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Lokras AG, Bobak TR, Baghel SS, Sebastiani F, Foged C. Advances in the design and delivery of RNA vaccines for infectious diseases. Adv Drug Deliv Rev 2024; 213:115419. [PMID: 39111358 DOI: 10.1016/j.addr.2024.115419] [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: 03/01/2024] [Revised: 07/19/2024] [Accepted: 07/30/2024] [Indexed: 08/23/2024]
Abstract
RNA medicines represent a paradigm shift in treatment and prevention of critical diseases of global significance, e.g., infectious diseases. The highly successful messenger RNA (mRNA) vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were developed at record speed during the coronavirus disease 2019 pandemic. A consequence of this is exceptionally shortened vaccine development times, which in combination with adaptability makes the RNA vaccine technology highly attractive against infectious diseases and for pandemic preparedness. Here, we review state of the art in the design and delivery of RNA vaccines for infectious diseases based on different RNA modalities, including linear mRNA, self-amplifying RNA, trans-amplifying RNA, and circular RNA. We provide an overview of the clinical pipeline of RNA vaccines for infectious diseases, and present analytical procedures, which are paramount for characterizing quality attributes and guaranteeing their quality, and we discuss future perspectives for using RNA vaccines to combat pathogens beyond SARS-CoV-2.
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Affiliation(s)
- Abhijeet Girish Lokras
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Denmark
| | - Thomas Rønnemoes Bobak
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Denmark
| | - Saahil Sandeep Baghel
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Denmark
| | - Federica Sebastiani
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Denmark; Division of Physical Chemistry, Department of Chemistry, Lund University, 22100, Lund, Sweden
| | - Camilla Foged
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen Ø, Denmark.
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2
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Kuzmin IV, Soto Acosta R, Pruitt L, Wasdin PT, Kedarinath K, Hernandez KR, Gonzales KA, Hill K, Weidner NG, Mire C, Engdahl TB, Moon WJ, Popov V, Crowe JE, Georgiev IS, Garcia-Blanco MA, Abbott RK, Bukreyev A. Comparison of uridine and N1-methylpseudouridine mRNA platforms in development of an Andes virus vaccine. Nat Commun 2024; 15:6421. [PMID: 39080316 PMCID: PMC11289437 DOI: 10.1038/s41467-024-50774-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 07/19/2024] [Indexed: 08/02/2024] Open
Abstract
The rodent-borne Andes virus (ANDV) causes a severe disease in humans. We developed an ANDV mRNA vaccine based on the M segment of the viral genome, either with regular uridine (U-mRNA) or N1-methylpseudouridine (m1Ψ-mRNA). Female mice immunized by m1Ψ-mRNA developed slightly greater germinal center (GC) responses than U-mRNA-immunized mice. Single cell RNA and BCR sequencing of the GC B cells revealed similar levels of activation, except an additional cluster of cells exhibiting interferon response in animals vaccinated with U-mRNA but not m1Ψ-mRNA. Similar immunoglobulin class-switching and somatic hypermutations were observed in response to the vaccines. Female Syrian hamsters were immunized via a prime-boost regimen with two doses of each vaccine. The titers of glycoprotein-binding antibodies were greater for U-mRNA construct than for m1Ψ-mRNA construct; however, the titers of ANDV-neutralizing antibodies were similar. Vaccinated animals were challenged with a lethal dose of ANDV, along with a naïve control group. All control animals and two animals vaccinated with a lower dose of m1Ψ-mRNA succumbed to infection whereas other vaccinated animals survived without evidence of virus replication. The data demonstrate the development of a protective vaccine against ANDV and the lack of a substantial effect of m1Ψ modification on immunogenicity and protection in rodents.
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MESH Headings
- Animals
- Female
- Mice
- Mesocricetus
- Uridine
- Viral Vaccines/immunology
- Viral Vaccines/administration & dosage
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- RNA, Messenger/immunology
- Antibodies, Viral/immunology
- Orthohantavirus/immunology
- Orthohantavirus/genetics
- Antibodies, Neutralizing/immunology
- Germinal Center/immunology
- Pseudouridine/immunology
- Cricetinae
- mRNA Vaccines
- Hemorrhagic Fever, American/prevention & control
- Hemorrhagic Fever, American/immunology
- Hemorrhagic Fever, American/virology
- RNA, Viral/genetics
- RNA, Viral/immunology
- B-Lymphocytes/immunology
- Humans
- Vaccine Development
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Affiliation(s)
- Ivan V Kuzmin
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
- Galveston National Laboratory, Galveston, TX, USA
| | - Ruben Soto Acosta
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
- Galveston National Laboratory, Galveston, TX, USA
| | - Layne Pruitt
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
| | - Perry T Wasdin
- Vanderbilt University Medical Center, Vanderbilt Vaccine Center, Nashville, TN, USA
| | - Kritika Kedarinath
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
- Galveston National Laboratory, Galveston, TX, USA
| | - Keziah R Hernandez
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
- Galveston National Laboratory, Galveston, TX, USA
| | - Kristyn A Gonzales
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
| | - Kharighan Hill
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
| | - Nicole G Weidner
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
| | - Chad Mire
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
- Galveston National Laboratory, Galveston, TX, USA
| | - Taylor B Engdahl
- Vanderbilt University Medical Center, Vanderbilt Vaccine Center, Nashville, TN, USA
| | | | - Vsevolod Popov
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
| | - James E Crowe
- Vanderbilt University Medical Center, Vanderbilt Vaccine Center, Nashville, TN, USA
| | - Ivelin S Georgiev
- Vanderbilt University Medical Center, Vanderbilt Vaccine Center, Nashville, TN, USA
| | - Mariano A Garcia-Blanco
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, VA, USA
| | - Robert K Abbott
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA.
| | - Alexander Bukreyev
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA.
- Galveston National Laboratory, Galveston, TX, USA.
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA.
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3
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Wang J, Fang Y, Luo Z, Wang J, Zhao Y. Emerging mRNA Technology for Liver Disease Therapy. ACS NANO 2024; 18:17378-17406. [PMID: 38916747 DOI: 10.1021/acsnano.4c02987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Liver diseases have consistently posed substantial challenges to global health. It is crucial to find innovative methods to effectively prevent and treat these diseases. In recent times, there has been an increasing interest in the use of mRNA formulations that accumulate in liver tissue for the treatment of hepatic diseases. In this review, we start by providing a detailed introduction to the mRNA technology. Afterward, we highlight types of liver diseases, discussing their causes, risks, and common therapeutic strategies. Additionally, we summarize the latest advancements in mRNA technology for the treatment of liver diseases. This includes systems based on hepatocyte growth factor, hepatitis B virus antibody, left-right determination factor 1, human hepatocyte nuclear factor α, interleukin-12, methylmalonyl-coenzyme A mutase, etc. Lastly, we provide an outlook on the potential of mRNA technology for the treatment of liver diseases, while also highlighting the various technical challenges that need to be addressed. Despite these difficulties, mRNA-based therapeutic strategies may change traditional treatment methods, bringing hope to patients with liver diseases.
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Affiliation(s)
- Ji Wang
- Department of Rheumatology and Immunology, Institute of Translational Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Yile Fang
- Department of Rheumatology and Immunology, Institute of Translational Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Zhiqiang Luo
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Jinglin Wang
- Division of Hepatobiliary and Transplantation Surgery, Department of General Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Yuanjin Zhao
- Department of Rheumatology and Immunology, Institute of Translational Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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4
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Hesnard L, Thériault C, Cahuzac M, Durette C, Vincent K, Hardy MP, Lanoix J, Lavallée GO, Humeau J, Thibault P, Perreault C. Immunogenicity of Non-Mutated Ovarian Cancer-Specific Antigens. Curr Oncol 2024; 31:3099-3121. [PMID: 38920720 PMCID: PMC11203340 DOI: 10.3390/curroncol31060236] [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: 04/04/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/27/2024] Open
Abstract
Epithelial ovarian cancer (EOC) has not significantly benefited from advances in immunotherapy, mainly because of the lack of well-defined actionable antigen targets. Using proteogenomic analyses of primary EOC tumors, we previously identified 91 aberrantly expressed tumor-specific antigens (TSAs) originating from unmutated genomic sequences. Most of these TSAs derive from non-exonic regions, and their expression results from cancer-specific epigenetic changes. The present study aimed to evaluate the immunogenicity of 48 TSAs selected according to two criteria: presentation by highly prevalent HLA allotypes and expression in a significant fraction of EOC tumors. Using targeted mass spectrometry analyses, we found that pulsing with synthetic TSA peptides leads to a high-level presentation on dendritic cells. TSA abundance correlated with the predicted binding affinity to the HLA allotype. We stimulated naïve CD8 T cells from healthy blood donors with TSA-pulsed dendritic cells and assessed their expansion with two assays: MHC-peptide tetramer staining and TCR Vβ CDR3 sequencing. We report that these TSAs can expand sizeable populations of CD8 T cells and, therefore, represent attractive targets for EOC immunotherapy.
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Affiliation(s)
- Leslie Hesnard
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Catherine Thériault
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Maxime Cahuzac
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Chantal Durette
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Krystel Vincent
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Marie-Pierre Hardy
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Joël Lanoix
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Gabriel Ouellet Lavallée
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Juliette Humeau
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
| | - Pierre Thibault
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
- Department of Chemistry, University of Montreal, Montreal, QC H2V 0B3, Canada
| | - Claude Perreault
- Institute for Research in Immunology and Cancer (IRIC), University of Montreal, Montreal, QC H3T 1J4, Canada; (L.H.); (C.T.); (M.C.); (C.D.); (K.V.); (M.-P.H.); (J.L.); (G.O.L.); (J.H.); (P.T.)
- Department of Medicine, University of Montreal, Montreal, QC H3C 3J7, Canada
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5
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Bicknell AA, Reid DW, Licata MC, Jones AK, Cheng YM, Li M, Hsiao CJ, Pepin CS, Metkar M, Levdansky Y, Fritz BR, Andrianova EA, Jain R, Valkov E, Köhrer C, Moore MJ. Attenuating ribosome load improves protein output from mRNA by limiting translation-dependent mRNA decay. Cell Rep 2024; 43:114098. [PMID: 38625793 DOI: 10.1016/j.celrep.2024.114098] [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: 08/24/2023] [Revised: 01/24/2024] [Accepted: 03/27/2024] [Indexed: 04/18/2024] Open
Abstract
Developing an effective mRNA therapeutic often requires maximizing protein output per delivered mRNA molecule. We previously found that coding sequence (CDS) design can substantially affect protein output, with mRNA variants containing more optimal codons and higher secondary structure yielding the highest protein outputs due to their slow rates of mRNA decay. Here, we demonstrate that CDS-dependent differences in translation initiation and elongation rates lead to differences in translation- and deadenylation-dependent mRNA decay rates, thus explaining the effect of CDS on mRNA half-life. Surprisingly, the most stable and highest-expressing mRNAs in our test set have modest initiation/elongation rates and ribosome loads, leading to minimal translation-dependent mRNA decay. These findings are of potential interest for optimization of protein output from therapeutic mRNAs, which may be achieved by attenuating rather than maximizing ribosome load.
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Affiliation(s)
| | - David W Reid
- Moderna, Inc, 325 Binney Street, Cambridge, MA 02142, USA
| | | | | | - Yi Min Cheng
- Moderna, Inc, 325 Binney Street, Cambridge, MA 02142, USA
| | - Mengying Li
- Moderna, Inc, 325 Binney Street, Cambridge, MA 02142, USA
| | | | | | - Mihir Metkar
- Moderna, Inc, 325 Binney Street, Cambridge, MA 02142, USA
| | - Yevgen Levdansky
- RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Brian R Fritz
- Moderna, Inc, 325 Binney Street, Cambridge, MA 02142, USA
| | | | - Ruchi Jain
- Moderna, Inc, 325 Binney Street, Cambridge, MA 02142, USA
| | - Eugene Valkov
- RNA Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
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6
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Park S, Kim M, Lee JW. Optimizing Nucleic Acid Delivery Systems through Barcode Technology. ACS Synth Biol 2024; 13:1006-1018. [PMID: 38526308 DOI: 10.1021/acssynbio.3c00602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Conventional biological experiments often focus on in vitro assays because of the inherent limitations when handling multiple variables in vivo, including labor-intensive and time-consuming procedures. Often only a subset of samples demonstrating significant efficacy in the in vitro assays can be evaluated in vivo. Nonetheless, because of the low correlation between the in vitro and in vivo tests, evaluation of the variables under examination in vivo and not solely in vitro is critical. An emerging approach to achieve high-throughput in vivo tests involves using a barcode system consisting of various nucleotide combinations. Unique barcodes for each variant enable the simultaneous testing of multiple entities, eliminating the need for separate individual tests. Subsequently, to identify crucial parameters, samples were collected and analyzed using barcode sequencing. This review explores the development of barcode design and its applications, including the evaluation of nucleic acid delivery systems and the optimization of gene expression in vivo.
