Article(id=1194344007871459430, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1194344006382486063, articleNumber=1001-2494(2025)10-1013-06, orderNo=null, doi=10.11669/cpj.2025.10.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1737302400000, receivedDateStr=2025-01-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1762683401314, onlineDateStr=2025-11-09, pubDate=1746028800000, pubDateStr=2025-05-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762683401314, onlineIssueDateStr=2025-11-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762683401314, creator=13701087609, updateTime=1762683401314, updator=13701087609, issue=Issue{id=1194344006382486063, tenantId=1146029695717560320, journalId=1190317699101192196, year='2025', volume='60', issue='10', pageStart='1005', pageEnd='1102', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1762683400960, creator=13701087609, updateTime=1762844794786, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1195020941253128793, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1194344006382486063, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1195020941253128794, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1194344006382486063, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1013, endPage=1018, ext={EN=ArticleExt(id=1194344008756457578, articleId=1194344007871459430, tenantId=1146029695717560320, journalId=1190317699101192196, language=EN, title=Immunogenicity and Protective Efficacy of Influenza A H1N1 mRNA Vaccines in Mice, columnId=null, journalTitle=Chinese Pharmaceutical Journal, columnName=null, runingTitle=null, highlight=null, articleAbstract=

OBJECTIVE To investigate the immunogenicity and immune-protective efficiency of influenza A mRNA vaccines based on mRNA vaccine technology platform and provide new research strategies for the development of multivalent seasonal influenza mRNA vaccines. METHODS mRNA-H1N1 encapsulated by lipid nanoparticles(LNP) was transfected into HEK 293T cells, and the expression of LNP/mRNA-H1N1 was analyzed by Western blot and immunofluorescence microscopy in vitro, respectively. Furthermore, LNP/mRNA H1N1 was administered via intramuscular injection to SPF grade BALB/c mice, and the HA specific serum IgG titers induced by LNP/mRNA H1N1 were detected by ELISA. The secretion level of cytokine IFN-γ induced by LNP/mRNA-H1N1 was detected by ELISpot, HI titers induced by LNP/mRNA-H1N1 was measured by hemagglutination inhibition (HI) assay. Finally, the immune-protective efficacy LNP/mRNA-H1N1 was detected by the homologous H1N1 virus challenge experiment. RESULTS The specific expression of antigen protein HA could be detected by Western blot and fluorescence microscope, its molecular weight was approximately 75 000. Furthermore, LNP/mRNA-NH1N1 could induce significant humoral immune response, cellular immune response, and HI titers in BALB/c mice after prime and boost immunization. More importantly, LNP/mRNA-NH1N1 could provide 100% immune protection efficiency against H1N1 virus challenge. CONCLUSION LNP/mRNA-NH1N1 is an effective influenza mRNA candidate vaccine, laying the foundation for future preclinical safety evaluation trials in large animals and providing research ideas for the development of mRNA vaccines for other subtypes of influenza or other infectious disease vaccines.

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目的 基于mRNA疫苗技术平台考察甲型流感mRNA疫苗的免疫原性和免疫保护效率,为开发多价季节性流感mRNA疫苗提供新的研究策略。方法 利用即用型脂质纳米颗粒(lipid nanoparticles,LNP)对mRNA-H1N1进行包封,将LNP/mRNA-H1N1转染至HEK 293T细胞,通过蛋白质印迹法(Western blot)和免疫荧光显微镜对LNP/mRNA-H1N1的体外表达进行分析。进一步地,LNP/mRNA-H1N1以肌内注射途径免疫SPF级BALB/c小鼠,通过酶联免疫吸附实验(enzyme linked immunosorbent assay,ELISA)检测LNP/mRNA-H1N1诱导的血凝素(hemagglutinin,HA)特异性血清免疫球蛋白G(immunoglobulin G,IgG)效价。通过血凝抑制(hemagglutination inhibition,HI)实验检测LNP/mRNA-H1N1诱导的HI效价。通过酶联免疫斑点法(enzyme-linked immunosorbent spot assay,ELISpot)检测LNP/mRNA-H1N1诱导的细胞因子γ干扰素(interferon-gamma, IFN-γ)分泌水平,最后,通过同型H1N1病毒攻击实验检测LNP/mRNA-H1N1的免疫保护效率。结果 通过Western blot和免疫荧光显微镜均能检测到抗原蛋白HA的特异性表达,其相对分子质量约为75 000。LNP/mRNA-H1N1经初次与加强免疫BALB/c小鼠后诱导产生了有意义的体液免疫应答、细胞免疫应答和HI效价。更为重要的是,LNP/mRNA-H1N1能提供100%的免疫保护效率。结论 LNP/mRNA-H1N1是一种有效的甲型流感mRNA候选疫苗,为将来开展临床前大型动物的安评试验奠定了基础,也为开发其他亚型的流感mRNA疫苗或其他传染病疫苗提供了研究思路。

, correspAuthors=雷涵, authorNote=null, correspAuthorsNote=
*雷涵,男,博士,教授 研究方向:疫苗递送载体 Tel:(028)87634255
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周玉方,女,硕士研究生 研究方向:生物医药

