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Li S, Chen X, Tang J, Zhang D, Jiang Y, Zhang H, Song X, Wang W, Li Y. Genus Helleborus: a comprehensive review of phytochemistry, pharmacology and clinical applications. Nat Prod Res 2024:1-17. [PMID: 38372230 DOI: 10.1080/14786419.2024.2317880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 02/05/2024] [Indexed: 02/20/2024]
Abstract
The genus Helleborus belongs to the Ranunculaceae family, distributed in southeastern Europe and western Asia. In folk medicine, it is commonly used as an anti-inflammatory and analgesic medicine for rheumatoid arthritis and bruises. Through reviewing recent articles, it was found that two hundred and twenty-six compounds have been isolated and identified from the genus Helleborus. These compounds include steroids, flavonoids, phenylpropanoids, lignans, anthraquinones, phenolics and others. Among them, the main chemical constituents are steroids. Pharmacological studies show Helleborus has anti-cancer, immunomodulatory, anti-inflammatory, analgesic, anti-hyperglycaemic, antioxidant and antibacterial properties. This article reviews the botany, phytochemistry, pharmacological effects and clinical applications of the genus Helleborus. Hopefully, it will provide a reference for in-depth research and exploitation of the genus Helleborus.
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Affiliation(s)
- Shixing Li
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
| | - Xiaolin Chen
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
| | - Jiamei Tang
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
| | - Dongdong Zhang
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
- Shaanxi Key Laboratory of Research and Application of "Taibai Qi Yao", Xianyang, PR China
| | - Yi Jiang
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
- Shaanxi Key Laboratory of Research and Application of "Taibai Qi Yao", Xianyang, PR China
| | - Huawei Zhang
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
- Shaanxi Key Laboratory of Research and Application of "Taibai Qi Yao", Xianyang, PR China
| | - Xiaomei Song
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
- Shaanxi Key Laboratory of Research and Application of "Taibai Qi Yao", Xianyang, PR China
| | - Wei Wang
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
- Shaanxi Key Laboratory of Research and Application of "Taibai Qi Yao", Xianyang, PR China
| | - Yuze Li
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, PR China
- Shaanxi Key Laboratory of Research and Application of "Taibai Qi Yao", Xianyang, PR China
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Hsieh M, Lin C, Lo Y, Ho H, Chuang Y, Chen M. Hellebrigenin induces oral cancer cell apoptosis by modulating MAPK signalling and XIAP expression. J Cell Mol Med 2024; 28:e18071. [PMID: 38044583 PMCID: PMC10826427 DOI: 10.1111/jcmm.18071] [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: 04/07/2023] [Revised: 11/12/2023] [Accepted: 11/22/2023] [Indexed: 12/05/2023] Open
Abstract
Oral squamous cell carcinoma (OSCC), which accounts for 90% of all oral cancers, has become a public health crisis worldwide. despite advances in therapeutic interventions, the prognosis remains poor for advanced-stage OSCC. In this study, we investigate the anticancer activity and the mode of action of hellebrigenin in human OSCC. The findings demonstrated that hellebrigenin exerted cytotoxic effects in OSCC cells through cell cycle arrest at the G2/M phase and downregulation of cell cycle-related proteins (cyclins A2, B1 and D3, Cdc2, CDK4 and CDK6). Moreover, hellebrigenin caused activation of PARP and caspase 3, 8 and 9, followed by downregulation of antiapoptotic proteins (Bcl-2 and Bcl-xL) and upregulation of pro-apoptotic proteins (Bax and Bak). The hellebrigenin treatment also increased Fas, DR5, DcR2 and DcR3 expressions in oral cancer cells, indicating the compound causes oral cancer cell apoptosis through both intrinsic and extrinsic pathways. Regarding upstream signalling, hellebrigenin was found to reduce the phosphorylation of ERK, p38, and JNK, indicating that hellebrigenin triggers caspase-mediated apoptosis by downregulating MAPK signalling pathway. Finally, the human apoptosis array findings revealed that hellebrigenin specifically suppressed the expression of XIAP to execute its pro-apoptotic activities. Taken together, the study suggests that hellebrigenin can act as a potent anticancer compound in human OSCC.
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Affiliation(s)
- Ming‐Ju Hsieh
- Oral Cancer Research CenterChanghua Christian HospitalChanghuaTaiwan
- Doctoral Program in Tissue Engineering and Regenerative Medicine, College of MedicineNational Chung Hsing UniversityTaichungTaiwan
- Graduate Institute of Biomedical SciencesChina Medical UniversityTaichungTaiwan
| | - Chia‐Chieh Lin
- Oral Cancer Research CenterChanghua Christian HospitalChanghuaTaiwan
| | - Yu‐Sheng Lo
- Oral Cancer Research CenterChanghua Christian HospitalChanghuaTaiwan
| | - Hsin‐Yu Ho
- Oral Cancer Research CenterChanghua Christian HospitalChanghuaTaiwan
| | - Yi‐Ching Chuang
- Oral Cancer Research CenterChanghua Christian HospitalChanghuaTaiwan
| | - Mu‐Kuan Chen
- Department of Post‐Baccalaureate Medicine, College of MedicineNational Chung Hsing UniversityTaichungTaiwan
- Department of Otorhinolaryngology, Head and Neck SurgeryChanghua Christian HospitalChanghuaTaiwan
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Pilut CN, Manea A, Macasoi I, Dobrescu A, Georgescu D, Buzatu R, Faur A, Dinu S, Chioran D, Pinzaru I, Hancianu M, Dehelean C, Malița D. Comparative Evaluation of the Potential Antitumor of Helleborus purpurascens in Skin and Breast Cancer. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11020194. [PMID: 35050083 PMCID: PMC8779569 DOI: 10.3390/plants11020194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/27/2021] [Accepted: 01/08/2022] [Indexed: 05/02/2023]
Abstract
In the field of oncology, the plant kingdom has an inexhaustible supply of bioactive compounds. Phytochemical compounds isolated from Helleborus species have been found to be useful in various chronic diseases. This has brought Helleborus to the attention of medical researchers. H. purpurascens is a plant characteristic of the Carpathian area, known since ancient times for its beneficial effects. The aim of the study was to evaluate the flavonoids composition of a hydroalcoholic extract of H. purpurascens, as well as to assess its antioxidant activity and antitumor potential at the level of two healthy cell lines and four tumor cell lines. In addition, the expression of the genes involved in the apoptotic process (Bcl-2, Bad, and Bax) were evaluated. The results indicated that the extract has a high concentration of flavonoids, such as epicatechin, quercetin, and kaempferol. The extract has an increased antioxidant activity, very similar to that of the standard, ascorbic acid and cytotoxic effects predominantly in the breast cancer cell line, being free of cytotoxic effects in healthy cell lines. Underlying the cytotoxic effect is the induction of the process of apoptosis, which in the present study was highlighted by decreasing the expression of anti-apoptotic genes (Bcl-2) and increasing the expression of pro-apoptotic genes (Bad and Bax). In conclusion, the hydroalcoholic extract of H. purpurascens can be considered an important source for future medical applications in cancer therapy.
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Affiliation(s)
- Ciprian Nicolae Pilut
- Department of Microbiology, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania;
| | - Aniko Manea
- Department of Neonatology and Childcare, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania;
| | - Ioana Macasoi
- Departament of Toxicology and Drug Industry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania; (I.M.); (I.P.); (C.D.)
- Research Center for Pharmaco-Toxicological Evaluations, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Amadeus Dobrescu
- Department of Surgery II, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Correspondence: (A.D.); (D.G.)
| | - Doina Georgescu
- Department of Medical Semiology I, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Correspondence: (A.D.); (D.G.)
| | - Roxana Buzatu
- Department of Dental Aesthetics, Faculty of Dental Medicine, “Victor Babeş” University of Medicine and Pharmacy, 9 No. Revolutiei Bv., 300041 Timisoara, Romania;
| | - Alin Faur
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania;
| | - Stefania Dinu
- Department of Pedodontics, Faculty of Dental Medicine, “Victor Babes” University of Medicine and Pharmacy, 9 Revolutiei 1989 Ave., 300070 Timisoara, Romania;
| | - Doina Chioran
- Department of Dento-Alveolar Surgery, Faculty of Dental Medicine, “Victor Babes” University of Medicine and Pharmacy, 9 Revolutiei 1989 Ave., 300070 Timisoara, Romania;
| | - Iulia Pinzaru
- Departament of Toxicology and Drug Industry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania; (I.M.); (I.P.); (C.D.)
- Research Center for Pharmaco-Toxicological Evaluations, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Monica Hancianu
- Department of Pharmacognosy, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
| | - Cristina Dehelean
- Departament of Toxicology and Drug Industry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania; (I.M.); (I.P.); (C.D.)
