This is the first evidence of direct mutation of AKT1 in human cancer tumors: it was discovered in clinical samples from cancer patients, yet has never been detected in cancer cell lines.
这是首次在人类肿瘤细胞中发现AKT1突变的直接证据，结果都是从临床样本中检测到的，而在肿瘤细胞株中尚未报道过此突变。
An international team of 16 scientists today reports the first direct measurement of the general rate of genetic mutation at individual DNA letters in humans.
近日，一个由16位科学家组成的国际性团队报道了首例人的个体DNA序列总基因突变速率的直接测量数据。
They are never a substitute for direct reference, referent movement, and content mutation.
他们从来都不能替代直接指涉，指涉运动和内容转变。
Mutation analysis was detected by direct sequencing RT-PCR products.
直接测序法检测RT PCR产物的基因变异；
Specific primers were designed for MSX1 and PAX9 respectively. Mutation analysis was performed by direct sequencing of all the coding exons and intron-exon boundaries.
分别设计MSX1、PAX9基因特异性引物，聚合酶链反应扩增全部外显子编码区和内含子-外显子剪接序列，产物纯化后直接测序。
Objectives To study the feature of disease causing mutation of exon 12 of Wilson disease (WD) gene in Chinese and evaluate its value in direct gene diagnosis.
目的研究中国人肝豆状核变性（WD）基因12号外显子的突变特征，为建立直接基因诊断的方法提供理论依据。
CONCLUSION: We first amplified mtDNA in circulating plasma from breast cancer patients by direct PCR, checked mutation by DHPLC and confirmed results by sequencing.
结论：本实验直接用PCR扩增乳腺癌血浆核酸中线粒体基因，并用DHPLC初步筛选突变并测序证实。
Extron 1-5 of RHO gene was amplified by polymerase chain reaction (PCR), and the mutation of RHO gene was screened by direct DNA sequence measurement.
采用聚合酶链反应(PCR)方法扩增rho基因第1 ~ 5外显子和第1内含子基因片段，用直接dna测序法筛查rho基因突变。
Results all samples of water have plenty of direct mutagen and a small amount of indirect mutagen of base frameshift mutation.
结果各水样中有大量的碱基移码型的直接致突变物和少量的需经代谢活化的碱基移码型的直接致突变物。
Mutation of VHL gene from tumor tissue was detected from tumor tissue by polymerase chain reaction (PCR) and direct sequencing.
采用单链聚合酶链反应(PCR)和测序法检测肿瘤组织中VHL基因的突变情况。
Mutation of VHL gene from tumor tissue was detected from tumor tissue by polymerase chain reaction (PCR) and direct sequencing.
采用单链聚合酶链反应(PCR)和测序法检测肿瘤组织中VHL基因的突变情况。
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