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Ainembabazi D, Zhang Y, Turchi JJ. The mechanistic role of cardiac glycosides in DNA damage response and repair signaling. Cell Mol Life Sci 2023; 80:250. [PMID: 37584722 PMCID: PMC10432338 DOI: 10.1007/s00018-023-04910-9] [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: 04/26/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/17/2023]
Abstract
Cardiac glycosides (CGs) are a class of bioactive organic compounds well-known for their application in treating heart disease despite a narrow therapeutic window. Considerable evidence has demonstrated the potential to repurpose CGs for cancer treatment. Chemical modification of these CGs has been utilized in attempts to increase their anti-cancer properties; however, this has met limited success as their mechanism of action is still speculative. Recent studies have identified the DNA damage response (DDR) pathway as a target of CGs. DDR serves to coordinate numerous cellular pathways to initiate cell cycle arrest, promote DNA repair, regulate replication fork firing and protection, or induce apoptosis to avoid the survival of cells with DNA damage or cells carrying mutations. Understanding the modus operandi of cardiac glycosides will provide critical information to better address improvements in potency, reduced toxicity, and the potential to overcome drug resistance. This review summarizes recent scientific findings of the molecular mechanisms of cardiac glycosides affecting the DDR signaling pathway in cancer therapeutics from 2010 to 2022. We focus on the structural and functional differences of CGs toward identifying the critical features for DDR targeting of these agents.
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Affiliation(s)
- Diana Ainembabazi
- Department of Medicine, School of Medicine, Joseph E Walther Hall, Indiana University, 980 W. Walnut St, C560, R3-C560, Indianapolis, IN 46202 USA
| | - Youwei Zhang
- Department of Pharmacology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106 USA
| | - John J. Turchi
- Department of Medicine, School of Medicine, Joseph E Walther Hall, Indiana University, 980 W. Walnut St, C560, R3-C560, Indianapolis, IN 46202 USA
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2
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Takada Y, Kaneko K. Automated machine learning approach for developing a quantitative structure-activity relationship model for cardiac steroid inhibition of Na +/K +-ATPase. Pharmacol Rep 2023:10.1007/s43440-023-00508-x. [PMID: 37354314 DOI: 10.1007/s43440-023-00508-x] [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: 03/27/2023] [Revised: 06/09/2023] [Accepted: 06/16/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Quantitative structure-activity relationship (QSAR) modeling is a method of characterizing the relationship between chemical structures and biological activity. Automated machine learning enables computers to learn from large datasets and can be used for chemoinformatics. Cardiac steroids (CSs) inhibit the activity of Na+/K+-ATPase (NKA) in several species, including humans, since the binding pocket in which NKA binds to CSs is highly conserved. CSs are used to treat heart disease and have been developed into anticancer drugs for use in clinical trials. Novel CSs are, therefore, frequently synthesized and their activities evaluated. The purpose of this study is to develop a QSAR model via automated machine learning to predict the potential inhibitory activity of compounds without performing experiments. METHODS The chemical structures and inhibitory activities of 215 CS derivatives were obtained from the scientific literature. Predictive QSAR models were constructed using molecular descriptors, fingerprints, and biological activities. RESULTS The best predictive QSAR models were selected based on the LogLoss value. Using these models, the Matthews correlation coefficient, F1 score, and area under the curve of the test dataset were 0.6729, 0.8813, and 0.8812, respectively. Next, we showed automated construction of the predictive models for CS derivatives, which may be useful for identifying novel CSs suitable for candidate drug development. CONCLUSION The automated machine learning-based QSAR method developed here should be applicable for the time-efficient construction of predictive models using only a small number of compounds.
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Affiliation(s)
- Yohei Takada
- Corporate Planning Department, Otsuka Holdings Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-ku, Tokyo, 108-8241, Japan.
| | - Kazuhiro Kaneko
- Headquarters of Clinical Development, Otsuka Pharmaceutical Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-ku, Tokyo, 108-8241, Japan
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3
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Jensen GS, Yu L, Iloba I, Cruickshank D, Matos JR, Newman RA. Differential Activities of the Botanical Extract PBI-05204 and Oleandrin on Innate Immune Functions under Viral Challenge Versus Inflammatory Culture Conditions. Molecules 2023; 28:4799. [PMID: 37375354 DOI: 10.3390/molecules28124799] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/08/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
The Nerium oleander extract PBI 05204 (PBI) and its cardiac glycoside constituent oleandrin have direct anti-viral properties. Their effect on the immune system, however, is largely unknown. We used an in vitro model of human peripheral blood mononuclear cells to document effects under three different culture conditions: normal, challenged with the viral mimetic polyinosinic:polycytidylic acid Poly I:C, and inflamed by lipopolysaccharide (LPS). Cells were evaluated for immune activation marks CD69, CD25, and CD107a, and culture supernatants were tested for cytokines. Both PBI and oleandrin directly activated Natural Killer (NK) cells and monocytes and triggered increased production of cytokines. Under viral mimetic challenge, PBI and oleandrin enhanced the Poly I:C-mediated immune activation of monocytes and NK cells and enhanced production of IFN-γ. Under inflammatory conditions, many cytokines were controlled at similar levels as in cultures treated with PBI and oleandrin without inflammation. PBI triggered higher levels of some cytokines than oleandrin. Both products increased T cell cytotoxic attack on malignant target cells, strongest by PBI. The results show that PBI and oleandrin directly activate innate immune cells, enhance anti-viral immune responses through NK cell activation and IFN-γ levels, and modulate immune responses under inflamed conditions. The potential clinical impact of these activities is discussed.
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Affiliation(s)
| | - Liu Yu
- NIS Labs, 807 St. George St., Port Dover, ON N0A 1N0, Canada
| | - Ifeanyi Iloba
- NIS Labs, 1437 Esplanade, Klamath Falls, OR 97601, USA
| | | | - Jose R Matos
- Phoenix Biotechnology, 8626 Tesoro Drive, Suite 801, San Antonio, TX 78217, USA
| | - Robert A Newman
- Phoenix Biotechnology, 8626 Tesoro Drive, Suite 801, San Antonio, TX 78217, USA
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Liu JT, Sun ZX, Zhong R, Zhang YD, Wang T, Hou YD, Bao JH, Zhang L, Chen B. ZNRF2 as an oncogene is transcriptionally regulated by CREB1 in breast cancer models. Hum Cell 2023:10.1007/s13577-023-00913-7. [PMID: 37165255 DOI: 10.1007/s13577-023-00913-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 04/29/2023] [Indexed: 05/12/2023]
Abstract
E3 ubiquitin ligase Zinc and Ring Finger 2 (ZNRF2) has been demonstrated to be engaged in the development of multiple cancers. Nevertheless, the function of ZNRF2 in breast cancer (BC) still unclear. In this work, we firstly analyzed the differentially expressed genes in BC by bioinformatics and found that ZNRF2 was highly expressed in BC. Consistently, we further confirmed that ZNRF2 was upregulated in BC tissues compared with adjacent normal tissues, and this was positively correlated with the poor prognosis and the higher pathological grades of patients with BC. Functional assays performed on HCC1937 and MCF-7 cells indicated that silencing of ZNRF2 suppressed cell proliferation, as evidenced by the decrease in the expression of cyclin A, PCNA and cyclin D1. Flow cytometry and Hoechst staining showed that knockdown of ZNRF2 induced cell apoptosis, which was verified by the upregulation of apoptosis genes such as Bax, cleaved PARP and Bim. ZNRF2 knockdown also inhibited in vivo tumor growth. But, instead, ZNRF2-overexpressed BC cells exhibited obvious malignant phenotypes. Additionally, we observed that cAMP response element binding protein 1 (CREB1) directly bound to the promoter sequence of ZNRF2 and thus activating its transcription, suggesting that ZNRF2 is transcriptionally regulated by CREB1. Additionally, ZNRF2 knockdown could reverse the proliferation-promoting action of CREB1 on BC cells, Hence, this study demonstrated that ZNRF2 might serve as a prospective therapeutic target for BC.