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周玉方,女,硕士研究生 研究方向:生物医药

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周玉方,女,硕士研究生 研究方向:生物医药

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Influenza[J]. Nature, 2019, 573(7774): S49. DOI:10.1038/d41586-019-02750-x., articleTitle=BRODY H. Influenza, refAbstract=null), Reference(id=1194372477359977086, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2024, volume=55, issue=1, pageStart=75, pageEnd=86, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=PEREIRA L A, LAPINSCKI B A, SANTOS J S, journalName=Braz J Microbiol, refType=null, unstructuredReference=PEREIRA L A, LAPINSCKI B A, SANTOS J S, et al. Influenza A infections: predictors of disease severity[J]. Braz J Microbiol, 2024, 55(1):75-86., articleTitle=Influenza A infections: predictors of disease severity, refAbstract=null), Reference(id=1194372477422891647, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2019, volume=9, issue=2, pageStart=20421, pageEnd=null, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=PAGET J, SPREEUWENBERG P, CHARU V, journalName=J Glob Health, refType=null, unstructuredReference=PAGET J, SPREEUWENBERG P, CHARU V, et al. Global mortality associated with seasonal influenza epidemics: new burden estimates and predictors from the GLaMOR Project[J]. J Glob Health, 2019, 9(2):20421. DOI:10. 7189/jogh. 09. 020421., articleTitle=Global mortality associated with seasonal influenza epidemics: new burden estimates and predictors from the GLaMOR Project, refAbstract=null), Reference(id=1194372477510972032, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=https://ivdc.chinacdc.cn/cnic/zyzx/lgzb/202501/t20250102_303647.htm, language=null, rfNumber=[4], rfOrder=3, authorNames=Chinese Center for Disease Control and Prevention, journalName=null, refType=null, unstructuredReference=Chinese Center for Disease Control and Prevention. China Influenza Surveillance Weekly[EB/OL]. [2025-01-16]. https://ivdc.chinacdc.cn/cnic/zyzx/lgzb/202501/t20250102_303647.htm., articleTitle=China Influenza Surveillance Weekly, refAbstract=null), Reference(id=1194372477578080897, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2024, volume=59, issue=6, pageStart=555, pageEnd=558, url=null, language=null, rfNumber=[5], rfOrder=4, authorNames=XU K W, GUO J Z, GAO X M, journalName=Chin Pharm J(中国药学杂志), refType=null, unstructuredReference=XU K W, GUO J Z, GAO X M, et al. Laboratory proficiency testing for antigen content of inactived COVID-19 vaccines[J]. Chin Pharm J(中国药学杂志), 2024, 59(6): 555-558., articleTitle=Laboratory proficiency testing for antigen content of inactived COVID-19 vaccines, refAbstract=null), Reference(id=1194372477632606850, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2022, volume=14, issue=8, pageStart=1684, pageEnd=null, url=null, language=null, rfNumber=[6], rfOrder=5, authorNames=WANG W C, SAYEDAHMED E E, SAMBHARA S, journalName=Viruses, refType=null, unstructuredReference=WANG W C, SAYEDAHMED E E, SAMBHARA S, et al. Progress towards the development of a universal influenza vaccine[J]. Viruses, 2022, 14(8):1684. DOI:10.3390/v14081684., articleTitle=Progress towards the development of a universal influenza vaccine, refAbstract=null), Reference(id=1194372477687132803, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2022, volume=32, issue=1, pageStart=e2243, pageEnd=null, url=null, language=null, rfNumber=[7], rfOrder=6, authorNames=KIM Y H, HONG K J, KIM H, journalName=Rev Med Virol, refType=null, unstructuredReference=KIM Y H, HONG K J, KIM H, et al. Influenza vaccines: past, present, and future[J]. Rev Med Virol, 2022, 32(1): e2243. DOI: 10.1002/rmv.2243., articleTitle=Influenza vaccines: past, present, and future, refAbstract=null), Reference(id=1194372477750047364, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2023, volume=17, issue=14, pageStart=13474, pageEnd=13487, url=null, language=null, rfNumber=[8], rfOrder=7, authorNames=PAN J, WANG Q, QI M, journalName=ACS Nano, refType=null, unstructuredReference=PAN J, WANG Q, QI M, et al. An intranasal multivalent epitope-based nanoparticle vaccine confers broad protection against divergent influenza viruses[J]. ACS Nano, 2023, 17(14):13474-13487., articleTitle=An intranasal multivalent epitope-based nanoparticle vaccine confers broad protection against divergent influenza viruses, refAbstract=null), Reference(id=1194372477817156229, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2022, volume=40, issue=6, pageStart=840, pageEnd=854, url=null, language=null, rfNumber=[9], rfOrder=8, authorNames=BARBIER A J, JIANG A Y, ZHANG P, journalName=Nat Biotechnol, refType=null, unstructuredReference=BARBIER A J, JIANG A Y, ZHANG P, et al. The clinical progress of mRNA vaccines and immunotherapies[J]. Nat Biotechnol, 2022, 40(6):840-854., articleTitle=The clinical progress of mRNA vaccines and immunotherapies, refAbstract=null), Reference(id=1194372477875876486, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2023, volume=8, issue=1, pageStart=149, pageEnd=null, url=null, language=null, rfNumber=[10], rfOrder=9, authorNames=WANG S, LIANG B, WANG W, journalName=Signal Transduct Target Ther, refType=null, unstructuredReference=WANG S, LIANG B, WANG W, et al. Viral vectored vaccines: design, development, preventive and therapeutic applications in human diseases[J]. Signal Transduct Target Ther, 2023, 8(1):149. DOI: 10. 1038/s41392-023-01408-5., articleTitle=Viral vectored vaccines: design, development, preventive and therapeutic applications in human diseases, refAbstract=null), Reference(id=1194372477934596743, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2025, volume=25, issue=1, pageStart=25, pageEnd=35, url=null, language=null, rfNumber=[11], rfOrder=10, authorNames=HSU D, JAYARAMAN A, PUCCI A, journalName=Lancet Infect Dis, refType=null, unstructuredReference=HSU D, JAYARAMAN A, PUCCI A, et al. Safety and immunogenicity of mRNA-based seasonal influenza vaccines formulated to include multiple A/H3N2 strains with or without the B/Yamagata strain in US adults aged 50-75 years: a phase 1/2, open-label, randomized trial[J]. Lancet Infect Dis, 2025, 25(1):25-35., articleTitle=Safety and immunogenicity of mRNA-based seasonal influenza vaccines formulated to include multiple A/H3N2 strains with or without the B/Yamagata strain in US adults aged 50-75 years: a phase 1/2, open-label, randomized trial, refAbstract=null), Reference(id=1194372477997511304, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2023, volume=14, issue=1, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[12], rfOrder=11, authorNames=LEE I T, NACHBAGAUER R, ENSZ D, journalName=Nat Commun, refType=null, unstructuredReference=LEE I T, NACHBAGAUER R, ENSZ D, et al. Safety and immunogenicity of a phase 1/2 randomized clinical trial of a quadrivalent, mRNA-based seasonal influenza vaccine (mRNA-1010) in healthy adults: interim analysis[J]. Nat Commun, 2023, 14(1):3631. DOI: 10.1038/s41467-023-39376-7., articleTitle=Safety and immunogenicity of a phase 1/2 randomized clinical trial of a quadrivalent, mRNA-based seasonal influenza vaccine (mRNA-1010) in healthy