopathy in CVB3-induced BALB/c mice. Int Immunopharmacol 2024; 127:111304. [PMID: 38091826 DOI: 10.1016/j.intimp.2023.111304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/24/2023] [Accepted: 11/25/2023] [Indexed: 01/18/2024]
Abstract
Acute viral myocarditis can progress to chronic myocarditis leading to dilated cardiomyopathy (DCM). Persistent CD4+ T-cell-mediated autoimmunity triggered by infection plays a critical role in this progression. Increasing evidence demonstrates that effector memory CD4+T (CD4+TEM) cells, a subset of memory CD4+ T cells, are crucial pathogenic mediators of many autoimmune diseases. However, the role of CD4+TEM cells during the progression from acute viral myocarditis to DCM remains unknown. In this study, we observed an increase in CD4+TEM cells both in the periphery and the heart, and memory CD4+ T cells were the predominant sources of IL-17A and IFN-γ among inflamed heart-infiltrating CD4+ T cells during the progression from acute myocarditis to chronic myocarditis and DCM in CVB3-induced BALB/c mice. Moreover, splenic CD4+TEM cells sorted from DCM mice induced by CVB3 were found to respond to cardiac self-antigens ex vivo. Additionally, adoptive transfer experiments substantiated their pathogenic impact, inducing sustained myocardial inflammation, tissue fibrosis, cardiac injury, and impairment of cardiac systolic function in vivo. Our findings illustrate that long-lived CD4+TEM cells are important contributors to the progression from acute viral myocarditis into DCM.
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Affiliation(s)
- Yanlan Huang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Xiaojing Huang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Zhe Wei
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Jingwei Dong
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Jing Lu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Quan Tang
- Cardiac Care Unit, The First People's Hospital of Nanning. Qixing Road 89, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Feiyu Lu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China
| | - Zhihong Cen
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China.
| | - Weifeng Wu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China; Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Medical University, Shuangyong Road 22, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China.
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Muraosa Y, Hino Y, Takatsuka S, Watanabe A, Sakaida E, Saijo S, Miyazaki Y, Yamasaki S, Kamei K. Fungal chitin-binding glycoprotein induces Dectin-2-mediated allergic airway inflammation synergistically with chitin. PLoS Pathog 2024; 20:e1011878. [PMID: 38170734 PMCID: PMC10763971 DOI: 10.1371/journal.ppat.1011878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024] Open
Abstract
Although chitin in fungal cell walls is associated with allergic airway inflammation, the precise mechanism underlying this association has yet to be elucidated. Here, we investigated the involvement of fungal chitin-binding protein and chitin in allergic airway inflammation. Recombinant Aspergillus fumigatus LdpA (rLdpA) expressed in Pichia pastoris was shown to be an O-linked glycoprotein containing terminal α-mannose residues recognized by the host C-type lectin receptor, Dectin-2. Chitin particles were shown to induce acute neutrophilic airway inflammation mediated release of interleukin-1α (IL-1α) associated with cell death. Furthermore, rLdpA-Dectin-2 interaction was shown to promote phagocytosis of rLdpA-chitin complex and activation of mouse bone marrow-derived dendritic cells (BMDCs). Moreover, we showed that rLdpA potently induced T helper 2 (Th2)-driven allergic airway inflammation synergistically with chitin, and Dectin-2 deficiency attenuated the rLdpA-chitin complex-induced immune response in vivo. In addition, we showed that serum LdpA-specific immunoglobulin levels were elevated in patients with pulmonary aspergillosis.