- Research Center for Pharmaco-Toxicological Evaluations, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Daniel Malița
- Department of Radiology and Medical Imaging, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania;
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Sun K, Zhu J, Deng Y, Xu X, Kong F, Sun X, Huan L, Ren C, Sun J, Shi J. Gamabufotalin Inhibits Osteoclastgenesis and Counteracts Estrogen-Deficient Bone Loss in Mice by Suppressing RANKL-Induced NF-κB and ERK/MAPK Pathways. Front Pharmacol 2021; 12:629968. [PMID: 33967763 PMCID: PMC8104077 DOI: 10.3389/fphar.2021.629968] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/04/2021] [Indexed: 11/25/2022] Open
Abstract
Osteolytic bone disease is a condition of imbalanced bone homeostasis, characterized mainly by excessive bone-resorptive activity, which could predispose these populations, such as the old and postmenopausal women, to developing high risk of skeletal fragility and fracture. The nature of bone homeostasis is the coordination between the osteoblasts (OBs) and osteoclasts (OCs). Abnormal activation of osteoclasts (OCs) could compromise the bone homeostasis, constantly followed by a clutch of osteolytic diseases, including postmenopausal osteoporosis, osteoarthritis, and rheumatoid arthritis. Thus, it is imperatively urgent to explore effective medical interventions for patients. The traditional Chinese medicine (TCM) gamabufotalin (CS-6) is a newly identified natural product from Chansu and has been utilized for oncologic therapies owing to its good clinical efficacy with less adverse events. Previous study suggested that CS-6 could be a novel anti-osteoporotic agent. Nevertheless, whether CS-6 suppresses RANK-(receptor activator of nuclear factor-κ B ligand)/TRAF6 (TNF receptor-associated factor 6)-mediated downstream signaling activation in OCs, as well as the effects of CS-6 on OC differentiation in vivo, remains elusive. Therefore, in this present study, we aimed to explore the biological effects of CS-6 on osteoclastogenesis and RANKL-induced activation of related signaling pathways, and further to examine the potential therapeutic application in estrogen-deficient bone loss in the mice model. The results of in vitro experiment showed that CS-6 can inhibit RANKL-induced OC formation and the ability of bone resorption in a dose-dependent manner at both the early and late stages of osteoclastogenesis. The gene expression of OC-related key genes such as tartrate-resistant acid phosphatase (TRAP), CTSK, DC-STAMP, MMP9, and β3 integrin was evidently reduced. In addition, CS-6 could mitigate the systemic estrogen-dependent bone loss and pro-inframammary cytokines in mice in vivo. The molecular mechanism analysis suggested that CS-6 can suppress RANKL/TRAF6-induced early activation of NF-κB and ERK/MAPK signaling pathways, which consequently suppressed the transcription activity of c-Fos and NFATc1. Taken together, this present study provided ample evidence that CS-6 has the promise to become a therapeutic candidate in treating osteolytic conditions mediated by elevated OC formation and bone resorption.
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Affiliation(s)
- Kaiqiang Sun
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Jian Zhu
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Yi Deng
- Department of Pharmacy, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Ximing Xu
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Fanqi Kong
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Xiaofei Sun
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Le Huan
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Changzhen Ren
- Department of Cardiology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Jingchuan Sun
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Jiangang Shi
- Department of Spine Surgery, Changzheng Hospital, Naval Medical University, Shanghai, China
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Ren W, Luo Z, Pan F, Liu J, Sun Q, Luo G, Wang R, Zhao H, Bian B, Xiao X, Pu Q, Yang S, Yu G. Integrated network pharmacology and molecular docking approaches to reveal the synergistic mechanism of multiple components in Venenum Bufonis for ameliorating heart failure. PeerJ 2020; 8:e10107. [PMID: 33194384 PMCID: PMC7605218 DOI: 10.7717/peerj.10107] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 09/15/2020] [Indexed: 01/13/2023] Open
Abstract
Venenum Bufonis (VB), also called Chan Su in China, has been extensively used as a traditional Chinese medicine (TCM) for treating heart failure (HF) since ancient time. However, the active components and the potential anti-HF mechanism of VB remain unclear. In the current study, the major absorbed components and metabolites of VB after oral administration in rats were first collected from literatures. A total of 17 prototypes and 25 metabolites were gathered. Next, a feasible network-based pharmacological approach was developed and employed to explore the therapeutic mechanism of VB on HF based on the collected constituents. In total, 158 main targets were screened out and considered as effective players in ameliorating HF. Then, the VB components-main HF putative targets-main pathways network was established, clarifying the underlying biological process of VB on HF. More importantly, the main hubs were found to be highly enriched in adrenergic signalling in cardio-myocytes. After verified by molecular docking studies, four key targets (ATP1A1, GNAS, MAPK1 and PRKCA) and three potential active leading compounds (bufotalin, cinobufaginol and 19-oxo-bufalin) were identified, which may play critical roles in cardiac muscle contraction. This study demonstrated that the integrated strategy based on network pharmacology and molecular docking was helpful to uncover the synergistic mechanism of multiple constituents in TCM.
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Affiliation(s)
- Wei Ren
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Zhiqiang Luo
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Fulu Pan
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jiali Liu
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Qin Sun
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Gang Luo
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Raoqiong Wang
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Haiyu Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Baolin Bian
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiao Xiao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
| | - Qingrong Pu
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base, Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China
| | - Guohua Yu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
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Yfanti P, Karkabounas A, Batistatou A, Tsapinou A, Leneti E, Manos G, Lekka ME. Study of potent cytotoxic activity of Helleborus cyclophyllus Boiss against a human adenocarcinoma cell line. Cytotechnology 2020; 72:10.1007/s10616-020-00425-4. [PMID: 33034799 PMCID: PMC7695778 DOI: 10.1007/s10616-020-00425-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 09/18/2020] [Indexed: 10/23/2022] Open
Abstract
Helleborus cyclophyllus Boiss is a rhizomatous plant species, with strong allelochemical properties, that has been used since ancient times for its therapeutic properties. In the present study we investigated the ability of an aqueous-soluble fraction of the methanol extract of H. cyclophyllus Boiss leaves, to induce apoptotic cell death on A549 human bronchial epithelial adenocarcinoma cells. A primary human lung fibroblasts' cell line was used as a model of normal-healthy cells for comparison. Cell morphology was examined after appropriate staining, cytotoxic activity of the extract was determined by the MTT assay, the type of cell death was analyzed by flow cytometry, confirmation of apoptosis was evaluated with the analysis of caspase-3, PARP1 by western blotting, while the chemical composition was assessed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). H. cyclophyllus Boiss extract was selectively active on A549 cells inducing significant morphological changes, even at low concentrations. Characteristic morphological alterations included the release of vesicular formations from A549 cell membranes (ectosomes), detachment of cells from their substrate, generation of a large vesicle into the cytoplasm (thanatosome) and the formation of apoptotic bodies. The selective apoptotic action on treated cells was also confirmed by biochemical criteria. Low concentrations, however, did not affect normal cells. The phytochemical analysis of the extract revealed the presence of cardiac glucosides, bufadienolides and phytoecdysteroids. To the best of our knowledge, the above-mentioned sequences of events leading selectively cancer cells to apoptosis, has not been reported before.
