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日本血吸虫虫卵排泄分泌物中具有诊断价值的抗原分子的初步鉴定 被引量:1
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作者 宋丽君 殷旭仁 +6 位作者 王玠 肖迪 张建中 高玒 周伟 许永良 余传信 《中国病原生物学杂志》 CSCD 北大核心 2020年第3期311-316,共6页
目的鉴定日本血吸虫虫卵分泌排泄物(ESA)中有血吸虫病诊断价值蛋白分子,为建立新的高敏感性和特异性的日本血吸虫病诊断方法奠定基础。方法日本血吸虫尾蚴感染家兔后42d,解剖家兔,取肝脏,匀浆后收集虫卵,置于PBS中,4℃过夜,收集上清,制... 目的鉴定日本血吸虫虫卵分泌排泄物(ESA)中有血吸虫病诊断价值蛋白分子,为建立新的高敏感性和特异性的日本血吸虫病诊断方法奠定基础。方法日本血吸虫尾蚴感染家兔后42d,解剖家兔,取肝脏,匀浆后收集虫卵,置于PBS中,4℃过夜,收集上清,制备虫卵排泄分泌物。以虫卵排泄分泌物包被酶标板,采用ELISA检测不同感染度、不同感染时间小鼠血清抗体滴度。同时以虫卵ESAELISA分别检测血吸虫病患者血清、健康人血清和弓形虫病患者血清,观察虫卵ESA用于血吸虫病诊断的敏感性和特异性及交叉反应性。通过一维电泳免疫印迹、二维电泳免疫印迹和飞行质谱分析,鉴定虫卵ESA中具有诊断潜能的蛋白分子。结果ELISA检测结果显示血吸虫感染小鼠血清中抗虫卵ESA抗体IgG水平随着感染时间的延长而升高,且与血吸虫感染度呈正相关,在感染早期即检出相应抗体。虫卵ESA检测血吸虫病患者血清的敏感性为97.2%,检测健康人血清的特异性为95.2%,与弓形虫病患者血清的交叉反应性为25.0%。一维电泳免疫印迹试验显示血吸虫感染兔血清可识别170×103、150×103、130×103、100×103、72×103、70×103、30×103ku左右的ESA蛋白;二维电泳免疫印迹试验显示血吸虫感染兔血清可识别8个蛋白斑点,质谱分析其中1个蛋白斑点为日本血吸虫主要的虫卵蛋白P40。结论日本血吸虫虫卵排泄分泌抗原具有一定的血吸虫病诊断与早期诊断价值,虫卵的主要蛋白P40可能是一个具有诊断潜能的抗原分子。 展开更多
关键词 虫卵排泄分泌抗原 诊断 蛋白组学分析
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RIP3 deficiency attenuated hepatic stellate cell activation and liver fibrosis in schistosomiasis through JNK-cJUN/Egr1 downregulation
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作者 Li-Jun Song xu-ren yin +7 位作者 Sheng-Wen Guan Hong Gao Pan-Pan Dong Cong-Jin Mei ying-ying Yang ying Zhang Chuan-Xin Yu Zi-Chun Hua 《Signal Transduction and Targeted Therapy》 SCIE CSCD 2022年第7期2151-2153,共3页
Dear Editor,Activated hepatic stellate cells(HSCs)synthesizing a large amount of extracellular matrix(ECM)are the key events to hepatic fibrosis.1 However,there are no effective drugs for curing liver fibrosis in the ... Dear Editor,Activated hepatic stellate cells(HSCs)synthesizing a large amount of extracellular matrix(ECM)are the key events to hepatic fibrosis.1 However,there are no effective drugs for curing liver fibrosis in the clinic.1 Therefore,clarifying the formation mechanism of liver fibrosis is of great importance for finding anti-liver fibrosis drug targets.Recently,an increasing amount of research has shown that necroptosis regulated by receptor-interacting protein kinase 3(RIP3)plays an important role in inflammatory disease injury and could be used as a drug target.2 We found that RIP3 was highly expressed in liver tissues of wildtype(WT)mice infected with Schistosoma japonicum(S.japonicum),mainly at 6 w(weeks)and 8 w post-infection(Fig.1a)。 展开更多
关键词 RIP3 hepatic liver
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Decoquinate derivatives:A new class of potent antischistosomal agents against Schistosoma japonicum
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作者 Wen-Long Wang Li-Jun Song +7 位作者 Bo-Chun Hu Li Miao Xiao-Yu Chen Wen-Hua Fan xu-ren yin Shuang Shen Zhao-Feng Ding Chuan-Xin Yu 《Chinese Chemical Letters》 SCIE CAS CSCD 2017年第7期1547-1552,共6页
Decoquinate(1), an old and inexpensive coccidiostat, exhibited potent antimalarial activity, however, its antischistosomal activity against Schistosoma japonicum has not yet been evaluated. Based on decoquinate, a s... Decoquinate(1), an old and inexpensive coccidiostat, exhibited potent antimalarial activity, however, its antischistosomal activity against Schistosoma japonicum has not yet been evaluated. Based on decoquinate, a series of decoquinate derivatives was designed, synthesized, evaluated as a new class of antischistosomal agents against S. japonicum adult worms in vitro. Among them, compound 15 killed 100% of adult S. japonicum in 72 h at the concentration of 10 mmol/L in vitro, exhibited stronger wormkilling activity than PZQ in vitro and could serve as a promising lead compound to develop new antischistosomal agents. 展开更多
关键词 Decoquinate Derivatives Worm-killing activity Schistosoma japonicum Structure–activity relationships(SARs)
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