Highly Potent, Selective, Biostable, and Cell-Permeable Cyclic D-Peptide for Dual-Targeting Therapy of Lung Cancer
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY(2022)
摘要
The application of peptide drugs in cancer therapy is impeded by their poor biostability and weak cell permeability. Therefore, it is imperative to find biostable and cell-permeable peptide drugs for cancer treatment. Here, we identified a potent, selective, biostable, and cell-permeable cyclic D-peptide, NKTP-3, that targets NRP1 and KRAS(G12D) using structure-based virtual screening. NKTP-3 exhibited strong biostability and cellular uptake ability. Importantly, it significantly inhibited the growth of A427 cells with the KRAS(G12D) mutation. Moreover, NKTP-3 showed strong antitumor activity against A427 cell-derived xenograft and KRAS(G12D)-driven primary lung cancer models without obvious toxicity. This study demonstrates that the dual NRP1/KRAS(G12D)-targeting cyclic D-peptide NKTP-3 may be used as a potential chemotherapeutic agent for KRAS(G12D)-driven lung cancer treatment.
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关键词
lung cancer,cell-permeable,dual-targeting
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