Future Neurology , January 2013, Vol. 8, No. 1, Pages 13-16. more
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Lung cancer is a lethal disease, and most cases have already disseminated at the time of diagnosis. Driver mutations in the EGFR tyrosine kinase domain (mainly deletions in exon 19 and L858R mutation in exon 21) have been identified in lung adenocarcinomas, mostly in never smokers, at frequencies of 20–60%. The EGFR tyrosine kinase inhibitors (TKIs) gefitinib or erlotinib attain a response rate of 70% and progression-free survival of 9–13 months, although there are subgroups of patients with long-lasting remissions. No significant correlation between EGFR overexpression and response to treatment has been found, while controversial results have been reported regarding EGFR gene amplification. The pretreatment presence of the T790M mutation, initially identified as an acquired resistance mutation to treatment with EGFR TKIs, has also been reported and may indicate a genetically distinct disease. Finally, other genetic factors, such as mRNA expression of BRCA1 and components of the NF-κB pathway, can modulat...
|Authors:||Clara Mayo; Jordi Bertran-Alamillo; Miguel Ángel Molina-Vila; Ana Giménez-Capitán; Carlota Costa; Rafael Rosell|
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Future Neurology , January 2013, Vol. 8, No. 1, Pages 5-7. more
Future Neurology , January 2013, Vol. 8, No. 1, Pages 1-3. more