Activation of the c-mos oncogene in a mouse plasmacytoma by insertion of an endogenous intracisternal A-particle genome

E. Canaani, O. Dreazen, A. Klar, G. Rechavi, D. Ram, J. B. Cohen, D. Givol

Research output: Contribution to journalArticlepeer-review

124 Scopus citations

Abstract

The activation of the cellular oncogene c-mos in mouse plasmacytoma XRPC24 was found to result from the insertion of a 4.7-kilobase-pair cellular DNA element, within the c-mos coding region. The element terminates on both sides with a direct repeat of around 335 nucleotides. The repeat as well as internal sequences of the element show strong homology to endogenous intracisternal A-particle (IAP) genes. The IAP genome integrated within c-mos in a head-to-head (5' to 5') configuration. This juxtapositioned the IAP 5' long terminal repeat next to the bulk of the oncogene's coding region and shifted c-mos 5' coding and flanking sequences to a position further upstream. The significance of several aspects of this activation and transposition event is discussed.

Original languageEnglish
Pages (from-to)7118-7122
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume80
Issue number23 I
DOIs
StatePublished - 1983

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