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Affiliation(s)
- Yasunori Muraosa
- Division of Clinical Research, Medical Mycology Research Center, Chiba University, Chiba, Japan
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yutaro Hino
- Department of Hematology, Chiba University Hospital, Chiba, Japan
| | - Shogo Takatsuka
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Akira Watanabe
- Division of Clinical Research, Medical Mycology Research Center, Chiba University, Chiba, Japan
| | - Emiko Sakaida
- Department of Hematology, Chiba University Hospital, Chiba, Japan
| | - Shinobu Saijo
- Division of Molecular Immunology, Medical Mycology Research Center, Chiba University, Chiba, Japan
| | - Yoshitsugu Miyazaki
- Department of Fungal Infection, National Institute of Infectious Diseases, Tokyo, Japan
| | - Sho Yamasaki
- Division of Molecular Immunology, Medical Mycology Research Center, Chiba University, Chiba, Japan
- Division of Molecular Design, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Department of Molecular Immunology, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
- Laboratory of Molecular Immunology, Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Katsuhiko Kamei
- Division of Clinical Research, Medical Mycology Research Center, Chiba University, Chiba, Japan
- Division of Infection Control and Prevention, Medical Mycology Research Center, Chiba University, Chiba, Japan
- Department of Infectious Diseases, Japanese Red Cross Ishinomaki Hospital, Miyagi, Japan
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41
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Peng L, Yu F, Shen R, Zhou W, Wang D, Jiang Q, Meng T, Wang J, Hu F, Yuan H. Glutathione Consumptive Dual-Sensitive Lipid-Composite Nanoparticles Induce Immunogenic Cell Death for Enhanced Breast Tumor Therapy. Mol Pharm 2024; 21:113-125. [PMID: 38081040 DOI: 10.1021/acs.molpharmaceut.3c00518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2024]
Abstract
Although chemotherapy remains the standard therapy for tumor treatment, serious side effects can occur because of nontargeted distribution and damage to healthy tissues. Hollow mesoporous silica nanoparticles (HMSNs) modified with lipids offer potential as delivery systems to improve therapeutic outcomes and reduce adverse effects. Herein, we synthesized HMSNs with integrated disulfide bonds (HMSN) for loading with the chemotherapeutic agent oxaliplatin (OXP) which were then covered with the synthesized hypoxia-sensitive lipid (Lip) on the surface to prepare the dual-sensitive lipid-composite nanoparticles (HMSN-OXP-Lip). The empty lipid-composite nanoparticles (HMSN-Lip) would consume glutathione (GSH) in cells because of the reduction of disulfide bonds in HMSN and would also inhibit GSH production because of NADPH depletion driven by Lip cleavage. These actions contribute to increased levels of ROS that induce the immunogenic cell death (ICD) effect. Simultaneously, HMSN-Lip would disintegrate in the presence of high concentrations of GSH. The lipid in HMSN-OXP-Lip could evade payload leakage during blood circulation and accelerate the release of the OXP in the tumor region in the hypoxic microenvironment, which could significantly induce the ICD effect to activate an immune response for an enhanced therapeutic effect. The tumor inhibitory rate of HMSN-OXP-Lip was almost twice that of free OXP, and no apparent side effects were observed. This design provides a dual-sensitive and efficient strategy for tumor therapy by using lipid-composite nanoparticles that can undergo sensitive drug release and biodegradation.
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Affiliation(s)
- Lijun Peng
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang 550025, China
| | - Fangying Yu
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Ruoyu Shen
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Wentao Zhou
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Ding Wang
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Qi Jiang
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Tingting Meng
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
- Jinhua Institute of Zhejiang University, Jinhua 321299, China
| | - Jianwei Wang
- The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou 310009, China
| | - Fuqiang Hu
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
- Jinhua Institute of Zhejiang University, Jinhua 321299, China
| | - Hong Yuan
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
- Jinhua Institute of Zhejiang University, Jinhua 321299, China
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Biernacka Z, Gregorczyk-Zboroch K, Lasocka I, Ostrowska A, Struzik J, Gieryńska M, Toka FN, Szulc-Dąbrowska L. Ectromelia Virus Affects the Formation and Spatial Organization of Adhesive Structures in Murine Dendritic Cells In Vitro. Int J Mol Sci 2023; 25:558. [PMID: 38203729 PMCID: PMC10779027 DOI: 10.3390/ijms25010558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
Ectromelia virus (ECTV) is a causative agent of mousepox. It provides a suitable model for studying the immunobiology of orthopoxviruses, including their interaction with the host cell cytoskeleton. As professional antigen-presenting cells, dendritic cells (DCs) control the pericellular environment, capture antigens, and present them to T lymphocytes after migration to secondary lymphoid organs. Migration of immature DCs is possible due to the presence of specialized adhesion structures, such as podosomes or focal adhesions (FAs). Since assembly and disassembly of adhesive structures are highly associated with DCs' immunoregulatory and migratory functions, we evaluated how ECTV infection targets podosomes and FAs' organization and formation in natural-host bone marrow-derived DCs (BMDC). We found that ECTV induces a rapid dissolution of podosomes at the early stages of infection, accompanied by the development of larger and wider FAs than in uninfected control cells. At later stages of infection, FAs were predominantly observed in long cellular extensions, formed extensively by infected cells. Dissolution of podosomes in ECTV-infected BMDCs was not associated with maturation and increased 2D cell migration in a wound healing assay; however, accelerated transwell migration of ECTV-infected cells towards supernatants derived from LPS-conditioned BMDCs was observed. We suggest that ECTV-induced changes in the spatial organization of adhesive structures in DCs may alter the adhesiveness/migration of DCs during some conditions, e.g., inflammation.
