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Chongchai A, Bentayebi K, Chu G, Yan W, Waramit S, Phitak T, Kongtawelert P, Pothacharoen P, Suwan K, Hajitou A. Targeted treatment of chondrosarcoma with a bacteriophage-based particle delivering a secreted tumor necrosis factor-related apoptosis-inducing ligand. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200805. [PMID: 38745750 PMCID: PMC11090904 DOI: 10.1016/j.omton.2024.200805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 02/20/2024] [Accepted: 04/18/2024] [Indexed: 05/16/2024]
Abstract
Chondrosarcoma (CS) is a malignant cartilage-forming bone tumor that is inherently resistant to chemotherapy and radiotherapy, leaving surgery as the only treatment option. We have designed a tumor-targeted bacteriophage (phage)-derived particle (PDP), for targeted systemic delivery of cytokine-encoding transgenes to solid tumors. Phage has no intrinsic tropism for mammalian cells; therefore, it was engineered to display a double cyclic RGD4C ligand on the capsid to target tumors. To induce cancer cell death, we constructed a transgene cassette expressing a secreted form of the cytokine tumor necrosis factor-related apoptosis-inducing ligand (sTRAIL). We detected high expression of αvβ3 and αvβ5 integrin receptors of the RGD4C ligand, and of the TRAIL receptor-2 in human CS cells (SW1353), but not in primary normal chondrocytes. The RGD4C.PDP-Luc particle carrying a luciferase reporter gene, Luc, effectively and selectively mediated gene delivery to SW1353 cells, but not primary chondrocytes. Transduction of SW1353 cells with RGD4C.PDP-sTRAIL encoding a human sTRAIL, resulted in the expression of TRAIL and subsequent cell death without harming the normal chondrocytes. Intravenous administration of RGD4C.PDP-sTRAIL to mice with established human CS resulted in a decrease in tumor size and tumor viability. Altogether, RGD4C.PDP-sTRAIL can be used to target systemic treatment of CS with the sTRAIL.
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Affiliation(s)
- Aitthiphon Chongchai
- Cancer Phage Therapy Laboratory, Department of Brain Sciences, Imperial College London, W12 0NN London, UK
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kaoutar Bentayebi
- Cancer Phage Therapy Laboratory, Department of Brain Sciences, Imperial College London, W12 0NN London, UK
- Medical Biotechnology Laboratory, Rabat Medical and Pharmacy School, Mohammed V University, Rabat 10100, Morocco
| | - Grace Chu
- Cancer Phage Therapy Laboratory, Department of Brain Sciences, Imperial College London, W12 0NN London, UK
| | - Wenqing Yan
- Cancer Phage Therapy Laboratory, Department of Brain Sciences, Imperial College London, W12 0NN London, UK
| | - Sajee Waramit
- Cancer Phage Therapy Laboratory, Department of Brain Sciences, Imperial College London, W12 0NN London, UK
| | - Thanyaluck Phitak
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Prachya Kongtawelert
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Peraphan Pothacharoen
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Keittisak Suwan
- Cancer Phage Therapy Laboratory, Department of Brain Sciences, Imperial College London, W12 0NN London, UK
| | - Amin Hajitou
- Cancer Phage Therapy Laboratory, Department of Brain Sciences, Imperial College London, W12 0NN London, UK
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2
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Cao X, Tang L, Song J. Circular Single-Stranded DNA: Discovery, Biological Effects, and Applications. ACS Synth Biol 2024; 13:1038-1058. [PMID: 38501391 DOI: 10.1021/acssynbio.4c00040] [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: 03/20/2024]
Abstract
The field of nucleic acid therapeutics has witnessed a significant surge in recent times, as evidenced by the increasing number of approved genetic drugs. However, current platform technologies containing plasmids, lipid nanoparticle-mRNAs, and adeno-associated virus vectors encounter various limitations and challenges. Thus, we are devoted to finding a novel nucleic acid vector and have directed our efforts toward investigating circular single-stranded DNA (CssDNA), an ancient form of nucleic acid. CssDNAs are ubiquitous, but generally ignored. Accumulating evidence suggests that CssDNAs possess exceptional properties as nucleic acid vectors, exhibiting great potential for clinical applications in genetic disorders, gene editing, and immune cell therapy. Here, we comprehensively review the discovery and biological effects of CssDNAs as well as their applications in the field of biomedical research for the first time. Undoubtedly, as an ancient form of DNA, CssDNA holds immense potential and promises novel insights for biomedical research.
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Affiliation(s)
- Xisen Cao
- Institute of Nano Biomedicine and Engineering, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Linlin Tang
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou 310022, China
| | - Jie Song
- Institute of Nano Biomedicine and Engineering, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, Hangzhou 310022, China
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3
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Sittiju P, Wudtiwai B, Chongchai A, Hajitou A, Kongtawelert P, Pothacharoen P, Suwan K. Bacteriophage-based particles carrying the TNF-related apoptosis-inducing ligand (TRAIL) gene for targeted delivery in hepatocellular carcinoma. NANOSCALE 2024; 16:6603-6617. [PMID: 38470366 PMCID: PMC10977282 DOI: 10.1039/d3nr05660k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
The TRAIL (Tumour Necrosis Factor-Related Apoptosis-Inducing Ligand) is a promising candidate for cancer treatment due to its unique ability to selectively induce programmed cell death, or apoptosis, in cancer cells while sparing healthy ones. This selectivity arises from the preferential binding of the TRAIL to death receptors on cancer cells, triggering a cascade of events that lead to their demise. However, significant limitations in using the TRAIL for cancer treatment are the administration of the TRAIL protein that can potentially lead to tissue toxicity (off-target) and the short half-life of the TRAIL in the body which may necessitate frequent and sustained administration; these can pose logistical challenges for long-term treatment regimens. We have devised a novel approach for surmounting these limitations by introducing the TRAIL gene directly into cancer cells, enabling them to produce the TRAIL locally and subsequently trigger apoptosis. A novel gene delivery system such as a bacteriophage-based particle TPA (transmorphic phage/AAV) was utilized to address these limitations. TPA is a hybrid M13 filamentous bacteriophage particle encapsulating a therapeutic gene cassette with inverted terminal repeats (ITRs) from adeno-associated viruses (AAVs). The particle also showed a tumour targeting ligand, CDCRGDCFC (RGD4C), on its capsid (RGD4C.TPA) to target the particle to cancer cells. RGD4C selectively binds to αvβ3 and αvβ5 integrins overexpressed on the surface of most of the cancer cells but is barely present on normal cells. Hepatocellular carcinoma (HCC) was chosen as a model because it has one of the lowest survival rates among cancers. We demonstrated that human HCC cell lines (Huh-7 and HepG2) express αvβ5 integrin receptors on their surface. These HCC cells also express death receptors and TRAIL-binding receptors. We showed that the targeted TPA particle carrying the transmembrane TRAIL gene (RGD4C.TPA-tmTRAIL) selectively and efficiently delivered the tmTRAIL gene to HCC cells resulting in the production of tmTRAIL from transduced cells and subsequently induced apoptotic death of HCC cells. This tumour-targeted particle can be an excellent candidate for the targeted gene therapy of HCC.
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Affiliation(s)
- Pattaralawan Sittiju
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK.
| | - Benjawan Wudtiwai
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | - Aitthiphon Chongchai
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | - Amin Hajitou
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK.
| | - Prachya Kongtawelert
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | - Peraphan Pothacharoen
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | - Keittisak Suwan
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK.
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Hahn J, Ding S, Im J, Harimoto T, Leong KW, Danino T. Bacterial therapies at the interface of synthetic biology and nanomedicine. NATURE REVIEWS BIOENGINEERING 2024; 2:120-135. [PMID: 38962719 PMCID: PMC11218715 DOI: 10.1038/s44222-023-00119-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/08/2023] [Indexed: 07/05/2024]
Abstract
Bacteria are emerging as living drugs to treat a broad range of disease indications. However, the inherent advantages of these replicating and immunostimulatory therapies also carry the potential for toxicity. Advances in synthetic biology and the integration of nanomedicine can address this challenge through the engineering of controllable systems that regulate spatial and temporal activation for improved safety and efficacy. Here, we review recent progress in nanobiotechnology-driven engineering of bacteria-based therapies, highlighting limitations and opportunities that will facilitate clinical translation.