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Affiliation(s)
- Jin-Tao Liu
- Department of Thyroid Surgery, Dalian Municipal Central Hospital, Dalian, Liaoning, China
| | - Zhen-Xuan Sun
- Graduate School, Dalian Medical University, Dalian, Liaoning, China
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Rui Zhong
- Graduate School, Dalian Medical University, Dalian, Liaoning, China
| | - Yi-Dan Zhang
- Graduate School, Dalian Medical University, Dalian, Liaoning, China
| | - Teng Wang
- Graduate School, Dalian Medical University, Dalian, Liaoning, China
| | - Yu-Dong Hou
- Graduate School, China Medical University, Shenyang, Liaoning, China
| | - Jian-Heng Bao
- Graduate School, Dalian Medical University, Dalian, Liaoning, China
| | - Lei Zhang
- Department of Breast Surgery, The First Hospital of China Medical University, No. 155, Nanjing North Street, Shenyang, Liaoning, China.
| | - Bo Chen
- Department of Breast Surgery, The First Hospital of China Medical University, No. 155, Nanjing North Street, Shenyang, Liaoning, China.
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Sharma R, Singh S, Tewari N, Dey P. A toxic shrub turned therapeutic: The dichotomy of Nerium oleander bioactivities. Toxicon 2023; 224:107047. [PMID: 36706925 DOI: 10.1016/j.toxicon.2023.107047] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/20/2023] [Accepted: 01/24/2023] [Indexed: 01/26/2023]
Abstract
Nerium oleander L. is a medicinal plant, used for the treatment of cancers and hyperglycemia across the world, especially in Indian sub-continent, Turkey, Morocco, and China. Although clinical studies supporting its pharmacological effects remain critically underexplored, accidental and intentional consumption of any part of the plant causes fatal toxicity in animals and humans. While the polyphenolic fraction of oleander leaves has been attributed to its pre-clinical pharmacological activities, the presence of diverse cardiac glycosides (especially oleandrin) causes apoptosis to cancer cells in vitro and results in clinical signs of oleander poisoning. Thus, the dual pharmacological and toxicological role of oleander is a perplexing dichotomy in phytotherapy. The current investigative review, therefore, intended to analyze the intrinsic and extrinsic factors that likely contribute to this conundrum. Especially by focusing on gut microbial diversity, abundance, and metabolic functions, oleander-associated pharmacological and toxicological studies have been critically analyzed to define the dual effects of oleander. Electronic databases were extensively screened for relevant research articles (including pre-clinical and clinical) related to oleander bioactivities and toxicity. Taxonomic preference was given to the plant N. oleander L. and synonymous plants as per 'The World Flora Online' database (WCSP record #135196). Discussion on yellow oleander (Cascabela thevetia (L.) Lippold) has intentionally been avoided since it is a different plant. The review indicates that the gut microbiota likely plays a key role in differentially modulating the pharmacological and toxicological effects of oleander. Other factors identified influencing the oleander bioactivities include dose and mode of treatment, cardiac glycoside pharmacokinetics, host-endogenous glycosides, plant material processing and phytochemical extraction methods, plant genotypic variations, environmental effects on the phytochemical quality and quantity, gene expression variations, host dietary patterns and co-morbidity, etc. The arguments proposed are also relevant to other medicinal plants containing toxic cardiac glycosides.
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Affiliation(s)
- Rajat Sharma
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, India.
| | - Swati Singh
- Department of Zoology, University of North Bengal, Siliguri, West Bengal, India.
| | - Nisha Tewari
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, India.
| | - Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab, India.
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Takada Y, Kaneko K, Kawakami Y. Interaction of Odoroside A, A Known Natural Cardiac Glycoside, with Na +/K +-ATPase. J Membr Biol 2023; 256:229-241. [PMID: 36840763 DOI: 10.1007/s00232-023-00281-1] [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: 09/21/2022] [Accepted: 02/01/2023] [Indexed: 02/26/2023]
Abstract
The nature of odoroside A, a cardiac glycoside (CG) extracted from Nerium oleander, as well as its chemical structure is quite similar to a well-known CG, ouabain possessing a steroid skeleton, a five-membered unsaturated lactone ring, and a sugar moiety as a common structure. Like ouabain, odoroside A inhibits the activity of Na+/K+-ATPase (NKA) and shows significant anticancer activity, however its inhibitory mechanism remains unknown. CGs show various physiological activities, including cardiotonic and anticancer activities, through the inhibition of NKA by direct interaction. Additionally, X-ray crystallographic analysis revealed the inhibitory mechanism of ouabain and digoxin in relation to NKA. By using different molecular modeling techniques, docking simulation of odoroside A and NKA was conducted based on the results of these X-ray crystallographic analyses. Furthermore, a comparison of the results with the binding characteristics of three known CGs (ouabain, digoxin, and digitoxin) was also conducted. Odoroside A fitted into the CG binding pocket on the α-subunit of NKA revealed by X-ray crystallography. It had key interactions with Thr797 and Phe783. Also, three known CGs showed similar interactions with Thr797 and Phe783. Interaction modes of odoroside A were quite similar to those of ouabain, digoxin, and digitoxin. Docking simulations indicated that the sugar moiety enhanced the interaction between NKA and CGs, but did not show enhanced NKA inhibitory activity because the sugar moiety was placed outside the entrance of active site. Thus, these results suggest that the inhibitory mechanism of odoroside A to NKA is the same as the known CGs.
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Affiliation(s)
- Yohei Takada
- Corporate Planning Department, Otsuka Holdings Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-Ku, Tokyo, 108-8241, Japan.
| | - Kazuhiro Kaneko
- Headquarters of Clinical Development, Otsuka Pharmaceutical Co., Ltd, Shinagawa Grand Central Tower 2-16-4 Konan, Minato-Ku, Tokyo, 108-8241, Japan
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Rashan LJ, Özenver N, Boulos JC, Dawood M, Roos WP, Franke K, Papasotiriou I, Wessjohann LA, Fiebig HH, Efferth T. Molecular Modes of Action of an Aqueous Nerium oleander Extract in Cancer Cells In Vitro and In Vivo. Molecules 2023; 28:molecules28041871. [PMID: 36838857 PMCID: PMC9960564 DOI: 10.3390/molecules28041871] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 02/06/2023] [Accepted: 02/09/2023] [Indexed: 02/18/2023] Open
Abstract
Cancer drug resistance remains a major obstacle in clinical oncology. As most anticancer drugs are of natural origin, we investigated the anticancer potential of a standardized cold-water leaf extract from Nerium oleander L., termed Breastin. The phytochemical characterization by nuclear magnetic resonance spectroscopy (NMR) and low- and high-resolution mass spectrometry revealed several monoglycosidic cardenolides as major constituents (adynerin, neritaloside, odoroside A, odoroside H, oleandrin, and vanderoside). Breastin inhibited the growth of 14 cell lines from hematopoietic tumors and 5 of 6 carcinomas. Remarkably, the cellular responsiveness of odoroside H and neritaloside was not correlated with all other classical drug resistance mechanisms, i.e., ATP-binding cassette transporters (ABCB1, ABCB5, ABCC1, ABCG2), oncogenes (EGFR, RAS), tumor suppressors (TP53, WT1), and others (GSTP1, HSP90, proliferation rate), in 59 tumor cell lines of the National Cancer Institute (NCI, USA), indicating that Breastin may indeed bypass drug resistance. COMPARE analyses with 153 anticancer agents in 74 tumor cell lines of the Oncotest panel revealed frequent correlations of Breastin with mitosis-inhibiting drugs. Using tubulin-GFP-transfected U2OS cells and confocal microscopy, it was found that the microtubule-disturbing effect of Breastin was comparable to that of the tubulin-depolymerizing drug paclitaxel. This result was verified by a tubulin polymerization assay in vitro and molecular docking in silico. Proteome profiling of 3171 proteins in the NCI panel revealed protein subsets whose expression significantly correlated with cellular responsiveness to odoroside H and neritaloside, indicating that protein expression profiles can be identified to predict the sensitivity or resistance of tumor cells to Breastin constituents. Breastin moderately inhibited breast cancer xenograft tumors in vivo. Remarkably, in contrast to what was observed with paclitaxel monotherapy, the combination of paclitaxel and Breastin prevented tumor relapse, indicating Breastin's potential for drug combination regimens.
