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Ling YY, Li ZY, Mu X, Kong YJ, Hao L, Wang WJ, Shen QH, Zhang YB, Tan CP. Self-assembly of a ruthenium-based cGAS-STING photoactivator for carrier-free cancer immunotherapy. Eur J Med Chem 2024; 275:116638. [PMID: 38950489 DOI: 10.1016/j.ejmech.2024.116638] [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: 05/04/2024] [Revised: 06/21/2024] [Accepted: 06/27/2024] [Indexed: 07/03/2024]
Abstract
The cGAS (cyclic GMP-AMP synthase)-STING (stimulator of interferon genes) pathway promotes antitumor immune responses by sensing cytosolic DNA fragments leaked from nucleus and mitochondria. Herein, we designed a highly charged ruthenium photosensitizer (Ru1) with a β-carboline alkaloid derivative as the ligand for photo-activating of the cGAS-STING pathway. Due to the formation of multiple non-covalent intermolecular interactions, Ru1 can self-assemble into carrier-free nanoparticles (NPs). By incorporating the triphenylphosphine substituents, Ru1 can target and photo-damage mitochondrial DNA (mtDNA) to cause the cytoplasmic DNA leakage to activate the cGAS-STING pathway. Finally, Ru1 NPs show potent antitumor effects and elicit intense immune responses in vivo. In conclusion, we report the first self-assembling mtDNA-targeted photosensitizer, which can effectively activate the cGAS-STING pathway, thus providing innovations for the design of new photo-immunotherapeutic agents.
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Affiliation(s)
- Yu-Yi Ling
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510006, PR China; Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Guangzhou, 510006, PR China
| | - Zhi-Yuan Li
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510006, PR China; Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Guangzhou, 510006, PR China
| | - Xia Mu
- State Key Laboratory of Molecular Reaction, Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China
| | - Ya-Jie Kong
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510006, PR China; Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Guangzhou, 510006, PR China
| | - Liang Hao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510006, PR China; Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Guangzhou, 510006, PR China
| | - Wen-Jin Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510006, PR China; Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Guangzhou, 510006, PR China
| | - Qing-Hua Shen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510006, PR China; Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Guangzhou, 510006, PR China
| | - Yue-Bin Zhang
- State Key Laboratory of Molecular Reaction, Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China.
| | - Cai-Ping Tan
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-Sen University, Guangzhou, 510006, PR China; Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Guangzhou, 510006, PR China.
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2
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Liu T, Yao W, Sun W, Yuan Y, Liu C, Liu X, Wang X, Jiang H. Components, Formulations, Deliveries, and Combinations of Tumor Vaccines. ACS NANO 2024. [PMID: 38979917 DOI: 10.1021/acsnano.4c05065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Tumor vaccines, an important part of immunotherapy, prevent cancer or kill existing tumor cells by activating or restoring the body's own immune system. Currently, various formulations of tumor vaccines have been developed, including cell vaccines, tumor cell membrane vaccines, tumor DNA vaccines, tumor mRNA vaccines, tumor polypeptide vaccines, virus-vectored tumor vaccines, and tumor-in-situ vaccines. There are also multiple delivery systems for tumor vaccines, such as liposomes, cell membrane vesicles, viruses, exosomes, and emulsions. In addition, to decrease the risk of tumor immune escape and immune tolerance that may exist with a single tumor vaccine, combination therapy of tumor vaccines with radiotherapy, chemotherapy, immune checkpoint inhibitors, cytokines, CAR-T therapy, or photoimmunotherapy is an effective strategy. Given the critical role of tumor vaccines in immunotherapy, here, we look back to the history of tumor vaccines, and we discuss the antigens, adjuvants, formulations, delivery systems, mechanisms, combination therapy, and future directions of tumor vaccines.
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Affiliation(s)
- Tengfei Liu
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Wenyan Yao
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Wenyu Sun
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Yihan Yuan
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Chen Liu
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Xiaohui Liu
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Xuemei Wang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Hui Jiang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
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3
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Dong L, Deng X, Li Y, Zhu X, Shu M, Chen J, Luo H, An K, Cheng M, Zhang P, Tan W. Stimuli-Responsive mRNA Vaccines to Induce Robust CD8 + T Cell Response via ROS-Mediated Innate Immunity Boosting. J Am Chem Soc 2024. [PMID: 38955767 DOI: 10.1021/jacs.4c04331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
The messenger RNA (mRNA) vaccines hold great significance in contagion prevention and cancer immunotherapy. However, safely and effectively harnessing innate immunity to stimulate robust and durable adaptive immune protection is crucial, yet challenging. In this study, we synthesized a library of stimuli-responsive bivalent ionizable lipids (srBiv iLPs) with smart molecular blocks responsive to esterase, H2O2, cytochrome P450, alkaline phosphatase, nitroreductase, or glutathione (GSH), aiming to leverage physiological cues to trigger fast lipid degradation, promote mRNA translation, and induce robust antitumor immunity via reactive oxygen species (ROS)-mediated boosting. After subcutaneous immunization, esterase-responsive vaccine (eBiv-mVac) was rapidly internalized and transported into the draining lymph nodes. It then underwent fast decaging and self-immolative degradation in esterase-rich antigen-presenting cells, releasing sufficient mRNA for antigen translation and massive reactive quinone methides to elevate ROS levels. This resulted in broad activation of innate immunity to boost T cell response, prompting a large number of primed antigen-specific CD8+ T cells to circulate and infiltrate into tumors (>1000-fold versus unvaccinated control), thereby orchestrating innate and adaptive immunity to control tumor growth. Moreover, by further combining our vaccination strategy with immune checkpoint blockade, we demonstrated a synergism that significantly amplified the magnitude and function of antigen-specific CD8+ T cells. This, in turn, caused potent systemic antitumor efficacy and prolonged survival with high complete response rate in xenograft and metastasis models. Overall, our generalized stimuli-responsive mRNA delivery platform promises a paradigm shift in the design of potent vaccines for cancer immunotherapy, as well as effective and precise carriers for gene editing, protein replacement, and cell engineering.
