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However, no association was found between UGT1A7 polymorphisms and the incidence of KRAS mutation.

本研究结果显示代谢能较低之UGT1A7 基因表现型为肺癌的可能危险因子。

No mutation of Kras was detected in both cancer and paraneoplastic tissues.

Kras在胃癌及癌旁组织中均未发生突变。

ObjectiveTo investigate the point mutation of codon 12 of Hras and Kras in tissues of gastric carcinoma.

目的 探讨人胃癌组织中Hras、Kras基因第12密码子点突变情况及意义。

Of interest, all 6 TSAs contained a KRAS mutation confirming that SSAs and TSAs are genetically distinct entities.

有趣的是，所有6例TSAs均发生了KRAS基因突变，这证明SSAs和TSAs在基因水平上属不同实体。

Objective To discuss the relationship between Kras gene activation and MTS1/p16 gene mutation/deletion and the progression of endometrial carcinoma.

目的 探讨Kras激活与MTS1/p16基因突变/缺失在子宫内膜癌中的发生发展关系。

Moreover, no Tp53, p16 and Smad4 mutation were detected except for Kras~ G12D in PanIN cells.

PanIN是近几年提出的新术语并被认为是胰腺癌前病变[1]。

Point mutation in codon 12 of Hras and Kras were detected by polymerase chain reactionrestriction fragment length polymorphism.

应用聚合酶链反应限制性片段长度多态性分析法检测Hras、Kras基因第12密码子点突变情况。

This is a category B recommendation, however, and the update now states that therapy other than erlotinib should be considered for any patient with a KRAS gene mutation.

该建议属于B类，但更新的指南指出，KRAS基因突变患者应考虑使用除埃罗替尼以外的其他治疗方案。

ConclusionThe point mutation rate of codon 12 of Hras and Kras is low in gastric cancer, which suggestive of little role in the genesis of the cancer.

胃癌组织中Hras、Kras基因第12密码子点突变率低，在胃癌的发生中不起主要作用。

Results of chromosomic analysis showed that the chromosome of Beijing Fatty Chicken, Langshan Chicken and Small-tailed Han Sheep were mainly diploid and the individuals of diploid occupied 87.1%, 86.7%, 93.4% in population observed respectively. The chromosomic structure mutation was 1.5%, 0.8%, 1.4% respectively that different from chromosomic morpHology results reported by other researchers.

染色体分析结果表明，北京油鸡、狼山鸡、小尾寒羊成纤维细胞均以二倍体为主，二倍体染色体数目分别占所观察数目的87.1％、86.7％和93.4％；染色体结构变异率分别为1.5％、0.8％和1.4％；染色体形态与前人报道的其他品种相比略有不同。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。