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Affiliation(s)
- Zuzanna Biernacka
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (Z.B.); (K.G.-Z.); (J.S.); (M.G.); (F.N.T.)
| | - Karolina Gregorczyk-Zboroch
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (Z.B.); (K.G.-Z.); (J.S.); (M.G.); (F.N.T.)
| | - Iwona Lasocka
- Department of Biology of Animal Environment, Institute of Animal Science, Warsaw University of Life Sciences, 02-786 Warsaw, Poland;
| | - Agnieszka Ostrowska
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland;
| | - Justyna Struzik
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (Z.B.); (K.G.-Z.); (J.S.); (M.G.); (F.N.T.)
| | - Małgorzata Gieryńska
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (Z.B.); (K.G.-Z.); (J.S.); (M.G.); (F.N.T.)
| | - Felix N. Toka
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (Z.B.); (K.G.-Z.); (J.S.); (M.G.); (F.N.T.)
- Department of Biomedical Sciences, Ross University School of Veterinary Medicine, Basseterre P.O. Box 334, Saint Kitts and Nevis
| | - Lidia Szulc-Dąbrowska
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-786 Warsaw, Poland; (Z.B.); (K.G.-Z.); (J.S.); (M.G.); (F.N.T.)
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Hellfritzsch M, Christensen D, Foged C, Scherließ R, Thakur A. Reconstituted dry powder formulations of ZnO-adjuvanted ovalbumin induce equivalent antigen specific antibodies but lower T cell responses than ovalbumin adjuvanted with Alhydrogel® or cationic adjuvant formulation 01 (CAF®01). Int J Pharm 2023; 648:123581. [PMID: 37931728 DOI: 10.1016/j.ijpharm.2023.123581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/28/2023] [Accepted: 11/03/2023] [Indexed: 11/08/2023]
Abstract
Most licensed human vaccines are based on liquid dosage forms but have poor storage stability and require continuous and expensive cold-chain storage. In contrast, the use of solid vaccine dosage forms produced by for example spray drying, extends shelf life and eliminates the need for a cold chain. Zinc oxide (ZnO)-based nanoparticles display immunomodulatory properties, but their adjuvant effect as a dry powder formulation is unknown. Here, we show that reconstituted dry powder formulations of ZnO particles containing the model antigen ovalbumin (OVA) induce antigen-specific CD8+ T-cell and humoral responses. By systematically varying the ratio between ZnO and mannitol during spray drying, we manufactured dry powder formulations of OVA-containing ZnO particles that displayed: (i) a spherical or wrinkled surface morphology, (ii) an aerodynamic diameter and particle size distribution optimal for deep lung deposition, and (iii) aerosolization properties suitable for lung delivery. Reconstituted dry powder formulations of ZnO particles were well-tolerated by Calu-3 lung epithelial cells. Furthermore, almost equivalent OVA-specific serum antibody responses were stimulated by reconstituted ZnO particles, OVA adjuvanted with Alhydrogel®, and OVA adjuvanted with the cationic adjuvant formulation 01 (CAF®01). However, reconstituted dry powder ZnO particles and OVA adjuvanted with Alhydrogel® induced significantly lower OVA-specific CD8+CD44+ T-cell responses in the spleen than OVA adjuvanted with CAF®01. Similarly, reconstituted dry powder ZnO particles activated significantly lower percentages of follicular helper T cells and germinal center B cells in the draining lymph nodes than OVA adjuvanted with CAF®01. Overall, our results show that reconstituted dry powder formulations of ZnO nanoparticles can induce antigen-specific antibodies and can be used in vaccines to enhance antigen-specific humoral immune responses against subunit protein antigens.