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Affiliation(s)
- Linying Dong
- Medical School, Faculty of Medicine, Tianjin University, Tianjin 300072, China
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Xuqian Deng
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yan Li
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Xiaolan Zhu
- Medical School, Faculty of Medicine, Tianjin University, Tianjin 300072, China
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Mingbo Shu
- Medical School, Faculty of Medicine, Tianjin University, Tianjin 300072, China
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Jingyi Chen
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Huacheng Luo
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Keli An
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Ming Cheng
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Penghui Zhang
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
| | - Weihong Tan
- Zhejiang Cancer Hospital, The Key Laboratory of Zhejiang Province for Aptamers and Theranostics, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou 310022, China
- Institute of Molecular Medicine (IMM), Renji Hospital, Shanghai Jiao Tong University School of Medicine, and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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4
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Wang L, Lynch C, Pitroda SP, Piffkó A, Yang K, Huser AK, Liang HL, Weichselbaum RR. Radiotherapy and immunology. J Exp Med 2024; 221:e20232101. [PMID: 38771260 PMCID: PMC11110906 DOI: 10.1084/jem.20232101] [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: 02/29/2024] [Revised: 04/29/2024] [Accepted: 05/06/2024] [Indexed: 05/22/2024] Open
Abstract
The majority of cancer patients receive radiotherapy during the course of treatment, delivered with curative intent for local tumor control or as part of a multimodality regimen aimed at eliminating distant metastasis. A major focus of research has been DNA damage; however, in the past two decades, emphasis has shifted to the important role the immune system plays in radiotherapy-induced anti-tumor effects. Radiotherapy reprograms the tumor microenvironment, triggering DNA and RNA sensing cascades that activate innate immunity and ultimately enhance adaptive immunity. In opposition, radiotherapy also induces suppression of anti-tumor immunity, including recruitment of regulatory T cells, myeloid-derived suppressor cells, and suppressive macrophages. The balance of pro- and anti-tumor immunity is regulated in part by radiotherapy-induced chemokines and cytokines. Microbiota can also influence radiotherapy outcomes and is under clinical investigation. Blockade of the PD-1/PD-L1 axis and CTLA-4 has been extensively investigated in combination with radiotherapy; we include a review of clinical trials involving inhibition of these immune checkpoints and radiotherapy.
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Affiliation(s)
- Liangliang Wang
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
- Ludwig Center for Metastasis Research, University of Chicago, Chicago, IL, USA
| | - Connor Lynch
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
- Ludwig Center for Metastasis Research, University of Chicago, Chicago, IL, USA
| | - Sean P. Pitroda
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
- Ludwig Center for Metastasis Research, University of Chicago, Chicago, IL, USA
| | - András Piffkó
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
- Ludwig Center for Metastasis Research, University of Chicago, Chicago, IL, USA
- Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Kaiting Yang
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
- Ludwig Center for Metastasis Research, University of Chicago, Chicago, IL, USA
| | - Amy K. Huser
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
| | - Hua Laura Liang
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
- Ludwig Center for Metastasis Research, University of Chicago, Chicago, IL, USA
| | - Ralph R. Weichselbaum
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, IL, USA
- Ludwig Center for Metastasis Research, University of Chicago, Chicago, IL, USA
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5
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Tian X, Ai J, Tian X, Wei X. cGAS-STING pathway agonists are promising vaccine adjuvants. Med Res Rev 2024; 44:1768-1799. [PMID: 38323921 DOI: 10.1002/med.22016] [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: 10/17/2023] [Revised: 12/10/2023] [Accepted: 01/09/2024] [Indexed: 02/08/2024]
Abstract
Adjuvants are of critical value in vaccine development as they act on enhancing immunogenicity of antigen and inducing long-lasting immunity. However, there are only a few adjuvants that have been approved for clinical use, which highlights the need for exploring and developing new adjuvants to meet the growing demand for vaccination. Recently, emerging evidence demonstrates that the cGAS-STING pathway orchestrates innate and adaptive immunity by generating type I interferon responses. Many cGAS-STING pathway agonists have been developed and tested in preclinical research for the treatment of cancer or infectious diseases with promising results. As adjuvants, cGAS-STING agonists have demonstrated their potential to activate robust defense immunity in various diseases, including COVID-19 infection. This review summarized the current developments in the field of cGAS-STING agonists with a special focus on the latest applications of cGAS-STING agonists as adjuvants in vaccination. Potential challenges were also discussed in the hope of sparking future research interests to further the development of cGAS-STING as vaccine adjuvants.
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Affiliation(s)
- Xinyu Tian
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Jiayuan Ai
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Xiaohe Tian
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
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6
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Yang W, Cao J, Di S, Chen W, Cheng H, Ren H, Xie Y, Chen L, Yu M, Chen Y, Cui X. Immunogenic Material Vaccine for Cancer Immunotherapy by Structure-Dependent Immune Cell Trafficking and Modulation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402580. [PMID: 38630978 DOI: 10.1002/adma.202402580] [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: 02/19/2024] [Revised: 04/15/2024] [Indexed: 04/19/2024]
Abstract
Inherently immunogenic materials offer enormous prospects in enhancing vaccine efficacy. However, the understanding and improving material adjuvanticity remain elusive. Herein how the structural presentation of immunopotentiators in a material governs the dynamic dialogue between innate and adaptive immunity for enhanced cancer vaccination is reported. The immunopotentiator manganese into six differing structures that resemble the architectures of two types of pathogens (spherical viruses or rod-like bacteria) is precisely manipulated. The results reveal that innate immune cells accurately sense and respond to the architectures, of which two outperformed material candidates (151 nm hollow spheres and hollow microrods with an aspect ratio of 4.5) show higher competence in creating local proinflammatory environment with promoted innate immune cell influx and stimulation on dendritic cells (DCs). In combination with viral peptides, model proteins, or cell lysate antigens, the outperformed microrod material remarkably primes antigen-specific CD8 cytolytic T cells. In prophylactic and therapeutic regimens, the microrod adjuvanted vaccines display optimal aptitude in tumor suppression in four aggressive murine tumor models, by promoting the infiltration of heterogeneous cytolytic effector cells while decreasing suppressive immunoregulatory populations in tumors. This study demonstrates that a rationally selected architecture of immunogenic materials potentially advances the clinical reality of cancer vaccination.
