Joining of the c-myc gene and a line 1 family member on chromosome 8 in a human primary giant cell carcinoma of the lung.
basic_science · Level V
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Abstract
A rearranged c-myc gene found in a human primary giant cell carcinoma of the lung was analyzed. The rearrangement was found in the region about 6 kilobase pairs upstream of the c-myc gene. The breakpoint was joined to a sequence carrying a Line 1 (L1) family member located on chromosome 8. This in vivo rearrangement of the c-myc gene specific to tumor cells may represent one mechanism of activation of a protooncogene during tumorigenesis or tumor progression in human cancer.