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Affiliation(s)
- Paraskevi Yfanti
- Department of Chemistry, University of Ioannina, 45.110 Ioannina, PC Greece
- Department of Agriculture, University of Ioannina, PC 47.100, Arta, Greece
| | | | - Anna Batistatou
- School of Medicine, University of Ioannina, 45.110 Ioannina, PC Greece
| | - Alexia Tsapinou
- Department of Chemistry, University of Ioannina, 45.110 Ioannina, PC Greece
| | - Eleni Leneti
- Department of Agriculture, University of Ioannina, PC 47.100, Arta, Greece
| | - Georgios Manos
- Department of Agriculture, University of Ioannina, PC 47.100, Arta, Greece
| | - Marilena E. Lekka
- Department of Chemistry, University of Ioannina, 45.110 Ioannina, PC Greece
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Brillatz T, Jacmin M, Vougogiannopoulou K, Petrakis EA, Kalpoutzakis E, Houriet J, Pellissier L, Rutz A, Marcourt L, Queiroz EF, Crawford AD, Skaltsounis AL, Wolfender JL. Antiseizure potential of the ancient Greek medicinal plant Helleborus odorus subsp. cyclophyllus and identification of its main active principles. JOURNAL OF ETHNOPHARMACOLOGY 2020; 259:112954. [PMID: 32445663 DOI: 10.1016/j.jep.2020.112954] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/22/2020] [Accepted: 05/06/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ethnopharmacological data and ancient texts support the use of black hellebore (Helleborus odorus subsp. cyclophyllus, Ranunculaceae) for the management and treatment of epilepsy in ancient Greece. AIM OF THE STUDY A pharmacological investigation of the root methanolic extract (RME) was conducted using the zebrafish epilepsy model to isolate and identify the compounds responsible for a potential antiseizure activity and to provide evidence of its historical use. In addition, a comprehensive metabolite profiling of this studied species was proposed. MATERIALS AND METHODS The roots were extracted by solvents of increasing polarity and root decoction (RDE) was also prepared. The extracts were evaluated for antiseizure activity using a larval zebrafish epilepsy model with pentylenetetrazole (PTZ)-induced seizures. The RME exhibited the highest antiseizure activity and was therefore selected for bioactivity-guided fractionation. Isolated compounds were fully characterized by NMR and high-resolution tandem mass spectrometry (HRMS/MS). The UHPLC-HRMS/MS analyses of the RME and RDE were used for dereplication and metabolite profiling. RESULTS The RME showed 80% inhibition of PTZ-induced locomotor activity (300 μg/ml). This extract was fractionated and resulted in the isolation of a new glucopyranosyl-deoxyribonolactone (1) and a new furostanol saponin derivative (2), as well as of 20-hydroxyecdysone (3), hellebrin (4), a spirostanol glycoside derivative (5) and deglucohellebrin (6). The antiseizure activity of RME was found to be mainly due to the new furostanol saponin (2) and hellebrin (4), which reduced 45% and 60% of PTZ-induced seizures (135 μM, respectively). Besides, the aglycone of hellebrin, hellebrigenin (S34), was also active (45% at 7 μM). To further characterize the chemical composition of both RME and RDE, 30 compounds (A7-33, A35-37) were annotated based on UHPLC-HRMS/MS metabolite profiling. This revealed the presence of additional bufadienolides, furostanols, and evidenced alkaloids. CONCLUSIONS This study is the first to identify the molecular basis of the ethnopharmacological use of black hellebore for the treatment of epilepsy. This was achieved using a microscale zebrafish epilepsy model to rapidly quantify in vivo antiseizure activity. The UHPLC-HRMS/MS profiling revealed the chemical diversity of the extracts and the presence of numerous bufadienolides, furostanols and ecdysteroids, also present in the decoction.
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Affiliation(s)
- Théo Brillatz
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, CH-1211, Geneva 4, Switzerland
| | - Maxime Jacmin
- Luxembourg Centre for Systems Biomedicine, Université du Luxembourg 6, Avenue du Swing, 4367, Belvaux, Luxembourg; Theracule S.á r.l., 9, Avenue des Hauts-Fourneaux, 4362, Belval, Luxembourg
| | - Konstantina Vougogiannopoulou
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Eleftherios A Petrakis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Eleftherios Kalpoutzakis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
| | - Joëlle Houriet
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, CH-1211, Geneva 4, Switzerland
| | - Léonie Pellissier
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, CH-1211, Geneva 4, Switzerland
| | - Adriano Rutz
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, CH-1211, Geneva 4, Switzerland
| | - Laurence Marcourt
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, CH-1211, Geneva 4, Switzerland
| | - Emerson Ferreira Queiroz
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, CH-1211, Geneva 4, Switzerland
| | - Alexander D Crawford
- Luxembourg Centre for Systems Biomedicine, Université du Luxembourg 6, Avenue du Swing, 4367, Belvaux, Luxembourg; Theracule S.á r.l., 9, Avenue des Hauts-Fourneaux, 4362, Belval, Luxembourg; Department of Preclinical Sciences & Pathology, Norwegian University of Life Sciences, Ullevålsveien 72, 0454, Oslo, Norway
| | - Alexios-Leandros Skaltsounis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece.
| | - Jean-Luc Wolfender
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, CH-1211, Geneva 4, Switzerland.
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Deng LJ, Li Y, Qi M, Liu JS, Wang S, Hu LJ, Lei YH, Jiang RW, Chen WM, Qi Q, Tian HY, Han WL, Wu BJ, Chen JX, Ye WC, Zhang DM. Molecular mechanisms of bufadienolides and their novel strategies for cancer treatment. Eur J Pharmacol 2020; 887:173379. [PMID: 32758567 DOI: 10.1016/j.ejphar.2020.173379] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 07/05/2020] [Accepted: 07/13/2020] [Indexed: 12/16/2022]
Abstract
Bufadienolides are cardioactive C24 steroids with an α-pyrone ring at position C17. In the last ten years, accumulating studies have revealed the anticancer activities of bufadienolides and their underlying mechanisms, such as induction of autophagy and apoptosis, cell cycle disruption, inhibition of angiogenesis, epithelial-mesenchymal transition (EMT) and stemness, and multidrug resistance reversal. As Na+/K+-ATPase inhibitors, bufadienolides have inevitable cardiotoxicity. Short half-lives, poor stability, low plasma concentration and oral bioavailability in vivo are obstacles for their applications as drugs. To improve the drug potency of bufadienolides and reduce their side effects, prodrug strategies and drug delivery systems such as liposomes and nanoparticles have been applied. Therefore, systematic and recapitulated information about the antitumor activity of bufadienolides, with special emphasis on the molecular or cellular mechanisms, prodrug strategies and drug delivery systems, is of high interest. Here, we systematically review the anticancer effects of bufadienolides and the molecular or cellular mechanisms of action. Research advancements regarding bufadienolide prodrugs and their tumor-targeting delivery strategies are critically summarized. This work highlights recent scientific advances regarding bufadienolides as effective anticancer agents from 2011 to 2019, which will help researchers to understand the molecular pathways involving bufadienolides, resulting in a selective and safe new lead compound or therapeutic strategy with improved therapeutic applications of bufadienolides for cancer therapy.
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Affiliation(s)
- Li-Juan Deng
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China; School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, China
| | - Yong Li
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China
| | - Ming Qi
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China
| | - Jun-Shan Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Sheng Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Li-Jun Hu
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China
| | - Yu-He Lei
- Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen, 518034, China
| | - Ren-Wang Jiang
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China
| | - Wei-Min Chen
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Qi Qi
- Clinical Translational Center for Targeted Drug, Department of Pharmacology, School of Medicine, Jinan University, Guangzhou, 510632, PR China
| | - Hai-Yan Tian
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China
| | - Wei-Li Han
- School of Public Health, Southern Medical University, Guangzhou, 510515, China
| | - Bao-Jian Wu
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Jia-Xu Chen
- School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, China
| | - Wen-Cai Ye
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China.
| | - Dong-Mei Zhang
- College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, Jinan University, Guangzhou, 510632, China.
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9
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Genetic Diversity and Range Dynamics of Helleborus odorus subsp. cyclophyllus under Different Climate Change Scenarios. FORESTS 2020. [DOI: 10.3390/f11060620] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Research Highlights: The effects of climate change on habitat loss, range shift and/or genetic impoverishment of mid-elevation plants has received less attention compared to alpine species. Moreover, genetic diversity patterns of mountain forest herbaceous species have scarcely been explored in the Balkans. In this context, our study is the first that aims to examine Helleborus odorus subsp. cyclophyllus, a medicinal plant endemic to the southern part of the Balkan Peninsula. Background and Objectives: We compare its genetic diversity and structure along the continuous mountain range of western Greece with the topographically less structured mountains of eastern Greece, and predict its present and future habitat suitability, using several environmental variables. Materials and Methods: Inter Simple Sequence Repeat (ISSR) markers were used to genotype 80 individuals from 8 populations, covering almost the species’ entire distribution range in Greece. We investigated the factors shaping its genetic composition and driving its current and future distribution. Results: High gene diversity (0.2239–0.3319), moderate population differentiation (0.0317–0.3316) and increased gene flow (Nm = 1.3098) was detected. According to any GCM/RCP/climate database combination, Helleborus odorus subsp. cyclophyllus is projected to lose a significant portion of its current distribution by 2070 and follow a trend towards genetic homogenization. Conclusions: Populations exhibit in terms of genetic structure a west–east genetic split, which becomes more evident southwards. This is mainly due to geographic/topographic factors and their interplay with Quaternary climatic oscillations, and to environmental constraints, which may have a negative impact on the species’ future distribution and genetic composition. Pindos mountain range seems to buffer climate change effects and will probably continue to host several populations. On the other hand, peripheral populations have lower genetic diversity compared to central populations, but still hold significant evolutionary potential due to the private alleles they maintain.
