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Zhao D, Tu ATT, Shobo M, Le NBT, Yoshikawa C, Sugai K, Hakamata Y, Yamazaki T. Non-Modified CpG Oligodeoxynucleotide Forming Guanine-Quadruplex Structure Complexes with ε-Poly- L-Lysine Induce Antibody Production as Vaccine Adjuvants. Biomolecules 2022; 12:biom12121868. [PMID: 36551297 PMCID: PMC9775190 DOI: 10.3390/biom12121868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Unmethylated cytosine-phosphate-guanosine oligodeoxynucleotides (CpG ODNs) induce inflammatory cytokines and type I interferons (IFNs) to activate the immune system. To apply CpG ODNs as vaccine adjuvants, the cellular uptake and stability of phosphodiester-based, non-modified ODNs require further improvement. Previously developed new CpG ODNs forming guanine-quadruplex (G4) structures showed higher nuclease resistance and cellular uptake than linear CpG ODNs; however, the complex formation of G4-CpG ODNs with antigen proteins is necessary for their application as vaccine adjuvants. In this study, we utilized a cationic polymer, ε-poly-L-lysine (ε-PLL), as a carrier for G4-CpG ODNs and antigen. The ε-PLL/G4-CpG ODN complex exhibited enhanced stability against nucleases. Cellular uptake of the ε-PLL/G4-CpG ODN complex positively correlated with the N/P ratio. In comparison to naked G4-CpG ODNs, the ε-PLL/G4-CpG ODN complex induced extremely high levels of interleukin (IL)-6, IL-12, and IFN-β. Relative immune cytokine production was successfully tuned by N/P ratio modification. Mice with the ε-PLL/G4-CpG ODN/ovalbumin (OVA) complex showed increased OVA-specific immunoglobulin (Ig)G, IgG1, and IgG2c levels, whereas total IgE levels did not increase and weight gain rates were not affected. Therefore, ε-PLL can serve as a safe and effective phosphodiester-based, non-modified CpG ODN delivery system, and the ε-PLL/G4-CpG ODN/antigen complex is a highly promising candidate for vaccine adjuvants and can be further used in clinical research.
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Affiliation(s)
- Dandan Zhao
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-2-1, Sengen, Tsukuba 305-0047, Japan
| | - Anh Thi Tram Tu
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-2-1, Sengen, Tsukuba 305-0047, Japan
- Division of Life Science, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0808, Japan
- Department of Magnetic and Biomedical Materials, Faculty of Materials Science and Technology, University of Science, 227 Nguyen Van Cu Street, Ward 4, District 5, Ho Chi Minh City 70000, Vietnam
- Ho Chi Minh City Campus, Vietnam National University, Linh Trung Ward, Thu Duc City, Ho Chi Minh City 70000, Vietnam
| | - Miwako Shobo
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-2-1, Sengen, Tsukuba 305-0047, Japan
| | - Nguyen Bui Thao Le
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-2-1, Sengen, Tsukuba 305-0047, Japan
- Division of Life Science, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0808, Japan
| | - Chiaki Yoshikawa
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-2-1, Sengen, Tsukuba 305-0047, Japan
| | - Kazuhisa Sugai
- School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, 1-7-1 Kyonancho, Musashino-shi, Tokyo 180-8602, Japan
| | - Yoji Hakamata
- School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, 1-7-1 Kyonancho, Musashino-shi, Tokyo 180-8602, Japan
| | - Tomohiko Yamazaki
- Research Center for Functional Materials (RCFM), National Institute for Materials Science (NIMS), 1-2-1, Sengen, Tsukuba 305-0047, Japan
- Division of Life Science, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0808, Japan
- Correspondence: ; Tel.: +81-29-859-2345; Fax: +81-29-859-2449
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Chitosan/Calcium-Coated Ginsenoside Rb1 Phosphate Flower-like Microparticles as an Adjuvant to Enhance Immune Responses. Vet Sci 2022; 9:vetsci9070355. [PMID: 35878372 PMCID: PMC9316975 DOI: 10.3390/vetsci9070355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/02/2022] [Accepted: 07/09/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary The field-level control over IBD is primarily via vaccination. The development of high effective IBV vaccine has drawing great attentions worldwide. Herein, the GRb1 was encap-sulated into Calcium phosphate and chitosan core-structure nanoparticles microspheres, which con-stitute a novel system for nanoparticle delivery (GRb1/IL-4@CS/Cap). The new nano-adjuvant de-livery system could induce the activation of chicken dendritic cells ( DCs ), with up-regulate