adults: interim analysis, refAbstract=null), Reference(id=1194372478060425865, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2025, volume=231, issue=1, pageStart=e113, pageEnd=e122, url=null, language=null, rfNumber=[13], rfOrder=12, authorNames=ANANWORANICH J, LEE I T, ENSZ D, journalName=J Infect Dis, refType=null, unstructuredReference=ANANWORANICH J, LEE I T, ENSZ D, et al. Safety and immunogenicity of mRNA-1010, an investigational seasonal influenza vaccine, in healthy adults: final results from a phase 1/2 randomized trial[J]. J Infect Dis, 2025, 231(1):e113-e122. DOI: 10.1093/infdis/jiae329., articleTitle=Safety and immunogenicity of mRNA-1010, an investigational seasonal influenza vaccine, in healthy adults: final results from a phase 1/2 randomized trial, refAbstract=null), Reference(id=1194372478114951818, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2024, volume=null, issue=null, pageStart=null, pageEnd=null, url=https://www.clinicaltrials.gov/study/NCT05052697?term=NCT05052697&rank=1, language=null, rfNumber=[14], rfOrder=13, authorNames=Pfizer, journalName=null, refType=null, unstructuredReference=Pfizer. A study to evaluate the safety, tolerability, and immunogenicity of a modified RNA vaccine against influenza[EB/OL]. 2024 [2025-01-16]. https://www.clinicaltrials.gov/study/NCT05052697?term=NCT05052697&rank=1., articleTitle=A study to evaluate the safety, tolerability, and immunogenicity of a modified RNA vaccine against influenza, refAbstract=null), Reference(id=1194372478165283467, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2021, volume=184, issue=6, pageStart=1589, pageEnd=1603, url=null, language=null, rfNumber=[15], rfOrder=14, authorNames=GEBRE M S, BRITO L A, TOSTANOSKI L H, journalName=Cell, refType=null, unstructuredReference=GEBRE M S, BRITO L A, TOSTANOSKI L H, et al. Novel approaches for vaccine development[J]. Cell, 2021, 184(6):1589-1603., articleTitle=Novel approaches for vaccine development, refAbstract=null), Reference(id=1194372478224003724, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2022, volume=7, issue=1, pageStart=166, pageEnd=null, url=null, language=null, rfNumber=[16], rfOrder=15, authorNames=QIN S, TANG X, CHEN Y, journalName=Signal Transduct Target Ther, refType=null, unstructuredReference=QIN S, TANG X, CHEN Y, et al. mRNA-based therapeutics: Powerful and versatile tools to combat diseases[J]. Signal Transduct Target Ther, 2022, 7(1):166. DOI: 10.1038/s41392-022-01007-w., articleTitle=mRNA-based therapeutics: Powerful and versatile tools to combat diseases, refAbstract=null), Reference(id=1194372478282723981, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2023, volume=24, issue=3, pageStart=2700, pageEnd=null, url=null, language=null, rfNumber=[17], rfOrder=16, authorNames=GOTE V, BOLLA P K, KOMMINENI N, journalName=Int J Mol Sci, refType=null, unstructuredReference=GOTE V, BOLLA P K, KOMMINENI N, et al. A comprehensive review of mRNA vaccines[J]. Int J Mol Sci, 2023, 24(3):2700. DOI: 10. 3390/ijms24032700., articleTitle=A comprehensive review of mRNA vaccines, refAbstract=null), Reference(id=1194372478341444238, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2024, volume=59, issue=2, pageStart=118, pageEnd=127, url=null, language=null, rfNumber=[18], rfOrder=17, authorNames=SU G M, JI G C, GUO T, journalName=Chin Pharm J(中国药学杂志), refType=null, unstructuredReference=SU G M, JI G C, GUO T, et al. Safety and immunogenicity of recombinant Group B meningococcal vaccine in rats[J]. Chin Pharm J(中国药学杂志), 2024, 59(2): 118-127., articleTitle=Safety and immunogenicity of recombinant Group B meningococcal vaccine in rats, refAbstract=null), Reference(id=1194372478395970191, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2008, volume=26, issue=(Suppl.4): D49-D53, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[19], rfOrder=18, authorNames=BOUVIER N M, PALESE P, journalName=Vaccine, refType=null, unstructuredReference=BOUVIER N M, PALESE P. The biology of influenza viruses[J]. Vaccine, 2008, 26(Suppl.4): D49-D53. DOI: 10.1016/j.vaccine.2008.07.039., articleTitle=The biology of influenza viruses, refAbstract=null), Reference(id=1194372478463079056, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2018, volume=16, issue=1, pageStart=47, pageEnd=60, url=null, language=null, rfNumber=[20], rfOrder=19, authorNames=PETROVA V N, RUSSELL C A, journalName=Nat Rev Microbiol, refType=null, unstructuredReference=PETROVA V N, RUSSELL C A. The evolution of seasonal influenza viruses[J]. Nat Rev Microbiol, 2018, 16(1):47-60., articleTitle=The evolution of seasonal influenza viruses, refAbstract=null), Reference(id=1194372478525993617, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2020, volume=28, issue=1, pageStart=57, pageEnd=67, url=null, language=null, rfNumber=[21], rfOrder=20, authorNames=DE VRIES E, DU W, GUO H, journalName=Trends Microbiol, refType=null, unstructuredReference=DE VRIES E, DU W, GUO H, et al. Influenza A virus hemagglutinin-neuraminidase-receptor balance: preserving virus motility[J]. Trends Microbiol, 2020, 28(1):57-67., articleTitle=Influenza A virus hemagglutinin-neuraminidase-receptor balance: preserving virus motility, refAbstract=null), Reference(id=1194372478584713874, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, doi=null, pmid=null, pmcid=null, year=2011, volume=17, issue=17, pageStart=1720, pageEnd=1739, url=null, language=null, rfNumber=[22], rfOrder=21, authorNames=RUNGROTMONGKOL T, YOTMANEE P, NUNTHABOOT N, journalName=Curr Pharm Des, refType=null, unstructuredReference=RUNGROTMONGKOL T, YOTMANEE P, NUNTHABOOT N, et al. Computational studies of influenza A virus at three important targets: hemagglutinin, neuraminidase and M2 protein[J]. Curr Pharm Des, 2011, 17(17):1720-1739., articleTitle=Computational studies of influenza A virus at three important targets: hemagglutinin, neuraminidase and M2 protein, refAbstract=null)], funds=[Fund(id=1194372477083153019, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, awardId=32070920, language=CN, fundingSource=国家自然科学基金面上项目资助(32070920), fundOrder=null, country=null), Fund(id=1194372477141873276, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, awardId=2682023ZTPY063, language=CN, fundingSource=中央高校基本科研业务费专项资金资助(2682023ZTPY063), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1194372474189083209, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, xref=null, ext=[AuthorCompanyExt(id=1194372474197471818, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, companyId=1194372474189083209, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Medicine, Institute of Biomedical Engineering, Southwest Jiaotong University, Chengdu 610031, China), AuthorCompanyExt(id=1194372474201666123, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, companyId=1194372474189083209, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=西南交通大学医学院, 生物医学工程研究院, 成都 610031)])], figs=[ArticleFig(id=1194372476189766255, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=EN, label=Fig.1, caption=HA protein expression after LNP/mRNA-H1N1 transfected into HEK 293T cells was detected by Western blot analysis