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Affiliation(s)
- Wei Yang
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200092, P. R. China
| | - Jianwei Cao
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200092, P. R. China
| | - Sichen Di
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200092, P. R. China
| | - Wenjin Chen
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200092, P. R. China
| | - Hui Cheng
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China
| | - Hongze Ren
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China
| | - Yujie Xie
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China
| | - Liang Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China
| | - Meihua Yu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China
| | - Yu Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou Institute of Shanghai University, Wenzhou, Zhejiang, 325088, P. R. China
- Shanghai Institute of Materdicine, Shanghai, 200051, P. R. China
| | - Xingang Cui
- Department of Urology, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 200092, P. R. China
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7
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Endo R, Ueda T, Nagaoki T, Shima N, Sato Y, Harashima H, Nakamura T. Impact of in vivo fate of STING agonist-loaded lipid nanoparticles on antitumor immunity. J Control Release 2024; 372:609-618. [PMID: 38942082 DOI: 10.1016/j.jconrel.2024.06.064] [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: 02/26/2024] [Revised: 06/24/2024] [Accepted: 06/26/2024] [Indexed: 06/30/2024]
Abstract
Therapeutically manipulating the stimulator of interferon genes (STING) pathway has promising potential for enhancing antitumor immunity. Agonists of this pathway (STING agonists) are being evaluated in clinical trials. Loading the STING agonists into lipid nanoparticles (LNPs) increases their safety and efficacy. We previously developed STING agonists loaded LNPs consisting of the ionizable lipid YSK12-C4 (YSK12-LNPs), which showed significant antitumor effects. However, it is largely unclear how the in vivo fate of STING agonists loaded LNPs affects the antitumor immune responses. In this study, we compared the YSK12-LNPs with LNPs composed of DLin-MC3-DMA (MC3-LNPs) showing different in vivo fates. Biodistribution and flow cytometry analyses of mouse tissues revealed that the MC3-LNPs delivered higher amounts of STING agonists to the liver than the YSK12-LNPs. Additionally, significantly more liver leukocytes internalized the MC3-LNPs than the YSK12-LNPs. In contrast, the YSK12-LNPs delivered higher amounts of STING agonists to the liver leukocytes than the MC3-LNPs, leading to the effective induction of innate immunity and inflammation in the tumors. However, the antitumor effects in the B16-F10 lung metastasis and CT26 tumor models were comparable. Interestingly, flow cytometry analyses suggested that the YSK12-LNPs were more likely to activate natural killer cells and M1 macrophages, while the MC3-LNPs were more likely to activate CD8+ T cells. Our data suggest that different antitumor immune response mechanisms may operate depending on the characteristics and distribution of the LNPs.
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Affiliation(s)
- Rikito Endo
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Tomoki Ueda
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Takumi Nagaoki
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Natsumi Shima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Yusuke Sato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Hideyoshi Harashima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.
| | - Takashi Nakamura
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.
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8
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Fan Q, Kuang L, Wang B, Yin Y, Dong Z, Tian N, Wang J, Yin T, Wang Y. Multiple Synergistic Effects of the Microglia Membrane-Bionic Nanoplatform on Mediate Tumor Microenvironment Remodeling to Amplify Glioblastoma Immunotherapy. ACS NANO 2024; 18:14469-14486. [PMID: 38770948 DOI: 10.1021/acsnano.4c01253] [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: 05/22/2024]
Abstract
Glioblastoma (GBM) is a lethal brain tumor with high levels of malignancy. Most chemotherapy agents show serious systemic cytotoxicity and restricted delivery effectiveness due to the impediments of the blood-brain barrier (BBB). Immunotherapy has developed great potential for aggressive tumor treatments. Disappointingly, its efficacy against GBM is hindered by the immunosuppressive tumor microenvironment (TME) and BBB. Herein, a multiple synergistic immunotherapeutic strategy against GBM was developed based on the nanomaterial-biology interaction. We have demonstrated that this BM@MnP-BSA-aPD-1 can transverse the BBB and target the TME, resulting in amplified synergetic effects of metalloimmunotherapy and photothermal immunotherapy (PTT). The journey of this nanoformulation within the TME contributed to the activation of the stimulator of the interferon gene pathway, the initiation of the immunogenic cell death effect, and the inhibition of the programmed cell death-1/programmed cell death ligand 1 (PD-1/PD-L1) signaling axis. This nanomedicine revitalizes the immunosuppressive TME and evokes the cascade effect of antitumor immunity. Therefore, the combination of BM@MnP-BSA-aPD-1 and PTT without chemotherapeutics presents favorable benefits in anti-GBM immunotherapy and exhibits immense potential for clinical translational applications.
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Affiliation(s)
- Qin Fan
- School of Medicine, Chongqing University, Chongqing 400044, China
| | - Lei Kuang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Bingyi Wang
- School of Medicine, Chongqing University, Chongqing 400044, China
| | - Ying Yin
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Zhufeng Dong
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Nixin Tian
- School of Medicine, Chongqing University, Chongqing 400044, China
| | - Jiaojiao Wang
- School of Medicine, Chongqing University, Chongqing 400044, China
| | - Tieying Yin
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Yazhou Wang
- School of Medicine, Chongqing University, Chongqing 400044, China
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9
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Anchordoquy T, Artzi N, Balyasnikova IV, Barenholz Y, La-Beck NM, Brenner JS, Chan WCW, Decuzzi P, Exner AA, Gabizon A, Godin B, Lai SK, Lammers T, Mitchell MJ, Moghimi SM, Muzykantov VR, Peer D, Nguyen J, Popovtzer R, Ricco M, Serkova NJ, Singh R, Schroeder A, Schwendeman AA, Straehla JP, Teesalu T, Tilden S, Simberg D. Mechanisms and Barriers in Nanomedicine: Progress in the Field and Future Directions. ACS NANO 2024; 18:13983-13999. [PMID: 38767983 PMCID: PMC11214758 DOI: 10.1021/acsnano.4c00182] [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: 05/22/2024]
Abstract
In recent years, steady progress has been made in synthesizing and characterizing engineered nanoparticles, resulting in several approved drugs and multiple promising candidates in clinical trials. Regulatory agencies such as the Food and Drug Administration and the European Medicines Agency released important guidance documents facilitating nanoparticle-based drug product development, particularly in the context of liposomes and lipid-based carriers. Even with the progress achieved, it is clear that many barriers must still be overcome to accelerate translation into the clinic. At the recent conference workshop "Mechanisms and Barriers in Nanomedicine" in May 2023 in Colorado, U.S.A., leading experts discussed the formulation, physiological, immunological, regulatory, clinical, and educational barriers. This position paper invites open, unrestricted, nonproprietary discussion among senior faculty, young investigators, and students to trigger ideas and concepts to move the field forward.