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Wei X, He J, Gao B, Han L, Mao Y, Zhao H, Si N, Wang H, Yang J, Bian B. Hellebrigenin anti-pancreatic cancer effects based on apoptosis and autophage. PeerJ 2020; 8:e9011. [PMID: 32426183 PMCID: PMC7213012 DOI: 10.7717/peerj.9011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 03/27/2020] [Indexed: 12/16/2022] Open
Abstract
Hellebrigenin is a natural product found in the toad skin secretions and plants of Urginea, including Hellebores and Kalanchoe genera. It has been shown to be active against Leishmania chagasi promastigotes and Trypanosoma cruzi trypomastigotes and also reported to play an anti-tumor effect on several cancer cell lines in vitro, including pancreatic cancer. This study is aimed to investigate the effects of Hellebrigenin on pancreatic carcinoma cells, SW1990 and BxPC-3 in vitro and its molecular mechanism involved in antitumor activities. Our results showed that Hellebrigenin effectively inhibited the proliferation of SW1990 and BxPC-3 cells in dose- and time-dependent manner. Flow cytometry results showed that Hellebrigenin induced the G0/G1 arrest in both of SW1990 and BxPC-3 cells and promoted cell early apoptosis and autophagy according to morphological observation. Immunofluorescence staining results further confirmed that cell apoptosis and autophagy also increased upon the Hellebrigenin treatment. Moreover, higher dose of Hellebrigenin further increased the cell apoptosis rate while decrease the mitochondrial membrane potential 24 h after treatment. The autophagy rate increased 48 h after treatment with significant difference (P < 0.05). Western blot analysis showed that the expression of caspase 3, 7, cleaved caspase 7, Atg 12, LC3 proteins were increased in SW1990 cell after treatment with Hellebrigenin. In addition, increasing expression of caspase 3, 7, 9, PARP, cleaved caspase 3, 7, 9, PARP, the sub basic protein of the PI3K family, Beclin-1, LC 3, Atg 3, 5, 12, 16 L were also observed after BxPC-3 cells treated with Hellebrigenin. In summary, this study reported for the first time that Hellebrigenin effectively induced autophagy and apoptosis especially the early apoptosis in SW1990 and BxPC-3 cells.
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Affiliation(s)
- Xiaolu Wei
- Institute of Chinese Materia Medica, China Academy of Chinese Medicine Sciences, Beijing, China
| | - Jing He
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, The Key Unit of Exploring Effective Substances of Classical and Famous Prescription of SATCM, Beijing, China
| | - Bo Gao
- China Resources Sanjiu Medical and Pharmaceutical Co. Ltd., Shenzhen, China
| | - Lingyu Han
- Institute of Chinese Materia Medica, China Academy of Chinese Medicine Sciences, Beijing, China
| | - Yingqiu Mao
- Beijing University of Chinese Medicine, Beijing, China
| | - Haiyu Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medicine Sciences, Beijing, China
| | - Nan Si
- Institute of Chinese Materia Medica, China Academy of Chinese Medicine Sciences, Beijing, China
| | - Hongjie Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medicine Sciences, Beijing, China
| | - Jian Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medicine Sciences, Beijing, China
| | - Baolin Bian
- Institute of Chinese Materia Medica, China Academy of Chinese Medicine Sciences, Beijing, China
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11
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Nyambe MN, Beukes DR, Van De Venter M, Swanepoel B, Hlangothi BG. Isolation and characterisation of altissimin: a novel cytotoxic flavonoid C-apioglucoside from Drimia altissima ( Asparagaceae). Nat Prod Res 2019; 35:717-725. [PMID: 30964337 DOI: 10.1080/14786419.2019.1596097] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Flavonoids are a class of biologically active compounds with various proven nutraceutical benefits. In flavonoid C-glycosides, the aglycones are attached to sugar residues via cleavage-resistant C-C bonds which alter typical flavonoid pharmacokinetic properties. In these compounds, the combination of biological activities from the flavonoid moieties and sugar residues create unique and more diverse biological functions than those of O-glycosylated and unsubstituted flavonoids. Through a series of reverse phase chromatography techniques and various spectroscopic methods, the phytochemical investigation of Drimia altissima (L.F.) Ker Gawl., a specie from the Asparagaceae family, led to the isolation and chemical characterisation of a novel C-glucosylflavonoid, altissimin, with a unique apioglucoside arrangement to the apigenin aglycone. Altissimin was found to possess strong in vitro anti-proliferative activity against HeLa cervical cancer cells.
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Affiliation(s)
- Mutenta N Nyambe
- Department of Biochemistry and Microbiology, Nelson Mandela University, Port Elizabeth, South Africa
| | - Denzil R Beukes
- School of Pharmacy, University of the Western Cape, Bellville, South Africa
| | - Maryna Van De Venter
- Department of Biochemistry and Microbiology, Nelson Mandela University, Port Elizabeth, South Africa
| | - Bresler Swanepoel
- Department of Biochemistry and Microbiology, Nelson Mandela University, Port Elizabeth, South Africa
| | - Buyiswa G Hlangothi
- Department of Chemistry, Nelson Mandela University, Port Elizabeth, South Africa
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12
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Lan YL, Zou YJ, Lou JC, Xing JS, Wang X, Zou S, Ma BB, Ding Y, Zhang B. The sodium pump α1 subunit regulates bufalin sensitivity of human glioblastoma cells through the p53 signaling pathway. Cell Biol Toxicol 2019; 35:521-539. [DOI: 10.1007/s10565-019-09462-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 01/18/2019] [Indexed: 12/14/2022]
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13
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Hou W, Huang ZX, Xu HG, Lin J, Zhang DM, Peng QL, Lin H, Chang YQ, Wang LH, Yao Z, Sun PH, Chen WM. Hybrids of arenobufagin and benzoisoselenazol reducing the cardiotoxicity of arenobufagin. Bioorg Med Chem Lett 2018; 28:3391-3394. [DOI: 10.1016/j.bmcl.2018.08.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/26/2018] [Accepted: 08/27/2018] [Indexed: 01/17/2023]
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14
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Kolodziejczyk-Czepas J, Pasiński B, Ponczek MB, Moniuszko-Szajwaj B, Kowalczyk M, Pecio Ł, Nowak P, Stochmal A. Bufadienolides from Kalanchoe daigremontiana modulate the enzymatic activity of plasmin - In vitro and in silico analyses. Int J Biol Macromol 2018; 120:1591-1600. [PMID: 30261260 DOI: 10.1016/j.ijbiomac.2018.09.143] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 09/07/2018] [Accepted: 09/23/2018] [Indexed: 01/23/2023]
Abstract
Plasmin (EC 3.4.21.7) is a key enzyme of the fibrinolytic system, responsible for the degradation of fibrin clot and maintaining blood fluidity. Hence, alterations of the fibrinolytic capacity of blood plasma may contribute to thrombotic or bleeding complications. The aim of this study was to determine effects of a bufadienolide-rich fraction, isolated from roots of Kalanchoe daigremontiana (0.05-50 μg/ml) on enzymatic properties of plasmin. Hydrolysis of a synthetic substrate S-2251 (H-D-Valyl-l-leucyl-l-lysine-p-nitroaniline dihydrochloride) by plasmin revealed that the bufadienolide-rich fraction had a diverse effect on this enzyme, dependently on the concentration range. While the lower concentrations of the examined fraction (0.05-2.5 μg/ml) significantly enhanced the amidolytic activity of plasmin, at 25-50 μg/ml concentrations, the enzyme was evidently inhibited (by about 60%). The Lineweaver-Burk plot indicated on an uncompetitive inhibition of plasmin. Inhibitory effects (up to 80%) were also found in the streptokinase-induced plasminogen activation to plasmin. Docking results suggest that only some of compounds (mostly bersaldegenin 1-acetate (10), bryotoxin (13) and hovetrichoside C (17)) were bound to plasminogen/plasmin, depending on the presence or absence of the substrate in the active site. The obtained findings suggest allosteric regulation of plasminogen activation and plasmin activity by components of the examined fraction.