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Affiliation(s)
- Jaeseung Hahn
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Suwan Ding
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Jongwon Im
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Tetsuhiro Harimoto
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Kam W. Leong
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
- Department of Systems Biology, Columbia University Medical Center, New York, NY, USA
| | - Tal Danino
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY, USA
- Data Science Institute, Columbia University, New York, NY, USA
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Li XT, Peng SY, Feng SM, Bao TY, Li SZ, Li SY. Recent Progress in Phage-Based Nanoplatforms for Tumor Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307111. [PMID: 37806755 DOI: 10.1002/smll.202307111] [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: 08/18/2023] [Revised: 09/18/2023] [Indexed: 10/10/2023]
Abstract
Nanodrug delivery systems have demonstrated a great potential for tumor therapy with the development of nanotechnology. Nonetheless, traditional drug delivery systems are faced with issues such as complex synthetic procedures, low reproducibility, nonspecific distribution, impenetrability of biological barrier, systemic toxicity, etc. In recent years, phage-based nanoplatforms have attracted increasing attention in tumor treatment for their regular structure, fantastic carrying property, high transduction efficiency and biosafety. Notably, therapeutic or targeting peptides can be expressed on the surface of the phages through phage display technology, enabling the phage vectors to possess multifunctions. As a result, the drug delivery efficiency on tumor will be vastly improved, thereby enhancing the therapeutic efficacy while reducing the side effects on normal tissues. Moreover, phages can overcome the hindrance of biofilm barrier to elicit antitumor effects, which exhibit great advantages compared with traditional synthetic drug delivery systems. Herein, this review not only summarizes the structure and biology of the phages, but also presents their potential as prominent nanoplatforms against tumor in different pathways to inspire the development of effective nanomedicine.
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Affiliation(s)
- Xiao-Tong Li
- Department of Anesthesiology, the Second Clinical School of Guangzhou Medical University, Guangzhou, 511436, P. R. China
| | - Shu-Yi Peng
- Department of Anesthesiology, the Second Clinical School of Guangzhou Medical University, Guangzhou, 511436, P. R. China
| | - Shao-Mei Feng
- Department of Anesthesiology, the Second Clinical School of Guangzhou Medical University, Guangzhou, 511436, P. R. China
| | - Ting-Yu Bao
- Department of Clinical Medicine, the Third Clinical School of Guangzhou Medical University, Guangzhou, 511436, China
| | - Sheng-Zhang Li
- Department of Clinical Medicine, the Second Clinical School of Guangzhou Medical University, Guangzhou, 511436, China
| | - Shi-Ying Li
- Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, P. R. China
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6
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Fadaie M, Dianat-Moghadam H, Ghafouri E, Naderi S, Darvishali MH, Ghovvati M, Khanahmad H, Boshtam M, Makvandi P. Unraveling the potential of M13 phages in biomedicine: Advancing drug nanodelivery and gene therapy. ENVIRONMENTAL RESEARCH 2023; 238:117132. [PMID: 37714365 DOI: 10.1016/j.envres.2023.117132] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 09/17/2023]
Abstract
M13 phages possessing filamentous phage genomes offer the benefits of selective display of molecular moieties and delivery of therapeutic agent payloads with a tolerable safety profile. M13 phage-displayed technology for resembling antigen portions led to the discovery of mimetic epitopes that applied to antibody-based therapy and could be useful in the design of anticancer vaccines. To date, the excremental experiences have engaged the M13 phage in the development of innovative biosensors for detecting biospecies, biomolecules, and human cells with an acceptable limit of detection. Addressing the emergence of antibiotic-resistant bacteria, M13 phages are potent for packaging the programmed gene editing tools, such as CRISPR/Cas, to target multiple antimicrobial genes. Moreover, their display potential in combination with nanoparticles inspires new approaches for engineering targeted theragnostic platforms targeting multiple cellular biomarkers in vivo. In this review, we present the available data on optimizing the use of bacteriophages with a focus on the to date experiences with M13 phages, either as monoagent or as part of combination regimens in the practices of biosensors, vaccines, bactericidal, modeling of specific antigen epitopes, and phage-guided nanoparticles for drug delivery systems. Despite increasing research interest, a deep understanding of the underlying biological and genetic behaviors of M13 phages is needed to enable the full potential of these bioagents in biomedicine, as discussed here. We also discuss some of the challenges that have thus far limited the development and practical marketing of M13 phages.
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Affiliation(s)
- Mahmood Fadaie
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hassan Dianat-Moghadam
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran; Pediatric Inherited Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Elham Ghafouri
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shamsi Naderi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Hossein Darvishali
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahsa Ghovvati
- Department of Radiological Sciences, David Geffen School of Medicine, University of California - Los Angeles, Los Angeles, CA 90095, USA
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Maryam Boshtam
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Pooyan Makvandi
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, 324000, Zhejiang, China.
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7
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Kao CY, Pan YC, Hsiao YH, Lim SK, Cheng TW, Huang SW, Wu SMY, Sun CP, Tao MH, Mou KY. Improvement of Gene Delivery by Minimal Bacteriophage Particles. ACS NANO 2023; 17:14532-14544. [PMID: 37466994 DOI: 10.1021/acsnano.3c01295] [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: 07/20/2023]
Abstract
Direct delivery of therapeutic genes is a promising approach for treating cancers and other diseases. The current human viral vectors, however, suffer from several drawbacks, including poor cell-type specificity and difficult large-scale production. The M13 phage provides an alternative vehicle for gene therapy with engineerable specificity, but the low transduction efficiency seriously limits its translational application. In this work, we discovered important factors of cells and phages that greatly influence the phage transduction. The up-regulation of PrimPol or the down-regulation of DMBT1 in cells significantly enhanced the phage transduction efficiency. Furthermore, we found that the phage transduction efficiency was inversely correlated with the phage size. By carefully reconstructing the phage origin with the gene of interest, we designed "TransPhage" with a minimal length and maximal transduction efficiency. We showed that TransPhage successfully transduced the human cells with an excellent efficiency (up to 95%) comparable to or superior to that of the adeno-associated virus vectors. Moreover, we showed that TransPhage's tropism was specific to the cells that overexpress the target antigen, whereas adeno-associated viruses (AAVs) promiscuously infected many cell types. Using TransPhage as a gene therapy vehicle, we invented an NK-cell-mediated immunotherapy in which a membrane-bound fragment crystallizable region was introduced to cancer cells. We showed in vitro that the cancer cells expressing the membrane-bound fragment crystallizable (Fc) were effectively killed by CD16+ NK cells through an antibody-dependent cell-mediated cytotoxicity (ADCC)-like mechanism. In the xenograft mouse model, the administration of TransPhage carrying the membrane-bound Fc gene greatly suppressed tumor growth.
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Affiliation(s)
- Chia-Yi Kao
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung University and Academia Sinica, Taipei, 11529, Taiwan
| | - Yi-Chung Pan
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Yi-Hsiang Hsiao
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, 11490, Taiwan
| | - See-Khai Lim
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Ting-Wei Cheng
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
- Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Sin-Wei Huang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
- Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, 10051, Taiwan
| | - Shania Meng-Yun Wu
- Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Cheng-Pu Sun
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Mi-Hua Tao
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
- Biomedical Translation Research Center, Academia Sinica, Taipei, 11571, Taiwan
| | - Kurt Yun Mou
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan
- Biomedical Translation Research Center, Academia Sinica, Taipei, 11571, Taiwan
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8
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Al‐Bahrani M, Asavarut P, Waramit S, Suwan K, Hajitou A. Transmorphic phage-guided systemic delivery of TNFα gene for the treatment of human pediatric medulloblastoma. FASEB J 2023; 37:e23038. [PMID: 37331004 PMCID: PMC10947044 DOI: 10.1096/fj.202300045r] [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: 01/10/2023] [Revised: 05/12/2023] [Accepted: 06/05/2023] [Indexed: 06/20/2023]
Abstract
Medulloblastoma is the most common childhood brain tumor with an unfavorable prognosis and limited options of harmful treatments that are associated with devastating long-term side effects. Therefore, the development of safe, noninvasive, and effective therapeutic approaches is required to save the quality of life of young medulloblastoma survivors. We postulated that therapeutic targeting is a solution. Thus, we used a recently designed tumor-targeted bacteriophage (phage)-derived particle, named transmorphic phage/AAV, TPA, to deliver a transgene expressing the tumor necrosis factor-alpha (TNFα) for targeted systemic therapy of medulloblastoma. This vector was engineered to display the double-cyclic RGD4C ligand to selectively target tumors after intravenous administration. Furthermore, the lack of native phage tropism in mammalian cells warrants safe and selective systemic delivery to the tumor microenvironment. In vitro RGD4C.TPA.TNFα treatment of human medulloblastoma cells generated efficient and selective TNFα expression, subsequently triggering cell death. Combination with the chemotherapeutic drug cisplatin used clinically against medulloblastoma resulted in augmented effect through the enhancement of TNFα gene expression. Systemic administration of RGD4C.TPA.TNFα to mice-bearing subcutaneous medulloblastoma xenografts resulted in selective tumor homing of these particles and consequently, targeted tumor expression of TNFα, apoptosis, and destruction of the tumor vasculature. Thus, our RGD4C.TPA.TNFα particle provides selective and efficient systemic delivery of TNFα to medulloblastoma, yielding a potential TNFα anti-medulloblastoma therapy while sparing healthy tissues from the systemic toxicity of this cytokine.