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Affiliation(s)
- Thomas Anchordoquy
- Department of Pharmaceutical Sciences, The Skaggs School of Pharmacy and Pharmaceutical Sciences, the University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
| | - Natalie Artzi
- Brigham and Woman's Hospital, Department of Medicine, Division of Engineering in Medicine, Harvard Medical School, Boston, Massachusetts 02215, United States
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02215, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02215, United States
| | - Irina V Balyasnikova
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University; Northwestern Medicine Malnati Brain Tumor Institute of the Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, United States
| | - Yechezkel Barenholz
- Membrane and Liposome Research Lab, IMRIC, Hebrew University Hadassah Medical School, Jerusalem 9112102, Israel
| | - Ninh M La-Beck
- Department of Immunotherapeutics and Biotechnology, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Abilene, Texas 79601, United States
| | - Jacob S Brenner
- Departments of Medicine and Pharmacology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Warren C W Chan
- Institute of Biomedical Engineering, University of Toronto, Rosebrugh Building, 164 College Street, Toronto, Ontario M5S 3G9, Canada
- Terrence Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Italian Institute of Technology, 16163 Genova, Italy
| | - Agata A Exner
- Departments of Radiology and Biomedical Engineering, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, United States
| | - Alberto Gabizon
- The Helmsley Cancer Center, Shaare Zedek Medical Center and The Hebrew University of Jerusalem-Faculty of Medicine, Jerusalem, 9103102, Israel
| | - Biana Godin
- Department of Nanomedicine, Houston Methodist Research Institute, Houston, Texas 77030, United States
- Department of Obstetrics and Gynecology, Houston Methodist Hospital, Houston, Texas 77030, United States
- Department of Obstetrics and Gynecology, Weill Cornell Medicine College (WCMC), New York, New York 10065, United States
- Department of Biomedical Engineering, Texas A&M, College Station, Texas 7784,3 United States
| | - Samuel K Lai
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Twan Lammers
- Department of Nanomedicine and Theranostics, Institute for Experimental Molecular Imaging, Center for Biohybrid Medical Systems, University Hospital RWTH Aachen, 52074 Aachen, Germany
| | - Michael J Mitchell
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Penn Institute for RNA Innovation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - S Moein Moghimi
- School of Pharmacy, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K
- Translational and Clinical Research Institute, Faculty of Health and Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4HH, U.K
- Colorado Center for Nanomedicine and Nanosafety, University of Colorado Anschutz Medical Center, Aurora, Colorado 80045, United States
| | - Vladimir R Muzykantov
- Department of Systems Pharmacology and Translational Therapeutics, The Perelman School of Medicine, The University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Dan Peer
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, 69978, Israel
- Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, 69978, Israel
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Juliane Nguyen
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Rachela Popovtzer
- Faculty of Engineering and the Institute of Nanotechnology & Advanced Materials, Bar-Ilan University, 5290002 Ramat Gan, Israel
| | - Madison Ricco
- Department of Pharmaceutical Sciences, The Skaggs School of Pharmacy and Pharmaceutical Sciences, the University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
| | - Natalie J Serkova
- Department of Radiology, University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, Colorado 80045, United States
| | - Ravi Singh
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27101, United States
- Atrium Health Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, North Carolina 27101, United States
| | - Avi Schroeder
- Department of Chemical Engineering, Technion, Israel Institute of Technology, Haifa 32000, Israel
| | - Anna A Schwendeman
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48108; Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48108, United States
| | - Joelle P Straehla
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts 02115 United States
- Koch Institute for Integrative Cancer Research at MIT, Cambridge Massachusetts 02139 United States
| | - Tambet Teesalu
- Laboratory of Precision and Nanomedicine, Institute of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia
| | - Scott Tilden
- Department of Pharmaceutical Sciences, The Skaggs School of Pharmacy and Pharmaceutical Sciences, the University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
| | - Dmitri Simberg
- Department of Pharmaceutical Sciences, The Skaggs School of Pharmacy and Pharmaceutical Sciences, the University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
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10
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Chellen T, Bausart M, Maus P, Vanvarenberg K, Limaye N, Préat V, Malfanti A. In situ administration of STING-activating hyaluronic acid conjugate primes anti-glioblastoma immune response. Mater Today Bio 2024; 26:101057. [PMID: 38660475 PMCID: PMC11040137 DOI: 10.1016/j.mtbio.2024.101057] [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: 02/07/2024] [Revised: 04/04/2024] [Accepted: 04/10/2024] [Indexed: 04/26/2024] Open
Abstract
Glioblastoma (GBM) is an aggressive brain tumor, with a highly immunosuppressive tumor immune microenvironment (TIME). In this work, we investigated the use of the STimulator of INterferon Genes (STING) pathway as an effective means to remodel the GBM TIME through the recruitment of both innate and adaptive immune cell populations. Using hyaluronic acid (HA), we developed a novel polymer-drug conjugate of a non-nucleotide STING agonist (MSA2), called HA-MSA2 for the in situ treatment of GBM. In JAWSII cells, HA-MSA2 exerted a greater increase of STING signaling and upregulation of STING-related downstream cyto-/chemokines in immune cells than the free drug. HA-MSA2 also elicited cancer cell-intrinsic immunostimulatory gene expression and promoted immunogenic cell death of GBM cells. In the SB28 GBM model, local delivery of HA-MSA2 induced a delay in tumor growth and a significant extension of survival. The analysis of the TIME showed a profound shift in the GBM immune landscape after HA-MSA2 treatment, with higher infiltration by innate and adaptive immune cells including dendritic, natural killer (NK) and CD8 T cell populations. The therapeutic potential of this novel polymer conjugate warrants further investigation, particularly with other chemo-immunotherapeutics or cancer vaccines as a promising combinatorial therapeutic approach.
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Affiliation(s)
- Teenesha Chellen
- UCLouvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200, Brussels, Belgium
| | - Mathilde Bausart
- UCLouvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200, Brussels, Belgium
| | - Pierre Maus
- UCLouvain, de Duve Institute, Genetics of Autoimmune Diseases and Cancer, Brussels, Belgium
| | - Kevin Vanvarenberg
- UCLouvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200, Brussels, Belgium
| | - Nisha Limaye
- UCLouvain, de Duve Institute, Genetics of Autoimmune Diseases and Cancer, Brussels, Belgium
| | - Véronique Préat
- UCLouvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200, Brussels, Belgium
| | - Alessio Malfanti
- UCLouvain, Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Avenue Mounier 73 B1.73.12, 1200, Brussels, Belgium
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy
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11
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Tian Y, Tian H, Li B, Feng C, Dai Y. An Ultrasound-Triggered STING Pathway Nanoagonist for Enhanced Chemotherapy-Induced Immunogenic Cell Death. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309850. [PMID: 38225710 DOI: 10.1002/smll.202309850] [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: 10/30/2023] [Revised: 12/24/2023] [Indexed: 01/17/2024]
Abstract
Although chemotherapy has the potential to induce tumor immunotherapy via immunogenic cell death (ICD) effects, how to control the intensity of the immune responses still deserves further exploration. Herein, a controllable ultrasound (US)-triggered chemo-immunotherapy nanoagonist is successfully synthesized by utilizing the pH and reactive oxygen species (ROS) dual-responsive PEG-polyphenol to assemble sonosensitizer zinc oxide (ZnO) and doxorubicin (DOX). The PZnO@DOX nanoparticles have an intelligent disassembly to release DOX and zinc ions in acidic pH conditions. Notably, US irradiation generates ROS by sonodynamic therapy and accelerates the drug release process. Interestingly, after the PZnO@DOX+US treatment, the injured cells release double-stranded DNA (dsDNA) from the nucleus and mitochondria into the cytosol. Subsequently, both the dsDNA and zinc ions bind with cyclic GMP-AMP synthase and activate the stimulator of interferon genes (STING) pathway, resulting in the dendritic cell maturation, ultimately promoting DOX-induced ICD effects and antigen-specific T cell immunity. Therefore, chemotherapy-induced immune responses can be modulated by non-invasive control of US.