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Affiliation(s)
- Luay J. Rashan
- Frankincense Biodiversity Unit, Research Center, Dhofar University, Salalah 211, Oman
- Correspondence: (L.J.R.); (T.E.); Tel.: +968-2323-7357 (L.J.R.); +49-6131-3925751 (T.E.)
| | - Nadire Özenver
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, 55128 Mainz, Germany
- Department of Pharmacognosy, Faculty of Pharmacy, Hacettepe University, Ankara 06100, Turkey
| | - Joelle C. Boulos
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, 55128 Mainz, Germany
| | - Mona Dawood
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, 55128 Mainz, Germany
- 4HF Biotec GmbH, 79108 Freiburg, Germany
- Department of Molecular Biology, Faculty of Medical Laboratory Sciences, Al-Neelain University, Khartoum 12702, Sudan
| | - Wynand P. Roos
- Institute of Toxicology, Medical Center of the University Mainz, Obere Zahlbacher Straße 67, 55131 Mainz, Germany
| | - Katrin Franke
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry (IPB), Weinberg 3, 06120 Halle, Germany
| | | | - Ludger A. Wessjohann
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry (IPB), Weinberg 3, 06120 Halle, Germany
| | | | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, 55128 Mainz, Germany
- Correspondence: (L.J.R.); (T.E.); Tel.: +968-2323-7357 (L.J.R.); +49-6131-3925751 (T.E.)
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Francischini CRD, Mendonça CR, Barcelos KA, Silva MAM, Botelho AFM. Antitumor effects of oleandrin in different types of cancers: Systematic review. Toxicon 2022; 216:15-27. [PMID: 35772506 DOI: 10.1016/j.toxicon.2022.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/13/2022] [Accepted: 06/23/2022] [Indexed: 02/07/2023]
Abstract
Oleandrin, a cardiac glycoside isolated from the leaves of Nerium oleander, has known effects on the heart. Evidence from recent studies have highlighted its potential for anticancer properties. Therefore, we aimed to investigate the effects of oleandrin on cancer cell proliferation, viability and apoptosis in vitro and in vivo. We performed a systematic search in six electronic databases up to Jan 2022. We extracted information about the effects of oleandrin on cell proliferation, cell viability, apoptosis and/or cell cycle arrest in in vitro studies, and the effects on tumor size and volume in animal experimental models. We have retrieved 775 scientific studies. 14 studies met the inclusion criteria. They investigated the effects of oleandrin on breast, lung, pancreatic, colon, prostate, colorectal, oral, ovarian, glioma, melanoma, glioblastoma, osteosarcoma, and histiocytic lymphoma cancers. Overall, in vitro studies demonstrated that oleandrin was able to inhibit cell proliferation, decrease cell viability, and induce apoptosis and/or cell cycle arrest. In addition, oleandrin had an effect on reducing mean tumor size and volume in animal studies. Oleandrin, as a cytotoxic agent, demonstrated antitumor effects in different types of cancers, however important clinical limitations remain a concern. These results encourage future studies to verify the applicability of oleandrin in antineoplastic therapeutic protocols human and veterinary medicine, the investigation of antimetastatic properties, as well as the potential increase in patient survival and the decrease of tumor markers.
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Affiliation(s)
| | | | - Kênia Alves Barcelos
- Postgraduate Program of Animal Science, Escola de Veterinária e Zootecnia, Federal University of Goiás, Brazil
| | - Marco Augusto Machado Silva
- Postgraduate Program of Animal Science, Escola de Veterinária e Zootecnia, Federal University of Goiás, Brazil
| | - Ana Flávia Machado Botelho
- Postgraduate Program of Animal Science, Escola de Veterinária e Zootecnia, Federal University of Goiás, Brazil.
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Shah K, Chhabra S, Singh Chauhan N. Chemistry and anticancer activity of cardiac glycosides: A review. Chem Biol Drug Des 2022; 100:364-375. [PMID: 35638893 DOI: 10.1111/cbdd.14096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/17/2022] [Accepted: 05/21/2022] [Indexed: 01/06/2023]
Abstract
The objective of this review is an attempt to emphasize the development in the chemistry and to display review of diverse therapeutic actions of cardiac glycosides. Anticancer activity of cardiac glycosides is the main activity as discussed in this review. The aim of the review is to gather the recent researches on cardiac glycosides. The present manuscript gives the platform for the researcher to have complete literature on the topic.
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Affiliation(s)
- Kamal Shah
- Institute of Pharmaceutical Research, GLA University, Mathura, India
| | - Sumit Chhabra
- Institute of Pharmaceutical Research, GLA University, Mathura, India
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Hu X, Chen T, Zhang S, Zhang Q, Li C, Wang X. Antitumour effect of odoroside A and its derivative on human leukaemia cells through the ROS/JNK pathway. Basic Clin Pharmacol Toxicol 2021; 130:56-69. [PMID: 34634178 DOI: 10.1111/bcpt.13673] [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: 05/01/2021] [Revised: 09/14/2021] [Accepted: 10/06/2021] [Indexed: 11/30/2022]
Abstract
Oleandrigenin-3-O-β-D-diginoside (a derivative of odoroside A), isolated and purified by our group, has seldom been explored for its pharmacological activity. This study aimed at clarifying the mechanisms towards the leukaemia-suppressive role of odoroside A (compound #1) and its derivative, oleandrigenin-3-O-β-D-diginoside (compound #2) isolated from Nerium oleander. Viability and nuclear morphology change were assessed by CCK-8 assay and fluorescence microscope, respectively. Then, the cell apoptosis and autophagy induced by the compounds were detected by flow cytometry and Western blot. Xenograft model of nude mice was also applied to measure the leukaemia-suppressive effects of compound #2 in vivo. The result displayed that compound #1 and compound #2 inhibited the proliferation of HL60 and K562 cells and stronger effects were found in HL60 than K562 cells. Both of the compounds induced a dose-dependent apoptosis and autophagy in HL60 cells, where compound #2 was more potent than compound #1. Compound #2 also demonstrated a time-dependent apoptosis and autophagy in HL60 cells. Furthermore, ROS generation and JNK phosphorylation occurred in a dose-dependent manner in the cells treated with compound #2. Mitochondria also played critical role, proved by the decrease of Bcl-2, the release of cyto c to cytosol and the activation of caspase-3 and caspase-9. Moreover, the antitumour effects of compound #2 were validated in the nude mouse xenograft model in vivo. Odoroside A and its derivative inhibited the growth of leukaemia by inducing apoptosis and autophagy through the activation of ROS/JNK pathway. These results suggest that the compounds can serve as potential antitumour agents against leukaemia, especially acute myeloid leukaemia (AML).