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Affiliation(s)
- Mariam Al‐Bahrani
- Phage Therapy Group, Department of Brain SciencesImperial College LondonLondonUK
- Present address:
Department of Medical Laboratory Sciences, Faculty of Allied Health SciencesKuwait UniversityKuwait CityKuwait
| | - Paladd Asavarut
- Phage Therapy Group, Department of Brain SciencesImperial College LondonLondonUK
| | - Sajee Waramit
- Phage Therapy Group, Department of Brain SciencesImperial College LondonLondonUK
| | - Keittisak Suwan
- Phage Therapy Group, Department of Brain SciencesImperial College LondonLondonUK
| | - Amin Hajitou
- Phage Therapy Group, Department of Brain SciencesImperial College LondonLondonUK
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9
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Bacteriophage-Mediated Cancer Gene Therapy. Int J Mol Sci 2022; 23:ijms232214245. [PMID: 36430720 PMCID: PMC9697857 DOI: 10.3390/ijms232214245] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/12/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Bacteriophages have long been considered only as infectious agents that affect bacterial hosts. However, recent studies provide compelling evidence that these viruses are able to successfully interact with eukaryotic cells at the levels of the binding, entry and expression of their own genes. Currently, bacteriophages are widely used in various areas of biotechnology and medicine, but the most intriguing of them is cancer therapy. There are increasing studies confirming the efficacy and safety of using phage-based vectors as a systemic delivery vehicle of therapeutic genes and drugs in cancer therapy. Engineered bacteriophages, as well as eukaryotic viruses, demonstrate a much greater efficiency of transgene delivery and expression in cancer cells compared to non-viral gene transfer methods. At the same time, phage-based vectors, in contrast to eukaryotic viruses-based vectors, have no natural tropism to mammalian cells and, as a result, provide more selective delivery of therapeutic cargos to target cells. Moreover, numerous data indicate the presence of more complex molecular mechanisms of interaction between bacteriophages and eukaryotic cells, the further study of which is necessary both for the development of gene therapy methods and for understanding the cancer nature. In this review, we summarize the key results of research into aspects of phage-eukaryotic cell interaction and, in particular, the use of phage-based vectors for highly selective and effective systemic cancer gene therapy.
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10
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Tsedev U, Lin CW, Hess GT, Sarkaria JN, Lam FC, Belcher AM. Phage Particles of Controlled Length and Genome for In Vivo Targeted Glioblastoma Imaging and Therapeutic Delivery. ACS NANO 2022; 16:11676-11691. [PMID: 35830573 DOI: 10.1021/acsnano.1c08720] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
M13 bacteriophage (phage) are versatile, genetically tunable nanocarriers that have been recently adapted for use as diagnostic and therapeutic platforms. Applying p3 capsid chlorotoxin fusion with the "inho" circular single-stranded DNA (cssDNA) gene packaging system, we produced miniature chlorotoxin inho (CTX-inho) phage particles with a minimum length of 50 nm that can target intracranial orthotopic patient-derived GBM22 glioblastoma tumors in the brains of mice. Systemically administered indocyanine green conjugated CTX-inho phage accumulated in brain tumors, facilitating shortwave infrared detection. Furthermore, we show that our inho phage can carry cssDNA that are transcriptionally active when delivered to GBM22 glioma cells in vitro. The ability to modulate the capsid display, surface loading, phage length, and cssDNA gene content makes the recombinant M13 phage particle an ideal delivery platform.
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Affiliation(s)
- Uyanga Tsedev
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Ching-Wei Lin
- The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan
| | - Gaelen T Hess
- The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53705, Unites States
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota 55902, United States
| | - Fred C Lam
- The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Division of Neurosurgery, Saint Elizabeth's Medical Center, Brighton, Massachusetts 02135, United States
| | - Angela M Belcher
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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11
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Rao VB, Zhu J. Bacteriophage T4 as a nanovehicle for delivery of genes and therapeutics into human cells. Curr Opin Virol 2022; 55:101255. [PMID: 35952598 DOI: 10.1016/j.coviro.2022.101255] [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: 07/02/2022] [Accepted: 07/09/2022] [Indexed: 11/18/2022]
Abstract
The ability to deliver therapeutic genes and biomolecules into a human cell and restore a defective function has been the holy grail of medicine. Adeno-associated viruses and lentiviruses have been extensively used as delivery vehicles, but their capacity is limited to one (or two) gene(s). Bacteriophages are emerging as novel vehicles for gene therapy. The large 120 × 86-nm T4 capsid allows engineering of both its surface and its interior to incorporate combinations of DNAs, RNAs, proteins, and their complexes. In vitro assembly using purified components allows customization for various applications and for individualized therapies. Its large capacity, cell-targeting capability, safety, and inexpensive manufacturing could open unprecedented new possibilities for gene, cancer, and stem cell therapies. However, efficient entry into primary human cells and intracellular trafficking are significant barriers that must be overcome by gene engineering and evolution in order to translate phage-delivery technology from bench to bedside.
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Affiliation(s)
- Venigalla B Rao
- Bacteriophage Medical Research Center, Department of Biology, The Catholic University of America, Washington, DC 20064, USA.
| | - Jingen Zhu
- Bacteriophage Medical Research Center, Department of Biology, The Catholic University of America, Washington, DC 20064, USA
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12
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bin Umair M, Akusa FN, Kashif H, Seerat-e-Fatima, Butt F, Azhar M, Munir I, Ahmed M, Khalil W, Sharyar H, Rafique S, Shahid M, Afzal S. Viruses as tools in gene therapy, vaccine development, and cancer treatment. Arch Virol 2022; 167:1387-1404. [PMID: 35462594 PMCID: PMC9035288 DOI: 10.1007/s00705-022-05432-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/28/2022] [Indexed: 12/11/2022]
Abstract
Using viruses to our advantage has been a huge leap for humanity. Their ability to mediate horizontal gene transfer has made them useful tools for gene therapy, vaccine development, and cancer treatment. Adenoviruses, adeno-associated viruses, retroviruses, lentiviruses, alphaviruses, and herpesviruses are a few of the most common candidates for use as therapeutic agents or efficient gene delivery systems. Efforts are being made to improve and perfect viral-vector-based therapies to overcome potential or reported drawbacks. Some preclinical trials of viral vector vaccines have yielded positive results, indicating their potential as prophylactic or therapeutic vaccine candidates. Utilization of the oncolytic activity of viruses is the future of cancer therapy, as patients will then be free from the harmful effects of chemo- or radiotherapy. This review discusses in vitro and in vivo studies showing the brilliant therapeutic potential of viruses.
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Affiliation(s)
- Musab bin Umair
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Fujimura Nao Akusa
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Hadia Kashif
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Seerat-e-Fatima
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Fatima Butt
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Marium Azhar
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Iqra Munir
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Muhammad Ahmed
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Wajeeha Khalil
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Hafiz Sharyar
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Shazia Rafique
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Muhammad Shahid
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
| | - Samia Afzal
- Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore, Pakistan
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Fakhiri J, Grimm D. Best of most possible worlds: Hybrid gene therapy vectors based on parvoviruses and heterologous viruses. Mol Ther 2021; 29:3359-3382. [PMID: 33831556 PMCID: PMC8636155 DOI: 10.1016/j.ymthe.2021.04.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 01/12/2021] [Accepted: 03/31/2021] [Indexed: 12/12/2022] Open
Abstract
Parvoviruses and especially the adeno-associated virus (AAV) species provide an exciting and versatile platform for the rational design or molecular evolution of human gene-therapy vectors, documented by literature from over half a century, hundreds of clinical trials, and the recent commercialization of multiple AAV gene therapeutics. For the last three decades, the power of these vectors has been further potentiated through various types of hybrid vectors created by intra- or inter-genus juxtaposition of viral DNA and protein cis elements or by synergistic complementation of parvoviral features with those of heterologous, prokaryotic, or eukaryotic viruses. Here, we provide an overview of the history and promise of this rapidly expanding field of hybrid parvoviral gene-therapy vectors, starting with early generations of chimeric particles composed of a recombinant AAV genome encapsidated in shells of synthetic AAVs or of adeno-, herpes-, baculo-, or protoparvoviruses. We then dedicate our attention to two newer, highly promising types of hybrid vectors created via (1) pseudotyping of AAV genomes with bocaviral serotypes and capsid mutants or (2) packaging of AAV DNA into, or tethering of entire vector particles to, bacteriophages. Finally, we conclude with an outlook summarizing critical requirements and improvements toward clinical translation of these original concepts.