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Grants
- 32222090 National Natural Science Foundation of China
- 32171318 National Natural Science Foundation of China
- 32101069 National Natural Science Foundation of China
- Faculty of Health Sciences, University of Macau, the Multi-Year Research Grant
- 0103/2021/A Science and Technology Development Fund, Macau SAR
- 0002/2021/AKP Science and Technology Development Fund, Macau SAR
- 0133/2022/A3 Science and Technology Development Fund, Macau SAR
- 0009/2022/AKP Science and Technology Development Fund, Macau SAR
- 0006/2023/ITP1 Science and Technology Development Fund, Macau SAR
- SHMDF-OIRFS/2022/002 Dr. Stanley Ho Medical Development Foundation
- SP2023-00001-FSCPO Ministry of Education Frontiers Science Centre for Precision Oncology, University of Macau
- MYRG2022-00011-FHS Research Services and Knowledge Transfer Office, University of Macau
- MYRG-GRG2023-00013-FHS-UMDF Research Services and Knowledge Transfer Office, University of Macau
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Affiliation(s)
- Ye Tian
- Cancer Center and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau SAR, 999078, China
| | - Hao Tian
- Cancer Center and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau SAR, 999078, China
| | - Bei Li
- Cancer Center and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau SAR, 999078, China
| | - Chuanliang Feng
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiaotong University, Dongchuan Road 800, Shanghai, 200240, China
| | - Yunlu Dai
- Cancer Center and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau SAR, 999078, China
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12
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Hu H, Zheng S, He C, Zheng Y, Wei Q, Chen S, Wu Z, Xu Y, Zhao B, Yan C. Radiotherapy-sensitized cancer immunotherapy via cGAS-STING immune pathway by activatable nanocascade reaction. J Nanobiotechnology 2024; 22:234. [PMID: 38724978 PMCID: PMC11080188 DOI: 10.1186/s12951-024-02502-8] [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: 01/25/2024] [Accepted: 04/28/2024] [Indexed: 05/13/2024] Open
Abstract
Radiotherapy-induced immune activation holds great promise for optimizing cancer treatment efficacy. Here, we describe a clinically used radiosensitizer hafnium oxide (HfO2) that was core coated with a MnO2 shell followed by a glucose oxidase (GOx) doping nanoplatform (HfO2@MnO2@GOx, HMG) to trigger ferroptosis adjuvant effects by glutathione depletion and reactive oxygen species production. This ferroptosis cascade potentiation further sensitized radiotherapy by enhancing DNA damage in 4T1 breast cancer tumor cells. The combination of HMG nanoparticles and radiotherapy effectively activated the damaged DNA and Mn2+-mediated cGAS-STING immune pathway in vitro and in vivo. This process had significant inhibitory effects on cancer progression and initiating an anticancer systemic immune response to prevent distant tumor recurrence and achieve long-lasting tumor suppression of both primary and distant tumors. Furthermore, the as-prepared HMG nanoparticles "turned on" spectral computed tomography (CT)/magnetic resonance dual-modality imaging signals, and demonstrated favorable contrast enhancement capabilities activated by under the GSH tumor microenvironment. This result highlighted the potential of nanoparticles as a theranostic nanoplatform for achieving molecular imaging guided tumor radiotherapy sensitization induced by synergistic immunotherapy.
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Affiliation(s)
- Honglei Hu
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- Department of Radiology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Shuting Zheng
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Chenxi He
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Yinfei Zheng
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Qiming Wei
- Department of Invasive Interventional, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Siwen Chen
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Zede Wu
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Yikai Xu
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| | - Bingxia Zhao
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
| | - Chenggong Yan
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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13
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Dion MZ, Artzi N. Polypeptide agonists of innate immune sensors. Nat Biomed Eng 2024; 8:495-496. [PMID: 38778182 DOI: 10.1038/s41551-024-01212-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Affiliation(s)
- Michelle Z Dion
- Harvard-MIT Division of Health Sciences & Technology, Massachusetts Institute of Technology, Cambridge, MA, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Medicine, Division of Engineering in Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
| | - Natalie Artzi
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Medicine, Division of Engineering in Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA.
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA.
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14
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Sheehy TL, Kwiatkowski AJ, Arora K, Kimmel BR, Schulman JA, Gibson-Corley K, Wilson JT. STING-Activating Polymer-Drug Conjugates for Cancer Immunotherapy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.23.585817. [PMID: 38585879 PMCID: PMC10996458 DOI: 10.1101/2024.03.23.585817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
The stimulator of interferon genes (STING) pathway links innate and adaptive antitumor immunity and therefore plays an important role in cancer immune surveillance. This has prompted widespread development of STING agonists for cancer immunotherapy, but pharmacological barriers continue to limit the clinical impact of STING agonists and motivate the development of drug delivery systems to improve their efficacy and/or safety. To address this challenge, we developed SAPCon, a STING-activating polymer-drug conjugate platform based on strain-promoted azide-alkyne cycloaddition of dimeric-amidobenzimidazole (diABZI) STING agonists to hydrophilic polymer chains through an enzyme-responsive chemical linker. To synthesize a first-generation SAPCon, we designed a diABZI prodrug modified with a DBCO reactive handle a cathepsin B-cleavable spacer for intracellular drug release and conjugated this to pendant azide groups on a 100 kDa poly(dimethyla acrylamide-co-azide methacrylate) copolymer backbone to increase circulation time and enable passive tumor accumulation. We found that intravenously administered SAPCon accumulated at tumor sites where they it was endocytosed by tumor-associated myeloid cells, resulting in increased STING activation in tumor tissue compared to a free diABZI STING agonist. Consequently, SAPCon promoted an immunogenic tumor microenvironment, characterized by increased frequency of activated macrophages and dendritic cells and improved infiltration of CD8+ T cells, resulting in inhibition of tumor growth, prolonged survival, and increased response to anti-PD-1 immune checkpoint blockade in orthotopic models of breast cancer. Collectively, these studies position SAPCon as a modular and programmable platform for improving the efficacy of systemically administered STING agonists for cancer immunotherapy.
