Differential amplification and expression of c-myb oncogene in Zajdela ascitic hepatoma.
Organisation and expression of c-myb protooncogene have been studied in a heterogeneous tumour the Zajdela ascitic hepatoma (ZAH). The myb gene is selectively amplified in the more tumorigenic subpopulation of the tumour while the non-lethal subpopulation does not show any change. Analysis of transcripts of the myb gene in tumorigenic versus nontumorigenic cells shows that the level of amplification of the gene does not correspond to the level of its transcription. Results have been discussed in the light of existing evidence regarding the role of c-myb gene expression during cell cycle.
Centre for Cellular and Molecular Biology, Hyderabad, India.
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Sudhakar
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Pande
D000818:Animals; D004273:DNA, Neoplasm / Q000235:genetics; D005784:Gene Amplification; D015870:Gene Expression; D008099:Liver / Q000378:metabolism; D008114:Liver Neoplasms, Experimental / Q000235:genetics*; D011519:Proto-Oncogenes; D051381:Rats
D004273:DNA, Neoplasm