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Li K, Guo Z, Bai L. Digitoxose as powerful glycosyls for building multifarious glycoconjugates of natural products and un-natural products. Synth Syst Biotechnol 2024; 9:701-712. [PMID: 38868608 PMCID: PMC11167396 DOI: 10.1016/j.synbio.2024.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 05/17/2024] [Accepted: 05/24/2024] [Indexed: 06/14/2024] Open
Abstract
Digitoxose, a significant 2,6-dideoxyhexose found in nature, exists in many small-molecule natural products. These digitoxose-containing natural products can be divided into steroids, macrolides, macrolactams, anthracyclines, quinones, enediynes, acyclic polyene, indoles and oligosaccharides, that exhibit antibacterial, anti-viral, antiarrhythmic, and antitumor activities respectively. As most of digitoxose-containing natural products for clinical application or preclinical tests, this review also summarizes the biosynthesis of digitoxose, and application of compound diversification by introducing sugar plasmids. It may provide a practical approach to expanding the diversity of digitoxose-containing products.
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Affiliation(s)
- Kemeng Li
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- NHC Key Laboratory of Biotechnology of Antibiotics, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Zhengyan Guo
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- NHC Key Laboratory of Biotechnology of Antibiotics, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Liping Bai
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- NHC Key Laboratory of Biotechnology of Antibiotics, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, 830011, China
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Contreras RG, Torres-Carrillo A, Flores-Maldonado C, Shoshani L, Ponce A. Na +/K +-ATPase: More than an Electrogenic Pump. Int J Mol Sci 2024; 25:6122. [PMID: 38892309 PMCID: PMC11172918 DOI: 10.3390/ijms25116122] [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: 03/26/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
The sodium pump, or Na+/K+-ATPase (NKA), is an essential enzyme found in the plasma membrane of all animal cells. Its primary role is to transport sodium (Na+) and potassium (K+) ions across the cell membrane, using energy from ATP hydrolysis. This transport creates and maintains an electrochemical gradient, which is crucial for various cellular processes, including cell volume regulation, electrical excitability, and secondary active transport. Although the role of NKA as a pump was discovered and demonstrated several decades ago, it remains the subject of intense research. Current studies aim to delve deeper into several aspects of this molecular entity, such as describing its structure and mode of operation in atomic detail, understanding its molecular and functional diversity, and examining the consequences of its malfunction due to structural alterations. Additionally, researchers are investigating the effects of various substances that amplify or decrease its pumping activity. Beyond its role as a pump, growing evidence indicates that in various cell types, NKA also functions as a receptor for cardiac glycosides like ouabain. This receptor activity triggers the activation of various signaling pathways, producing significant morphological and physiological effects. In this report, we present the results of a comprehensive review of the most outstanding studies of the past five years. We highlight the progress made regarding this new concept of NKA and the various cardiac glycosides that influence it. Furthermore, we emphasize NKA's role in epithelial physiology, particularly its function as a receptor for cardiac glycosides that trigger intracellular signals regulating cell-cell contacts, proliferation, differentiation, and adhesion. We also analyze the role of NKA β-subunits as cell adhesion molecules in glia and epithelial cells.
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Affiliation(s)
| | | | | | | | - Arturo Ponce
- Department of Physiology, Biophysics and Neurosciences, CINVESTAV-IPN, Mexico City 07360, Mexico; (R.G.C.); (A.T.-C.); (C.F.-M.); (L.S.)
