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Zhao Z, Chung YH, Steinmetz NF. Melanoma immunotherapy enabled by M2 macrophage targeted immunomodulatory cowpea mosaic virus. MATERIALS ADVANCES 2024; 5:1473-1479. [PMID: 38380336 PMCID: PMC10876082 DOI: 10.1039/d3ma00820g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 01/17/2024] [Indexed: 02/22/2024]
Abstract
We have developed nanoparticle formulations targeting M2 macrophages for cancer immunotherapy by conjugating high-affinity binding peptides to cowpea mosaic virus as an immunostimulatory adjuvant. We confirmed the targeting of and uptake by M2 macrophages in vitro and the therapeutic efficacy of the nanoparticles against murine melanoma in vivo.
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Affiliation(s)
- Zhongchao Zhao
- Department of NanoEngineering, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Center for Nano-ImmunoEngineering, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Moores Cancer Center, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
| | - Young Hun Chung
- Moores Cancer Center, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Department of Bioengineering, University of California, San Diego 9500 Gilman Dr, La Jolla CA 92093 USA
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Center for Nano-ImmunoEngineering, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Moores Cancer Center, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Department of Bioengineering, University of California, San Diego 9500 Gilman Dr, La Jolla CA 92093 USA
- Department of Radiology, University of California, San Diego 9500 Gilman Dr, La Jolla CA 92093 USA
- Institute for Materials Discovery and Design, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Center for Engineering in Cancer, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
- Shu and K.C. Chien and Peter Farrell Collaboratory, University of California 9500 Gilman Dr, La Jolla San Diego CA 92093 USA
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2
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Karan S, Jung E, Boone C, Steinmetz NF. Synergistic combination therapy using cowpea mosaic virus intratumoral immunotherapy and Lag-3 checkpoint blockade. Cancer Immunol Immunother 2024; 73:51. [PMID: 38349406 PMCID: PMC10864561 DOI: 10.1007/s00262-024-03636-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/15/2024] [Indexed: 02/15/2024]
Abstract
Immune checkpoint therapy (ICT) for cancer can yield dramatic clinical responses; however, these may only be observed in a minority of patients. These responses can be further limited by subsequent disease recurrence and resistance. Combination immunotherapy strategies are being developed to overcome these limitations. We have previously reported enhanced efficacy of combined intratumoral cowpea mosaic virus immunotherapy (CPMV IIT) and ICT approaches. Lymphocyte-activation gene-3 (LAG-3) is a next-generation inhibitory immune checkpoint with broad expression across multiple immune cell subsets. Its expression increases on activated T cells and contributes to T cell exhaustion. We observed heightened efficacy of a combined CPMV IIT and anti-LAG-3 treatment in a mouse model of melanoma. Further, LAG-3 expression was found to be increased within the TME following intratumoral CPMV administration. The integration of CPMV IIT with LAG-3 inhibition holds significant potential to improve treatment outcomes by concurrently inducing a comprehensive anti-tumor immune response, enhancing local immune activation, and mitigating T cell exhaustion.
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Affiliation(s)
- Sweta Karan
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, USA
| | - Eunkyeong Jung
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, USA
| | - Christine Boone
- Department of Radiology, University of California, San Diego, La Jolla, CA, USA.
| | - Nicole F Steinmetz
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, USA.
- Department of Radiology, University of California, San Diego, La Jolla, CA, USA.
- Shu and K.C. Chien and Peter Farrell Collaboratory, University of California, San Diego, La Jolla, CA, USA.
- Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, CA, USA.
- Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA.
- Department of Bioengineering, University of California, San Diego, La Jolla, CA, USA.
- Institute for Materials Discovery and Design, University of California, San Diego, La Jolla, CA, USA.
- Center for Engineering in Cancer, Institute of Engineering Medicine, University of California, San Diego, La Jolla, CA, USA.
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3
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Kumar D, Pal RR, Das N, Roy P, Saraf SA, Bayram S, Kundu PP. Synthesis of flaxseed gum/melanin-based scaffold: A novel approach for nano-encapsulation of doxorubicin with enhanced anticancer activity. Int J Biol Macromol 2024; 256:127964. [PMID: 37951423 DOI: 10.1016/j.ijbiomac.2023.127964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/14/2023]
Abstract
Doxorubicin is a powerful chemotherapy medicine that is frequently used to treat cancer, but because of its extremely destructive side effects on other healthy cells, its applications have been severely constrained. With the aim of using lower therapeutic doses of doxorubicin while maintaining the same anti-cancerous activity as those of higher doses, the present study designs nano-encapsulation of doxorubicin by acrylamide grafted melanin as core and acrylic acid grafted flax seed gum as shell (DOX@AAM-g-ML/AA-g-FSG-NPs) for studies in-vivo and in-vitro anticancer activity. For biological studies, the cytotoxicity of DOX@AAM-g-ML/AA-g-FSG-NPs was examined on a cancerous human cell line (HCT-15) and it was observed that DOX@AAM-g-ML/AA-g-FSG-NPs exhibited very high toxicity towards HCT-15. In-vivo investigation in colon cancer-inflicted rat model also showed that DOX@AAM-g-ML/AA-g-FSG-NPs showed better anticancer activity against cancerous cells as compared to free doxorubicin. The drug release behavior of DOX@GML-GFS-NPs was studied at several pH and maximum drug release (95 %) was recorded at pH -7.2, and kinetic data of drug release was follows the Higuchi (R2 = 0.9706) kinetic model. Our study is focussed on reducing the side effects of doxorubicin by its nano-encapsulation in acrylamide grafted melanin as core and acrylic acid grafted flax seed gum that will also enhance its efficiency.
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Affiliation(s)
- Deepak Kumar
- Department of Chemistry, Constituent Government College Richha, Baheri, MJP Rohilkhand University Bareilly (UP), Baheri 243006, India
| | - Ravi Raj Pal
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, U.P. 226025, India
| | - Neeladri Das
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, India
| | - Partha Roy
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, India
| | - Shubhini A Saraf
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, U.P. 226025, India
| | - Sinan Bayram
- Department of Medical Services and Techniques, Vocational School of Health Services, Bayburt University, 69000, Bayburt, Turkey.
| | - Patit P Kundu
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, India.
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4
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Shen L, Zhou P, Wang YM, Zhu Z, Yuan Q, Cao S, Li J. Supramolecular nanoparticles based on elastin-like peptides modified capsid protein as drug delivery platform with enhanced cancer chemotherapy efficacy. Int J Biol Macromol 2024; 256:128107. [PMID: 38007030 DOI: 10.1016/j.ijbiomac.2023.128107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/11/2023] [Accepted: 11/13/2023] [Indexed: 11/27/2023]
Abstract
Cancer, a prevalent disease posing significant threats to human health and longevity, necessitates effective therapeutic interventions. Chemotherapy has emerged as a primary strategy following surgical procedures for combating most malignancies. Despite the considerable efficacy of conventional chemotherapeutic agents against cancer cells, their utility is hindered by profound challenges such as multidrug resistance and deleterious toxic side effects, thereby limiting their systemic application. To tackle these challenges, we have devised a promising nanomedicine platform based on a plant virus. Specifically, we have selected the cowpea melanoma mottled virus (CCMV) as our nano-delivery system owing to its monodisperse and homogeneous size, as well as its intrinsic ability for controlled self-assembly. Leveraging the potential of this platform, we have engineered CCMV-based nanoparticles functionalized with elastin-like peptides (ELPs) at their N-terminal region. The target protein, CP-ELP, was expressed via E.coli, enabling encapsulation of the model drug DOX upon structural domain modification of the protein. The resulting nanoparticles exhibit uniform size distribution, facilitating efficient internalization by tumor cells and subsequent intracellular drug release, leading to enhanced antitumor efficacy. In addition, EVLP@DOX nanoparticles were found to activate immune response of tumor microenvironment in vivo, which further inhibiting tumor growth. Our designed nanoparticles have also demonstrated remarkable therapeutic effectiveness and favorable biological safety profiles in both murine melanoma and colorectal cancer models.
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Affiliation(s)
- Luxuan Shen
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology & Med-X Center for Materials, Sichuan University, Chengdu 610041, Sichuan, China; College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Pei Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yue Min Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Zhixiong Zhu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Quan Yuan
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology & Med-X Center for Materials, Sichuan University, Chengdu 610041, Sichuan, China
| | - Shuqin Cao
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology & Med-X Center for Materials, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Jianshu Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology & Med-X Center for Materials, Sichuan University, Chengdu 610041, Sichuan, China; College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
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5
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Zahmanova G, Aljabali AAA, Takova K, Minkov G, Tambuwala MM, Minkov I, Lomonossoff GP. Green Biologics: Harnessing the Power of Plants to Produce Pharmaceuticals. Int J Mol Sci 2023; 24:17575. [PMID: 38139405 PMCID: PMC10743837 DOI: 10.3390/ijms242417575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/11/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
Plants are increasingly used for the production of high-quality biological molecules for use as pharmaceuticals and biomaterials in industry. Plants have proved that they can produce life-saving therapeutic proteins (Elelyso™-Gaucher's disease treatment, ZMapp™-anti-Ebola monoclonal antibodies, seasonal flu vaccine, Covifenz™-SARS-CoV-2 virus-like particle vaccine); however, some of these therapeutic proteins are difficult to bring to market, which leads to serious difficulties for the manufacturing companies. The closure of one of the leading companies in the sector (the Canadian biotech company Medicago Inc., producer of Covifenz) as a result of the withdrawal of investments from the parent company has led to the serious question: What is hindering the exploitation of plant-made biologics to improve health outcomes? Exploring the vast potential of plants as biological factories, this review provides an updated perspective on plant-derived biologics (PDB). A key focus is placed on the advancements in plant-based expression systems and highlighting cutting-edge technologies that streamline the production of complex protein-based biologics. The versatility of plant-derived biologics across diverse fields, such as human and animal health, industry, and agriculture, is emphasized. This review also meticulously examines regulatory considerations specific to plant-derived biologics, shedding light on the disparities faced compared to biologics produced in other systems.
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Affiliation(s)
- Gergana Zahmanova
- Department of Plant Physiology and Molecular Biology, University of Plovdiv, 4000 Plovdiv, Bulgaria; (K.T.)
- Center of Plant Systems Biology and Biotechnology, 4000 Plovdiv, Bulgaria
| | - Alaa A. A. Aljabali
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan;
| | - Katerina Takova
- Department of Plant Physiology and Molecular Biology, University of Plovdiv, 4000 Plovdiv, Bulgaria; (K.T.)
| | - George Minkov
- Department of Plant Physiology and Molecular Biology, University of Plovdiv, 4000 Plovdiv, Bulgaria; (K.T.)
| | - Murtaza M. Tambuwala
- Lincoln Medical School, University of Lincoln, Brayford Pool Campus, Lincoln LN6 7TS, UK;
| | - Ivan Minkov
- Center of Plant Systems Biology and Biotechnology, 4000 Plovdiv, Bulgaria
- Institute of Molecular Biology and Biotechnologies, 4108 Markovo, Bulgaria
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Valdivia G, Alonso-Miguel D, Perez-Alenza MD, Zimmermann ABE, Schaafsma E, Kolling FW, Barreno L, Alonso-Diez A, Beiss V, Affonso de Oliveira JF, Suárez-Redondo M, Fiering S, Steinmetz NF, vom Berg J, Peña L, Arias-Pulido H. Neoadjuvant Intratumoral Immunotherapy with Cowpea Mosaic Virus Induces Local and Systemic Antitumor Efficacy in Canine Mammary Cancer Patients. Cells 2023; 12:2241. [PMID: 37759464 PMCID: PMC10527658 DOI: 10.3390/cells12182241] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/04/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
The lack of optimal models to evaluate novel agents is delaying the development of effective immunotherapies against human breast cancer (BC). In this prospective open label study, we applied neoadjuvant intratumoral immunotherapy with empty cowpea mosaic virus-like particles (eCPMV) to 11 companion dogs diagnosed with canine mammary cancer (CMC), a spontaneous tumor resembling human BC. We found that two neoadjuvant intratumoral eCPMV injections resulted in tumor reduction in injected tumors in all patients and in noninjected tumors located in the ipsilateral and contralateral mammary chains of injected dogs. Tumor reduction was independent of clinical stage, tumor size, histopathologic grade, and tumor molecular subtype. RNA-seq-based analysis of injected tumors indicated a decrease in DNA replication activity and an increase in activated dendritic cell infiltration in the tumor microenvironment. Immunohistochemistry analysis demonstrated significant intratumoral increases in neutrophils, T and B lymphocytes, and plasma cells. eCPMV intratumoral immunotherapy demonstrated antitumor efficacy without any adverse effects. This novel immunotherapy has the potential for improving outcomes for human BC patients.
