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Yasir M, Park J, Han ET, Park WS, Han JH, Kwon YS, Lee HJ, Hassan M, Kloczkowski A, Chun W. Investigation of Flavonoid Scaffolds as DAX1 Inhibitors against Ewing Sarcoma through Pharmacoinformatic and Dynamic Simulation Studies. Int J Mol Sci 2023; 24:9332. [PMID: 37298283 PMCID: PMC10253386 DOI: 10.3390/ijms24119332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Dosage-sensitive sex reversal, adrenal hypoplasia critical region, on chromosome X, gene 1 (DAX1) is an orphan nuclear receptor encoded by the NR0B1 gene. The functional study showed that DAX1 is a physiologically significant target for EWS/FLI1-mediated oncogenesis, particularly Ewing Sarcoma (ES). In this study, a three-dimensional DAX1 structure was modeled by employing a homology modeling approach. Furthermore, the network analysis of genes involved in Ewing Sarcoma was also carried out to evaluate the association of DAX1 and other genes with ES. Moreover, a molecular docking study was carried out to check the binding profile of screened flavonoid compounds against DAX1. Therefore, 132 flavonoids were docked in the predicted active binding pocket of DAX1. Moreover, the pharmacogenomics analysis was performed for the top ten docked compounds to evaluate the ES-related gene clusters. As a result, the five best flavonoid-docked complexes were selected and further evaluated by Molecular Dynamics (MD) simulation studies at 100 ns. The MD simulation trajectories were evaluated by generating RMSD, hydrogen bond plot analysis, and interaction energy graphs. Our results demonstrate that flavonoids showed interactive profiles in the active region of DAX1 and can be used as potential therapeutic agents against DAX1-mediated augmentation of ES after in-vitro and in-vivo evaluations.
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Affiliation(s)
- Muhammad Yasir
- Department of Pharmacology, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea; (M.Y.); (J.P.); (H.-J.L.)
| | - Jinyoung Park
- Department of Pharmacology, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea; (M.Y.); (J.P.); (H.-J.L.)
| | - Eun-Taek Han
- Department of Medical Environmental Biology and Tropical Medicine, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea; (E.-T.H.); (J.-H.H.)
| | - Won Sun Park
- Department of Physiology, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea;
| | - Jin-Hee Han
- Department of Medical Environmental Biology and Tropical Medicine, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea; (E.-T.H.); (J.-H.H.)
| | - Yong-Soo Kwon
- College of Pharmacy, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea;
| | - Hee-Jae Lee
- Department of Pharmacology, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea; (M.Y.); (J.P.); (H.-J.L.)
| | - Mubashir Hassan
- The Steve and Cindy Rasmussen Institute for Genomic Medicine at Nationwide Children’s Hospital, Columbus, OH 43205, USA; (M.H.); (A.K.)
| | - Andrzej Kloczkowski
- The Steve and Cindy Rasmussen Institute for Genomic Medicine at Nationwide Children’s Hospital, Columbus, OH 43205, USA; (M.H.); (A.K.)
| | - Wanjoo Chun
- Department of Pharmacology, Kangwon National University School of Medicine, Chuncheon 24341, Republic of Korea; (M.Y.); (J.P.); (H.-J.L.)
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Adeluola A, Zulfiker AHM, Brazeau D, Amin ARMR. Perspectives for synthetic curcumins in chemoprevention and treatment of cancer: An update with promising analogues. Eur J Pharmacol 2021; 906:174266. [PMID: 34146588 DOI: 10.1016/j.ejphar.2021.174266] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/12/2021] [Accepted: 06/14/2021] [Indexed: 12/15/2022]
Abstract
Curcumin, a pure compound extracted from the flowering plant, turmeric (Curcuma longa. Zingiberaceae), is a common dietary ingredient found in curry powder. It has been studied extensively for its anti-inflammatory, antioxidant, antimicrobial and anti-tumour activities. Evidence is accumulating demonstrating its potential in chemoprevention and as an anti-tumour agent for the treatment of cancer. Despite demonstrated safety and tolerability, the clinical application of curcumin is frustrated by its poor solubility, metabolic instability and low oral bioavailability. Consequently researchers have tried novel techniques of formulation and delivery as well as synthesis of analogues with enhanced properties to overcome these barriers. This review presents the synthetic analogues of curcumin that have proven their anticancer potential from different studies. It also highlights studies that combined these analogues with approved chemotherapies and delivered them via novel techniques. Currently, there are no reports of clinical studies on any of the synthetic congeners of curcumin and this presents an opportunity for future research. This review presents the synthetic analogues of curcumin and makes a compelling argument for their potential application in the management of cancerous disease.