Lane 1-20 μL of control (HEK 293T cells); Lane 2-10 μL of the cell lysates after LNP/mRNA-H1N1 was transfected into HEK 293T cells at 24 h; Lane 3-20 μL of the cell lysates after LNP/mRNA-H1N1 was transfected into HEK 293T cells at 24 h; Lane 4-protein marker; β-actin-internal control.

, figureFileSmall=KRyT6/1hwTe+4iQ8tvLqkw==, figureFileBig=ULLef521M2oZQxy9lM0WVA==, tableContent=null), ArticleFig(id=1194372476277846640, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=CN, label=图1, caption=Western blot检测即用型脂质纳米颗粒包封mRNA-H1N1(LNP/mRNA-H1N1)转染HEK 293T细胞后表达血凝素(HA)蛋白的结果

Lane 1-20 μL空白组(HEK 293T细胞)的裂解液;Lane 2-10 μL LNP/mRNA-H1N1转染HEK 293T细胞24 h后的裂解液;Lane 3-20 μL LNP/mRNA-H1N1转染HEK 293T细胞24 h后的裂解液; Lane 4-蛋白质分子量标准;β-actin-内参。

, figureFileSmall=KRyT6/1hwTe+4iQ8tvLqkw==, figureFileBig=ULLef521M2oZQxy9lM0WVA==, tableContent=null), ArticleFig(id=1194372476361732721, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=EN, label=Fig.2, caption=The results of LNP/mRNA-H1N1 transfected with HEK 293T cells were detected by immunofluorescence microscopy assay(200×)

A-negative control(HEK 293T cells); B-immunofluorescence image of LNP/mRNA-H1N1 transfected into HEK 293T cells at 24 h.

, figureFileSmall=0DITIZqgasL+yg7Hw/2mTw==, figureFileBig=LYP0AJZfJaXj7/PPRLIYcg==, tableContent=null), ArticleFig(id=1194372476416258674, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=CN, label=图2, caption=免疫荧光分析LNP/mRNA-H1N1转染HEK 293T细胞的结果(200×)

A-阴性对照组(HEK 293T细胞);B-LNP/mRNA-H1N1转染HEK 293T细胞24 h后免疫荧光结果。

, figureFileSmall=0DITIZqgasL+yg7Hw/2mTw==, figureFileBig=LYP0AJZfJaXj7/PPRLIYcg==, tableContent=null), ArticleFig(id=1194372476470784627, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=EN, label=Fig.3, caption=HA specific serum IgG titers induced by LNP/mRNA-H1N1 were detected by ELISA. n=10,$\stackrel{-}{x}$±s

PBS-phosphate buffered solution; LNP-lipid nanoparticle; 1)P<0.05, compared with the PBS and LNP controls.

, figureFileSmall=PxFyu8BH+EwOjVJa84j/Cg==, figureFileBig=k3+5sEzZ4nm/95mHsM7a4w==, tableContent=null), ArticleFig(id=1194372476533699188, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=CN, label=图3, caption=ELISA检测LNP/mRNA-H1N1诱导的HA特异性血清免疫球蛋白G(IgG)效价。 n=10,$\stackrel{-}{x}$±s

PBS-磷酸缓冲盐溶液;LNP-即用型脂质的纳米颗粒;与对照组(PBS组和LNP组)相比,1)P<0.05。

, figureFileSmall=PxFyu8BH+EwOjVJa84j/Cg==, figureFileBig=k3+5sEzZ4nm/95mHsM7a4w==, tableContent=null), ArticleFig(id=1194372476605002357, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=EN, label=Fig.4, caption=The secretion levels of cytokine IFN-γ detected by ELISpot.n=5,$\stackrel{-}{x}$±s

1)P<0.05,compared with the PBS and LNP controls.

, figureFileSmall=sVugHk16noSneUYUu0mJ2g==, figureFileBig=G0nVAlPVAV6eoF/D95aGJg==, tableContent=null), ArticleFig(id=1194372476672111222, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=CN, label=图4, caption=ELISpot检测细胞因子干扰素(IFN-γ)分泌水平。n=5,$\stackrel{-}{x}$±s

与对照组(PBS组和LNP组)相比较,1)P<0.05。

, figureFileSmall=sVugHk16noSneUYUu0mJ2g==, figureFileBig=G0nVAlPVAV6eoF/D95aGJg==, tableContent=null), ArticleFig(id=1194372476739220087, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=EN, label=Fig.5, caption=The results of immune protection with LNP/mRNA-H1N1 were detected by H1N1 virus challenge experiment. n=10,$\stackrel{-}{x}$±s

A-body mass changes of mice of post virus challenge; B-survival statistics of mice at post virus challenge; 1)P<0.05, compared with the PBS and LNP controls.

, figureFileSmall=Wv7+TQw6n6lfWJfwuYjAgw==, figureFileBig=CMx09PWoZT0BKQXZdrcdLA==, tableContent=null), ArticleFig(id=1194372476802134648, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=CN, label=图5, caption=H1N1病毒攻击实验检测LNP/mRNA-H1N1的免疫保护结果。 n=10,$\stackrel{-}{x}$±s

A-攻毒后小鼠的体质量变化图;B-攻毒后小鼠的存活统计图;与对照组(PBS组和LNP组)相比,1)P<0.05。

, figureFileSmall=Wv7+TQw6n6lfWJfwuYjAgw==, figureFileBig=CMx09PWoZT0BKQXZdrcdLA==, tableContent=null), ArticleFig(id=1194372476869243513, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=EN, label=Tab.1, caption=

Serum HI titers after immunization of LNP/mRNA-H1N1 (GMT). n=10

, figureFileSmall=null, figureFileBig=null, tableContent=
Groups Day 14 Day 28
PBS <10 <10
LNP 20 20
LNP/mRNA-H1N1 3671) 6401)
), ArticleFig(id=1194372476932158074, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1194344007871459430, language=CN, label=表1, caption=

LNP/mRNA-H1N1免疫后的血清血凝抑制(HI)效价(GMT).n=10

, figureFileSmall=null, figureFileBig=null, tableContent=
Groups Day 14 Day 28
PBS <10 <10
LNP 20 20
LNP/mRNA-H1N1 3671) 6401)
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甲型H1N1流感mRNA疫苗在小鼠体内免疫原性和免疫保护效果研究
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周玉方 , 杨众贺 , 高婧 , 袁蕾 , 雷涵 *
中国药学杂志 | 论著 2025,60(10): 1013-1018
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中国药学杂志 | 论著 2025, 60(10): 1013-1018
甲型H1N1流感mRNA疫苗在小鼠体内免疫原性和免疫保护效果研究
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周玉方, 杨众贺, 高婧, 袁蕾, 雷涵*
作者信息
  • 西南交通大学医学院, 生物医学工程研究院, 成都 610031
  • 周玉方,女,硕士研究生 研究方向:生物医药

通讯作者:

*雷涵,男,博士,教授 研究方向:疫苗递送载体 Tel:(028)87634255
Immunogenicity and Protective Efficacy of Influenza A H1N1 mRNA Vaccines in Mice
Yufang ZHOU, Zhonghe YANG, Jing GAO, Lei YUAN, Han LEI*
Affiliations
  • College of Medicine, Institute of Biomedical Engineering, Southwest Jiaotong University, Chengdu 610031, China
出版时间: 2025-05-01 doi: 10.11669/cpj.2025.10.002
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目的 基于mRNA疫苗技术平台考察甲型流感mRNA疫苗的免疫原性和免疫保护效率,为开发多价季节性流感mRNA疫苗提供新的研究策略。方法 利用即用型脂质纳米颗粒(lipid nanoparticles,LNP)对mRNA-H1N1进行包封,将LNP/mRNA-H1N1转染至HEK 293T细胞,通过蛋白质印迹法(Western blot)和免疫荧光显微镜对LNP/mRNA-H1N1的体外表达进行分析。进一步地,LNP/mRNA-H1N1以肌内注射途径免疫SPF级BALB/c小鼠,通过酶联免疫吸附实验(enzyme linked immunosorbent assay,ELISA)检测LNP/mRNA-H1N1诱导的血凝素(hemagglutinin,HA)特异性血清免疫球蛋白G(immunoglobulin G,IgG)效价。通过血凝抑制(hemagglutination inhibition,HI)实验检测LNP/mRNA-H1N1诱导的HI效价。通过酶联免疫斑点法(enzyme-linked immunosorbent spot assay,ELISpot)检测LNP/mRNA-H1N1诱导的细胞因子γ干扰素(interferon-gamma, IFN-γ)分泌水平,最后,通过同型H1N1病毒攻击实验检测LNP/mRNA-H1N1的免疫保护效率。结果 通过Western blot和免疫荧光显微镜均能检测到抗原蛋白HA的特异性表达,其相对分子质量约为75 000。LNP/mRNA-H1N1经初次与加强免疫BALB/c小鼠后诱导产生了有意义的体液免疫应答、细胞免疫应答和HI效价。更为重要的是,LNP/mRNA-H1N1能提供100%的免疫保护效率。结论 LNP/mRNA-H1N1是一种有效的甲型流感mRNA候选疫苗,为将来开展临床前大型动物的安评试验奠定了基础,也为开发其他亚型的流感mRNA疫苗或其他传染病疫苗提供了研究思路。

即用型脂质纳米颗粒  /  mRNA-H1N1  /  mRNA候选疫苗  /  免疫原性  /  免疫保护效率

OBJECTIVE To investigate the immunogenicity and immune-protective efficiency of influenza A mRNA vaccines based on mRNA vaccine technology platform and provide new research strategies for the development of multivalent seasonal influenza mRNA vaccines. METHODS mRNA-H1N1 encapsulated by lipid nanoparticles(LNP) was transfected into HEK 293T cells, and the expression of LNP/mRNA-H1N1 was analyzed by Western blot and immunofluorescence microscopy in vitro, respectively. Furthermore, LNP/mRNA H1N1 was administered via intramuscular injection to SPF grade BALB/c mice, and the HA specific serum IgG titers induced by LNP/mRNA H1N1 were detected by ELISA. The secretion level of cytokine IFN-γ induced by LNP/mRNA-H1N1 was detected by ELISpot, HI titers induced by LNP/mRNA-H1N1 was measured by hemagglutination inhibition (HI) assay. Finally, the immune-protective efficacy LNP/mRNA-H1N1 was detected by the homologous H1N1 virus challenge experiment. RESULTS The specific expression of antigen protein HA could be detected by Western blot and fluorescence microscope, its molecular weight was approximately 75 000. Furthermore, LNP/mRNA-NH1N1 could induce significant humoral immune response, cellular immune response, and HI titers in BALB/c mice after prime and boost immunization. More importantly, LNP/mRNA-NH1N1 could provide 100% immune protection efficiency against H1N1 virus challenge. CONCLUSION LNP/mRNA-NH1N1 is an effective influenza mRNA candidate vaccine, laying the foundation for future preclinical safety evaluation trials in large animals and providing research ideas for the development of mRNA vaccines for other subtypes of influenza or other infectious disease vaccines.