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Affiliation(s)
- Guillermo Valdivia
- Department of Animal Medicine, Surgery and Pathology, Mammary Oncology Unit, Veterinary Teaching Hospital, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain; (G.V.); (D.A.-M.); (M.D.P.-A.); (L.B.); (A.A.-D.); (M.S.-R.); (L.P.)
| | - Daniel Alonso-Miguel
- Department of Animal Medicine, Surgery and Pathology, Mammary Oncology Unit, Veterinary Teaching Hospital, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain; (G.V.); (D.A.-M.); (M.D.P.-A.); (L.B.); (A.A.-D.); (M.S.-R.); (L.P.)
| | - Maria Dolores Perez-Alenza
- Department of Animal Medicine, Surgery and Pathology, Mammary Oncology Unit, Veterinary Teaching Hospital, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain; (G.V.); (D.A.-M.); (M.D.P.-A.); (L.B.); (A.A.-D.); (M.S.-R.); (L.P.)
| | | | | | - Fred W. Kolling
- Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA (S.F.)
| | - Lucia Barreno
- Department of Animal Medicine, Surgery and Pathology, Mammary Oncology Unit, Veterinary Teaching Hospital, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain; (G.V.); (D.A.-M.); (M.D.P.-A.); (L.B.); (A.A.-D.); (M.S.-R.); (L.P.)
| | - Angela Alonso-Diez
- Department of Animal Medicine, Surgery and Pathology, Mammary Oncology Unit, Veterinary Teaching Hospital, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain; (G.V.); (D.A.-M.); (M.D.P.-A.); (L.B.); (A.A.-D.); (M.S.-R.); (L.P.)
| | - Veronique Beiss
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA; (V.B.); (J.F.A.d.O.); (N.F.S.)
| | | | - María Suárez-Redondo
- Department of Animal Medicine, Surgery and Pathology, Mammary Oncology Unit, Veterinary Teaching Hospital, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain; (G.V.); (D.A.-M.); (M.D.P.-A.); (L.B.); (A.A.-D.); (M.S.-R.); (L.P.)
| | - Steven Fiering
- Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA (S.F.)
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Nicole F. Steinmetz
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA; (V.B.); (J.F.A.d.O.); (N.F.S.)
- Department of Radiology, University of California San Diego, La Jolla, CA 92093, USA
- Department of Bioengineering, University of California San Diego, La Jolla, CA 92039, USA
- Moores Cancer Center, University of California San Diego, La Jolla, CA 92039, USA
- Center for Nano Immuno-Engineering, University of California San Diego, La Jolla, CA 92039, USA
- Institute for Materials Discovery and Design, University of California San Diego, La Jolla, CA 92039, USA
- Center for Engineering in Cancer, Institute for Engineering in Medicine, University of California San Diego, La Jolla, CA 92039, USA
| | - Johannes vom Berg
- Institute of Laboratory Animal Science, University of Zurich, 8952 Schlieren, Switzerland; (A.B.E.Z.); (J.v.B.)
| | - Laura Peña
- Department of Animal Medicine, Surgery and Pathology, Mammary Oncology Unit, Veterinary Teaching Hospital, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain; (G.V.); (D.A.-M.); (M.D.P.-A.); (L.B.); (A.A.-D.); (M.S.-R.); (L.P.)
| | - Hugo Arias-Pulido
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
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Nikitin N, Vasiliev Y, Kovalenko A, Ryabchevskaya E, Kondakova O, Evtushenko E, Karpova O. Plant Viruses as Adjuvants for Next-Generation Vaccines and Immunotherapy. Vaccines (Basel) 2023; 11:1372. [PMID: 37631940 PMCID: PMC10458565 DOI: 10.3390/vaccines11081372] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/29/2023] Open
Abstract
Vaccines are the cornerstone of infectious disease control and prevention. The outbreak of SARS-CoV-2 has confirmed the urgent need for a new approach to the design of novel vaccines. Plant viruses and their derivatives are being used increasingly for the development of new medical and biotechnological applications, and this is reflected in a number of preclinical and clinical studies. Plant viruses have a unique combination of features (biosafety, low reactogenicity, inexpensiveness and ease of production, etc.), which determine their potential. This review presents the latest data on the use of plant viruses with different types of symmetry as vaccine components and adjuvants in cancer immunotherapy. The discussion concludes that the most promising approaches might be those that use structurally modified plant viruses (spherical particles) obtained from the Tobacco mosaic virus. These particles combine high adsorption properties (as a carrier) with strong immunogenicity, as has been confirmed using various antigens in animal models. According to current research, it is evident that plant viruses have great potential for application in the development of vaccines and in cancer immunotherapy.
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Affiliation(s)
- Nikolai Nikitin
- Department of Virology, Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia
| | | | - Angelina Kovalenko
- Department of Virology, Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia
| | - Ekaterina Ryabchevskaya
- Department of Virology, Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia
| | - Olga Kondakova
- Department of Virology, Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia
| | - Ekaterina Evtushenko
- Department of Virology, Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia
| | - Olga Karpova
- Department of Virology, Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia
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8
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Jung E, Chung YH, Mao C, Fiering SN, Steinmetz NF. The Potency of Cowpea Mosaic Virus Particles for Cancer In Situ Vaccination Is Unaffected by the Specific Encapsidated Viral RNA. Mol Pharm 2023; 20:3589-3597. [PMID: 37294891 PMCID: PMC10530639 DOI: 10.1021/acs.molpharmaceut.3c00214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Plant virus nanoparticles can be used as drug carriers, imaging reagents, vaccine carriers, and immune adjuvants in the formulation of intratumoral in situ cancer vaccines. One example is the cowpea mosaic virus (CPMV), a nonenveloped virus with a bipartite positive-strand RNA genome with each RNA packaged separately into identical protein capsids. Based on differences in their densities, the components carrying RNA-1 (6 kb) denoted as the bottom (B) component or carrying RNA-2 (3.5 kb) denoted as the middle (M) component can be separated from each other and from a top (T) component, which is devoid of any RNA. Previous preclinical mouse studies and canine cancer trials used mixed populations of CPMV (containing B, M, and T components), so it is unclear whether the particle types differ in their efficacies. It is known that the CPMV RNA genome contributes to immunostimulation by activation of TLR7. To determine whether the two RNA genomes that have different sizes and unrelated sequences cause different immune stimulation, we compared the therapeutic efficacies of B and M components and unfractionated CPMV in vitro and in mouse cancer models. We found that separated B and M particles behaved similarly to the mixed CPMV, activating innate immune cells to induce the secretion of pro-inflammatory cytokines such as IFNα, IFNγ, IL-6, and IL-12, while inhibiting immunosuppressive cytokines such as TGF-β and IL-10. In murine models of melanoma and colon cancer, the mixed and separated CPMV particles all significantly reduced tumor growth and prolonged survival with no significant difference. This shows that the specific RNA genomes similarly stimulate the immune system even though B particles have 40% more RNA than M particles; each CPMV particle type can be used as an effective adjuvant against cancer with the same efficacy as native mixed CPMV. From a translational point of view, the use of either B or M component vs the mixed CPMV formulation offers the advantage that separated B or M alone is noninfectious toward plants and thus provides agronomic safety.
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Affiliation(s)
- Eunkyeong Jung
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | - Young Hun Chung
- Department of Bioengineering, University of California San Diego, La Jolla, California 92093, United States
- Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States
| | - Chenkai Mao
- Department of Microbiology and Immunology, Dartmouth Geisel School of Medicine, Hanover, New Hampshire 03755, United States
| | - Steven N Fiering
- Department of Microbiology and Immunology, Dartmouth Geisel School of Medicine, Hanover, New Hampshire 03755, United States
- Dartmouth Cancer Center, Dartmouth Geisel School of Medicine, Hanover, New Hampshire 03755, United States
| | - Nicole F Steinmetz
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
- Department of Bioengineering, University of California San Diego, La Jolla, California 92093, United States
- Department of Radiology, University of California San Diego, La Jolla, California 92093, United States
- Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States
- Center for Nano-ImmunoEngineering, University of California San Diego, La Jolla, California 92093, United States
- Institute for Materials Design and Discovery, University of California San Diego, La Jolla, California 92093, United States
- Center for Engineering in Cancer, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, United States
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9
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The Plant Viruses and Molecular Farming: How Beneficial They Might Be for Human and Animal Health? Int J Mol Sci 2023; 24:ijms24021533. [PMID: 36675043 PMCID: PMC9863966 DOI: 10.3390/ijms24021533] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/15/2023] Open
Abstract
Plant viruses have traditionally been studied as pathogens in the context of understanding the molecular and cellular mechanisms of a particular disease affecting crops. In recent years, viruses have emerged as a new alternative for producing biological nanomaterials and chimeric vaccines. Plant viruses were also used to generate highly efficient expression vectors, revolutionizing plant molecular farming (PMF). Several biological products, including recombinant vaccines, monoclonal antibodies, diagnostic reagents, and other pharmaceutical products produced in plants, have passed their clinical trials and are in their market implementation stage. PMF offers opportunities for fast, adaptive, and low-cost technology to meet ever-growing and critical global health needs. In this review, we summarized the advancements in the virus-like particles-based (VLPs-based) nanotechnologies and the role they played in the production of advanced vaccines, drugs, diagnostic bio-nanomaterials, and other bioactive cargos. We also highlighted various applications and advantages plant-produced vaccines have and their relevance for treating human and animal illnesses. Furthermore, we summarized the plant-based biologics that have passed through clinical trials, the unique challenges they faced, and the challenges they will face to qualify, become available, and succeed on the market.
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10
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Jung E, Mao C, Bhatia M, Koellhoffer EC, Fiering SN, Steinmetz NF. Inactivated Cowpea Mosaic Virus for In Situ Vaccination: Differential Efficacy of Formalin vs UV-Inactivated Formulations. Mol Pharm 2023; 20:500-507. [PMID: 36399598 PMCID: PMC9812890 DOI: 10.1021/acs.molpharmaceut.2c00744] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Cowpea mosaic virus (CPMV) has been developed as a promising nanoplatform technology for cancer immunotherapy; when applied as in situ vaccine, CPMV exhibits potent, systemic, and durable efficacy. While CPMV is not infectious to mammals, it is infectious to legumes; therefore, agronomic safety needs to be addressed to broaden the translational application of CPMV. RNA-containing formulations are preferred over RNA-free virus-like particles because the RNA and protein, each, contribute to CPMV's potent antitumor efficacy. We have previously optimized inactivation methods to develop CPMV that contains RNA but is not infectious to plants. We established that inactivated CPMV has reduced efficacy compared to untreated, native CPMV. However, a systematic comparison between native CPMV and different inactivated forms of CPMV was not done. Therefore, in this study, we directly compared the therapeutic efficacies and mechanisms of immune activation of CPMV, ultraviolet- (UV-), and formalin (Form)-inactivated CPMV to explain the differential efficacies. In a B16F10 melanoma mouse tumor model, Form-CPMV suppressed the tumor growth with prolonged survival (there were no statistical differences comparing CPMV and Form-CPMV). In comparison, UV-CPMV inhibited tumor growth significantly but not as well as Form-CPMV or CPMV. The reduced therapeutic efficacy of UV-CPMV is explained by the degree of cross-linking and aggregated state of the RNA, which renders it inaccessible for sensing by Toll-like receptor (TLR) 7/8 to activate immune responses. The mechanistic studies showed that the highly aggregated state of UV-CPMV inhibited TLR7 signaling more so than for the Form-CPMV formulation, reducing the secretion of interleukin-6 (IL-6) and interferon-α (IFN-α), cytokines associated with TLR7 signaling. These findings support the translational development of Form-CPMV as a noninfectious immunotherapeutic agent.
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Affiliation(s)
| | | | - Misha Bhatia
- Department of Nanoengineering, University of, California San Diego, La Jolla, California 92093, United, States
| | - Edward C. Koellhoffer
- Radiology, University of California San Diego, La Jolla, California 92093, United States
| | - Steven N. Fiering
- Department of Microbiology and, Immunology and Dartmouth Cancer Center, Dartmouth, Geisel School of Medicine, Hanover, New Hampshire 03755, United States
| | - Nicole F. Steinmetz
- Department of Nanoengineering, Radiology, Bioengineering, Moores Cancer Center, Center for Nano-Immuno Engineering, and Institute for Materials, Design and Discovery, University of California San Diego, La, Jolla, California 92093, United States
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11
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Wijesundara YH, Herbert FC, Kumari S, Howlett T, Koirala S, Trashi O, Trashi I, Al-Kharji NM, Gassensmith JJ. Rip it, stitch it, click it: A Chemist's guide to VLP manipulation. Virology 2022; 577:105-123. [PMID: 36343470 DOI: 10.1016/j.virol.2022.10.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/09/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022]
Abstract
Viruses are some of nature's most ubiquitous self-assembled molecular containers. Evolutionary pressures have created some incredibly robust, thermally, and enzymatically resistant carriers to transport delicate genetic information safely. Virus-like particles (VLPs) are human-engineered non-infectious systems that inherit the parent virus' ability to self-assemble under controlled conditions while being non-infectious. VLPs and plant-based viral nanoparticles are becoming increasingly popular in medicine as their self-assembly properties are exploitable for applications ranging from diagnostic tools to targeted drug delivery. Understanding the basic structure and principles underlying the assembly of higher-order structures has allowed researchers to disassemble (rip it), reassemble (stitch it), and functionalize (click it) these systems on demand. This review focuses on the current toolbox of strategies developed to manipulate these systems by ripping, stitching, and clicking to create new technologies in the biomedical space.
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Affiliation(s)
- Yalini H Wijesundara
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Fabian C Herbert
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Sneha Kumari
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Thomas Howlett
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Shailendra Koirala
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Orikeda Trashi
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Ikeda Trashi
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Noora M Al-Kharji
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA
| | - Jeremiah J Gassensmith
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA; Department of Biomedical Engineering, The University of Texas at Dallas, 800 West Campbell Rd. Richardson, TX, 75080, USA.
