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EnglishRapidly growing, undifferentiated brain tumours were induced in newborn Syrian hamsters by intracerebral inoculation of a recombinant DNA (pBK/c-rasA) carrying the BK virus (BKV) early region gene and the activated human c-Harvey-ras (c-Ha-ras) oncogene. Neither of the two genes inoculated alone nor recombinant DNA of the BKV early region gene and the normal human c-Ha-ras proto-oncogene were tumourigenic. Tumour-derived cell lines propagated in culture were immortalized and had growth characteristics consistent with a fully transformed phenotype. Tumours and tumour cell lines contained pBK/c-rasA sequences integrated into cellular DNA and expressed BKV- and c-Ha-ras-specific transcripts as well as BKV T antigen and c-Ha-ras p21. These findings are discussed in relation to a possible cooperation or synergism between BKV and cellular oncogenes in human neoplasia.
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| Data di pubblicazione: | 1988 | |
| Titolo: | Cooperation in oncogenesis between BK virus early region gene and the activated human c-Harvey RAS oncogene | |
| Autori: | CORALLINI A.; PAGNANI M.; CAPUTO A.; M. NEGRINI; ALTAVILLA G.; CATOZZI L.; BARBANTI-BRODANO G. | |
| Rivista: | JOURNAL OF GENERAL VIROLOGY | |
| Abstract: | Rapidly growing, undifferentiated brain tumours were induced in newborn Syrian hamsters by intracerebral inoculation of a recombinant DNA (pBK/c-rasA) carrying the BK virus (BKV) early region gene and the activated human c-Harvey-ras (c-Ha-ras) oncogene. Neither of the two genes inoculated alone nor recombinant DNA of the BKV early region gene and the normal human c-Ha-ras proto-oncogene were tumourigenic. Tumour-derived cell lines propagated in culture were immortalized and had growth characteristics consistent with a fully transformed phenotype. Tumours and tumour cell lines contained pBK/c-rasA sequences integrated into cellular DNA and expressed BKV- and c-Ha-ras-specific transcripts as well as BKV T antigen and c-Ha-ras p21. These findings are discussed in relation to a possible cooperation or synergism between BKV and cellular oncogenes in human neoplasia. | |
| Handle: | http://hdl.handle.net/11392/462396 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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