Rutgers, The State University of New Jersey

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Core–Shell Nanoparticle-Based Peptide Therapeutics and Combined Hyperthermia for Enhanced Cancer Cell Apoptosis
Birju P. Shah , Nicholas Pasquale , Gejing De , Tao Tan , Jianjie Ma , and Ki-Bum Lee †*

Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States,
Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio 43210, United States
*Address correspondence to Ki-Bum Lee.

Abstract
Mitochondria-targeting peptides have garnered immense interest as potential chemotherapeutics in recent years. However, there is a clear need to develop strategies to overcome the critical limitations of peptides, such as poor solubility and the lack of target specificity, which impede their clinical applications. To this end, we report magnetic core–shell nanoparticle (MCNP)-mediated delivery of a mitochondria-targeting pro-apoptotic amphipathic tail-anchoring peptide (ATAP) to malignant brain and metastatic breast cancer cells. Conjugation of ATAP to the MCNPs significantly enhanced the chemotherapeutic efficacy of ATAP, while the presence of targeting ligands afforded selective delivery to cancer cells. Induction of MCNP-mediated hyperthermia further potentiated the efficacy of ATAP. In summary, a combination of MCNP-mediated ATAP delivery and subsequent hyperthermia resulted in an enhanced effect on mitochondrial dysfunction, thus resulting in increased cancer cell apoptosis.

Keywords: magnetic core-shell nanoparticle; mitochondria-targeting peptide; amphipathic tail-anchoring peptide; magnetic hyperthermia; magnetically facilitated delivery; combined therapy
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논문정보   
- 형식: Research article
- 게재일: 2014년 08월 (BRIC 등록일 2014-08-24)
- 연구진: 국외연구진
- 분야: Pharmacology, Nanobio, Cancer Biology/Oncology
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