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12
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Affonso de Oliveira JF, Chan SK, Omole AO, Agrawal V, Steinmetz NF. In Vivo Fate of Cowpea Mosaic Virus In Situ Vaccine: Biodistribution and Clearance. ACS NANO 2022; 16:18315-18328. [PMID: 36264973 PMCID: PMC9840517 DOI: 10.1021/acsnano.2c06143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Cowpea mosaic virus (CPMV) is a nucleoprotein nanoparticle that functions as a highly potent immunomodulator when administered intratumorally and is used as an in situ vaccine. CPMV in situ vaccination remodels the tumor microenvironment and primes a highly potent, systemic, and durable antitumor immune response against the treated and untreated, distant metastatic sites (abscopal effect). Potent efficacy was demonstrated in multiple tumor mouse models and, most importantly, in canine cancer patients with spontaneous tumors. Data indicate that presence of anti-CPMV antibodies are not neutralizing and that in fact opsonization leads to enhanced efficacy. Plant viruses are part of the food chain, but to date, there is no information on human exposure to CPMV. Therefore, patient sera were tested for the presence of immunoglobulins against CPMV, and indeed, >50% of deidentified patient samples tested positive for CPMV antibodies. To get a broader sense of plant virus exposure and immunogenicity in humans, we also tested sera for antibodies against tobacco mosaic virus (>90% patients tested positive), potato virus X (<20% patients tested positive), and cowpea chlorotic mottle virus (no antibodies were detected). Further, patient sera were analyzed for the presence of antibodies against the coliphage Qβ, a platform technology currently undergoing clinical trials for in situ vaccination; we found that 60% of patients present with anti-Qβ antibodies. Thus, data indicate human exposure to CPMV and other plant viruses and phages. Next, we thought to address agronomical safety; i.e., we examined the fate of CPMV after intratumoral treatment and oral gavage (to mimic consumption by food). Because live CPMV is used, an important question is whether there is any evidence of shedding of infectious particles from mice or patients. CPMV is noninfectious toward mammals; however, it is infectious toward plants including black-eyed peas and other legumes. Biodistribution data in tumor-bearing and healthy mice indicate little leaching from tumors and clearance via the reticuloendothelial system followed by biliary excretion. While there was evidence of shedding of RNA in stool, there was no evidence of infectious particles when plants were challenged with stool extracts, thus indicating agronomical safety. Together these data aid the translational development of CPMV as a drug candidate for cancer immunotherapy.
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Affiliation(s)
| | - Soo Khim Chan
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
| | - Anthony O Omole
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
| | - Vanshika Agrawal
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
- Center for Nano-ImmunoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
- Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
- Department of Radiology, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
- Moores Cancer Center, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
- Institute for Materials Discovery and Design, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92039, United States
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13
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Alonso-Miguel D, Fiering S, Arias-Pulido H. Proactive Immunotherapeutic Approaches against Inflammatory Breast Cancer May Improve Patient Outcomes. Cells 2022; 11:cells11182850. [PMID: 36139425 PMCID: PMC9497132 DOI: 10.3390/cells11182850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
Inflammatory breast cancer (IBC) is highly metastatic at the onset of the disease with no IBC-specific treatments, resulting in dismal patient survival. IBC treatment is a clear unmet clinical need. This commentary highlights findings from a recent seminal approach in which pembrolizumab, a checkpoint inhibitor against programmed cell death protein 1 (PD-1), was provided to a triple-negative IBC patient as a neoadjuvant immune therapy combined with anthracycline–taxane-based chemotherapy. We highlight the findings of the case report and offer a perspective on taking a proactive approach to deploy approved immune checkpoint inhibitors. On the basis of our recently published research study, we propose in situ vaccination with direct injection of immunostimulatory agents into the tumor as an option to improve outcomes safely, effectively, and economically for IBC patients.
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Affiliation(s)
- Daniel Alonso-Miguel
- Department of Animal Medicine and Surgery, Veterinary Medicine School, Complutense University of Madrid, 28040 Madrid, Spain
| | - Steven Fiering
- Department of Microbiology and Immunology, and Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth and Dartmouth Hitchcock Health, Lebanon, NH 03756, USA
| | - Hugo Arias-Pulido
- Department of Microbiology and Immunology, and Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth and Dartmouth Hitchcock Health, Lebanon, NH 03756, USA
- Correspondence: ; Tel.: +1-505-903-0953
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14
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Multifunctional Plant Virus Nanoparticles for Targeting Breast Cancer Tumors. Vaccines (Basel) 2022; 10:vaccines10091431. [PMID: 36146510 PMCID: PMC9502313 DOI: 10.3390/vaccines10091431] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022] Open
Abstract
Breast cancer treatment using plant-virus-based nanoparticles (PVNPs) has achieved considerable success in preclinical studies. PVNP-based breast cancer therapies include non-targeted and targeted nanoplatforms for delivery of anticancer therapeutic chemo and immune agents and cancer vaccines for activation of local and systemic antitumor immunity. Interestingly, PVNP platforms combined with other tumor immunotherapeutic options and other modalities of oncotherapy can improve tumor efficacy treatment. These applications can be achieved by encapsulation of a wide range of active ingredients and conjugating ligands for targeting immune and tumor cells. This review presents the current breast cancer treatments based on PVNP platforms.
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15
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Monroy-Borrego AG, Steinmetz NF. Three methods for inoculation of viral vectors into plants. FRONTIERS IN PLANT SCIENCE 2022; 13:963756. [PMID: 36110356 PMCID: PMC9468707 DOI: 10.3389/fpls.2022.963756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
Agriculture is facing new challenges, with global warming modifying the survival chances for crops, and new pests on the horizon. To keep up with these challenges, gene delivery provides tools to increase crop yields. On the other hand, gene delivery also opens the door for molecular farming of pharmaceuticals in plants. However, towards increased food production and scalable molecular farming, there remain technical difficulties and regulatory hurdles to overcome. The industry-standard is transformation of plants via Agrobacterium tumefaciens, but this method is limited to certain plants, requires set up of plant growth facilities and fermentation of bacteria, and introduces lipopolysaccharides contaminants into the system. Therefore, alternate methods are needed. Mechanical inoculation and spray methods have already been discussed in the literature - and here, we compare these methods with a newly introduced petiole injection technique. Because our interest lies in the development of plant viruses as immunotherapies targeting human health as well as gene delivery vectors for agriculture applications, we turned toward tobacco mosaic virus as a model system. We studied the effectiveness of three inoculation techniques: mechanical inoculation, Silwet-77 foliar spray and petiole injections. The foliar spray method was optimized, and we used 0.03% Silwet L-77 to induce infection using either TMV or a lysine-added mutant TMV-Lys. We developed a method using a needle-laden syringe to target and inject the plant virus directly into the vasculature of the plant - we tested injection into the stem and petiole. Stem inoculation resulted in toxicity, but the petiole injection technique was established as a viable strategy. TMV and TMV-Lys were purified from single plants and pooled leaf samples - overall there was little variation between the techniques, as measured by TMV or TMV-Lys yields, highlighting the feasibility of the syringe injection technique to produce virus nanoparticles. There was variation between yields from preparation to preparation with mechanical, spray and syringe inoculation yielding 40-141 mg, 36-56 mg, 18-56 mg TMV per 100 grams of leaves. Similar yields were obtained using TMV-Lys, with 24-38 mg, 17-28, 7-36 mg TMV-Lys per 100 grams of leaves for mechanical, spray and syringe inoculation, respectively. Each method has its advantages: spray inoculation is highly scalable and therefore may find application for farming, the syringe inoculation could provide a clean, aseptic, and controlled approach for molecular farming of pharmaceuticals under good manufacturing protocols (GMP) and would even be applicable for gene delivery to plants in space.
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Affiliation(s)
- Andrea G. Monroy-Borrego
- Department of NanoEngineering, University of California, San Diego, San Diego, CA, United States
| | - Nicole F. Steinmetz
- Department of NanoEngineering, University of California, San Diego, San Diego, CA, United States
- Department of Bioengineering, University of California, San Diego, San Diego, CA, United States
- Department of Radiology, University of California, San Diego, San Diego, CA, United States
- Center for Nano-ImmunoEngineering, University of California, San Diego, San Diego, CA, United States
- Moores Cancer Center, University of California, San Diego, San Diego, CA, United States
- Institute for Materials Discovery and Design, University of California, San Diego, San Diego, CA, United States
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16
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Liao Z, Huang J, Lo PC, Lovell JF, Jin H, Yang K. Self-adjuvanting cancer nanovaccines. J Nanobiotechnology 2022; 20:345. [PMID: 35883176 PMCID: PMC9316869 DOI: 10.1186/s12951-022-01545-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 07/04/2022] [Indexed: 11/12/2022] Open
Abstract
Nanovaccines, a new generation of vaccines that use nanoparticles as carriers and/or adjuvants, have been widely used in the prevention and treatment of various diseases, including cancer. Nanovaccines have sparked considerable interest in cancer therapy due to a variety of advantages, including improved access to lymph nodes (LN), optimal packing and presentation of antigens, and induction of a persistent anti-tumor immune response. As a delivery system for cancer vaccines, various types of nanoparticles have been designed to facilitate the delivery of antigens and adjuvants to lymphoid organs and antigen-presenting cells (APCs). Particularly, some types of nanoparticles are able to confer an immune-enhancing capability and can themselves be utilized for adjuvant-like effect for vaccines, suggesting a direction for a better use of nanomaterials and the optimization of cancer vaccines. However, this role of nanoparticles in vaccines has not been well studied. To further elucidate the role of self-adjuvanting nanovaccines in cancer therapy, we review the mechanisms of antitumor vaccine adjuvants with respect to nanovaccines with self-adjuvanting properties, including enhancing cross-presentation, targeting signaling pathways, biomimicking of the natural invasion process of pathogens, and further unknown mechanisms. We surveyed self-adjuvanting cancer nanovaccines in clinical research and discussed their advantages and challenges. In this review, we classified self-adjuvanting cancer nanovaccines according to the underlying immunomodulatory mechanism, which may provide mechanistic insights into the design of nanovaccines in the future.
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Affiliation(s)
- Zhiyun Liao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jing Huang
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Pui-Chi Lo
- Department of Biomedical Sciences, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Jonathan F Lovell
- Department of Biomedical Engineering, University at Buffalo, State University of New York, Buffalo, NY, 14260, USA
| | - Honglin Jin
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. .,College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Kunyu Yang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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17
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Koellhoffer EC, Steinmetz NF. Cowpea Mosaic Virus and Natural Killer Cell Agonism for In Situ Cancer Vaccination. NANO LETTERS 2022; 22:5348-5356. [PMID: 35713326 PMCID: PMC9665426 DOI: 10.1021/acs.nanolett.2c01328] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
We have previously shown the plant virus Cowpea mosaic virus (CPMV) to be an efficacious in situ cancer vaccine, providing elimination of tumors and tumor-specific immune memory. Additionally, we have shown that CPMV recruits Natural Killer (NK) cells within the tumor microenvironment. Here we aimed to determine whether a combination of CPMV and anti-4-1BB monoclonal antibody agonist to stimulate tumor-resident and CPMV-recruited NK cells is an effective dual therapy approach to improve NK cell function and in situ cancer vaccination efficacy. Using murine models of metastatic colon carcinomatosis and intradermal melanoma, intratumorally administered CPMV + anti-4-1BB dual therapy provided a robust antitumor response, improved elimination of primary tumors, and reduced mortality compared to CPMV and anti-4-1BB monotherapies. Additionally, on tumor rechallenge there was significant delay/prevention of tumor development and improved survival, highlighting that the CPMV + anti-4-1BB dual therapy enables potent and durable antitumor efficacy.
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Affiliation(s)
- Edward C Koellhoffer
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, United States
| | - Nicole F Steinmetz
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, United States
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
- Department of Bioengineering, University of California, San Diego, La Jolla, California 92093, United States
- Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, United States
- Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, California 92093, United States
- Institute for Materials Design and Discovery, University of California, San Diego, La Jolla, California 92093, United States
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18
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Nkanga C, Ortega-Rivera OA, Shin MD, Moreno-Gonzalez MA, Steinmetz NF. Injectable Slow-Release Hydrogel Formulation of a Plant Virus-Based COVID-19 Vaccine Candidate. Biomacromolecules 2022; 23:1812-1825. [PMID: 35344365 PMCID: PMC9003890 DOI: 10.1021/acs.biomac.2c00112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/09/2022] [Indexed: 01/09/2023]
Abstract
Cowpea mosaic virus (CPMV) is a potent immunogenic adjuvant and epitope display platform for the development of vaccines against cancers and infectious diseases, including coronavirus disease 2019. However, the proteinaceous CPMV nanoparticles are rapidly degraded in vivo. Multiple doses are therefore required to ensure long-lasting immunity, which is not ideal for global mass vaccination campaigns. Therefore, we formulated CPMV nanoparticles in injectable hydrogels to achieve slow particle release and prolonged immunostimulation. Liquid formulations were prepared from chitosan and glycerophosphate (GP) before homogenization with CPMV particles at room temperature. The formulations containing high-molecular-weight chitosan and 0-4.5 mg mL-1 CPMV gelled rapidly at 37 °C (5-8 min) and slowly released cyanine 5-CPMV particles in vitro and in vivo. Importantly, when a hydrogel containing CPMV displaying severe acute respiratory syndrome coronavirus 2 spike protein epitope 826 (amino acid 809-826) was administered to mice as a single subcutaneous injection, it elicited an antibody response that was sustained over 20 weeks, with an associated shift from Th1 to Th2 bias. Antibody titers were improved at later time points (weeks 16 and 20) comparing the hydrogel versus soluble vaccine candidates; furthermore, the soluble vaccine candidates retained Th1 bias. We conclude that CPMV nanoparticles can be formulated effectively in chitosan/GP hydrogels and are released as intact particles for several months with conserved immunotherapeutic efficacy. The injectable hydrogel containing epitope-labeled CPMV offers a promising single-dose vaccine platform for the prevention of future pandemics as well as a strategy to develop long-lasting plant virus-based nanomedicines.