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Affiliation(s)
- Xiaopeng Hu
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China.,Department of Biochemistry, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia, Serdang, Malaysia
| | - Tie Chen
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China
| | - Shuquan Zhang
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China
| | - Qian Zhang
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China
| | - Chenyang Li
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China
| | - Xiaodong Wang
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China
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Li F, Li SS, Chen H, Zhao JZ, Hao J, Liu JM, Zu XG, Cui W. miR-320 accelerates chronic heart failure with cardiac fibrosis through activation of the IL6/STAT3 axis. Aging (Albany NY) 2021; 13:22516-22527. [PMID: 34582362 PMCID: PMC8507257 DOI: 10.18632/aging.203562] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 08/24/2021] [Indexed: 12/12/2022]
Abstract
Cardiac fibrosis could induce abnormal cardiac function and become a novel target for cardiac hypertrophy and chronic heart failure. MiRNA-320 is a crucial miRNA in cardiovascular disease, but it is poorly understood whether it plays a role in cardiac fibrosis pathogenesis. We aimed to identify the specific underlying mechanism of miR-320 in cardiac fibrosis and hypertrophic pathogenesis. In our study, the GEO datasets revealed that STAT3 was significantly highly expressed in cardiomyocyte lines. MiR-320 activation and STAT3 signaling pathways were statistically significantly connected. Furthermore, miR-320 was highly associated with cardiac fibrosis and hypertrophic disease. Interstitial fibrosis was observed in the mice subjected to TAC surgery, markedly enhanced in miR-320 mimics. Mechanistically, we revealed that miR-320 mimics aggravated the pressure overload and induced cardiac hypertrophy and fibrosis via the IL6/STAT3/PTEN axis. MiR-320 mimics accelerated cardiac hypertrophy and cardiac fibrosis via the IL6/STAT3/PTEN axis. These results suggest that targeting miR-320 may represent a potential therapeutic strategy for cardiac hypertrophy and fibrosis.
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Affiliation(s)
- Fang Li
- Third Division, Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, PR China
| | - Shan-Shan Li
- Third Division, Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, PR China
| | - Hui Chen
- Third Division, Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, PR China
| | - Jian-Zhi Zhao
- Department of Biochemistry and Molecular Biology, The Hebei Medical University, Shijiazhuang, Hebei 050011, PR China
| | - Jie Hao
- Third Division, Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, PR China
| | - Jin-Ming Liu
- Third Division, Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, PR China
| | - Xiu-Guang Zu
- Third Division, Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, PR China
| | - Wei Cui
- Department of Cardiology, The Second Hospital of Hebei Medical University and Hebei Institute of Cardiovascular Research, Shijiazhuang, Hebei 050011, PR China
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Kumavath R, Paul S, Pavithran H, Paul MK, Ghosh P, Barh D, Azevedo V. Emergence of Cardiac Glycosides as Potential Drugs: Current and Future Scope for Cancer Therapeutics. Biomolecules 2021; 11:1275. [PMID: 34572488 PMCID: PMC8465509 DOI: 10.3390/biom11091275] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 12/24/2022] Open
Abstract
Cardiac glycosides are natural sterols and constitute a group of secondary metabolites isolated from plants and animals. These cardiotonic agents are well recognized and accepted in the treatment of various cardiac diseases as they can increase the rate of cardiac contractions by acting on the cellular sodium potassium ATPase pump. However, a growing number of recent efforts were focused on exploring the antitumor and antiviral potential of these compounds. Several reports suggest their antitumor properties and hence, today cardiac glycosides (CG) represent the most diversified naturally derived compounds strongly recommended for the treatment of various cancers. Mutated or dysregulated transcription factors have also gained prominence as potential therapeutic targets that can be selectively targeted. Thus, we have explored the recent advances in CGs mediated cancer scope and have considered various signaling pathways, molecular aberration, transcription factors (TFs), and oncogenic genes to highlight potential therapeutic targets in cancer management.
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Affiliation(s)
- Ranjith Kumavath
- Department of Genomic Science, School of Biological Sciences, Central University of Kerala, Tejaswini Hills, Periya (P.O) Kasaragod, Kerala 671320, India;
| | - Sayan Paul
- Department of Biotechnology, Manonmaniam Sundaranar University, Tirunelveli, Tamilnadu 627012, India;
- Centre for Cardiovascular Biology and Disease, Institute for Stem Cell Science and Regenerative Medicine, Bangalore 560065, India
| | - Honey Pavithran
- Department of Genomic Science, School of Biological Sciences, Central University of Kerala, Tejaswini Hills, Periya (P.O) Kasaragod, Kerala 671320, India;
| | - Manash K. Paul
- Department of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, UCLA, Los Angeles, CA 90095, USA;
| | - Preetam Ghosh
- Department of Computer Science, Virginia Commonwealth University, Richmond, VA 23284, USA;
| | - Debmalya Barh
- Institute of Integrative Omics and Applied Biotechnology (IIOAB), Nonakuri, Purba Medinipur 721172, India;
- Laboratório de Genética Celular e Molecular, Departamento de Genetica, Ecologia e Evolucao, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-001, Brazil;
| | - Vasco Azevedo
- Laboratório de Genética Celular e Molecular, Departamento de Genetica, Ecologia e Evolucao, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-001, Brazil;
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13
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Hou Y, Shang C, Meng T, Lou W. Anticancer potential of cardiac glycosides and steroid-azole hybrids. Steroids 2021; 171:108852. [PMID: 33887267 DOI: 10.1016/j.steroids.2021.108852] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 04/03/2021] [Accepted: 04/12/2021] [Indexed: 01/03/2023]
Abstract
Steriods are well-known scaffolds that have a widespread occurrence in different compounds characterized by extensive biological properties including anticancer activity. Structural modifications on steroids always generate potential lead compounds with superior bioactivity, and creation of steroid hybrids by combining steroid with other anticancer pharmacophores in one molecule, which can exert the anticancer activity through different mechanisms, is one of the most promising strategies to enhance efficiency, overcome drug resistance and reduce side effects. Sugars and azoles, can act on diverse receptors, proteins and enzymes in cancer cells, are pharmacologically significant scaffolds in the development of novel anticancer agents. Therefore, steroid-sugar hybrids cardiac glycosides and steroid-azole hybrids are privileged scaffolds for the discovery of novel anticancer candidates. This review emphasized on the development, the structure-activity relationship and the mechanism of action of cardiac glycosides and steroid-azole hybrids with potential application for fighting against various cancers including drug-resistant forms to facilitate further rational design of novel drug candidates covering articles published between 2015 and 2020.
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Affiliation(s)
- Yani Hou
- School of Medicine, Xi'an Peihua University, Xi'an 710125, Shannxi, China
| | - Congshan Shang
- School of Medicine, Xi'an Peihua University, Xi'an 710125, Shannxi, China
| | - Tingting Meng
- School of Medicine, Xi'an Peihua University, Xi'an 710125, Shannxi, China
| | - Wei Lou
- Department of Respiratory, Zhuji Affiliated Hospital of Shaoxing University, Zhuji, China.
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14
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Du J, Jiang L, Chen F, Hu H, Zhou M. Cardiac Glycoside Ouabain Exerts Anticancer Activity via Downregulation of STAT3. Front Oncol 2021; 11:684316. [PMID: 34277430 PMCID: PMC8279743 DOI: 10.3389/fonc.2021.684316] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 06/16/2021] [Indexed: 12/30/2022] Open
Abstract
Cardiac glycosides are plant-derived steroid-like compounds which have been used for the treatment of cardiovascular diseases. Ouabain, a cardiotonic steroid and specific Na+/K+-ATPase inhibitor, has been rediscovered for its potential use in the treatment of cancer. However, the cellular targets and anticancer mechanism of ouabain in various cancers remain largely unexplored. In this study, we confirmed the cytotoxic effects of ouabain on several cancer cell lines. Further examination revealed the increase of apoptosis, intracellular ROS generation and DNA double-strand breaks induced by ouabain treatment. Besides, ouabain effectively suppressed STAT3 expression as well as phosphorylation in addition to block STAT3-mediated transcription and downstream target proteins. Interestingly, these inhibitory activities seemed to be independent of the Na+/K+-ATPase. Furthermore, we found that ouabain inhibited protein synthesis through regulation of the eukaryotic initiation factor 4E (eIF4E) and eIF4E binding protein 1 (4EBP1). Taken together, our study provided a novel molecular insight of anticancer activities of ouabain in human cancer cells, which could raise the hope of using cardiac glycosides for cancer therapeutics more rational.