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Affiliation(s)
- Marie Hellfritzsch
- Department of Pharmaceutics and Biopharmaceutics, Kiel University, Grasweg 9a, 24118 Kiel, Germany
| | - Dennis Christensen
- Department of Infectious Disease Immunology, Statens Serum Institut, Artillerivej 5, 2300 Copenhagen S, Denmark
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Denmark
| | - Regina Scherließ
- Department of Pharmaceutics and Biopharmaceutics, Kiel University, Grasweg 9a, 24118 Kiel, Germany.
| | - Aneesh Thakur
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Denmark.
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Yang X, Ma Z, Tan X, Shi Y, Yuan M, Chen G, Luo X, Hou L. Adoptive transfer of immature dendritic cells with high HO-1 expression delays the onset of T1DM in NOD mice. Life Sci 2023; 335:122273. [PMID: 37972884 DOI: 10.1016/j.lfs.2023.122273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/11/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
AIMS To investigate the potential of imDCs with high expression of HO-1 in preventing or delaying the onset of Type 1 diabetes mellitus (T1DM) in non-obese diabetic (NOD) mice. MATERIALS AND METHODS The phenotypic features of DCs in each group were assessed using flow cytometry. Western blot analysis was used to confirm the high expression of HO-1 in imDCs induced with CoPP. Additionally, flow cytometry was used to evaluate the suppressive capacity of CoPP-induced imDCs on splenic lymphocyte proliferation. Finally, the preventive effect of CoPP-induced imDCs was tested in NOD mice. KEY FINDINGS Compared to imDCs, CoPP-induced imDCs exhibited a reduced mean fluorescence intensity (MFI) of the co-stimulatory molecule CD80 on their surface (P < 0.05) and significantly increased HO-1 protein expression (P < 0.05). Following LPS stimulation, the MFI of co-stimulatory molecules CD80 and CD86 on the surface of CoPP-induced imDCs remained at a lower level (P < 0.05). Furthermore, there was a reduced proliferation rate of lymphocytes stimulated with anti-CD3/28 antibodies. The adoptive transfer of CoPP-imDCs significantly reduced the incidence of T1DM (16.66 % vs. control group: 66.67 %, P = 0.004). Furthermore, at 15 weeks of age, the insulitis score was also decreased in the CoPP-induced imDC treatment group (P < 0.05). There were no significant differences in serum insulin levels among all groups. SIGNIFICANCE ImDCs induced with CoPP and exhibiting high expression of HO-1 demonstrate a robust ability to inhibit immune responses and effectively reduce the onset of diabetes in NOD mice. This finding suggests that CoPP-induced imDCs could potentially serve as a promising treatment strategy for T1DM.
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Affiliation(s)
- Xi Yang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Ziyi Ma
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Xiaosheng Tan
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, People's Republic of China
| | - Yuzhen Shi
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Mingming Yuan
- Department of Nail and Breast Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China
| | - Gang Chen
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, People's Republic of China
| | - Xiaoping Luo
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China.
| | - Ling Hou
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, People's Republic of China.
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Yang C, Li Y, Yang Y, Ni Q, Zhang Z, Chai Y, Li J. Synthetic High-Density Lipoprotein-Based Nanomedicine to Silence SOCS1 in Tumor Microenvironment and Trigger Antitumor Immunity against Glioma. Angew Chem Int Ed Engl 2023; 62:e202312603. [PMID: 37847126 DOI: 10.1002/anie.202312603] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/17/2023] [Accepted: 10/17/2023] [Indexed: 10/18/2023]
Abstract
Immunotherapies have shed light on the treatment of many cancers, but have not improved the outcomes of glioma (GBM). Here, we demonstrated that suppressor of cytokine signaling 1 (SOCS1) was associated with the GBM-associated immunosuppression and developed a multifunctional nanomedicine, which silenced SOCS1 in the tumor microenvironment (TME) of GBM and triggered strong antitumor immunity against GBM. Synthetic high-density lipoprotein (sHDL) was selected as the nanocarrier and a peptide was used to facilitate the blood-brain-barrier (BBB) penetration. The nanocarrier was loaded with a small interfering RNA (siRNA), a peptide, and an adjuvant to trigger antitumor immunity. The nanomedicine concentrated on the TME in vivo, further promoting dendritic cell maturation and T cell proliferation, triggering strong cytotoxic T lymphocyte responses, and inhibiting tumor growth. Our work provides an alternative strategy to simultaneously target and modulate the TME in GBM patients and points to an avenue for enhancing the efficacy of immunotherapeutics.