lipid nanoparticle  /  mRNA-H1N1  /  influenza mRNA candidate vaccine  /  immunogenicity  /  immune protection efficacy
周玉方, 杨众贺, 高婧, 袁蕾, 雷涵. 甲型H1N1流感mRNA疫苗在小鼠体内免疫原性和免疫保护效果研究. 中国药学杂志, 2025 , 60 (10) : 1013 -1018 . DOI: 10.11669/cpj.2025.10.002
Yufang ZHOU, Zhonghe YANG, Jing GAO, Lei YUAN, Han LEI. Immunogenicity and Protective Efficacy of Influenza A H1N1 mRNA Vaccines in Mice[J]. Chinese Pharmaceutical Journal, 2025 , 60 (10) : 1013 -1018 . DOI: 10.11669/cpj.2025.10.002
人流感病毒(influenza virus,IV)属于正黏病毒科(Orthomyxoviridae),主要分为A型(甲型)、B型(乙型)和C型(丙型)[1],其中A型(H1N1和H3N2)与B型(Yamagata系:By和Victoria系:Bv)流感病毒所引发的流感给人类健康、公共医疗和经济发展带来了极大的挑战[2]。根据世界卫生组织(World Health Organization,WHO)估计,季节性流感病毒每年造成29万到65万相关死亡[3]。据中国疾病预防控制中心在2025年1月发布的最新数据,流感病毒阳性率持续上升,99%以上为甲型流感病毒,其中97.0%为A/Victoria/4897/2022(H1N1)株[4]。在此呼吁,未被流感病毒感染的健康人群及早接种流感疫苗[5]
目前,全球已上市的流感疫苗主要分为流感灭活疫苗(inactivated influenza vaccine,IIV)、流感减毒活疫苗(live attenuated influenza vaccine,LAIV)和重组流感疫苗(recombinant influenza vaccine,RIV)等[6]。然而,不可忽视的是,这些上市的流感疫苗都存在明显不足[7],比如:IIV和LAIV需要对活病毒进行操作、纯化工艺复杂且无法快速应对流感病毒变异带来的挑战,有些RIV疫苗需要免疫佐剂支撑才能发挥作用。为了有效克服流感病毒变异带来的挑战和延长疫苗的免疫保护效果,一些新技术的出现为新型流感疫苗的研发提供了可能,比如新型佐剂结合流感保守抗原的广谱疫苗[8]、mRNA疫苗[9]、病毒载体疫苗[10]等,其中,流感mRNA疫苗已在临床研究中显示了较好的安全性和免疫原性,且mRNA疫苗具有研发快、易于快速大规模生产的优势获得众多研发人员的高度关注。美国莫德纳公司布局了5条与流感mRNA疫苗相关的管线 [11]。其中mRNA-1010是一种四价流感mRNA疫苗,以WHO推荐的4种流感疫苗候选株(A/H1N1、A/H3N2、B/Victoria和B/Yamagata)的HA基因作为编码序列,目前已经完成了临床Ⅲ期试验,具有较强的免疫原性 [12-13]。而mRNA-1020、mRNA-1030疫苗中增加了神经氨酸酶(NA)抗原的序列,通过靶向更保守的抗原来提高机体免疫力[11]。此外,美国辉瑞公司研发的四价流感mRNA疫苗也已经完成了临床Ⅲ期试验[14]
本研究在前期以A/Victoria/4897/2022 (H1N1) HA基因作为研究对象合成了mRNA-H1N1原液的基础上,利用即用型脂质纳米颗粒(lipid nanoparticles,LNP)对mRNA-H1N1进行包封,重点考察LNP/mRNA-H1N1疫苗在动物体内的免疫原性和免疫保护效率,为开发其他亚型的流感mRNA疫苗或其他传染病疫苗提供可参考的研究思路。
Gene Pulser Xcell电转仪、ChemiDoc MP凝胶成像系统(Bio-Rad公司);RNE90002酶标仪(深圳容金科技有限公司)。
mRNA-H1N1(西南交通大学医学院雷涵教授实验室);HA蛋白、鼠源单克隆抗HA抗体、HA标准抗原(北京义翘神州科技股份有限公司);即用型LNP的组分包括阳离子磷脂、中性辅助磷脂、胆固醇和聚乙二醇修饰的磷脂(瀚海新酶生物科技有限公司);HEK 293T细胞、高糖达尔伯克改良伊格尔培养基(DMEM)高糖培养液、蛋白marker(赛默飞世尔科技中国有限公司);辣根过氧化物酶(HRP)标记的羊抗鼠特异性血清免疫球蛋白G(immunoglobulin G,IgG)、异硫氰酸荧光素(fluorescein isothiocyanate,FITC)标记的羊抗鼠IgG、生物素化标记的羊抗鼠IgG、碱性磷酸酶标记的链亲和素、酶联免疫斑点法(enzyme-linked immunosorbent spot assay,ELISpot)试剂盒(R&D Systems公司);十二烷基硫酸钠-聚丙烯酰胺凝胶(SDS-PAGE)、4-硝基苯磷酸二钠(pNPP)显色液(生工生物工程上海股份有限公司);抗原蛋白HA重叠肽(南京金斯瑞生物科技有限公司合成);West Pico化学发光试剂盒(Bio-Rad公司)。H1N1毒株(英国生物标准品研究所)。
18~20 g、8周龄、雌性、SPF级BALB/c小鼠(成都达硕实验动物有限公司)[许可证号:SCXK(川)2020-030]。本实验均以科研为目的进行实验动物的养殖和使用,且按照西南交通大学关于实验动物伦理相关规定进行(批准编号:SWJTU-2309-SCS103)。H1N1病毒攻击实验在西南交通大学附属西部战区总医院的P2级动物实验中心进行。
用含DMEM培养液制备HEK 293T细胞悬液并计数,以(3~5)×104·mL-1密度接种于培养瓶,置37 ℃、体积分数5% CO2孵箱培养。细胞融合至80%时传代,显微镜确认细胞状态良好后进行转染。按即用型LNP转染试剂盒说明,转染4 μg mRNA-H1N1至HEK 293T,培养24 h后收集细胞裂解液。
通过SDS-PAGE对LNP/mRNA-H1N1转染24 h后的HEK 293T细胞的裂解液进行电泳分析,电压设为120 V、时间持续45 min。利用湿转法将上SDS-PAGE胶转移至PVDF膜上,电压设置为100 V、时间持续45 min。鼠源单克隆抗HA抗体(1∶1 000稀释)作为一抗,HRP标记的羊抗鼠IgG(1∶5 000稀释)作为二抗。最后通过West Pico化学发光试剂盒进行显色,利用凝胶成像系统进行检测。
取100 μL NP/mRNA-H1N1转染24 h后的HEK 293T细胞,1 400 r·min-1、4 ℃离心5 min,弃上清、留沉淀。用无菌磷酸缓冲盐溶液(PBS)洗涤沉淀3次,300 r·min-1、离心5 min。加入鼠源单克隆抗HA抗体(1∶1 000稀释),4 ℃避光孵育1 h。无菌PBS洗涤沉淀3次后,加入FITC标记的羊抗鼠IgG抗体(1∶5 000稀释)。吸取10 μL通过荧光显微镜进行观察。
利用75 μL即用型LNP与2 μL mRNA-H1N1(1 μg·μL-1)进行包封,终体积50 μL。6~8周龄的SPF级BALB/c雌性小鼠被随机分成3组(n=20):PBS组、LNP组、LNP/mRNA-H1N1组。免疫剂量:每只50 μL;免疫途径:肌内注射;初次免疫:第0天、加强免疫:第15天。分别在初次免疫后第14天和第28天,收集血清(n=10)和脾脏淋巴细胞(n=5)。
血清IgG检测:将抗原包被液稀释的2 μg·mL-1的HA蛋白加入96孔高吸附的酶标板中,每孔100 μL,4 ℃、孵育过夜。聚山梨酯20缓冲盐溶液(TBS-T)漂洗3次后,每孔加入200 μL含3%(W/V)的牛血清白蛋白(BSA)的TBS-T封闭液,室温封闭2 h。利用封闭液对血清以2的倍数进行稀释,每孔100 μL,37 ℃恒温孵育2 h。生物素标记的羊抗鼠IgG(1∶5 000稀释)作为二抗,每孔100 μL,37 ℃孵育1 h。TBS-T漂洗3次,每孔加入100 μL碱性磷酸酶标记的链亲和素(1∶5 000稀释),37 ℃孵育1 h。每孔加入100 μL pNPP底物显色液,在暗环境中孵育20 min。最后,每孔加入50 μL 2 mol·L-1 NaOH,终止反应。最后通过酶标仪进行检测(检测波长:405 nm;参比波长:630 nm)。
利用小鼠脾脏淋巴细胞分离试剂盒收集初次免疫后第14天和第28天的小鼠脾脏细胞,并利用含体积分数10% FBS的RPMI 1640培养基将分离的脾脏淋巴细胞浓度调整为:5×106·mL-1。按照ELISpot试剂盒的说明,在预包被有鼠源单克隆抗IFN-γ抗体的Multiscreen 96孔板,加入5×105脾脏细胞。抗原蛋白HA重叠肽(终质量浓度:2 μg·mL-1)作为刺激物,在37 ℃、CO2培养箱中培养36 h。最后通过ImmunoSpot ELISpot读板仪进行检测。
