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Hu Y, Dong Z, Liu K. Unraveling the complexity of STAT3 in cancer: molecular understanding and drug discovery. J Exp Clin Cancer Res 2024; 43:23. [PMID: 38245798 PMCID: PMC10799433 DOI: 10.1186/s13046-024-02949-5] [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: 11/08/2023] [Accepted: 01/08/2024] [Indexed: 01/22/2024] Open
Abstract
Signal transducer and activator of transcription 3 (STAT3) is a transcriptional factor involved in almost all cancer hallmark features including tumor proliferation, metastasis, angiogenesis, immunosuppression, tumor inflammation, metabolism reprogramming, drug resistance, cancer stemness. Therefore, STAT3 has become a promising therapeutic target in a wide range of cancers. This review focuses on the up-to-date knowledge of STAT3 signaling in cancer. We summarize both the positive and negative modulators of STAT3 together with the cancer hallmarks involving activities regulated by STAT3 and highlight its extremely sophisticated regulation on immunosuppression in tumor microenvironment and metabolic reprogramming. Direct and indirect inhibitors of STAT3 in preclinical and clinical studies also have been summarized and discussed. Additionally, we highlight and propose new strategies of targeting STAT3 and STAT3-based combinations with established chemotherapy, targeted therapy, immunotherapy and combination therapy. These efforts may provide new perspectives for STAT3-based target therapy in cancer.
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Affiliation(s)
- Yamei Hu
- Tianjian Laboratory for Advanced Biomedical Sciences, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
- Medical Research Center, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Zigang Dong
- Tianjian Laboratory for Advanced Biomedical Sciences, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China.
- China-US (Henan) Hormel Cancer Institute, Zhengzhou, 450008, Henan, China.
- Cancer Chemoprevention International Collaboration Laboratory, Zhengzhou, Henan, China.
| | - Kangdong Liu
- Tianjian Laboratory for Advanced Biomedical Sciences, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China.
- China-US (Henan) Hormel Cancer Institute, Zhengzhou, 450008, Henan, China.
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou, Henan, China.
- Provincial Cooperative Innovation Center for Cancer Chemoprevention, Zhengzhou, Henan, China.
- Cancer Chemoprevention International Collaboration Laboratory, Zhengzhou, Henan, China.
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2
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Fotie J, Matherne CM, Mather JB, Wroblewski JE, Johnson K, Boudreaux LG, Perez AA. The Fundamental Role of Oxime and Oxime Ether Moieties in Improving the Physicochemical and Anticancer Properties of Structurally Diverse Scaffolds. Int J Mol Sci 2023; 24:16854. [PMID: 38069175 PMCID: PMC10705934 DOI: 10.3390/ijms242316854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 11/22/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
The present review explores the critical role of oxime and oxime ether moieties in enhancing the physicochemical and anticancer properties of structurally diverse molecular frameworks. Specific examples are carefully selected to illustrate the distinct contributions of these functional groups to general strategies for molecular design, modulation of biological activities, computational modeling, and structure-activity relationship studies. An extensive literature search was conducted across three databases, including PubMed, Google Scholar, and Scifinder, enabling us to create one of the most comprehensive overviews of how oximes and oxime ethers impact antitumor activities within a wide range of structural frameworks. This search focused on various combinations of keywords or their synonyms, related to the anticancer activity of oximes and oxime ethers, structure-activity relationships, mechanism of action, as well as molecular dynamics and docking studies. Each article was evaluated based on its scientific merit and the depth of the study, resulting in 268 cited references and more than 336 illustrative chemical structures carefully selected to support this analysis. As many previous reviews focus on one subclass of this extensive family of compounds, this report represents one of the rare and fully comprehensive assessments of the anticancer potential of this group of molecules across diverse molecular scaffolds.
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Affiliation(s)
- Jean Fotie
- Department of Chemistry and Physics, Southeastern Louisiana University, SLU 10878, Hammond, LA 70402-0878, USA; (C.M.M.); (J.B.M.); (J.E.W.); (K.J.); (L.G.B.); (A.A.P.)
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Wendt F, Wittig F, Rupprecht A, Ramer R, Langer P, Emmert S, Frank M, Hinz B. A Thia-Analogous Indirubin N-Glycoside Disrupts Mitochondrial Function and Causes the Death of Human Melanoma and Cutaneous Squamous Cell Carcinoma Cells. Cells 2023; 12:2409. [PMID: 37830623 PMCID: PMC10572502 DOI: 10.3390/cells12192409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 09/08/2023] [Accepted: 09/20/2023] [Indexed: 10/14/2023] Open
Abstract
Skin cancer is the most common malignant disease worldwide and, therefore, also poses a challenge from a pharmacotherapeutic perspective. Derivatives of indirubin are an interesting option in this context. In the present study, the effects of 3-[3'-oxo-benzo[b]thiophen-2'-(Z)-ylidene]-1-(β-d-glucopyranosyl)-oxindole (KD87), a thia-analogous indirubin N-glycoside, on the viability and mitochondrial properties of melanoma (A375) and squamous cell carcinoma cells (A431) of the skin were investigated. In both cell lines, KD87 caused decreased viability, the activation of caspases-3 and -7, and the inhibition of colony formation. At the mitochondrial level, a concentration-dependent decrease in both the basal and ATP-linked oxygen consumption rate and in the reserve capacity of oxidative respiration were registered in the presence of KD87. These changes were accompanied by morphological alterations in the mitochondria, a release of mitochondrial cytochrome c into the cytosol and significant reductions in succinate dehydrogenase complex subunit B (SDHB, subunit of complex II) in A375 and A431 cells and NADH:ubiquinone oxidoreductase subunit B8 (NDUFB8, subunit of complex I) in A375 cells. The effect of KD87 was accompanied by a significant upregulation of the enzyme heme oxygenase-1, whose inhibition led to a partial but significant reduction in the metabolic-activity-reducing effect of KD87. In summary, our data show a mitochondria-targeting effect of KD87 as part of the cytotoxic effect of this compound on skin cancer cells, which should be considered in future studies with this class of compounds.
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Affiliation(s)
- Franziska Wendt
- Institute of Pharmacology and Toxicology, Rostock University Medical Centre, 18057 Rostock, Germany; (F.W.); (F.W.); (A.R.); (R.R.)
| | - Felix Wittig
- Institute of Pharmacology and Toxicology, Rostock University Medical Centre, 18057 Rostock, Germany; (F.W.); (F.W.); (A.R.); (R.R.)
| | - Anne Rupprecht
- Institute of Pharmacology and Toxicology, Rostock University Medical Centre, 18057 Rostock, Germany; (F.W.); (F.W.); (A.R.); (R.R.)
| | - Robert Ramer
- Institute of Pharmacology and Toxicology, Rostock University Medical Centre, 18057 Rostock, Germany; (F.W.); (F.W.); (A.R.); (R.R.)
| | - Peter Langer
- Institute of Organic Chemistry, University of Rostock, 18059 Rostock, Germany;
| | - Steffen Emmert
- Clinic and Policlinic for Dermatology, Rostock University Medical Centre, 18057 Rostock, Germany;
| | - Marcus Frank
- Electron Microscopy Centre, Rostock University Medical Centre, 18057 Rostock, Germany;
- Department Life, Light and Matter, University of Rostock, 18059 Rostock, Germany
| | - Burkhard Hinz
- Institute of Pharmacology and Toxicology, Rostock University Medical Centre, 18057 Rostock, Germany; (F.W.); (F.W.); (A.R.); (R.R.)