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Affiliation(s)
- Joanna Kolodziejczyk-Czepas
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
| | - Bartłomiej Pasiński
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Michal B Ponczek
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Barbara Moniuszko-Szajwaj
- Department of Biochemistry, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Pulawy, Poland
| | - Mariusz Kowalczyk
- Department of Biochemistry, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Pulawy, Poland
| | - Łukasz Pecio
- Department of Biochemistry, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Pulawy, Poland
| | - Pawel Nowak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Anna Stochmal
- Department of Biochemistry, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Pulawy, Poland
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15
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Lan YL, Yu ZL, Lou JC, Ma XC, Zhang B. Update on the effects of the sodium pump α1 subunit on human glioblastoma: from the laboratory to the clinic. Expert Opin Investig Drugs 2018; 27:753-763. [PMID: 30130132 DOI: 10.1080/13543784.2018.1512582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
INTRODUCTION Glioblastoma is a debilitating disease that is associated with poor prognosis and a very limited response to therapies; thus, molecularly targeted therapeutics and personalized therapy are urgently needed. The Na+/K+-ATPase sodium pump is a transmembrane protein complex that has recently been recognized as an important transducer and integrator of various signals. The sodium pump α1 subunit, which is highly expressed in most glioblastomas compared with that in normal brain tissues, is an emerging cancer target that merits further investigation. AREAS COVERED The purpose of this narrative review is to explore the important roles of the sodium pump α1 subunit in glioblastoma and analyze its potential therapeutic applications. EXPERT OPINION Expression of the sodium pump α1 subunit in glioblastoma tissues is generally higher than that in normal tissues. Sodium pump α1 subunit-mediated pivotal antiglioblastoma signaling pathways have been reviewed, and their impact on the sensitivity of glioblastoma cells to anticancer drugs has recently been clarified. In addition, various pharmacologically optimized sodium pump inhibitors have recently reached early clinical trials, and explorations of sodium pump α1 subunit inhibitors may hold promise for the development of stratification strategies in which patients are treated based on their isoform expression status.
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Affiliation(s)
- Yu-Long Lan
- a Department of Neurosurgery , The Second Affiliated Hospital of Dalian Medical University , Dalian , China.,b Department of Pharmacy , Dalian Medical University , Dalian , China.,c Department of Physiology , Dalian Medical University , Dalian , China
| | - Zhen-Long Yu
- b Department of Pharmacy , Dalian Medical University , Dalian , China
| | - Jia-Cheng Lou
- a Department of Neurosurgery , The Second Affiliated Hospital of Dalian Medical University , Dalian , China
| | - Xiao-Chi Ma
- b Department of Pharmacy , Dalian Medical University , Dalian , China
| | - Bo Zhang
- a Department of Neurosurgery , The Second Affiliated Hospital of Dalian Medical University , Dalian , China
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16
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Quantitative proteomics reveals molecular mechanism of gamabufotalin and its potential inhibition on Hsp90 in lung cancer. Oncotarget 2018; 7:76551-76564. [PMID: 27384878 PMCID: PMC5363529 DOI: 10.18632/oncotarget.10388] [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: 03/10/2016] [Accepted: 05/05/2016] [Indexed: 12/24/2022] Open
Abstract
Gamabufotalin (CS-6) is a major bufadienolide of Chansu, which shows desirable metabolic stability and less adverse effect in cancer therapy. CS-6 treatment inhibited the proliferation of NSCLC in a nanomolar range. And CS-6 could induce G2/M cell cycle arrest and apoptosis in A549 cells. However, its molecular mechanism in antitumor activity remains poorly understood. We employed a quantitative proteomics approach to identify the potential cellular targets of CS-6, and found 38 possible target-related proteins. Among them, 31 proteins were closely related in the protein-protein interaction network. One of the regulatory nodes in key pathways was occupied by Hsp90. Molecular docking revealed that CS-6 interacted with the ATP-binding sites of Hsp90. In addition, CS-6 inhibited the chaperone function of Hsp90 and reduced expression of Hsp90-dependent client proteins. Moreover, CS-6 markedly down-regulated the protein level of Hsp90 in tumor tissues of the xenograft mice. Taken together, our results suggest that CS-6 might be a novel inhibitor of Hsp90, and the possible network associated with CS-6 target-related proteins was constructed, which provided experimental evidence for the preclinical value of using CS-6 as an effective antitumor agent in treatment of NSCLC.
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Zhang HY, Xu WQ, Zheng YY, Omari-Siaw E, Zhu Y, Cao X, Tong SS, Yu JN, Xu XM. Octreotide-periplocymarin conjugate prodrug for improving targetability and anti-tumor efficiency: synthesis, in vitro and in vivo evaluation. Oncotarget 2018; 7:86326-86338. [PMID: 27861145 PMCID: PMC5349917 DOI: 10.18632/oncotarget.13389] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 11/09/2016] [Indexed: 01/01/2023] Open
Abstract
Cardiac glycosides could increase intracellular Ca2+ ion by inhibiting the Na+/K+ATPase to induce apoptosis in many tumor cells. However, narrow therapeutic index, poor tumor selectivity and severe cardiovascular toxicity hinder their applications in cancer treatment. To improve the safety profile and tumor targetablility of cardiac glycosides, we designed octreotide conjugated periplocymarin, a cardiac glycoside isolated from Cortex periplocae. The conjugate showed higher cytotoxicity on MCF-7 cells and HepG2 tumor cells (SSTRs overexpression) but much less toxicity in L-02 normal cells. Tissue distribution studies of the conjugate using H22 tumor model in mice showed higher accumulation in tumor and lower distribution in heart and liver than periplocymarin. Furthermore, in vivo anticancer effects of the conjugate on mice bearing H22 cancer xenografts confirmed enhanced anti-tumor efficacy and decreased systemic toxicity. Altogether, octreotide-conjugated periplocymarin demonstrated tumor selectivity and may be useful as a targeting agent to improve the safety profile of cardiac glycosides for cancer therapy.
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Affiliation(s)
- Hui-Yun Zhang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Wen-Qian Xu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Yuan-Yuan Zheng
- School of Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Emmanuel Omari-Siaw
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Yuan Zhu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Xia Cao
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Shan-Shan Tong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Jiang-Nan Yu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China.,School of Pharmacy, China Pharmaceutical University, Nanjing, People's Republic of China
| | - Xi-Ming Xu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
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18
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Kolodziejczyk-Czepas J, Stochmal A. Bufadienolides of Kalanchoe species: an overview of chemical structure, biological activity and prospects for pharmacological use. PHYTOCHEMISTRY REVIEWS : PROCEEDINGS OF THE PHYTOCHEMICAL SOCIETY OF EUROPE 2017; 16:1155-1171. [PMID: 29200987 PMCID: PMC5696496 DOI: 10.1007/s11101-017-9525-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Accepted: 07/26/2017] [Indexed: 05/23/2023]
Abstract
Toad venom is regarded as the main source of bufadienolides; however, synthesis of these substances takes also place in a variety of other animal and plant organisms, including ethnomedicinal plants of the Kalanchoe genus. Chemically, bufadienolides are a group of polyhydroxy C-24 steroids and their glycosides, containing a six-membered lactone (α-pyrone) ring at the C-17β position. From the pharmacological point of view, bufadienolides might be a promising group of steroid hormones with cardioactive properties and anticancer activity. Most of the literature concerns bufadienolides of animal origin; however, the medicinal use of these compounds remains limited by their narrow therapeutic index and the risk of development of cardiotoxic effects. On the other hand, plants such as Kalanchoe are also a source of bufadienolides. Kalanchoe pinnata (life plant, air plant, cathedral bells), Kalanchoe daigremontiana (mother of thousands) and other Kalanchoe species are valuable herbs in traditional medicine of Asia and Africa. The present review focuses on the available data on chemical structures of 31 compounds, biological properties and prospects for therapeutic use of bufadienolides from Kalanchoe species. Furthermore, it presents some new investigational trends in research on curative uses of these substances.
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Affiliation(s)
- Joanna Kolodziejczyk-Czepas
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Anna Stochmal
- Department of Biochemistry, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Pulawy, Poland
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Na/K Pump and Beyond: Na/K-ATPase as a Modulator of Apoptosis and Autophagy. Molecules 2017; 22:molecules22040578. [PMID: 28430151 PMCID: PMC6154632 DOI: 10.3390/molecules22040578] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 03/29/2017] [Accepted: 03/29/2017] [Indexed: 01/22/2023] Open
Abstract
Lung cancer is a leading cause of global cancer deaths. Na/K-ATPase has been studied as a target for cancer treatment. Cardiotonic steroids (CS) trigger intracellular signalling upon binding to Na/K-ATPase. Normal lung and tumour cells frequently express different pump isoforms. Thus, Na/K-ATPase is a powerful target for lung cancer treatment. Drugs targeting Na/K-ATPase may induce apoptosis and autophagy in transformed cells. We argue that Na/K-ATPase has a role as a potential target in chemotherapy in lung cancer treatment. We discuss the effects of Na/K-ATPase ligands and molecular pathways inducing deleterious effects on lung cancer cells, especially those leading to apoptosis and autophagy.
