Myc and Src Oncogenes Have Complementary Effects on Cell Proliferation and Expression of Specific Extracellular Matrix Components in Definitive Chondroblasts

Overview

Journal Mol Cell Biol

Specialty Cell Biology

Date 1985 Mar 1

PMID 2985957

Citations 19

Authors

S Alema

F Tato

D Boettiger

Affiliations

Soon will be listed here.

Abstract

The effects of the avian viral oncogenes src and myc were compared for their ability to alter the differentiated phenotype and the proliferative capacity of definitive chondroblasts. As previously demonstrated, viruses carrying the src oncogene suppressed the synthesis of the chondroblast-specific products, type II collagen and cartilage-specific sulfated proteoglycan. In contrast, infection with MC29 and HB1 viruses, which carry the myc oncogene, did not suppress the synthesis of these normal differentiated cell products, but the infected cells exhibited an increased proliferative potential. The MH2 virus, which carries both the myc and mil oncogenes, both induced the suppression of these chondroblast-specific products and increased cell proliferation. The implications of these results for cooperation between oncogenes and the multi-oncogene models for neoplastic transformation are discussed.

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