Abstract
Background: Peniciketal A (Pe-A) is a spiroketal compound isolated from saline soil-derived fungus Penicillium raistrickii. However, its role for biological processes has not been clarified. In this study, we for the first time investigated the anticancer effects and the underlying mechanisms of Pe-A in A549 lung cancer cells.
Metheds: Cell proliferation was tested by MTT assay and colony formation assay. Flow cytometry was performed to examine the cell cycle, apoptosis and mitochondrial membrane potential. Invasion and migration were analyzed using transwell assay and wound healing analysis. Immunofluorescence staining and western blotting were used to evaluate the protein expression.
Results: Pe-A effectively inhibited proliferation, with IC50 values was 22.33 μM for 72 h. Mechanistic studies revealed that Pe-A caused cell cycle arrest at the G0-G1 phase by decreasing cyclinD1 expression and induced apoptosis through accelerating the mitochondrial apoptotic pathway. Moreover, Pe-A significantly inhibited A549 cell migration and invasion by reducing the protein levels of MMP-2 and MMP-9, while the Epithelial- Mesenchymal Transition (EMT) property was also changed. Importantly, Pe-A exhibited much lower toxicity towards L02, normal liver cells, and MRC5, normal fibroblast cells, compared to A549 cells.
Conclusion: Collectively, the current results indicate that Pe-A may offer effective potentials and insights for lung cancer treatment and drug design.
Keywords: Peniciketal A, spiroketal, cell cycle, apoptosis, metastasis, EMT.
Anti-Cancer Agents in Medicinal Chemistry
Title:Peniciketal A, A Novel Spiroketal Compound, Exerts Anticancer Effects by Inhibiting Cell Proliferation, Migration and Invasion of A549 Lung Cancer Cells
Volume: 18 Issue: 11
Author(s): Xue Gao, Yuming Zhou, Xiaoqi Zheng, Hongliu Sun, Jing Zhang, Weizhong Liu*Xiaohong Pan*
Affiliation:
- Department of Pharmaceutical Sciences, Binzhou Medical University, Yantai 264003,China
- Department of Pharmaceutical Sciences, Binzhou Medical University, Yantai 264003,China
Keywords: Peniciketal A, spiroketal, cell cycle, apoptosis, metastasis, EMT.
Abstract: Background: Peniciketal A (Pe-A) is a spiroketal compound isolated from saline soil-derived fungus Penicillium raistrickii. However, its role for biological processes has not been clarified. In this study, we for the first time investigated the anticancer effects and the underlying mechanisms of Pe-A in A549 lung cancer cells.
Metheds: Cell proliferation was tested by MTT assay and colony formation assay. Flow cytometry was performed to examine the cell cycle, apoptosis and mitochondrial membrane potential. Invasion and migration were analyzed using transwell assay and wound healing analysis. Immunofluorescence staining and western blotting were used to evaluate the protein expression.
Results: Pe-A effectively inhibited proliferation, with IC50 values was 22.33 μM for 72 h. Mechanistic studies revealed that Pe-A caused cell cycle arrest at the G0-G1 phase by decreasing cyclinD1 expression and induced apoptosis through accelerating the mitochondrial apoptotic pathway. Moreover, Pe-A significantly inhibited A549 cell migration and invasion by reducing the protein levels of MMP-2 and MMP-9, while the Epithelial- Mesenchymal Transition (EMT) property was also changed. Importantly, Pe-A exhibited much lower toxicity towards L02, normal liver cells, and MRC5, normal fibroblast cells, compared to A549 cells.
Conclusion: Collectively, the current results indicate that Pe-A may offer effective potentials and insights for lung cancer treatment and drug design.
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Cite this article as:
Gao Xue , Zhou Yuming , Zheng Xiaoqi , Sun Hongliu , Zhang Jing , Liu Weizhong *, Pan Xiaohong *, Peniciketal A, A Novel Spiroketal Compound, Exerts Anticancer Effects by Inhibiting Cell Proliferation, Migration and Invasion of A549 Lung Cancer Cells, Anti-Cancer Agents in Medicinal Chemistry 2018; 18 (11) . https://dx.doi.org/10.2174/1871520618666180604090802
DOI https://dx.doi.org/10.2174/1871520618666180604090802 |
Print ISSN 1871-5206 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5992 |
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