采用血凝抑制实验检测HI效价。经过受体破坏酶(receptor-destroying enzyme,RDE)处理以去除血清中的非特异性凝集素后,制备出4个血凝单位(4HAU)的标准抗原。在A行的每孔加50 μL 1∶10稀释的经RDE处理过的标准血清,在96孔板的B行至H行的每孔加25 μL无菌PBS;从A行各孔取25 μL血清,倍比稀释至H排各孔,最后一排弃去25 μL;各孔加25 μL 4HAU的标准抗原,振荡混匀后室温静置1 h,每孔加50 μL 体积分数1%鸡红细胞悬液,振荡混匀后室温静置30 min。
结果判定:当特定的抗体与相应的红细胞凝集抗原结合后,可以抑制病毒引起的红细胞凝集现象。红细胞凝集抑制效价是指抑制红细胞凝集出现时血清的最高稀释度的倒数。
LNP/mRNA-H1N1初次免疫小鼠后的第34天,利用50 μL 5×半数致死量(LD50)A/Victoria/4897/2022 (H1N1) 通过滴鼻方式进行攻击实验,在攻毒后的14 d内记录体质量变化,并统计小鼠存活率。
利用GraphPad Prism 8.0软件进行统计学分析,数据是以平均值±标准差表示。利用t检验和单因素方差分析(One-Way ANOVA)对数据进行分析。P<0.05表示具有统计学意义。
通过Western blot检测LNP/mRNA-H1N1在HEK 293T细胞中特异性表达抗原蛋白HA,结果见图1。与空白组(Lane 1)相比较,在LNP/mRNA-H1N1组的细胞裂解液中检测到了一条特异性的蛋白条带,其相对分子质量约为75 000(Lane 2和Lane 3)。这表明抗原蛋白HA可以特异性地表达在HEK 293T细胞中。
利用特异性的抗-HA抗体(一抗)和FITC-羊抗鼠IgG(二抗)对LNP/mRNA-H1N1转染24 h后的HEK 293T细胞进行标记,通过荧光显微镜检测抗原蛋白HA在HEK 293T内的特异性表达。与阴性对照组(图2A)相比较,在LNP/mRNA-H1N1转染组中检测到了较强的绿色荧光(图2B),这表明LNP/mRNA-H1N1可以在HEK 293T细胞中特异性表达抗原蛋白HA。
通过ELISA检测LNP/mRNA-H1N1诱导的HA-特异性血清IgG效价,结果见图3。PBS组、LNP组和LNP/mRNA-H1N1组诱导的HA-特异性血清IgG效价在第14天分别为(23.8±0.84)(24.0±0.71)和(211.8±0.84),在第28天分别为(24.0±1.0)(24.2±0.45)和(213.0±0.71)。这表明在初次与加强免疫后,LNP/mRNA-H1N1组的HA-特异性血清IgG效价显著升高,而对照组(PBS组、LNP组)无明显升高。这进一步证实了,LNP/mRNA-H1N1经过初次免疫和加强免疫后,能够诱导产生针对流感抗原的特异性体液免疫应答。
通过ELISpot检测小鼠免疫LNP/mRNA-H1N1后的脾脏细胞分泌IFN-γ的水平。结果见图4, LNP/mRNA-H1N1组在经过初次免疫和加强免疫后,均产生了较高的IFN-γ分泌水平。这表明LNP/mRNA-H1N1能够诱导产生有意义的细胞免疫应答。
LNP/mRNA-H1N1初次免疫小鼠后的第14天和第28天,收集小鼠血清检测HI效价,结果见表1。在初次免疫与加强免疫后,LNP/mRNA-H1N1组在第14天和第28天的HI效价分别为367和640。这表明LNP/mRNA-H1N1在初次免疫后(第14天)就能诱导产生有意义的HI效价,加强免疫后,HI效价获得进一步提升,达640。
通过同型H1N1病毒攻击实验检测LNP/mRNA-H1N1的免疫保护效率,结果见图5。PBS组和LNP组在H1N1病毒攻击后的第5天,体质量丢失率均大于20%,且全部死亡。而LNP/mRNA-H1N1组在H1N1病毒攻击后的第2天,体质量丢失率约为2%,且在第4天逐渐恢复,存活率达100%。这表明LNP/mRNA-H1N1能有效保护小鼠抵御同型H1N1病毒的攻击,是一种有效的H1N1候选疫苗。
mRNA疫苗作为新型核酸疫苗的典型代表之一,为快速和有针对性地开发传染病疫苗提供了一个强大的通用技术平台[15]。与传统疫苗相比,mRNA疫苗具有生产工艺简单、易于批量生产、免疫原性强、研发周期短,能够快速地应对新出现或不断变异的病毒[16-17]。新型冠状病毒mRNA疫苗的成功上市为开发其他病毒mRNA疫苗提供了可参考的研究范本。为了进一步拓宽mRNA疫苗在防控传染病领域的应用范围,并更好地应对季节性流感的潜在风险,本研究以前期构建好的mRNA原液作为研究对象,利用即用型LNP包封后,考察LNP/mRNA-H1N1的免疫原性和免疫保护效率,为开发其他亚型流感mRNA提供参考。
本研究通过Western blot和免疫荧光标记检测了LNP/mRNA-H1N1转染HEK 293T细胞后抗原蛋白HA的特异性表达,并通过ELISA和ELISpot检测LNP/mRNA-H1N1在SPF级BALB/c小鼠中诱导的体液免疫应答水平和细胞免疫应答水平,通过病毒攻击实验检测了LNP/mRNA-H1N1的免疫保护效率。这些通用检测技术平台的建立为开发更多有效的传染病候选疫苗提供了可选择的评价方案。
体液免疫应答是传染病疫苗研发中的重要检测指标。特异性血清IgG抗体水平及HI效价相组合,构成了流感疫苗有效性的关键检测项目[18]。而细胞免疫应答能够为长效的体液免疫应答提供支撑。IFN-γ是Th1介导的免疫应答中最具代表性的细胞因子。本研究构建的LNP/mRNA-H1N1既能诱导机体产生了较高的HA特异性血清IgG和HI效价,也能诱导机体产生较高水平的细胞免疫应答。本研究中的LNP/mRNA-H1N1可认为是一种有临床应用潜力的流感候选疫苗。
攻毒保护研究是检测疫苗有效性的金标准(gold standard)。本研究拟在后续利用流感疫苗的最佳动物模型雪貂作为免疫对象,进一步考察该候选疫苗的免疫原性和免疫保护效果,为该候选疫苗进入临床试验提供更可靠的数据支撑。
毋庸置疑,HA蛋白是研发流感疫苗最有效的靶点[19-20]。除此之外,NA蛋白和M2蛋白也是流感疫苗重要的候选靶点[19,21 -22]。因此,本研究构建的mRNA疫苗技术平台将为开发多价季节性流感候选疫苗和其他传染病疫苗提供了可行的研究思路和策略。
  • 国家自然科学基金面上项目资助(32070920)
  • 中央高校基本科研业务费专项资金资助(2682023ZTPY063)
参考文献 引证文献
排序方式:
[1]
BRODY H. Influenza[J]. Nature, 2019, 573(7774): S49. DOI:10.1038/d41586-019-02750-x.
[2]
PEREIRA L A, LAPINSCKI B A, SANTOS J S, et al. Influenza A infections: predictors of disease severity[J]. Braz J Microbiol, 2024, 55(1):75-86.
[3]
PAGET J, SPREEUWENBERG P, CHARU V, et al. Global mortality associated with seasonal influenza epidemics: new burden estimates and predictors from the GLaMOR Project[J]. J Glob Health, 2019, 9(2):20421. DOI:10. 7189/jogh. 09. 020421.
[4]
Chinese Center for Disease Control and Prevention. China Influenza Surveillance Weekly[EB/OL]. [2025-01-16]. https://ivdc.chinacdc.cn/cnic/zyzx/lgzb/202501/t20250102_303647.htm. https://ivdc.chinacdc.cn/cnic/zyzx/lgzb/202501/t20250102_303647.htm
[5]
XU K W, GUO J Z, GAO X M, et al. Laboratory proficiency testing for antigen content of inactived COVID-19 vaccines[J]. Chin Pharm J(中国药学杂志), 2024, 59(6): 555-558.
[6]
WANG W C, SAYEDAHMED E E, SAMBHARA S, et al. Progress towards the development of a universal influenza vaccine[J]. Viruses, 2022, 14(8):1684. DOI:10.3390/v14081684.