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Affiliation(s)
- Adeoluwa Adeluola
- Department of Pharmaceutical Sciences and Research, School of Pharmacy, Marshall University, Huntington, WV, 25701, USA.
| | - Abu Hasanat Md Zulfiker
- Department of Pharmaceutical Sciences and Research, School of Pharmacy, Marshall University, Huntington, WV, 25701, USA
| | - Daniel Brazeau
- Department of Pharmacy Practice, Administration and Research, School of Pharmacy, Marshall University, Huntington, WV, 25701, USA
| | - A R M Ruhul Amin
- Department of Pharmaceutical Sciences and Research, School of Pharmacy, Marshall University, Huntington, WV, 25701, USA.
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Song W, Hu P, Guo S, Hu J, Song C, Wang T, Gao Z, Yue T. Oxidative stress and endoplasmic reticulum stress contribute to L. paracasei subsp. paracasei M5L exopolysaccharide-induced apoptosis in HT-29 cells. Food Sci Nutr 2021; 9:1676-1687. [PMID: 33747478 PMCID: PMC7958527 DOI: 10.1002/fsn3.2142] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 01/25/2023] Open
Abstract
Colorectal cancer is the third most malignant cancer occurring around the world. Effective prevention and treatment have been increasingly the focus of global attention. Long-term diet of fermented dairy inhibits proliferation of colon cancer cell, which is considered that not only live lactic acid bacteria but also the secreted exopolysaccharides exert the function. In this scenario, this study aimed to investigate the mechanism of growth inhibition on HT-29 cells induced in vitro by exopolysaccharides isolated from Lactobacillus paracasei subsp. paracasei M5L (M5-EPSs). HT-29 cells which were treated by a set of concentrations of M5-EPSs have been investigated of cell viability, characteristic changes, cell cycle distribution, and redox system. The results demonstrated that M5-EPSs treatments induced HT-29 cell apoptosis and resulted in upregulation of ROS levels and downregulation of antioxidant enzyme activities, leading to an imbalance in the oxidation system in HT-29 cells. In response to M5-EPSs, endogenous ER stress (ERS) markers, including GRP78, ATF4, and CHOP, were transcriptionally altered so that activating the ERS in HT-29 cells. After NAC treatment, the oxidative stress was inhibited, and the expression of GRP78 and CHOP was significantly decreased, indicating that oxidative stress can significantly affect the ERS pathway. Furthermore, it suggested that the occurrence of apoptosis was associated with Bcl-2 gene family. In conclusion, this study demonstrated that M5-EPSs can induce HT-29 cells apoptosis by destroying the redox system through activation of the ERS signaling pathway.
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Affiliation(s)
- Wei Song
- College of Food Science and TechnologyNorthwest UniversityXi'anChina
- Laboratory of Nutritional and Healthy Food‐Individuation Manufacturing EngineeringXi'anChina
- Research Center of Food Safety Risk Assessment and ControlXi'anChina
| | - Panpan Hu
- Department of Life ScienceLuliang UniversityLv LiangChina
| | - Shouli Guo
- Animal Experiment Center of the Second Affiliated HospitalHarbin Medical UniversityHarbinChina
| | - Jinhong Hu
- College of Food Science and TechnologyNorthwest UniversityXi'anChina
- Laboratory of Nutritional and Healthy Food‐Individuation Manufacturing EngineeringXi'anChina
- Research Center of Food Safety Risk Assessment and ControlXi'anChina
| | - Chen Song
- College of Chemical Engineering and ChemistryHarbin Institute of TechnologyHarbinChina
- National Local Joint Laboratory of Extreme Environmental Nutritional Molecule Synthesis Transformation and SeparationHarbinChina
| | - Tianyi Wang
- College of Chemical Engineering and ChemistryHarbin Institute of TechnologyHarbinChina
- National Local Joint Laboratory of Extreme Environmental Nutritional Molecule Synthesis Transformation and SeparationHarbinChina
| | - Zihan Gao
- College of Food Science and TechnologyNorthwest UniversityXi'anChina
- Laboratory of Nutritional and Healthy Food‐Individuation Manufacturing EngineeringXi'anChina