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Affiliation(s)
- Soan Park
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 CheongamRo, Gyeongbuk, 37673 NamGu, Pohang, Republic of Korea
| | - Mibang Kim
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 CheongamRo, Gyeongbuk, 37673 NamGu, Pohang, Republic of Korea
| | - Jeong Wook Lee
- Department of Chemical Engineering, Pohang University of Science and Technology, 77 CheongamRo, Gyeongbuk, 37673 NamGu, Pohang, Republic of Korea
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, 77 CheongamRo, Gyeongbuk, 37673 NamGu, Pohang, Republic of Korea
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7
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Wang J, Zhu H, Gan J, Liang G, Li L, Zhao Y. Engineered mRNA Delivery Systems for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308029. [PMID: 37805865 DOI: 10.1002/adma.202308029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/05/2023] [Indexed: 10/09/2023]
Abstract
Messenger RNA (mRNA)-based therapeutic strategies have shown remarkable promise in preventing and treating a staggering range of diseases. Optimizing the structure and delivery system of engineered mRNA has greatly improved its stability, immunogenicity, and protein expression levels, which has led to a wider range of uses for mRNA therapeutics. Herein, a thorough analysis of the optimization strategies used in the structure of mRNA is first provided and delivery systems are described in great detail. Furthermore, the latest advancements in biomedical engineering for mRNA technology, including its applications in combatting infectious diseases, treating cancer, providing protein replacement therapy, conducting gene editing, and more, are summarized. Lastly, a perspective on forthcoming challenges and prospects concerning the advancement of mRNA therapeutics is offered. Despite these challenges, mRNA-based therapeutics remain promising, with the potential to revolutionize disease treatment and contribute to significant advancements in the biomedical field.
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Affiliation(s)
- Ji Wang
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Haofang Zhu
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jingjing Gan
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Gaofeng Liang
- Institute of Organoids on Chips Translational Research, Henan Academy of Sciences, Zhengzhou, 450009, China
| | - Ling Li
- Department of Endocrinology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Yuanjin Zhao
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- Institute of Organoids on Chips Translational Research, Henan Academy of Sciences, Zhengzhou, 450009, China
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8
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Parhiz H, Atochina-Vasserman EN, Weissman D. mRNA-based therapeutics: looking beyond COVID-19 vaccines. Lancet 2024; 403:1192-1204. [PMID: 38461842 DOI: 10.1016/s0140-6736(23)02444-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 07/06/2023] [Accepted: 10/30/2023] [Indexed: 03/12/2024]
Abstract
Recent advances in mRNA technology and its delivery have enabled mRNA-based therapeutics to enter a new era in medicine. The rapid, potent, and transient nature of mRNA-encoded proteins, without the need to enter the nucleus or the risk of genomic integration, makes them desirable tools for treatment of a range of diseases, from infectious diseases to cancer and monogenic disorders. The rapid pace and ease of mass-scale manufacturability of mRNA-based therapeutics supported the global response to the COVID-19 pandemic. Nonetheless, challenges remain with regards to mRNA stability, duration of expression, delivery efficiency, and targetability, to broaden the applicability of mRNA therapeutics beyond COVID-19 vaccines. By learning from the rapidly expanding preclinical and clinical studies, we can optimise the mRNA platform to meet the clinical needs of each disease. Here, we will summarise the recent advances in mRNA technology; its use in vaccines, immunotherapeutics, protein replacement therapy, and genomic editing; and its delivery to desired specific cell types and organs for development of a new generation of targeted mRNA-based therapeutics.
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Affiliation(s)
- Hamideh Parhiz
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Drew Weissman
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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9
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Clever S, Limpinsel L, Meyer zu Natrup C, Schünemann LM, Beythien G, Rosiak M, Hülskötter K, Gregor KM, Tuchel T, Kalodimou G, Freudenstein A, Kumar S, Baumgärtner W, Sutter G, Tscherne A, Volz A. Single MVA-SARS-2-ST/N Vaccination Rapidly Protects K18-hACE2 Mice against a Lethal SARS-CoV-2 Challenge Infection. Viruses 2024; 16:417. [PMID: 38543782 PMCID: PMC10974247 DOI: 10.3390/v16030417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 05/23/2024] Open
Abstract
The sudden emergence of SARS-CoV-2 demonstrates the need for new vaccines that rapidly protect in the case of an emergency. In this study, we developed a recombinant MVA vaccine co-expressing SARS-CoV-2 prefusion-stabilized spike protein (ST) and SARS-CoV-2 nucleoprotein (N, MVA-SARS-2-ST/N) as an approach to further improve vaccine-induced immunogenicity and efficacy. Single MVA-SARS-2-ST/N vaccination in K18-hACE2 mice induced robust protection against lethal respiratory SARS-CoV-2 challenge infection 28 days later. The protective outcome of MVA-SARS-2-ST/N vaccination correlated with the activation of SARS-CoV-2-neutralizing antibodies (nABs) and substantial amounts of SARS-CoV-2-specific T cells especially in the lung of MVA-SARS-2-ST/N-vaccinated mice. Emergency vaccination with MVA-SARS-2-ST/N just 2 days before lethal SARS-CoV-2 challenge infection resulted in a delayed onset of clinical disease outcome in these mice and increased titers of nAB or SARS-CoV-2-specific T cells in the spleen and lung. These data highlight the potential of a multivalent COVID-19 vaccine co-expressing S- and N-protein, which further contributes to the development of rapidly protective vaccination strategies against emerging pathogens.
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Affiliation(s)
- Sabrina Clever
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Leonard Limpinsel
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Christian Meyer zu Natrup
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Lisa-Marie Schünemann
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Georg Beythien
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Malgorzata Rosiak
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Kirsten Hülskötter
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Katharina Manuela Gregor
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Tamara Tuchel
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
| | - Georgia Kalodimou
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Astrid Freudenstein
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Satendra Kumar
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (G.B.); (M.R.); (K.H.); (K.M.G.); (W.B.)
| | - Gerd Sutter
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Alina Tscherne
- Division of Virology, Department of Veterinary Sciences, LMU Munich, 85764 Oberschleißheim, Germany; (L.L.); (G.K.); (A.F.); (S.K.); (G.S.); (A.T.)
| | - Asisa Volz
- Institute of Virology, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany; (S.C.); (C.M.z.N.); (L.-M.S.)
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10
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Hensley C, Roier S, Zhou P, Schnur S, Nyblade C, Parreno V, Frazier A, Frazier M, Kiley K, O’Brien S, Liang Y, Mayer BT, Wu R, Mahoney C, McNeal MM, Petsch B, Rauch S, Yuan L. mRNA-Based Vaccines Are Highly Immunogenic and Confer Protection in the Gnotobiotic Pig Model of Human Rotavirus Diarrhea. Vaccines (Basel) 2024; 12:260. [PMID: 38543894 PMCID: PMC10974625 DOI: 10.3390/vaccines12030260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 04/01/2024] Open
Abstract
Human rotavirus (HRV) is still a leading cause of severe dehydrating gastroenteritis globally, particularly in infants and children. Previously, we demonstrated the immunogenicity of mRNA-based HRV vaccine candidates expressing the viral spike protein VP8* in rodent models. In the present study, we assessed the immunogenicity and protective efficacy of two mRNA-based HRV trivalent vaccine candidates, encoding VP8* of the genotypes P[8], P[6], or P[4], in the gnotobiotic (Gn) pig model of Wa (G1P[8]) HRV infection and diarrhea. Vaccines either encoded VP8* alone fused to the universal T-cell epitope P2 (P2-VP8*) or expressed P2-VP8* as a fusion protein with lumazine synthase (LS-P2-VP8*) to allow the formation and secretion of protein particles that present VP8* on their surface. Gn pigs were randomly assigned into groups and immunized three times with either P2-VP8* (30 µg) or LS-P2-VP8* (30 µg or 12 µg). A trivalent alum-adjuvanted P2-VP8* protein vaccine or an LNP-formulated irrelevant mRNA vaccine served as the positive and negative control, respectively. Upon challenge with virulent Wa HRV, a significantly shortened duration and decreased severity of diarrhea and significant protection from virus shedding was induced by both mRNA vaccine candidates compared to the negative control. Both LS-P2-VP8* doses induced significantly higher VP8*-specific IgG antibody titers in the serum after immunizations than the negative as well as the protein control. The P[8] VP8*-specific IgG antibody-secreting cells in the ileum, spleen, and blood seven days post-challenge, as well as VP8*-specific IFN-γ-producing T-cell numbers increased in all three mRNA-vaccinated pig groups compared to the negative control. Overall, there was a clear tendency towards improved responses in LS-P2-VP8* compared to the P2-VP8*mRNA vaccine. The demonstrated strong humoral immune responses, priming for effector T cells, and the significant reduction of viral shedding and duration of diarrhea in Gn pigs provide a promising proof of concept and may provide guidance for the further development of mRNA-based rotavirus vaccines.
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Affiliation(s)
- Casey Hensley
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Sandro Roier
- CureVac SE, 72076 Tübingen, Germany; (S.R.); (B.P.); (S.R.)
| | - Peng Zhou
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Sofia Schnur
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Charlotte Nyblade
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Viviana Parreno
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Annie Frazier
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Maggie Frazier
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Kelsey Kiley
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Samantha O’Brien
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Yu Liang
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
| | - Bryan T. Mayer
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; (B.T.M.); (R.W.); (C.M.)
| | - Ruizhe Wu
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; (B.T.M.); (R.W.); (C.M.)
| | - Celia Mahoney
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; (B.T.M.); (R.W.); (C.M.)
| | - Monica M. McNeal
- Department of Pediatrics, University of Cincinnati College of Medicine, and Division of Infectious Diseases, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA;
| | | | - Susanne Rauch
- CureVac SE, 72076 Tübingen, Germany; (S.R.); (B.P.); (S.R.)
| | - Lijuan Yuan
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24060, USA; (C.H.); (P.Z.); (S.S.); (C.N.); (V.P.); (A.F.); (M.F.); (K.K.); (S.O.); (Y.L.)
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11
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Shi Y, Zhen X, Zhang Y, Li Y, Koo S, Saiding Q, Kong N, Liu G, Chen W, Tao W. Chemically Modified Platforms for Better RNA Therapeutics. Chem Rev 2024; 124:929-1033. [PMID: 38284616 DOI: 10.1021/acs.chemrev.3c00611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
RNA-based therapies have catalyzed a revolutionary transformation in the biomedical landscape, offering unprecedented potential in disease prevention and treatment. However, despite their remarkable achievements, these therapies encounter substantial challenges including low stability, susceptibility to degradation by nucleases, and a prominent negative charge, thereby hindering further development. Chemically modified platforms have emerged as a strategic innovation, focusing on precise alterations either on the RNA moieties or their associated delivery vectors. This comprehensive review delves into these platforms, underscoring their significance in augmenting the performance and translational prospects of RNA-based therapeutics. It encompasses an in-depth analysis of various chemically modified delivery platforms that have been instrumental in propelling RNA therapeutics toward clinical utility. Moreover, the review scrutinizes the rationale behind diverse chemical modification techniques aiming at optimizing the therapeutic efficacy of RNA molecules, thereby facilitating robust disease management. Recent empirical studies corroborating the efficacy enhancement of RNA therapeutics through chemical modifications are highlighted. Conclusively, we offer profound insights into the transformative impact of chemical modifications on RNA drugs and delineates prospective trajectories for their future development and clinical integration.