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Ahmed MF, El-Haggar R, Almalki AH, Abdullah O, El Hassab MA, Masurier N, Hammad SF. Novel hydrazone-isatin derivatives as potential EGFR inhibitors: Synthesis and in vitro pharmacological profiling. Arch Pharm (Weinheim) 2023; 356:e2300244. [PMID: 37404064 DOI: 10.1002/ardp.202300244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 07/06/2023]
Abstract
Merging isatin and arylhydrazone moieties constitutes an efficient strategy to access new potential anticancer derivatives. Consequently, 14 hydrazone-isatin derivatives were synthesized and evaluated for their antiproliferative activity against the NCI-60 cancer cell line panel. A kinase assay demonstrated that compound VIIIb inhibited the epidermal growth factor receptor (EGFR), which was confirmed by docking studies, molecular dynamics, and binding free energy calculations. Further characterizations showed that this compound possesses drug-likeness properties, showed a significant decrease of the cell population in the G2/M phase and led to a significant increase in early and late apoptosis, comparable to erlotinib. Also, VIIIb increased the expression of caspase-3 and Bax and decreased the expression of Bcl-2, confirming its potential as a new proapoptotic compound.
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Affiliation(s)
- Marwa F Ahmed
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, Taif, Saudi Arabia
| | - Radwan El-Haggar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Cairo, Ain Helwan, Egypt
| | - Atiah H Almalki
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, Taif, Saudi Arabia
- Addition and Neuroscience Research Unit, College of Pharmacy, Taif University, Taif, Al-Hawiah, Saudi Arabia
| | - Omeima Abdullah
- Pharmaceutical Chemistry Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Mahmoud A El Hassab
- Department of Medicinal Chemistry, Faculty of Pharmacy, King Salman International University (KSIU), South Sinai, Egypt
| | - Nicolas Masurier
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, Université de Montpellier, ENSCM, Montpellier, France
| | - Sherif F Hammad
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Cairo, Ain Helwan, Egypt
- Basic and Applied Science Institute, Egypt-Japan University of Science and Technology (E-JUST), New Borg El-Arab City, Alexandria, Egypt
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Zdioruk M, Jimenez-Macias JL, Nowicki MO, Manz KE, Pennell KD, Koch MS, Finkelberg T, Wu B, Boucher P, Takeda Y, Li W, Piranlioglu R, Ling AL, Chiocca EA, Lawler SE. PPRX-1701, a nanoparticle formulation of 6'-bromoindirubin acetoxime, improves delivery and shows efficacy in preclinical GBM models. Cell Rep Med 2023; 4:101019. [PMID: 37060903 PMCID: PMC10213750 DOI: 10.1016/j.xcrm.2023.101019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 12/22/2022] [Accepted: 03/21/2023] [Indexed: 04/17/2023]
Abstract
Derivatives of the Chinese traditional medicine indirubin have shown potential for the treatment of cancer through a range of mechanisms. This study investigates the impact of 6'-bromoindirubin-3'-acetoxime (BiA) on immunosuppressive mechanisms in glioblastoma (GBM) and evaluates the efficacy of a BiA nanoparticle formulation, PPRX-1701, in immunocompetent mouse GBM models. Transcriptomic studies reveal that BiA downregulates immune-related genes, including indoleamine 2,3-dioxygenase 1 (IDO1), a critical enzyme in the tryptophan-kynurenine-aryl hydrocarbon receptor (Trp-Kyn-AhR) immunosuppressive pathway in tumor cells. BiA blocks interferon-γ (IFNγ)-induced IDO1 protein expression in vitro and enhances T cell-mediated tumor cell killing in GBM stem-like cell co-culture models. PPRX-1701 reaches intracranial murine GBM and significantly improves survival in immunocompetent GBM models in vivo. Our results indicate that BiA improves survival in murine GBM models via effects on important immunotherapeutic targets in GBM and that it can be delivered efficiently via PPRX-1701, a nanoparticle injectable formulation of BiA.
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Affiliation(s)
- Mykola Zdioruk
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jorge-Luis Jimenez-Macias
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Pathology and Laboratory Medicine, Department of Neurosurgery, Legorreta Cancer Center, Brown University, Providence, RI 02903, USA
| | - Michal Oskar Nowicki
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Katherine E Manz
- School of Engineering, Brown University, Providence, RI 02912, USA
| | - Kurt D Pennell
- School of Engineering, Brown University, Providence, RI 02912, USA
| | - Marilin S Koch
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Tomer Finkelberg
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bin Wu
- Phosphorex, Inc, Hopkinton, MA 01748, USA; Cytodigm, Inc., Hopkinton, MA 01748, USA
| | | | | | - Weiyi Li
- Phosphorex, Inc, Hopkinton, MA 01748, USA
| | - Raziye Piranlioglu
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Alexander L Ling
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - E Antonio Chiocca
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Sean E Lawler
- Harvey Cushing Neurooncology Laboratories, Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Pathology and Laboratory Medicine, Department of Neurosurgery, Legorreta Cancer Center, Brown University, Providence, RI 02903, USA.
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Zhang Z, Fan K, Meng J, Nie D, Zhao Z, Han Z. Deoxynivalenol hijacks the pathway of Janus kinase 2/signal transducers and activators of transcription 3 (JAK2/STAT-3) to drive caspase-3-mediated apoptosis in intestinal porcine epithelial cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 864:161058. [PMID: 36565876 DOI: 10.1016/j.scitotenv.2022.161058] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/25/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
Deoxynivalenol (DON) can easily injure the intestinal tract, which represents the first barrier against food contaminants. The intestinal toxicity induced by DON was mainly focused on mitogen-activated protein kinase (MAPK) activation, however, the underlying mechanisms by which DON triggers apoptosis by other pathways remain poorly understood. In this study, the Janus kinase 2/signal transducers and activators of transcription 3 (JAK2/STAT-3) pathway was proposed to regulate the intrinsic apoptosis induced by DON and thoroughly investigated in intestinal porcine epithelial cells (IPEC-J2). First, DON was found to be able to efficiently inhibit cell viability and increase the release of lactate dehydrogenase. It could also enhance the activity of the cleaved caspase-3 in a time-dependent manner, accompanied by a loss of mitochondrial membrane potential and an up-regulation of the apoptosis rate. Then, the expression of genes associated with inflammation and apoptosis were investigated. DON increased the expression of IL-6, IL-1β, TNF-α, SOCS3 and Bax, but decreased the expression of Bcl-2 and Bcl-xL. Moreover, we discovered that DON robustly inhibited STAT-3 activity together with the down-regulation of JAK2, Bcl-2 and Bcl-xL, paralleling the increase in p38 phosphorylation. Furthermore, a pharmacological activation of JAK2/STAT-3 alleviated DON induced-apoptosis. Concurrent with the apoptotic pathway, during the initial exposure to DON (first 4 h), a survival pathway involving phosphorylated Erk1/2, Akt, and FoxO1 was also observed. Thus, apoptosis induced by DON was Janus faced: although the survival pathway was activated, the DON-induced apoptotic JAK2/STAT-3/caspase-3 pathway dominated, leading to an imbalance in cell homeostasis. This study provides a novel avenue to comprehensively reveal the pathological mechanisms of DON-induced intestinal disorders, which is promising for future applications to other contaminants in food and feed.
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Affiliation(s)
- Zhiqi Zhang
- Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Kai Fan
- Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Jiajia Meng
- Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Dongxia Nie
- Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Zhihui Zhao
- Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Zheng Han
- Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China.
