To investigate the functions of HPV-16 E6E7 protein in the development of cervical cancer,a recombinant plasmid pEGFP-HPV16E6E7,containing green fluorescent protein and HPV-16 E6E7 proteins was constructed and was tra...To investigate the functions of HPV-16 E6E7 protein in the development of cervical cancer,a recombinant plasmid pEGFP-HPV16E6E7,containing green fluorescent protein and HPV-16 E6E7 proteins was constructed and was transfected into HPV-negative cell line C33A mediated by liposome.The efficiency of tranfection was determined by inverted fluorescent microscope and the expression of E6E7 was detected by Western blot.It showed that transfection of C33A cell and Caski cell by HPV-16 E6E7 gene established a pair of transfected cell types to study the carcinogenesis of E6 and E7 proteins.展开更多
目的采用半巢式多重PCR法对A组轮状病毒(group A rotavirus,RVA)VP7基因进行分型。方法根据GenBank中RVA VP7基因5′端保守区设计合成多组基因分型引物,提取11个RVA代表流行毒株病毒的RNA,采用半巢式多重PCR方法进行RVA的VP7基因分型,使...目的采用半巢式多重PCR法对A组轮状病毒(group A rotavirus,RVA)VP7基因进行分型。方法根据GenBank中RVA VP7基因5′端保守区设计合成多组基因分型引物,提取11个RVA代表流行毒株病毒的RNA,采用半巢式多重PCR方法进行RVA的VP7基因分型,使用BLAST在线软件与GenBank上相应VP7核苷酸序列比对。结果经琼脂糖凝胶电泳鉴定,11株RVA的多重PCR产物大小均与预期一致,能正确鉴别具有代表性的流行毒株VP7基因型[G1、G2、KN105(Wa-like G3)、To16-01(equine-like,DS-1-likeG3)、G4、G8、G9及G12];经BLAST在线软件比对,RVA病毒株VP7基因序列与设计的上游引物匹配,并与下游引物互补,引物特异性良好。结论利用设计的引物成功建立的半巢式多重PCR方法能正确识别RVA的VP7基因型。展开更多
文摘To investigate the functions of HPV-16 E6E7 protein in the development of cervical cancer,a recombinant plasmid pEGFP-HPV16E6E7,containing green fluorescent protein and HPV-16 E6E7 proteins was constructed and was transfected into HPV-negative cell line C33A mediated by liposome.The efficiency of tranfection was determined by inverted fluorescent microscope and the expression of E6E7 was detected by Western blot.It showed that transfection of C33A cell and Caski cell by HPV-16 E6E7 gene established a pair of transfected cell types to study the carcinogenesis of E6 and E7 proteins.
文摘目的采用半巢式多重PCR法对A组轮状病毒(group A rotavirus,RVA)VP7基因进行分型。方法根据GenBank中RVA VP7基因5′端保守区设计合成多组基因分型引物,提取11个RVA代表流行毒株病毒的RNA,采用半巢式多重PCR方法进行RVA的VP7基因分型,使用BLAST在线软件与GenBank上相应VP7核苷酸序列比对。结果经琼脂糖凝胶电泳鉴定,11株RVA的多重PCR产物大小均与预期一致,能正确鉴别具有代表性的流行毒株VP7基因型[G1、G2、KN105(Wa-like G3)、To16-01(equine-like,DS-1-likeG3)、G4、G8、G9及G12];经BLAST在线软件比对,RVA病毒株VP7基因序列与设计的上游引物匹配,并与下游引物互补,引物特异性良好。结论利用设计的引物成功建立的半巢式多重PCR方法能正确识别RVA的VP7基因型。