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Affiliation(s)
- Yesi Shi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, National Innovation Platform for Industry-Education Integration in Vaccine Research, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Xueyan Zhen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Yiming Zhang
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Yongjiang Li
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Seyoung Koo
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Qimanguli Saiding
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Na Kong
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou 310058, China
| | - Gang Liu
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, National Innovation Platform for Industry-Education Integration in Vaccine Research, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Wei Chen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Wei Tao
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
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12
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Sharma P, Hoorn D, Aitha A, Breier D, Peer D. The immunostimulatory nature of mRNA lipid nanoparticles. Adv Drug Deliv Rev 2024; 205:115175. [PMID: 38218350 DOI: 10.1016/j.addr.2023.115175] [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: 10/25/2023] [Revised: 12/25/2023] [Accepted: 12/28/2023] [Indexed: 01/15/2024]
Abstract
mRNA-Lipid nanoparticles (LNPs) are at the forefront of global medical research. With the development of mRNA-LNP vaccines to combat the COVID-19 pandemic, the clinical potential of this platform was unleashed. Upon administering 16 billion doses that protected billions of people, it became clear that a fraction of them witnessed mild and in some cases even severe adverse effects. Therefore, it is paramount to define the safety along with the therapeutic efficacy of the mRNA-LNP platform for the successful translation of new genetic medicines based on this technology. While mRNA was the effector molecule of this platform, the ionizable lipid component of the LNPs played an indispensable role in its success. However, both of these components possess the ability to induce undesired immunostimulation, which is an area that needs to be addressed systematically. The immune cell agitation caused by this platform is a two-edged sword as it may prove beneficial for vaccination but detrimental to other applications. Therefore, a key challenge in advancing the mRNA-LNP drug delivery platform from bench to bedside is understanding the immunostimulatory behavior of these components. Herein, we provide a detailed overview of the structural modifications and immunogenicity of synthetic mRNA. We discuss the effect of ionizable lipid structure on LNP functionality and offer a mechanistic overview of the ability of LNPs to elicit an immune response. Finally, we shed some light on the current status of this technology in clinical trials and discuss a few challenges to be addressed to advance the field.
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Affiliation(s)
- Preeti Sharma
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel
| | - Daniek Hoorn
- Laboratory of Chemical Biology, Department of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Anjaiah Aitha
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel
| | - Dor Breier
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel
| | - Dan Peer
- Laboratory of Precision Nanomedicine, Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, Israel.
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13
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Meulewaeter S, Zhang Y, Wadhwa A, Fox K, Lentacker I, Harder KW, Cullis PR, De Smedt SC, Cheng MHY, Verbeke R. Considerations on the Design of Lipid-based mRNA Vaccines Against Cancer. J Mol Biol 2024; 436:168385. [PMID: 38065276 DOI: 10.1016/j.jmb.2023.168385] [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: 09/15/2023] [Revised: 11/29/2023] [Accepted: 12/02/2023] [Indexed: 12/26/2023]
Abstract
Throughout the last decades, mRNA vaccines have been developed as a cancer immunotherapeutic and the technology recently gained momentum during the COVID-19 pandemic. Recent promising results obtained from clinical trials investigating lipid-based mRNA vaccines in cancer therapy further highlighted the potential of this therapy. Interestingly, while the technologies being used in authorized mRNA vaccines for the prevention of COVID-19 are relatively similar, mRNA vaccines in clinical development for cancer vaccination show marked differences in mRNA modification, lipid carrier, and administration route. In this review, we describe findings on how these factors can impact the potency of mRNA vaccines in cancer therapy and provide insights into the complex interplay between them. We discuss how lipid carrier composition can affect passive targeting to immune cells to improve the efficacy and safety of mRNA vaccines. Finally, we summarize strategies that are established or still being explored to improve the efficacy of mRNA cancer vaccines and include next-generation vaccines that are on the horizon in clinical development.
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Affiliation(s)
- Sofie Meulewaeter
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, Ghent 9000, Belgium; Cancer Research Institute Ghent (CRIG), Ghent University Hospital, Ghent University, Ghent 9000, Belgium
| | - Yao Zhang
- School of Biomedical Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada; Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Abishek Wadhwa
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Kevin Fox
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Ine Lentacker
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, Ghent 9000, Belgium; Cancer Research Institute Ghent (CRIG), Ghent University Hospital, Ghent University, Ghent 9000, Belgium
| | - Kenneth W Harder
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Pieter R Cullis
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Stefaan C De Smedt
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, Ghent 9000, Belgium; Cancer Research Institute Ghent (CRIG), Ghent University Hospital, Ghent University, Ghent 9000, Belgium
| | - Miffy H Y Cheng
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada.
| | - Rein Verbeke
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, Ghent 9000, Belgium; Cancer Research Institute Ghent (CRIG), Ghent University Hospital, Ghent University, Ghent 9000, Belgium.
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14
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Scaria PV, Roth N, Schwendt K, Muratova OV, Alani N, Lambert LE, Barnafo EK, Rowe CG, Zaidi IU, Rausch KM, Narum DL, Petsch B, Duffy PE. mRNA vaccines expressing malaria transmission-blocking antigens Pfs25 and Pfs230D1 induce a functional immune response. NPJ Vaccines 2024; 9:9. [PMID: 38184666 PMCID: PMC10771442 DOI: 10.1038/s41541-023-00783-y] [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: 08/04/2023] [Accepted: 11/22/2023] [Indexed: 01/08/2024] Open
Abstract
Malaria transmission-blocking vaccines (TBV) are designed to inhibit the sexual stage development of the parasite in the mosquito host and can play a significant role in achieving the goal of malaria elimination. Preclinical and clinical studies using protein-protein conjugates of leading TBV antigens Pfs25 and Pfs230 domain 1 (Pfs230D1) have demonstrated the feasibility of TBV. Nevertheless, other promising vaccine platforms for TBV remain underexplored. The recent success of mRNA vaccines revealed the potential of this technology for infectious diseases. We explored the mRNA platform for TBV development. mRNA constructs of Pfs25 and Pfs230D1 variously incorporating signal peptides (SP), GPI anchor, and Trans Membrane (TM) domain were assessed in vitro for antigen expression, and selected constructs were evaluated in mice. Only mRNA constructs with GPI anchor or TM domain that resulted in high cell surface expression of the antigens yielded strong immune responses in mice. These mRNA constructs generated higher transmission-reducing functional activity versus the corresponding alum-adjuvanted protein-protein conjugates used as comparators. Pfs25 mRNA with GPI anchor or TM maintained >99% transmission reducing activity through 126 days, the duration of the study, demonstrating the potential of mRNA platform for TBV.
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Affiliation(s)
- Puthupparampil V Scaria
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | | | | | - Olga V Muratova
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | - Nada Alani
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | - Lynn E Lambert
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | - Emma K Barnafo
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | - Christopher G Rowe
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | - Irfan U Zaidi
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | - Kelly M Rausch
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | - David L Narum
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA
| | | | - Patrick E Duffy
- Laboratory of Malaria Immunology and Vaccinology, NIAID/NIH, Bethesda, 29 Lincoln Drive, Building 29B, MD, 20892-2903, USA.
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15
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Mochida Y, Uchida S. mRNA vaccine designs for optimal adjuvanticity and delivery. RNA Biol 2024; 21:1-27. [PMID: 38528828 DOI: 10.1080/15476286.2024.2333123] [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] [Accepted: 03/15/2024] [Indexed: 03/27/2024] Open
Abstract
Adjuvanticity and delivery are crucial facets of mRNA vaccine design. In modern mRNA vaccines, adjuvant functions are integrated into mRNA vaccine nanoparticles, allowing the co-delivery of antigen mRNA and adjuvants in a unified, all-in-one formulation. In this formulation, many mRNA vaccines utilize the immunostimulating properties of mRNA and vaccine carrier components, including lipids and polymers, as adjuvants. However, careful design is necessary, as excessive adjuvanticity and activation of improper innate immune signalling can conversely hinder vaccination efficacy and trigger adverse effects. mRNA vaccines also require delivery systems to achieve antigen expression in antigen-presenting cells (APCs) within lymphoid organs. Some vaccines directly target APCs in the lymphoid organs, while others rely on APCs migration to the draining lymph nodes after taking up mRNA vaccines. This review explores the current mechanistic understanding of these processes and the ongoing efforts to improve vaccine safety and efficacy based on this understanding.
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Affiliation(s)
- Yuki Mochida
- Department of Advanced Nanomedical Engineering, Medical Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, Kawasaki, Japan
| | - Satoshi Uchida
- Department of Advanced Nanomedical Engineering, Medical Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Innovation Center of NanoMedicine (iCONM), Kawasaki Institute of Industrial Promotion, Kawasaki, Japan
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16
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Kramps T. Introduction to RNA Vaccines Post COVID-19. Methods Mol Biol 2024; 2786:1-22. [PMID: 38814388 DOI: 10.1007/978-1-0716-3770-8_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Available prophylactic vaccines help prevent many infectious diseases that burden humanity. Future vaccinology will likely extend these benefits by more effectively countering newly emerging pathogens, fighting currently intractable infections, or even generating novel treatment modalities for non-infectious diseases. Instead of applying protein antigen directly, RNA vaccines contain short-lived genetic information that guides the expression of protein antigen in the vaccinee, like infection with a recombinant viral vector. Upon decades of research, messenger RNA-lipid nanoparticle (mRNA-LNP) vaccines have proven clinical value in addressing the COVID-19 pandemic as they combine benefits of killed subunit vaccines and live-attenuated vectors, including flexible production, self-adjuvanting effects, and stimulation of humoral and cellular immunity. RNA vaccines remain subject to continued development raising high hopes for broader future application. Their mechanistic versatility promises to make them a key tool of vaccinology and immunotherapy going forward. Here, I briefly review key developments in RNA vaccines and outline the contents of this volume of Methods in Molecular Biology.
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17
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Rauch S, Lutz J, Mühe J, Kowalczyk A, Schlake T, Heidenreich R. Sequence-Optimized mRNA Vaccines Against Infectious Disease. Methods Mol Biol 2024; 2786:183-203. [PMID: 38814395 DOI: 10.1007/978-1-0716-3770-8_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Developing effective mRNA vaccines poses certain challenges concerning mRNA stability and ability to induce sufficient immune stimulation and requires a specific panel of techniques for production and testing. Here, we describe the production of stabilized mRNA vaccines (RNActive® technology) with enhanced immunogenicity, generated using conventional nucleotides only, by introducing changes to the mRNA sequence and by formulation into lipid nanoparticles. Methods described here include the synthesis, purification, and formulation of mRNA vaccines as well as a comprehensive panel of in vitro and in vivo methods for evaluation of vaccine quality and immunogenicity.
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18
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Metkar M, Pepin CS, Moore MJ. Tailor made: the art of therapeutic mRNA design. Nat Rev Drug Discov 2024; 23:67-83. [PMID: 38030688 DOI: 10.1038/s41573-023-00827-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2023] [Indexed: 12/01/2023]
Abstract
mRNA medicine is a new and rapidly developing field in which the delivery of genetic information in the form of mRNA is used to direct therapeutic protein production in humans. This approach, which allows for the quick and efficient identification and optimization of drug candidates for both large populations and individual patients, has the potential to revolutionize the way we prevent and treat disease. A key feature of mRNA medicines is their high degree of designability, although the design choices involved are complex. Maximizing the production of therapeutic proteins from mRNA medicines requires a thorough understanding of how nucleotide sequence, nucleotide modification and RNA structure interplay to affect translational efficiency and mRNA stability. In this Review, we describe the principles that underlie the physical stability and biological activity of mRNA and emphasize their relevance to the myriad considerations that factor into therapeutic mRNA design.
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19
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Roier S, Mangala Prasad V, McNeal MM, Lee KK, Petsch B, Rauch S. mRNA-based VP8* nanoparticle vaccines against rotavirus are highly immunogenic in rodents. NPJ Vaccines 2023; 8:190. [PMID: 38129390 PMCID: PMC10739717 DOI: 10.1038/s41541-023-00790-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
Despite the availability of live-attenuated oral vaccines, rotavirus remains a major cause of severe childhood diarrhea worldwide. Due to the growing demand for parenteral rotavirus vaccines, we developed mRNA-based vaccine candidates targeting the viral spike protein VP8*. Our monomeric P2 (universal T cell epitope)-VP8* mRNA design is equivalent to a protein vaccine currently in clinical development, while LS (lumazine synthase)-P2-VP8* was designed to form nanoparticles. Cyro-electron microscopy and western blotting-based data presented here suggest that proteins derived from LS-P2-VP8* mRNA are secreted in vitro and self-assemble into 60-mer nanoparticles displaying VP8*. mRNA encoded VP8* was immunogenic in rodents and introduced both humoral and cellular responses. LS-P2-VP8* induced superior humoral responses to P2-VP8* in guinea pigs, both as monovalent and trivalent vaccines, with encouraging responses detected against the most prevalent P genotypes. Overall, our data provide evidence that trivalent LS-P2-VP8* represents a promising mRNA-based next-generation rotavirus vaccine candidate.