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Affiliation(s)
- Jie Du
- Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-sen University, Jiangmen, China.,Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Lijun Jiang
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Fuqiang Chen
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Huantao Hu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Meijuan Zhou
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
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15
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Li X, Zheng J, Chen S, Meng FD, Ning J, Sun SL. Oleandrin, a cardiac glycoside, induces immunogenic cell death via the PERK/elF2α/ATF4/CHOP pathway in breast cancer. Cell Death Dis 2021; 12:314. [PMID: 33762577 PMCID: PMC7990929 DOI: 10.1038/s41419-021-03605-y] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 12/22/2022]
Abstract
Chemotherapeutic agents have been linked to immunogenic cell death (ICD) induction that is capable of augmenting anti-tumor immune surveillance. The cardiac glycoside oleandrin, which inhibits Na+/K+-ATPase pump (NKP), has been shown to suppress breast cancer growth via inducing apoptosis. In the present study, we showed that oleandrin treatment triggered breast cancer cell ICD by inducing calreticulin (CRT) exposure on cell surface and the release of high-mobility group protein B1 (HMGB1), heat shock protein 70/90 (HSP70/90), and adenosine triphosphate (ATP). The maturation and activation of dendritic cells (DCs) were increased by co-culturing with the oleandrin-treated cancer cells, which subsequently enhanced CD8+ T cell cytotoxicity. Murine breast cancer cell line EMT6 was engrafted into BALB/c mice, and tumor-bearing mice were administered with oleandrin intraperitoneally every day. Oleandrin inhibited tumor growth and increased tumor infiltrating lymphocytes including DCs and T cells. Furthermore, the differential mRNA expression incurred by oleandrin was investigated by mRNA sequencing and subsequently confirmed by quantitative real-time polymerase chain reaction (qRT-PCR) and western blotting. Mechanistically, oleandrin induced endoplasmic reticulum (ER) stress-associated, caspase-independent ICD mainly through PERK/elF2α/ATF4/CHOP pathway. Pharmacological and genetic inhibition of protein kinase R-like ER kinase (PERK) suppressed oleandrin-triggered ICD. Taken together, our findings showed that oleandrin triggered ER stress and induced ICD-mediated immune destruction of breast cancer cells. Oleandrin combined with immune checkpoint inhibitors might improve the efficacy of immunotherapy.
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Affiliation(s)
- Xiaoxi Li
- Central Laboratory, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, 110042, People's Republic of China
| | - Jian Zheng
- Department of Thoracic Cancer, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, 110042, People's Republic of China
| | - Shi Chen
- Central Laboratory, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, 110042, People's Republic of China
| | - Fan-Dong Meng
- Molecular Oncology Laboratory of Cancer Research Institute, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, People's Republic of China
| | - Jing Ning
- Department of General Medicine (VIP ward) & Department of Tumor Supportive and Palliative Medicine, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, 110042, People's Republic of China
| | - Shu-Lan Sun
- Central Laboratory, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning, 110042, People's Republic of China.
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16
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Mohapatra S, Biswal AK, Dandapat J, Debata PR. Leaf Extract of Nerium oleander L. Inhibits Cell Proliferation, Migration and Arrest of Cell Cycle at G2/M Phase in HeLa Cervical Cancer Cell. Anticancer Agents Med Chem 2021; 21:649-657. [PMID: 32781975 DOI: 10.2174/1871520620666200811121400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 05/18/2020] [Accepted: 06/03/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Cervical cancer is one of the most common gynaecological malignant tumors reported in women. Although a number of early screening and treatment options are available, mortality due to cervical cancer remains high. Nerium oleander L. is a potential medicinal plant that possesses a wide spectrum of pharmacological and physiological activities including anticancer activities. OBJECTIVE This study aims to evaluate the antiproliferative activity, inhibition of cell migration and cell cycle arrest by the chloroform extract of leaves of Nerium Oleander L. in HeLa cervical cancer cells. The chloroform extract of Catharanthus roseus which contains anti-cancer compounds, Vinblastin and Vincristin, was used as a positive control for this study. METHODS The chloroform extracts of Nerium oleander L. and Catharanthus roseus were prepared using the standard protocol. The cytotoxic effects were studied by MTT assay. Cell migration was studied by in vitro scratch assay. Analysis of the cell cycle was carried out by Propidium iodide staining and Flow Cytometry. The expression level of various proteins was evaluated by immunocytochemistry. RESULTS In this study, we showed that the leaf extract of Nerium oleander inhibited the growth of HeLa cervical cancer cells in culture and inhibited cell migration. Besides, it arrested the cell cycle at the G2/M phase. The Epidermal Growth Factor Receptor (EGFR) expression and phosphorylated p-Rb (Ser 780) level were significantly downregulated by leaf extract of Nerium oleander. CONCLUSION The extract of Nerium oleander L. contains potential bioactive compounds that inhibit HeLa cell proliferation, cell migration and arrest cell cycle at the G2/M phase.
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Affiliation(s)
- Shubhasmita Mohapatra
- P.G. Department of Zoology, North Orissa University, Takatpur, Baripada, Mayurbhanj, Odisha, 757003, India
| | - Anil K Biswal
- P.G. Department of Botany, North Orissa University, Takatpur, Baripada, Mayurbhanj, Odisha, 757003, India
| | - Jagnehswar Dandapat
- P.G. Department of Biotechnology, Utkal University, Vani Vihar, Bhubaneswar Odisha, 751004, India
| | - Priya R Debata
- P.G. Department of Zoology, North Orissa University, Takatpur, Baripada, Mayurbhanj, Odisha, 757003, India
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17
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Khan YH, Uttra AM, Qasim S, Mallhi TH, Alotaibi NH, Rasheed M, Alzarea AI, Iqbal MS, Alruwaili NK, Khan SUD, Alanazi AS. Potential Role of Phytochemicals Against Matrix Metalloproteinase Induced Breast Cancer; An Explanatory Review. Front Chem 2021; 8:592152. [PMID: 33520928 PMCID: PMC7843438 DOI: 10.3389/fchem.2020.592152] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 11/20/2020] [Indexed: 12/02/2022] Open
Abstract
World Health Organization (WHO) estimated breast cancer as one of the most prevailed malignancy around the globe. Its incident cases are gradually increasing every year, resulting in considerable healthcare burden. The heterogeneity of breast cancer accounts for its differential molecular subtyping, interaction between pathways, DNA damaging, and chronic inflammation. Matrix metalloproteinases (MMPs) are a group of zinc-containing, calcium dependent endopeptidases which play a substantial role in breast carcinogenesis through several mechanisms. These mechanisms include remodeling of extracellular matrix (ECM), cell proliferation, and angiogenesis which promote metastasis and result in tumor progression. In this context, compounds bearing MMP inhibitory potential can serve as potent therapeutic agents in combating MMPs provoked breast cancer. Current systematic review aimed to encompass the details of potent natural lead molecules that can deter MMPs-provoked breast cancer. Following the critical appraisal of literature, a total of n = 44 studies that explored inhibitory effect of phytochemicals on MMPs were included in this review. These phytoconstituents include alkaloids (n = 11), flavonoids (n = 23), terpenoids (n = 7), and lignans (n = 2). The most common inhibitory methods used to evaluate efficacy of these phytoconstituents included Gelatin Zymography, Western Blotting, and real time polymerase chain reaction (RT-PCR) analysis. Moreover, current limitations, challenges, and future directions of using such compounds have been critically discussed. This review underscores the potential implications of phytochemicals in the management of breast cancer which could lessen the growing encumbrance of disease.