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15
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Wang Z, Ren X, Li Y, Qiu L, Wang D, Liu A, Liang H, Li L, Yang B, Whittaker AK, Liu Z, Jin S, Lin Q, Wang T. Reactive Oxygen Species Amplifier for Apoptosis-Ferroptosis Mediated High-Efficiency Radiosensitization of Tumors. ACS NANO 2024; 18:10288-10301. [PMID: 38556985 DOI: 10.1021/acsnano.4c01625] [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: 04/04/2024]
Abstract
Insufficient reactive oxygen species (ROS) production and radioresistance have consistently contributed to the failure of radiotherapy (RT). The development of a biomaterial capable of activating ROS-induced apoptosis and ferroptosis is a potential strategy to enhance RT sensitivity. To achieve precision and high-efficiency RT, the theranostic nanoplatform Au/Cu nanodots (Au/CuNDs) were designed for dual-mode imaging, amplifying ROS generation, and inducing apoptosis-ferroptosis to sensitize RT. A large amount of ROS is derived from three aspects: (1) When exposed to ionizing radiation, Au/CuNDs effectively absorb photons and emit various electrons, which can interact with water to produce ROS. (2) Au/CuNDs act as a catalase-like to produce abundant ROS through Fenton reaction with hydrogen peroxide overexpressed of tumor cells. (3) Au/CuNDs deplete overexpressed glutathione, which causes the accumulation of ROS. Large amounts of ROS and ionizing radiation further lead to apoptosis by increasing DNA damage, and ferroptosis by enhancing lipid peroxidation, significantly improving the therapeutic efficiency of RT. Furthermore, Au/CuNDs serve as an excellent nanoprobe for high-resolution near-infrared fluorescence imaging and computed tomography of tumors. The promising dual-mode imaging performance shows their potential application in clinical cancer detection and imaging-guided precision RT, minimizing damage to adjacent normal tissues during RT. In summary, our developed theranostic nanoplatform integrates dual-mode imaging and sensitizes RT via ROS-activated apoptosis-ferroptosis, offering a promising prospect for clinical cancer diagnosis and treatment.
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Affiliation(s)
- Ze Wang
- Department of Radiation Oncology, The Second Hospital of Jilin University, Changchun 130041, P. R. China
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Xiaojun Ren
- Department of Radiation Oncology, The Second Hospital of Jilin University, Changchun 130041, P. R. China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, P. R. China
| | - Yunfeng Li
- Department of Radiation Oncology, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Ling Qiu
- Department of Radiation Oncology, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Dongzhou Wang
- Department of Radiation Oncology, The Second Hospital of Jilin University, Changchun 130041, P. R. China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, P. R. China
| | - Annan Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Hao Liang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Lei Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Andrew K Whittaker
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Zhongshan Liu
- Department of Radiation Oncology, The Second Hospital of Jilin University, Changchun 130041, P. R. China
| | - Shunzi Jin
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, P. R. China
| | - Quan Lin
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Tiejun Wang
- Department of Radiation Oncology, The Second Hospital of Jilin University, Changchun 130041, P. R. China
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16
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Nguyen DC, Song K, Jokonya S, Yazdani O, Sellers DL, Wang Y, Zakaria ABM, Pun SH, Stayton PS. Mannosylated STING Agonist Drugamers for Dendritic Cell-Mediated Cancer Immunotherapy. ACS CENTRAL SCIENCE 2024; 10:666-675. [PMID: 38559305 PMCID: PMC10979423 DOI: 10.1021/acscentsci.3c01310] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/22/2024] [Accepted: 02/06/2024] [Indexed: 04/04/2024]
Abstract
The Stimulator of Interferon Genes (STING) pathway is a promising target for cancer immunotherapy. Despite recent advances, therapies targeting the STING pathway are often limited by routes of administration, suboptimal STING activation, or off-target toxicity. Here, we report a dendritic cell (DC)-targeted polymeric prodrug platform (polySTING) that is designed to optimize intracellular delivery of a diamidobenzimidazole (diABZI) small-molecule STING agonist while minimizing off-target toxicity after parenteral administration. PolySTING incorporates mannose targeting ligands as a comonomer, which facilitates its uptake in CD206+/mannose receptor+ professional antigen-presenting cells (APCs) in the tumor microenvironment (TME). The STING agonist is conjugated through a cathepsin B-cleavable valine-alanine (VA) linker for selective intracellular drug release after receptor-mediated endocytosis. When administered intravenously in tumor-bearing mice, polySTING selectively targeted CD206+/mannose receptor+ APCs in the TME, resulting in increased cross-presenting CD8+ DCs, infiltrating CD8+ T cells in the TME as well as maturation across multiple DC subtypes in the tumor-draining lymph node (TDLN). Systemic administration of polySTING slowed tumor growth in a B16-F10 murine melanoma model as well as a 4T1 murine breast cancer model with an acceptable safety profile. Thus, we demonstrate that polySTING delivers STING agonists to professional APCs after systemic administration, generating efficacious DC-driven antitumor immunity with minimal side effects. This new polymeric prodrug platform may offer new opportunities for combining efficient targeted STING agonist delivery with other selective tumor therapeutic strategies.