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Affiliation(s)
| | - Vidya Mangala Prasad
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore, India
| | - Monica M McNeal
- Department of Pediatrics, University of Cincinnati College of Medicine, Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Kelly K Lee
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
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20
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Ma X, Zhang Y, Huang K, Zhu L, Xu W. Multifunctional rolling circle transcription-based nanomaterials for advanced drug delivery. Biomaterials 2023; 301:122241. [PMID: 37451000 DOI: 10.1016/j.biomaterials.2023.122241] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/21/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
As the up-and-comer in the development of RNA nanotechnology, RNA nanomaterials based on functionalized rolling circle transcription (RCT) have become promising carriers for drug production and delivery. This is due to RCT technology can self-produce polyvalent tandem nucleic acid prodrugs for intervention in intracellular gene expression and protein production. RNA component strands participating in de novo assembly enable RCT-based nanomaterials to exhibit good mechanical properties, biostability, and biocompatibility as delivery carriers. The biostability makes it to suitable for thermodynamically/kinetically favorable assembly, enzyme resistance and efficient expression in vivo. Controllable RCT system combined with polymers enables customizable and adjustable size, shape, structure, and stoichiometry of RNA building materials, which provide groundwork for the delivery of advanced drugs. Here, we review the assembly strategies and the dynamic regulation of RCT-based nanomaterials, summarize its functional properties referring to the bottom-up design philosophy, and describe its advancements in tumor gene therapy, synergistic chemotherapy, and immunotherapy. Last, we elaborate on the unique and practical value of RCT-based nanomaterials, namely "self-production and self-sale", and their potential challenges in nanotechnology, material science and biomedicine.
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Affiliation(s)
- Xuan Ma
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China; College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, 100083, China
| | - Yangzi Zhang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China; College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, 100083, China
| | - Kunlun Huang
- College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, 100083, China
| | - Longjiao Zhu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Wentao Xu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China; College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, 100083, China.
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21
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Zhang G, Tang T, Chen Y, Huang X, Liang T. mRNA vaccines in disease prevention and treatment. Signal Transduct Target Ther 2023; 8:365. [PMID: 37726283 PMCID: PMC10509165 DOI: 10.1038/s41392-023-01579-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 07/01/2023] [Accepted: 07/30/2023] [Indexed: 09/21/2023] Open
Abstract
mRNA vaccines have emerged as highly effective strategies in the prophylaxis and treatment of diseases, thanks largely although not totally to their extraordinary performance in recent years against the worldwide plague COVID-19. The huge superiority of mRNA vaccines regarding their efficacy, safety, and large-scale manufacture encourages pharmaceutical industries and biotechnology companies to expand their application to a diverse array of diseases, despite the nonnegligible problems in design, fabrication, and mode of administration. This review delves into the technical underpinnings of mRNA vaccines, covering mRNA design, synthesis, delivery, and adjuvant technologies. Moreover, this review presents a systematic retrospective analysis in a logical and well-organized manner, shedding light on representative mRNA vaccines employed in various diseases. The scope extends across infectious diseases, cancers, immunological diseases, tissue damages, and rare diseases, showcasing the versatility and potential of mRNA vaccines in diverse therapeutic areas. Furthermore, this review engages in a prospective discussion regarding the current challenge and potential direction for the advancement and utilization of mRNA vaccines. Overall, this comprehensive review serves as a valuable resource for researchers, clinicians, and industry professionals, providing a comprehensive understanding of the technical aspects, historical context, and future prospects of mRNA vaccines in the fight against various diseases.
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Affiliation(s)
- Gang Zhang
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, 310009, Hangzhou, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, Zhejiang, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, 310003, Hangzhou, Zhejiang, China
- The Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, 310009, Hangzhou, Zhejiang, China
- Cancer Center, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Tianyu Tang
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, 310009, Hangzhou, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, Zhejiang, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, 310003, Hangzhou, Zhejiang, China
- The Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, 310009, Hangzhou, Zhejiang, China
- Cancer Center, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Yinfeng Chen
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, 310009, Hangzhou, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, Zhejiang, China
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, 310003, Hangzhou, Zhejiang, China
- The Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, 310009, Hangzhou, Zhejiang, China
- Cancer Center, Zhejiang University, 310058, Hangzhou, Zhejiang, China
| | - Xing Huang
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, 310009, Hangzhou, Zhejiang, China.
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, Zhejiang, China.
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, 310003, Hangzhou, Zhejiang, China.
- The Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, 310009, Hangzhou, Zhejiang, China.
- Cancer Center, Zhejiang University, 310058, Hangzhou, Zhejiang, China.
| | - Tingbo Liang
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, 310009, Hangzhou, Zhejiang, China.
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 310003, Hangzhou, Zhejiang, China.
- Zhejiang Clinical Research Center of Hepatobiliary and Pancreatic Diseases, 310003, Hangzhou, Zhejiang, China.
- The Innovation Center for the Study of Pancreatic Diseases of Zhejiang Province, 310009, Hangzhou, Zhejiang, China.
- Cancer Center, Zhejiang University, 310058, Hangzhou, Zhejiang, China.
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22
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Thran M, Pönisch M, Danz H, Horscroft N, Ichtchenko K, Tzipori S, Shoemaker CB. Co-administration of an effector antibody enhances the half-life and therapeutic potential of RNA-encoded nanobodies. Sci Rep 2023; 13:14632. [PMID: 37670025 PMCID: PMC10480410 DOI: 10.1038/s41598-023-41092-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/22/2023] [Indexed: 09/07/2023] Open
Abstract
The incidence of Clostridioides difficile infection (CDI) and associated mortality have increased rapidly worldwide in recent years. Therefore, it is critical to develop new therapies for CDI. Here we report on the development of mRNA-LNPs encoding camelid-derived VHH-based neutralizing agents (VNAs) targeting toxins A and/or B of C. difficile. In preclinical models, intravenous administration of the mRNA-LNPs provided serum VNA levels sufficient to confer protection of mice against severe disease progression following toxin challenge. Furthermore, we employed an mRNA-LNP encoded effector antibody, a molecular tool designed to specifically bind an epitopic tag linked to the VNAs, to prolong VNA serum half-life. Co-administration of VNA-encoding mRNA-LNPs and an effector antibody, either provided as recombinant protein or encoded by mRNA-LNP, increased serum VNA half-life in mice and in gnotobiotic piglets. Prolonged serum half-life was associated with higher concentrations of serum VNA and enhanced prophylactic protection of mice in challenge models.
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Affiliation(s)
| | | | - Hillary Danz
- Department of Infectious Disease and Global Health, Tufts Cummings School of Veterinary Medicine, North Grafton, MA, 01536, USA
| | | | - Konstantin Ichtchenko
- Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY, 10016, USA
| | - Saul Tzipori
- Department of Infectious Disease and Global Health, Tufts Cummings School of Veterinary Medicine, North Grafton, MA, 01536, USA
| | - Charles B Shoemaker
- Department of Infectious Disease and Global Health, Tufts Cummings School of Veterinary Medicine, North Grafton, MA, 01536, USA.
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23
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Zhang H, Zhang L, Lin A, Xu C, Li Z, Liu K, Liu B, Ma X, Zhao F, Jiang H, Chen C, Shen H, Li H, Mathews DH, Zhang Y, Huang L. Algorithm for optimized mRNA design improves stability and immunogenicity. Nature 2023; 621:396-403. [PMID: 37130545 PMCID: PMC10499610 DOI: 10.1038/s41586-023-06127-z] [Citation(s) in RCA: 58] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 04/25/2023] [Indexed: 05/04/2023]
Abstract
Messenger RNA (mRNA) vaccines are being used to combat the spread of COVID-19 (refs. 1-3), but they still exhibit critical limitations caused by mRNA instability and degradation, which are major obstacles for the storage, distribution and efficacy of the vaccine products4. Increasing secondary structure lengthens mRNA half-life, which, together with optimal codons, improves protein expression5. Therefore, a principled mRNA design algorithm must optimize both structural stability and codon usage. However, owing to synonymous codons, the mRNA design space is prohibitively large-for example, there are around 2.4 × 10632 candidate mRNA sequences for the SARS-CoV-2 spike protein. This poses insurmountable computational challenges. Here we provide a simple and unexpected solution using the classical concept of lattice parsing in computational linguistics, where finding the optimal mRNA sequence is analogous to identifying the most likely sentence among similar-sounding alternatives6. Our algorithm LinearDesign finds an optimal mRNA design for the spike protein in just 11 minutes, and can concurrently optimize stability and codon usage. LinearDesign substantially improves mRNA half-life and protein expression, and profoundly increases antibody titre by up to 128 times in mice compared to the codon-optimization benchmark on mRNA vaccines for COVID-19 and varicella-zoster virus. This result reveals the great potential of principled mRNA design and enables the exploration of previously unreachable but highly stable and efficient designs. Our work is a timely tool for vaccines and other mRNA-based medicines encoding therapeutic proteins such as monoclonal antibodies and anti-cancer drugs7,8.
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Affiliation(s)
- He Zhang
- Baidu Research USA, Sunnyvale, CA, USA
- School of EECS, Oregon State University, Corvallis, OR, USA
| | - Liang Zhang
- Baidu Research USA, Sunnyvale, CA, USA
- School of EECS, Oregon State University, Corvallis, OR, USA
- Vaccine Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ang Lin
- StemiRNA Therapeutics, Shanghai, China
- Vaccine Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | | | - Ziyu Li
- Baidu Research USA, Sunnyvale, CA, USA
| | - Kaibo Liu
- Baidu Research USA, Sunnyvale, CA, USA
- School of EECS, Oregon State University, Corvallis, OR, USA
| | - Boxiang Liu
- Baidu Research USA, Sunnyvale, CA, USA
- Department of Pharmacy, National University of Singapore, Singapore, Singapore
| | | | | | | | | | | | | | - David H Mathews
- Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY, USA.
- Center for RNA Biology, University of Rochester Medical Center, Rochester, NY, USA.
- Department of Biostatistics and Computational Biology, University of Rochester Medical Center, Rochester, NY, USA.
- Coderna.ai, Inc., Sunnyvale, CA, USA.
| | - Yujian Zhang
- StemiRNA Therapeutics, Shanghai, China.
- , Gaithersburg, MD, USA.
| | - Liang Huang
- Baidu Research USA, Sunnyvale, CA, USA.
- School of EECS, Oregon State University, Corvallis, OR, USA.
- Coderna.ai, Inc., Sunnyvale, CA, USA.
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24
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Yu MZ, Wang NN, Zhu JQ, Lin YX. The clinical progress and challenges of mRNA vaccines. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1894. [PMID: 37096256 DOI: 10.1002/wnan.1894] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 04/26/2023]
Abstract
Owing to the breakthroughs in the prevention and control of the COVID-19 pandemic, messenger RNA (mRNA)-based vaccines have emerged as promising alternatives to conventional vaccine approaches for infectious disease prevention and anticancer treatments. Advantages of mRNA vaccines include flexibility in designing and manipulating antigens of interest, scalability in rapid response to new variants, ability to induce both humoral and cell-mediated immune responses, and ease of industrialization. This review article presents the latest advances and innovations in mRNA-based vaccines and their clinical translations in the prevention and treatment of infectious diseases or cancers. We also highlight various nanoparticle delivery platforms that contribute to their success in clinical translation. Current challenges related to mRNA immunogenicity, stability, and in vivo delivery and the strategies for addressing them are also discussed. Finally, we provide our perspectives on future considerations and opportunities for applying mRNA vaccines to fight against major infectious diseases and cancers. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease Biology-Inspired Nanomaterials > Lipid-Based Structures.