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Chen XJ, Liu SY, Li SM, Feng JK, Hu Y, Cheng XZ, Hou CZ, Xu Y, Hu M, Feng L, Xiao L. The recent advance and prospect of natural source compounds for the treatment of heart failure. Heliyon 2024; 10:e27110. [PMID: 38444481 PMCID: PMC10912389 DOI: 10.1016/j.heliyon.2024.e27110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 02/15/2024] [Accepted: 02/23/2024] [Indexed: 03/07/2024] Open
Abstract
Heart failure is a continuously developing syndrome of cardiac insufficiency caused by diseases, which becomes a major disease endangering human health as well as one of the main causes of death in patients with cardiovascular diseases. The occurrence of heart failure is related to hemodynamic abnormalities, neuroendocrine hormones, myocardial damage, myocardial remodeling etc, lead to the clinical manifestations including dyspnea, fatigue and fluid retention with complex pathophysiological mechanisms. Currently available drugs such as cardiac glycoside, diuretic, angiotensin-converting enzyme inhibitor, vasodilator and β receptor blocker etc are widely used for the treatment of heart failure. In particular, natural products and related active ingredients have the characteristics of mild efficacy, low toxicity, multi-target comprehensive efficacy, and have obvious advantages in restoring cardiac function, reducing energy disorder and improving quality of life. In this review, we mainly focus on the recent advance including mechanisms and active ingredients of natural products for the treatment of heart failure, which will provide the inspiration for the development of more potent clinical drugs against heart failure.
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Affiliation(s)
- Xing-Juan Chen
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Si-Yuan Liu
- Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Si-Ming Li
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | | | - Ying Hu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Xiao-Zhen Cheng
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Cheng-Zhi Hou
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Yun Xu
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Mu Hu
- Peking University International Hospital, Beijing, 102206, China
| | - Ling Feng
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Lu Xiao
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
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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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Shrivastava-Ranjan P, Jain S, Chatterjee P, Montgomery JM, Flint M, Albariño C, Spiropoulou CF. Development of a novel minigenome and recombinant VSV expressing Seoul hantavirus glycoprotein-based assays to identify anti-hantavirus therapeutics. Antiviral Res 2023; 214:105619. [PMID: 37142192 DOI: 10.1016/j.antiviral.2023.105619] [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: 01/19/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/06/2023]
Abstract
Seoul virus (SEOV) is an emerging global health threat that can cause hemorrhagic fever with renal syndrome (HFRS), which results in case fatality rates of ∼2%. There are no approved treatments for SEOV infections. We developed a cell-based assay system to identify potential antiviral compounds for SEOV and generated additional assays to characterize the mode of action of any promising antivirals. To test if candidate antivirals targeted SEOV glycoprotein-mediated entry, we developed a recombinant reporter vesicular stomatitis virus expressing SEOV glycoproteins. To facilitate the identification of candidate antiviral compounds targeting viral transcription/replication, we successfully generated the first reported minigenome system for SEOV. This SEOV minigenome (SEOV-MG) screening assay will also serve as a prototype assay for discovery of small molecules inhibiting replication of other hantaviruses, including Andes and Sin Nombre viruses. Ours is a proof-of-concept study in which we tested several compounds previously reported to have activity against other negative-strand RNA viruses using our newly developed hantavirus antiviral screening systems. These systems can be used under lower biocontainment conditions than those needed for infectious viruses, and identified several compounds with robust anti-SEOV activity. Our findings have important implications for the development of anti-hantavirus therapeutics.
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Affiliation(s)
- Punya Shrivastava-Ranjan
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Shilpi Jain
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Payel Chatterjee
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Joel M Montgomery
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Mike Flint
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - César Albariño
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Christina F Spiropoulou
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA.
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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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Cai J, Zhang BD, Li YQ, Zhu WF, Akihisa T, Kikuchi T, Xu J, Liu WY, Feng F, Zhang J. Cardiac glycosides from the roots of Streblus asper Lour. with activity against Epstein-Barr virus lytic replication. Bioorg Chem 2022; 127:106004. [PMID: 35843015 DOI: 10.1016/j.bioorg.2022.106004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/28/2022] [Accepted: 06/30/2022] [Indexed: 11/15/2022]
Abstract
Cardiac glycosides (CGs) show potential broad-spectrum antiviral activity by targeting cellular host proteins. Herein are reported the isolation of five new (1-5) and eight known (7-13) CGs from the roots of Streblus asper Lour. Of these compounds 1 and 7 exhibited inhibitory action against EBV early antigen (EA) expression, with half-maximal effective concentration values (EC50) being less than 60 nM, and they also showed selectivity, with selectivity index (SI) values being 56.80 and 103.17, respectively. Preliminary structure activity relationships indicated that the C-10 substituent, C-5 hydroxy groups, and C-3 sugar unit play essential roles in the mediation of the inhibitory activity of CGs against EBV. Further enzyme experiments demonstrated that these compounds might inhibit ion pump function and thereby change the intracellular signal transduction pathway by binding to Na+/K+-ATPase, as validated by simulated molecular docking. This study is the first report that CGs can effectively limit EBV lytic replication, and the observations made in this study may be of value for lead compound development.