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7
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Sevastre AS, Manea EV, Popescu OS, Tache DE, Danoiu S, Sfredel V, Tataranu LG, Dricu A. Intracellular Pathways and Mechanisms of Colored Secondary Metabolites in Cancer Therapy. Int J Mol Sci 2022; 23:ijms23179943. [PMID: 36077338 PMCID: PMC9456420 DOI: 10.3390/ijms23179943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 12/03/2022] Open
Abstract
Despite the great advancements made in cancer treatment, there are still many unsatisfied aspects, such as the wide palette of side effects and the drug resistance. There is an obvious increasing scientific attention towards nature and what it can offer the human race. Natural products can be used to treat many diseases, of which some plant products are currently used to treat cancer. Plants produce secondary metabolites for their signaling mechanisms and natural defense. A variety of plant-derived products have shown promising anticancer properties in vitro and in vivo. Rather than recreating the natural production environment, ongoing studies are currently setting various strategies to significantly manipulate the quantity of anticancer molecules in plants. This review focuses on the recently studied secondary metabolite agents that have shown promising anticancer activity, outlining their potential mechanisms of action and pathways.
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Affiliation(s)
- Ani-Simona Sevastre
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, Str. Petru Rares nr. 2-4, 200349 Craiova, Romania
| | - Elena Victoria Manea
- Department of Biochemistry, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Str. Petru Rares nr. 2-4, 200349 Craiova, Romania
| | - Oana Stefana Popescu
- Department of Biochemistry, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Str. Petru Rares nr. 2-4, 200349 Craiova, Romania
| | - Daniela Elise Tache
- Department of Biochemistry, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Str. Petru Rares nr. 2-4, 200349 Craiova, Romania
| | - Suzana Danoiu
- Department of Pathophysiology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Str. Petru Rares nr. 2-4, 200349 Craiova, Romania
| | - Veronica Sfredel
- Department of Physiology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Str. Petru Rares nr. 2-4, 200349 Craiova, Romania
| | - Ligia Gabriela Tataranu
- Neurosurgical Department, Clinical Hospital “Bagdasar-Arseni”, 041915 Bucharest, Romania
- Correspondence: ; Tel.: +40-21-334-30-25
| | - Anica Dricu
- Department of Biochemistry, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Str. Petru Rares nr. 2-4, 200349 Craiova, Romania
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Yang FF, Shuai MS, Guan X, Zhang M, Zhang QQ, Fu XZ, Li ZQ, Wang DP, Zhou M, Yang YY, Liu T, He B, Zhao YL. Synthesis and antibacterial activity studies in vitro of indirubin-3'-monoximes. RSC Adv 2022; 12:25068-25080. [PMID: 36199871 PMCID: PMC9438470 DOI: 10.1039/d2ra01035f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 08/21/2022] [Indexed: 11/21/2022] Open
Abstract
Multi-drug-resistant microbial pathogens are a serious global health problem. New compounds with antibacterial activity serve as good candidates for developing novel antibacterial drugs which is very urgent and important. In this work, based on the unique scaffold of indirubin, an active ingredient of traditional Chinese medicine formulation Danggui Luhui Wan, we synthesized 29 indirubin-3'-monoximes and preliminarily evaluated their antibacterial activities. The antibacterial activity results demonstrated that the synthesized indirubin-3'-monoximes 5a-5z and 5aa-5ad displayed good potency against S. aureus ATCC25923 (MIC = 0.4-25.6 μg mL-1). Among them, we found that the 5-F, 5-Cl and 7-CF3 substituted indirubin-3'-monoximes 5r, 5s and 5aa also showed better antibacterial efficiency for S. aureus (MICs up to 0.4 μg mL-1) than the prototype natural product indirubin (MIC = 32 μg mL-1). More importantly, indirubin-3'-monoxime 5aa has certain synergistic effect with levofloxacin against clinic multidrug-resistant S. aureus (fractional inhibitory concentration index: 0.375). In addition, relevant experiments including electron microscopy observations, PI staining and the leakage of extracellular potassium ions and nucleic acid (260 nm) have been performed after treating S. aureus with indirubin-3'-monoxime 5aa, and the results revealed that indirubin-3'-monoximes could increase the cell membrane permeability of S. aureus. Although indirubin-3'-monoxime 5aa showed some cytotoxicity toward SH-SY5Y cells relative to compounds 5r and 5s, the skin irritation test of male mice after shaving showed that compound 5aa at a concentration of 12.8 μg mL-1 had no toxicity to mouse skin, and it could be used as a leading compound for skin antibacterial drugs.
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Affiliation(s)
- Fen-Fen Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Ming-Shan Shuai
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Xiang Guan
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Mao Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Qing-Qing Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Xiao-Zhong Fu
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Zong-Qin Li
- Department of Neurology Sichuan Mianyang 404 Hospital Mianyang 621000 People's Republic of China
| | - Da-Peng Wang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University Guiyang 550025 People's Republic of China
| | - Meng Zhou
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Yuan-Yong Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Ting Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Bin He
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
| | - Yong-Long Zhao
- State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmacy, and Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University Guiyang 550004 People's Republic of China
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Yu B, Liang J, Li X, Liu L, Yao J, Chen X, Chen R. Renieramycin T Inhibits Melanoma B16F10 Cell Metastasis and Invasion via Regulating Nrf2 and STAT3 Signaling Pathways. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27165337. [PMID: 36014573 PMCID: PMC9413012 DOI: 10.3390/molecules27165337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/09/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022]
Abstract
As one of marine tetrahydroisoquinoline alkaloids, renieramycin T plays a significant role in inhibiting tumor metastasis and invasion. However, the effect of renieramycin T on inflammation-related tumor metastasis and invasion is still unknown, and its mechanisms remain unclear. Here we established an inflammation-related tumor model by using the supernatant of RAW264.7 cells to simulate B16F10 mouse melanoma cells. The results indicate that renieramycin T suppressed RAW264.7 cell supernatant-reduced B16F10 cell adhesion to a fibronectin-coated substrate, migration, and invasion through the matrigel in a concentration-dependent manner. Moreover, Western blot results reveal that renieramycin T attenuated the phosphorylation of STAT3 and down-regulated the expression of Nrf2. Together, the above findings suggest a model of renieramycin T in suppressing B16F10 cancer cell migration and invasion. It may serve as a promising drug for the treatment of cancer metastasis.
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Affiliation(s)
- Baohua Yu
- Department of Pediatric Surgery, Affiliated Hospital of Jining Medical University, Jining 272067, China
| | - Jing Liang
- Department of Pediatric Surgery, Affiliated Hospital of Jining Medical University, Jining 272067, China
| | - Xiufang Li
- College of Pharmacy, Heze University, Heze 274015, China
| | - Li Liu
- Department of Pediatric Surgery, Affiliated Hospital of Jining Medical University, Jining 272067, China
| | - Jing Yao
- College of Basic Medicine, Jining Medical University, Jining 272067, China
| | - Xiaochuan Chen
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
- Correspondence: (X.C.); (R.C.); Tel.: +86-28-8541-2095 (X.C.); +86-53-7361-6216 (R.C.)
| | - Ruijiao Chen
- Department of Pediatric Surgery, Affiliated Hospital of Jining Medical University, Jining 272067, China
- College of Basic Medicine, Jining Medical University, Jining 272067, China
- Correspondence: (X.C.); (R.C.); Tel.: +86-28-8541-2095 (X.C.); +86-53-7361-6216 (R.C.)
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10
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Pharmacological properties of indirubin and its derivatives. Biomed Pharmacother 2022; 151:113112. [PMID: 35598366 DOI: 10.1016/j.biopha.2022.113112] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/23/2022] [Accepted: 05/10/2022] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Indirubin is the main bioactive component of the traditional Chinese medicine Indigo naturalis and is a bisindole alkaloid. Multiple studies have shown that indirubin exhibits good anticancer, anti-inflammatory and neuroprotective properties. METHODS The purpose of this review is to provide a summary of the pharmacological mechanisms of indirubin and its derivatives. RESULTS Indirubin and its derivatives exert anticancer effects by regulating the expression of cyclin-dependent kinases (CDKs), GSK-3β, Bax, Bcl-2, C-MYC, matrix metalloproteinases (MMPs), and focal adhesion kinase (FAK) through the PI3K/AKT/mTOR, nuclear factor (NF)-κB, mitogen-activated protein kinase (MAPK), JAK/signal transducer and activator of transcription 3 (STAT3) pathways and other signaling pathways. We also reviewed the anti-inflammatory and neuroprotective properties of indirubin and its derivatives. CONCLUSION The findings of recent studies assessing indirubin and its derivatives suggest that these compounds can be used as potential drugs to treat tumors, inflammation, neuropathy and bacterial infection.