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Affiliation(s)
- Chunrong Yang
- Department of Chemistry, Center for BioAnalytical Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Yujie Li
- Center for Bioanalytical Chemistry, Hefei National Laboratory of Physical Science at Microscale, University of Science and Technology of China, Hefei, 230026, China
| | - Yuchen Yang
- Department of Chemistry, Center for BioAnalytical Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Qiankun Ni
- Department of Chemistry, Center for BioAnalytical Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Zeyu Zhang
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, School of Engineering Medicine, Beihang University, Beijing, 100191, China
| | - Yi Chai
- Department of Neurosurgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200025, China
| | - Jinghong Li
- Department of Chemistry, Center for BioAnalytical Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China
- Center for Bioanalytical Chemistry, Hefei National Laboratory of Physical Science at Microscale, University of Science and Technology of China, Hefei, 230026, China
- New Cornerstone Science Laboratory, Shenzhen, 518054, China
- Beijing Institute of Life Science and Technology, Beijing, 102206, China
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46
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Lafuente-Gómez N, de Lázaro I, Dhanjani M, García-Soriano D, Sobral MC, Salas G, Mooney DJ, Somoza Á. Multifunctional magnetic nanoparticles elicit anti-tumor immunity in a mouse melanoma model. Mater Today Bio 2023; 23:100817. [PMID: 37822453 PMCID: PMC10562177 DOI: 10.1016/j.mtbio.2023.100817] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/13/2023] Open
Abstract
Immunotherapy has emerged as a promising strategy to eradicate cancer cells. Particularly, the development of cancer vaccines to induce a potent and sustained antigen-specific T cell response has become a center of attention. Herein, we describe a novel immunotherapy based on magnetic nanoparticles (MNP) covalently modified with the OVA254-267 antigen and a CpG oligonucleotide via disulfide bonds. The MNP-CpG-COVA significantly enhances dendritic cell activation and CD8+ T cell antitumoral response against B16-OVA melanoma cells in vitro. Notably, the immune response induced by the covalently modified MNP is more potent and sustained over time than that triggered by the free components, highlighting the advantage of nanoformulations in immunotherapies. What is more, the nanoparticles are stable in the blood after in vivo administration and induce potent levels of systemic tumor-specific effector CD8 + T cells. Overall, our findings highlight the potential of covalently functionalized MNP to induce robust immune responses against mouse melanoma.
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Affiliation(s)
- Nuria Lafuente-Gómez
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, 28049, Spain
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Immunology Service, Hospital Universitario de la Princesa, Instituto Investigación Sanitaria Princesa, Madrid, 28006, Spain
| | - Irene de Lázaro
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
- Department of Biomedical Engineering, NYU Tandon School of Engineering, New York University, New York, NY, 10010, USA
- NYU Cardiovascular Research Center, Division of Cardiology, Department of Medicine, NYU Grossman School of Medicine, New York University, New York, NY, 10010, USA
| | - Mónica Dhanjani
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, 28049, Spain
| | - David García-Soriano
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, 28049, Spain
| | - Miguel C. Sobral
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Gorka Salas
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, 28049, Spain
- Unidad de Nanobiotecnología Asociada al Centro Nacional de Biotecnología (CNB-CSIC), Madrid, 28049, Spain
| | - David J. Mooney
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Álvaro Somoza
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, 28049, Spain
- Unidad de Nanobiotecnología Asociada al Centro Nacional de Biotecnología (CNB-CSIC), Madrid, 28049, Spain
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Ren H, Li J, Zhang J, Liu J, Yang X, Zhang N, Qiu Q, Li D, Yu Y, Liu X, Lovell JF, Zhang Y. Anti-Tumor Immunity Induced by a Ternary Membrane System Derived From Cancer Cells, Dendritic Cells, and Bacteria. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302756. [PMID: 37603007 DOI: 10.1002/smll.202302756] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 07/25/2023] [Indexed: 08/22/2023]
Abstract
Cancer vaccines generally are limited by insufficient tumor-specific cellular immunogenicity. Herein, a potent "ABC" ternary membrane-derived vaccine system blended from antigen-presenting mature dendritic cell membranes ("A"), bacterial E. coli cytoplasmic membranes ("B"), and cancer cell membranes ("C") is developed using a block-copolymer micelle-enabled approach. The respective ABC membrane components provide for a source of cellular immune communication/activation and enhanced accumulation in lymph nodes (A), immunological adjuvant (B), and tumor antigens (C). The introduction of dendritic cell (DC) membranes enables multiple cell-to-cell communication and powerful immune activation. ABC activates dendritic cells and promotes T-cell activation and proliferation in vitro. In vivo, ABC is 14- and 304-fold more immunogenic than binary (BC) and single (C) membrane vaccines, and immunization with ABC enhances the frequency of tumor-specific cytotoxic T lymphocytes, leading to an 80% cure rate in tumor-bearing mice. In a surgical resection and recurrence model, ABC prevents recurrence with vaccination from autologous cancer membranes, and therapeutic effects are observed in a lung metastasis model even with heterologous cancer cell membranes. ABCs formed from human cancer patient-derived tumor cells activate human monocyte-derived dendritic cells (moDC). Taken together, the ternary ABC membrane system provides the needed functional components for personalized cancer immunotherapy.