- Research Center of Food Safety Risk Assessment and ControlXi'anChina
| | - Tianli Yue
- College of Food Science and TechnologyNorthwest UniversityXi'anChina
- Laboratory of Nutritional and Healthy Food‐Individuation Manufacturing EngineeringXi'anChina
- Research Center of Food Safety Risk Assessment and ControlXi'anChina
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Jiang F, Zheng Q, Chang L, Li X, Wang X, Gu X. Pro-oncogene Pokemon Promotes Prostate Cancer Progression by Inducing STRN4 Expression. J Cancer 2019; 10:1833-1845. [PMID: 31205540 PMCID: PMC6547993 DOI: 10.7150/jca.29471] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Accepted: 03/04/2019] [Indexed: 11/07/2022] Open
Abstract
Pokemon, also known as leukemia/lymphoma-related factor (LRF) is a pro-oncogenic protein highly expressed in several cancers. There have been few in vitro and animal studies about its malignant biological behavior and function, however, its role especially in prostate cancer has not been completely elucidated. Therefore, in this study, we identified that Pokemon is overexpressed in human prostate cancer tissue samples, and its suppression inhibits proliferation of prostate cancer cells, along with promotion of apoptosis. Furthermore, to explore the mechanism by which Pokemon promotes tumor progression, we observed that it binds to the promoter of STRN4 (striatin 4), a downstream target, and subsequently regulates its expression. In conclusion, our study indicated that Pokemon through stimulation of STRN4 expression promotes prostate tumor progression via a Pokemon /STRN4 axis.
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Affiliation(s)
- Fuquan Jiang
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Qingfan Zheng
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Liping Chang
- The First Affiliated Hospital, Changchun University of Chinese Traditional Medicine, Jilin, China
| | - Xu Li
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
| | - Xinsheng Wang
- Department of Urology, Tianjin First Center Hospital, Tianjin, China
| | - Xinquan Gu
- Department of Urology, China-Japan Union Hospital of Jilin University, Jilin, China
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1,25(OH)2D3 induced apoptosis of human hepatocellular carcinoma cells in vitro and inhibited their growth in a nude mouse xenograft model by regulating histone deacetylase 2. Biochimie 2018; 146:28-34. [DOI: 10.1016/j.biochi.2017.11.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Accepted: 11/15/2017] [Indexed: 01/19/2023]
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Tang L, Liu J, Zhu L, Chen Q, Meng Z, Sun L, Hu J, Ni Z, Wang X. Curcumin Inhibits Growth of Human NCI-H292 Lung Squamous Cell Carcinoma Cells by Increasing FOXA2 Expression. Front Pharmacol 2018; 9:60. [PMID: 29456509 PMCID: PMC5801542 DOI: 10.3389/fphar.2018.00060] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 01/17/2018] [Indexed: 12/11/2022] Open
Abstract
Lung squamous cell carcinoma (LSCC) is a common histological lung cancer subtype, but unlike lung adenocarcinoma, limited therapeutic options are available for treatment. Curcumin, a natural compound, may have anticancer effects in various cancer cells, but how it may be used to treat LSCC has not been well studied. Here, we applied curcumin to a human NCI-H292 LSCC cell line to test anticancer effects and explored underlying potential mechanisms of action. Curcumin treatment inhibited NCI-H292 cell growth and increased FOXA2 expression in a time-dependent manner. FOXA2 expression was decreased in LSCC tissues compared with adjacent normal tissues and knockdown of FOXA2 increased NCI-H292 cells proliferation. Inhibition of cell proliferation by curcumin was attenuated by FOXA2 knockdown. Moreover inhibition of STAT3 pathways by curcumin increased FOXA2 expression in NCI-H292 cells whereas a STAT3 activator (IL-6) significantly inhibited curcumin-induced FOXA2 expression. Also, SOCS1 and SOCS3, negative regulators of STAT3 activity, were upregulated by curcumin treatment. Thus, curcumin inhibited human NCI-H292 cells growth by increasing FOXA2 expression via regulation of STAT3 signaling pathways.
