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[The expression of C-FOS, C-JUN and phosphotyrosine gene products in lung cancer].

Jia Xs、Zhang Dr、Sun Aj

1994PubMedBiochemistry, Genetics and Molecular Biology被引 2

摘要

An immunohistochemical study on C-FOS, C-JUN and phosphotyrosine (P-Tyr) cancer gene products was performed. The results showed that C-FOS had the lowest frequency of expression and P-Tyr had the highest. The positive reactions of the three cancer gene products were observed in the nucleus, nuclear membrane and cytoplasm. The expression of C-FOS in normal bronchial and alveolar tissue was 3.8% and 1.6% respectively. But in lung cancer it was 60%. The simultaneous positive expression of C-FOS and C-JUN was 56% (54 cases). Negative C-FOS and positive C-JUN was 32%. Positive C-FOS and negative C-JUN was less than 4% (4 cases). Although C-FOS and C-JUN formed a hetero-dimer by zipper structure, the C-FOS had the ability of single expression.

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