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Affiliation(s)
- Yusra Habib Khan
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Sakakah, Saudi Arabia
| | | | - Sumera Qasim
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakakah, Saudi Arabia
| | - Tauqeer Hussain Mallhi
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Sakakah, Saudi Arabia
| | - Nasser Hadal Alotaibi
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Sakakah, Saudi Arabia
| | - Maria Rasheed
- Institute of Pharmacy, Lahore College for Women University, Lahore, Pakistan
| | | | - Muhammad Shahid Iqbal
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | | | - Salah-Ud-Din Khan
- Department of Biochemistry, College of Medicine, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
| | - Abdullah Salah Alanazi
- Department of Clinical Pharmacy, College of Pharmacy, Jouf University, Sakakah, Saudi Arabia
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18
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Xiang JY, Chi YY, Han JX, Xiang H, Xie Q. The Toxicity and Attenuation Methods of Toxic Chinese Materia Medica for its Reasonable Application: A Review. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2021; 49:41-67. [PMID: 33416023 DOI: 10.1142/s0192415x21500038] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Over a millennia, traditional Chinese medicine (TCM) has been used to treat various diseases in China. In recent years, more and more Chinese materia medica (CMM) have been studied in scientific research projects, applied in clinical practice, and their extracts have even appeared in some health products. However, the toxicity of some CMM is often overlooked, including hepatotoxicity, nephrotoxicity, neurotoxicity, cardiotoxicity, etc. In this review, the toxic components and their toxicological mechanisms of some toxic CMM were listed according to the chemical structure classification of toxic components. Afterwards, the traditional methods (processing and compatibility) and modern methods (structural modification, biotransformation, etc.) of attenuation of CMM were discussed. Since ancient times, it has been said that "fight fire with fire, fight poison with poison," and toxic CMM are of great significance in the treatment of difficult and severe diseases. The rational application of toxic CMM and their components in clinical practice was also exemplified in this review. While the pharmacological effects of TCMs have been emphasized, the scientific attenuation and rational application of toxic components should be concerned. We hope this review can provide a reference for future related research.
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Affiliation(s)
- Jun-Yan Xiang
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Yan-Yu Chi
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Jin-Xin Han
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Hongyu Xiang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, Jilin 130012, People's Republic of China.,National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P. R. China.,School of Life Sciences, Jilin University, Changchun, Jilin 130012, P. R. China
| | - Qiuhong Xie
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, Jilin 130012, People's Republic of China.,National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, P. R. China.,School of Life Sciences, Jilin University, Changchun, Jilin 130012, P. R. China
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19
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Weng JR, Lin WY, Bai LY, Hu JL, Feng CH. Antitumor Activity of the Cardiac Glycoside αlDiginoside by Modulating Mcl-1 in Human Oral Squamous Cell Carcinoma Cells. Int J Mol Sci 2020; 21:ijms21217947. [PMID: 33114727 PMCID: PMC7663359 DOI: 10.3390/ijms21217947] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/16/2020] [Accepted: 10/22/2020] [Indexed: 02/06/2023] Open
Abstract
We recently isolated a cardiac glycoside (CG), αldiginoside, from an indigenous plant in Taiwan, which exhibits potent tumor-suppressive efficacy in oral squamous cell carcinoma (OSCC) cell lines (SCC2095 and SCC4, IC50 < 0.2 µM; 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assays). Here, we report that αldiginoside caused Sphase arrest and apoptosis, through the inhibition of a series of signaling pathways, including those mediated by cyclin E, phospho-CDC25C (p-CDC25C), and janus kinase/signal transducer and activator of transcription (JAK/STAT)3. αldiginoside induced apoptosis, as indicated by caspase activation and poly (ADP-ribose) polymerase (PARP) cleavage. Equally important, αldiginoside reduced Mcl-1 expression through protein degradation, and overexpression of Mcl-1 partially protected SCC2095 cells from αldiginoside’s cytotoxicity. Taken together, these data suggest the translational potential of αldiginoside to foster new therapeutic strategies for OSCC treatment.
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Affiliation(s)
- Jing-Ru Weng
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Department of Biotechnology, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei 11042, Taiwan
- Correspondence: ; Tel.: +886-7-525-2000 (ext. 5026); Fax: +886-7-525-5020
| | - Wei-Yu Lin
- Department of Pharmacy, Kinmen Hospital, Kinmen 89142, Taiwan;
| | - Li-Yuan Bai
- Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan; (L.-Y.B.); (J.-L.H.)
- College of Medicine, China Medical University, Taichung 40402, Taiwan
| | - Jing-Lan Hu
- Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, Taichung 40447, Taiwan; (L.-Y.B.); (J.-L.H.)
| | - Chia-Hsien Feng
- Department of Fragrance and Cosmetic Science, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
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20
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Cytotoxicity of Oleandrin Is Mediated by Calcium Influx and by Increased Manganese Uptake in Saccharomyces cerevisiae Cells. Molecules 2020; 25:molecules25184259. [PMID: 32957533 PMCID: PMC7570853 DOI: 10.3390/molecules25184259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/09/2020] [Accepted: 09/15/2020] [Indexed: 11/22/2022] Open
Abstract
Oleandrin, the main component of Nerium oleander L. extracts, is a cardiotoxic glycoside with multiple pharmacological implications, having potential anti-tumoral and antiviral characteristics. Although it is accepted that the main mechanism of oleandrin action is the inhibition of Na+/K+-ATPases and subsequent increase in cell calcium, many aspects which determine oleandrin cytotoxicity remain elusive. In this study, we used the model Saccharomyces cerevisiae to unravel new elements accounting for oleandrin toxicity. Using cells expressing the Ca2+-sensitive photoprotein aequorin, we found that oleandrin exposure resulted in Ca2+ influx into the cytosol and that failing to pump Ca2+ from the cytosol to the vacuole increased oleandrin toxicity. We also found that oleandrin exposure induced Mn2+ accumulation by yeast cells via the plasma membrane Smf1 and that mutants with defects in Mn2+ homeostasis are oleandrin-hypersensitive. Our data suggest that combining oleandrin with agents which alter Ca2+ or Mn2+ uptake may be a way of controlling oleandrin toxicity.
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21
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Colapietro A, Yang P, Rossetti A, Mancini A, Vitale F, Martellucci S, Conway TL, Chakraborty S, Marampon F, Mattei V, Gravina GL, Biordi AL, Wei D, Newman RA, Festuccia C. The Botanical Drug PBI-05204, a Supercritical CO 2 Extract of Nerium Oleander, Inhibits Growth of Human Glioblastoma, Reduces Akt/mTOR Activities, and Modulates GSC Cell-Renewal Properties. Front Pharmacol 2020; 11:552428. [PMID: 33013390 PMCID: PMC7516200 DOI: 10.3389/fphar.2020.552428] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 08/24/2020] [Indexed: 12/12/2022] Open
Abstract
Glioblastoma multiform (GBM) is the most common primary glial tumor resulting in very low patient survival despite current extensive therapeutic efforts. Emerging evidence suggests that more effective treatments are required to overcome tumor heterogeneity, drug resistance and a complex tumor-supporting microenvironment. PBI-05204 is a specifically formulated botanical drug consisting of a modified supercritical C02 extract of Nerium oleander that has undergone both phase I and phase II clinical trials in the United States for treatment of patients with a variety of advanced cancers. The present study was designed to investigate the antitumor efficacy of this botanical drug against glioblastoma using both in vitro and in vivo cancer models as well as exploring efficacy against glioblastoma stem cells. All three human GBM cell lines, U87MG, U251, and T98G, were inhibited by PBI-05204 in a concentration dependent manner that was characterized by induction of apoptosis as evidenced by increased ANNEXIN V staining and caspase activities. The expression of proteins associated with both Akt and mTOR pathway was suppressed by PBI-05240 in all treated human GBM cell lines. PBI-05204 significantly suppressed U87 spheroid formation and the expression of important stem cell markers such as SOX2, CD44, and CXCR4. Oral administration of PBI-05204 resulted in a dose-dependent inhibition of U87MG, U251, and T98G xenograft growth. Additionally, PBI-05204–treated mice carrying U87-Luc cells as an orthotropic model exhibited significantly delayed onset of tumor proliferation and significantly increased overall survival. Immunohistochemical staining of xenograft derived tumor sections revealed dose-dependent declines in expression of Ki67 and CD31 positive stained cells but increased TUNEL staining. PBI-05204 represents a novel therapeutic botanical drug approach for treatment of glioblastoma as demonstrated by significant responses with in vivo tumor models. Both in vitro cell culture and immunohistochemical studies of tumor tissue suggest drug induction of tumor cell apoptosis and inhibition of PI3k/mTOR pathways as well as cancer stemness. Given the fact that PBI-05204 has already been examined in phase I and II clinical trials for cancer patients, its efficacy when combined with standard of care chemotherapy and radiotherapy should be explored in future clinical trials of this difficult to treat brain cancer.
