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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Activation of the cellular oncogene c-erbB by LTR insertion: molecular basis for induction of erythroblastosis by avian leukosis virus.

Avian leukosis virus (ALV), a slowly oncogenic retrovirus, induces in chickens a variety of neoplasms, including lymphoid leukosis and erythroblastosis. In lymphoid leukosis, a cellular oncogene, c-myc, is activated by the insertion of ALV LTR. We provide evidence that ALV utilizes a similar mechanism in erythroblastosis induction by activating a different cellular oncogene, c-erbB. We report the isolation, from leukemic erythroblast DNA, of a clone that represents the viral-cell junction fragment and carried the ALV LTR and part of the c-erbB locus. Restriction and sequence analyses reveal that the LTR is located upstream from the erbB coding region and is oriented in the same transcriptional direction; such a structure would be compatible with the promoter-insertion type of activation. Our findings provide a molecular explanation for the multipotency of slowly oncogenic retroviruses.[1]

References

  1. Activation of the cellular oncogene c-erbB by LTR insertion: molecular basis for induction of erythroblastosis by avian leukosis virus. Fung, Y.K., Lewis, W.G., Crittenden, L.B., Kung, H.J. Cell (1983) [Pubmed]
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