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Affiliation(s)
- Jing Cai
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Bo-Dou Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Yu-Qi Li
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Wan-Fang Zhu
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China; School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Toshihiro Akihisa
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China; Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Takashi Kikuchi
- Faculty of Pharmaceutical Sciences, Toho University, Chiba 274-8510, Japan
| | - Jian Xu
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Wen-Yuan Liu
- School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Feng Feng
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China; Jiangsu Food and Pharmaceutical Science College, Huaian 223003, China
| | - Jie Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China; Jiangsu Food and Pharmaceutical Science College, Huaian 223003, China.
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Ren J, Gao X, Guo X, Wang N, Wang X. Research Progress in Pharmacological Activities and Applications of Cardiotonic Steroids. Front Pharmacol 2022; 13:902459. [PMID: 35721110 PMCID: PMC9205219 DOI: 10.3389/fphar.2022.902459] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/11/2022] [Indexed: 12/21/2022] Open
Abstract
Cardiotonic steroids (CTS) are a group of compounds existing in animals and plants. CTS are commonly referred to cardiac glycosides (CGs) which are composed of sugar residues, unsaturated lactone rings and steroid cores. Their traditional mechanism of action is to inhibit sodium-potassium ATPase to strengthen the heart and regulate heart rate, so it is currently widely used in the treatment of cardiovascular diseases such as heart failure and tachyarrhythmia. It is worth noticing that recent studies have found an avalanche of inestimable values of CTS applications in many fields such as anti-tumor, anti-virus, neuroprotection, and immune regulation through multi-molecular mechanisms. Thus, the pharmacological activities and applications of CTS have extensive prospects, which would provide a direction for new drug research and development. Here, we review the potential applications of CTS in cardiovascular system and other systems. We also provide suggestions for new clinical practical strategies of CTS, for many diseases. Four main themes will be discussed, in relation to the impact of CTS, on 1) tumors, 2) viral infections, 3) nervous system diseases and 4) immune-inflammation-related diseases.
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Affiliation(s)
- Junwei Ren
- Key Laboratory of Cardiovascular Medicine Research, Department of Pharmacology, Ministry of Education, Harbin Medical University, Harbin, China
| | - Xinyuan Gao
- Key Laboratory of Cardiovascular Medicine Research, Department of Pharmacology, Ministry of Education, Harbin Medical University, Harbin, China
| | - Xi Guo
- Thyroid Surgery, Affiliated Cancer Hospital, Harbin Medical University, Harbin, China
| | - Ning Wang
- Key Laboratory of Cardiovascular Medicine Research, Department of Pharmacology, Ministry of Education, Harbin Medical University, Harbin, China
| | - Xin Wang
- Department of Pharmacy, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
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Cardiac Glycosides as Autophagy Modulators. Cells 2021; 10:cells10123341. [PMID: 34943848 PMCID: PMC8699753 DOI: 10.3390/cells10123341] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 12/26/2022] Open
Abstract
Drug repositioning is one of the leading strategies in modern therapeutic research. Instead of searching for completely novel substances and demanding studies of their biological effects, much attention has been paid to the evaluation of commonly used drugs, which could be utilized for more distinct indications than they have been approved for. Since treatment approaches for cancer, one of the most extensively studied diseases, have still been very limited, great effort has been made to find or repurpose novel anticancer therapeutics. One of these are cardiac glycosides, substances commonly used to treat congestive heart failure or various arrhythmias. Recently, the antitumor properties of cardiac glycosides have been discovered and, therefore, these compounds are being considered for anticancer therapy. Their mechanism of antitumor action seems to be rather complex and not fully uncovered yet, however, autophagy has been confirmed to play a key role in this process. In this review article, we report on the up-to-date knowledge of the anticancer activity of cardiac glycosides with special attention paid to autophagy induction, the molecular mechanisms of this process, and the potential employment of this phenomenon in clinical practice.
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