[7]
KIM Y H, HONG K J, KIM H, et al. Influenza vaccines: past, present, and future[J]. Rev Med Virol, 2022, 32(1): e2243. DOI: 10.1002/rmv.2243.
[8]
PAN J, WANG Q, QI M, et al. An intranasal multivalent epitope-based nanoparticle vaccine confers broad protection against divergent influenza viruses[J]. ACS Nano, 2023, 17(14):13474-13487.
[9]
BARBIER A J, JIANG A Y, ZHANG P, et al. The clinical progress of mRNA vaccines and immunotherapies[J]. Nat Biotechnol, 2022, 40(6):840-854.
[10]
WANG S, LIANG B, WANG W, et al. Viral vectored vaccines: design, development, preventive and therapeutic applications in human diseases[J]. Signal Transduct Target Ther, 2023, 8(1):149. DOI: 10. 1038/s41392-023-01408-5.
[11]
HSU D, JAYARAMAN A, PUCCI A, et al. Safety and immunogenicity of mRNA-based seasonal influenza vaccines formulated to include multiple A/H3N2 strains with or without the B/Yamagata strain in US adults aged 50-75 years: a phase 1/2, open-label, randomized trial[J]. Lancet Infect Dis, 2025, 25(1):25-35.
[12]
LEE I T, NACHBAGAUER R, ENSZ D, et al. Safety and immunogenicity of a phase 1/2 randomized clinical trial of a quadrivalent, mRNA-based seasonal influenza vaccine (mRNA-1010) in healthy adults: interim analysis[J]. Nat Commun, 2023, 14(1):3631. DOI: 10.1038/s41467-023-39376-7.
[13]
ANANWORANICH J, LEE I T, ENSZ D, et al. Safety and immunogenicity of mRNA-1010, an investigational seasonal influenza vaccine, in healthy adults: final results from a phase 1/2 randomized trial[J]. J Infect Dis, 2025, 231(1):e113-e122. DOI: 10.1093/infdis/jiae329.
[14]
Pfizer. A study to evaluate the safety, tolerability, and immunogenicity of a modified RNA vaccine against influenza[EB/OL]. 2024 [2025-01-16]. https://www.clinicaltrials.gov/study/NCT05052697?term=NCT05052697&rank=1. https://www.clinicaltrials.gov/study/NCT05052697?term=NCT05052697&rank=1
[15]
GEBRE M S, BRITO L A, TOSTANOSKI L H, et al. Novel approaches for vaccine development[J]. Cell, 2021, 184(6):1589-1603.
[16]
QIN S, TANG X, CHEN Y, et al. mRNA-based therapeutics: Powerful and versatile tools to combat diseases[J]. Signal Transduct Target Ther, 2022, 7(1):166. DOI: 10.1038/s41392-022-01007-w.
[17]
GOTE V, BOLLA P K, KOMMINENI N, et al. A comprehensive review of mRNA vaccines[J]. Int J Mol Sci, 2023, 24(3):2700. DOI: 10. 3390/ijms24032700.
[18]
SU G M, JI G C, GUO T, et al. Safety and immunogenicity of recombinant Group B meningococcal vaccine in rats[J]. Chin Pharm J(中国药学杂志), 2024, 59(2): 118-127.
[19]
BOUVIER N M, PALESE P. The biology of influenza viruses[J]. Vaccine, 2008, 26(Suppl.4): D49-D53. DOI: 10.1016/j.vaccine.2008.07.039.
[20]
PETROVA V N, RUSSELL C A. The evolution of seasonal influenza viruses[J]. Nat Rev Microbiol, 2018, 16(1):47-60.
[21]
DE VRIES E, DU W, GUO H, et al. Influenza A virus hemagglutinin-neuraminidase-receptor balance: preserving virus motility[J]. Trends Microbiol, 2020, 28(1):57-67.
[22]
RUNGROTMONGKOL T, YOTMANEE P, NUNTHABOOT N, et al. Computational studies of influenza A virus at three important targets: hemagglutinin, neuraminidase and M2 protein[J]. Curr Pharm Des, 2011, 17(17):1720-1739.
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doi: 10.11669/cpj.2025.10.002
  • 接收时间:2025-01-20
  • 首发时间:2025-11-09
  • 出版时间:2025-05-01
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  • 收稿日期:2025-01-20
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国家自然科学基金面上项目资助(32070920)
中央高校基本科研业务费专项资金资助(2682023ZTPY063)
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    西南交通大学医学院, 生物医学工程研究院, 成都 610031

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*雷涵,男,博士,教授 研究方向:疫苗递送载体 Tel:(028)87634255
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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栓菌属 Trametes 5 2.39
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