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Affiliation(s)
- Alessandro Colapietro
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Peiying Yang
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Alessandra Rossetti
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Andrea Mancini
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Flora Vitale
- Laboratory of Neurophysiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Stefano Martellucci
- Laboratory of Cellular Pathology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy.,Laboratory of Experimental Medicine and Environmental Pathology, University Hub "Sabina Universitas", Rieti, Italy
| | - Tara L Conway
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Sharmistha Chakraborty
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Francesco Marampon
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Vincenzo Mattei
- Laboratory of Neurophysiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Giovanni Luca Gravina
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy.,Division of Radiation Oncology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Assunta Leda Biordi
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Daoyan Wei
- Department of Gastroenterology, Hepatology, and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | | | - Claudio Festuccia
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
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22
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Kanwal N, Rasul A, Hussain G, Anwar H, Shah MA, Sarfraz I, Riaz A, Batool R, Shahbaz M, Hussain A, Selamoglu Z. Oleandrin: A bioactive phytochemical and potential cancer killer via multiple cellular signaling pathways. Food Chem Toxicol 2020; 143:111570. [PMID: 32640345 DOI: 10.1016/j.fct.2020.111570] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/26/2020] [Accepted: 06/28/2020] [Indexed: 12/17/2022]
Abstract
Nerium oleander, a member of family Apocynaceae, is commonly known as Kaner in various countries of Asia and Mediterranean region. This plant has been renowned to possess significant therapeutic potential due to its various bioactive compounds which have been isolated from this plant e.g., cardiac glycosides, oleandrin, α-tocopherol, digitoxingenin, urosolic acid, quercetin, odorosides, and adigoside. Oleandrin, a saponin glycoside is one of the most potent and pharmacologically active phytochemicals of N. oleander. Its remarkable pharmacotherapeutic potential have been interpreted as anticancer, anti-inflammatory, anti-HIV, neuroprotective, antimicrobial and antioxidant. This particular bioactive entity is known to target the multiple deregulated signaling cascades of cancer such as NF-κB, MAPK, and PI3K/Akt. The main focus of the current study is to comprehend the action mechanisms of oleandrin against various pathological conditions. The current review is a comprehensive summary to facilitate the researchers to understand the pharmacological position of the oleandrin in the arena of drug discovery, representing this compound as a new drug candidate for further researches. Moreover, in vivo and in silico based studies are required to explore the mechanistic approaches regarding the pharmacokinetics and biosafety profiling of this compound to completely track its candidature status in natural drug discovery.
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Affiliation(s)
- Nazia Kanwal
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Azhar Rasul
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan.
| | - Ghulam Hussain
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Haseeb Anwar
- Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Muhammad Ajmal Shah
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, 38000, Pakistan.
| | - Iqra Sarfraz
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Ammara Riaz
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Rabia Batool
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Muhammad Shahbaz
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Arif Hussain
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad, 38000, Pakistan
| | - Zeliha Selamoglu
- Department of Medical Biology, Faculty of Medicine, Nigde Omer Halisdemir University, Nidge Campus, 51240, Turkey
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Abstract
The aim of this study was to evaluate the comparative effects of CGs on heart physiology. Twenty-eight Wistar rats were distributed into four groups (n = 7), control group received NaCl 0.9% every 24 h for 21 days; treated groups received respectively 50 μg/kg of digoxin (DIG), ouabain (OUA) and oleandrin (OLE) every 24 h for 21 days. Serial ECGs were performed, as well as serum levels of creatinine kinase (CK), its MB fraction, troponin I (cTnI), calcium (Ca2+) and lactic dehydrogenase (LDH). Heart tissue was processed for histology, scanning electron microscopy and Western blot analysis for cTnI, brain natriuretic peptide (BNP), sodium potassium pump alpha-1 and alpha-2. Ventricle samples were also analyzed for thiobarbituric acid reactive substances and antioxidant enzymes (SOD, GPX, and CAT). ECGs showed decrease in QT and progressive shortening of QRS. No arrhythmias were observed. No significant differences were associated with CGs treatment and serum levels of CK, CK-MB, and cTnI. Only oleandrin increased LDH levels. Histological analysis showed degenerative changes and only oleandrin promoted moderate focal necrosis of cardiomyocytes. Scanning microscopy also confirmed the greatest effect of oleandrin, with rupture and shortening of cardiac fibers. The expression of troponin I and alpha-1 isoform were not altered, however, the protein levels of BNP and alpha-2 were higher in the groups that received oleandrin and ouabain in relation to the digoxin group. All GCs affected the production of ROS, without causing lipid peroxidation, through the activation of different antioxidant pathways. It is concluded that the administration of digoxin, ouabain, and oleandrin at 50 µg/kg for 21 days caused cardiovascular damage that represent an important limitation into its future use in heart failure and antineoplastic therapy.
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Ko YS, Jin H, Park SW, Kim HJ. Salvianolic acid B protects against oxLDL-induced endothelial dysfunction under high-glucose conditions by downregulating ROCK1-mediated mitophagy and apoptosis. Biochem Pharmacol 2020; 174:113815. [DOI: 10.1016/j.bcp.2020.113815] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 01/15/2020] [Indexed: 01/28/2023]
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Yun HH, Kim S, Kuh HJ, Lee JH. Downregulation of BIS sensitizes A549 cells for digoxin-mediated inhibition of invasion and migration by the STAT3-dependent pathway. Biochem Biophys Res Commun 2020; 524:643-648. [PMID: 32029272 DOI: 10.1016/j.bbrc.2020.01.154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/26/2020] [Accepted: 01/27/2020] [Indexed: 11/15/2022]
Abstract
Digoxin, a compound of the cardiac glycoside family, was originally prescribed for heart failure but has recently been rediscovered for its potent antitumor activity. However, it has a narrow therapeutic margin due to its cardiotoxicity, limiting its safe use as an antitumor agent in clinical practice. To widen its therapeutic margin, we investigated whether the antitumor effect of digoxin is potentiated by the depletion of BCL-2-interacting cell death suppressor (BIS) in A549 lung cancer cells. BIS is a multifunctional protein that is frequently overexpressed in most human cancers including lung cancer. Our results demonstrated that the inhibitory potential of digoxin on the migratory behavior of A549 cells is significantly enhanced by BIS depletion as assessed by transwell assay and collagen-incorporated 3D spheroid culture. Western blotting revealed that combination treatment significantly reduces p-STAT3 expression. In addition, a STAT3 inhibitor substantially suppressed the aggressive phenotypes of A549 cells. Thus, our results suggest that loss of STAT3 activity is a possible molecular mechanism for the synergistic effect of digoxin and BIS depletion. Our findings suggest the sensitizing role of BIS silencing to reduce the dose of digoxin for treatment of lung cancer with a high metastatic potential.
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Affiliation(s)
- Hye Hyeon Yun
- Department of Biochemistry, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea; Institute of Aging and Metabolic Diseases, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea
| | - Seulki Kim
- Department of Biomedicine & Health Sciences, Graduate School, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea; Department of Medical Life Sciences, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea
| | - Hyo-Jeong Kuh
- Department of Medical Life Sciences, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea
| | - Jeong-Hwa Lee
- Department of Biochemistry, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea; Institute of Aging and Metabolic Diseases, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea.