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Affiliation(s)
- Dinh Chuong Nguyen
- Molecular
Engineering & Sciences Institute, University
of Washington, Seattle, Washington 98195, United States
| | - Kefan Song
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
| | - Simbarashe Jokonya
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
| | - Omeed Yazdani
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
| | - Drew L. Sellers
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
| | - Yonghui Wang
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
| | - ABM Zakaria
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
| | - Suzie H. Pun
- Molecular
Engineering & Sciences Institute, University
of Washington, Seattle, Washington 98195, United States
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
| | - Patrick S. Stayton
- Molecular
Engineering & Sciences Institute, University
of Washington, Seattle, Washington 98195, United States
- Department
of Bioengineering, University of Washington, Seattle, Washington 98195, United States
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17
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Kudruk S, Forsyth CM, Dion MZ, Hedlund Orbeck JK, Luo J, Klein RS, Kim AH, Heimberger AB, Mirkin CA, Stegh AH, Artzi N. Multimodal neuro-nanotechnology: Challenging the existing paradigm in glioblastoma therapy. Proc Natl Acad Sci U S A 2024; 121:e2306973121. [PMID: 38346200 PMCID: PMC10895370 DOI: 10.1073/pnas.2306973121] [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] [Indexed: 02/15/2024] Open
Abstract
Integrating multimodal neuro- and nanotechnology-enabled precision immunotherapies with extant systemic immunotherapies may finally provide a significant breakthrough for combatting glioblastoma (GBM). The potency of this approach lies in its ability to train the immune system to efficiently identify and eradicate cancer cells, thereby creating anti-tumor immune memory while minimizing multi-mechanistic immune suppression. A critical aspect of these therapies is the controlled, spatiotemporal delivery of structurally defined nanotherapeutics into the GBM tumor microenvironment (TME). Architectures such as spherical nucleic acids or poly(beta-amino ester)/dendrimer-based nanoparticles have shown promising results in preclinical models due to their multivalency and abilities to activate antigen-presenting cells and prime antigen-specific T cells. These nanostructures also permit systematic variation to optimize their distribution, TME accumulation, cellular uptake, and overall immunostimulatory effects. Delving deeper into the relationships between nanotherapeutic structures and their performance will accelerate nano-drug development and pave the way for the rapid clinical translation of advanced nanomedicines. In addition, the efficacy of nanotechnology-based immunotherapies may be enhanced when integrated with emerging precision surgical techniques, such as laser interstitial thermal therapy, and when combined with systemic immunotherapies, particularly inhibitors of immune-mediated checkpoints and immunosuppressive adenosine signaling. In this perspective, we highlight the potential of emerging treatment modalities, combining advances in biomedical engineering and neurotechnology development with existing immunotherapies to overcome treatment resistance and transform the management of GBM. We conclude with a call to action for researchers to leverage these technologies and accelerate their translation into the clinic.
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Affiliation(s)
- Sergej Kudruk
- Department of Chemistry, Northwestern University, Evanston, IL 60208
- International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208
| | - Connor M Forsyth
- Department of Chemistry, Northwestern University, Evanston, IL 60208
- International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208
| | - Michelle Z Dion
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Jenny K Hedlund Orbeck
- Department of Chemistry, Northwestern University, Evanston, IL 60208
- International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208
| | - Jingqin Luo
- The Brain Tumor Center, Alvin J. Siteman Comprehensive Cancer Center, Washington University School of Medicine, St. Louis, MO 63110
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, MO 63110
| | - Robyn S Klein
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110
- Department of Neuroscience, Washington University School of Medicine, St. Louis, MO 63110
- Center for Neuroimmunology and Neuroinfectious Diseases, Washington University School of Medicine, St. Louis, MO 63110
| | - Albert H Kim
- The Brain Tumor Center, Alvin J. Siteman Comprehensive Cancer Center, Washington University School of Medicine, St. Louis, MO 63110
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, MO 63110
| | - Amy B Heimberger
- Department of Neurological Surgery, Malnati Brain Tumor Institute of the Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Chad A Mirkin
- Department of Chemistry, Northwestern University, Evanston, IL 60208
- International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208
| | - Alexander H Stegh
- The Brain Tumor Center, Alvin J. Siteman Comprehensive Cancer Center, Washington University School of Medicine, St. Louis, MO 63110
- Department of Neurological Surgery, Washington University School of Medicine, St. Louis, MO 63110
| | - Natalie Artzi
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139
- Department of Medicine, Engineering in Medicine Division, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02115
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18
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Wang L, Zhou H, Chen Q, Lin Z, Jiang C, Chen X, Chen M, Liu L, Shao L, Liu X, Pan J, Wu J, Song J, Wu J, Zhang D. STING Agonist-Loaded Nanoparticles Promotes Positive Regulation of Type I Interferon-Dependent Radioimmunotherapy in Rectal Cancer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307858. [PMID: 38063844 PMCID: PMC10870073 DOI: 10.1002/advs.202307858] [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: 10/18/2023] [Revised: 11/14/2023] [Indexed: 02/17/2024]
Abstract
Hypoxia-associated radioresistance in rectal cancer (RC) has severely hampered the response to radioimmunotherapy (iRT), necessitating innovative strategies to enhance RC radiosensitivity and improve iRT efficacy. Here, a catalytic radiosensitizer, DMPtNPS, and a STING agonist, cGAMP, are integrated to overcome RC radioresistance and enhance iRT. DMPtNPS promotes efficient X-ray energy transfer to generate reactive oxygen species, while alleviating hypoxia within tumors, thereby increasing radiosensitivity. Mechanistically, the transcriptomic and immunoassay analysis reveal that the combination of DMPtNPS and RT provokes bidirectional regulatory effects on the immune response, which may potentially reduce the antitumor efficacy. To mitigate this, cGAMP is loaded into DMPtNPS to reverse the negative impact of DMPtNPS and RT on the tumor immune microenvironment (TiME) through the type I interferon-dependent pathway, which promotes cancer immunotherapy. In a bilateral tumor model, the combination treatment of RT, DMPtNPS@cGAMP, and αPD-1 demonstrates a durable complete response at the primary site and enhanced abscopal effect at the distant site. This study highlights the critical role of incorporating catalytic radiosensitizers and STING agonists into the iRT approach for RC.