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Tsou WH, Heinrich M, Booker A. Chinese and western herbal medicines for the topical treatment of psoriasis – A critical review of efficacy and safety. J Herb Med 2022. [DOI: 10.1016/j.hermed.2022.100579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Sun BY, Sui HL, Liu ZW, Tao XY, Gao B, Zhao M, Ma YS, Zhao J, Liu M, Wang FQ, Wei DZ. Structure-guided engineering of a flavin-containing monooxygenase for the efficient production of indirubin. BIORESOUR BIOPROCESS 2022; 9:70. [PMID: 38647553 PMCID: PMC10991670 DOI: 10.1186/s40643-022-00559-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 06/10/2022] [Indexed: 11/10/2022] Open
Abstract
Indirubin is a bisindole compound for the treatment of chronic myelocytic leukemia. Here, we presented a structure-guided method to improve the activity of a flavin-containing monooxygenase (bFMO) for the efficient production of indirubin in Escherichia coli. A flexible loop interlocked with the active pocket through a helix and the substrate tunnel rather than the active pocket in bFMO were identified to be two reconfigurable structures to improve its activity, resulting in K223R and N291T mutants with enhanced catalytic activity by 2.5- and 2.0-fold, respectively. A combined modification at the two regions (K223R/D317S) achieved a 6.6-fold improvement in catalytic efficiency (kcat/Km) due to enhancing π-π stacking interactions stabilization. Finally, an engineered E. coli strain was constructed by metabolic engineering, which could produce 860.7 mg/L (18 mg/L/h) indirubin, the highest yield ever reported. This work provides new insight into the redesign of FMOs to boost their activities and an efficient approach to produce indirubin.
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Affiliation(s)
- Bing-Yao Sun
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Hua-Lu Sui
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Zi-Wei Liu
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Xin-Yi Tao
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Bei Gao
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Ming Zhao
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Yu-Shu Ma
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Jian Zhao
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Min Liu
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China.
| | - Feng-Qing Wang
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China.
| | - Dong-Zhi Wei
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
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Shen P, Wang Y, Jia X, Xu P, Qin L, Feng X, Li Z, Qiu Z. Dual-target Janus kinase (JAK) inhibitors: Comprehensive review on the JAK-based strategies for treating solid or hematological malignancies and immune-related diseases. Eur J Med Chem 2022; 239:114551. [PMID: 35749986 DOI: 10.1016/j.ejmech.2022.114551] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 11/19/2022]
Abstract
Janus kinases (JAKs) are the non-receptor tyrosine kinases covering JAK1, JAK2, JAK3, and TYK2 which regulate signal transductions of hematopoietic cytokines and growth factors to play essential roles in cell growth, survival, and development. Dysregulated JAK activity leading to a constitutively activated signal transducers and activators of transcription (STAT) is strongly associated with immune-related diseases and cancers. Targeting JAK to interfere the signaling of JAK/STAT pathway has achieved quite success in the treatment of these diseases. However, inadequate clinical response and serious adverse events come along by the treatment of monotherapy of JAK inhibitors. With better and deeper understanding of JAK/STAT pathway in the pathogenesis of diseases, researchers start to show huge interest in combining inhibition of JAK and other oncogenic targets to realize a broader regulation on pathological processes to block disease development and progression, which has hastened extensive research of dual JAK inhibitors over the past decades. Until now, studies of dual JAK inhibitors have added BTK, SYK, FLT3, HDAC, Src, and Aurora kinases to the overall inhibitory profile and demonstrated significant advantage and superiority over single-target inhibitors. In this review, we elucidated the possible mechanism of synergic effects caused by dual JAK inhibitors and briefly describe the development of these agents.
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Affiliation(s)
- Pei Shen
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China
| | - Yezhi Wang
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China
| | - Xiangxiang Jia
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China
| | - Pengfei Xu
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China
| | - Lian Qin
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China
| | - Xi Feng
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China
| | - Zhiyu Li
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China; Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 21009, PR China.
| | - Zhixia Qiu
- Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, PR China; Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 21009, PR China.
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A Sensitive LC-MS/MS Method for the Simultaneous Determination of Two Thia-Analogous Indirubin N-Glycosides and Indirubin-3'-Monoxime in Plasma and Cell Culture Medium. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27093031. [PMID: 35566381 PMCID: PMC9101087 DOI: 10.3390/molecules27093031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 11/16/2022]
Abstract
Indirubin was identified as an active component of Danggui Longhui Wan, an herbal mixture used in traditional Chinese medicine, and showed anticancer activity in clinical trials in patients with chronic leukemia. Investigations on the mechanisms of antitumor action of indirubins have mainly focused on the indirubin derivative indirubin-3'-monoxime (I3M). Meanwhile, antiproliferative and cytotoxic properties on cancer cells have also been demonstrated for several synthetic indirubin N-glycosides. In the present study, we demonstrate cytotoxic activity of the thia-analogous indirubin N-glycosides KD87 (3-[3'-oxo-benzo[b]thiophen-2'-(Z)-ylidene]-1-(β-d-glucopyranosyl)-oxindole) and KD85 (3-[3'-oxo-benzo[b]thiophen-2'-(Z)-ylidene]-1-(β-d-mannopyranosyl)-oxindole) against melanoma and squamous cell carcinoma cells as well as lung cancer and glioblastoma cells. The advanced state of preclinical studies on the effects of indirubins conducted to date underscores the need for pharmacokinetic data from cellular, animal, and human studies for which reliable quantification is required. Therefore, a sensitive liquid chromatography-tandem mass spectrometric (LC-MS/MS) method was developed and validated for the simultaneous measurement of KD87, KD85, and I3M in plasma and cell culture medium. Experimental conditions for sample preparation were optimized for human plasma protein precipitation and liquid-liquid extraction from plasma and cell culture medium. The methods were successfully validated in accordance with the U.S. Food and Drug Administration Bioanalytical Method Validation and evaluated for selectivity, sensitivity, matrix effect, recovery, carryover, calibration curve linearity, accuracy, precision, and stability. The applicability of the methods was demonstrated by the determination of KD87 in mouse plasma after prior intraperitoneal administration to mice.
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15
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Rebl H, Sawade M, Hein M, Bergemann C, Wende M, Lalk M, Langer P, Emmert S, Nebe B. Synergistic effect of plasma-activated medium and novel indirubin derivatives on human skin cancer cells by activation of the AhR pathway. Sci Rep 2022; 12:2528. [PMID: 35169210 PMCID: PMC8847430 DOI: 10.1038/s41598-022-06523-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 01/27/2022] [Indexed: 01/07/2023] Open
Abstract
Due to the increasing number of human skin cancers and the limited effectiveness of therapies, research into innovative therapeutic approaches is of enormous clinical interest. In recent years, the use of cold atmospheric pressure plasma has become increasingly important as anti-cancer therapy. The combination of plasma with small molecules offers the potential of an effective, tumour-specific, targeted therapy. The synthesised glycosylated and non glycosylated thia-analogous indirubin derivatives KD87 and KD88, respectively, were first to be investigated for their pharmaceutical efficacy in comparison with Indirubin-3'-monoxime (I3M) on human melanoma (A375) and squamous cell carcinoma (A431) cells. In combinatorial studies with plasma-activated medium (PAM) and KD87 we determined significantly decreased cell viability and cell adhesion. Cell cycle analyses revealed a marked G2/M arrest by PAM and a clear apoptotic effect by the glycosylated indirubin derivative KD87 in both cell lines and thus a synergistic anti-cancer effect. I3M had a pro-apoptotic effect only in A431 cells, so we hypothesize a different mode of action of the indirubin derivatives in the two skin cancer cells, possibly due to a different level of the aryl hydrocarbon receptor and an activation of this pathway by nuclear translocation of this receptor and subsequent activation of gene expression.
