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Journals and Conferences
Primary structure of 5'-end 16S RNA gene of mitochondrial DNA (mDNA) isolated from rat liver tissue within 20 hrs after treatment with 1,2-dimethyl hydrazine, was analyzed. The preparations studied did not contain mutations induced by the drug. The region of mDNA analyzed appears not to be a preferential target for mutagenic effect of 1,2-dimethyl hydrazine… (More)
By the restriction analysis method we established that methylation of the 5'-end cytosine in 5'-m5CC-3' duplexes had individual specific features. This genetic peculiarity did not change even in DNA from human stomach carcinomas.
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Ha-ras restriction fragments' length polymorphism (RFLP) in white blood cells and stomach tissues from patients with carcinoma and ulcer of the stomach was examined. Genomic DNAs were digested with Xho I, Pvu II, Pst I, Msp I, Bcn I, Mva I, Bsp RI. No Ha-ras-1 polymorphic variants specifically associated with the cancer disease were detected. RFLP of the… (More)
A method of the restriction analysis by Msp I enzyme has been used to analyze the 12th codon of Ha-ras-1 protooncogene in 10 human carcinomas and in the stomach mucosa adjacent to them their 5 metastases into the regional lymph nodes and in 2 ulcers. No point mutation was found.