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Affiliation(s)
- Lei Wang
- Department of Radiation OncologyFujian Cancer HospitalFujian Medical UniversityFuzhou350025P. R. China
- Department of Oncologythe Second Affiliated Hospital of Nanchang UniversityNanchang360000P. R. China
| | - Han Zhou
- Department of Clinical OncologyThe University of Hong Kong‐Shenzhen HospitalShenzhenGuangdong518053P. R. China
| | - Qingjing Chen
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian ProvinceMengchao Hepatobiliary Hospital of Fujian Medical UniversityFuzhou350025P. R. China
- Department of Hepatopancreatobiliary SurgeryFirst Affiliated Hospital of Fujian Medical UniversityFuzhou350004P.R. China
| | - Zhiwen Lin
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian ProvinceMengchao Hepatobiliary Hospital of Fujian Medical UniversityFuzhou350025P. R. China
- Department of Hepatopancreatobiliary SurgeryFirst Affiliated Hospital of Fujian Medical UniversityFuzhou350004P.R. China
| | - Chenwei Jiang
- School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200030P. R. China
| | - Xingte Chen
- Department of Radiation OncologyFujian Cancer HospitalFujian Medical UniversityFuzhou350025P. R. China
| | - Mingdong Chen
- Department of Radiation OncologyMengchao Hepatobiliary Hospital of Fujian Medical UniversityFuzhou350025P. R. China
| | - Libin Liu
- Department of Radiation OncologyFujian Cancer HospitalFujian Medical UniversityFuzhou350025P. R. China
| | - Lingdong Shao
- Department of Radiation OncologyFujian Cancer HospitalFujian Medical UniversityFuzhou350025P. R. China
| | - Xiaolong Liu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian ProvinceMengchao Hepatobiliary Hospital of Fujian Medical UniversityFuzhou350025P. R. China
- CAS Key Laboratory of Design and Assembly of Functional NanostructuresFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou350002P. R. China
- Mengchao Med‐X CenterFuzhou UniversityFuzhou350116P. R. China
| | - Jianji Pan
- Department of Radiation OncologyFujian Cancer HospitalFujian Medical UniversityFuzhou350025P. R. China
| | - Jingcheng Wu
- Department of Health ScienceTechnology and EducationNational Health Commission of the People's Republic of ChinaBeijing100088China
| | - Jibin Song
- State Key Laboratory of Chemical Resource EngineeringCollege of ChemistryBeijing University of Chemical TechnologyBeijing10010P. R. China
| | - Junxin Wu
- Department of Radiation OncologyFujian Cancer HospitalFujian Medical UniversityFuzhou350025P. R. China
| | - Da Zhang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian ProvinceMengchao Hepatobiliary Hospital of Fujian Medical UniversityFuzhou350025P. R. China
- Mengchao Med‐X CenterFuzhou UniversityFuzhou350116P. R. China
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19
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Seyhan AA. Trials and Tribulations of MicroRNA Therapeutics. Int J Mol Sci 2024; 25:1469. [PMID: 38338746 PMCID: PMC10855871 DOI: 10.3390/ijms25031469] [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: 12/22/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 02/12/2024] Open
Abstract
The discovery of the link between microRNAs (miRNAs) and a myriad of human diseases, particularly various cancer types, has generated significant interest in exploring their potential as a novel class of drugs. This has led to substantial investments in interdisciplinary research fields such as biology, chemistry, and medical science for the development of miRNA-based therapies. Furthermore, the recent global success of SARS-CoV-2 mRNA vaccines against the COVID-19 pandemic has further revitalized interest in RNA-based immunotherapies, including miRNA-based approaches to cancer treatment. Consequently, RNA therapeutics have emerged as highly adaptable and modular options for cancer therapy. Moreover, advancements in RNA chemistry and delivery methods have been pivotal in shaping the landscape of RNA-based immunotherapy, including miRNA-based approaches. Consequently, the biotechnology and pharmaceutical industry has witnessed a resurgence of interest in incorporating RNA-based immunotherapies and miRNA therapeutics into their development programs. Despite substantial progress in preclinical research, the field of miRNA-based therapeutics remains in its early stages, with only a few progressing to clinical development, none reaching phase III clinical trials or being approved by the US Food and Drug Administration (FDA), and several facing termination due to toxicity issues. These setbacks highlight existing challenges that must be addressed for the broad clinical application of miRNA-based therapeutics. Key challenges include establishing miRNA sensitivity, specificity, and selectivity towards their intended targets, mitigating immunogenic reactions and off-target effects, developing enhanced methods for targeted delivery, and determining optimal dosing for therapeutic efficacy while minimizing side effects. Additionally, the limited understanding of the precise functions of miRNAs limits their clinical utilization. Moreover, for miRNAs to be viable for cancer treatment, they must be technically and economically feasible for the widespread adoption of RNA therapies. As a result, a thorough risk evaluation of miRNA therapeutics is crucial to minimize off-target effects, prevent overdosing, and address various other issues. Nevertheless, the therapeutic potential of miRNAs for various diseases is evident, and future investigations are essential to determine their applicability in clinical settings.
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Affiliation(s)
- Attila A. Seyhan
- Laboratory of Translational Oncology and Experimental Cancer Therapeutics, Warren Alpert Medical School, Brown University, Providence, RI 02912, USA;
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School, Brown University, Providence, RI 02912, USA
- Joint Program in Cancer Biology, Lifespan Health System and Brown University, Providence, RI 02912, USA
- Legorreta Cancer Center, Brown University, Providence, RI 02912, USA
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20
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Paranandi KS, Lee A, Stanic N, Mirkin CA. Cellular Export Fate of Liposomal Spherical Nucleic Acids. ACS NANO 2023; 17:19000-19010. [PMID: 37738539 PMCID: PMC10801820 DOI: 10.1021/acsnano.3c04608] [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: 09/24/2023]
Abstract
Liposomal spherical nucleic acids (LSNAs) are useful structures for oligonucleotide-based cell modulation because of their biocompatibility and ability to readily enter cells without transfection agents. Understanding LSNA trafficking is key to developing applications, but while much is understood about LSNA cell uptake, little is known about their export fate. Here, we study LSNA export through pulse-chase studies with fluorophore-labeled LSNAs. Our findings show that the components of LSNAs are differentially exported by cells, with the phospholipids showing 90-100% export and the oligonucleotides showing 30-45% export over 24 h in RAW264.7 macrophages. Despite the increase in the level of uptake of LSNAs, these percentages are not significantly influenced by whether the materials are taken up as LSNAs or as the individual components. The exported oligonucleotide material consists of a full-length oligonucleotide with the phospholipid anchor modified by loss of a fatty acid. The exported liposome-derived phospholipids also had a fatty acid removed. Moreover, the exported oligonucleotide-lysophospholipid conjugates retain immunostimulatory potential. These findings indicate that after cellular entry LSNAs are degraded into lysophospholipids, something to which they are susceptible due to the presence of hydrolyzable ester bonds. The export percentage of the resultant materials over 24 h is independent of the amount imported, such that greater initial import leads to a similar fold increase in exported material. This work therefore reveals an intracellular feature of LSNAs and shows that the enhanced uptake achieved with LSNAs can be exploited to maximize the amount of material subsequently exported, suggesting avenues for leveraging pharmacologic effects from exported LSNA components.
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Affiliation(s)
- Krishna S. Paranandi
- International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
- Interdisciplinary Biological Sciences Program, Northwestern University, Evanston, Illinois 60208, United States
| | - Andrew Lee
- International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Nikola Stanic
- International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
| | - Chad A. Mirkin
- International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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