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Affiliation(s)
- Meng-Zhen Yu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, People's Republic of China
- University of Chinese Academy of Sciences (UCAS), Beijing, People's Republic of China
| | - Nan-Nan Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, People's Republic of China
- University of Chinese Academy of Sciences (UCAS), Beijing, People's Republic of China
| | - Jia-Qing Zhu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, People's Republic of China
| | - Yao-Xin Lin
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, People's Republic of China
- University of Chinese Academy of Sciences (UCAS), Beijing, People's Republic of China
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25
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Ye Z, Harmon J, Ni W, Li Y, Wich D, Xu Q. The mRNA Vaccine Revolution: COVID-19 Has Launched the Future of Vaccinology. ACS NANO 2023; 17:15231-15253. [PMID: 37535899 DOI: 10.1021/acsnano.2c12584] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
During the COVID-19 pandemic, mRNA (mRNA) vaccines emerged as leading vaccine candidates in a record time. Nonreplicating mRNA (NRM) and self-amplifying mRNA (SAM) technologies have been developed into high-performing and clinically viable vaccines against a range of infectious agents, notably SARS-CoV-2. mRNA vaccines demonstrate efficient in vivo delivery, long-lasting stability, and nonexistent risk of infection. The stability and translational efficiency of in vitro transcription (IVT)-mRNA can be further increased by modulating its structural elements. In this review, we present a comprehensive overview of the recent advances, key applications, and future challenges in the field of mRNA-based vaccinology.
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Affiliation(s)
- Zhongfeng Ye
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Joseph Harmon
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Wei Ni
- Department of Medical Oncology, Dana-Farber Cancer Institute at Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Yamin Li
- Department of Pharmacology, State University of New York Upstate Medical University, Syracuse, New York 13210, United States
| | - Douglas Wich
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Qiaobing Xu
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
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26
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Kang DD, Li H, Dong Y. Advancements of in vitro transcribed mRNA (IVT mRNA) to enable translation into the clinics. Adv Drug Deliv Rev 2023; 199:114961. [PMID: 37321375 PMCID: PMC10264168 DOI: 10.1016/j.addr.2023.114961] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/02/2023] [Accepted: 06/08/2023] [Indexed: 06/17/2023]
Abstract
The accelerated progress and approval of two mRNA-based vaccines to address the SARS-CoV-2 virus were unprecedented. This record-setting feat was made possible through the solid foundation of research on in vitro transcribed mRNA (IVT mRNA) which could be utilized as a therapeutic modality. Through decades of thorough research to overcome barriers to implementation, mRNA-based vaccines or therapeutics offer many advantages to rapidly address a broad range of applications including infectious diseases, cancers, and gene editing. Here, we describe the advances that have supported the adoption of IVT mRNA in the clinics, including optimization of the IVT mRNA structural components, synthesis, and lastly concluding with different classes of IVT RNA. Continuing interest in driving IVT mRNA technology will enable a safer and more efficacious therapeutic modality to address emerging and existing diseases.
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Affiliation(s)
- Diana D Kang
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States; Genomics Institute, Precision Immunology Institute, Department of Oncological Sciences, Tisch Cancer Institute, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, United States
| | - Haoyuan Li
- Genomics Institute, Precision Immunology Institute, Department of Oncological Sciences, Tisch Cancer Institute, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, United States
| | - Yizhou Dong
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States; Department of Biomedical Engineering, The Center for Clinical and Translational Science, The Comprehensive Cancer Center; Dorothy M. Davis Heart & Lung Research Institute, Department of Radiation Oncology, The Ohio State University, Columbus, OH 43210, United States; Genomics Institute, Precision Immunology Institute, Department of Oncological Sciences, Tisch Cancer Institute, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, United States.
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27
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Chehelgerdi M, Chehelgerdi M. The use of RNA-based treatments in the field of cancer immunotherapy. Mol Cancer 2023; 22:106. [PMID: 37420174 PMCID: PMC10401791 DOI: 10.1186/s12943-023-01807-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 06/13/2023] [Indexed: 07/09/2023] Open
Abstract
Over the past several decades, mRNA vaccines have evolved from a theoretical concept to a clinical reality. These vaccines offer several advantages over traditional vaccine techniques, including their high potency, rapid development, low-cost manufacturing, and safe administration. However, until recently, concerns over the instability and inefficient distribution of mRNA in vivo have limited their utility. Fortunately, recent technological advancements have mostly resolved these concerns, resulting in the development of numerous mRNA vaccination platforms for infectious diseases and various types of cancer. These platforms have shown promising outcomes in both animal models and humans. This study highlights the potential of mRNA vaccines as a promising alternative approach to conventional vaccine techniques and cancer treatment. This review article aims to provide a thorough and detailed examination of mRNA vaccines, including their mechanisms of action and potential applications in cancer immunotherapy. Additionally, the article will analyze the current state of mRNA vaccine technology and highlight future directions for the development and implementation of this promising vaccine platform as a mainstream therapeutic option. The review will also discuss potential challenges and limitations of mRNA vaccines, such as their stability and in vivo distribution, and suggest ways to overcome these issues. By providing a comprehensive overview and critical analysis of mRNA vaccines, this review aims to contribute to the advancement of this innovative approach to cancer treatment.
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Affiliation(s)
- Mohammad Chehelgerdi
- Novin Genome (NG) Lab, Research and Development Center for Biotechnology, Shahrekord, Iran.
- Young Researchers and Elite Club, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
| | - Matin Chehelgerdi
- Novin Genome (NG) Lab, Research and Development Center for Biotechnology, Shahrekord, Iran
- Young Researchers and Elite Club, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
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28
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Bernard MC, Bazin E, Petiot N, Lemdani K, Commandeur S, Verdelet C, Margot S, Perkov V, Ripoll M, Garinot M, Ruiz S, Boudet F, Rokbi B, Haensler J. The impact of nucleoside base modification in mRNA vaccine is influenced by the chemistry of its lipid nanoparticle delivery system. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 32:794-806. [PMID: 37346973 PMCID: PMC10280092 DOI: 10.1016/j.omtn.2023.05.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 05/04/2023] [Indexed: 06/23/2023]
Abstract
The use of modified nucleosides is an important approach to mitigate the intrinsic immunostimulatory activity of exogenous mRNA and to increase its translation for mRNA therapeutic applications. However, for vaccine applications, the intrinsic immunostimulatory nature of unmodified mRNA could help induce productive immunity. Additionally, the ionizable lipid nanoparticles (LNPs) used to deliver mRNA vaccines can possess immunostimulatory properties that may influence the impact of nucleoside modification. Here we show that uridine replacement with N1-methylpseudouridine in an mRNA vaccine encoding influenza hemagglutinin had a significant impact on the induction of innate chemokines/cytokines and a positive impact on the induction of functional antibody titers in mice and macaques when MC3 or KC2 LNPs were used as delivery systems, while it impacted only minimally the titers obtained with L319 LNPs, indicating that the impact of nucleoside modification on mRNA vaccine efficacy varies with LNP composition. In line with previous observations, we noticed an inverse correlation between the induction of high innate IFN-α titers in the macaques and antigen-specific immune responses. Furthermore, and consistent with the species specificity of pathogen recognition receptors, we found that the effect of uridine replacement did not strictly translate from mice to non-human primates.
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Affiliation(s)
| | - Emilie Bazin
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Nadine Petiot
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Katia Lemdani
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Sylvie Commandeur
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Cécile Verdelet
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Sylvie Margot
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Vladimir Perkov
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Manon Ripoll
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Marie Garinot
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Sophie Ruiz
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Florence Boudet
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Bachra Rokbi
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
| | - Jean Haensler
- Sanofi R&D, Campus Mérieux, 1541 Avenue Marcel Mérieux, 69280 Marcy l’Etoile, France
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29
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Litvinova VR, Rudometov AP, Karpenko LI, Ilyichev AA. mRNA Vaccine Platform: mRNA Production and Delivery. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2023; 49:220-235. [PMID: 37252004 PMCID: PMC10197051 DOI: 10.1134/s1068162023020152] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 05/31/2023]
Abstract
Vaccination is the most efficient way to prevent infectious diseases. mRNA-based vaccines is a new approach to vaccine development, which have several very useful advantages over other types of vaccines. Since mRNA encodes only the target antigen there is no potential risk of infection as in the case with attenuated or inactivated pathogens. The mode of action of mRNA-vaccines implies that their genetic information is expressed only in the cytosol, leaving very little possibility of mRNA integration into the host's genome. mRNA-vaccines can induce specific cellular and humoral immune responses, but do not induce the antivector immune response. The mRNA-vaccine platform allows for easy target gene replacement without the need to change the production technology, which is important to address the time lag between the epidemic onset and vaccine release. The present review discusses the history of mRNA vaccines, mRNA vaccine production technology, ways to increase mRNA stability, modifications of the cap, poly(A)-tail, coding and noncoding parts of mRNA, target mRNA vaccine purification from byproducts, and delivery methods.
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Affiliation(s)
- V. R. Litvinova
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
| | - A. P. Rudometov
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
| | - L. I. Karpenko
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
| | - A. A. Ilyichev
- State Research Center of Virology and Biotechnology “Vector”, Federal Service for Surveillance on Consumer Rights Protection and Human Welfare, 630559 Koltsovo, Novosibirsk Region Russia
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30
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Niazi SK. RNA Therapeutics: A Healthcare Paradigm Shift. Biomedicines 2023; 11:biomedicines11051275. [PMID: 37238946 DOI: 10.3390/biomedicines11051275] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/14/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
COVID-19 brought about the mRNA vaccine and a paradigm shift to a new mode of treating and preventing diseases. Synthetic RNA products are a low-cost solution based on a novel method of using nucleosides to act as an innate medicine factory with unlimited therapeutic possibilities. In addition to the common perception of vaccines preventing infections, the newer applications of RNA therapies include preventing autoimmune disorders, such as diabetes, Parkinson's disease, Alzheimer's disease, and Down syndrome; now, we can deliver monoclonal antibodies, hormones, cytokines, and other complex proteins, reducing the manufacturing hurdles associated with these products. Newer PCR technology removes the need for the bacterial expression of DNA, making mRNA a truly synthetic product. AI-driven product design expands the applications of mRNA technology to repurpose therapeutic proteins and test their safety and efficacy quickly. As the industry focuses on mRNA, many novel opportunities will arise, as hundreds of products under development will bring new perspectives based on this significant paradigm shift-finding newer solutions to existing challenges in healthcare.
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Affiliation(s)
- Sarfaraz K Niazi
- College of Pharmacy, University of Illinois, Chicago, IL 60612, USA
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Guo X, Liu D, Huang Y, Deng Y, Wang Y, Mao J, Zhou Y, Xiong Y, Gao X. Revolutionizing viral disease vaccination: the promising clinical advancements of non-replicating mRNA vaccines. Virol J 2023; 20:64. [PMID: 37029389 PMCID: PMC10081822 DOI: 10.1186/s12985-023-02023-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 03/28/2023] [Indexed: 04/09/2023] Open
Abstract
The mRNA vaccine technology was developed rapidly during the global pandemic of COVID-19. The crucial role of the COVID-19 mRNA vaccine in preventing viral infection also have been beneficial to the exploration and application of other viral mRNA vaccines, especially for non-replication structure mRNA vaccines of viral disease with outstanding research results. Therefore, this review pays attention to the existing mRNA vaccines, which are of great value for candidates for clinical applications in viral diseases. We provide an overview of the optimization of the mRNA vaccine development process as well as the good immune efficacy and safety shown in clinical studies. In addition, we also provide a brief description of the important role of mRNA immunomodulators in the treatment of viral diseases. After that, it will provide a good reference or strategy for research on mRNA vaccines used in clinical medicine with more stable structures, higher translation efficiency, better immune efficacy and safety, shorter production time, and lower production costs than conditional vaccines to be used as preventive or therapeutic strategy for the control of viral diseases in the future.
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Affiliation(s)
- Xiao Guo
- School of Basic Medicine, Zunyi Medical University, West No. 6 Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, People's Republic of China
| | - Dongying Liu
- School of Basic Medicine, Zunyi Medical University, West No. 6 Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, People's Republic of China
| | - Yukai Huang
- School of Basic Medicine, Zunyi Medical University, West No. 6 Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, People's Republic of China
| | - Youcai Deng
- Department of Hematology, College of Pharmacy, Army Medical University (Third Military Medical University), Chongqing, People's Republic of China
| | - Ying Wang
- Modern Medical Teaching and Research Section, Department of Tibetan Medicine, University of Tibetan Medicine, No. 10 Dangre Middle Rd, Chengguan District, Lhasa, 850000, Tibet Autonomous Region, People's Republic of China
| | - Jingrui Mao
- School of Basic Medicine, Zunyi Medical University, West No. 6 Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, People's Republic of China
| | - Yuancheng Zhou
- Livestock and Poultry Biological Products Key Laboratory of Sichuan Province, Sichuan Animal Science Academy. No, 6 Niusha Road, Jinjiang District, Chengdu, 610299, People's Republic of China
| | - Yongai Xiong
- School of Pharmacy, Zunyi Medical University, West No. 6 Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, People's Republic of China.
| | - Xinghong Gao
- School of Basic Medicine, Zunyi Medical University, West No. 6 Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, People's Republic of China.
