Infections by nonpolio enteroviruses(EVs)are highly prevalent,particularly among children and neonates,where they may cause substantial morbidity and mortality.Laboratory diagnosis of these viral infections is importa...Infections by nonpolio enteroviruses(EVs)are highly prevalent,particularly among children and neonates,where they may cause substantial morbidity and mortality.Laboratory diagnosis of these viral infections is important in patient prognosis and guidance of clinical management.Although the laboratory diagnosis of non-polio EVs is mainly based on molecular techniques,classical virus-isolation techniques are still used in refer-ence laboratories.Other techniques,such as antigen detection and serology,are becoming obsolete and rarely used in diagnosis.An important part of diagnosis and surveillance of EV infections is viral typing by VP1 gene sequencing using conventional Sanger technique and more recently,full-genome next-generation sequencing.The latter allows the typing of all EVs,better investigation of EV outbreaks,detection of coinfec-tion,and identification of severity markers in the EV genome.展开更多
目的描述四川省2007～2008年急性弛缓性麻痹(Acute Flaccid Paralysis,AFP)病例监测中,分离到的部分非脊髓灰质炎肠道病毒(Nonpolio Enterovirus,NPEV)的型别特征,探讨AFP病例可能的病原谱。方法对四川省2007～2008年AFP病例中分离到的1...目的描述四川省2007～2008年急性弛缓性麻痹(Acute Flaccid Paralysis,AFP)病例监测中,分离到的部分非脊髓灰质炎肠道病毒(Nonpolio Enterovirus,NPEV)的型别特征,探讨AFP病例可能的病原谱。方法对四川省2007～2008年AFP病例中分离到的14株NPEV进行基因测序定型。结果测序结果经比较分析,确定肠道病毒(Enterovirus,EV)A组的柯萨奇病毒A组4、5、10型(Coxsackievirus Group A Type4、5、10,CVA4、CVA5、CVA10)和EV71型(Type71,EV71)各1株;EVB组的埃柯病毒(Enteric Cytopathogenic Human Orphan Virus,ECHO;引起细胞病变的人肠道孤儿病毒)6型(ECHO6)和30型(ECHO30)各3株,ECHO251株,CVA91株,CVB3和CVB5各1株。结论四川省2007～2008年AFP病例的病原谱可能包括多型别的NPEV。展开更多
基金This study was funded by the Russian Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing,grant ID 121041500041−1.
文摘Infections by nonpolio enteroviruses(EVs)are highly prevalent,particularly among children and neonates,where they may cause substantial morbidity and mortality.Laboratory diagnosis of these viral infections is important in patient prognosis and guidance of clinical management.Although the laboratory diagnosis of non-polio EVs is mainly based on molecular techniques,classical virus-isolation techniques are still used in refer-ence laboratories.Other techniques,such as antigen detection and serology,are becoming obsolete and rarely used in diagnosis.An important part of diagnosis and surveillance of EV infections is viral typing by VP1 gene sequencing using conventional Sanger technique and more recently,full-genome next-generation sequencing.The latter allows the typing of all EVs,better investigation of EV outbreaks,detection of coinfec-tion,and identification of severity markers in the EV genome.
文摘目的描述四川省2007～2008年急性弛缓性麻痹(Acute Flaccid Paralysis,AFP)病例监测中,分离到的部分非脊髓灰质炎肠道病毒(Nonpolio Enterovirus,NPEV)的型别特征,探讨AFP病例可能的病原谱。方法对四川省2007～2008年AFP病例中分离到的14株NPEV进行基因测序定型。结果测序结果经比较分析,确定肠道病毒(Enterovirus,EV)A组的柯萨奇病毒A组4、5、10型(Coxsackievirus Group A Type4、5、10,CVA4、CVA5、CVA10)和EV71型(Type71,EV71)各1株;EVB组的埃柯病毒(Enteric Cytopathogenic Human Orphan Virus,ECHO;引起细胞病变的人肠道孤儿病毒)6型(ECHO6)和30型(ECHO30)各3株,ECHO251株,CVA91株,CVB3和CVB5各1株。结论四川省2007～2008年AFP病例的病原谱可能包括多型别的NPEV。