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Affiliation(s)
- He Ren
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300350, P. R. China
| | - Jiexin Li
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300350, P. R. China
| | - Jingyu Zhang
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300350, P. R. China
| | - Jingang Liu
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300350, P. R. China
| | - Xingyue Yang
- School of Life Science and Technology, Weifang Medical University, Shandong, 261000, P. R. China
| | - Nan Zhang
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300350, P. R. China
| | - Qian Qiu
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300350, P. R. China
| | - Dan Li
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin, 300060, P. R. China
| | - Yue Yu
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin, 300060, P. R. China
| | - Xiaofeng Liu
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Breast Cancer Prevention and Therapy, Ministry of Education, Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin, 300060, P. R. China
| | - Jonathan F Lovell
- Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, NY, 14260, USA
| | - Yumiao Zhang
- School of Chemical Engineering and Technology, Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin, 300350, P. R. China
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Chiu FF, Tu LL, Chen W, Zhou H, Liu BS, Liu SJ, Leng CH. A broad-spectrum pneumococcal vaccine induces mucosal immunity and protects against lethal Streptococcus pneumoniae challenge. Emerg Microbes Infect 2023; 12:2272656. [PMID: 37855122 PMCID: PMC10606790 DOI: 10.1080/22221751.2023.2272656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/15/2023] [Indexed: 10/20/2023]
Abstract
Pneumococcal disease is a major threat to public health globally, impacting individuals across all age groups, particularly infants and elderly individuals. The use of current vaccines has led to unintended consequences, including serotype replacement, leading to a need for a new approach to combat pneumococcal disease. A promising solution is the development of a broad-spectrum pneumococcal vaccine. In this study, we present the development of a broad-spectrum protein-based pneumococcal vaccine that contains three pneumococcal virulence factors: rlipo-PsaA (lipidated form), rPspAΔC (truncated form), and rPspCΔC (truncated form). Intranasal immunization with rlipo-PsaA, rPspAΔC, and rPspCΔC (LAAC) resulted in significantly higher IgG titres than those induced by administration of nonlipidated rPsaA, rPspAΔC, and rPspCΔC (AAC). Furthermore, LAAC immunization induced the production of higher IgA titres in vaginal washes, feces, and sera in mice, indicating that LAAC can induce systemic mucosal immunity. In addition, administration of LAAC also induced Th1/Th17-biased immune responses and promoted opsonic phagocytosis of Streptococcus pneumoniae strains of various serotypes, implying that the immunogenicity of LAAC immunization provides a protective effect against pneumococcal infection. Importantly, challenge data showed that the LAAC-immunized mice had a reduced bacterial load not only for several serotypes of the 13-valent conjugate pneumococcal vaccine (PCV13) but also for selected non-PCV13 serotypes. Consistently, LAAC immunization increased the survival rate of mice after bacterial challenge with both PCV13 and non-PCV13 serotypes. In conclusion, our protein-based pneumococcal vaccine provides protective effects against a broad spectrum of Streptococcus pneumoniae serotypes.
