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• W4213306578 abstract "KRAS mutations, which are the main cause of the pathogenesis of lethal pancreatic adenocarcinomas, impair the functioning of the GTPase subunit, thus rendering it constitutively active and signaling intracellular pathways that end with cell transformation. In the present study, the AsPC-1 cell line, which has a G12D-mutated KRAS gene sequence, was utilized as a cellular model to test peptide nucleic acid-based antisense technology. The use of peptide nucleic acids (PNAs) that are built to exhibit improved hybridization specificity and have an affinity for complementary RNA and DNA sequences, as well as a simple chemical structure and high biological stability that affords resistance to nucleases and proteases, enabled targeting of the KRAS-mutated gene to inhibit its expression at the translation level. Because PNA-based antisense molecules should be capable of binding to KRAS mRNA sequences, PNAs were utilized to target the mRNA of the mutated KRAS gene, a strategy that could lead to the development of a novel drug for pancreatic cancer. Moreover, it was demonstrated that introducing new PNA to cells inhibited the growth of cancer cells and induced apoptotic death and, notably, that it can inhibit G12D-mutated KRAS gene expression, as demonstrated by RT-PCR and western blotting. Altogether, these data strongly suggest that the use of PNA-based antisense agents is an attractive therapeutic approach to treating KRAS-driven cancers and may lead to the development of novel drugs that target the expression of other mutated genes." @default.
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• W4213306578 date "2022-02-21" @default.
• W4213306578 modified "2023-10-18" @default.
• W4213306578 title "Inhibiting mutant KRAS G12D gene expression using novel peptide nucleic acid‑based antisense: A potential new drug candidate for pancreatic cancer" @default.
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• W4213306578 doi "https://doi.org/10.3892/ol.2022.13250" @default.
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