| pubmed-article:3287372 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:3287372 | lifeskim:mentions | umls-concept:C0034678 | lld:lifeskim |
| pubmed-article:3287372 | lifeskim:mentions | umls-concept:C1512409 | lld:lifeskim |
| pubmed-article:3287372 | lifeskim:mentions | umls-concept:C1882726 | lld:lifeskim |
| pubmed-article:3287372 | lifeskim:mentions | umls-concept:C1879547 | lld:lifeskim |
| pubmed-article:3287372 | pubmed:issue | 11 | lld:pubmed |
| pubmed-article:3287372 | pubmed:dateCreated | 1988-7-8 | lld:pubmed |
| pubmed-article:3287372 | pubmed:abstractText | The presence of activated transforming genes was investigated in four primary aflatoxin-induced rat liver tumors in male Fischer rats, in two cell lines generated from such tumors, in an epithelial liver-derived nontransformed cell line, and in the latter cell line after transformation by aflatoxin B1 in vitro. When DNA extracted from these sources was transfected into NIH 3T3 cells, negative results were obtained from focus assays. Cotransfection of these DNA samples with a gene for resistance to G418, followed by selection for resistance to that antibiotic, and tumorigenicity testing in nude mice demonstrated DNA-mediated transfer of the neoplastic phenotype in all cases except for DNA from the nontransformed cell line. DNA extracted from these primary nude mouse tumors used in a secondary round of transfection with NIH 3T3 cells gave positive results in focus assays, which were conserved through succeeding rounds of transfection. By use of appropriate radiolabeled probes, activated ras oncogenes were detected in all samples. N-ras activation was detected in three of the primary rat liver tumors and both hepatoma cell lines. Ki-ras activation was detected in one primary rat liver tumor, and Ha-ras activation was detected in the cell line transformed in vitro with activated aflatoxin B1. The activated Ki-ras oncogene was further characterized by use of synthetic oligonucleotide probes and was shown to contain a G----A transition at the second nucleotide in codon 12. | lld:pubmed |
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| pubmed-article:3287372 | pubmed:language | eng | lld:pubmed |
| pubmed-article:3287372 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:3287372 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:3287372 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:3287372 | pubmed:month | Jun | lld:pubmed |
| pubmed-article:3287372 | pubmed:issn | 0027-8424 | lld:pubmed |
| pubmed-article:3287372 | pubmed:author | pubmed-author:SinhaSS | lld:pubmed |
| pubmed-article:3287372 | pubmed:author | pubmed-author:NealG EGE | lld:pubmed |
| pubmed-article:3287372 | pubmed:author | pubmed-author:MarshallC JCJ | lld:pubmed |
| pubmed-article:3287372 | pubmed:author | pubmed-author:KnowlesM AMA | lld:pubmed |
| pubmed-article:3287372 | pubmed:author | pubmed-author:ProctorAA | lld:pubmed |
| pubmed-article:3287372 | pubmed:author | pubmed-author:WebberCC | lld:pubmed |
| pubmed-article:3287372 | pubmed:author | pubmed-author:BarrassN CNC | lld:pubmed |
| pubmed-article:3287372 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:3287372 | pubmed:volume | 85 | lld:pubmed |
| pubmed-article:3287372 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:3287372 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:3287372 | pubmed:pagination | 3673-7 | lld:pubmed |
| pubmed-article:3287372 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:3287372 | pubmed:year | 1988 | lld:pubmed |
| pubmed-article:3287372 | pubmed:articleTitle | Activation of ras oncogene in aflatoxin-induced rat liver carcinogenesis. | lld:pubmed |
| pubmed-article:3287372 | pubmed:affiliation | Toxicology Unit, Medical Research Council Laboratories, Carshalton, Surrey, United Kingdom. | lld:pubmed |
| pubmed-article:3287372 | pubmed:publicationType | Journal Article | lld:pubmed |
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