the expression of MHC II and CD80, and increase the production of IL-1β and TNF-α. At the same time, it can trigger higher levels of IBDV-specific IgG and higher IgG2a/IgG1 ratio, and promote the production of IFN-γ, TNF-α, IL-4, IL-6, IL-1α, and IL-1βand other cytokines in chicken serum after vaccination, it provides an effective adjuvant system for the development of chicken IBDV attenu-ated vaccine. Abstract Infectious bursal disease (IBD) is a highly contagious immunocompromising disorder that caused great economic losses in the poultry industry. The field-level control over IBD is primarily via vaccination. The development of a highly effective IBV vaccine has drawn great attention worldwide. Chitosan/Calcium Phosphate (CS/CaP) nanoparticle was a newly developed effective biological delivery system for drug and antigen. Ginsenoside Rb1 is one of the main bioactive components of ginseng root extract, which has antioxidant, anti-inflammatory and immunological enhancement effects. Until now, the combined effect of CS/CaP and ginsenoside Rb1 on the chicken immune response had remained unknown. In this study, the GRb1 and IL-4 were encapsulated into Calcium phosphate and chitosan core structure nanoparticles microspheres (GRb1/IL-4@CS/CaP), and the effect of a newly developed delivery system on an infectious bursal disease virus (IBDV) attenuated vaccine was further evaluated. The results demonstrated that GRb1/IL-4@CS/CaP treatment could induce the activation of chicken dendritic cells (DCs), with the upregulated expression of MHCII and CD80, and the increased production of IL-1β and TNF-α. Importantly, GRb1/IL-4@CS/CaP could trigger a higher level of IBDV-specific IgG and a higher ratio of IgG2a/IgG1 than the traditional adjuvant groups, promoting the production of cytokine, including IFN-γ, TNF-α, IL-4, IL-6, IL-1α, and IL-1β, in chicken serum after 28 d and 42 d post-vaccine. Taken in all, GRb1/IL-4@CS/CaP could elicit prolonged vigorous immune responses for IBDV attenuated vaccine in chicken, which might provide an effective adjuvant system for avian vaccine development.
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Safitri FA, Tu ATT, Hoshi K, Shobo M, Zhao D, Witarto AB, Sumarsono SH, Giri-Rachman EA, Tsukakoshi K, Ikebukuro K, Yamazaki T. Enhancement of the Immunostimulatory Effect of Phosphodiester CpG Oligodeoxynucleotides by an Antiparallel Guanine-Quadruplex Structural Scaffold. Biomolecules 2021; 11:1617. [PMID: 34827615 PMCID: PMC8615816 DOI: 10.3390/biom11111617] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/20/2021] [Accepted: 10/27/2021] [Indexed: 02/07/2023] Open
Abstract
Guanine-quadruplex-based CpG oligodeoxynucleotides (G4 CpG ODNs) have been developed as potent immunostimulatory agents with reduced sensitivity to nucleases. We designed new monomeric G4 ODNs with an antiparallel topology using antiparallel type duplex/G4 ODNs as robust scaffolds, and we characterized their topology and effects on cytokine secretion. Based on circular dichroism analysis and quantification of mRNA levels of immunostimulatory cytokines, it was found that monomeric antiparallel G4 CpG ODNs containing two CpG motifs in the first functional loop, named G2.0.0, could maintain antiparallel topology and generate a high level of immunostimulatory cytokines in RAW264 mouse macrophage-like cell lines. We also found that the flanking sequence in the CpG motif altered the immunostimulatory effects. Gc2c.0.0 and Ga2c.0.0 are monomeric antiparallel G4 CpG ODNs with one cytosine in the 3' terminal and one cytosine/adenine in the 5' terminal of CpG motifs that maintained the same resistance to degradation in serum as G2.0.0 and improved interleukin-6 production in RAW264 and bone marrow-derived macrophages. The immunostimulatory activity of antiparallel G4 CpG ODNs is superior to that of linear natural CpG ODNs. These results provide insights for the rational design of highly potent CpG ODNs using antiparallel G4 as a robust scaffold.
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Affiliation(s)
- Fika Ayu Safitri
- Doctoral Program in Biology, School of Life Sciences and Technology, Institut Teknologi Bandung (ITB), Bandung 40132, West Java, Indonesia;
- Research Center for Functional Materials, National Institute for Materials Science, 1-2-1, Sengen, Tsukuba 305-0047, Japan; (A.T.T.T.); (K.H.); (M.S.); (D.Z.)
| | - Anh Thi Tram Tu
- Research Center for Functional Materials, National Institute for Materials Science, 1-2-1, Sengen, Tsukuba 305-0047, Japan; (A.T.T.T.); (K.H.); (M.S.); (D.Z.)