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Affiliation(s)
- Lingling Tang
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jinjin Liu
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Linyun Zhu
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qingge Chen
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ziyu Meng
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Sun
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Junsheng Hu
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhenhua Ni
- Central Laboratory, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiongbiao Wang
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Yuan D, Xu J, Wang J, Pan Y, Fu J, Bai Y, Zhang J, Shao C. Extracellular miR-1246 promotes lung cancer cell proliferation and enhances radioresistance by directly targeting DR5. Oncotarget 2017; 7:32707-22. [PMID: 27129166 PMCID: PMC5078045 DOI: 10.18632/oncotarget.9017] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 04/09/2016] [Indexed: 12/21/2022] Open
Abstract
MiRNAs in the circulation have been demonstrated to be a type of signaling molecule involved in intercellular communication but little is known about their role in regulating radiosensitivity. This study aims to investigate the effects of extracellular miRNAs induced by ionizing radiation (IR) on cell proliferation and radiosensitivity. The miRNAs in the conditioned medium (CM) from irradiated and non-irradiated A549 lung cancer cells were compared using a microarray assay and the profiles of 21 miRNAs up and down-regulated by radiation were confirmed by qRT-PCR. One of these miRNAs, miR-1246, was especially abundant outside the cells and had a much higher level compared with that inside of cells. The expressions of miR-1246 in both A549 and H446 cells increased along with irradiation dose and the time post-irradiation. By labeling exosomes and miR-1246 with different fluorescence dyes, it was found that the extracellular miR-1246 could shuttle from its donor cells to other recipient cells by a non-exosome associated pathway. Moreover, the treatments of cells with miR-1246 mimic or its antisense inhibitor showed that the extracellular miR-1246 could enhance the proliferation and radioresistance of lung cancer cells. A luciferase reporter-gene transfer experiment demonstrated that the death receptor 5 (DR5) was the direct target of miR-1246, and the kinetics of DR5 expression was opposite to that of miR-1246 in the irradiated cells. Our results show that the oncogene-like extracellular miR-1246 could act as a signaling messenger between irradiated and non-irradiated cells, more importantly, it contributes to cell radioresistance by directly suppressing the DR5 gene.
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Affiliation(s)
- Dexiao Yuan
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Jinping Xu
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Juan Wang
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Yan Pan
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Jiamei Fu
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Yang Bai
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Jianghong Zhang
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
| | - Chunlin Shao
- Institute of Radiation Medicine, Fudan University, Shanghai 200032, China
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Ma L, Han M, Keyoumu Z, Wang H, Keyoumu S. Immunotherapy of Dual-Function Vector with Both Immunostimulatory and B-Cell Lymphoma 2 (Bcl-2)-Silencing Effects on Gastric Carcinoma. Med Sci Monit 2017; 23:1980-1991. [PMID: 28439064 PMCID: PMC5412972 DOI: 10.12659/msm.900418] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Tumorigenesis is a kind of pathology marked by infinite proliferation and restrained apoptosis compared with normal cells. The abnormal expression of some proto-oncogenes and apoptosis inhibition are essential for tumor growth, which has been confirmed by molecular biologic and immunologic studies. The hypofunction of the host immune system also drives the development and metastasis of malignant tumors. Bcl-2, which has a critical role in regulating apoptosis, is overexpressed in several cancers. MATERIAL AND METHODS In this study, we constructed a dual-function small hairpin RNA (shRNA) vector containing an Bcl-2-silencing shRNA and a TLR7-stimulating ssRNA and examined it effect on tumor cell growth and proliferation. RESULTS Stimulation with this bi-functional vector in vitro promoted significant apoptosis of MFC cells by regulating the expression of apoptosis-related proteins and induced secretion of type I IFNs. Most importantly, this bi-functional vector more effectively inhibited subcutaneous MFC cell growth than did single shRNA and ssRNA treatment in vivo. Natural killer (NK) and CD4+ T cells were required for effective tumor suppression, and TLR7 was shown to play a helper role in the activation of NK cells and CD4+ T cells, possibly by regulating the expression of receptors or secretion of cytokines. CONCLUSIONS This bi-functional vector that contained ssRNA and shRNA may represent a promising approach for tumor therapy.
