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Oncogene. 1990 Apr;5(4):565-70.

Presence of mutations in all three ras genes in human thyroid tumors.

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Institut de recherches scientifiques sur le cancer-CNRS, Villejuif, France.


Polymerase chain reaction (PCR) amplification followed by oligonucleotide probing was used to investigate the presence of ras genes mutations in human thyroid adenomas and carcinomas. The results confirm the frequent occurrence of mutations in all three ras genes in both adenomas and carcinomas, in agreement with the hypothesis that the ras mutations may constitute early steps in thyroid tumorigenesis. No evident correlation between the frequency of ras mutations, the identity of the mutated ras gene, the position affected in the ras gene or the type of mutation and the pathological features is apparent. However, definitive conclusion on this point is precluded because of the small number of tumors examined at the present time.

[Indexed for MEDLINE]

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