- Division of Life Science, Graduate School of Life Science, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0808, Japan
| | - Kazuaki Hoshi
- Research Center for Functional Materials, National Institute for Materials Science, 1-2-1, Sengen, Tsukuba 305-0047, Japan; (A.T.T.T.); (K.H.); (M.S.); (D.Z.)
| | - Miwako Shobo
- Research Center for Functional Materials, National Institute for Materials Science, 1-2-1, Sengen, Tsukuba 305-0047, Japan; (A.T.T.T.); (K.H.); (M.S.); (D.Z.)
| | - Dandan Zhao
- Research Center for Functional Materials, National Institute for Materials Science, 1-2-1, Sengen, Tsukuba 305-0047, Japan; (A.T.T.T.); (K.H.); (M.S.); (D.Z.)
| | - Arief Budi Witarto
- Department of Molecular Biology and Biochemistry, Faculty of Medicine, Indonesia Defense University, Bogor 16810, West Java, Indonesia;
| | - Sony Heru Sumarsono
- Physiology, Developmental Biology and Biomedical Sciences Research Group, School of Life Sciences and Technology, ITB, Bandung 40132, West Java, Indonesia; (S.H.S.); (E.A.G.-R.)
| | - Ernawati Arifin Giri-Rachman
- Physiology, Developmental Biology and Biomedical Sciences Research Group, School of Life Sciences and Technology, ITB, Bandung 40132, West Java, Indonesia; (S.H.S.); (E.A.G.-R.)
| | - Kaori Tsukakoshi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei 184-8588, Japan; (K.T.); (K.I.)
| | - Kazunori Ikebukuro
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei 184-8588, Japan; (K.T.); (K.I.)
| | - Tomohiko Yamazaki
- Research Center for Functional Materials, National Institute for Materials Science, 1-2-1, Sengen, Tsukuba 305-0047, Japan; (A.T.T.T.); (K.H.); (M.S.); (D.Z.)
- Division of Life Science, Graduate School of Life Science, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo 060-0808, Japan
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Mao L, Chen Z, Wang Y, Chen C. Design and application of nanoparticles as vaccine adjuvants against human corona virus infection. J Inorg Biochem 2021; 219:111454. [PMID: 33878530 PMCID: PMC8007196 DOI: 10.1016/j.jinorgbio.2021.111454] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 03/08/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022]
Abstract
In recent years, some viruses have caused a grave crisis to global public health, especially the human coronavirus. A truly effective vaccine is therefore urgently needed. Vaccines should generally have two features: delivering antigens and modulating immunity. Adjuvants have an unshakable position in the battle against the virus. In addition to the perennial use of aluminium adjuvant, nanoparticles have become the developing adjuvant candidates due to their unique properties. Here we introduce several typical nanoparticles and their antivirus vaccine adjuvant applications. Finally, for the combating of the coronavirus, we propose several design points, hoping to provide ideas for the development of personalized vaccines and adjuvants and accelerate the clinical application of adjuvants.
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Affiliation(s)
- Lichun Mao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Ziwei Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yaling Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, PR China; GBA National Institute for Nanotechnology Innovation, Guangdong 510700, PR China.
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China; GBA National Institute for Nanotechnology Innovation, Guangdong 510700, PR China; Research Unit of Nanoscience and Technology, Chinese Academy of Medical Sciences, Beijing 100021, PR China.
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Jin JO, Kim G, Hwang J, Han KH, Kwak M, Lee PCW. Nucleic acid nanotechnology for cancer treatment. Biochim Biophys Acta Rev Cancer 2020; 1874:188377. [PMID: 32418899 DOI: 10.1016/j.bbcan.2020.188377] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/29/2020] [Accepted: 05/07/2020] [Indexed: 12/20/2022]
Abstract
Cancer is one of the most prevalent potentially lethal diseases. With the increase in the number of investigations into the uses of nanotechnology, many nucleic acid (NA)-based nanostructures such as small interfering RNA, microRNA, aptamers, and immune adjuvant NA have been applied to treat cancer. Here, we discuss studies on the applications of NA in cancer treatment, recent research trends, and the limitations and prospects of specific NA-mediated gene therapy and immunotherapy for cancer treatment. The NA structures used for cancer therapy consist only of NA or hybrids comprising organic or inorganic substances integrated with functional NA. We also discuss delivery vehicles for therapeutic NA and anti-cancer agents, and recent trends in NA-based gene therapy and immunotherapy against cancer.
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Affiliation(s)
- Jun-O Jin
- Shanghai Public Health Clinical Center, Shanghai Medical College, Fudan University, Shanghai 201508, China; Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea.
| | - Gyurin Kim
- Department of Chemistry, Pukyong National University, Busan 48513, South Korea
| | - Juyoung Hwang
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea
| | - Kyung Ho Han
- Department of Biomedical Sciences, University of Ulsan College of Medicine, ASAN Medical Center, Seoul 05505, South Korea
| | - Minseok Kwak
- Department of Chemistry, Pukyong National University, Busan 48513, South Korea; DWI-Leibniz Institute for Interactive Materials, Aachen 52056, Germany.
| | - Peter C W Lee
- Department of Biomedical Sciences, University of Ulsan College of Medicine, ASAN Medical Center, Seoul 05505, South Korea.
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