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1)  deletion heterozygote
缺失杂合体;缺失异型接合子
2)  loss of heterozygosity
杂合子缺失
3)  Loss of hererozygosity
杂合型缺失
4)  loss of heterozygosity
杂合缺失
1.
Loss of heterozygosity of chromosome 22 in sporadic colorectal carcinoma;
散发性结直肠癌22号染色体等位基因杂合缺失
2.
Methods: Mutation in exon 3 of β-catenin gene and mutation cluster region of APC gene, loss of heterozygosity and methylation status of promoter 1A of APC gene in breast cancer and normal tissue around tumor were detected by polymerase chain reaction-single strand conformation polymorphism, microsatellite analysis and methylation specific PCR.
方法:应用PCR-SSCP、微卫星标记、甲基化特异性PCR方法检测乳腺癌和癌旁正常乳腺组织中β-catenin基因外显子3和APC基因突变密集区突变、APC基因杂合缺失(LOH)和启动子1A区甲基化状态,用RT-PCR检测APC基因mRNA表达;并用免疫组织化学法检测APC和β-catenin蛋白表达。
3.
Objective Loss of heterozygosity (LOH) of tumor suppressor gene(TSG) is believed to play a key role in carcinogenesis of colorectal cancer (CRC).
目的抑癌基因的杂合缺失(LOH)被认为是结直肠癌形成的通路之一,本实验拟通过对染色体10q23~24区的LOH分析,发现高频杂合缺失区域并筛查与结直肠癌相关的抑癌基因。
5)  LOH
杂合缺失
1.
Detection of allele-specific chromosome 3p25 by PCR -LOH in 35 cases of esophageal carcinoma;
食管癌患者3p25等位基因杂合缺失的初步研究
2.
Methods: We performed restriction fragment length polymorphism (RFLP) analysis by using the polymerase chain reaction (PCR) and primer sets of two DNA markers to examine loss of heterozygosity (LOH) from 3p in glioma samples.
方法 :应用 PCR技术配合限制性片段长度多态性 (RFL P)分析 ,对胶质瘤 3号染色体短臂3p2 4两个 DNA标志不同位点的杂合缺失 (L OH)进行检测。
6)  loss of heterozygosity
杂合性缺失
1.
Identification of some macrosatillite sites of chromosome 19 in primary gastric carcinoma with loss of heterozygosity;
19号染色体微卫星杂合性缺失与原发性胃癌的临床关系
2.
Analysis of loss of heterozygosity in tk gene of L5178Y mouse lymphoma cells induced by colchicine and vincristine;
秋水仙碱和长春新碱诱导L5178Y小鼠淋巴瘤细胞tk基因杂合性缺失分析
3.
Study of loss of heterozygosity and microsatellite instabilities of fragile histidine triad gene in gastric carcinoma;
胃癌FHIT基因杂合性缺失及微卫星不稳定性的研究
补充资料:缺失
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性质:由于在核分裂中染色体DNA的某部分失落而引起的染色体变异。在某些情况下,在减数分裂的前期即可辨认出缺失,因为有一个环形(loop)生成,以使缺失区的两边都能进行正常的配对。

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