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Affiliation(s)
- Julia Fakhiri
- Department of Infectious Diseases/Virology, Medical Faculty, University of Heidelberg, Heidelberg, Germany; BioQuant, University of Heidelberg, Heidelberg, Germany
| | - Dirk Grimm
- Department of Infectious Diseases/Virology, Medical Faculty, University of Heidelberg, Heidelberg, Germany; BioQuant, University of Heidelberg, Heidelberg, Germany; German Center for Infection Research (DZIF) and German Center for Cardiovascular Research (DZHK), Partner site Heidelberg, Heidelberg, Germany.
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Chongchai A, Waramit S, Wongwichai T, Kampangtip J, Phitak T, Kongtawelert P, Hajitou A, Suwan K, Pothacharoen P. Targeting Human Osteoarthritic Chondrocytes with Ligand Directed Bacteriophage-Based Particles. Viruses 2021; 13:2343. [PMID: 34960616 PMCID: PMC8706358 DOI: 10.3390/v13122343] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/14/2021] [Accepted: 11/19/2021] [Indexed: 01/21/2023] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease characterized by progressive deterioration and loss of articular cartilage. There is currently no treatment to reverse the onset of OA. Thus, we developed a targeted delivery strategy to transfer genes into primary human chondrocytes as a proof-of-concept study. We displayed a chondrocyte-affinity peptide (CAP) on the pIII minor coat protein of the M13 filamentous bacteriophage (phage)-based particle carrying a mammalian transgene cassette under cytomegalovirus CMV promoter and inverted terminal repeats (ITRs) cis elements of adeno-associated virus serotype 2 (AAV-2). Primary human articular chondrocytes (HACs) were used as an in vitro model, and the selectivity and binding properties of the CAP ligand in relation to the pathogenic conditions of HACs were characterized. We found that the CAP ligand is highly selective toward pathogenic HACs. Furthermore, the stability, cytotoxicity, and gene delivery efficacy of the CAP-displaying phage (CAP.Phage) were evaluated. We found that the phage particle is stable under a wide range of temperatures and pH values, while showing no cytotoxicity to HACs. Importantly, the CAP.Phage particle, carrying a secreted luciferase (Lucia) reporter gene, efficiently and selectively delivered transgene expression to HACs. In summary, it was found that the CAP ligand preferably binds to pathogenic chondrocytes, and the CAP.Phage particle successfully targets and delivers transgene to HACs.
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Affiliation(s)
- Aitthiphon Chongchai
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
- Cancer Phagotherapy Group, Department of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Sajee Waramit
- Cancer Phagotherapy Group, Department of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Tunchanok Wongwichai
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Jirawan Kampangtip
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Thanyaluck Phitak
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Prachya Kongtawelert
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Amin Hajitou
- Cancer Phagotherapy Group, Department of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Keittisak Suwan
- Cancer Phagotherapy Group, Department of Brain Sciences, Burlington Danes Building, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK
| | - Peraphan Pothacharoen
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
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Pan X, Veroniaina H, Su N, Sha K, Jiang F, Wu Z, Qi X. Applications and developments of gene therapy drug delivery systems for genetic diseases. Asian J Pharm Sci 2021; 16:687-703. [PMID: 35027949 PMCID: PMC8737406 DOI: 10.1016/j.ajps.2021.05.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 02/15/2021] [Accepted: 05/20/2021] [Indexed: 12/12/2022] Open
Abstract
Genetic diseases seriously threaten human health and have always been one of the refractory conditions facing humanity. Currently, gene therapy drugs such as siRNA, shRNA, antisense oligonucleotide, CRISPR/Cas9 system, plasmid DNA and miRNA have shown great potential in biomedical applications. To avoid the degradation of gene therapy drugs in the body and effectively deliver them to target tissues, cells and organelles, the development of excellent drug delivery vehicles is of utmost importance. Viral vectors are the most widely used delivery vehicles for gene therapy in vivo and in vitro due to their high transfection efficiency and stable transgene expression. With the development of nanotechnology, novel nanocarriers are gradually replacing viral vectors, emerging superior performance. This review mainly illuminates the current widely used gene therapy drugs, summarizes the viral vectors and non-viral vectors that deliver gene therapy drugs, and sums up the application of gene therapy to treat genetic diseases. Additionally, the challenges and opportunities of the field are discussed from the perspective of developing an effective nano-delivery system.
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Affiliation(s)
- Xiuhua Pan
- China Pharmaceutical University, Nanjing 211198, China
| | | | - Nan Su
- China Pharmaceutical University, Nanjing 211198, China
| | - Kang Sha
- China Pharmaceutical University, Nanjing 211198, China
| | - Fenglin Jiang
- China Pharmaceutical University, Nanjing 211198, China
| | - Zhenghong Wu
- China Pharmaceutical University, Nanjing 211198, China
| | - Xiaole Qi
- China Pharmaceutical University, Nanjing 211198, China
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16
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Hennigs JK, Matuszcak C, Trepel M, Körbelin J. Vascular Endothelial Cells: Heterogeneity and Targeting Approaches. Cells 2021; 10:2712. [PMID: 34685692 PMCID: PMC8534745 DOI: 10.3390/cells10102712] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/01/2021] [Accepted: 10/05/2021] [Indexed: 01/18/2023] Open
Abstract
Forming the inner layer of the vascular system, endothelial cells (ECs) facilitate a multitude of crucial physiological processes throughout the body. Vascular ECs enable the vessel wall passage of nutrients and diffusion of oxygen from the blood into adjacent cellular structures. ECs regulate vascular tone and blood coagulation as well as adhesion and transmigration of circulating cells. The multitude of EC functions is reflected by tremendous cellular diversity. Vascular ECs can form extremely tight barriers, thereby restricting the passage of xenobiotics or immune cell invasion, whereas, in other organ systems, the endothelial layer is fenestrated (e.g., glomeruli in the kidney), or discontinuous (e.g., liver sinusoids) and less dense to allow for rapid molecular exchange. ECs not only differ between organs or vascular systems, they also change along the vascular tree and specialized subpopulations of ECs can be found within the capillaries of a single organ. Molecular tools that enable selective vascular targeting are helpful to experimentally dissect the role of distinct EC populations, to improve molecular imaging and pave the way for novel treatment options for vascular diseases. This review provides an overview of endothelial diversity and highlights the most successful methods for selective targeting of distinct EC subpopulations.
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Affiliation(s)
- Jan K. Hennigs
- ENDomics Lab, Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Christiane Matuszcak
- ENDomics Lab, Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Martin Trepel
- Department of Hematology and Medical Oncology, University Medical Center Augsburg, 86156 Augsburg, Germany;
| | - Jakob Körbelin
- ENDomics Lab, Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany;
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17
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Hausig F, Sobotta FH, Richter F, Harz DO, Traeger A, Brendel JC. Correlation between Protonation of Tailor-Made Polypiperazines and Endosomal Escape for Cytosolic Protein Delivery. ACS APPLIED MATERIALS & INTERFACES 2021; 13:35233-35247. [PMID: 34283557 DOI: 10.1021/acsami.1c00829] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Responsive polymers, which become protonated at decreasing pH, are considered a milestone in the development of synthetic cell entry vectors. Exact correlations between their properties and their ability to escape the endosome, however, often remain elusive due to hydrophobic interactions or limitations in the design of water-soluble materials with suitable basicity. Here, we present a series of well-defined, hydrophilic polypiperazines, where systematic variation of the amino moiety facilitates an unprecedented fine-tuning of the basicity or pKa value within the physiologically relevant range (pH 6-7.4). Coincubation of HEK 293T cells with various probes, including small fluorophores or functioning proteins, revealed a rapid increase of endosomal release for polymers with pKa values above 6.5 or 7 in serum-free or serum-containing media, respectively. Similarly, cytotoxic effects became severe at increased pKa values (>7). Although the window for effective transport appears narrow, the discovered correlations offer a principal guideline for the design of effective polymers for endosomal escape.
