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- W1996355492 abstract "Gene therapy provides a number of potential treatments that could be applied in clinic to prevent deaths from cancer. However, the transfer of gene therapy to the clinical application has proven difficult because many problems remain to be solved concerning the transfection efficiency, target specificity, and safety issues. To overcome these barriers, a peptide-based vector, K12H6V8SSQHWSYKLRP (KHV-LHRH) that comprises four functional blocks, is studied in this work for the targeted delivery of a model gene drug to cancer cells. KHV-LHRH peptide, which contains a luteinizing hormone-releasing hormone (LHRH) sequence, can specifically target cancer cells expressing LHRH receptors. The gene expression, cytotoxicity, and cellular uptake mediated by this vector were evaluated against MCF-7 human breast cancer cells (LHRH-receptor-positive) and SKOV-3 human ovarian carcinoma cells (LHRH-receptor-negative) and compared to a peptide vector (K12H6V8) (KHV) without the LHRH ligand and poly(ethylenimine) (PEI). The results showed that KHV-LHRH enhanced the DNA internalization and induced significantly higher gene expression than KHV in LHRH-receptor-positive MCF-7 cells. Also, the peptide-based vectors had low cytotoxicity compared to that of PEI. The high specificity and transfection efficiency of the integrated peptide-based vector make it a very promising material for targeted gene delivery in cancer therapy." @default.
- W1996355492 created "2016-06-24" @default.
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- W1996355492 date "2012-11-08" @default.
- W1996355492 modified "2023-10-12" @default.
- W1996355492 title "Selective Gene Delivery to Cancer Cells Using an Integrated Cationic Amphiphilic Peptide" @default.
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- W1996355492 doi "https://doi.org/10.1021/la303299s" @default.
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