- Key Laboratory of Infectious Disease and Bio-Safety, Provincial Department of Education, Zunyi Medical University, West No. 6 Xuefu Road, Xinpu District, Zunyi, 563006, Guizhou, People's Republic of China.
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Efficacy of an unmodified bivalent mRNA vaccine against SARS-CoV-2 variants in female small animal models. Nat Commun 2023; 14:816. [PMID: 36781853 PMCID: PMC9924835 DOI: 10.1038/s41467-023-36110-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 01/15/2023] [Indexed: 02/15/2023] Open
Abstract
Combining optimized spike (S) protein-encoding mRNA vaccines to target multiple SARS-CoV-2 variants could improve control of the COVID-19 pandemic. We compare monovalent and bivalent mRNA vaccines encoding B.1.351 (Beta) and/or B.1.617.2 (Delta) SARS-CoV-2 S-protein in a transgenic mouse and a Wistar rat model. The blended low-dose bivalent mRNA vaccine contains half the mRNA of each respective monovalent vaccine, but induces comparable neutralizing antibody titres, enrichment of lung-resident memory CD8+ T cells, antigen-specific CD4+ and CD8+ responses, and protects transgenic female mice from SARS-CoV-2 lethality. The bivalent mRNA vaccine significantly reduces viral replication in both Beta- and Delta-challenged mice. Sera from bivalent mRNA vaccine immunized female Wistar rats also contain neutralizing antibodies against the B.1.1.529 (Omicron BA.1 and BA.5) variants. These data suggest that low-dose and fit-for-purpose multivalent mRNA vaccines encoding distinct S-proteins are feasible approaches for extending the coverage of vaccines for emerging and co-circulating SARS-CoV-2 variants.
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Miao G, Chen Z, Cao H, Wu W, Chu X, Liu H, Zhang L, Zhu H, Cai H, Lu X, Shi J, Liu Y, Feng T. From Immunogen to COVID-19 vaccines: Prospects for the post-pandemic era. Biomed Pharmacother 2023; 158:114208. [PMID: 36800265 PMCID: PMC9805901 DOI: 10.1016/j.biopha.2022.114208] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/30/2022] [Accepted: 12/30/2022] [Indexed: 01/03/2023] Open
Abstract
The COVID-19 pandemic has affected millions of people and posed an unprecedented burden on healthcare systems and economies worldwide since the outbreak of the COVID-19. A considerable number of nations have investigated COVID-19 and proposed a series of prevention and treatment strategies thus far. The pandemic prevention strategies implemented in China have suggested that the spread of COVID-19 can be effectively reduced by restricting large-scale gathering, developing community-scale nucleic acid testing, and conducting epidemiological investigations, whereas sporadic cases have always been identified in numerous places. Currently, there is still no decisive therapy for COVID-19 or related complications. The development of COVID-19 vaccines has raised the hope for mitigating this pandemic based on the intercross immunity induced by COVID-19. Thus far, several types of COVID-19 vaccines have been developed and released to into financial markets. From the perspective of vaccine use in globe, COVID-19 vaccines are beneficial to mitigate the pandemic, whereas the relative adverse events have been reported progressively. This is a review about the development, challenges and prospects of COVID-19 vaccines, and it can provide more insights into all aspects of the vaccines.
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Affiliation(s)
- Ganggang Miao
- Department of General Surgery, The People’s Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Danyang, China,Department of General Surgery, The Affiliated Nanjing Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiqiang Chen
- Department of Nuclear Medicine, The First Affiliated Hospital of Suzhou University, Suzhou, China
| | - Hengsong Cao
- Department of General Surgery, The Affiliated Nanjing Hospital of Nanjing Medical University, Nanjing, China
| | - Wenhao Wu
- Department of Clinical Medicine, Nanjing Medical University The First School of Clinical Medicine, Nanjing, China
| | - Xi Chu
- Department of Radiology, Nanjing Medical University The Fourth School of Clinical Medicine, Nanjing, China
| | - Hanyuan Liu
- Department of General Surgery, The Affiliated Nanjing Hospital of Nanjing Medical University, Nanjing, China
| | - Leyao Zhang
- Department of Clinical Medicine, Nanjing Medical University The First School of Clinical Medicine, Nanjing, China
| | - Hongfei Zhu
- Department of Clinical Medicine, Nanjing Medical University The First School of Clinical Medicine, Nanjing, China
| | - Hongzhou Cai
- Department of Urology, Jiangsu Cancer Hospital &The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Institute of Cancer Research, Nanjing, China.
| | - Xiaolan Lu
- Department of Clinical laboratory, Canglang Hospital of Suzhou, Suzhou, China.
| | - Junfeng Shi
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China; Department of Molecular and Celluar Biochemistry, Markey Cancer Center, University of Kentucky, Lexington, KY, USA.
| | - Yuan Liu
- Department of Infectious Disease,The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Tingting Feng
- Jiangsu Key Laboratory of Infection and Immunity, Institute of Biology and Medical Sciences, Soochow University, Suzhou, China.
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Zhang HP, Sun YL, Wang YF, Yazici D, Azkur D, Ogulur I, Azkur AK, Yang ZW, Chen XX, Zhang AZ, Hu JQ, Liu GH, Akdis M, Akdis CA, Gao YD. Recent developments in the immunopathology of COVID-19. Allergy 2023; 78:369-388. [PMID: 36420736 PMCID: PMC10108124 DOI: 10.1111/all.15593] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 11/01/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
There has been an important change in the clinical characteristics and immune profile of Coronavirus disease 2019 (COVID-19) patients during the pandemic thanks to the extensive vaccination programs. Here, we highlight recent studies on COVID-19, from the clinical and immunological characteristics to the protective and risk factors for severity and mortality of COVID-19. The efficacy of the COVID-19 vaccines and potential allergic reactions after administration are also discussed. The occurrence of new variants of concerns such as Omicron BA.2, BA.4, and BA.5 and the global administration of COVID-19 vaccines have changed the clinical scenario of COVID-19. Multisystem inflammatory syndrome in children (MIS-C) may cause severe and heterogeneous disease but with a lower mortality rate. Perturbations in immunity of T cells, B cells, and mast cells, as well as autoantibodies and metabolic reprogramming may contribute to the long-term symptoms of COVID-19. There is conflicting evidence about whether atopic diseases, such as allergic asthma and rhinitis, are associated with a lower susceptibility and better outcomes of COVID-19. At the beginning of pandemic, the European Academy of Allergy and Clinical Immunology (EAACI) developed guidelines that provided timely information for the management of allergic diseases and preventive measures to reduce transmission in the allergic clinics. The global distribution of COVID-19 vaccines and emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants with reduced pathogenic potential dramatically decreased the morbidity, severity, and mortality of COVID-19. Nevertheless, breakthrough infection remains a challenge for disease control. Hypersensitivity reactions (HSR) to COVID-19 vaccines are low compared to other vaccines, and these were addressed in EAACI statements that provided indications for the management of allergic reactions, including anaphylaxis to COVID-19 vaccines. We have gained a depth knowledge and experience in the over 2 years since the start of the pandemic, and yet a full eradication of SARS-CoV-2 is not on the horizon. Novel strategies are warranted to prevent severe disease in high-risk groups, the development of MIS-C and long COVID-19.
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Affiliation(s)
- Huan-Ping Zhang
- Department of Allergology, Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Yuan-Li Sun
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yan-Fen Wang
- Department of Pediatrics, Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Duygu Yazici
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Dilek Azkur
- Division of Pediatric Allergy and Immunology, Department of Pediatrics, Faculty of Medicine, University of Kirikkale, Kirikkale, Turkey
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Ahmet Kursat Azkur
- Department of Virology, Faculty of Veterinary Medicine, University of Kirikkale, Kirikkale, Turkey
| | - Zhao-Wei Yang
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiao-Xue Chen
- Department of Allergology, Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Ai-Zhi Zhang
- Intensive Care Unit, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jia-Qian Hu
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Guang-Hui Liu
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Ya-Dong Gao
- Department of Allergology, Zhongnan Hospital of Wuhan University, Wuhan, China
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Roth N, Gergen J, Kovacikova K, Mueller SO, Ulrich L, Schön J, Halwe NJ, Fricke C, Corleis B, Dorhoi A, Hoffmann D, Beer M, Maione D, Petsch B, Rauch S. Assessment of Immunogenicity and Efficacy of CV0501 mRNA-Based Omicron COVID-19 Vaccination in Small Animal Models. Vaccines (Basel) 2023; 11:vaccines11020318. [PMID: 36851196 PMCID: PMC9965737 DOI: 10.3390/vaccines11020318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/27/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) Omicron and its subvariants (BA.2, BA.4, BA.5) represented the most commonly circulating variants of concern (VOC) in the coronavirus disease 2019 (COVID-19) pandemic in 2022. Despite high vaccination rates with approved SARS-CoV-2 vaccines encoding the ancestral spike (S) protein, these Omicron subvariants have collectively resulted in increased viral transmission and disease incidence. This necessitates the development and characterization of vaccines incorporating later emerging S proteins to enhance protection against VOC. In this context, bivalent vaccine formulations may induce broad protection against VOC and potential future SARS-CoV-2 variants. Here, we report preclinical data for a lipid nanoparticle (LNP)-formulated RNActive® N1-methylpseudouridine (N1mΨ) modified mRNA vaccine (CV0501) based on our second-generation SARS-CoV-2 vaccine CV2CoV, encoding the S protein of Omicron BA.1. The immunogenicity of CV0501, alone or in combination with a corresponding vaccine encoding the ancestral S protein (ancestral N1mΨ), was first measured in dose-response and booster immunization studies performed in Wistar rats. Both monovalent CV0501 and bivalent CV0501/ancestral N1mΨ immunization induced robust neutralizing antibody titers against the BA.1, BA.2 and BA.5 Omicron subvariants, in addition to other SARS-CoV-2 variants in a booster immunization study. The protective efficacy of monovalent CV0501 against live SARS-CoV-2 BA.2 infection was then assessed in hamsters. Monovalent CV0501 significantly reduced SARS-CoV-2 BA.2 viral loads in the airways, demonstrating protection induced by CV0501 vaccination. CV0501 has now advanced into human Phase 1 clinical trials (ClinicalTrials.gov Identifier: NCT05477186).
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Affiliation(s)
| | | | | | | | - Lorenz Ulrich
- Institute of Diagnostic Virology, Friedrich Loeffler Institut, 17493 Griefswald-Insel Riems, Germany
| | - Jacob Schön
- Institute of Diagnostic Virology, Friedrich Loeffler Institut, 17493 Griefswald-Insel Riems, Germany
| | - Nico Joel Halwe
- Institute of Diagnostic Virology, Friedrich Loeffler Institut, 17493 Griefswald-Insel Riems, Germany
| | - Charlie Fricke
- Institute of Immunology, Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Björn Corleis
- Institute of Immunology, Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Anca Dorhoi
- Institute of Immunology, Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany
| | - Donata Hoffmann
- Institute of Diagnostic Virology, Friedrich Loeffler Institut, 17493 Griefswald-Insel Riems, Germany
| | - Martin Beer
- Institute of Diagnostic Virology, Friedrich Loeffler Institut, 17493 Griefswald-Insel Riems, Germany
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Usero L, Leal L, Gómez CE, Miralles L, Aurrecoechea E, Esteban I, Torres B, Inciarte A, Perdiguero B, Esteban M, García F, Plana M. The Combination of an mRNA Immunogen, a TLR7 Agonist and a PD1 Blocking Agent Enhances In-Vitro HIV T-Cell Immune Responses. Vaccines (Basel) 2023; 11:vaccines11020286. [PMID: 36851164 PMCID: PMC9961394 DOI: 10.3390/vaccines11020286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/17/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
The development of new strategies to achieve a functional cure for HIV remains a priority. We tested a novel HIV therapeutic vaccine using unmodified mRNA (TMEP-B) and mRNA modified by 1-methyl-3'-pseudouridylyl (TMEP-Bmod) expressing both a multiepitopic sequences from Gag, Pol, and Nef proteins, including different CD4 and CD8 T-cell epitopes functionally associated with HIV control in transfected monocyte-derived dendritic cells (MDDCs) obtained from HIV infected patients. In vitro assays were used to test the mRNAs alone and in combination with immunomodulator agents, such as the TLR-7 agonist Vesatolimod and the PD-1 antagonist Nivolumab to try to improve HIV-specific cellular immune responses. Combining the mRNAs with the immunomodulators enhanced HIV-specific T-cell responses, together with the secretion of IFNγ, IP10, MIP-1α, and MIP-1β, which are fundamental mediators of viral control. Our data suggest that the mRNA vaccine prototypes TMEP-B and TMEP-Bmod, when combined with Vesatolimod and/or Nivolumab, could achieve functional cure for patients with HIV.