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Affiliation(s)
- Franziska Hausig
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
| | - Fabian H Sobotta
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
| | - Friederike Richter
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
| | - Dominic O Harz
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
| | - Anja Traeger
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Johannes C Brendel
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
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18
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Staquicini DI, Tang FHF, Markosian C, Yao VJ, Staquicini FI, Dodero-Rojas E, Contessoto VG, Davis D, O'Brien P, Habib N, Smith TL, Bruiners N, Sidman RL, Gennaro ML, Lattime EC, Libutti SK, Whitford PC, Burley SK, Onuchic JN, Arap W, Pasqualini R. Design and proof of concept for targeted phage-based COVID-19 vaccination strategies with a streamlined cold-free supply chain. Proc Natl Acad Sci U S A 2021; 118:e2105739118. [PMID: 34234013 PMCID: PMC8325333 DOI: 10.1073/pnas.2105739118] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Development of effective vaccines against coronavirus disease 2019 (COVID-19) is a global imperative. Rapid immunization of the entire human population against a widespread, continually evolving, and highly pathogenic virus is an unprecedented challenge, and different vaccine approaches are being pursued. Engineered filamentous bacteriophage (phage) particles have unique potential in vaccine development due to their inherent immunogenicity, genetic plasticity, stability, cost-effectiveness for large-scale production, and proven safety profile in humans. Herein we report the development and initial evaluation of two targeted phage-based vaccination approaches against SARS-CoV-2: dual ligand peptide-targeted phage and adeno-associated virus/phage (AAVP) particles. For peptide-targeted phage, we performed structure-guided antigen design to select six solvent-exposed epitopes of the SARS-CoV-2 spike (S) protein. One of these epitopes displayed on the major capsid protein pVIII of phage induced a specific and sustained humoral response when injected in mice. These phage were further engineered to simultaneously display the peptide CAKSMGDIVC on the minor capsid protein pIII to enable their transport from the lung epithelium into the systemic circulation. Aerosolization of these "dual-display" phage into the lungs of mice generated a systemic and specific antibody response. In the second approach, targeted AAVP particles were engineered to deliver the entire S protein gene under the control of a constitutive CMV promoter. This induced tissue-specific transgene expression, stimulating a systemic S protein-specific antibody response in mice. With these proof-of-concept preclinical experiments, we show that both targeted phage- and AAVP-based particles serve as robust yet versatile platforms that can promptly yield COVID-19 vaccine prototypes for translational development.
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Affiliation(s)
- Daniela I Staquicini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Fenny H F Tang
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Christopher Markosian
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Virginia J Yao
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Fernanda I Staquicini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | | | - Vinícius G Contessoto
- Center for Theoretical Biological Physics, Rice University, Houston, TX 77005
- Department of Physics, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054, Brazil
| | - Deodate Davis
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Paul O'Brien
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Nazia Habib
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Tracey L Smith
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Natalie Bruiners
- Public Health Research Institute, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Richard L Sidman
- Department of Neurology, Harvard Medical School, Boston, MA 02115
| | - Maria L Gennaro
- Public Health Research Institute, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Edmund C Lattime
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901
- Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ 08901
| | - Steven K Libutti
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901
- Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ 08901
| | - Paul C Whitford
- Department of Physics and Center for Theoretical Biological Physics, Northeastern University, Boston, MA 02115
| | - Stephen K Burley
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901
- RCSB Protein Data Bank and Institute for Quantitative Biomedicine, Rutgers, The State University of New Jersey, Piscataway, NJ 08854
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ 08854
- RCSB Protein Data Bank, San Diego Supercomputer Center and Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92067
| | - José N Onuchic
- Center for Theoretical Biological Physics, Rice University, Houston, TX 77005;
- Department of Biosciences, Rice University, Houston, TX 77005
- Department of Chemistry, Rice University, Houston, TX 77005
- Department of Physics and Astronomy, Rice University, Houston, TX 77005
| | - Wadih Arap
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101;
- Division of Hematology/Oncology, Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Renata Pasqualini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101;
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
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Lai WH, Fang CY, Chou MC, Lin MC, Shen CH, Chao CN, Jou YC, Chang D, Wang M. Peptide-guided JC polyomavirus-like particles specifically target bladder cancer cells for gene therapy. Sci Rep 2021; 11:11889. [PMID: 34088940 PMCID: PMC8178405 DOI: 10.1038/s41598-021-91328-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 05/25/2021] [Indexed: 12/03/2022] Open
Abstract
The ultimate goal of gene delivery vectors is to establish specific and effective treatments for human diseases. We previously demonstrated that human JC polyomavirus (JCPyV) virus-like particles (VLPs) can package and deliver exogenous DNA into susceptible cells for gene expression. For tissue-specific targeting in this study, JCPyV VLPs were conjugated with a specific peptide for bladder cancer (SPB) that specifically binds to bladder cancer cells. The suicide gene thymidine kinase was packaged and delivered by SPB-conjugated VLPs (VLP-SPBs). Expression of the suicide gene was detected only in human bladder cancer cells and not in lung cancer or neuroblastoma cells susceptible to JCPyV VLP infection in vitro and in vivo, demonstrating the target specificity of VLP-SPBs. The gene transduction efficiency of VLP-SPBs was approximately 100 times greater than that of VLPs without the conjugated peptide. JCPyV VLPs can be specifically guided to target particular cell types when tagged with a ligand molecule that binds to a cell surface marker, thereby improving gene therapy.
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Affiliation(s)
- Wei-Hong Lai
- Department of Urology, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
| | - Chiung-Yao Fang
- Department of Medical Research, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
| | - Ming-Chieh Chou
- Institute of Molecular Biology, National Chung Cheng University, 168, University Rd., Min-Hsiung, Chiayi, 621, Taiwan
| | - Mien-Chun Lin
- Department of Urology, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
| | - Cheng-Huang Shen
- Department of Urology, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
| | - Chun-Nun Chao
- Department of Pediatrics, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
| | - Yeong-Chin Jou
- Department of Urology, Ditmanson Medical Foundation, Chiayi Christian Hospital, Chiayi, Taiwan
| | - Deching Chang
- Institute of Molecular Biology, National Chung Cheng University, 168, University Rd., Min-Hsiung, Chiayi, 621, Taiwan.
| | - Meilin Wang
- Department of Microbiology and Immunology, School of Medicine, Chung-Shan Medical University and Clinical Laboratory, Chung-Shan Medical University Hospital, No. 110, Sec. 1, Jianguo N. Rd., Taichung City, 40201, Taiwan.
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20
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Chongchai A, Waramit S, Suwan K, Al-Bahrani M, Udomruk S, Phitak T, Kongtawelert P, Pothacharoen P, Hajitou A. Bacteriophage-mediated therapy of chondrosarcoma by selective delivery of the tumor necrosis factor alpha (TNFα) gene. FASEB J 2021; 35:e21487. [PMID: 33811705 DOI: 10.1096/fj.202002539r] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/03/2021] [Accepted: 02/15/2021] [Indexed: 12/31/2022]
Abstract
Chondrosarcoma is a cartilage-forming bone tumor, well known for intrinsic resistance to chemotherapy and radiotherapy. We have designed a targeted chondrosarcoma gene therapy using a bacteriophage (phage) particle to deliver therapeutic genes. Phage has no tropism for mammalian cells, allowing engineered phage to be targeted to specific cell surface receptors in cancer. We modified the phage capsid to display the RGD4C ligand on the pIII minor coat proteins to specifically bind to αvβ3 or αvβ5 integrin receptors. The endosomal escape peptide, H5WYG, was also displayed on recombinant pVIII major coat proteins to enhance gene delivery. Finally, a human tumor necrosis factor alpha (TNFα) therapeutic transgene expression cassette was incorporated into the phage genome. First, we found that human chondrosarcoma cells (SW1353) have high expression of αvβ3, αvβ5 integrin receptors, and both TNFα receptors. Targeted particle encoding a luciferase reporter gene efficiently and selectively mediated gene delivery to these cells. When SW1353 cells were treated with the targeted particle encoding a TNFα transgene, significant cell killing was evident and was associated with high expression of TNFα and apoptosis-related genes. In vivo, mice with established human chondrosarcoma showed suppression of tumors upon repetitive intravenous administrations of the targeted phage. These data show that our phage-based particle is a promising, selective, and efficient tool for targeted chondrosarcoma therapy.
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Affiliation(s)
- Aitthiphon Chongchai
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Sajee Waramit
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Keittisak Suwan
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Mariam Al-Bahrani
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Sasimol Udomruk
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Thanyaluck Phitak
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Prachya Kongtawelert
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Peraphan Pothacharoen
- Thailand Excellence Centre for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Amin Hajitou
- Cancer Phage Therapy Group, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
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21
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Wagner HJ, Weber W, Fussenegger M. Synthetic Biology: Emerging Concepts to Design and Advance Adeno-Associated Viral Vectors for Gene Therapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2004018. [PMID: 33977059 PMCID: PMC8097373 DOI: 10.1002/advs.202004018] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/18/2020] [Indexed: 05/28/2023]
Abstract
Three recent approvals and over 100 ongoing clinical trials make adeno-associated virus (AAV)-based vectors the leading gene delivery vehicles in gene therapy. Pharmaceutical companies are investing in this small and nonpathogenic gene shuttle to increase the therapeutic portfolios within the coming years. This prospect of marking a new era in gene therapy has fostered both investigations of the fundamental AAV biology as well as engineering studies to enhance delivery vehicles. Driven by the high clinical potential, a new generation of synthetic-biologically engineered AAV vectors is on the rise. Concepts from synthetic biology enable the control and fine-tuning of vector function at different stages of cellular transduction and gene expression. It is anticipated that the emerging field of synthetic-biologically engineered AAV vectors can shape future gene therapeutic approaches and thus the design of tomorrow's gene delivery vectors. This review describes and discusses the recent trends in capsid and vector genome engineering, with particular emphasis on synthetic-biological approaches.
