지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한외과학회 Annals of Surgical Treatment and Research Annals of Surgical Treatment and Research Vol.108 No.2
- 발행연도
- 2025.2
- 수록면
- 108 - 123 (16page)
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초록· 키워드
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Purpose: Mitochondria-accumulating amphiphilic peptide (Mito-FF) was designed to selectively target mitochondria in cancer cells and enhance anticancer effects through its unique structure. Mito-FF consists of (1) diphenylalanine, a β-sheet-forming building block critical for self-assembly; (2) triphenylphosphonium, a mitochondrial targeting moiety guiding the peptide to mitochondria; and (3) pyrene, a fluorescent probe enabling visualization of its accumulation and self- assembly. This study evaluates the anticancer efficacy of Mito-FF in breast cancer cells and explores its combination with paclitaxel, a standard therapy for breast cancer, focusing on its modulation of the epithelial-mesenchymal transition (EMT) pathway.
Methods: In vitro and in vivo experiments were performed using MCF-7 and MDA-MB-231 breast cancer cell lines and their respective xenograft models. Cell viability, migration, EMT marker expression, and apoptosis-related proteins were analyzed.
Results: Mito-FF demonstrated superior inhibition of cell viability and migration compared to paclitaxel alone in both cell lines. Combination therapy with Mito-FF and paclitaxel resulted in enhanced reduction of cell viability and migration. EMT markers were significantly modulated, with decreased mesenchymal markers (Snail and vimentin) and increased epithelial marker (E-cadherin) following combination treatment. Furthermore, the combination therapy synergistically elevated pro- apoptotic markers such as poly (adenosine diphosphate-ribose) polymerase and reduced anti-apoptotic markers such as myeloid cell leukemia 1. In vivo experiments revealed a marked reduction in tumor volume with combination therapy, accompanied by the highest expression levels of E-cadherin and pro-apoptotic marker Bim.
Conclusion: Mito-FF, designed for mitochondrial targeting and visualization, exhibited potent anticancer effects when combined with paclitaxel, in the breast cancer cells.
Methods: In vitro and in vivo experiments were performed using MCF-7 and MDA-MB-231 breast cancer cell lines and their respective xenograft models. Cell viability, migration, EMT marker expression, and apoptosis-related proteins were analyzed.
Results: Mito-FF demonstrated superior inhibition of cell viability and migration compared to paclitaxel alone in both cell lines. Combination therapy with Mito-FF and paclitaxel resulted in enhanced reduction of cell viability and migration. EMT markers were significantly modulated, with decreased mesenchymal markers (Snail and vimentin) and increased epithelial marker (E-cadherin) following combination treatment. Furthermore, the combination therapy synergistically elevated pro- apoptotic markers such as poly (adenosine diphosphate-ribose) polymerase and reduced anti-apoptotic markers such as myeloid cell leukemia 1. In vivo experiments revealed a marked reduction in tumor volume with combination therapy, accompanied by the highest expression levels of E-cadherin and pro-apoptotic marker Bim.
Conclusion: Mito-FF, designed for mitochondrial targeting and visualization, exhibited potent anticancer effects when combined with paclitaxel, in the breast cancer cells.
목차
INTRODUCTION
METHODS
RESULTS
DISCUSSION
REFERENCES
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