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最新通报:数百人确诊,多地爆发!!猴痘病毒核心抗原/抗体/试剂盒助你精准搞透猴痘病毒!​

发表时间:2023-08-11 访问次数:299

8月9日,中国疾病预防控制中心发布7月猴痘疫情监测情况——2023年7月1日至31日,中国内地(不含港澳台)23省(区、市)新增报告491例猴痘确诊病例 。其中广东报告115例、北京报告81例、四川报告49例、浙江报告40例、湖南报告33例、江苏报告31例、上海报告25例、安徽报告19例、天津报告17例、湖北报告17例、河南报告14例、辽宁报告12例、山东报告12例、吉林报告9例、云南报告4例、陕西报告4例、福建报告2例、重庆报告2例、山西、内蒙古、广西、贵州、青海各1例,无重症、死亡病例。

猴痘病毒

猴痘病毒(Mpox virus,MPXV)与天花病毒一样,属于正痘病毒属。其形态与正痘病毒一致, 外形为圆角砖形或卵圆形,大小为200~400nm。砖形或卵圆状,外被脂蛋白膜或封套,中间具有两个含蛋白质的侧体,有1个厚膜核心,核心内含很大的双链DNA基因体。M痘病毒的基因组为双链DNA,长约197kb,基因组末端包含一个相同但方向相反的末端反向重复序列。该病毒包含190个开放阅读框,其中4个位于末端反向重复序列中。猴痘病毒核心蛋白为A29L, A35R, B6R, M1R, H3L

法国ProteoGenix顶级科学团队专注于抗体药物开发,旗下科研试剂品牌AntibodySystem专注于蛋白和抗体试剂研究,团队对猴痘病毒(Mpox virus,Mpox)和痘苗病毒(vaccinia virus,VACV)的基因序列进行深度探索并成功设计开发真核系统表达的猴痘病毒(Mpox virus,Mpox)系列核心蛋白A29L、A35R、B6R、M1R、E8L以及相关具有生物学活性的中和抗体产品,助力疫苗、药物、诊断试剂等不同方向的研究。

  真核表达猴痘核心蛋白及相关中和抗体

Monkeypox virus/MPXV A29L

A29L是细胞内成熟病毒(IMV)表面包膜蛋白(与牛痘病毒VACV,A27同源)。溶瘤痘苗病毒(VV)属于痘病毒科中一拥有192kb双螺旋DNA遗传物质的病毒,会在细胞质中繁殖出具有鞘膜的病毒,进而感染其他不同种的哺乳动物细胞及个体.VV中的A27L基因能表达出一14kDa大小的鞘膜蛋白,此蛋白能与细胞表面上的硫酸乙酰肝素(Heparan Sulfate)作用使病毒跟细胞结合并且可催化细胞融合。

·Monkeypox virus/MPXV A29L 

Catalog No:EVV13401

Name:Recombinant Monkeypox virus/MPXV A29L Protein, C-His

Predicted molecular weight:15.33 kDa  

Expression system: Mammalian

Protein length: Asp2-Glu110

Protein length: Asp2-Glu110

 

SDS PAGE Purity:90% 

SDS PAGE for Recombinant Monkeypox virus/MPXV A29L Protein

·Anti-Monkeypox virus/MPXV A29L Antibody

Catalog No:RVV13401

Name:Anti-Monkeypox virus/MPXV A29L Antibody (SAA0286)

Host species:Mouse

Applications:ELISA,Neut

Species reactivity:MPXV

Stock:In stock

 
Detects Monkeypox virus/MPXV A29L in direct ELISAs

 

Monkeypox virus/MPXV  A35R

A35R是细胞内包膜病毒粒子(IEV)和细胞外包膜病毒粒子(EEV)的包膜成分,与脊索痘病毒A33R同源。痘苗病毒中的A33R在病毒粒子在细胞间的传播中起着至关重要的作用,是疫苗开发的重要靶点,也有研究表明A35R是猴痘病毒(Monkeypox virus,MPXV)血清学检测的潜在靶点。

·Recombinant Monkeypox virus/MPXV A35R Protein 

Catalog No:EVV13101

Name:Recombinant Monkeypox virus/MPXV A35R Protein, C-His

Predicted molecular weight:16.65 kDa 

Expression system: Mammalian

Protein length: Val57-Thr181

Stock:In stock

 

SDS PAGE Purity:90%

SDS PAGE for Recombinant Monkeypox virus/MPXV A35R Protein

·Anti-Monkeypox virus/MPXV A35R Antibody (SAA0287)

Catalog No:RVV13101

Name:Anti-Monkeypox virus/MPXV A35R Antibody (SAA0287)

Host species:Mouse

Applications:ELISA,Neut

Species reactivity:MPXV

Stock:In stock

 

Detects Monkeypox virus/MPXV A35R in direct ELISAs.