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Affiliation(s)
- Hanna J. Wagner
- Department of Biosystems Science and EngineeringETH ZurichMattenstrasse 26Basel4058Switzerland
- Faculty of BiologyUniversity of FreiburgSchänzlestraße 1Freiburg79104Germany
- Signalling Research Centres BIOSS and CIBSSUniversity of FreiburgSchänzlestraße 18Freiburg79104Germany
| | - Wilfried Weber
- Faculty of BiologyUniversity of FreiburgSchänzlestraße 1Freiburg79104Germany
- Signalling Research Centres BIOSS and CIBSSUniversity of FreiburgSchänzlestraße 18Freiburg79104Germany
| | - Martin Fussenegger
- Department of Biosystems Science and EngineeringETH ZurichMattenstrasse 26Basel4058Switzerland
- Faculty of ScienceUniversity of BaselKlingelbergstrasse 50Basel4056Switzerland
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22
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Briolay T, Petithomme T, Fouet M, Nguyen-Pham N, Blanquart C, Boisgerault N. Delivery of cancer therapies by synthetic and bio-inspired nanovectors. Mol Cancer 2021; 20:55. [PMID: 33761944 PMCID: PMC7987750 DOI: 10.1186/s12943-021-01346-2] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/05/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND As a complement to the clinical development of new anticancer molecules, innovations in therapeutic vectorization aim at solving issues related to tumor specificity and associated toxicities. Nanomedicine is a rapidly evolving field that offers various solutions to increase clinical efficacy and safety. MAIN: Here are presented the recent advances for different types of nanovectors of chemical and biological nature, to identify the best suited for translational research projects. These nanovectors include different types of chemically engineered nanoparticles that now come in many different flavors of 'smart' drug delivery systems. Alternatives with enhanced biocompatibility and a better adaptability to new types of therapeutic molecules are the cell-derived extracellular vesicles and micro-organism-derived oncolytic viruses, virus-like particles and bacterial minicells. In the first part of the review, we describe their main physical, chemical and biological properties and their potential for personalized modifications. The second part focuses on presenting the recent literature on the use of the different families of nanovectors to deliver anticancer molecules for chemotherapy, radiotherapy, nucleic acid-based therapy, modulation of the tumor microenvironment and immunotherapy. CONCLUSION This review will help the readers to better appreciate the complexity of available nanovectors and to identify the most fitting "type" for efficient and specific delivery of diverse anticancer therapies.
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Affiliation(s)
- Tina Briolay
- Université de Nantes, Inserm, CRCINA, F-44000, Nantes, France
| | | | - Morgane Fouet
- Université de Nantes, Inserm, CRCINA, F-44000, Nantes, France
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23
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Staquicini DI, Tang FHF, Markosian C, Yao VJ, Staquicini FI, Dodero-Rojas E, Contessoto VG, Davis D, O’Brien P, Habib N, Smith TL, Bruiners N, Sidman RL, Gennaro ML, Lattime EC, Libutti SK, Whitford PC, Burley SK, Onuchic JN, Arap W, Pasqualini R. Design and proof-of-concept for targeted phage-based COVID-19 vaccination strategies with a streamlined cold-free supply chain. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021:2021.03.15.435496. [PMID: 33758865 PMCID: PMC7987025 DOI: 10.1101/2021.03.15.435496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Development of effective vaccines against Coronavirus Disease 2019 (COVID-19) is a global imperative. Rapid immunization of the world human population against a widespread, continually evolving, and highly pathogenic virus is an unprecedented challenge, and many different vaccine approaches are being pursued to meet this task. Engineered filamentous bacteriophage (phage) have unique potential in vaccine development due to their inherent immunogenicity, genetic plasticity, stability, cost-effectiveness for large-scale production, and proven safety profile in humans. Herein we report the design, development, and initial evaluation of targeted phage-based vaccination approaches against Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) by using dual ligand peptide-targeted phage and adeno-associated virus/phage (AAVP) particles. Towards a unique phage- and AAVP-based dual-display candidate approach, we first performed structure-guided antigen design to select six solvent-exposed epitopes of the SARS-CoV-2 spike (S) protein for display on the recombinant major capsid coat protein pVIII. Targeted phage particles carrying one of these epitopes induced a strong and specific humoral response. In an initial experimental approach, when these targeted phage particles were further genetically engineered to simultaneously display a ligand peptide (CAKSMGDIVC) on the minor capsid protein pIII, which enables receptor-mediated transport of phage particles from the lung epithelium into the systemic circulation (termed "dual-display"), they enhanced a systemic and specific spike (S) protein-specific antibody response upon aerosolization into the lungs of mice. In a second line of investigation, we engineered targeted AAVP particles to deliver the entire S protein gene under the control of a constitutive cytomegalovirus (CMV) promoter, which induced tissue-specific transgene expression stimulating a systemic S protein-specific antibody response. As proof-of-concept preclinical experiments, we show that targeted phage- and AAVP-based particles serve as robust yet versatile enabling platforms for ligand-directed immunization and promptly yield COVID-19 vaccine prototypes for further translational development. SIGNIFICANCE The ongoing COVID-19 global pandemic has accounted for over 2.5 million deaths and an unprecedented impact on the health of mankind worldwide. Over the past several months, while a few COVID-19 vaccines have received Emergency Use Authorization and are currently being administered to the entire human population, the demand for prompt global immunization has created enormous logistical challenges--including but not limited to supply, access, and distribution--that justify and reinforce the research for additional strategic alternatives. Phage are viruses that only infect bacteria and have been safely administered to humans as antibiotics for decades. As experimental proof-of-concept, we demonstrated that aerosol pulmonary vaccination with lung-targeted phage particles that display short epitopes of the S protein on the capsid as well as preclinical vaccination with targeted AAVP particles carrying the S protein gene elicit a systemic and specific immune response against SARS-CoV-2 in immunocompetent mice. Given that targeted phage- and AAVP-based viral particles are sturdy yet simple to genetically engineer, cost-effective for rapid large-scale production in clinical grade, and relatively stable at room temperature, such unique attributes might perhaps become additional tools towards COVID-19 vaccine design and development for immediate and future unmet needs.
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Affiliation(s)
- Daniela I. Staquicini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Fenny H. F. Tang
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Christopher Markosian
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Virginia J. Yao
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Fernanda I. Staquicini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | | | - Vinícius G. Contessoto
- Center for Theoretical Biological Physics, Rice University, Houston, TX 77005
- Department of Physics, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054, Brazil. Institute, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Deodate Davis
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Paul O’Brien
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Nazia Habib
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Tracey L. Smith
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Natalie Bruiners
- Public Health Research Institute, Rutgers New Jersey Medical School, Newark, NJ 07103
| | | | - Maria L. Gennaro
- Public Health Research Institute, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Edmund C. Lattime
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901
- Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ 08901
| | - Steven K. Libutti
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901
- Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ 08901
| | - Paul C. Whitford
- Department of Physics and Center for Theoretical Biological Physics, Northeastern University, Boston, MA 02115
| | - Stephen K. Burley
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901
- RCSB Protein Data Bank and Institute for Quantitative Biomedicine, Rutgers, The State University of New Jersey, Piscataway, NJ 08854
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ 08854
- RCSB Protein Data Bank, San Diego Supercomputer Center and Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92067
| | - José N. Onuchic
- Center for Theoretical Biological Physics, Rice University, Houston, TX 77005
- Department of Biosciences, Rice University, Houston, TX 77005
- Department of Chemistry, Rice University, Houston, TX 77005
- Department of Physics and Astronomy, Rice University, Houston, TX 77005
| | - Wadih Arap
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Hematology/Oncology, Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103
| | - Renata Pasqualini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07101
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103
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24
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Staquicini DI, Barbu EM, Zemans RL, Dray BK, Staquicini FI, Dogra P, Cardó-Vila M, Miranti CK, Baze WB, Villa LL, Kalil J, Sharma G, Prossnitz ER, Wang Z, Cristini V, Sidman RL, Berman AR, Panettieri RA, Tuder RM, Pasqualini R, Arap W. Targeted Phage Display-based Pulmonary Vaccination in Mice and Non-human Primates. MED 2021; 2:321-342. [PMID: 33870243 PMCID: PMC8049167 DOI: 10.1016/j.medj.2020.10.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND The extensive alveolar capillary network of the lungs is an attractive route for administration of several agents. One key functional attribute is the rapid onset of systemic action due to the absence of first-pass metabolism. METHODS Here we applied a combinatorial approach for ligand-directed pulmonary delivery as a unique route for systemic targeting in vaccination. FINDINGS We screened a phage display random peptide library in vivo to select, identify, and validate a ligand (CAKSMGDIVC) that specifically targets and is internalized through its receptor, α3β1 integrin, on the surface of cells lining the lung airways and alveoli and mediates CAKSMGDIVC-displaying phage binding and systemic delivery without compromising lung homeostasis. As a proof-of-concept, we show that the pulmonary delivery of targeted CAKSMGDIVC-displaying phage particles in mice and non-human primates elicit a systemic and specific humoral response. CONCLUSIONS This broad methodology blueprint represents a robust and versatile platform tool enabling new ligand-receptor discovery with many potential translational applications. FUNDING Cancer Center Support Grants to the University of Texas M.D. Anderson Cancer Center (CA016672), University of New Mexico Comprehensive Cancer Center (CA118100), Rutgers Cancer Institute of New Jersey (CA072720), research awards from the Gillson Longenbaugh Foundation, and National Institutes of Health (NIH) grant no. 1R01CA226537.