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Affiliation(s)
- Lorena Usero
- AIDS Research Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, Spain
| | - Lorna Leal
- AIDS Research Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, Spain
- Infectious Diseases Department, Hospital Clínic, University of Barcelona, 08036 Barcelona, Spain
| | - Carmen Elena Gómez
- Centro Nacional de Biotecnología (CNB), Department of Molecular and Cellular Biology, Consejo Superior de Investigaciones Científicas (CSIC), 28049 Madrid, Spain
- CIBERINFEC, ISCIII—CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Laia Miralles
- AIDS Research Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, Spain
| | - Elena Aurrecoechea
- AIDS Research Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, Spain
| | - Ignasi Esteban
- AIDS Research Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, Spain
| | - Berta Torres
- Infectious Diseases Department, Hospital Clínic, University of Barcelona, 08036 Barcelona, Spain
| | - Alexy Inciarte
- Infectious Diseases Department, Hospital Clínic, University of Barcelona, 08036 Barcelona, Spain
| | - Beatriz Perdiguero
- Centro Nacional de Biotecnología (CNB), Department of Molecular and Cellular Biology, Consejo Superior de Investigaciones Científicas (CSIC), 28049 Madrid, Spain
- CIBERINFEC, ISCIII—CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Mariano Esteban
- Centro Nacional de Biotecnología (CNB), Department of Molecular and Cellular Biology, Consejo Superior de Investigaciones Científicas (CSIC), 28049 Madrid, Spain
| | - Felipe García
- Infectious Diseases Department, Hospital Clínic, University of Barcelona, 08036 Barcelona, Spain
| | - Montserrat Plana
- AIDS Research Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, Spain
- CIBERINFEC, ISCIII—CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-93-227-5400 (ext. 2447)
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Lee KM, Lin SJ, Wu CJ, Kuo RL. Race with virus evolution: The development and application of mRNA vaccines against SARS-CoV-2. Biomed J 2023; 46:70-80. [PMID: 36642222 PMCID: PMC9837160 DOI: 10.1016/j.bj.2023.01.002] [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: 10/28/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Since the COVID-19 pandemic was declared, vaccines against SARS-CoV-2 have been urgently developed around the world. On the basis of the mRNA vaccine technology developed previously, COVID-19 mRNA vaccines were promptly tested in animals, advanced to clinical trials, and then authorized for emergency use in humans. The administration of COVID-19 mRNA vaccines has successfully reduced the hospitalization and mortality caused by the viral infection, although the virus continuously evolves with its transmission. Therefore, the development of mRNA vaccine technology, including RNA modification and delivery systems, is well recognized for its contribution to moderating the harms caused by the COVID-19 pandemic. The scientists who developed these technologies, Katalin Karikó, Drew Weissman, and Pieter Cullis, were awarded the 2022 Tang Prize in Biopharmaceutical Science. In this review, we summarize the principles, safety and efficacy of as well as the immune response to COVID-19 mRNA vaccines. Since mRNA vaccine approaches could be practical for the prevention of infectious diseases, we also briefly describe mRNA vaccines against other human viral pathogens in clinical trials.
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Affiliation(s)
- Kuo-Ming Lee
- Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Taoyuan, Taiwan,International Master Degree Program for Molecular Medicine in Emerging Viral Infections, College of Medicine, Chang Gung University, Taoyuan, Taiwan,Division of Infectious Diseases, Department of Pediatrics, Chang Gung Memorial Hospital at Linkou, Linkou, Taiwan
| | - Syh-Jae Lin
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital at Linkou, Linkou, Taiwan,School of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chung-Jung Wu
- Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Rei-Lin Kuo
- Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Taoyuan, Taiwan; International Master Degree Program for Molecular Medicine in Emerging Viral Infections, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital at Linkou, Linkou, Taiwan; Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
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Matarazzo L, Bettencourt PJG. mRNA vaccines: a new opportunity for malaria, tuberculosis and HIV. Front Immunol 2023; 14:1172691. [PMID: 37168860 PMCID: PMC10166207 DOI: 10.3389/fimmu.2023.1172691] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/10/2023] [Indexed: 05/13/2023] Open
Abstract
The success of the first licensed mRNA-based vaccines against COVID-19 has created a widespread interest on mRNA technology for vaccinology. As expected, the number of mRNA vaccines in preclinical and clinical development increased exponentially since 2020, including numerous improvements in mRNA formulation design, delivery methods and manufacturing processes. However, the technology faces challenges such as the cost of raw materials, the lack of standardization, and delivery optimization. MRNA technology may provide a solution to some of the emerging infectious diseases as well as the deadliest hard-to-treat infectious diseases malaria, tuberculosis, and human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS), for which an effective vaccine, easily deployable to endemic areas is urgently needed. In this review, we discuss the functional structure, design, manufacturing processes and delivery methods of mRNA vaccines. We provide an up-to-date overview of the preclinical and clinical development of mRNA vaccines against infectious diseases, and discuss the immunogenicity, efficacy and correlates of protection of mRNA vaccines, with particular focus on research and development of mRNA vaccines against malaria, tuberculosis and HIV.
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Affiliation(s)
- Laura Matarazzo
- Center for Interdisciplinary Research in Health, Universidade Católica Portuguesa, Lisboa, Portugal
- Faculty of Medicine, Universidade Católica Portuguesa, Rio de Mouro, Portugal
| | - Paulo J. G. Bettencourt
- Center for Interdisciplinary Research in Health, Universidade Católica Portuguesa, Lisboa, Portugal
- Faculty of Medicine, Universidade Católica Portuguesa, Rio de Mouro, Portugal
- *Correspondence: Paulo J. G. Bettencourt,
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Brady C, Tipton T, Longet S, Carroll MW. Pre-clinical models to define correlates of protection for SARS-CoV-2. Front Immunol 2023; 14:1166664. [PMID: 37063834 PMCID: PMC10097995 DOI: 10.3389/fimmu.2023.1166664] [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: 02/15/2023] [Accepted: 03/22/2023] [Indexed: 04/18/2023] Open
Abstract
A defined immune profile that predicts protection against a pathogen-of-interest, is referred to as a correlate of protection (CoP). A validated SARS-CoV-2 CoP has yet to be defined, however considerable insights have been provided by pre-clinical vaccine and animal rechallenge studies which have fewer associated limitations than equivalent studies in human vaccinees or convalescents, respectively. This literature review focuses on the advantages of the use of animal models for the definition of CoPs, with particular attention on their application in the search for SARS-CoV-2 CoPs. We address the conditions and interventions required for the identification and validation of a CoP, which are often only made possible with the use of appropriate in vivo models.
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Affiliation(s)
- Caolann Brady
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics and Pandemic Sciences Institute, University of Oxford, Oxford, United Kingdom
- *Correspondence: Caolann Brady, ; Miles W. Carroll,
| | - Tom Tipton
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics and Pandemic Sciences Institute, University of Oxford, Oxford, United Kingdom
| | - Stephanie Longet
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics and Pandemic Sciences Institute, University of Oxford, Oxford, United Kingdom
- International Center for Infectiology Research (CIRI), Team GIMAP, Claude Bernard Lyon 1 University, Inserm, U1111, CNRS, UMR530, Saint-Etienne, France
| | - Miles W. Carroll
- Nuffield Department of Medicine, Wellcome Centre for Human Genetics and Pandemic Sciences Institute, University of Oxford, Oxford, United Kingdom
- *Correspondence: Caolann Brady, ; Miles W. Carroll,
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40
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Kim B, Hosn RR, Remba T, Yun D, Li N, Abraham W, Melo MB, Cortes M, Li B, Zhang Y, Dong Y, Irvine DJ. Optimization of storage conditions for lipid nanoparticle-formulated self-replicating RNA vaccines. J Control Release 2023; 353:241-253. [PMID: 36414195 PMCID: PMC9708520 DOI: 10.1016/j.jconrel.2022.11.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 11/03/2022] [Accepted: 11/13/2022] [Indexed: 12/03/2022]
Abstract
The recent clinical success of multiple mRNA-based SARS-CoV-2 vaccines has proven the potential of RNA formulated in lipid nanoparticles (LNPs) in humans, and products based on base-modified RNA, sequence-optimized RNA, and self-replicating RNAs formulated in LNPs are all in various stages of clinical development. However, much remains to be learned about critical parameters governing the manufacturing and use of LNP-RNA formulations. One important issue that has received limited attention in the literature to date is the identification of optimal storage conditions for LNP-RNA that preserve long-term activity of the formulations. Here, we analyzed the physical structure, in vivo expression characteristics, and functional activity of alphavirus-derived self-replicating RNA (repRNA)-loaded LNPs encoding HIV vaccine antigens following storage in varying temperatures, buffers, and in the presence or absence of cryoprotectants. We found that for lipid nanoparticles with compositions similar to clinically-used LNPs, storage in RNAse-free PBS containing 10% (w/v) sucrose at -20 °C was able to maintain vaccine stability and in vivo potency at a level equivalent to freshly prepared vaccines following 30 days of storage. LNPs loaded with repRNA could also be lyophilized with retention of bioactivity.
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Affiliation(s)
- Byungji Kim
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Ryan R Hosn
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Tanaka Remba
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Dongsoo Yun
- Nanotechnology Materials Core, Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Na Li
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Wuhbet Abraham
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Mariane B Melo
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Manuel Cortes
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32611, USA
| | - Bridget Li
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Yuebao Zhang
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Yizhou Dong
- Division of Pharmaceutics & Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States; Department of Biomedical Engineering, The Center for Clinical and Translational Science, The Comprehensive Cancer Center, Dorothy M. Davis Heart & Lung Research Institute, Department of Radiation Oncology, Center for Cancer Engineering, Center for Cancer Metabolism, Pelotonia Institute for Immune-Oncology, The Ohio State University, Columbus, OH 43210, United States
| | - Darrell J Irvine
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Departments of Biological Engineering and Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
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41
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Dolgin E. Trial settles debate over best design for mRNA in COVID vaccines. Nature 2023; 613:419-420. [PMID: 36639446 DOI: 10.1038/d41586-023-00042-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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42
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Wuebben C, Bartok E, Hartmann G. Innate sensing of mRNA vaccines. Curr Opin Immunol 2022; 79:102249. [PMID: 36334350 DOI: 10.1016/j.coi.2022.102249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 01/30/2023]
Abstract
With the recent success of mRNA vaccines and the approval of several RNA oligonucleotide therapeutics, RNA holds great promise for future drug development. The rise of RNA therapeutics has been enabled by the tremendous progress in our understanding of the sophisticated cellular mechanisms that disarm potentially dangerous exogenous RNA and safeguard RNA homeostasis. Exogenous RNA, such as an mRNA vaccine when injected, faces an intricate system of immune-sensing receptors, restriction factors, and nucleases referred to as nucleic acid immunity. A careful analysis of the functional interaction between the innate response to mRNA, the efficacy to translate the encoded protein antigen, and the quality of the resulting adaptive immunity bears great potential for further improvement of mRNA vaccines and RNA therapeutics for various clinical applications. In this review, we summarize the most recent efforts to advance mRNA vaccines by capitalizing on recent insight in innate RNA sensing.
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Affiliation(s)
- Christine Wuebben
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Campus Venusberg, Bonn, Germany
| | - Eva Bartok
- Institute of Experimental Haematology and Transfusion Medicine, University Hospital Bonn, Campus Venusberg, Bonn, Germany
| | - Gunther Hartmann
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Campus Venusberg, Bonn, Germany; German Center of Infection Research (DZIF), site Bonn-Cologne, Germany.