Monkeypox virus/MPXV  B6R

 

B6R是宿主范围蛋白,位于细胞外包膜病毒粒子(EEV)的膜上,与牛痘病毒补体控制蛋白B5同源,参与补体激活的负调节。研究表明B5依赖于与A33或A34的相互作用,以定位到细胞内包膜的位点,并能相互结合释放到细胞外病毒体的包膜中。B5对于有效生产感染性EV至关重要,A33,A34,B5三者复合物在ER退出以及三种糖蛋白正确定位到包裹的细胞内部位中起作用。

·Recombinant Monkeypox virus/MPXV B6R/SL-159 Protein

Catalog No:EVV13501

Name:Recombinant Monkeypox virus/MPXV B6R/SL-159 Protein, C-His

Predicted molecular weight:31.73 kDa

Expression system: Mammalian

Protein length: Thr20-His279

Stock:In stock

 

SDS PAGE Purity:90%

SDS PAGE for Recombinant Monkeypox virus/MPXV B6R/SL-159 Protein

Monkeypox virus/MPXV  M1R

 

M1R与牛痘病毒L1蛋白同源,是一种在成熟IMV颗粒表面发现的跨膜蛋白。由L1R ORF编码,高度保守,参与病毒粒子组装,在病毒进入和成熟过程中发挥重要作用。L1是诱导低pH触发的细胞-细胞融合所必需的,且对牛痘病毒复制至关重要。

·Recombinant Monkeypox virus/MPXV M1R Protein 

Catalog No:EVV13301

Name:Recombinant Monkeypox virus/MPXV M1R Protein, C-His

Predicted molecular weight:22.35 kDa 

Expression system: Mammalian

Protein length: Gly2-Gly183

Stock:In stock

 

SDS PAGE Purity:90%

SDS PAGE for Recombinant Monkeypox virus/MPXV M1R Protein

·Anti-Monkeypox virus/MPXV M1R Antibody

Catalog No:RVV13301

Name:Anti-Monkeypox virus/MPXV M1R Antibody (SAA0283)

Host species:Mouse

Applications:ELISA,Neut

Species reactivity:MPXV

Stock:In stock

 

Detects Monkeypox virus/MPXV M1R in direct ELISAs.

 

Monkeypox virus/MPXV  E8L

E8L是病毒入侵宿主细胞重要基因,在病毒入侵宿主完成复制的过程中作为MV的细胞表面结合蛋白与细胞表面的硫酸软骨素结合,以提供病毒粒子附着在靶细胞上。有研究表明利用siRNA技术能有效拮抗Monkeypox virus的A6R和E8L基因,由此构建siA6-a和si8 -d能破坏MPV复制。

·Recombinant Monkeypox virus/MPXV E8L Protein

Catalog No:EVV13201

Name:Recombinant Monkeypox virus/MPXV E8L Protein, C-His

Predicted molecular weight:22.35 kDa 

Expression system: Mammalian

Protein length: Gly2-Gly183

Stock:In stock

 

SDS PAGE Purity:90%

SDS PAGE for Recombinant Monkeypox virus/MPXV E8L Protein

·Anti-Monkeypox virus/MPXV E8L Antibody

Catalog No:RVV13201

Name:Anti-Monkeypox virus/MPXV E8L Antibody (SAA0285)

Host species:Mouse

Applications:ELISA,Neut

Species reactivity:MPXV

Stock:In stock

 

Detects Monkeypox virus/MPXV E8L in direct ELISAs.