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Affiliation(s)
- Daniela I. Staquicini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07103, USA
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
- These authors equally contributed to this work
| | - E. Magda Barbu
- David H. Koch Center, Department of Genitourinary Medical Oncology, The University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA
- These authors equally contributed to this work
| | - Rachel L. Zemans
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI 48109, USA
| | - Beth K. Dray
- Michale E. Keeling Center for Comparative Medicine and Research, Department of Comparative Medicine, The University of Texas M. D. Anderson Cancer Center, Bastrop, TX 78602, USA
- Current address: Charles River Laboratories, Ashland, OH, USA
| | - Fernanda I. Staquicini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07103, USA
- Current address: MBrace Therapeutics, Summit, NJ, USA
| | - Prashant Dogra
- Mathematics in Medicine Program, Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Marina Cardó-Vila
- The University of Arizona Cancer Center, University of Arizona, Tucson, AZ 85724, USA
- Department of Otolaryngology - Head & Neck Surgery, University of Arizona College of Medicine, Tucson, AZ 85724, USA
- Department of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724, USA
| | - Cindy K. Miranti
- The University of Arizona Cancer Center, University of Arizona, Tucson, AZ 85724, USA
- Department of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724, USA
| | - Wallace B. Baze
- Michale E. Keeling Center for Comparative Medicine and Research, Department of Comparative Medicine, The University of Texas M. D. Anderson Cancer Center, Bastrop, TX 78602, USA
| | - Luisa L. Villa
- Cancer Institute of São Paulo, University of São Paulo Medical School, São Paulo, SP 01246, Brazil
- Department of Radiology and Medical Oncology, University of São Paulo Medical School, São Paulo, SP 01246, Brazil
| | - Jorge Kalil
- Laboratory of Immunology, Heart Institute, University of São Paulo Medical School, São Paulo, SP 05403, Brazil
- Division of Clinical Immunology and Allergy, Department of Medicine, University of São Paulo Medical School, São Paulo, SP 05403, Brazil
| | - Geetanjali Sharma
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM 87131, USA
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA
| | - Eric R. Prossnitz
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM 87131, USA
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM 87131, USA
| | - Zhihui Wang
- Mathematics in Medicine Program, Houston Methodist Research Institute, Houston, TX 77030, USA
| | - Vittorio Cristini
- Mathematics in Medicine Program, Houston Methodist Research Institute, Houston, TX 77030, USA
- Department of Imaging Physics, The University of Texas M.D. Anderson Cancer Center, Houston, TX 77230, USA
- Department of Nanomedicine, Methodist Hospital Research Institute, Houston, TX 77030, USA
| | - Richard L. Sidman
- Department of Neurology, Harvard Medical School, Boston, MA 02115, USA
| | - Andrew R. Berman
- Division of Pulmonary, Critical Care Medicine, Allergy & Rheumatology, Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
| | - Reynold A. Panettieri
- Rutgers Institute for Translational Medicine and Science, New Brunswick, NJ 08901, USA
| | - Rubin M. Tuder
- Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Renata Pasqualini
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07103, USA
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
- These authors jointly supervised this work
- Lead contact
| | - Wadih Arap
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07103, USA
- Division of Hematology/Oncology, Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
- These authors jointly supervised this work
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25
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Liu J, Liu C, Yue J. Radiotherapy and the gut microbiome: facts and fiction. Radiat Oncol 2021; 16:9. [PMID: 33436010 PMCID: PMC7805150 DOI: 10.1186/s13014-020-01735-9] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 12/17/2020] [Indexed: 12/12/2022] Open
Abstract
An ever-growing body of evidence has linked the gut microbiome with both the effectiveness and the toxicity of cancer therapies. Radiotherapy is an effective way to treat tumors, although large variations exist among patients in tumor radio-responsiveness and in the incidence and severity of radiotherapy-induced side effects. Relatively little is known about whether and how the microbiome regulates the response to radiotherapy. Gut microbiota may be an important player in modulating “hot” versus “cold” tumor microenvironment, ultimately affecting treatment efficacy. The interaction of the gut microbiome and radiotherapy is a bidirectional function, in that radiotherapy can disrupt the microbiome and those disruptions can influence the effectiveness of the anticancer treatments. Limited data have shown that interactions between the radiation and the microbiome can have positive effects on oncotherapy. On the other hand, exposure to ionizing radiation leads to changes in the gut microbiome that contribute to radiation enteropathy. The gut microbiome can influence radiation-induced gastrointestinal mucositis through two mechanisms including translocation and dysbiosis. We propose that the gut microbiome can be modified to maximize the response to treatment and minimize adverse effects through the use of personalized probiotics, prebiotics, or fecal microbial transplantation. 16S rRNA sequencing is the most commonly used approach to investigate distribution and diversity of gut microbiome between individuals though it only identifies bacteria level other than strain level. The functional gut microbiome can be studied using methods involving metagenomics, metatranscriptomics, metaproteomics, as well as metabolomics. Multiple ‘-omic’ approaches can be applied simultaneously to the same sample to obtain integrated results. That said, challenges and remaining unknowns in the future that persist at this time include the mechanisms by which the gut microbiome affects radiosensitivity, interactions between the gut microbiome and combination treatments, the role of the gut microbiome with regard to predictive and prognostic biomarkers, the need for multi “-omic” approach for in-depth exploration of functional changes and their effects on host-microbiome interactions, and interactions between gut microbiome, microbial metabolites and immune microenvironment.
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Affiliation(s)
- Jing Liu
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, 250117, Shandong, China
| | - Chao Liu
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, 250117, Shandong, China
| | - Jinbo Yue
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, 250117, Shandong, China.
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26
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Wang S, Jin S, Li G, Sun R, Shu Q, Wu S. Decompression Process of Glycerol Shock Treatment Can Overcome Endo-Lysosomal Barriers for Intracellular Delivery. ACS OMEGA 2020; 5:33133-33139. [PMID: 33403275 PMCID: PMC7774252 DOI: 10.1021/acsomega.0c04771] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 10/28/2020] [Indexed: 06/12/2023]
Abstract
The glycerol shock treatment has been used to improve the calcium phosphate transfection efficacy for several decades because of its high effectiveness and low toxicity. However, the mechanism of glycerol shock treatment is still obscure. In this study, the endo-lysosomal leakage assay demonstrated that the decompression process of glycerol shock treatment could enhance endo-lysosomal membrane permeabilization, which resulted in facilitating endo-lysosomal escape for effective intracellular delivery. The enhanced decompression treatment derived from glycerol shock treatment could increase the change of osmotic pressure further, which showed higher efficacy for intracellular delivery. Herein, we speculated that the endo-lysosomal swelling originated from the decompression process of glycerol shock treatment could cause endo-lysosomal damage.
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Affiliation(s)
- Shupeng Wang
- School
of Material Science and Engineering, Beijing
Institute of Technology, Beijing 100081, China
- The
Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen 518001, China
| | - Shaohua Jin
- School
of Material Science and Engineering, Beijing
Institute of Technology, Beijing 100081, China
| | - Guangzhi Li
- The
Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen 518001, China
| | - Rui Sun
- The
Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen 518001, China
| | - Qinghai Shu
- School
of Material Science and Engineering, Beijing
Institute of Technology, Beijing 100081, China
| | - Song Wu
- The
Affiliated Luohu Hospital of Shenzhen University, Shenzhen University, Shenzhen 518001, China
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27
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Bodner K, Melkonian AL, Covert MW. The Enemy of My Enemy: New Insights Regarding Bacteriophage-Mammalian Cell Interactions. Trends Microbiol 2020; 29:528-541. [PMID: 33243546 DOI: 10.1016/j.tim.2020.10.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/19/2020] [Accepted: 10/29/2020] [Indexed: 12/22/2022]
Abstract
Bacteriophages (phages) are the most abundant biological entity in the human body, but until recently the role that phages play in human health was not well characterized. Although phages do not cause infections in human cells, phages can alter the severity of bacterial infections by the dissemination of virulence factors amongst bacterial hosts. Recent studies, made possible with advances in genome engineering and microscopy, have uncovered a novel role for phages in the human body - the ability to modulate the physiology of the mammalian cells that can harbor intracellular bacteria. In this review, we synthesize key results on how phages traverse through mammalian cells - including uptake, distribution, and interaction with intracellular receptors - highlighting how these steps in turn influence host cell killing of bacteria. We discuss the implications of the growing field of phage-mammalian cell interactions for phage therapy.
