Methylnitrosourea

HRas proto-oncogene, GTPase ; Rattus norvegicus







19 Article(s)
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Pub. Year
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1 24105445 Molecular characterization of cancer reveals interactions between ionizing radiation and chemicals on rat mammary carcinogenesis. 2014 Apr 1 2
2 19652463 Increased H-ras mutation frequency in mammary tumors of rats initiated with N-methyl-N-nitrosourea (MNU) and treated with acrylamide. 2009 Oct 2
3 15688392 Cooperative induction of rat mammary cancer by radiation and 1-methyl-1-nitrosourea via the oncogenic pathways involving c-Myc activation and H-ras mutation. 2005 Jun 10 2
4 10767621 DNA repair: counteragent in mutagenesis and carcinogenesis-- accomplice in cancer therapy resistance. 2000 Apr 1
5 9570390 Synergistic effect of MNU and DMBA in mammary carcinogenesis and H-ras activation in female Sprague-Dawley rats. 1997 Nov 25 1
6 9591198 Effect of early vs. late administration of 4-hydroxyphenylretinamide (4-HPR) on N-methyl-N-nitrosourea (MNU)-induced mammary tumorigenesis. 1997 1
7 8769715 Absence of p53 mutations in methylnitrosourea-induced mammary tumors in rats. 1996 2
8 8895746 Alterations in H-ras1 promoter conformation during N-nitroso-N-methylurea-induced mammary carcinogenesis and pregnancy. 1996 Nov 1 7
9 8001265 DNA methylation adduct formation and H-ras gene mutations in progression of N-butyl-N-(4-hydroxybutyl)nitrosamine-induced bladder tumors caused by a single exposure to N-methyl-N-nitrosourea. 1994 Dec 3
10 8170982 N-nitroso-N-methylurea-induced rat mammary tumors arise from cells with preexisting oncogenic Hras1 gene mutations. 1994 Apr 26 1
11 7688078 Nonrandom distribution of O6-methylguanine in H-ras gene sequence from DNA modified with N-methyl-N-nitrosourea. 1993 Aug 1
12 1733572 K-ras oncogene mutations in rat colon tumors induced by N-methyl-N-nitrosourea. 1992 Jan 1
13 1874567 Mutational activation of c-Ha-ras genes in intraductal proliferation induced by N-nitroso-N-methylurea in rat mammary glands. 1991 Aug 19 1
14 1933853 Nitrosamine-induced cancer: selective repair and conformational differences between O6-methylguanine residues in different positions in and around codon 12 of rat H-ras. 1991 Nov 1 1
15 1975252 Absence of H-ras point mutation at codon 12 in N-methyl-N-nitrosourea-induced hepatocellular neoplasms in the rat. 1990 2
16 2116389 Mutational activation of H-ras and K-ras genes is absent in N-nitroso-N-methylurea-induced liver tumors in rats. 1990 May 1
17 2643488 Excision repair of O6-methylguanine synthesized at the rat H-ras N-methyl-N-nitrosourea activation site and introduced into Escherichia coli. 1989 Feb 4
18 3332020 Involvement of ras oncogenes in the initiation of carcinogen-induced tumors. 1986 2
19 6318112 Induction of mammary carcinomas in rats by nitroso-methylurea involves malignant activation of H-ras-1 locus by single point mutations. 1983 Dec 15-21 2