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Affiliation(s)
- Henrike Rebl
- grid.413108.f0000 0000 9737 0454Department of Cell Biology, Rostock University Medical Center, 18057 Rostock, Germany
| | - Marie Sawade
- grid.413108.f0000 0000 9737 0454Department of Cell Biology, Rostock University Medical Center, 18057 Rostock, Germany
| | - Martin Hein
- grid.10493.3f0000000121858338Institute for Chemistry, University of Rostock, 18059 Rostock, Germany
| | - Claudia Bergemann
- grid.413108.f0000 0000 9737 0454Department of Cell Biology, Rostock University Medical Center, 18057 Rostock, Germany
| | - Manuela Wende
- grid.5603.0Institute for Biochemistry, University of Greifswald, 17487 Greifswald, Germany
| | - Michael Lalk
- grid.5603.0Institute for Biochemistry, University of Greifswald, 17487 Greifswald, Germany
| | - Peter Langer
- grid.10493.3f0000000121858338Institute for Chemistry, University of Rostock, 18059 Rostock, Germany
| | - Steffen Emmert
- grid.413108.f0000 0000 9737 0454Clinic and Polyclinic for Dermatology and Venerology, Rostock University Medical Center, 18057 Rostock, Germany
| | - Barbara Nebe
- grid.413108.f0000 0000 9737 0454Department of Cell Biology, Rostock University Medical Center, 18057 Rostock, Germany
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16
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Zhuang SY, Tang YX, Chen XL, Wu YD, Wu AX. Copper-Catalyzed Oxidative C(sp 3)-H/C(sp 3)-H Cross-Coupling Reaction of 3-Methylbenzo[ c]isoxazoles with Methyl Ketones: Access to Indigoid Analogues. J Org Chem 2021; 86:17101-17109. [PMID: 34739234 DOI: 10.1021/acs.joc.1c02204] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A copper-catalyzed oxidative C(sp3)-H/C(sp3)-H cross-coupling reaction of methyl ketones and 3-methylbenzo[c]isoxazoles has been developed for the direct synthesis of 3-oxoindolin-2-ylidene derivatives. This process involves an intermolecular nucleophilic addition/ring-opening/aza-Michael addition cascade, providing indigoid analogues with high atom economy and as single isomers exclusively under mild conditions.
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Affiliation(s)
- Shi-Yi Zhuang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Yong-Xing Tang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xiang-Long Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Yan-Dong Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - An-Xin Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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17
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Kayastha S, Sagwan-Barkdoll L, Anterola A, Jayakody LN. Developing synthetic microbes to produce indirubin-derivatives. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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18
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Crucial Role of Reactive Oxygen Species (ROS) for the Proapoptotic Effects of Indirubin Derivatives in Cutaneous SCC Cells. Antioxidants (Basel) 2021; 10:antiox10101514. [PMID: 34679649 PMCID: PMC8532942 DOI: 10.3390/antiox10101514] [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: 06/20/2021] [Revised: 08/31/2021] [Accepted: 09/13/2021] [Indexed: 01/04/2023] Open
Abstract
Efficient drugs are needed for countering the worldwide high incidence of cutaneous squamous cell carcinoma (cSCC) and actinic keratosis. Indirubin derivatives represent promising candidates, but their effects in cSCC cells have not been reported before. Here, we investigated the efficacy of three indirubin derivatives (DKP-071, -073 and -184) in four cSCC cell lines. High efficacy was seen in SCL-I, SCL-II, SCC-12 and SCC-13, resulting in up to 80% loss of cell proliferation, 60% loss of cell viability and 30% induced apoptosis (10 µM). Apoptosis was further enhanced in combinations with TNF-related apoptosis-inducing ligand (TRAIL). Induction of reactive oxygen species (ROS) appeared as critical for these effects. Thus, antioxidative pretreatment completely abolished apoptosis as well as restored cell proliferation and viability. Concerning the pathways, complete activation of caspases cascades (caspases-3, -4, -6, -7, -8 and -9), loss of mitochondrial membrane potential, activation of proapoptotic PKCδ (protein kinase C delta), inhibition of STAT3 (signal transducer and activator of transcription 3), downregulation of antiapoptotic XIAP (X-linked inhibitor of apoptosis protein) and survivin as well as upregulation of the proapoptotic Bcl-2 protein Puma and the cell cycle inhibitor p21 were obtained. Importantly, all activation steps were prevented by antioxidants, thus proving ROS as a master regulator of indirubins' antitumor effects. ROS induction presently develops as an important issue in anticancer therapy.
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19
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Wang B, Liu W, Jiang X, Li J, Hu X, Li L, Gu Q. Overexpression of ribophorin II is required for viability of nasopharyngeal cancer cells by regulating JAK1/STAT3 activation. Immunopharmacol Immunotoxicol 2021; 43:471-477. [PMID: 34184962 DOI: 10.1080/08923973.2021.1942038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE This study aimed to elucidate the role of ribophorin II (RPN2) in nasopharyngeal cancer (NPC) cell survival and death. RPN2 expression was upregulated in 22 human NPC specimens and 5-8F and CNE1 cells compared with that in adjacent normal tissues and normal nasopharyngeal NP69 cells. MATERIALS AND METHODS CCK-8 and colony formation assays indicated that the silencing of RPN2 hindered the proliferation and growth of 5-8F and CNE1 cells. RESULTS RPN2 expression was upregulated in 22 human NPC specimens as well as in 5-8F and CNE1 cells compared with that in adjacent normal tissues and NP69 cells. CCK-8 and colony formation assays indicated that the silencing of RPN2 reduced the proliferation and growth of 5-8F and CNE1 cells. Annexin V/PI flow cytometry and Bcl-2/Bax analysis showed that RPN2 silencing led to increased apoptosis. Moreover, JAK1 was found to interact with RPN2, and total JAK1, STAT3, and phosphorylated STAT3 levels were dramatically decreased in cells with RPN2 silencing. Furthermore, the nuclear localization of STAT3 was blocked by the silencing of RPN2. The administration of the STAT3 activator colivelin could offset the inhibitory effect of RPN2 silencing on the survival and apoptosis of NPC cells. CONCLUSION RPN2 is upregulated in NPC tissues or cells, and RPN2 silencing repressed NPC cell proliferation and elicited apoptosis. RPN2 overexpression is possibly associated with JAK1/STAT3 silencing and activation. Finally, RPN2 represents a promising target for NPC treatment.