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Das R, Kanjilal P, Medeiros J, Thayumanavan S. What's Next after Lipid Nanoparticles? A Perspective on Enablers of Nucleic Acid Therapeutics. Bioconjug Chem 2022; 33:1996-2007. [PMID: 35377622 PMCID: PMC9530067 DOI: 10.1021/acs.bioconjchem.2c00058] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Recent success of mRNA-based COVID-19 vaccines have bolstered the strength of nucleic acids as a therapeutic platform. The number of new clinical trial candidates is skyrocketing with the potential to address many unmet clinical needs. Despite advancements in other aspects, the systemic delivery of nucleic acids to target sites remains a major challenge. Thus, nucleic acid based therapy has yet to reach its full potential. In this review, we shed light on a select few prospective technologies that exhibit substantial potential over traditional nanocarrier designs for nucleic acid delivery. We critically analyze these systems with specific attention to the possibilities for clinical translation.
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Affiliation(s)
- Ritam Das
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
- The Center for Bioactive Delivery-Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Pintu Kanjilal
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
- The Center for Bioactive Delivery-Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Jewel Medeiros
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
- The Center for Bioactive Delivery-Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - S Thayumanavan
- Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
- Molecular and Cellular Biology Program, University of Massachusetts, Amherst, Massachusetts 01003, United States
- The Center for Bioactive Delivery-Institute for Applied Life Sciences, University of Massachusetts, Amherst, Massachusetts 01003, United States
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Verbeke R, Hogan MJ, Loré K, Pardi N. Innate immune mechanisms of mRNA vaccines. Immunity 2022; 55:1993-2005. [PMID: 36351374 PMCID: PMC9641982 DOI: 10.1016/j.immuni.2022.10.014] [Citation(s) in RCA: 107] [Impact Index Per Article: 53.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/08/2022] [Accepted: 10/13/2022] [Indexed: 11/09/2022]
Abstract
The lipid nanoparticle (LNP)-encapsulated, nucleoside-modified mRNA platform has been used to generate safe and effective vaccines in record time against COVID-19. Here, we review the current understanding of the manner whereby mRNA vaccines induce innate immune activation and how this contributes to protective immunity. We discuss innate immune sensing of mRNA vaccines at the cellular and intracellular levels and consider the contribution of both the mRNA and the LNP components to their immunogenicity. A key message that is emerging from recent observations is that the LNP carrier acts as a powerful adjuvant for this novel vaccine platform. In this context, we highlight important gaps in understanding and discuss how new insight into the mechanisms underlying the effectiveness of mRNA-LNP vaccines may enable tailoring mRNA and carrier molecules to develop vaccines with greater effectiveness and milder adverse events in the future.
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Affiliation(s)
- Rein Verbeke
- Ghent Research Group on Nanomedicines, Faculty of Pharmacy, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; Department of Biochemistry and Molecular Biology, University of British Columbia, BC V6T 1Z4, Vancouver, Canada.
| | - Michael J Hogan
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Karin Loré
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, 171 64 Solna, Sweden; Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Norbert Pardi
- Department of Microbiology, University of Pennsylvania, Philadelphia, PA 19104, USA.
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45
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Unlocking the promise of mRNA therapeutics. Nat Biotechnol 2022; 40:1586-1600. [PMID: 36329321 DOI: 10.1038/s41587-022-01491-z] [Citation(s) in RCA: 113] [Impact Index Per Article: 56.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/11/2022] [Accepted: 07/07/2022] [Indexed: 11/06/2022]
Abstract
The extraordinary success of mRNA vaccines against coronavirus disease 2019 (COVID-19) has renewed interest in mRNA as a means of delivering therapeutic proteins. Early clinical trials of mRNA therapeutics include studies of paracrine vascular endothelial growth factor (VEGF) mRNA for heart failure and of CRISPR-Cas9 mRNA for a congenital liver-specific storage disease. However, a series of challenges remains to be addressed before mRNA can be established as a general therapeutic modality with broad relevance to both rare and common diseases. An array of new technologies is being developed to surmount these challenges, including approaches to optimize mRNA cargos, lipid carriers with inherent tissue tropism and in vivo percutaneous delivery systems. The judicious integration of these advances may unlock the promise of biologically targeted mRNA therapeutics, beyond vaccines and other immunostimulatory agents, for the treatment of diverse clinical indications.
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46
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Abstract
Messenger RNA (mRNA) is an emerging class of therapeutic agent for the prevention and treatment of a wide range of diseases. The recent success of the two highly efficacious mRNA vaccines produced by Moderna and Pfizer-BioNTech to protect against COVID-19 highlights the huge potential of mRNA technology for revolutionizing life science and medical research. Challenges related to mRNA stability and immunogenicity, as well as in vivo delivery and the ability to cross multiple biological barriers, have been largely addressed by recent progress in mRNA engineering and delivery. In this Review, we present the latest advances and innovations in the growing field of mRNA nanomedicine, in the context of ongoing clinical translation and future directions to improve clinical efficacy.
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Migus A. [Industrial property and basic research in the genesis of the mRNA vaccine against COVID-19]. BULLETIN DE L'ACADEMIE NATIONALE DE MEDECINE 2022; 206:1214-1222. [PMID: 36267560 PMCID: PMC9558088 DOI: 10.1016/j.banm.2022.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/08/2022] [Indexed: 11/05/2022]
Abstract
L’extrême rapidité de la conception et de l’approbation provisoire des vaccins à ARNm contre la covid-19, ainsi que la rapidité de leur production de masse un an après le début de la pandémie, ont surpris et contredit tous les spécialistes et les grandes entreprises pharmaceutiques qui s’attendaient à des années de développement. Leur efficacité supérieure aux autres vaccins devrait rendre les vaccins ARNm indispensables, mais leur diffusion reste faible en dehors des pays développés. Diverses raisons sont invoquées, allant des difficultés logistiques à la méfiance des populations ou à l’impossibilité de les produire localement sans lever les brevets. Considérant que, dans ces débats, ces brevets peuvent être remis en cause parce qu’ils ne répondraient pas aux critères nécessaires d’inventivité, il est apparu nécessaire de revenir sur l’histoire, sur plus de trois décennies, de la recherche académique et entrepreneuriale qui a conduit à l’avènement des plateformes mRNA, d’examiner leurs mérites réciproques et le rôle de la propriété industrielle pour les entreprises de biotechnologie.
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Cacicedo ML, Weinl-Tenbruck C, Frank D, Limeres MJ, Wirsching S, Hilbert K, Pasha Famian MA, Horscroft N, Hennermann JB, Zepp F, Chevessier-Tünnesen F, Gehring S. Phenylalanine hydroxylase mRNA rescues the phenylketonuria phenotype in mice. Front Bioeng Biotechnol 2022; 10:993298. [PMID: 36277393 PMCID: PMC9585315 DOI: 10.3389/fbioe.2022.993298] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/16/2022] [Indexed: 11/13/2022] Open
Abstract
Phenylketonuria (PKU) is an inborn error of metabolism caused by a deficiency in functional phenylalanine hydroxylase (PAH), resulting in accumulation of phenylalanine (Phe) in patients’ blood and organs. Affected patients encounter severe developmental delay, neurological deficits, and behavioral abnormalities when not treated. Early diagnosis and treatment are extremely important; newborn screening programs have been implemented in most countries to ensure early identification of patients with PKU. Despite available treatment options, several challenges remain: life-long adherence to a strict diet, approval of some medications for adults only, and lack of response to these therapies in a subpopulation of patients. Therefore, there is an urgent need for treatment alternatives. An mRNA-based approach tested in PKU mice showed a fast reduction in the accumulation of Phe in serum, liver and brain, the most significant organ affected. Repeated injections of LNP-formulated mouse PAH mRNA rescued PKU mice from the disease phenotype for a prolonged period of time. An mRNA-based approach could improve the quality of life tremendously in PKU patients of all ages by replacing standard-of-care treatments.
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Affiliation(s)
- Maximiliano L. Cacicedo
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
- *Correspondence: Maximiliano L. Cacicedo,
| | | | - Daniel Frank
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
| | - Maria Jose Limeres
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
| | - Sebastian Wirsching
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
| | - Katja Hilbert
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
| | | | | | - Julia B. Hennermann
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
| | - Fred Zepp
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
| | | | - Stephan Gehring
- Children’s Hospital, University Medical Center of the Johannes-Gutenberg University, Mainz, Germany
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Lenart K, Hellgren F, Ols S, Yan X, Cagigi A, Cerveira RA, Winge I, Hanczak J, Mueller SO, Jasny E, Schwendt K, Rauch S, Petsch B, Loré K. A third dose of the unmodified COVID-19 mRNA vaccine CVnCoV enhances quality and quantity of immune responses. Mol Ther Methods Clin Dev 2022; 27:309-323. [PMID: 36217434 PMCID: PMC9535876 DOI: 10.1016/j.omtm.2022.10.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/04/2022] [Indexed: 10/24/2022]
Abstract
A third vaccine dose is often required to achieve potent, long-lasting immune responses. We investigated the impact of three 8 μg doses of CVnCoV, CureVac's SARS-CoV-2 vaccine candidate containing sequence-optimized unmodified mRNA encoding spike (S) glycoprotein, administered at 0, 4 and 28 weeks on immune responses in rhesus macaques. Following the third dose S-specific binding and neutralizing antibodies increased 50-fold compared with post-dose 2 levels, with increased responses also evident in the lower airways and against the SARS-CoV-2 B.1.1.7 (Alpha), B.1.351 (Beta), P.1 (Gamma) and B.1.617.2 (Delta) variants. Enhanced binding affinity of serum antibodies after the third dose correlated with higher somatic hypermutation in S-specific B cells, corresponding with improved binding properties of monoclonal antibodies expressed from isolated B cells. Administration of low dose mRNA led to fewer cells expressing antigen in vivo at the injection site and in the draining lymph nodes compared with a tenfold higher dose, possibly reducing the engagement of precursor cells with the antigen and resulting in the suboptimal response observed following two-dose vaccination schedules in phase IIb/III clinical trials of CVnCoV. However, when immune memory is established, a third dose efficiently boosts the immunological responses as well as improves antibody affinity and breadth.
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Affiliation(s)
- Klara Lenart
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Fredrika Hellgren
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Sebastian Ols
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Xianglei Yan
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Alberto Cagigi
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Rodrigo Arcoverde Cerveira
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Inga Winge
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jakub Hanczak
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | | | | | | | | | - Karin Loré
- Department of Medicine Solna, Division of Immunology and Allergy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden,Correspondence should be addressed to: Karin Loré, Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Visionsgatan 4, BioClinicum J7:30, Karolinska University Hospital, 171 64 Stockholm, Sweden. E-mail address:
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50
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Obeng EM, Fianu I, Danquah MK. Multivalent ACE2 engineering-A promising pathway for advanced coronavirus nanomedicine development. NANO TODAY 2022; 46:101580. [PMID: 35942040 PMCID: PMC9350675 DOI: 10.1016/j.nantod.2022.101580] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/26/2022] [Accepted: 07/30/2022] [Indexed: 05/06/2023]
Abstract
The spread of coronavirus diseases has resulted in a clarion call to develop potent drugs and vaccines even as different strains appear beyond human prediction. An initial step that is integral to the viral entry into host cells results from an active-targeted interaction of the viral spike (S) proteins and the cell surface receptor, called angiotensin-converting enzyme 2 (ACE2). Thus, engineered ACE2 has been an interesting decoy inhibitor against emerging coronavirus infestation. This article discusses promising innovative ACE2 engineering pathways for current and emerging coronavirus therapeutic development. First, we provide a brief discussion of some ACE2-associated human coronaviruses and their cell invasion mechanism. Then, we describe and contrast the individual spike proteins and ACE2 receptor interactions, highlighting crucial hotspots across the ACE2-associated coronaviruses. Lastly, we address the importance of multivalency in ACE2 nanomedicine engineering and discuss novel approaches to develop and achieve multivalent therapeutic outcomes. Beyond coronaviruses, these approaches will serve as a paradigm to develop new and improved treatment technologies against pathogens that use ACE2 receptor for invasion.
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Affiliation(s)
- Eugene M Obeng
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Isaac Fianu
- Department of Molecular Biology, Max Planck Institute for Multidisciplinary Sciences, 37077 Göttingen, Germany
| | - Michael K Danquah
- Department of Chemical Engineering, University of Tennessee, 615 McCallie Ave, Chattanooga, TN 37403, United States
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