期刊
PHARMACEUTICS
卷 15, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/pharmaceutics15041273
关键词
aptamer; MNK1; therapeutic target; non-small cell lung cancer; NSCLC; antitumor
Lung cancer is a major cause of cancer-related death worldwide. A previously identified aptamer, apMNKQ2, showed promising results as an antitumor drug in breast cancer. This study investigates the antitumor potential of apMNKQ2 in non-small cell lung cancer where MNK1 plays a significant role.
Lung cancer is the leading cause of cancer-related death worldwide. Its late diagnosis and consequently poor survival make necessary the search for new therapeutic targets. The mitogen-activated protein kinase (MAPK)-interacting kinase 1 (MNK1) is overexpressed in lung cancer and correlates with poor overall survival in non-small cell lung cancer (NSCLC) patients. The previously identified and optimized aptamer from our laboratory against MNK1, apMNKQ2, showed promising results as an antitumor drug in breast cancer in vitro and in vivo. Thus, the present study shows the antitumor potential of apMNKQ2 in another type of cancer where MNK1 plays a significant role, such as NSCLC. The effect of apMNKQ2 in lung cancer was studied with viability, toxicity, clonogenic, migration, invasion, and in vivo efficacy assays. Our results show that apMNKQ2 arrests the cell cycle and reduces viability, colony formation, migration, invasion, and epithelial-mesenchymal transition (EMT) processes in NSCLC cells. In addition, apMNKQ2 reduces tumor growth in an A549-cell line NSCLC xenograft model. In summary, targeting MNK1 with a specific aptamer may provide an innovative strategy for lung cancer treatment.
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