In vitro growth properties and PCR ras gene analysis of a murine embryonal carcinoma cell line harboring an amplified C-Ki-ras gene
1989
Ras proto-oncogenes are thought to be involved in both proliferation and malignant processes. We examined some growth properties of a murine embryonal carcinoma cell line (ECC), PCC4, that have been shown previously to be amplified for the c-KI-ras gene. Our results show that doubling time and plating efficiency are not significantly affected by such amplification. To examine the possible link between malignant behavior and c-Ki-ras alteration, we investigated activating mutations in this PCC4 cell line as well as in other ECC. Analysis of the in vitro amplified Ki-ras gene by PCR technology has not revealed point mutations in any of the ECC examined.
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