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Olivieri MF, Marzari F, Kesel AJ, Bonalume L, Saettini F. Pharmacology and psychiatry at the origins of Greek medicine: The myth of Melampus and the madness of the Proetides. JOURNAL OF THE HISTORY OF THE NEUROSCIENCES 2017; 26:193-215. [PMID: 27625080 DOI: 10.1080/0964704x.2016.1211901] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Melampus is a seer-healer of Greek myth attributed with having healed the young princesses of Argos of madness. Analysis of this legend and its sources sheds light on the early stages of the "medicalizing" shift in the history of ancient Greek medicine. Retrospective psychological diagnosis suggests that the descriptions of the youths' madness rose from actual observation of behavioral and mental disorders. Melampus is credited with having healed them by administering hellebore. Pharmacological analysis of botanical specimens proves that Helleborus niger features actual neurological properties effective in the treatment of mental disorders. The discussion aims at examining the rational aspects of the treatment of mental conditions in Greco-Roman antiquity.
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Affiliation(s)
- Matteo F Olivieri
- a Department of Historical Studies , University of Milan , Milan , Italy
| | - Francesca Marzari
- b Centro Antropologia e Mondo Antico , University of Siena , Siena , Italy
| | | | - Laura Bonalume
- d Department of Psychology , University of Milano-Bicocca , Milan , Italy
| | - Francesco Saettini
- e San Gerardo Hospital, Department of Pediatrics , University of Milano-Bicocca , Milan , Italy
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21
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Varbanov HP, Kuttler F, Banfi D, Turcatti G, Dyson PJ. Repositioning approved drugs for the treatment of problematic cancers using a screening approach. PLoS One 2017; 12:e0171052. [PMID: 28166232 PMCID: PMC5293254 DOI: 10.1371/journal.pone.0171052] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 01/13/2017] [Indexed: 12/31/2022] Open
Abstract
Advances in treatment strategies together with an earlier diagnosis have considerably increased the average survival of cancer patients over the last four decades. Nevertheless, despite the growing number of new antineoplastic agents introduced each year, there is still no adequate therapy for problematic malignancies such as pancreatic, lung and stomach cancers. Consequently, it is important to ensure that existing drugs used to treat other types of cancers, and potentially other diseases, are not overlooked when searching for new chemotherapy regimens for these problematic cancer types. We describe a screening approach that identifies chemotherapeutics for the treatment of lung and pancreatic cancers, based on drugs already approved for other applications. Initially, the 1280 chemically and pharmacologically diverse compounds from the Prestwick Chemical Library® (PCL) were screened against A549 (lung cancer) and PANC-1 (pancreatic carcinoma) cells using the PrestoBlue fluorescent-based cell viability assay. More than 100 compounds from the PCL were identified as hits in one or both cell lines (80 of them, being drugs used to treat diseases other than cancer). Selected PCL hits were further evaluated in a dose-response manner. Promising candidates for repositioning emanating from this study include antiparasitics, cardiac glycosides, as well as the anticancer drugs vorinostat and topotecan.
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Affiliation(s)
- Hristo P. Varbanov
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- * E-mail: (HPV); (PJD)
| | - Fabien Kuttler
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Damiano Banfi
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Gerardo Turcatti
- Biomolecular Screening Facility, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Paul J. Dyson
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- * E-mail: (HPV); (PJD)
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22
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Arenobufagin intercalates with DNA leading to G2 cell cycle arrest via ATM/ATR pathway. Oncotarget 2016; 6:34258-75. [PMID: 26485758 PMCID: PMC4741450 DOI: 10.18632/oncotarget.5545] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 10/02/2015] [Indexed: 11/25/2022] Open
Abstract
Arenobufagin, a representative bufadienolide, is the major active component in the traditional Chinese medicine Chan'su. It possesses significant antineoplastic activity in vitro. Although bufadienolide has been found to disrupt the cell cycle, the underlying mechanisms of this disruption are not defined. Here, we reported that arenobufagin blocked the transition from G2 to M phase of cell cycle through inhibiting the activation of CDK1-Cyclin B1 complex; The tumor suppressor p53 contributed to sustaining arrest at the G2 phase of the cell cycle in hepatocellular carcinoma (HCC) cells. Moreover, arenobufagin caused double-strand DNA breaks (DSBs) and triggered the DNA damage response (DDR), partly via the ATM/ATR-Chk1/Chk2-Cdc25C signaling pathway. Importantly, we used a synthetic biotinylated arenobufagin-conjugated chemical probe in live cells to show that arenobufagin accumulated mainly in the nucleus. The microscopic thermodynamic parameters measured using isothermal titration calorimetry (ITC) also demonstrated that arenobufagin directly bound to DNA in vitro. The hypochromicity in the UV-visible absorption spectrum, the significant changes in the circular dichroism (CD) spectrum of DNA, and the distinct quenching in the fluorescence intensity of the ethidium bromide (EB)-DNA system before and after arenobufagin treatment indicated that arenobufagin bound to DNA in vitro by intercalation. Molecular modeling suggested arenobufagin intercalated with DNA via hydrogen bonds between arenobufagin and GT base pairs. Collectively, these data provide novel insights into arenobufagin-induced cell cycle disruption that are valuable for the further discussion and investigation of the use of arenobufagin in clinical anticancer chemotherapy.
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23
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Yuan B, He J, Kisoh K, Hayashi H, Tanaka S, Si N, Zhao HY, Hirano T, Bian B, Takagi N. Effects of active bufadienolide compounds on human cancer cells and CD4+CD25+Foxp3+ regulatory T cells in mitogen-activated human peripheral blood mononuclear cells. Oncol Rep 2016; 36:1377-84. [PMID: 27431260 DOI: 10.3892/or.2016.4946] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 03/30/2016] [Indexed: 11/06/2022] Open
Abstract
The growth inhibitory effects of bufadienolide compounds were investigated in two intractable cancer cells, a human glioblastoma cell line U-87 and a pancreatic cancer cell line SW1990. Among four bufadienolide compounds, a dose-dependent cytotoxicity was observed in these cancer cells after treatment with gamabufotalin and arenobufagin. The IC50 values of the two compounds were 3-5 times higher in normal peripheral blood mononuclear cells (PBMCs) than these values for both cancer cell lines. However, similar phenomena were not observed for two other bufadienolide compounds, telocinobufagin and bufalin. These results thus suggest that gamabufotalin and arenobufagin possess selective cytotoxic activity against tumor cells rather than normal cells. Moreover, a clear dose-dependent lactate dehydrogenase (LDH) release, a well-known hallmark of necrosis, was observed in both cancer cells treated with gamabufotalin, suggesting that gamabufotalin-mediated cell death is predominantly associated with a necrosis-like phenotype. Of most importance, treatment with as little as 8 ng/ml of gamabufotalin, even an almost non-toxic concentration to PBMCs, efficiently downregulated the percentages of CD4+CD25+Foxp3+ regulator T (Treg) cells in mitogen-activated PBMCs. Given that Treg cells play a critical role in tumor immunotolerance by suppressing antitumor immunity, these results suggest that gamabufotalin may serve as a promising candidate, as an adjuvant therapeutic agent by manipulating Treg cells to enhance the efficacy of conventional anticancer drugs and lessen their side-effects. These findings provide insights into the clinical application of gamabufotalin for cancer patients with glioblastoma/pancreatic cancer based on its cytocidal effect against tumor cells as well as its depletion of Treg cells.