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Affiliation(s)
- Lanying Ma
- Department of Digestive System, Xinjiang Medical University Affiliated Tumor Hospital, Urumqi, Xinjiang, China (mainland)
| | - Mei Han
- Department of Digestive System, Xinjiang Medical University Affiliated Tumor Hospital, Urumqi, Xinjiang, China (mainland)
| | - Zumureti Keyoumu
- Department of Preventive Care, Xinjiang Medical University Second Affiliated Hospital, Urumqi, Xinjiang, China (mainland)
| | - Hua Wang
- Basic Medical College of Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
| | - Saifuding Keyoumu
- Department of Digestive System, Xinjiang Medical University Affiliated Tumor Hospital, Urumqi, Xinjiang, China (mainland)
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Zubair H, Azim S, Ahmad A, Khan MA, Patel GK, Singh S, Singh AP. Cancer Chemoprevention by Phytochemicals: Nature's Healing Touch. Molecules 2017; 22:molecules22030395. [PMID: 28273819 PMCID: PMC6155418 DOI: 10.3390/molecules22030395] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 02/27/2017] [Accepted: 02/28/2017] [Indexed: 12/28/2022] Open
Abstract
Phytochemicals are an important part of traditional medicine and have been investigated in detail for possible inclusion in modern medicine as well. These compounds often serve as the backbone for the synthesis of novel therapeutic agents. For many years, phytochemicals have demonstrated encouraging activity against various human cancer models in pre-clinical assays. Here, we discuss select phytochemicals—curcumin, epigallocatechin-3-gallate (EGCG), resveratrol, plumbagin and honokiol—in the context of their reported effects on the processes of inflammation and oxidative stress, which play a key role in tumorigenesis. We also discuss the emerging evidence on modulation of tumor microenvironment by these phytochemicals which can possibly define their cancer-specific action. Finally, we provide recent updates on how low bioavailability, a major concern with phytochemicals, is being circumvented and the general efficacy being improved, by synthesis of novel chemical analogs and nanoformulations.
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Affiliation(s)
- Haseeb Zubair
- Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.
| | - Shafquat Azim
- Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.
| | - Aamir Ahmad
- Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.
| | - Mohammad Aslam Khan
- Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.
| | - Girijesh Kumar Patel
- Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.
| | - Seema Singh
- Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.
- Department of Molecular Biology and Biochemistry, College of Medicine, University of South Alabama, Mobile, AL 36688, USA.
| | - Ajay Pratap Singh
- Department of Oncologic Sciences, Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA.
- Department of Molecular Biology and Biochemistry, College of Medicine, University of South Alabama, Mobile, AL 36688, USA.
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Apoptosis Activation in Human Lung Cancer Cell Lines by a Novel Synthetic Peptide Derived from Conus californicus Venom. Toxins (Basel) 2016; 8:38. [PMID: 26861394 PMCID: PMC4773791 DOI: 10.3390/toxins8020038] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2015] [Revised: 01/26/2016] [Accepted: 01/28/2016] [Indexed: 02/07/2023] Open
Abstract
Lung cancer is one of the most common types of cancer in men and women and a leading cause of death worldwide resulting in more than one million deaths per year. The venom of marine snails Conus contains up to 200 pharmacologically active compounds that target several receptors in the cell membrane. Due to their diversity and specific binding properties, Conus toxins hold great potential as source of new drugs against cancer. We analyzed the cytotoxic effect of a 17-amino acid synthetic peptide (s-cal14.1a) that is based on a native toxin (cal14.1a) isolated from the sea snail Conus californicus. Cytotoxicity studies in four lung cancer cell lines were complemented with measurement of gene expression of apoptosis-related proteins Bcl-2, BAX and the pro-survival proteins NFκB-1 and COX-2, as well as quantification of caspase activity. Our results showed that H1299 and H1437 cell lines treated with s-call4.1a had decreased cell viability, activated caspases, and reduced expression of the pro-survival protein NFκB-1. To our knowledge, this is the first report describing activation of apoptosis in human lung cancer cell lines by s-cal14.1a and we offer insight into the possible mechanism of action.
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Li H, Li X, Bai M, Suo Y, Zhang G, Cao X. Matrine inhibited proliferation and increased apoptosis in human breast cancer MCF-7 cells via upregulation of Bax and downregulation of Bcl-2. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:14793-14799. [PMID: 26823806 PMCID: PMC4713592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 10/24/2015] [Indexed: 06/05/2023]
Abstract
PURPOSE The aim of the present study was to investigate the effects of matrine on proliferation and apoptosis in human breast cancer MCF-7 cells and its relevant molecular mechanisms. METHODS Breast carcinoma cell line MCF-7 was cultured with series concentrations of Matrine in vitro. The proliferation and apoptosis of MCF-7 cells were investigated by 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay, flow cytometry, and Mitochondrial membrane potential (MMP) measurements. The expression levels of Bax and Bcl-2 proteins were detected by Annexin V/propidium iodide coupled staining. The morphological changes of MCF-7 cell were examined. RESULTS The inhibition rates of MCF-7 cells were 6.01%-37.01%, 7.56%-53.92%, and 10.86%-70.23% for 24, 48, and 72 hours after Matrine treatment, respectively. The proliferation of MCF-7 cells was significantly inhibited by Matrine administration, with a time and dose dependent manner. The rates apoptotic cells was between 4.17±0.25% and 19.63±0.17% in 0.25-2.0 mg/ml Matrine groups, which had significant increased compare with the control groups (1.10±0.08%, P<0.05). Meanwhile, increased Bax expression, but decreased Bcl-2 expression was observed in MCF-7 cell line. MMP were significantly decreased by Matrine treatment. CONCLUSIONS Matrine significantly inhibited the growth and induced apoptosis in breast carcinoma MCF-7 cells, which is related to Bax, Bcl-2 signaling and MMP.