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Affiliation(s)
- Bin Wang
- Department of Otorhinolaryngology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Weiwei Liu
- Department of Otorhinolaryngology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Xue Jiang
- Department of Otorhinolaryngology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Jian Li
- Department of Otorhinolaryngology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Xiaodong Hu
- Department of Otorhinolaryngology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Liping Li
- Department of Otorhinolaryngology, Cangzhou Central Hospital, Cangzhou, Hebei, China
| | - Qianqian Gu
- Department of Geriatrics, Cangzhou Central Hospital, Cangzhou, Hebei, China
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Wang H, Wang Z, Wei C, Wang J, Xu Y, Bai G, Yao Q, Zhang L, Chen Y. Anticancer potential of indirubins in medicinal chemistry: Biological activity, structural modification, and structure-activity relationship. Eur J Med Chem 2021; 223:113652. [PMID: 34161865 DOI: 10.1016/j.ejmech.2021.113652] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 06/13/2021] [Accepted: 06/13/2021] [Indexed: 10/21/2022]
Abstract
Indirubin is the crucial ingredient of Danggui Longhui Wan and Qing-Dai, traditional Chinese medicine herbal formulas used for the therapy of chronic myelocytic leukemia in China for hundreds of years. Although the monomeric indirubin has been used in China for the treatment human chronic myelocytic leukemia. However, due to low water solubility, poor pharmacokinetic properties and low therapeutic effects are the major obstacle, and had significantly limited its clinical application. Consequently, the attractive anticancer profile of indirubin has enthused numerous researchers to discover novel indirubin derivatives with improved pharmacodynamic activity as well as good pharmacokinetic property. In this paper, we comprehensively review the recent progress of anticancer potential of indirubins, structural modification and structure-activity relationship, which may provide useful direction for the further development of novel indirubins with improved pharmacological profiles for the treatment of various types of cancer.
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Affiliation(s)
- Hezhen Wang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Key Laboratory of Basic Pharmacology of Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China
| | - Zhiyuan Wang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Key Laboratory of Basic Pharmacology of Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China
| | - Chunyong Wei
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Key Laboratory of Basic Pharmacology of Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China
| | - Jing Wang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Key Laboratory of Basic Pharmacology of Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China
| | - Yingshu Xu
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Key Laboratory of Basic Pharmacology of Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China
| | - Guohui Bai
- Key Laboratory of Oral Disease of Higher Schools in Guizhou Province, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China.
| | - Qizheng Yao
- School of Pharmacy, China Pharmaceutical University, 24 Tongjia Xiang, Nanjing, 210009, PR China.
| | - Lei Zhang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Key Laboratory of Basic Pharmacology of Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China.
| | - Yongzheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Key Laboratory of Basic Pharmacology of Ministry of Education, School of Pharmacy, Zunyi Medical University, 6 West Xuefu Road, Zunyi, 563000, PR China.
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21
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Laka K, Mapheto K, Mbita Z. Selective in vitro cytotoxicity effect of Drimia calcarata bulb extracts against p53 mutant HT-29 and p53 wild-type Caco-2 colorectal cancer cells through STAT5B regulation. Toxicol Rep 2021; 8:1265-1279. [PMID: 34195018 PMCID: PMC8233163 DOI: 10.1016/j.toxrep.2021.06.015] [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: 01/08/2021] [Revised: 06/04/2021] [Accepted: 06/14/2021] [Indexed: 12/14/2022] Open
Abstract
Colorectal cancer is the fourth leading cause of oncological-related deaths and the third most diagnosed malignancy, worldwide. The emergence of chemoresistance is a fundamental drawback of colorectal cancer therapies and there is an urgent need for novel plant-derived therapeutics. In this regard, other compounds are needed to improve the efficacy of treatment against colorectal cancer. Medicinal plants have been effectively used by traditional doctors for decades to treat various ailments with little to no side effects. Drimia calcarata (D. calcarata) is one of the plants used by Pedi people in South Africa to treat a plethora of ailments. However, the anticancer therapeutic use of D. calcarata is less understood. Thus, this study was aimed at evaluating the potential anticancer activities of D. calcarata extracts against human colorectal cancer cells. The phytochemical analysis and antioxidant activity were analysed using LC-MS, DPPH, and FRAP. The inhibitory effects and IC50 values of D. calcarata extracts were determined using the MTT assay. Induction of cellular apoptosis was assessed using fluorescence microscopy, the Muse® Cell Analyser, and gene expression analysis by Polymerase Chain Reaction (PCR). Water extract (WE) demonstrated high phenolic, tannin, and flavonoid contents than the methanol extract (ME). LC-MS data demonstrated strong differences between the ME and WE. Moreover, WE showed the best antioxidant activity than ME. The MTT data showed that both ME and WE had no significant activity against human embryonic kidney Hek 293 cell line that served as non-cancer control cells. Caco-2 cells demonstrated high sensitivity to the ME and demonstrated resistance toward the WE, while HT-29 cells exhibited sensitivity to both D. calcarata extracts. The expression of apoptosis regulatory genes assessed by PCR revealed an upregulation of p53 by ME, accompanied by downregulation of Bcl-2 and high expression of Bax after treatment with curcumin. The Bax gene was undetected in HT-29 cells. The methanol extract induced mitochondrial-mediated apoptosis in colorectal Caco-2 and HT-29 cells and WE induced the extrinsic apoptotic pathway in HT-29 cells. ME downregulated STAT1, 3, and 5B in HT-29 cells. The D. calcarata bulb extracts, therefore, contain potential anticancer agents that can be further targeted for cancer therapeutics.
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Affiliation(s)
- K. Laka
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private Bag X1106, Sovenga, 0727, Polokwane, South Africa
| | - K.B.F. Mapheto
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private Bag X1106, Sovenga, 0727, Polokwane, South Africa
| | - Z. Mbita
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private Bag X1106, Sovenga, 0727, Polokwane, South Africa
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22
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Schepetkin IA, Plotnikov MB, Khlebnikov AI, Plotnikova TM, Quinn MT. Oximes: Novel Therapeutics with Anticancer and Anti-Inflammatory Potential. Biomolecules 2021; 11:biom11060777. [PMID: 34067242 PMCID: PMC8224626 DOI: 10.3390/biom11060777] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/18/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023] Open
Abstract
Oximes have been studied for decades because of their significant roles as acetylcholinesterase reactivators. Over the last twenty years, a large number of oximes have been reported with useful pharmaceutical properties, including compounds with antibacterial, anticancer, anti-arthritis, and anti-stroke activities. Many oximes are kinase inhibitors and have been shown to inhibit over 40 different kinases, including AMP-activated protein kinase (AMPK), phosphatidylinositol 3-kinase (PI3K), cyclin-dependent kinase (CDK), serine/threonine kinases glycogen synthase kinase 3 α/β (GSK-3α/β), Aurora A, B-Raf, Chk1, death-associated protein-kinase-related 2 (DRAK2), phosphorylase kinase (PhK), serum and glucocorticoid-regulated kinase (SGK), Janus tyrosine kinase (JAK), and multiple receptor and non-receptor tyrosine kinases. Some oximes are inhibitors of lipoxygenase 5, human neutrophil elastase, and proteinase 3. The oxime group contains two H-bond acceptors (nitrogen and oxygen atoms) and one H-bond donor (OH group), versus only one H-bond acceptor present in carbonyl groups. This feature, together with the high polarity of oxime groups, may lead to a significantly different mode of interaction with receptor binding sites compared to corresponding carbonyl compounds, despite small changes in the total size and shape of the compound. In addition, oximes can generate nitric oxide. This review is focused on oximes as kinase inhibitors with anticancer and anti-inflammatory activities. Oximes with non-kinase targets or mechanisms of anti-inflammatory activity are also discussed.