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Affiliation(s)
- Bo Yuan
- Department of Applied Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Jing He
- Department of Applied Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Keishi Kisoh
- Department of Applied Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Hideki Hayashi
- Department of Applied Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Sachiko Tanaka
- Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Nan Si
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Hai-Yu Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Toshihiko Hirano
- Department of Clinical Pharmacology, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Baolin Bian
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Norio Takagi
- Department of Applied Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
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24
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Xu Z, Wang F, Fan F, Gu Y, Shan N, Meng X, Cheng S, Liu Y, Wang C, Song Y, Xu R. Quantitative Proteomics Reveals That the Inhibition of Na+/K+-ATPase Activity Affects S-Phase Progression Leading to a Chromosome Segregation Disorder by Attenuating the Aurora A Function in Hepatocellular Carcinoma Cells. J Proteome Res 2015; 14:4594-602. [PMID: 26491887 DOI: 10.1021/acs.jproteome.5b00724] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Zhongwei Xu
- Central
Laboratory, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Fengmei Wang
- Department
of Gastroenterology and Hepatology, The Third Central Hospital of Tianjin, Tianjin 300170, China
| | - Fengxu Fan
- Central
Laboratory, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Yanjun Gu
- Affiliated Hospital of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Nana Shan
- Central
Laboratory, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Xiangyan Meng
- Department
of Physiology and Pathophysiology, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Shixiang Cheng
- Affiliated Hospital of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Yingfu Liu
- Central
Laboratory, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Chengyan Wang
- Central
Laboratory, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Yueying Song
- Central
Laboratory, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
| | - Ruicheng Xu
- Tianjin Key Laboratory for Biomarkers of Occupational and Environmental Hazard, No. 1 Huizhi Huan Road, DongLi District, Tianjin 300309, China
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25
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Cherniavsky Lev M, Karlish SJD, Garty H. Cardiac glycosides induced toxicity in human cells expressing α1-, α2-, or α3-isoforms of Na-K-ATPase. Am J Physiol Cell Physiol 2015; 309:C126-35. [PMID: 25994790 DOI: 10.1152/ajpcell.00089.2015] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The Na+-K+-ATPase is specifically inhibited by cardiac glycosides, some of which may also function as endogenous mammalian hormones. Previous studies using Xenopus oocytes, yeast cells, or purified isoforms demonstrated that affinities of various cardiac glycosides for three isoforms of the Na+-K+-ATPase (α1-α3β1) may differ, a finding with potential clinical implication. The present study investigates isoform selectivity and effects of cardiac glycosides on cultured mammalian cells under more physiological conditions. H1299 cells (non-small cell lung carcinoma) were engineered to express only one α-isoform (α1, α2, or α3) by combining stable transfection of isoforms and silencing endogenous α1. Cardiac glycoside binding was measured by displacement of bound 3H-ouabain. The experiments confirm moderate α1/α3:α2 selectivity of ouabain, moderate α2:α1 selectivity of digoxin, and enhanced α2:α1 selectivity of synthetic derivatives (Katz A, Tal DM, Heller D, Haviv H, Rabah B, Barkana Y, Marcovich AL, Karlish SJD. J Biol Chem 289: 21153-21162, 2014). Relative α2:α1 selectivity of digoxin vs. ouabain was also manifested by enhanced internalization of α2 in response to digoxin. Cellular proliferation assays of H1299 cells confirmed the patterns of α2:α1 selectivity for ouabain, digoxin, and a synthetic derivative and reveal a crucial role of surface pump density on sensitivity to cardiac glycosides. Because cardiac glycosides are being considered as drugs for treatment of cancer, effects of ouabain on proliferation of 12 cancer and noncancer cell lines, with variable plasma membrane expression of α1, have been tested. These demonstrated that sensitivity to ouabain indeed depends linearly on the plasma membrane surface density of Na+-K+-ATPase irrespective of status, malignant or nonmalignant.
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26
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Rascón-Valenzuela L, Velázquez C, Garibay-Escobar A, Medina-Juárez LA, Vilegas W, Robles-Zepeda RE. Antiproliferative activity of cardenolide glycosides from Asclepias subulata. JOURNAL OF ETHNOPHARMACOLOGY 2015; 171:280-286. [PMID: 26068432 DOI: 10.1016/j.jep.2015.05.057] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Revised: 05/17/2015] [Accepted: 05/30/2015] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Asclepias subulata Decne. is a shrub occurring in Sonora-Arizona desert (Mexico-USA). The ethnic groups, Seris and Pimas, use this plant for the treatment of sore eyes, gastrointestinal disorders and cancer. AIM OF THE STUDY To isolate the compounds responsible for antiproliferative activity of the methanol extract of A. subulata. MATERIALS AND METHODS A bioguided fractionation of methanol extract of A. subulata was performed using MTT assay to measure the antiproliferative activity of different compounds on three human cancer cell lines (A549, LS 180 and PC-3), one murine cancer cell line (RAW 264.7) and one human normal cell line (ARPE-19). The methanol extract was partitioned with hexane, ethyl acetate and ethanol. The active fractions, ethanol and residual, were fractioned by silica-column chromatography and active sub-fractions were separated using HPLC. The chemical structures of isolated compounds were elucidated with different chemical and spectroscopic methods. RESULTS A new cardenolide glycoside, 12, 16-dihydroxycalotropin, and three known, calotropin, corotoxigenin 3-O-glucopyranoside and desglucouzarin, were isolated of active sub-fractions. All isolated compounds showed a strong antiproliferative activity in human cancer cells. Calotropin was the more active with IC50 values of 0.0013, 0.06 and 0.41 µM on A549, LS 180 and PC-3 cell lines, respectively; while 12, 16-dihydroxycalotropin reached values of 2.48, 5.62 and 11.70 µM, on the same cells; corotoxigenin 3-O-glucopyranoside had IC50 of 2.64, 3.15 and 6.62 µM and desglucouzarin showed values of 0.90, 6.57 and 6.62, µM. Doxorubicin, positive control, showed IC50 values of 1.78, 6.99 and 3.18 µM, respectively. The isolated compounds had a weak effect on murine cancer cells and human normal cells, exhibiting selectivity to human cancer cells. CONCLUSION In this study, we found that 12, 16-dihydroxicalotropin, calotropin, corotoxigenin 3-O-glucopyranoside and desglucouzarin are responsible of antiproliferative properties of A. subulata, and that these compounds are highly selective to human cancer cells. Further studies are needed in order to establish the action mechanisms of the isolated compounds.
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Affiliation(s)
- L Rascón-Valenzuela
- Departamento de Investigaciones Científicas y Tecnológicas de la Universidad de Sonora, División de Ciencias Biológicas y de la Salud, Universidad de Sonora, Blvd. Colosio s/n, entre Sahuaripa y Reforma Colonia Centro, C.P. 83000 Hermosillo, Sonora México
| | - C Velázquez
- Departamento de Ciencias Químico Biológicas, División de Ciencias Biológicas y de la Salud, Universidad de Sonora, Encinas y Rosales Hermosillo, Sonora, México
| | - A Garibay-Escobar
- Departamento de Ciencias Químico Biológicas, División de Ciencias Biológicas y de la Salud, Universidad de Sonora, Encinas y Rosales Hermosillo, Sonora, México
| | - L A Medina-Juárez
- Departamento de Investigaciones Científicas y Tecnológicas de la Universidad de Sonora, División de Ciencias Biológicas y de la Salud, Universidad de Sonora, Blvd. Colosio s/n, entre Sahuaripa y Reforma Colonia Centro, C.P. 83000 Hermosillo, Sonora México
| | - W Vilegas
- UNESP-Universidade Estadual Paulista, Câmpus do Litoral Paulista, Praça Infante D. Henrique, s/n, CEP 11330-900 São Vicente, São Paulo, Brasil
| | - R E Robles-Zepeda
- Departamento de Ciencias Químico Biológicas, División de Ciencias Biológicas y de la Salud, Universidad de Sonora, Encinas y Rosales Hermosillo, Sonora, México.
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27
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Octanoate in Human Albumin Preparations Is Detrimental to Mesenchymal Stromal Cell Culture. Stem Cells Int 2015; 2015:192576. [PMID: 26074972 PMCID: PMC4444585 DOI: 10.1155/2015/192576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 03/29/2015] [Accepted: 04/15/2015] [Indexed: 12/17/2022] Open
Abstract
Cell therapies hold great promise as the next major advance in medical treatment. To enable safe, effective ex vivo culture whilst maintaining cell phenotype, growth media constituents must be carefully controlled. We have used a chemically defined mesenchymal stromal cell culture medium to investigate the influence of different preparations of human serum albumin. We examined two aspects of cell culture, growth rate as measured by population doubling time and colony forming ability which is a representative measure of the stemness of the cell population. Albumin preparations showed comparative differences in both of these criteria. Analysis of the albumin bound fatty acids also showed differences depending on the manufacturing procedure used. We demonstrated that octanoate, an additive used to stabilize albumin during pasteurization, slows growth and lowers colony forming ability during ex vivo culture. Further to this we also found the level of Na+/K+ ATPase, a membrane bound cation pump inhibited by octanoate, is increased in cells exposed to this compound. We conclude that the inclusion of human serum albumin in ex vivo growth media requires careful consideration of not only the source of albumin, but also the associated molecular cargo, for optimal cell growth and behavior.
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28
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Zeino M, Brenk R, Gruber L, Zehl M, Urban E, Kopp B, Efferth T. Cytotoxicity of cardiotonic steroids in sensitive and multidrug-resistant leukemia cells and the link with Na(+)/K(+)-ATPase. J Steroid Biochem Mol Biol 2015; 150:97-111. [PMID: 25797029 DOI: 10.1016/j.jsbmb.2015.03.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Revised: 03/04/2015] [Accepted: 03/17/2015] [Indexed: 12/12/2022]
Abstract
Cardiotonic steroids have long been in clinical use for treatment of heart failure and are now emerging as promising agents in various diseases, especially cancer. Their main target is Na(+)/K(+)-ATPase, a membrane protein involved in cellular ion homeostasis. Na(+)/K(+)-ATPase has been implicated in cancer biology by affecting several cellular events and signaling pathways in both sensitive and drug-resistant cancer cells. Hence, we investigated the cytotoxic activities of 66 cardiotonic steroids and cardiotonic steroid derivatives in sensitive CCRF-CEM and multidrug-resistant CEM/ADR5000 leukemia cells. Data were then subjected to quantitative structure-activity relationship analysis (QSAR) and molecular docking into Na(+)/K(+)-ATPase, which both indicated a possible differential expression of the pump in the mentioned cell lines. This finding was confirmed by western blotting, intracellular potassium labeling and next generation sequencing which showed that Na(+)/K(+)-ATPase was less expressed in multidrug-resistant than in sensitive cells.
