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期刊论文 3

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2023 1

2014 1

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双抗原 1

纳米结合疫苗 1

羊种布鲁氏菌 1

蛋白-聚糖偶联技术（PGCT） 1

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Analysis of Brucella cellular fatty acids

Zhen-Xiang ZHAO MS, Hai JIANG MD, Bu-Yun CUI MS, Hong-Yan ZHAO, Dong-Ri PIAO MS, Lan-Yu LI, Su-Zhen HAO MS,

《医学前沿（英文）》 2010年 第4卷 第2期   页码 216-219 doi: 10.1007/s11684-010-0037-2

摘要： To acquire data of Brucella cellular fatty acids (CFAs) and probe into the possibility of utilizing CFAs information in typing Brucella, 19 reference strains were subjected to CFAs study. After all strains were inoculated on Brucella Agar plates, the cells were harvested, saponificated, methylated and extracted to provide fatty acid methylesters for gas chromatography (GC) analysis. Based on the CFAs data matrix, a dendrogram of 19 reference strains was generated by SPSS11.5 software package. The results showed that 19 reference strains were divided into five clusters: cluster 1 included (bv. 1, 2, 3, 5) and ; cluster 2 included (bv. 3, 4, 5, 6) and (bv. 1, 2, 3); cluster 3 included (bv. 1, 2, 7, 9) and ; cluster 4 was (bv. 4); and cluster 5 was . Typing Brucella by GC analysis of CFAs is a good method to reflect drug resistance of Brucella, and the classification is beneficial for clinical therapy. It also provides a new result of typing and demonstrates that the traditional classification is not completely reasonable. CFAs analysis may identify (bv. 4) and .

关键词： Brucella     gas chromatography     cellular fatty acids     dendrogram     typing    

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羊种布鲁氏菌双抗原纳米结合疫苗的生物合成与免疫效果评估 Article

黄竞, 王玉飞, 王康丰, 李淑磊, 孙鹏, 郭艳, 刘建凯, 杨瑞馥, 曾明, 潘超, 王恒樑, 朱力

《工程（英文）》 2023年 第29卷 第10期   页码 95-109 doi: 10.1016/j.eng.2023.04.007

摘要：

布鲁氏菌病是由布鲁氏菌引起的最常见的人畜共患疾病之一。然而，目前还没有供人类使用的疫苗上市。尽管一些减毒活疫苗已被批准用于动物，但保护效果并不理想。在本研究中，我们开发了一种含有多糖和蛋白质两种抗原的双抗原纳米结合疫苗来对抗布鲁氏菌感染。首先，我们使用蛋白-聚糖生物偶联技术将抗原多糖与外膜蛋白Omp19共价偶联，然后通过SpyTag/SpyCatcher系统将其装载到纳米载体上。在证实双抗原纳米结合疫苗的免疫激活能力和安全性后，我们在小鼠中通过不同的给药途径，进一步证明了疫苗免疫能够对两种抗原产生特异性血清抗体应答以及在非致死性和致死性布鲁氏菌感染模型中具有显著的保护作用。这些结果表明，双抗原纳米结合疫苗增强了辅助T细胞（Th）1和Th2免疫应答，并保护小鼠免受布鲁氏菌感染。此外，我们发现这种保护作用至少维持了18周。据我们所知，这是第一种在单个纳米颗粒上携带多种布鲁氏菌抗原（包括蛋白质和多糖）的布鲁氏菌病疫苗。因此，我们还提出了一种有吸引力的技术以共同递送不同类型的抗原，这也适用于其他传染病疫苗的制备策略。

关键词： 蛋白-聚糖偶联技术（PGCT）     双抗原     纳米结合疫苗     羊种布鲁氏菌    

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Attenuation mechanism of

Yuanqiang ZHENG,Yanchun SHI,Chang AN,Ruisheng LI,Dongjun LIU,Yuehua KE,Kairong MAO,Mingjuan YANG,Zeliang CHEN,Shorgan BOU

《农业科学与工程前沿（英文）》 2014年 第1卷 第4期   页码 331-340 doi: 10.15302/J-FASE-2014032

摘要： Brucellosis is a worldwide zoonosis. Vaccination is the most efficient means to prevent and control brucellosis. The current licensed attenuated vaccines for animal use were developed by sequential passage in non-natural hosts that decreased virulence in its original hosts. The attenuation mechanism of these strains remains largely unknown. In the present study, we sequenced the genome of vaccine strain M5-10. Sequence analysis showed that a large number of genetic changes occurred in the vaccine strains. A total of 2854 genetic polymorphic sites, including 2548 SNP, 241 INDEL and 65 MNV were identified. Of the 2074 SNPs in coding regions, 1310 (63.2%) were non-synonymous SNPs. Gene number, percent and N/S ratios were disproportionally distributed among the cog categories. Genetic polymorphic sites were identified in genes of the operon, flagella synthesis, and virulence regulating systems. These data indicate that changes in some cog categories and virulence genes might result in the attenuation. These attenuation mechanisms also have implications for screening and development of new vaccine strains. The genetic changes in the genome represent candidate sites for differential diagnosis between these vaccine strains and other virulence ones. Transcription analysis of virulence genes showed that expression of , were reduced in M5-10 strain when compared with that in 16M. A duplex PCR targeting and was successfully used to differentiate between M5-10 and the virulent 16M strain. The genome re-sequencing technique represents a strong strategy not only for evaluation of vaccines, but also for development of new vaccines.

关键词： Brucella     live attenuated vaccine     attenuation     differential diagnosis    

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标题 作者 时间 类型 操作

Analysis of Brucella cellular fatty acids

Zhen-Xiang ZHAO MS, Hai JIANG MD, Bu-Yun CUI MS, Hong-Yan ZHAO, Dong-Ri PIAO MS, Lan-Yu LI, Su-Zhen HAO MS,

期刊论文

羊种布鲁氏菌双抗原纳米结合疫苗的生物合成与免疫效果评估

黄竞, 王玉飞, 王康丰, 李淑磊, 孙鹏, 郭艳, 刘建凯, 杨瑞馥, 曾明, 潘超, 王恒樑, 朱力

期刊论文

Attenuation mechanism of

Yuanqiang ZHENG,Yanchun SHI,Chang AN,Ruisheng LI,Dongjun LIU,Yuehua KE,Kairong MAO,Mingjuan YANG,Zeliang CHEN,Shorgan BOU

期刊论文