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Affiliation(s)
- Christian
Isalomboto Nkanga
- Department
of NanoEngineering, University of California
San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
| | - Oscar A. Ortega-Rivera
- Department
of NanoEngineering, University of California
San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
- Center
for Nano-ImmunoEngineering, University of
California San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
| | - Matthew D. Shin
- Department
of NanoEngineering, University of California
San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
- Center
for Nano-ImmunoEngineering, University of
California San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
| | - Miguel A. Moreno-Gonzalez
- Department
of NanoEngineering, University of California
San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
- Center
for Nano-ImmunoEngineering, University of
California San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
| | - Nicole F. Steinmetz
- Department
of NanoEngineering, University of California
San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
- Department
of Bioengineering, University of California
San Diego, 9500 Gilman
Dr., La Jolla, California 92039, United States
- Department
of Radiology, University of California San
Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
- Center
for Nano-ImmunoEngineering, University of
California San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
- Moores
Cancer Center, University of California
San Diego, 9500 Gilman
Dr., La Jolla, California 92039, United States
- Institute
for Materials Discovery and Design, University
of California San Diego, 9500 Gilman Dr., La Jolla, California 92039, United States
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19
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Beiss V, Mao C, Fiering SN, Steinmetz NF. Cowpea Mosaic Virus Outperforms Other Members of the Secoviridae as In Situ Vaccine for Cancer Immunotherapy. Mol Pharm 2022; 19:1573-1585. [PMID: 35333531 DOI: 10.1021/acs.molpharmaceut.2c00058] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In situ vaccination for cancer immunotherapy uses intratumoral administration of small molecules, proteins, nanoparticles, or viruses that activate pathogen recognition receptors (PRRs) to reprogram the tumor microenvironment and prime systemic antitumor immunity. Cowpea mosaic virus (CPMV) is a plant virus that─while noninfectious toward mammals─activates mammalian PRRs. Application of CPMV as in situ vaccine (ISV) results in a potent and durable efficacy in tumor mouse models and canine patients; data indicate that CPMV outperforms small molecule PRR agonists and other nonrelated plant viruses and virus-like particles (VLPs). In this work, we set out to compare the potency of CPMV versus other plant viruses from the Secoviridae. We developed protocols to produce and isolate cowpea severe mosaic virus (CPSMV) and tobacco ring spot virus (TRSV) from plants. CPSMV, like CPMV, is a comovirus with genome and protein homology, while TRSV lacks homology and is from the genus nepovirus. When applied as ISV in a mouse model of dermal melanoma (using B16F10 cells and C57Bl6J mice), CPMV outperformed CPSMV and TRSV─again highlighting the unique potency of CPMV. Mechanistically, the increased potency is related to increased signaling through toll-like receptors (TLRs)─in particular, CPMV signals through TLR2, 4, and 7. Using knockout (KO) mouse models, we demonstrate here that all three plant viruses signal through the adaptor molecule MyD88─with CPSMV and TRSV predominantly activating TLR2 and 4. CPMV induced significantly more interferon β (IFNβ) compared to TRSV and CPSMV; therefore, IFNβ released upon signaling through TLR7 may be a differentiator for the observed potency of CPMV-ISV. Additionally, CPMV induced a different temporal pattern of intratumoral cytokine generation characterized by significantly increased inflammatory cytokines 4 days after the second of 2 weekly treatments, as if CPMV induced a "memory response". This higher, longer-lasting induction of cytokines may be another key differentiator that explains the unique potency of CPMV-ISV.
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Affiliation(s)
- Veronique Beiss
- Departments of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States
| | - Chenkai Mao
- Department of Microbiology and Immunology, and Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth and Dartmouth Hitchcock Health, Lebanon, New Hampshire 03756, United States
| | - Steven N Fiering
- Department of Microbiology and Immunology, and Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth and Dartmouth Hitchcock Health, Lebanon, New Hampshire 03756, United States
| | - Nicole F Steinmetz
- Departments of NanoEngineering, University of California San Diego, La Jolla, California 92093, United States.,Department of Microbiology and Immunology, and Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth and Dartmouth Hitchcock Health, Lebanon, New Hampshire 03756, United States.,Departments of Radiology, University of California San Diego, La Jolla, California 92093, United States.,Departments of Bioengineering, University of California San Diego, La Jolla, California 92093, United States.,Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States.,Center for Nano-ImmunoEngineering, University of California San Diego, La Jolla, California 92093, United States.,Institute for Materials Discovery and Design, University of California San Diego, La Jolla, California 92093, United States
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20
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Koellhoffer EC, Mao C, Beiss V, Wang L, Fiering SN, Boone CE, Steinmetz NF. Inactivated Cowpea Mosaic Virus in Combination with OX40 Agonist Primes Potent Antitumor Immunity in a Bilateral Melanoma Mouse Model. Mol Pharm 2022; 19:592-601. [PMID: 34978197 PMCID: PMC9207558 DOI: 10.1021/acs.molpharmaceut.1c00681] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Viral immunotherapies are being recognized in cancer treatment, with several currently approved or undergoing clinical testing. While contemporary approaches have focused on oncolytic viral therapies, our efforts center on the development of plant virus-based cancer immunotherapies. In a previous work, we demonstrated the potent efficacy of the cowpea mosaic virus (CPMV), a plant virus that does not replicate in animals, applied as an in situ vaccine. CPMV is an immunostimulatory drug candidate, and intratumoral administration remodels the tumor microenvironment leading to activation of local and systemic antitumor immunity. Efficacy has been demonstrated in multiple tumor mouse models and canine cancer patients. As wild-type CPMV is infectious toward various legumes and because shedding of infectious virus from patients may be an agricultural concern, we developed UV-inactivated CPMV (termed inCPMV) which is not infectious toward plants. We report that as a monotherapy, wild-type CPMV outperforms inCPMV in mouse models of dermal melanoma or disseminated colon cancer. Efficacy of inCPMV is less than that of CPMV and similar to that of RNA-free CPMV. Immunological investigation using knockout mice shows that inCPMV does not signal through TLR7 (toll-like receptor); structure-function studies indicate that the RNA is highly cross-linked and therefore unable to activate TLR7. Wild-type CPMV signals through TLR2, -4, and -7, whereas inCPMV more closely resembles RNA-free CPMV which signals through TLR2 and -4 only. The structural features of inCPMV explain the increased potency of wild-type CPMV through the triple pronged TLR activation. Strikingly, when inCPMV is used in combination with an anti-OX40 agonist antibody (administered systemically), exceptional efficacy was demonstrated in a bilateral B16F10 dermal melanoma model. Combination therapy, with in situ vaccination applied only into the primary tumor, controlled the progression of the secondary, untreated tumors, with 10 out of 14 animals surviving for at least 100 days post tumor challenge without development of recurrence or metastatic disease. This study highlights the potential of inCPMV as an in situ vaccine candidate and demonstrates the power of combined immunotherapy approaches. Strategic immunocombination therapies are the formula for success, and the combination of in situ vaccination strategies along with therapeutic antibodies targeting the cancer immunity cycle is a particularly powerful approach.
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Affiliation(s)
- Edward C Koellhoffer
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, United States
| | - Chenkai Mao
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Veronique Beiss
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Lu Wang
- Department of Bioengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Steven N Fiering
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire 03755, United States
- Norris Cotton Cancer Center, Geisel School of Medicine and Dartmouth Hitchcock Medical System, Lebanon, New Hampshire 03755, United States
| | - Christine E Boone
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, United States
| | - Nicole F Steinmetz
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, United States
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, United States
- Department of Bioengineering, University of California, San Diego, La Jolla, California 92093, United States
- Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, United States
- Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, California 92093, United States
- Institute for Materials Design and Discovery, University of California, San Diego, La Jolla, California 92093, United States
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21
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Virus-Like Particles as Preventive and Therapeutic Cancer Vaccines. Vaccines (Basel) 2022; 10:vaccines10020227. [PMID: 35214685 PMCID: PMC8879290 DOI: 10.3390/vaccines10020227] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 12/04/2022] Open
Abstract
Virus-like particles (VLPs) are self-assembled viral protein complexes that mimic the native virus structure without being infectious. VLPs, similarly to wild type viruses, are able to efficiently target and activate dendritic cells (DCs) triggering the B and T cell immunities. Therefore, VLPs hold great promise for the development of effective and affordable vaccines in infectious diseases and cancers. Vaccine formulations based on VLPs, compared to other nanoparticles, have the advantage of incorporating multiple antigens derived from different proteins. Moreover, such antigens can be functionalized by chemical modifications without affecting the structural conformation or the antigenicity. This review summarizes the current status of preventive and therapeutic VLP-based vaccines developed against human oncoviruses as well as cancers.
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22
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Venkataraman S, Apka P, Shoeb E, Badar U, Hefferon K. Plant Virus Nanoparticles for Anti-cancer Therapy. Front Bioeng Biotechnol 2021; 9:642794. [PMID: 34976959 PMCID: PMC8714775 DOI: 10.3389/fbioe.2021.642794] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 08/27/2021] [Indexed: 12/14/2022] Open
Abstract
Plant virus nanoparticles (VNPs) are inexpensive to produce, safe, biodegradable and efficacious as treatments. The applications of r plant virus nanoparticles range from epitope carriers for vaccines to agents in cancer immunotherapy. Both VNPs and virus-like particles (VLPs) are highly immunogenic and are readily phagocytosed by antigen presenting cells (APCs), which in turn elicit antigen processing and display of pathogenic epitopes on their surfaces. Since the VLPs are composed of multiple copies of their respective capsid proteins, they present repetitive multivalent scaffolds which aid in antigen presentation. Therefore, the VLPs prove to be highly suitable platforms for delivery and presentation of antigenic epitopes, resulting in induction of more robust immune response compared to those of their soluble counterparts. Since the tumor microenvironment poses the challenge of self-antigen tolerance, VLPs are preferrable platforms for delivery and display of self-antigens as well as otherwise weakly immunogenic antigens. These properties, in addition to their diminutive size, enable the VLPs to deliver vaccines to the draining lymph nodes in addition to promoting APC interactions. Furthermore, many plant viral VLPs possess inherent adjuvant properties dispensing with the requirement of additional adjuvants to stimulate immune activity. Some of the highly immunogenic VLPs elicit innate immune activity, which in turn instigate adaptive immunity in tumor micro-environments. Plant viral VLPs are nontoxic, inherently stable, and capable of being mass-produced as well as being modified with antigens and drugs, therefore providing an attractive option for eliciting anti-tumor immunity. The following review explores the use of plant viruses as epitope carrying nanoparticles and as a novel tools in cancer immunotherapy.
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Affiliation(s)
| | - Paul Apka
- Theranostics and Drug Discovery Research Group, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka, Nigeria
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka, Nigeria
| | - Erum Shoeb
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
- Department of Genetics, University of Karachi, Karachi, Pakistan
| | - Uzma Badar
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
- Department of Genetics, University of Karachi, Karachi, Pakistan
| | - Kathleen Hefferon
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada
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23
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Chung YH, Park J, Cai H, Steinmetz NF. S100A9-Targeted Cowpea Mosaic Virus as a Prophylactic and Therapeutic Immunotherapy against Metastatic Breast Cancer and Melanoma. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101796. [PMID: 34519180 PMCID: PMC8564454 DOI: 10.1002/advs.202101796] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/05/2021] [Indexed: 05/05/2023]
Abstract
Prognosis and treatment of metastatic cancer continues to be one of the most difficult and challenging areas of oncology. Treatment usually consists of chemotherapeutics, which may be ineffective due to drug resistance, adverse effects, and dose-limiting toxicity. Therefore, novel approaches such as immunotherapy have been investigated to improve patient outcomes and minimize side effects. S100A9 is a calcium-binding protein implicated in tumor metastasis, progression, and aggressiveness that modulates the tumor microenvironment into an immunosuppressive state. S100A9 is expressed in and secreted by immune cells in the pre-metastatic niche, as well as, post-tumor development, therefore making it a suitable targeted for prophylaxis and therapy. In previous work, it is demonstrated that cowpea mosaic virus (CPMV) acts as an adjuvant when administered intratumorally. Here, it is demonstrated that systemically administered, S100A9-targeted CPMV homes to the lungs leading to recruitment of innate immune cells. This approach is efficacious both prophylactically and therapeutically against lung metastasis from melanoma and breast cancer. The current research will facilitate and accelerate the development of next-generation targeted immunotherapies administered as prophylaxis, that is, after surgery of a primary breast tumor to prevent outgrowth of metastasis, as well as, therapy to treat established metastatic disease.