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Affiliation(s)
- Katie Bodner
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA
| | - Arin L Melkonian
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA
| | - Markus W Covert
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA.
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28
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Tsafa E, Bentayebi K, Topanurak S, Yata T, Przystal J, Fongmoon D, Hajji N, Waramit S, Suwan K, Hajitou A. Doxorubicin Improves Cancer Cell Targeting by Filamentous Phage Gene Delivery Vectors. Int J Mol Sci 2020; 21:E7867. [PMID: 33114050 PMCID: PMC7660303 DOI: 10.3390/ijms21217867] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/18/2020] [Accepted: 10/19/2020] [Indexed: 12/14/2022] Open
Abstract
Merging targeted systemic gene delivery and systemic chemotherapy against cancer, chemovirotherapy, has the potential to improve chemotherapy and gene therapy treatments and overcome cancer resistance. We introduced a bacteriophage (phage) vector, named human adeno-associated virus (AAV)/phage or AAVP, for the systemic targeting of therapeutic genes to cancer. The vector was designed as a hybrid between a recombinant adeno-associated virus genome (rAAV) and a filamentous phage capsid. To achieve tumor targeting, we displayed on the phage capsid the double-cyclic CDCRGDCFC (RGD4C) ligand that binds the alpha-V/beta-3 (αvβ3) integrin receptor. Here, we investigated a combination of doxorubicin chemotherapeutic drug and targeted gene delivery by the RGD4C/AAVP vector. Firstly, we showed that doxorubicin boosts transgene expression from the RGD4C/AAVP in two-dimensional (2D) cell cultures and three-dimensional (3D) tumor spheres established from human and murine cancer cells, while preserving selective gene delivery by RGD4C/AAVP. Next, we confirmed that doxorubicin does not increase vector attachment to cancer cells nor vector cell entry. In contrast, doxorubicin may alter the intracellular trafficking of the vector by facilitating nuclear accumulation of the RGD4C/AAVP genome through destabilization of the nuclear membrane. Finally, a combination of doxorubicin and RGD4C/AAVP-targeted suicide gene therapy exerts a synergistic effect to destroy human and murine tumor cells in 2D and 3D tumor sphere settings.
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Affiliation(s)
- Effrosyni Tsafa
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK; (E.T.); (K.B.); (T.Y.); (J.P.); (S.W.)
| | - Kaoutar Bentayebi
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK; (E.T.); (K.B.); (T.Y.); (J.P.); (S.W.)
| | - Supachai Topanurak
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand;
| | - Teerapong Yata
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK; (E.T.); (K.B.); (T.Y.); (J.P.); (S.W.)
| | - Justyna Przystal
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK; (E.T.); (K.B.); (T.Y.); (J.P.); (S.W.)
| | - Duriya Fongmoon
- Department of Medical Services, Lampang Cancer Hospital, Ministry of Public Health, Lampang 52000, Thailand;
| | - Nabil Hajji
- John Fulcher Neuro-Oncology Laboratory, Department of Brain Sciences, Imperial College London, London W12 0NN, UK;
| | - Sajee Waramit
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK; (E.T.); (K.B.); (T.Y.); (J.P.); (S.W.)
| | - Keittisak Suwan
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK; (E.T.); (K.B.); (T.Y.); (J.P.); (S.W.)
| | - Amin Hajitou
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK; (E.T.); (K.B.); (T.Y.); (J.P.); (S.W.)
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29
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Journey to the Center of the Cell: Tracing the Path of AAV Transduction. Trends Mol Med 2020; 27:172-184. [PMID: 33071047 DOI: 10.1016/j.molmed.2020.09.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 09/13/2020] [Accepted: 09/15/2020] [Indexed: 02/08/2023]
Abstract
As adeno-associated virus (AAV)-based gene therapies are being increasingly approved for use in humans, it is important that we understand vector-host interactions in detail. With the advances in genome-wide genetic screening tools, a clear picture of AAV-host interactions is beginning to emerge. Understanding these interactions can provide insights into the viral life cycle. Accordingly, novel strategies to circumvent the current limitations of AAV-based vectors may be explored. Here, we summarize our current understanding of the various stages in the journey of the vector from the cell surface to the nucleus and contextualize the roles of recently identified host factors.
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In Vitro Assays: Friends or Foes of Cell-Penetrating Peptides. Int J Mol Sci 2020; 21:ijms21134719. [PMID: 32630650 PMCID: PMC7369778 DOI: 10.3390/ijms21134719] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 06/24/2020] [Accepted: 07/01/2020] [Indexed: 12/20/2022] Open
Abstract
The cell membrane is a complex and highly regulated system that is composed of lipid bilayer and proteins. One of the main functions of the cell membrane is the regulation of cell entry. Cell-penetrating peptides (CPPs) are defined as peptides that can cross the plasma membrane and deliver their cargo inside the cell. The uptake of a peptide is determined by its sequence and biophysicochemical properties. At the same time, the uptake mechanism and efficiency are shown to be dependent on local peptide concentration, cell membrane lipid composition, characteristics of the cargo, and experimental methodology, suggesting that a highly efficient CPP in one system might not be as productive in another. To better understand the dependence of CPPs on the experimental system, we present a review of the in vitro assays that have been employed in the literature to evaluate CPPs and CPP-cargos. Our comprehensive review suggests that utilization of orthogonal assays will be more effective for deciphering the true ability of CPPs to translocate through the membrane and enter the cell cytoplasm.
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Yang Zhou J, Suwan K, Hajitou A. Initial Steps for the Development of a Phage-Mediated Gene Replacement Therapy Using CRISPR-Cas9 Technology. J Clin Med 2020; 9:E1498. [PMID: 32429407 PMCID: PMC7290871 DOI: 10.3390/jcm9051498] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/04/2020] [Accepted: 05/14/2020] [Indexed: 12/26/2022] Open
Abstract
p53 gene (TP53) replacement therapy has shown promising results in cancer gene therapy. However, it has been hampered, mostly because of the gene delivery vector of choice. CRISPR-Cas9 technology (clustered regularly interspaced short palindromic repeats/CRISPR-associated protein 9) can knock out the mutated TP53 (mutTP53), but due to its large size, many viral vectors are not suitable or require implemented strategies that lower the therapeutic efficiency. Here, we introduced a bacteriophage or phage-based vector with the ability to target cancer cells and aimed to investigate the feasibility of using this vector to deliver CRISPR-Cas9 transgene in human lung adenocarcinoma cells. First, we produced a tumour-targeted bacteriophage carrying a CRISPR-Cas9 transgene cassette. Next, we investigated any negative impact on vector titers via quantitative polymerase chain reaction (qPCR) and colony-forming agar plate. Last, we combined Western blot analysis and immunofluorescence staining to prove cell transduction in vitro. We showed that the tumour-targeted bacteriophage can package a large-size vector genome, ~10 kb, containing the CRISPR-Cas9 sequence without any negative impact on the active or total number of bacteriophage particles. Then, we detected expression of the Cas9 in human lung adenocarcinoma cells in a targeted and efficient manner. Finally, we proved loss of p53 protein expression when a p53 gRNA was incorporated into the CRISPR-Cas9 phage DNA construct. These proof-of-concept findings support the use of engineered bacteriophage for TP53 replacement therapy in lung cancer.
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Affiliation(s)
| | - Keittisak Suwan
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK;
| | - Amin Hajitou
- Phage Therapy Group, Department of Brain Sciences, Imperial College London, London W12 0NN, UK;
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Affiliation(s)
- João Alves-Cruzeiro
- Sheffield Institute for Translational Neuroscience, University of Sheffield, S10 2HQ Sheffield, United Kingdom
| | - Christopher P Webster
- Sheffield Institute for Translational Neuroscience, University of Sheffield, S10 2HQ Sheffield, United Kingdom
| | - Mimoun Azzouz
- Sheffield Institute for Translational Neuroscience, University of Sheffield, S10 2HQ Sheffield, United Kingdom
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