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26
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Oleandrin induces apoptosis via activating endoplasmic reticulum stress in breast cancer cells. Biomed Pharmacother 2020; 124:109852. [PMID: 31972357 DOI: 10.1016/j.biopha.2020.109852] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 12/27/2019] [Accepted: 01/10/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Breast cancer is the most common malignant tumor in women. Due to limited treatment outcome and high rate of metastasis, the prognosis is especially poor for triple-negative breast cancer. It is urgent to discover and develop novel agents for treatment of breast cancer. Herein, we investigated the potential mechanisms of Oleandrin's (a cardiac glycoside) cytotoxic activity against breast cancer cells. METHODS Cell proliferation was assessed by xCELLigence Real-Time Cell Analyzer (RTCA)-MP system. Apoptotic cells were detected by using Annexin V/PI staining and nuclear fragments observation. The effect of oleandrin on ATP1B3 expression and markers of ER stress were determined by western blot. A primary cell sensitivity assay was performed via a collagen gel droplet-embedded culture drug sensitivity method (CD-DST). RESULTS Oleandrin suppressed cell proliferation and colony formation in the three breast cancer cell lines but did not affect normal mammary epithelial cells. Additionally, the expression of ATP1B3 was higher in the three breast cancer cell lines compared to MCF10A cells. Treatment with oleandrin increased the number of apoptotic cells and led to nuclear pyknosis, fragmentation, and apoptotic body formation in breast cancer cells. Furthermore, oleandrin treatment increased expression of Bax and Bim but decreased that of Bcl-2. Treatment with oleandrin also upregulated the expression of endoplasmic reticulum stress associated proteins, including eIF2α, ATF4, and CHOP, but not PERK. oleandrin treatment also induced the phosphorylation of PERK and eIF2α. Of note, oleandrin exhibited antitumor effects on patient-derived breast cancer cells under three-dimensional culture conditions. CONCLUSIONS Taken together, our results suggest that oleandrin induces mitochondrial-mediated apoptosis by activating endoplasmic reticulum stress in breast cancer. Moreover, oleandrin may be an effective strategy for the treatment of breast cancer.
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Ashrafizadeh M, Ahmadi Z, Kotla NG, Afshar EG, Samarghandian S, Mandegary A, Pardakhty A, Mohammadinejad R, Sethi G. Nanoparticles Targeting STATs in Cancer Therapy. Cells 2019; 8:E1158. [PMID: 31569687 PMCID: PMC6829305 DOI: 10.3390/cells8101158] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/20/2019] [Accepted: 09/25/2019] [Indexed: 12/12/2022] Open
Abstract
Over the past decades, an increase in the incidence rate of cancer has been witnessed. Although many efforts have been made to manage and treat this life threatening condition, it is still one of the leading causes of death worldwide. Therefore, scientists have attempted to target molecular signaling pathways involved in cancer initiation and metastasis. It has been shown that signal transducers and activator of transcription (STAT) contributes to the progression of cancer cells. This important signaling pathway is associated with a number of biological processes including cell cycle, differentiation, proliferation and apoptosis. It appears that dysregulation of the STAT signaling pathway promotes the migration, viability and malignancy of various tumor cells. Hence, there have been many attempts to target the STAT signaling pathway. However, it seems that currently applied therapeutics may not be able to effectively modulate the STAT signaling pathway and suffer from a variety of drawbacks such as low bioavailability and lack of specific tumor targeting. In the present review, we demonstrate how nanocarriers can be successfully applied for encapsulation of STAT modulators in cancer therapy.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz 5166616471, Iran.
| | - Zahra Ahmadi
- Department of Basic Science, Shoushtar Branch, Islamic Azad University, Shoushtar 6451741117, Iran.
| | - Niranjan G Kotla
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland Galway, Newcastle, Galway H91 W2TY, Ireland.
| | - Elham Ghasemipour Afshar
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman 7619813159, Iran.
| | - Saeed Samarghandian
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur 9318614139, Iran.
| | - Ali Mandegary
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman 7619813159, Iran.
| | - Abbas Pardakhty
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman 7619813159, Iran.
| | - Reza Mohammadinejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman 7616911319, Iran.
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore.
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Alsamri H, El Hasasna H, Al Dhaheri Y, Eid AH, Attoub S, Iratni R. Carnosol, a Natural Polyphenol, Inhibits Migration, Metastasis, and Tumor Growth of Breast Cancer via a ROS-Dependent Proteasome Degradation of STAT3. Front Oncol 2019; 9:743. [PMID: 31456939 PMCID: PMC6698796 DOI: 10.3389/fonc.2019.00743] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 07/23/2019] [Indexed: 11/13/2022] Open
Abstract
We have previously demonstrated that carnosol, a naturally occurring diterpene, inhibited in vitro cell viability and colony growth, as well as induced cell cycle arrest, autophagy and apoptosis in human triple negative breast cancer (TNBC) cells. In the present study, we evaluated the ability of carnosol to inhibit tumor growth and metastasis in vivo. We found that non-cytotoxic concentrations of carnosol inhibited the migration and invasion of MDA-MB-231 cells in wound healing and matrigel invasion assays. Furthermore, gelatin zymography, ELISA, and RT-PCR assays revealed that carnosol inhibited the activity and downregulation the expression of MMP-9. Mechanistically, we demonstrated that carnosol suppressed the activation of STAT3 signaling pathway through a ROS-dependent targeting of STAT3 to proteasome-degradation in breast cancer cells (MDA-MB-231, Hs578T, MCF-7, and T47D). We show that blockade of proteasome activity, by MG-132 and bortezomib, or ROS accumulation, by N-acetylcysteine (NAC), restored the level of STAT3 protein. In addition, using chick embryo tumor growth assay, we showed that carnosol significantly and markedly suppressed tumor growth and metastasis of breast cancer xenografts. To the best of our knowledge, this is the first report which shows that carnosol specifically targets signal transducer and activator of transcription 3 (STAT3) for proteasome degradation in breast cancer. Our study further provide evidence that carnosol may represent a promising therapeutic candidate that canmodulate breast cancer growth and metastasis.
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Affiliation(s)
- Halima Alsamri
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Hussain El Hasasna
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Yusra Al Dhaheri
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Ali H. Eid
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Samir Attoub
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain, United Arab Emirates
| | - Rabah Iratni
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
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Chen YY, Wen SY, Deng CM, Yin XF, Sun ZH, Jiang MM, He QY. Proteomic Analysis Reveals that Odoroside A Triggers G2/M Arrest and Apoptosis in Colorectal Carcinoma Through ROS-p53 Pathway. Proteomics 2019; 19:e1900092. [PMID: 31294914 DOI: 10.1002/pmic.201900092] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 07/01/2019] [Indexed: 12/16/2022]
Abstract
Odoroside A (OA) is an active ingredient extracted from the leaves of Nerium oleander Linn. (Apocynaceae). This study aims to examine the anticancer bioactivity of OA against CRC cells and to investigate the action mechanisms involved. As a result, OA can significantly inhibit cellular ability and induce apoptosis of CRC cells in a concentration-dependent manner without any obvious cytotoxicity in normal colorectal epithelial cells. Then, quantitative proteomics combined with bioinformatics is adopted to investigate the alterations of proteins and signaling pathways in response to OA treatment. As suggested by the proteomic analysis, flow cytometry and Western blotting analyses validate that exposure of CRC cells to OA causes cell cycle arrest and apoptosis, accompanied with the activation of the ROS/p53 signaling pathway. This observation demonstrates that OA, as a natural product, can induce oxidative stress to suppress tumor cell growth, implicating a novel therapeutic agent against CRC without obvious side effects.
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Affiliation(s)
- Yan-Yan Chen
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, P. R. China
| | - Shi-Yuan Wen
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, P. R. China
| | - Chun-Miao Deng
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, P. R. China
| | - Xing-Feng Yin
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, P. R. China
| | - Zheng-Hua Sun
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, P. R. China
| | - Miao-Miao Jiang
- Institute of Traditional Chinese Medicine Research, Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, P. R. China
| | - Qing-Yu He
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, 510632, P. R. China
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