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Affiliation(s)
- Young Hun Chung
- Department of BioengineeringUniversity of CaliforniaLa JollaSan DiegoCAUSA
| | - Jooneon Park
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCAUSA
| | - Hui Cai
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCAUSA
| | - Nicole F. Steinmetz
- Department of BioengineeringUniversity of CaliforniaLa JollaSan DiegoCAUSA
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCAUSA
- Department of RadiologyUniversity of CaliforniaLa JollaSan DiegoCAUSA
- Institute for Materials Discovery and DesignUniversity of CaliforniaLa JollaSan DiegoCAUSA
- Center for Nano‐ImmunoEngineeringUniversity of CaliforniaLa JollaSan DiegoCAUSA
- Moores Cancer CenterUniversity of CaliforniaLa JollaSan DiegoCAUSA
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24
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Citiulo F, Crosatti C, Cattivelli L, Biselli C. Frontiers in the Standardization of the Plant Platform for High Scale Production of Vaccines. PLANTS (BASEL, SWITZERLAND) 2021; 10:1828. [PMID: 34579360 PMCID: PMC8467261 DOI: 10.3390/plants10091828] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/30/2021] [Accepted: 09/01/2021] [Indexed: 12/13/2022]
Abstract
The recent COVID-19 pandemic has highlighted the value of technologies that allow a fast setup and production of biopharmaceuticals in emergency situations. The plant factory system can provide a fast response to epidemics/pandemics. Thanks to their scalability and genome plasticity, plants represent advantageous platforms to produce vaccines. Plant systems imply less complicated production processes and quality controls with respect to mammalian and bacterial cells. The expression of vaccines in plants is based on transient or stable transformation systems and the recent progresses in genome editing techniques, based on the CRISPR/Cas method, allow the manipulation of DNA in an efficient, fast, and easy way by introducing specific modifications in specific sites of a genome. Nonetheless, CRISPR/Cas is far away from being fully exploited for vaccine expression in plants. In this review, an overview of the potential conjugation of the renewed vaccine technologies (i.e., virus-like particles-VLPs, and industrialization of the production process) with genome editing to produce vaccines in plants is reported, illustrating the potential advantages in the standardization of the plant platforms, with the overtaking of constancy of large-scale production challenges, facilitating regulatory requirements and expediting the release and commercialization of the vaccine products of genome edited plants.
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Affiliation(s)
- Francesco Citiulo
- GSK Vaccines Institute for Global Health, Via Fiorentina 1, 53100 Siena, Italy;
| | - Cristina Crosatti
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via San Protaso 302, 29017 Fiorenzuola d’Arda, Italy; (C.C.); (L.C.)
| | - Luigi Cattivelli
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via San Protaso 302, 29017 Fiorenzuola d’Arda, Italy; (C.C.); (L.C.)
| | - Chiara Biselli
- Council for Agricultural Research and Economics, Research Centre for Viticulture and Enology, Viale Santa Margherita 80, 52100 Arezzo, Italy
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25
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Venkataraman S, Hefferon K. Application of Plant Viruses in Biotechnology, Medicine, and Human Health. Viruses 2021; 13:1697. [PMID: 34578279 PMCID: PMC8473230 DOI: 10.3390/v13091697] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 07/02/2021] [Accepted: 07/12/2021] [Indexed: 01/06/2023] Open
Abstract
Plant-based nanotechnology programs using virus-like particles (VLPs) and virus nanoparticles (VNPs) are emerging platforms that are increasingly used for a variety of applications in biotechnology and medicine. Tobacco mosaic virus (TMV) and potato virus X (PVX), by virtue of having high aspect ratios, make ideal platforms for drug delivery. TMV and PVX both possess rod-shaped structures and single-stranded RNA genomes encapsidated by their respective capsid proteins and have shown great promise as drug delivery systems. Cowpea mosaic virus (CPMV) has an icosahedral structure, and thus brings unique benefits as a nanoparticle. The uses of these three plant viruses as either nanostructures or expression vectors for high value pharmaceutical proteins such as vaccines and antibodies are discussed extensively in the following review. In addition, the potential uses of geminiviruses in medical biotechnology are explored. The uses of these expression vectors in plant biotechnology applications are also discussed. Finally, in this review, we project future prospects for plant viruses in the fields of medicine, human health, prophylaxis, and therapy of human diseases.
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Affiliation(s)
| | - Kathleen Hefferon
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON M5S 3B2, Canada;
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26
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Gorbet MJ, Singh A, Mao C, Fiering S, Ranjan A. Using nanoparticles for in situ vaccination against cancer: mechanisms and immunotherapy benefits. Int J Hyperthermia 2021; 37:18-33. [PMID: 33426995 DOI: 10.1080/02656736.2020.1802519] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Immunotherapy to treat cancer is now an established clinical approach. Immunotherapy can be applied systemically, as done with checkpoint blockade antibodies, but it can also be injected directly into identified tumors, in a strategy of in situ vaccination (ISV). ISV is designed to stimulate a strong local antitumor immune response involving both innate and adaptive immune cells, and through this generate a systemic antitumor immune response against metastatic tumors. A variety of ISVs have been utilized to generate an immunostimulatory tumor microenvironment (TME). These include attenuated microorganisms, recombinant proteins, small molecules, physical disruptors of TME (alternating magnetic and focused ultrasound heating, photothermal therapy, and radiotherapy), and more recently nanoparticles (NPs). NPs are attractive and unique since they can load multiple drugs or other reagents to influence immune and cancer cell functions in the TME, affording a unique opportunity to stimulate antitumor immunity. Here, we describe the NP-ISV therapeutic mechanisms, review chemically synthesized NPs (i.e., liposomes, polymeric, chitosan-based, inorganic NPs, etc.), biologically derived NPs (virus and bacteria-based NPs), and energy-activated NP-ISVs in the context of their use as local ISV. Data suggests that NP-ISVs can enhance outcomes of immunotherapeutic regimens including those utilizing tumor hyperthermia and checkpoint blockade therapies.
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Affiliation(s)
| | - Akansha Singh
- College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
| | - Chenkai Mao
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Steven Fiering
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA.,Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Norris Cotton Cancer Center at Dartmouth and Dartmouth Hitchcock, Lebanon, NH, USA
| | - Ashish Ranjan
- College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
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27
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Delfi M, Sartorius R, Ashrafizadeh M, Sharifi E, Zhang Y, De Berardinis P, Zarrabi A, Varma RS, Tay FR, Smith BR, Makvandi P. Self-assembled peptide and protein nanostructures for anti-cancer therapy: Targeted delivery, stimuli-responsive devices and immunotherapy. NANO TODAY 2021; 38:101119. [PMID: 34267794 PMCID: PMC8276870 DOI: 10.1016/j.nantod.2021.101119] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Self-assembled peptides and proteins possess tremendous potential as targeted drug delivery systems and key applications of these well-defined nanostructures reside in anti-cancer therapy. Peptides and proteins can self-assemble into nanostructures of diverse sizes and shapes in response to changing environmental conditions such as pH, temperature, ionic strength, as well as host and guest molecular interactions; their countless benefits include good biocompatibility and high loading capacity for hydrophobic and hydrophilic drugs. These self-assembled nanomaterials can be adorned with functional moieties to specifically target tumor cells. Stimuli-responsive features can also be incorporated with respect to the tumor microenvironment. This review sheds light on the growing interest in self-assembled peptides and proteins and their burgeoning applications in cancer treatment and immunotherapy.
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Affiliation(s)
- Masoud Delfi
- Department of Chemical Sciences, University of Naples “Federico II”, Complesso Universitario Monte S. Angelo, Via Cintia, Naples 80126, Italy
| | - Rossella Sartorius
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), Naples 80131, Italy
| | - Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, 34956 Istanbul, Turkey
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956, Istanbul, Turkey
| | - Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, 6517838736, Hamadan, Iran
- Institute for Polymers, Composites and Biomaterials, National Research Council, IPCB-CNR, Naples 80125, Italy
| | - Yapei Zhang
- Department of Biomedical Engineering, Institute for Quantitative Health Science & Engineering, Michigan State University, East Lansing, MI 48824, USA
| | | | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956, Istanbul, Turkey
| | - Rajender S. Varma
- Regional Centre of Advanced Technologies and Materials, Palacký University Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Franklin R Tay
- The Graduate School, Augusta University, Augusta, GA 30912, USA
| | - Bryan Ronain Smith
- Department of Biomedical Engineering, Institute for Quantitative Health Science & Engineering, Michigan State University, East Lansing, MI 48824, USA
- Department of Radiology and the Molecular Imaging Program, Stanford University, Stanford, CA, 94305, USA
| | - Pooyan Makvandi
- Istituto Italiano di Tecnologia, Centre for Micro-BioRobotics, Viale Rinaldo Piaggio 34, 56025 Pontedera, Pisa, Italy
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28
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Mao C, Beiss V, Fields J, Steinmetz NF, Fiering S. Cowpea mosaic virus stimulates antitumor immunity through recognition by multiple MYD88-dependent toll-like receptors. Biomaterials 2021; 275:120914. [PMID: 34126409 DOI: 10.1016/j.biomaterials.2021.120914] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 05/10/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023]
Abstract
Cowpea mosaic virus (CPMV), a non-enveloped plant virus, and empty CPMV (eCPMV), a virus-like particle (VLP) composed of CPMV capsid without nucleic acids, are potent in situ cancer vaccines when administered intratumorally (I.T.). However, it is unclear how immune cells recognize these nanoparticles and why they are immunogenic, which was investigated in this study. CPMV generated stronger selective induction of cytokines and chemokines in naïve mouse splenocytes and exhibited more potent anti-tumor efficacy than eCPMV. MyD88 is required for both CPMV- and eCPMV-elicited immune responses. Screening with human embryonic kidney (HEK)-293 cell toll-like receptor (TLR) reporter assays along with experiments in corresponding TLR-/- mice indicated CPMV and eCPMV capsids are recognized by MyD88-dependent TLR2 and TLR4. CPMV, but not eCPMV, is additionally recognized by TLR7. Secretion of type I interferons (IFNs), which requires the interaction between TLR7 and encapsulated single-stranded RNAs (ssRNAs), is critical to CPMV's better efficacy. The same recognition mechanisms are also functional in human peripheral blood mononuclear cells (PBMCs). Overall, these findings link CPMV immunotherapy efficacy with molecular recognition, provide rationale for how to develop more potent viral particles, accentuate the value of multi-TLR agonists as in situ cancer vaccines, and highlight the functional importance of type I IFNs for in situ vaccination.
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Affiliation(s)
- Chenkai Mao
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, United States
| | - Veronique Beiss
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Jennifer Fields
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, United States; Norris Cotton Cancer Center, Geisel School of Medicine, Dartmouth Hitchcock Medical System, Lebanon, NH, 03756, United States
| | - Nicole F Steinmetz
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, 92093, United States; Department of Bioengineering, University of California, San Diego, La Jolla, CA, 92093, United States; Department of Radiology, University of California, San Diego, La Jolla, CA, 92093, United States; Moores Cancer Center, University of California, San Diego, La Jolla, CA, 92093, United States; Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, CA, 92093, United States; Institute for Materials Design and Discovery, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Steven Fiering
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, United States; Norris Cotton Cancer Center, Geisel School of Medicine, Dartmouth Hitchcock Medical System, Lebanon, NH, 03756, United States.
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29
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Butkovich N, Li E, Ramirez A, Burkhardt AM, Wang SW. Advancements in protein nanoparticle vaccine platforms to combat infectious disease. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1681. [PMID: 33164326 PMCID: PMC8052270 DOI: 10.1002/wnan.1681] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 10/04/2020] [Accepted: 10/08/2020] [Indexed: 12/14/2022]
Abstract
Infectious diseases are a major threat to global human health, yet prophylactic treatment options can be limited, as safe and efficacious vaccines exist only for a fraction of all diseases. Notably, devastating diseases such as acquired immunodeficiency syndrome (AIDS) and coronavirus disease of 2019 (COVID-19) currently do not have vaccine therapies. Conventional vaccine platforms, such as live attenuated vaccines and whole inactivated vaccines, can be difficult to manufacture, may cause severe side effects, and can potentially induce severe infection. Subunit vaccines carry far fewer safety concerns due to their inability to cause vaccine-based infections. The applicability of protein nanoparticles (NPs) as vaccine scaffolds is promising to prevent infectious diseases, and they have been explored for a number of viral, bacterial, fungal, and parasitic diseases. Many types of protein NPs exist, including self-assembling NPs, bacteriophage-derived NPs, plant virus-derived NPs, and human virus-based vectors, and these particular categories will be covered in this review. These vaccines can elicit strong humoral and cellular immune responses against specific pathogens, as well as provide protection against infection in a number of animal models. Furthermore, published clinical trials demonstrate the promise of applying these NP vaccine platforms, which include bacteriophage-derived NPs, in addition to multiple viral vectors that are currently used in the clinic. The continued investigations of protein NP vaccine platforms are critical to generate safer alternatives to current vaccines, advance vaccines for diseases that currently lack effective prophylactic therapies, and prepare for the rapid development of new vaccines against emerging infectious diseases. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease Biology-Inspired Nanomaterials > Protein and Virus-Based Structures.
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Affiliation(s)
- Nina Butkovich
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697 USA
| | - Enya Li
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697 USA
| | - Aaron Ramirez
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697 USA
| | - Amanda M. Burkhardt
- Department of Clinical Pharmacy, School of Pharmacy, University of Southern California, Los Angeles, CA 90089 USA
| | - Szu-Wen Wang
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, CA 92697 USA
- Department of Biomedical Engineering, University of California, Irvine, CA 92697 USA
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30
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Carrasco-Esteban E, Domínguez-Rullán JA, Barrionuevo-Castillo P, Pelari-Mici L, Leaman O, Sastre-Gallego S, López-Campos F. Current role of nanoparticles in the treatment of lung cancer. J Clin Transl Res 2021; 7:140-155. [PMID: 34104817 PMCID: PMC8177846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/20/2020] [Accepted: 01/27/2021] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Worldwide, lung cancer is one of the leading causes of cancer death. Nevertheless, new therapeutic agents have been developed to treat lung cancer that could change this mortality-rate. Interestingly, incredible advances have occurred in recent years in the development and application of nanotechnology in the detection, diagnosis, and treatment of lung cancer. AIM Nanoparticles (NPs) have the ability to incorporate multiple drugs and targeting agents and therefore lead to an improved bioavailability, sustained delivery, solubility, and intestinal absorption. RELEVANCE FOR PATIENTS This review briefly summarizes the latest innovations in therapeutic nanomedicine in lung cancer with examples on magnetic, lipid, and polymer NP. Emphasis will be placed on future studies and ongoing clinical trials in this field.