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Affiliation(s)
- Haijun Li
- Department of Pathology, Hebei North UniversityChina
| | - Xiujuan Li
- Department of Pathology, Hebei North UniversityChina
| | - Meiling Bai
- Department of Pathology, Hebei North UniversityChina
| | - Yueer Suo
- Department of Gastric and Colorectal Surgery, First Hospital of Jilin UniversityChina
| | - Guohui Zhang
- Department of Pathology, Hebei North UniversityChina
| | - Xueyuan Cao
- Department of Gastric and Colorectal Surgery, First Hospital of Jilin UniversityChina
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Anisuzzaman ASM, Haque A, Rahman MA, Wang D, Fuchs JR, Hurwitz S, Liu Y, Sica G, Khuri FR, Chen ZG, Shin DM, Amin ARMR. Preclinical In Vitro, In Vivo, and Pharmacokinetic Evaluations of FLLL12 for the Prevention and Treatment of Head and Neck Cancers. Cancer Prev Res (Phila) 2015; 9:63-73. [PMID: 26511491 DOI: 10.1158/1940-6207.capr-15-0240] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Accepted: 10/14/2015] [Indexed: 12/28/2022]
Abstract
Despite its high promise for cancer prevention and therapy, the potential utility of curcumin in cancer is compromised by its low bioavailability and weak potency. The purpose of the current study was to assess the in vitro and in vivo efficacy and pharmacokinetic parameters of the potent curcumin analogue FLLL12 in SCCHN and identify the mechanisms of its antitumor effect. IC50 values against a panel of one premalignant and eight malignant head and neck cancer cell lines as well as apoptosis assay results suggested that FLLL12 is 10- to 24-fold more potent than natural curcumin depending on the cell line and induces mitochondria-mediated apoptosis. In vivo efficacy (xenograft) and pharmacokinetic studies also suggested that FLLL12 is significantly more potent and has more favorable pharmacokinetic properties than curcumin. FLLL12 strongly inhibited the expression of p-EGFR, EGFR, p-AKT, AKT, Bcl-2, and Bid and increased the expression of Bim. Overexpression of constitutively active AKT or Bcl-2 or ablation of Bim or Bid significantly inhibited FLLL12-induced apoptosis. Further mechanistic studies revealed that FLLL12 regulated EGFR and AKT at transcriptional levels, whereas Bcl-2 was regulated at the translational level. Finally, FLLL12 strongly inhibited the AKT downstream targets mTOR and FOXO1a and 3a. Taken together, our results strongly suggest that FLLL12 is a potent curcumin analogue with more favorable pharmacokinetic properties that induces apoptosis of head and neck cancer cell lines by inhibition of survival proteins including EGFR, AKT, and Bcl-2 and increasing of the proapoptotic protein Bim.
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Affiliation(s)
- Abu Syed Md Anisuzzaman
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Abedul Haque
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Mohammad Aminur Rahman
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Dongsheng Wang
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - James R Fuchs
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Ohio State University, Columbus, Ohio
| | - Selwyn Hurwitz
- Department of Pediatrics and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Yuan Liu
- Biostatistics & Bioinformatics Shared Resource at Winship Cancer Institute, Department of Biostatistics & Bioinformatics, Rollins School of Public Health, Atlanta, Georgia
| | - Gabriel Sica
- Department of Pathology, Emory University School of Medicine, Atlanta, Georgia
| | - Fadlo R Khuri
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Zhuo Georgia Chen
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - Dong M Shin
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia
| | - A R M Ruhul Amin
- Department of Hematology and Medical Oncology and Winship Cancer Institute of Emory University, Atlanta, Georgia.
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