Monkeypox virus/MPXV  H3L

H3L是一种324个AA长的糖基转移酶,位于病毒包膜上,在与宿主细胞的附着和随后的痘病毒进入中起关键作用。研究表明,天花疫苗诱导的抗体与H3蛋白结合,分化簇 (CD8)+ T细胞将H3L识别为抗原,表明其免疫学意义。

·Recombinant Monkeypox virus/MPXV H3L Protein

Catalog No:EVV12701

Name:Recombinant Monkeypox virus/MPXV H3L Protein, C-His

Predicted molecular weight:35.46 kDa

Expression system: Mammalian

Protein length: Ala2-Phe282

Stock:In stock

 

SDS PAGE Purity:90%

SDS PAGE for Recombinant Monkeypox virus/MPXV H3L Protein

随着研究的深入,AntibodySystem还研发了一系列对猴痘病毒(Monkeypox virus,MPXV )相关检测试剂盒产品。

猴痘病毒(Monkeypox virus/MPXV )抗原检测试剂盒

Cat. #

Product name

KVV13401

Monkeypox Virus (MPXV) A29L Antigen ELISA Kit

KVV13301

Monkeypox Virus (MPXV) M1R Antigen ELISA Kit

KVV12701

Monkeypox Virus (MPXV) H3L Antigen ELISA Kit

KVV13201

Monkeypox Virus (MPXV) E8L Antigen ELISA Kit

KVV13101

Monkeypox Virus (MPXV) A35R Antigen ELISA Kit

猴痘病毒(Monkeypox virus/MPXV )抗体检测试剂盒

 

Cat. #

Product name

KAV13401

Human Anti-Monkeypox Virus (MPXV) IgG ELISA Kit (A29L)

KAV13301

Human Anti-Monkeypox Virus (MPXV) IgG ELISA Kit(M1R)

KAV12701

Human Anti-Monkeypox Virus (MPXV) IgG ELISA Kit(H3L)

KAV13201

Human Anti-Monkeypox Virus (MPXV) IgG ELISA Kit(E8L)

KAV13101

Human Anti-Monkeypox Virus (MPXV) IgG ELISA Kit(A35R)

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参考文献:

[1]Subunit recombinant vaccine protects against monkeypox. J Immunol. 2006 Aug 15;177(4):2552-64. doi: 10.4049/jimmunol.177.4.2552. PMID: 16888017.

[2]Outbreak of human monkeypox in Nigeria in 2017-18: a clinical and epidemiological report. Lancet Infect Dis. 2019 Aug;19(8):872-879. doi: 10.1016/S1473-3099(19)30294-4. Epub 2019 Jul 5. PMID: 31285143.

[3]A Nucleic Acid-Based Orthopoxvirus Vaccine Targeting the Vaccinia Virus L1, A27, B5, and A33 Proteins Protects Rabbits against Lethal Rabbitpox Virus Aerosol Challenge. J Virol. 2022 Feb 9;96(3):e0150421. doi: 10.1128/JVI.01504-21. Epub 2021 Dec 1. PMID: 34851148; PMCID: PMC8826804.

[4]Mapping and functional analysis of interaction sites within the cytoplasmic domains of the vaccinia virus A33R and A36R envelope proteins. J Virol. 2003 Apr;77(7):4113-26. doi: 10.1128/jvi.77.7.4113-4126.2003. PMID: 12634370; PMCID: PMC150634.

[5]Vaccinia virus induces cell fusion at acid pH and this activity is mediated by the N-terminus of the 14-kDa virus envelope protein. Virology. 1990 Sep;178(1):81-91. doi: 10.1016/0042-6822(90)90381-z. PMID: 2389560.

[6]Molecular Evidence of Human Monkeypox Virus Infection, Sierra Leone. Emerg Infect Dis. 2019 Jun;25(6):1220-1222. doi: 10.3201/eid2506.180296. Epub 2019 Jun 17. PMID: 30900976; PMCID: PMC6537715.

[7]Inhibition of monkeypox virus replication by RNA interference. Virol J. 2009 Nov 4;6:188. doi: 10.1186/1743-422X-6-188. PMID: 19889227; PMCID: PMC2777875.

[8]Rapid protection in a monkeypox model by a single injection of a replication-deficient vaccinia virus. Proc Natl Acad Sci U S A. 2008 Aug 5;105(31):10889-94. doi: 10.1073/pnas.0804985105. Epub 2008 Aug 4. PMID: 18678911; PMCID: PMC2495015.