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Affiliation(s)
| | | | | | - Lira Pelari-Mici
- Department of Radiation Oncology, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Olwen Leaman
- Department of Radiation Oncology, Hospital Universitario Gregorio Marañon, Madrid, Spain
| | - Sara Sastre-Gallego
- Department of Radiation Oncology, Hospital Universitario Rey Juan Carlos, Madrid, Spain
| | - Fernando López-Campos
- Department of Radiation Oncology, Hospital Universitario Ramón y Cajal, Madrid, Spain
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31
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Nkanga CI, Steinmetz NF. The pharmacology of plant virus nanoparticles. Virology 2021; 556:39-61. [PMID: 33545555 PMCID: PMC7974633 DOI: 10.1016/j.virol.2021.01.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/14/2022]
Abstract
The application of nanoparticles for medical purposes has made enormous strides in providing new solutions to health problems. The observation that plant virus-based nanoparticles (VNPs) can be repurposed and engineered as smart bio-vehicles for targeted drug delivery and imaging has launched extensive research for improving the therapeutic and diagnostic management of various diseases. There is evidence that VNPs are promising high value nanocarriers with potential for translational development. This is mainly due to their unique features, encompassing structural uniformity, ease of manufacture and functionalization by means of expression, chemical biology and self-assembly. While the development pipeline is moving rapidly, with many reports focusing on engineering and manufacturing aspects to tailor the properties and efficacy of VNPs, fewer studies have focused on gaining insights into the nanotoxicity of this novel platform nanotechnology. Herein, we discuss the pharmacology of VNPs as a function of formulation and route of administration. VNPs are reviewed in the context of their application as therapeutic adjuvants or nanocarrier excipients to initiate, enhance, attenuate or impede the formulation's toxicity. The summary of the data however also underlines the need for meticulous VNP structure-nanotoxicity studies to improve our understanding of their in vivo fates and pharmacological profiles to pave the way for translation of VNP-based formulations into the clinical setting.
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Affiliation(s)
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA, 92039, United States; Department of Bioengineering, Department of Radiology, Center for NanoImmunoEngineering, Moores Cancer Center, Institute for Materials Discovery and Design, University of California-San Diego, La Jolla, CA, 92039, United States.
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Muluh TA, Chen Z, Li Y, Xiong K, Jin J, Fu S, Wu J. Enhancing Cancer Immunotherapy Treatment Goals by Using Nanoparticle Delivery System. Int J Nanomedicine 2021; 16:2389-2404. [PMID: 33790556 PMCID: PMC8007559 DOI: 10.2147/ijn.s295300] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 02/14/2021] [Indexed: 12/14/2022] Open
Abstract
Recently, there has been an incredible increase in research about the abnormal growth of cells (neoplasm), focusing on the management, treatment and preventing reoccurrence. It has been understood that the natural defense system, composed of a variety of immune defensive cells, does not just limit its function in eliminating neoplastic cells, but also controls the growth and spread of tumor cells of different kinds to other parts of the body. Cancer immunotherapy, is a cancer treatment plan that educates the body’s defensive system to forestall, control, and eliminate tumor cells. The effectiveness of immunotherapy is achieved, to its highest efficacy, by the use of nanoparticles (NPs) for precise and timely delivery of immunotherapies to specific targeted neoplasms, with less or no harm to the healthy cells. Immunotherapies have been affirmed in clinical trials as a cancer regimen for various types of cancers, the side effects resulting from imprecise and non-targeted conveyance is well managed with the use of nanoparticles. Nonetheless, we will concentrate on enhancing cancer immunotherapy approaches by the use of nanoparticles for the productivity of antitumor immunity. Nanoparticles will be presented and utilized as an objective immunotherapy delivery system for high exactness and are thus a promising methodology for cancer treatment.
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Affiliation(s)
- Tobias Achu Muluh
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - Zhuo Chen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - Yi Li
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - Kang Xiong
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - Jing Jin
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China
| | - ShaoZhi Fu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, 646000, Sichuan, People's Republic of China.,Department of Oncology, Academician (Expert) Workstation of Sichuan Province, Luzhou, Sichuan, 646000, People's Republic of China
| | - JingBo Wu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, 646000, Sichuan, People's Republic of China.,Department of Oncology, Academician (Expert) Workstation of Sichuan Province, Luzhou, Sichuan, 646000, People's Republic of China
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Chariou PL, Beiss V, Ma Y, Steinmetz NF. In situ vaccine application of inactivated CPMV nanoparticles for cancer immunotherapy. MATERIALS ADVANCES 2021; 2:1644-1656. [PMID: 34368764 PMCID: PMC8323807 DOI: 10.1039/d0ma00752h] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 01/26/2021] [Indexed: 05/24/2023]
Abstract
Cowpea mosaic virus (CPMV) is currently in the development pipeline for multiple biomedical applications, including cancer immunotherapy. In particular the application of CPMV as in situ vaccine has shown promise; here the plant viral nanoparticle is used as an adjuvant and is injected directly into a tumor to reverse immunosuppression and prime systemic anti-tumor immunity. Efficacy of this CPMV-based cancer immunotherapy has been demonstrated in multiple tumor mouse models and canine cancer patients. However, while CPMV is non-infectious to mammals, it is infectious to legumes and therefore, from a safety perspective, it is desired to develop non-infectious CPMV formulations. Non-infectious virus-like particles of CPMV devoid of nucleic acids have been produced; nevertheless, efficacy of such empty CPMV nanoparticles does not match efficacy of nucleic acid-laden CPMV. The multivalent capsid activates the innate immune system through pathogen pattern recognition receptors (PRRs) such as toll-like receptors (TLRs); the RNA cargo provides additional signaling through TLR-7/8, which boosts the efficacy of this adjuvant. Therefore, in this study, we set out to develop RNA-laden, but non-infectious CPMV. We report inactivation of CPMV using UV light and chemical inactivation using β-propiolactone (βPL) or formalin. 7.5 J cm-2 UV, 50 mM βPL or 1 mM formalin was determined to be sufficient to inactivate CPMV and prevented plant infection. We compared the immunogenicity of native CPMV and inactivated CPMV formulations in vitro and in vivo using RAW-Blue™ reporter cells and a murine syngeneic, orthotropic melanoma model (using B16F10 cells and C57BL6 mice). While the in vitro assay indicated activation of the RAW-Blue™ reporter cells by formaldehyde and UV-inactivated CPMV at levels comparable to native CPMV; βPL-inactivated CPMV appeared to have diminished activity. Tumor mouse model experiments indicate potent efficacy of the chemically-inactivated CPMV (UV-treated CPMV was not tested) leading to tumor regression and increased survival; efficacy was somewhat reduced when compared to CPMV, however these samples outperformed the empty CPMV nanoparticles. These results will facilitate the translational development of safe and potent CPMV-based cancer immunotherapies.
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Affiliation(s)
- Paul L. Chariou
- Department of Bioengineering, University of California-San DiegoLa JollaCA 92039USA
| | - Veronique Beiss
- Department of NanoEngineering, University of California-San DiegoLa JollaCA 92039USA
| | - Yifeng Ma
- Department of NanoEngineering, University of California-San DiegoLa JollaCA 92039USA
| | - Nicole F. Steinmetz
- Department of Bioengineering, University of California-San DiegoLa JollaCA 92039USA
- Department of NanoEngineering, University of California-San DiegoLa JollaCA 92039USA
- Department of Radiology, University of California-San DiegoLa JollaCA 92039USA
- Moores Cancer Center, University of California-San DiegoLa JollaCA 92039USA
- Center for Nano-ImmunoEngineering, University of California-San DiegoLa JollaCA 92039USA
- Institute for Materials Discovery and Design, University of California-San DiegoLa JollaCA 92039USA
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Nooraei S, Bahrulolum H, Hoseini ZS, Katalani C, Hajizade A, Easton AJ, Ahmadian G. Virus-like particles: preparation, immunogenicity and their roles as nanovaccines and drug nanocarriers. J Nanobiotechnology 2021; 19:59. [PMID: 33632278 PMCID: PMC7905985 DOI: 10.1186/s12951-021-00806-7] [Citation(s) in RCA: 302] [Impact Index Per Article: 100.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/15/2021] [Indexed: 12/24/2022] Open
Abstract
Virus-like particles (VLPs) are virus-derived structures made up of one or more different molecules with the ability to self-assemble, mimicking the form and size of a virus particle but lacking the genetic material so they are not capable of infecting the host cell. Expression and self-assembly of the viral structural proteins can take place in various living or cell-free expression systems after which the viral structures can be assembled and reconstructed. VLPs are gaining in popularity in the field of preventive medicine and to date, a wide range of VLP-based candidate vaccines have been developed for immunization against various infectious agents, the latest of which is the vaccine against SARS-CoV-2, the efficacy of which is being evaluated. VLPs are highly immunogenic and are able to elicit both the antibody- and cell-mediated immune responses by pathways different from those elicited by conventional inactivated viral vaccines. However, there are still many challenges to this surface display system that need to be addressed in the future. VLPs that are classified as subunit vaccines are subdivided into enveloped and non- enveloped subtypes both of which are discussed in this review article. VLPs have also recently received attention for their successful applications in targeted drug delivery and for use in gene therapy. The development of more effective and targeted forms of VLP by modification of the surface of the particles in such a way that they can be introduced into specific cells or tissues or increase their half-life in the host is likely to expand their use in the future. Recent advances in the production and fabrication of VLPs including the exploration of different types of expression systems for their development, as well as their applications as vaccines in the prevention of infectious diseases and cancers resulting from their interaction with, and mechanism of activation of, the humoral and cellular immune systems are discussed in this review.
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Affiliation(s)
- Saghi Nooraei
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P. O. BOX: 14155-6343, Tehran, 1497716316, Iran
| | - Howra Bahrulolum
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P. O. BOX: 14155-6343, Tehran, 1497716316, Iran
| | - Zakieh Sadat Hoseini
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P. O. BOX: 14155-6343, Tehran, 1497716316, Iran
| | - Camellia Katalani
- Sari Agriculture Science and Natural Resource University (SANRU), Genetics and Agricultural Biotechnology Institute of Tabarestan (GABIT), Sari, Iran
| | - Abbas Hajizade
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Andrew J Easton
- School of Life Sciences, Gibbet Hill Campus, University of Warwick, Coventry, UK.
| | - Gholamreza Ahmadian
- Department of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P. O. BOX: 14155-6343, Tehran, 1497716316, Iran.
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Stump CT, Ho G, Mao C, Veliz FA, Beiss V, Fields J, Steinmetz NF, Fiering S. Remission-Stage Ovarian Cancer Cell Vaccine with Cowpea Mosaic Virus Adjuvant Prevents Tumor Growth. Cancers (Basel) 2021; 13:627. [PMID: 33562450 PMCID: PMC7915664 DOI: 10.3390/cancers13040627] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/30/2021] [Accepted: 02/01/2021] [Indexed: 12/21/2022] Open
Abstract
Ovarian cancer is the deadliest gynecological malignancy. Though most patients enter remission following initial interventions, relapse is common and often fatal. Accordingly, there is a substantial need for ovarian cancer therapies that prevent relapse. Following remission generated by surgical debulking and chemotherapy, but prior to relapse, resected and inactivated tumor tissue could be used as a personalized vaccine antigen source. The patient's own tumor contains relevant antigens and, when combined with the appropriate adjuvant, could generate systemic antitumor immunity to prevent relapse. Here, we model this process in mice to investigate the optimal tumor preparation and vaccine adjuvant. Cowpea mosaic virus (CPMV) has shown remarkable efficacy as an immunostimulatory cancer therapy in ovarian cancer mouse models, so we use CPMV as an adjuvant in a prophylactic vaccine against a murine ovarian cancer model. Compared to its codelivery with tumor antigens prepared in three other ways, we show that CPMV co-delivered with irradiated ovarian cancer cells constitutes an effective prophylactic vaccine against a syngeneic model of ovarian cancer in C57BL/6J mice. Following two vaccinations, 72% of vaccinated mice reject tumor challenges, and all those mice survived subsequent rechallenges, demonstrating immunologic memory formation. This study supports remission-stage vaccines using irradiated patient tumor tissue as a promising option for treating ovarian cancer, and validates CPMV as an antitumor vaccine adjuvant for that purpose.
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Affiliation(s)
- Courtney T. Stump
- Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA;
| | - Gregory Ho
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Lebanon, NH 03756, USA; (G.H.); (C.M.)
| | - Chenkai Mao
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Lebanon, NH 03756, USA; (G.H.); (C.M.)
| | - Frank A. Veliz
- School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA;
| | - Veronique Beiss
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA 92093, USA; (V.B.); (N.F.S.)
| | - Jennifer Fields
- Norris Cotton Cancer Center, Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA;
| | - Nicole F. Steinmetz
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA 92093, USA; (V.B.); (N.F.S.)
- Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
- Department of Radiology, University of California, San Diego, La Jolla, CA 92093, USA
- Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA
- Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
- Institute for Materials Discovery and Design, University of California, San Diego, La Jolla, CA 92093, USA
| | - Steven Fiering
- Department of Microbiology and Immunology, Geisel School of Medicine, Dartmouth College, Lebanon, NH 03756, USA; (G.H.); (C.M.)
- Norris Cotton Cancer Center, Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA;
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Ojha SK, Pattnaik R, Singh PK, Dixit S, Mishra S, Pal S, Kumar S. Virus as nanocarrier for drug delivery redefining medical therapeutics - A status report. Comb Chem High Throughput Screen 2020; 25:1619-1629. [PMID: 33342404 DOI: 10.2174/1386207323666201218115850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 12/06/2020] [Accepted: 12/07/2020] [Indexed: 11/22/2022]
Abstract
Over the last two decades, drug delivery systems have evolved at a tremendous rate. Synthetic nanoparticles have played an important role in the design of vaccine and their delivery as many of them have shown improved safety and efficacy over conventional formulations. Nanocarriers formulated by natural, biological building blocks have become an important tool in the field biomedicine. A successful nanocarrier must have certain properties like evading the host immune system, target specificity, cellular entry, escape from endosomes, and ability to release material into the cytoplasm. Some or all of these functions can be performed by viruses making them a suitable candidate for naturally occurring nanocarriers. Moreover, viruses can be made non-infectious and non-replicative without compromising their ability to penetrate cells thus making them useful for a vast spectrum of applications. Currently, various carrier molecules are under different stages of development to become bio-nano capsules. This review covers the advances made in the field of viruses as potential nanocarriers and discusses the related technologies and strategies to target specific cells by using virus inspired nanocarriers. In future, these virus-based nano-formulations will be able to provide solutions towards pressing and emerging infectious diseases.
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Affiliation(s)
- Sanjay Kumar Ojha
- Pandorum Technologies Pvt. Ltd., Bangalore Bioinnovation Centre, Helix Biotech Park, Electronic City Phase 1, Bengaluru - 560 100. India
| | - Ritesh Pattnaik
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-beUniversity, Bhubaneswar 751 024. India
| | - Puneet Kumar Singh
- Bioenergy Lab and BDTC, School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-be-University, Bhubaneswar 751 024. India
| | - Shubha Dixit
- School of Pharmacy, Lloyd Institute of Management and Technology, PlotNo.11, Knowledge Park II Greater Noida- 201310. India
| | - Snehasish Mishra
- Bioenergy Lab and BDTC, School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-be-University, Bhubaneswar 751 024. India
| | - Sreyasi Pal
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-beUniversity, Bhubaneswar 751 024. India
| | - Subrat Kumar
- School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) Deemed-to-beUniversity, Bhubaneswar 751 024. India
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Shukla S, Wang C, Beiss V, Cai H, Washington T, Murray AA, Gong X, Zhao Z, Masarapu H, Zlotnick A, Fiering S, Steinmetz NF. The unique potency of Cowpea mosaic virus (CPMV) in situ cancer vaccine. Biomater Sci 2020; 8:5489-5503. [PMID: 32914796 PMCID: PMC8086234 DOI: 10.1039/d0bm01219j] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The immunosuppressive tumor microenvironment enables cancer to resist immunotherapies. We have established that intratumoral administration of plant-derived Cowpea mosaic virus (CPMV) nanoparticles as an in situ vaccine overcomes the local immunosuppression and stimulates a potent anti-tumor response in several mouse cancer models and canine patients. CPMV does not infect mammalian cells but acts as a danger signal that leads to the recruitment and activation of innate and subsequently, adaptive immune cells. In the present study we addressed whether other icosahedral viruses or virus-like particles (VLPs) of plant, bacteriophage and mammalian origin can be similarly employed as intratumoral immunotherapy. Our results indicate that CPMV in situ vaccine outperforms Cowpea chlorotic mottle virus (CCMV), Physalis mosaic virus (PhMV), Sesbania mosaic virus (SeMV), bacteriophage Qβ VLPs, or Hepatitis B virus capsids (HBVc). Furthermore, ex vivo and in vitro assays reveal unique features of CPMV that makes it an inherently stronger immune stimulant.
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Affiliation(s)
- Sourabh Shukla
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92039, USA.
| | - Chao Wang
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92039, USA.
| | - Veronique Beiss
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92039, USA.
| | - Hui Cai
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92039, USA.
| | - Torus Washington
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92039, USA.
| | - Abner A Murray
- Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Xingjian Gong
- Department of Bioengineering, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Zhongchao Zhao
- Molecular and Cellular Biochemistry Department, Indiana University Bloomington, IN 47405, USA
| | - Hema Masarapu
- Department of Virology, Sri Venkateswara University, Tirupati 517502, India
| | - Adam Zlotnick
- Molecular and Cellular Biochemistry Department, Indiana University Bloomington, IN 47405, USA
| | - Steven Fiering
- Geisel School of Medicine, Dartmouth College, Lebanon, NH 03756, USA
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92039, USA. and Department of Bioengineering, University of California-San Diego, La Jolla, CA 92039, USA and Department of Radiology, University of California-San Diego, La Jolla, CA 92039, USA and Moores Cancer Center, University of California-San Diego, La Jolla, CA 92039, USA and Center for Nano-ImmunoEngineering, University of California-San Diego, La Jolla, CA 92039, USA
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Shukla S, Hu H, Cai H, Chan SK, Boone CE, Beiss V, Chariou PL, Steinmetz NF. Plant Viruses and Bacteriophage-Based Reagents for Diagnosis and Therapy. Annu Rev Virol 2020; 7:559-587. [PMID: 32991265 PMCID: PMC8018517 DOI: 10.1146/annurev-virology-010720-052252] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Viral nanotechnology exploits the prefabricated nanostructures of viruses, which are already abundant in nature. With well-defined molecular architectures, viral nanocarriers offer unprecedented opportunities for precise structural and functional manipulation using genetic engineering and/or bio-orthogonal chemistries. In this manner, they can be loaded with diverse molecular payloads for targeted delivery. Mammalian viruses are already established in the clinic for gene therapy and immunotherapy, and inactivated viruses or virus-like particles have long been used as vaccines. More recently, plant viruses and bacteriophages have been developed as nanocarriers for diagnostic imaging, vaccine and drug delivery, and combined diagnosis/therapy (theranostics). The first wave of these novel virus-based tools has completed clinical development and is poised to make an impact on clinical practice.
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Affiliation(s)
- Sourabh Shukla
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
| | - He Hu
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
| | - Hui Cai
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
| | - Soo-Khim Chan
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
| | - Christine E Boone
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
| | - Veronique Beiss
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
| | - Paul L Chariou
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
| | - Nicole F Steinmetz
- Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093, USA
- Department of Radiology, University of California, San Diego, La Jolla, California 92093, USA
- Department of Bioengineering, University of California, San Diego, La Jolla, California 92093, USA
- Moores Cancer Center and Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, California 92093, USA;
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Abdou P, Wang Z, Chen Q, Chan A, Zhou DR, Gunadhi V, Gu Z. Advances in engineering local drug delivery systems for cancer immunotherapy. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1632. [PMID: 32255276 PMCID: PMC7725287 DOI: 10.1002/wnan.1632] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 03/03/2020] [Accepted: 03/04/2020] [Indexed: 12/13/2022]
Abstract
Cancer immunotherapy aims to leverage the immune system to suppress the growth of tumors and to inhibit metastasis. The recent promising clinical outcomes associated with cancer immunotherapy have prompted research and development efforts towards enhancing the efficacy of immune checkpoint blockade, cancer vaccines, cytokine therapy, and adoptive T cell therapy. Advancements in biomaterials, nanomedicine, and micro-/nano-technology have facilitated the development of enhanced local delivery systems for cancer immunotherapy, which can enhance treatment efficacy while minimizing toxicity. Furthermore, locally administered cancer therapies that combine immunotherapy with chemotherapy, radiotherapy, or phototherapy have the potential to achieve synergistic antitumor effects. Herein, the latest studies on local delivery systems for cancer immunotherapy are surveyed, with an emphasis on the therapeutic benefits associated with the design of biomaterials and nanomedicines. This article is categorized under: Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
- Peter Abdou
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, California NanoSystems Institute, and Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA 90095, USA
| | - Zejun Wang
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, California NanoSystems Institute, and Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA 90095, USA
| | - Qian Chen
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren’ai Road, Suzhou, 215123, Jiangsu, PR China
| | - Amanda Chan
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, California NanoSystems Institute, and Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA 90095, USA
| | - Daojia R. Zhou
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, California NanoSystems Institute, and Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA 90095, USA
| | - Vivienne Gunadhi
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
| | - Zhen Gu
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, California NanoSystems Institute, and Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA 90095, USA
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Boone CE, Wang C, Lopez-Ramirez MA, Beiss V, Shukla S, Chariou PL, Kupor D, Rueda R, Wang J, Steinmetz NF. Active Microneedle Administration of Plant Virus Nanoparticles for Cancer in situ Vaccination Improves Immunotherapeutic Efficacy. ACS APPLIED NANO MATERIALS 2020; 3:8037-8051. [PMID: 33969278 PMCID: PMC8101548 DOI: 10.1021/acsanm.0c01506] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The solid tumor microenvironment (TME) poses a significant structural and biochemical barrier to immunotherapeutic agents. To address the limitations of tumor penetration and distribution, and to enhance antitumor efficacy of immunotherapeutics, we present here an autonomous active microneedle (MN) system for the direct intratumoral (IT) delivery of a potent immunoadjuvant, cowpea mosaic virus nanoparticles (CPMV) in vivo. In this active delivery system, magnesium (Mg) microparticles embedded into active MNs react with the interstitial fluid in the TME, generating a propulsive force to drive the nanoparticle payload into the tumor. Active delivery of CPMV payload into B16F10 melanomas in vivo demonstrated substantially more pronounced tumor regression and prolonged survival of tumor-bearing mice compared to that of passive MNs and conventional needle injection. Active MN administration of CPMV also enhanced local innate and systemic adaptive antitumor immunity. Our approach represents an elaboration of conventional CPMV in situ vaccination, highlighting substantial immune-mediated antitumor effects and improved therapeutic efficacy that can be achieved through an active and autonomous delivery system-mediated CPMV in situ vaccination.
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Affiliation(s)
- Christine E. Boone
- Department of Radiology, UC San Diego Health, University of California, San Diego, La Jolla California 92093, United States
| | - Chao Wang
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Miguel Angel Lopez-Ramirez
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Veronique Beiss
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Sourabh Shukla
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Paul L. Chariou
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Daniel Kupor
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Ricardo Rueda
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
| | - Joseph Wang
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
- Center for Nano-ImmunoEngineering (nanoIE), University of California, San Diego, La Jolla, California 92093, United States
| | - Nicole F. Steinmetz
- Department of Radiology, UC San Diego Health, University of California, San Diego, La Jolla California 92093, United States
- Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, United States
- Department of Bioengineering, University of California, San Diego, La Jolla, California 92093, United States
- Moores Cancer Center, UC San Diego Health, University of California, San Diego, La Jolla, California 92093, United States
- Center for Nano-ImmunoEngineering (nanoIE), University of California, San Diego, La Jolla, California 92093, United States
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Wang C, Steinmetz NF. A Combination of Cowpea Mosaic Virus and Immune Checkpoint Therapy Synergistically Improves Therapeutic Efficacy in Three Tumor Models. ADVANCED FUNCTIONAL MATERIALS 2020; 30:2002299. [PMID: 34366758 PMCID: PMC8340625 DOI: 10.1002/adfm.202002299] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 03/30/2020] [Indexed: 05/20/2023]
Abstract
Immune checkpoint therapy (ICT) has the potential to treat cancer by removing the immunosuppressive brakes on T cell activity. However, ICT benefits only a subset of patients because most tumors are "cold", with limited pre-infiltration of effector T cells, poor immunogenicity, and low-level expression of checkpoint regulators. It has been previously reported that Cowpea mosaic virus (CPMV) promotes the activation of multiple innate immune cells and the secretion of pro-inflammatory cytokines to induce T cell cytotoxicity, suggesting that immunostimulatory CPMV could potentiate ICT. Here it is shown that in situ vaccination with CPMV increases the expression of checkpoint regulators on Foxp3-CD4+ effector T cells in the tumor microenvironment. It is shown that combined treatment with CPMV and selected checkpoint-targeting antibodies, specifically anti-PD-1 antibodies, or agonistic OX40-specific antibodies, reduced tumor burden, prolonged survival, and induced tumor antigen-specific immunologic memory to prevent relapse in three immunocompetent syngeneic mouse tumor models. This study therefore reveals new design principles for plant virus nanoparticles as novel immunotherapeutic adjuvants to elicit robust immune responses against cancer.
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Affiliation(s)
- Chao Wang
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Nicole F Steinmetz
- Department of NanoEngineering, Bioengineering, Radiology, Moores Cancer Center, Center for Nano-Immunoengineering, University of California San Diego, La Jolla, CA 92093, USA
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42
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Chung YH, Cai H, Steinmetz NF. Viral nanoparticles for drug delivery, imaging, immunotherapy, and theranostic applications. Adv Drug Deliv Rev 2020; 156:214-235. [PMID: 32603813 PMCID: PMC7320870 DOI: 10.1016/j.addr.2020.06.024] [Citation(s) in RCA: 193] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/19/2020] [Accepted: 06/21/2020] [Indexed: 02/06/2023]
Abstract
Viral nanoparticles (VNPs) encompass a diverse array of naturally occurring nanomaterials derived from plant viruses, bacteriophages, and mammalian viruses. The application and development of VNPs and their genome-free versions, the virus-like particles (VLPs), for nanomedicine is a rapidly growing. VLPs can encapsulate a wide range of active ingredients as well as be genetically or chemically conjugated to targeting ligands to achieve tissue specificity. VLPs are manufactured through scalable fermentation or molecular farming, and the materials are biocompatible and biodegradable. These properties have led to a wide range of applications, including cancer therapies, immunotherapies, vaccines, antimicrobial therapies, cardiovascular therapies, gene therapies, as well as imaging and theranostics. The use of VLPs as drug delivery agents is evolving, and sufficient research must continuously be undertaken to translate these therapies to the clinic. This review highlights some of the novel research efforts currently underway in the VNP drug delivery field in achieving this greater goal.
