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Sequencing of hepatitis C virus cDNA with polymerase chain reaction directed sequencing *
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作者 魏来 王宇 +1 位作者 陈红松 陶其敏 《World Journal of Gastroenterology》 SCIE CAS CSCD 1997年第1期18+15-17,15-17,共4页
AIM To explore a rapid and easy sequencing method for hepatitis C virus (HCV) genome, and establish a new sequencing method in China. METHODS Polymerase Chain Reaction (PCR) was combined with DNA sequencing techn... AIM To explore a rapid and easy sequencing method for hepatitis C virus (HCV) genome, and establish a new sequencing method in China. METHODS Polymerase Chain Reaction (PCR) was combined with DNA sequencing technique. PCR products were purified by agarose gel electrophoresis, polyacrylamide gel electrophoresis (PAGE), Polyethylene glycol (PEG) respectively. Then in the presence of a 5′ labeling PCR primer, purified PCR products were directly sequenced. By this method, HCV NS5b cDNA from two HCV infected individuals (HC 42 and HC 49) were sequenced. 展开更多
关键词 Hepatitis C virus dna viral dna complementary Polymerase chain reaction Sequence analysis dna Mutation
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白血病中P16基因突变的检测
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作者 李巍 杜传书 《中山大学学报(医学科学版)》 CAS CSCD 1997年第S1期18+20-21,19+25,共5页
用聚合酶链反应-单链构象多态性(PCR-SSCP)、DNA直接测序和多重PCR法,检测了18例慢性粒细胞白血病(CML),1例K562细胞株,9例急性粒细胞性白血病(AML),6例急性淋巴细胞性白血病(ALL),2例... 用聚合酶链反应-单链构象多态性(PCR-SSCP)、DNA直接测序和多重PCR法,检测了18例慢性粒细胞白血病(CML),1例K562细胞株,9例急性粒细胞性白血病(AML),6例急性淋巴细胞性白血病(ALL),2例多发性骨髓瘤(MM)患者外周血/培养细胞DNA中P16基因的点突变和基因缺失。用PCR-SSCP共筛查出5例CML中P16基因的异常,突变率为27.8%(5/18),对其中1例外显子2异常者经测序证实为第151密码子CCC→CGC的转换,导致Pro→Arg的错义突变;并检出1例MM中P16基因外显子3的异常;受检的ALL,AML,K562细胞株中,未检出突变。各病例中均未检出P16基因的缺失。本文探讨了白血病中P16基因突变的意义。 展开更多
关键词 白血病/遗传学 突变 基因.抑制.肿瘤/遗传学 序列分析.dna
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