K-ras 4A and 4B mRNA levels correlate with superoxide in lung adenocarcinoma cells, while at the protein level, only mutant K-ras 4A protein correlates with superoxide

Abstract The K- ras gene is frequently mutated in lung and other cancers. K-ras protein includes two splice variants, K-ras 4A and 4B. While K-ras 4B is more widely expressed, recent evidence implicates K-ras 4A in lung tumorigenesis. We found that K-ras 4A protein has a wide range of expression in...

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