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Affiliation(s)
- Fang-Feng Chiu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Ling-Ling Tu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Wangxue Chen
- Human Health Therapeutics Research Center (HHT), National Research Council Canada, Ottawa, Canada
| | - Hongyan Zhou
- Human Health Therapeutics Research Center (HHT), National Research Council Canada, Ottawa, Canada
| | - Bing-Sin Liu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Shih-Jen Liu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
- Graduate of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chih-Hsiang Leng
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
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Zhang S, Zeng Y, Wang K, Song G, Yu Y, Meng T, Yuan H, Hu F. Chitosan-based nano-micelles for potential anti-tumor immunotherapy: Synergistic effect of cGAS-STING signaling pathway activation and tumor antigen absorption. Carbohydr Polym 2023; 321:121346. [PMID: 37739513 DOI: 10.1016/j.carbpol.2023.121346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 08/09/2023] [Accepted: 08/28/2023] [Indexed: 09/24/2023]
Abstract
Cyclic GMP-AMP synthase (cGAS)-stimulator of interferon gene (STING) signaling pathway is an essential DNA-sensing pathway to regulate the innate and adaptive immune response, which plays an important role in tumor immunotherapy. Although the STING agonists can be used, they are limited by their inability to target immune cells and systemic immunotoxicity, calling for novel strategies to accurately and effectively activate the cGAS-STING signaling pathway. Herein, mannose-modified stearic acid-grafted chitosan (M-CS-SA) micelles with the ability to activate the cGAS-STING signaling pathway and absorb tumor antigens were constructed. The chitosan-based nano-micelles showed valid dendritic cell (DCs) targeting and could escape from lysosomes leading to the activation of the cGAS-STING signaling pathway and the maturation of DCs. In addition, a combinatorial therapy was presented based on the programmed administration of oxaliplatin and M-CS-SA. M-CS-SA adsorbed tumor antigens released by chemotherapy to construct an autologous tumor vaccine and built a comprehensive antitumor immune response. In vivo, the combinatorial therapy achieved a tumor inhibition rate of 76.31 % at the oxaliplatin dose of 5 mg/kg and M-CS-SA dose of 15 mg/kg, and increased the CD3+ CD8+ T cell infiltration. This work demonstrated that M-CS-SA and its co-treatment with oxaliplatin showed great potential in tumor immunotherapy.
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Affiliation(s)
- Shufen Zhang
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Yingping Zeng
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Kai Wang
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Guangtao Song
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Yiru Yu
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Tingting Meng
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China
| | - Hong Yuan
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China; Jinhua Institute of Zhejiang University, Jinhua 321299, China
| | - Fuqiang Hu
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, China; Jinhua Institute of Zhejiang University, Jinhua 321299, China.
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50
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Espinoza-Culupú A, Del Santos N, Farfán-López M, Mendes E, da Silva Junior PI, Marques Borges M. In Silico and In Vitro Approach for Evaluation of the Anti-Inflammatory and Antioxidant Potential of Mygalin. Int J Mol Sci 2023; 24:17019. [PMID: 38069341 PMCID: PMC10707111 DOI: 10.3390/ijms242317019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 11/09/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
There is a great interest in describing new molecules to be used as therapeutic targets in various diseases, particularly those that play a role in inflammatory responses and infection control. Mygalin is a synthetic analogue of spermidine, and previous studies have demonstrated its bactericidal effect against Escherichia coli, as well as its ability to modulate the inflammatory response of macrophages against lipopolysaccharide (LPS). However, the mechanisms through which mygalin regulates this inflammatory response remain poorly characterized. A set of platforms using molecular docking analysis was employed to analyze various properties of mygalin, including toxicity, biodistribution, absorption, and the prediction of its anti-inflammatory properties. In in vitro assays, we evaluated the potential of mygalin to interact with products of the inflammatory response, such as reactive oxygen species (ROS) and antioxidant activity, using the BMDM cell. The in silico analyses indicated that mygalin is not toxic, and can interact with proteins from the kinase group, and enzymes and receptors in eukaryotic cells. Molecular docking analysis showed interactions with key amino acid residues of COX-2, iNOS and 5-LOX enzymes. In vitro, assays demonstrated a significant reduction in the expression of iNOS and COX-2 induced by LPS, along with a decrease in the oxidative stress caused by the treatment with PMA, all without altering cell viability. Mygalin exhibited robust antioxidant activity in DPPH assays, regardless of the dose used, and inhibited heat-induced hemolysis. These studies suggest that mygalin holds promise for further investigation as a new molecule with anti-inflammatory and antioxidant properties.
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Affiliation(s)
| | - Nayara Del Santos
- Bacteriology Laboratory, Butantan Institute, São Paulo 05585-000, Brazil; (N.D.S.); (E.M.)
| | | | - Elizabeth Mendes
- Bacteriology Laboratory, Butantan Institute, São Paulo 05585-000, Brazil; (N.D.S.); (E.M.)
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