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Affiliation(s)
- Igor A. Schepetkin
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA;
| | - Mark B. Plotnikov
- Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk National Research Medical Center, Russian Academy of Sciences, 634028 Tomsk, Russia;
| | - Andrei I. Khlebnikov
- Kizhner Research Center, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia;
- Scientific Research Institute of Biological Medicine, Altai State University, 656049 Barnaul, Russia
| | - Tatiana M. Plotnikova
- Department of Pharmacology, Siberian State Medical University, 634050 Tomsk, Russia;
| | - Mark T. Quinn
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA;
- Correspondence: ; Tel.: +1-406-994-4707; Fax: +1-406-994-4303
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Cheng X, Zhao W, Zhu M, Wang B, Wang X, Yang X, Huang Y, Tan M, Li J. Drug repurposing for cancer treatment through global propagation with a greedy algorithm in a multilayer network. Cancer Biol Med 2021; 19:j.issn.2095-3941.2020.0218. [PMID: 33893730 PMCID: PMC8762999 DOI: 10.20892/j.issn.2095-3941.2020.0218] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 12/07/2020] [Indexed: 11/25/2022] Open
Abstract
OBJECTIVE Drug repurposing, the application of existing therapeutics to new indications, holds promise in achieving rapid clinical effects at a much lower cost than that of de novo drug development. The aim of our study was to perform a more comprehensive drug repurposing prediction of diseases, particularly cancers. METHODS Here, by targeting 4,096 human diseases, including 384 cancers, we propose a greedy computational model based on a heterogeneous multilayer network for the repurposing of 1,419 existing drugs in DrugBank. We performed additional experimental validation for the dominant repurposed drugs in cancer. RESULTS The overall performance of the model was well supported by cross-validation and literature mining. Focusing on the top-ranked repurposed drugs in cancers, we verified the anticancer effects of 5 repurposed drugs widely used clinically in drug sensitivity experiments. Because of the distinctive antitumor effects of nifedipine (an antihypertensive agent) and nortriptyline (an antidepressant drug) in prostate cancer, we further explored their underlying mechanisms by using quantitative proteomics. Our analysis revealed that both nifedipine and nortriptyline affected the cancer-related pathways of DNA replication, the cell cycle, and RNA transport. Moreover, in vivo experiments demonstrated that nifedipine and nortriptyline significantly inhibited the growth of prostate tumors in a xenograft model. CONCLUSIONS Our predicted results, which have been released in a public database named The Predictive Database for Drug Repurposing (PAD), provide an informative resource for discovering and ranking drugs that may potentially be repurposed for cancer treatment and determining new therapeutic effects of existing drugs.
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Affiliation(s)
- Xi Cheng
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wensi Zhao
- The Chemical Proteomics Center and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengdi Zhu
- The Chemical Proteomics Center and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bo Wang
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xuege Wang
- Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences (CAS), Shanghai 200031, China
| | - Xiaoyun Yang
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yuqi Huang
- The Chemical Proteomics Center and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Minjia Tan
- The Chemical Proteomics Center and State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Li
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
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Small Molecules in the Treatment of Squamous Cell Carcinomas: Focus on Indirubins. Cancers (Basel) 2021; 13:cancers13081770. [PMID: 33917267 PMCID: PMC8068014 DOI: 10.3390/cancers13081770] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/23/2021] [Accepted: 03/28/2021] [Indexed: 02/08/2023] Open
Abstract
Simple Summary In this review, the genetic landscape of squamous cell carcinoma is related to the potential targets of indirubin-based small molecules in cancer therapy. Being a component of traditional Chinese medicine, indirubins are used to treat chronic or inflammatory diseases, and have received increasing attention in cancer treatment due to their proapoptotic and antiproliferative activity. Frequent genetic alterations of squamous cell carcinomas are summarized, and it is discussed how these may render tumors susceptible to indirubin-based small molecule inhibitors. Abstract Skin cancers are the most common malignancies in the world. Among the most frequent skin cancer entities, squamous cell carcinoma (SCC) ranks second (~20%) after basal cell carcinoma (~77%). In early stages, a complete surgical removal of the affected tissue is carried out as standard therapy. To treat advanced and metastatic cancers, targeted therapies with small molecule inhibitors are gaining increasing attention. Small molecules are a heterogeneous group of protein regulators, which are produced by chemical synthesis or fermentation. The majority of them belong to the group of receptor tyrosine kinase inhibitors (RTKIs), which specifically bind to certain RTKs and directly influence the respective signaling pathway. Knowledge of characteristic molecular alterations in certain cancer entities, such as SCC, can help identify tumor-specific substances for targeted therapies. Most frequently, altered genes in SCC include TP53, NOTCH, EGFR, and CCND1. For example, the gene CCND1, which codes for cyclin D1 protein, is upregulated in nearly half of SCC cases and promotes proliferation of affected cells. A treatment with the small molecule 5′-nitroindirubin-monoxime (INO) leads to inhibition of cyclin D1 and thus inhibition of proliferation. As a component of Danggui Longhui Wan, a traditional Chinese medicine, indirubins are used to treat chronic diseases and have been shown to inhibit inflammatory reactions. Indirubins are pharmacologically relevant small molecules with proapoptotic and antiproliferative activity. In this review, we discuss the current literature on indirubin-based small molecules in cancer treatment. A special focus is on the molecular biology of squamous cell carcinomas, their alterations, and how these are rendered susceptible to indirubin-based small molecule inhibitors. The potential molecular mechanisms of the efficacy of indirubins in killing SCC cells will be discussed as well.
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Indirubin-3'-monoxime induces paraptosis in MDA-MB-231 breast cancer cells by transmitting Ca 2+ from endoplasmic reticulum to mitochondria. Arch Biochem Biophys 2020; 698:108723. [PMID: 33321111 DOI: 10.1016/j.abb.2020.108723] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE Indirubin-3'-monoxime (I3M) induces cell death in many cancer cells; however, whether I3M regulates paraptosis is unclear. The present study aimed to investigate I3M-induced paraptosis. METHODS We treated various cancer cells with I3M, and measured vacuole formation (a paraptosis marker) and the regulating signaling pathway such as endoplasmic reticulum (ER) stress, reactive oxygen species, and proteasomal dysfunction. RESULTS We found that I3M induced small vacuole formation in MDA-MB-231 breast cancer cells and transient knockdown of eIF2α and CHOP significantly downregulated vacuolation in the ER and mitochondria, as well as cell death in response to I3M, indicating that I3M-meditaed paraptosis was upregulated by ER stress. Moreover, I3M accumulated ubiquitinylated proteins via proteasome dysfunction, which stimulated ER stress-mediated Ca2+ release. A Ca2+ chelator significantly downregulated vacuolation in the ER and mitochondria as well as cell death, suggesting that Ca2+ was a key regulator in I3M-induced paraptosis. Our results also revealed that Ca2+ finally transited in mitochondria through mitochondrial Ca2+ uniporter (MCU), causing I3M-mediated paraptosis; however, the paraptosis was completely inhibited by, ruthenium red, an MCU inhibitor. CONCLUSION I3M induced proteasomal dysfunction-mediated ER stress and subsequently promoted Ca2+ release, which was accumulated in the mitochondria via MCU, thus causing paraptosis in MDA-MB-231 breast cancer cells.
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Bastaki S, Aravindhan S, Ahmadpour Saheb N, Afsari Kashani M, Evgenievich Dorofeev A, Karoon Kiani F, Jahandideh H, Beigi Dargani F, Aksoun M, Nikkhoo A, Masjedi A, Mahmoodpoor A, Ahmadi M, Dolati S, Namvar Aghdash S, Jadidi-Niaragh F. Codelivery of STAT3 and PD-L1 siRNA by hyaluronate-TAT trimethyl/thiolated chitosan nanoparticles suppresses cancer progression in tumor-bearing mice. Life Sci 2020; 266:118847. [PMID: 33309720 DOI: 10.1016/j.lfs.2020.118847] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/20/2020] [Accepted: 11/28/2020] [Indexed: 12/14/2022]
Abstract
Immunotherapy methods using potential tumor microenvironment modulators have elicited durable therapeutic responses in cancer treatment. Immune checkpoint molecule programmed cell death-ligand 1 (PD-L1) and oncogenic transcription factor STAT3 (signal transducer and activator of transcription-3) assigned as inhibitory targets of our study and particular delivery system designed to deliver small interfering RNAs (siRNAs) to silence the targeted genes. Generated trimethyl chitosan (TMC) and thiolated chitosan (TC) nanoparticles (NPs) conjugated with HIV-1-derived TAT peptide and HA (hyaluronic acid) exhibited eligible physicochemical characteristics, notable siRNA encapsulation, serum stability, non-toxicity, controlled siRNA release, and extensive cellular uptake by cancer cells. Dual inhibition with STAT3/PD-L1 siRNA-loaded HA-TAT-TMC-TC NPs led to promising results, including significant downregulation of PD-L1 and STAT3 genes, striking suppressive effects on proliferation, migration, and angiogenesis of breast and melanoma cancer cell lines, and restrained tumor growth in vivo. These findings infer the capability of HA-TAT-TMC-TC NPs containing STAT3/PD-L1 siRNAs as a novel tumor-suppressive candidate in cancer treatment.