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Affiliation(s)
- Maen Zeino
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Ruth Brenk
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Lisa Gruber
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Martin Zehl
- Department of Pharmacognosy, University of Vienna, Althanstraße 14, 1090 Vienna, Austria; Department of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, 1090 Vienna, Austria
| | - Ernst Urban
- Department of Pharmaceutical Chemistry, University of Vienna, Althanstraße 14, 1090 Vienna, Austria
| | - Brigitte Kopp
- Department of Pharmacognosy, University of Vienna, Althanstraße 14, 1090 Vienna, Austria
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany.
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29
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Ibrahim SRM, Mohamed GA, Shaala LA, Banuls LMY, Kiss R, Youssef DTA. Calotroposides H-N, new cytotoxic oxypregnane oligoglycosides from the root bark of Calotropis procera. Steroids 2015; 96:63-72. [PMID: 25641077 DOI: 10.1016/j.steroids.2015.01.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2014] [Revised: 12/16/2014] [Accepted: 01/14/2015] [Indexed: 10/24/2022]
Abstract
As a part of our continuing interest in identifying anticancer drug leads from natural sources, we have investigated the n-BuOH fraction of the root bark of Calotropis procera (Ait) R. Br. Seven new oxypregnane oligoglycosides: calotroposides H-N (1-7) were isolated and identified. Their structures were established on the basis of 1D and 2D NMR studies, HRMS, and GCMS spectral data. The in vitro growth inhibitory activity of the n-BuOH fraction and compounds 1-7 was evaluated against A549 non-small cell lung cancer (NSCLC), U373 glioblastoma (GBM), and PC-3 prostate cancer cell lines. Compounds 4 and 6 showed subnanomolar growth inhibition activity with IC50 ranging from 0.5 to 0.7μM against U373 glioblastoma (GBM) and PC-3 prostate cancer cell lines. These results provide further insight into the chemical diversity and biological activities of this class of compounds.
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Affiliation(s)
- Sabrin R M Ibrahim
- Department of Pharmacognosy and Pharmaceutical Chemistry, Faculty of Pharmacy, Taibah University, Al Madinah Al Munawarah 30078, Saudi Arabia; Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Gamal A Mohamed
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Lamiaa A Shaala
- Natural Products Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Suez Canal University Hospital, Suez Canal University, Ismailia 41522, Egypt
| | - Laetitia Moreno Y Banuls
- Laboratoire de Cancérologie et de Toxicologie Expérimentale, Faculté de Pharmacie, Université Libre de Bruxelles, Bruxelles, Belgium
| | - Robert Kiss
- Laboratoire de Cancérologie et de Toxicologie Expérimentale, Faculté de Pharmacie, Université Libre de Bruxelles, Bruxelles, Belgium
| | - Diaa T A Youssef
- Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmacognosy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt.
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30
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Tchinda AT, Tsala DE, Nga N, Cieckiewicz E, Kiss R, Connolly JD, Frédérich M. Two New Aromadendrane Sesquiterpenes from the Stem Bark of Alafia multiflora. Nat Prod Commun 2014. [DOI: 10.1177/1934578x1400901202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Two new aromadendrane sesquiterpenoids (1β,4β,5β,6α,7α,11 S)-aromadendr-9-en-13,14-dioic acid (1) and (1β,4β,5β,6α,7α,11 S)-13-oxoaromadendr-9-en-14-oic acid (2) have been isolated from the stem bark of Alafia multiflora along with β-sitosterol and β-sitosterol glucoside. Their structures were established on the basis of spectroscopic analyses, including 1D and 2D NMR experiments (1H-1H COSY, NOESY, HSQC, HMBC). Compound 1 showed a weak growth inhibitory activity against the murine melanoma line B16F10 MTT.
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Affiliation(s)
- Alembert T. Tchinda
- Center for Studies on Medicinal Plants and Traditional Medicine, Institute of Medical Research and Medicinal Plants Studies (IMPM), P.O. Box 6163, Yaoundé, Cameroon
| | - David E. Tsala
- Department of Biological Sciences, Faculty of Sciences, University of Maroua, P.O.Box 46 Maroua, Cameroon
| | - Nnanga Nga
- Center for Studies on Medicinal Plants and Traditional Medicine, Institute of Medical Research and Medicinal Plants Studies (IMPM), P.O. Box 6163, Yaoundé, Cameroon
- Department of Galenic Pharmacy and Pharmaceutical Legislation, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, P.O. Box 1364, Yaoundé, Cameroon
| | - Ewa Cieckiewicz
- Laboratory of Pharmacognosy, Department of Pharmacy, CIRM, University of Liège, B36, 4000 Liège, Belgium
| | - Robert Kiss
- Laboratory of Toxicology, Faculty of Pharmacy, Université Libre de Bruxelles (ULB), CP 205/1, 1050 Brussels, Belgium
| | | | - Michel Frédérich
- Laboratory of Pharmacognosy, Department of Pharmacy, CIRM, University of Liège, B36, 4000 Liège, Belgium
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31
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Yu Z, Guo W, Ma X, Zhang B, Dong P, Huang L, Wang X, Wang C, Huo X, Yu W, Yi C, Xiao Y, Yang W, Qin Y, Yuan Y, Meng S, Liu Q, Deng W. Gamabufotalin, a bufadienolide compound from toad venom, suppresses COX-2 expression through targeting IKKβ/NF-κB signaling pathway in lung cancer cells. Mol Cancer 2014; 13:203. [PMID: 25175164 PMCID: PMC4161895 DOI: 10.1186/1476-4598-13-203] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 08/25/2014] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Gamabufotalin (CS-6), a major bufadienolide of Chansu, has been used for cancer therapy due to its desirable metabolic stability and less adverse effect. However, the underlying mechanism of CS-6 involved in anti-tumor activity remains poorly understood. METHODS The biological functions of gamabufotalin (CS-6) were investigated by migration, colony formation and apoptosis assays in NSCLC cells. The nuclear localization and interaction between transcriptional co-activator p300 and NF-κB p50/p65 and their binding to COX-2 promoter were analyzed after treatment with CS-6. Molecular docking study was used to simulate the interaction of CS-6 with IKKβ. The in vivo anti-tumor efficacy of CS-6 was also analyzed in xenografts nude mice. Western blot was used to detect the protein expression level. RESULTS Gamabufotalin (CS-6) strongly suppressed COX-2 expression by inhibiting the phosphorylation of IKKβ via targeting the ATP-binding site, thereby abrogating NF-κB binding and p300 recruitment to COX-2 promoter. In addition, CS-6 induced apoptosis by activating the cytochrome c and caspase-dependent apoptotic pathway. Moreover, CS-6 markedly down-regulated the protein levels of COX-2 and phosphorylated p65 NF-κB in tumor tissues of the xenograft mice, and inhibited tumor weight and size. CONCLUSIONS Our study provides pharmacological evidence that CS-6 exhibits potential use in the treatment of COX-2-mediated diseases such as lung cancer.
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Affiliation(s)
- Zhenlong Yu
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Wei Guo
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Xiaochi Ma
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Baojing Zhang
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Peipei Dong
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Lin Huang
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Xiuli Wang
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Chao Wang
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Xiaokui Huo
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Wendan Yu
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Canhui Yi
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Yao Xiao
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Wenjing Yang
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Yu Qin
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Yuhui Yuan
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Songshu Meng
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
| | - Quentin Liu
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
- />Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Canter of Cancer Medicine, Guangzhou, China
| | - Wuguo Deng
- />Institute of Cancer Stem Cell; College of Pharmacy, Dalian Medical University, Lvshun South Road No 9, Dalian, 116044 China
- />Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Canter of Cancer Medicine, Guangzhou, China
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Deng LJ, Hu LP, Peng QL, Yang XL, Bai LL, Yiu A, Li Y, Tian HY, Ye WC, Zhang DM. Hellebrigenin induces cell cycle arrest and apoptosis in human hepatocellular carcinoma HepG2 cells through inhibition of Akt. Chem Biol Interact 2014; 219:184-94. [DOI: 10.1016/j.cbi.2014.06.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Revised: 05/12/2014] [Accepted: 06/01/2014] [Indexed: 12/12/2022]
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