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Affiliation(s)
- Young Hun Chung
- Department of Bioengineering, University of California-San Diego, La Jolla, CA 92093, United States
| | - Hui Cai
- Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92093, United States
| | - Nicole F Steinmetz
- Department of Bioengineering, University of California-San Diego, La Jolla, CA 92093, United States; Department of NanoEngineering, University of California-San Diego, La Jolla, CA 92093, United States; Department of Radiology, University of California-San Diego, La Jolla, CA 92093, United States; Moores Cancer Center, University of California-San Diego, La Jolla, CA 92093, United States; Center for Nano-ImmunoEngineering, University of California-San Diego, La Jolla, CA 92093, United States.
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Herbert FC, Brohlin OR, Galbraith T, Benjamin C, Reyes CA, Luzuriaga MA, Shahrivarkevishahi A, Gassensmith JJ. Supramolecular Encapsulation of Small-Ultrared Fluorescent Proteins in Virus-Like Nanoparticles for Noninvasive In Vivo Imaging Agents. Bioconjug Chem 2020; 31:1529-1536. [PMID: 32343135 DOI: 10.1021/acs.bioconjchem.0c00190] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Icosahedral virus-like particles (VLPs) derived from bacteriophages Qβ and PP7 encapsulating small-ultrared fluorescent protein (smURFP) were produced using a versatile supramolecular capsid disassemble-reassemble approach. The generated fluorescent VLPs display identical structural properties to their nonfluorescent analogs. Encapsulated smURFP shows indistinguishable photochemical properties to its unencapsulated counterpart, exhibits outstanding stability toward pH, and produces bright in vitro images following phagocytosis by macrophages. In vivo imaging allows the biodistribution to be imaged at different time points. Ex vivo imaging of intravenously administered encapsulated smURFP reveals a localization in the liver and kidneys after 2 h blood circulation and substantial elimination after 16 h of imaging, highlighting the potential application of these constructs as noninvasive in vivo imaging agents.
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Wang C, de Ávila BEF, Mundaca-Uribe R, Lopez-Ramirez MA, Ramírez-Herrera DE, Shukla S, Steinmetz NF, Wang J. Active Delivery of VLPs Promotes Anti-Tumor Activity in a Mouse Ovarian Tumor Model. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1907150. [PMID: 32329580 PMCID: PMC7507763 DOI: 10.1002/smll.201907150] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/01/2020] [Accepted: 03/17/2020] [Indexed: 05/23/2023]
Abstract
Virus-like nanoparticles (VLPs) have been used as an attractive means in cancer immunotherapy because of their unique intrinsic immunostimulatory properties. However, for treating metastatic tumors in the peritoneal cavity, such as ovarian cancer, multiple injections of therapy are needed due to the large peritoneal space and fast excretion of therapy. Here, it is reported on the development of active VLP delivery vehicles for the treatment of peritoneal ovarian tumors using biocompatible Qβ VLPs-loaded Mg-based micromotors. The autonomous propulsion of such Qβ VLPs-loaded Mg-micromotors in the peritoneal fluid enables active delivery of intact immunostimulatory Qβ VLPs to the peritoneal space of ovarian tumor bearing mice, greatly enhancing the local distribution and retention of Qβ VLPs. Such improved distribution and longer retention time of Qβ in the peritoneal cavity leads to enhanced immunostimulation and therefore increased survival rate of tumor-bearing mice compared to a passive Qβ treatment. For clinical translation, the active delivery of VLPs holds great promise for tumor immunotherapy toward the treatment of different types of primary and metastatic tumors in the peritoneal cavity.
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Affiliation(s)
- Chao Wang
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
| | | | - Rodolfo Mundaca-Uribe
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
| | | | | | - Sourabh Shukla
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Nicole F. Steinmetz
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
- Bioengineering, University of California San Diego, La Jolla, CA 92093, USA
- Radiology, University of California San Diego, La Jolla, CA 92093, USA
- Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
- Center for Nano-Immunoengineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Joseph Wang
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA
- Center for Nano-Immunoengineering, University of California San Diego, La Jolla, CA 92093, USA
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Shukla S, Wang C, Beiss V, Steinmetz NF. Antibody Response against Cowpea Mosaic Viral Nanoparticles Improves In Situ Vaccine Efficacy in Ovarian Cancer. ACS NANO 2020; 14:2994-3003. [PMID: 32133838 PMCID: PMC8085886 DOI: 10.1021/acsnano.9b07865] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Cancer immunotherapies are designed to facilitate recognition and elimination of transformed cells by the immune system. We have established the immunotherapeutic efficacy of the plant virus cowpea mosaic virus (CPMV) as an in situ vaccine in several syngeneic tumor mouse models as well as in companion dogs with metastatic melanoma. Intratumoral injection of CPMV modulates the local tumor microenvironment to relieve immunosuppression and potentiate antitumor immunity. The viral nucleocapsid that drives this antitumor immunity, however, also is a potent immunogen itself, and thus immune response in the form of anti-CPMV antibodies is expected during the treatment based on repeat administrations. Moreover, being part of the food chain, pre-existing antibodies to plant viruses may be prevalent. The presence of such pre-existing anti-CPMV immunity could potentially impact immunotherapeutic efficacy of the in situ vaccine and could have translational implications. To address such concerns, this study evaluated the efficacy of CPMV in situ vaccine in the presence of pre-existing antibodies in a syngeneic mouse model of ovarian cancer. Our results indicate that prior exposure to CPMV had no negative impact on the efficacy of CPMV in situ vaccine. Strikingly, an improved efficacy of CPMV in situ vaccine was observed. This study therefore presents an important milestone in the translational development of plant viral-based in situ vaccines and alleviates concerns about the presence of anti-CPMV antibodies, which are developed during the course of treatment but have no impact on immunotherapeutic efficacy.
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Recent Advances in the Use of Plant Virus-Like Particles as Vaccines. Viruses 2020; 12:v12030270. [PMID: 32121192 DOI: 10.3390/v12030270] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/24/2020] [Accepted: 02/26/2020] [Indexed: 12/14/2022] Open
Abstract
Vaccination is one of the most effective public health interventions of the 20th century. All vaccines can be classified into different types, such as vaccines against infectious diseases, anticancer vaccines and vaccines against autoimmune diseases. In recent decades, recombinant technologies have enabled the design of experimental vaccines against a wide range of diseases using plant viruses and virus-like particles as central elements to stimulate protective and long-lasting immune responses. The analysis of recent publications shows that at least 97 experimental vaccines have been constructed based on plant viruses, including 71 vaccines against infectious agents, 16 anticancer vaccines and 10 therapeutic vaccines against autoimmune disorders. Several plant viruses have already been used for the development of vaccine platforms and have been tested in human and veterinary studies, suggesting that plant virus-based vaccines will be introduced into clinical and veterinary practice in the near future.
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Mukherjee A, Madamsetty VS, Paul MK, Mukherjee S. Recent Advancements of Nanomedicine towards Antiangiogenic Therapy in Cancer. Int J Mol Sci 2020; 21:E455. [PMID: 31936832 PMCID: PMC7013812 DOI: 10.3390/ijms21020455] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 12/14/2022] Open
Abstract
Angiogenesis is a process of generation of de-novo blood vessels from already existing vasculature. It has a crucial role in different physiological process including wound healing, embryonic development, and tumor growth. The methods by which therapeutic drugs inhibit tumor angiogenesis are termed as anti-angiogenesis cancer therapy. Developments of angiogenic inhibiting drugs have various limitations causing a barrier for successful treatment of cancer, where angiogenesis plays an important role. In this context, investigators developed novel strategies using nanotechnological approaches that have demonstrated inherent antiangiogenic properties or used for the delivery of antiangiogenic agents in a targeted manner. In this present article, we decisively highlight the recent developments of various nanoparticles (NPs) including liposomes, lipid NPs, protein NPs, polymer NPs, inorganic NPs, viral and bio-inspired NPs for potential application in antiangiogenic cancer therapy. Additionally, the clinical perspectives, challenges of nanomedicine, and future perspectives are briefly analyzed.
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Affiliation(s)
- Anubhab Mukherjee
- Aavishkar Oral Strips Pvt Ltd., 109/3, IDA, Phase 2, Sector 2, Lane 6, Cherlapally, Hyderabad 500051, India;
| | - Vijay Sagar Madamsetty
- Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine and Science, Jacksonville, FL 32224, USA;
| | - Manash K. Paul
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, The University of California, Los Angeles (UCLA), Factor Bldg. 10-240, 621 Charles E. Young Dr., Los Angeles, CA 90095, USA
| | - Sudip Mukherjee
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
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Nuñez-Rivera A, Fournier PGJ, Arellano DL, Rodriguez-Hernandez AG, Vazquez-Duhalt R, Cadena-Nava RD. Brome mosaic virus-like particles as siRNA nanocarriers for biomedical purposes. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:372-382. [PMID: 32175217 PMCID: PMC7059527 DOI: 10.3762/bjnano.11.28] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/07/2020] [Indexed: 05/06/2023]
Abstract
There is an increasing interest in the use of plant viruses as vehicles for anti-cancer therapy. In particular, the plant virus brome mosaic virus (BMV) and cowpea chlorotic mottle virus (CCMV) are novel potential nanocarriers for different therapies in nanomedicine. In this work, BMV and CCMV were loaded with a fluorophore and assayed on breast tumor cells. The viruses BMV and CCMV were internalized into breast tumor cells. Both viruses, BMV and CCMV, did not show cytotoxic effects on tumor cells in vitro. However, only BMV did not activate macrophages in vitro. This suggests that BMV is less immunogenic and may be a potential carrier for therapy delivery in tumor cells. Furthermore, BMV virus-like particles (VLPs) were efficiently loaded with small interfering RNA (siRNA) without packaging signal. The gene silencing was demonstrated by VLPs loaded with siGFP and tested on breast tumor cells that constitutively express the green fluorescent protein (GPF). After VLP-siGFP treatment, GFP expression was efficiently inhibited corroborating the cargo release inside tumor cells and the gene silencing. In addition, BMV VLP carring siAkt1 inhibited the tumor growth in mice. These results show the attractive potential of plant virus VLPs to deliver molecular therapy to tumor cells with low immunogenic response.
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Affiliation(s)
- Alfredo Nuñez-Rivera
- Centro de Nanociencias y Nanotecnología - Universidad Nacional Autónoma de México (UNAM) – Ensenada, Baja California, México
- Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, (CICESE), Ensenada, Baja California, México
| | - Pierrick G J Fournier
- Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, (CICESE), Ensenada, Baja California, México
| | - Danna L Arellano
- Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, (CICESE), Ensenada, Baja California, México
| | - Ana G Rodriguez-Hernandez
- Centro de Nanociencias y Nanotecnología - Universidad Nacional Autónoma de México (UNAM) – Ensenada, Baja California, México
| | - Rafael Vazquez-Duhalt
- Centro de Nanociencias y Nanotecnología - Universidad Nacional Autónoma de México (UNAM) – Ensenada, Baja California, México
| | - Ruben D Cadena-Nava
- Centro de Nanociencias y Nanotecnología - Universidad Nacional Autónoma de México (UNAM) – Ensenada, Baja California, México
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49
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Mitarotonda R, Giorgi E, Desimone MF, De Marzi MC. Nanoparticles and Immune Cells. Curr Pharm Des 2019; 25:3960-3982. [DOI: 10.2174/1381612825666190926161209] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 09/17/2019] [Indexed: 02/07/2023]
Abstract
Nanoparticles have gained ground in several fields. However, it is important to consider their potentially
hazardous effects on humans, flora, and fauna. Human exposure to nanomaterials can occur unintentionally
in daily life or in industrial settings, and the continuous exposure of the biological components (cells, receptors,
proteins, etc.) of the immune system to these particles can trigger an unwanted immune response (activation or
suppression). Here, we present different studies that have been carried out to evaluate the response of immune
cells in the presence of nanoparticles and their possible applications in the biomedical field.
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Affiliation(s)
- Romina Mitarotonda
- Laboratorio de Inmunologia, Instituto de Ecologia y Desarrollo Sustentable (INEDES) UNLu-CONICET, Buenos Aires, Argentina
| | - Exequiel Giorgi
- Laboratorio de Inmunologia, Instituto de Ecologia y Desarrollo Sustentable (INEDES) UNLu-CONICET, Buenos Aires, Argentina
| | - Martín F. Desimone
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Tecnicas (CONICET), Instituto de la Quimica y Metabolismo del Farmaco (IQUIMEFA), Facultad de Farmacia y Bioquimica, Buenos Aires, Argentina
| | - Mauricio C. De Marzi
- Laboratorio de Inmunologia, Instituto de Ecologia y Desarrollo Sustentable (INEDES) UNLu-CONICET, Buenos Aires, Argentina
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