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Background

Although cigarette smoking is considered one of the key risk factors for lung cancer, 15% of male patients and 53% of female patients with lung cancer are non-smokers. Metabolic changes are critical features of cancer. Therapeutic target identification from a metabolic perspective in non-small cell lung cancer (NSCLC) tissue of female non-smokers has long been ignored.

Results

Based on microarray data retrieved from Affymetrix expression arrays E-GEOD-19804, we found that the downregulated genes in non-smoking female NSCLC patients tended to participate in protein/amino acid and lipid metabolism, while upregulated genes were more involved in protein/amino acid and carbohydrate metabolism. Combining nutrient metabolic co-expression, protein-protein interaction network construction and overall survival assessment, we identified NR4A1 and TIE1 as potential therapeutic targets for NSCLC in female non-smokers. To accelerate the drug development for non-smoking female NSCLC patients, we identified nilotinib as a potential agonist targeting NR4A1 encoded protein by molecular docking and molecular dynamic stimulation. We also show that nilotinib inhibited proliferation and induced senescence of cells in non-smoking female NSCLC patients in vitro.

Conclusions

These results not only uncover nutrient metabolic characteristics in non-smoking female NSCLC patients, but also provide a new paradigm for identifying new targets and drugs for novel therapy for such patients."xsd:string
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http://purl.uniprot.org/citations/30806032http://purl.uniprot.org/core/author"Long X."xsd:string
http://purl.uniprot.org/citations/30806032http://purl.uniprot.org/core/author"Sun R."xsd:string
http://purl.uniprot.org/citations/30806032http://purl.uniprot.org/core/author"Yuan Y."xsd:string
http://purl.uniprot.org/citations/30806032http://purl.uniprot.org/core/author"Wu M.M."xsd:string
http://purl.uniprot.org/citations/30806032http://purl.uniprot.org/core/author"Bao M.Y."xsd:string
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http://purl.uniprot.org/citations/30806032http://purl.uniprot.org/core/title"Metabolic gene NR4A1 as a potential therapeutic target for non-smoking female non-small cell lung cancer patients."xsd:string
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