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Affiliation(s)
- Shima Bastaki
- Immunology research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Surendar Aravindhan
- Department of Electronics and Communication Engineering, AL-AMEEN ENGINEERING COLLEGE (Autonomous), Erode, Tamilnadu 638104, India.
| | | | | | | | - Fariba Karoon Kiani
- Immunology research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hediyeh Jahandideh
- Immunology research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mohsen Aksoun
- Immunology research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Afshin Nikkhoo
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Masjedi
- Immunology research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ata Mahmoodpoor
- Department of Anesthesiology, School of Medicine, Imam Reza Medical Research & Training Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Ahmadi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Dolati
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Simin Namvar Aghdash
- Department of Biology, Faculty of Basic Sciences, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Farhad Jadidi-Niaragh
- Immunology research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Li Z, Wang H, Wei J, Han L, Guo Z. Indirubin exerts anticancer effects on human glioma cells by inducing apoptosis and autophagy. AMB Express 2020; 10:171. [PMID: 32975633 PMCID: PMC7519025 DOI: 10.1186/s13568-020-01107-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 09/09/2020] [Indexed: 01/14/2023] Open
Abstract
Glioma causes significant mortality across the world and the most aggressive type of brain cancer. The incidence of glioma is believed to increase in the next few decades and hence more efficient treatment strategies need to be developed for management of glioma. Herein, we examined the anticancer effects of Indirubin against a panel of human glioma cells and attempted to explore the underlying mechanisms. The results of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay showed that Indirubin could inhibit the growth of all the glioma cells but the lowest IC50 of 12.5 µM was observed against the U87 and U118 glioma cells. Additionally, the cytotoxic effects of Indirubin were comparatively negligible against the normal astrocytes with an IC50 of > 100 µM. Investigation of mechanism of action, revealed that Indirubin exerts growth inhibitory effects on the U87 and U118 glioma cells by autophagic and apoptotic cell death. Annexin V/PI staining assay showed that apoptotic cell percentage increased dose dependently. Apoptosis was associated with increase in Bax decrease in Bcl-2 expressions. Additionally, the expression of autophagic proteins such as LC3II, ATG12, ATG15 and Beclin 1 was also increased. Wound heal assay showed that Indirubin caused remarkable decrease in the migration of the U87 and U118 cells indicative of anti-metastatic potential of Indirubin. Taken together, these results suggest that Indirubin exerts potent anticancer effects on glioma cells and may prove essential in the management of glioma.
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Affiliation(s)
- Zhaohui Li
- Department of Neurosurgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, China
| | - Han Wang
- Clinical Laboratory, The Affiliated Hospital of Changchun University of Traditional Chinese Medicine, Changchun, 130021, China
| | - Jun Wei
- Surgery Department, China-Japan Union Hospital of Jilin University, Changchun, 130033, China
| | - Liang Han
- Department of Pathology, China-Japan Union Hospital of Jilin University, Changchun, 130033, China
| | - Zhigang Guo
- Department of Neurosurgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
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Anti-Tumor Effects of Astaxanthin by Inhibition of the Expression of STAT3 in Prostate Cancer. Mar Drugs 2020; 18:md18080415. [PMID: 32784629 PMCID: PMC7459748 DOI: 10.3390/md18080415] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 07/25/2020] [Accepted: 07/29/2020] [Indexed: 12/16/2022] Open
Abstract
Astaxanthin is a natural product gaining increasing attention due to its safety and anti-cancer properties. In this study, we investigated the mechanisms of the anti-cancer effects of astaxanthin on prostate cancer (PCa) cell lines using aggressive PCa DU145 cells. Also an instantaneous silenced cell line (si-STAT3) derived from DU145 and a control cell line (si-NK) were used for the MTT and colony formation assays to determine the role of astaxanthin in proliferation and colony formation abilities. Flow cytometry assays were used to detect the apoptosis of tumor cells. Migration and invasion assays detected the weakening of the respective abilities. Western blot and RT-PCR tests detected the levels of STAT3 protein and mRNA. Astaxanthin resulted in suppression of the proliferation of DU145 cells and the level of STAT3. The treatment of DU145 cells with astaxanthin decreased the cloning ability, increased the apoptosis percentage and weakened the abilities of migration and invasion of the cells. Furthermore, astaxanthin reduced the expression of STAT3 at protein and mRNA levels. The effects were enhanced when astaxanthin and si-STAT3 were combined. The results of animal experiments were consistent with the results in cells. Thus, astaxanthin inhibits the proliferation of DU145 cells by reducing the expression of STAT3.
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MHC Class I Downregulation in Cancer: Underlying Mechanisms and Potential Targets for Cancer Immunotherapy. Cancers (Basel) 2020; 12:cancers12071760. [PMID: 32630675 PMCID: PMC7409324 DOI: 10.3390/cancers12071760] [Citation(s) in RCA: 202] [Impact Index Per Article: 50.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 12/18/2022] Open
Abstract
In recent years, major advances have been made in cancer immunotherapy. This has led to significant improvement in prognosis of cancer patients, especially in the hematological setting. Nonetheless, translation of these successes to solid tumors was found difficult. One major mechanism through which solid tumors can avoid anti-tumor immunity is the downregulation of major histocompatibility complex class I (MHC-I), which causes reduced recognition by- and cytotoxicity of CD8+ T-cells. Downregulation of MHC-I has been described in 40-90% of human tumors, often correlating with worse prognosis. Epigenetic and (post-)transcriptional dysregulations relevant in the stabilization of NFkB, IRFs, and NLRC5 are often responsible for MHC-I downregulation in cancer. The intrinsic reversible nature of these dysregulations provides an opportunity to restore MHC-I expression and facilitate adaptive anti-tumor immunity. In this review, we provide an overview of the mechanisms underlying reversible MHC-I downregulation and describe potential strategies to counteract this reduction in MHC-I antigen presentation in cancer.
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Mohan CD, Rangappa S, Preetham HD, Chandra Nayaka S, Gupta VK, Basappa S, Sethi G, Rangappa KS. Targeting STAT3 signaling pathway in cancer by agents derived from Mother Nature. Semin Cancer Biol 2020; 80:157-182. [DOI: 10.1016/j.semcancer.2020.03.016] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 03/23/2020] [Accepted: 03/28/2020] [Indexed: 02/07/2023]
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Arshad S, Naveed M, Ullia M, Javed K, Butt A, Khawar M, Amjad F. Targeting STAT-3 signaling pathway in cancer for development of novel drugs: Advancements and challenges. Genet Mol Biol 2020; 43:e20180160. [PMID: 32167126 PMCID: PMC7198026 DOI: 10.1590/1678-4685-gmb-2018-0160] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Accepted: 10/20/2018] [Indexed: 12/25/2022] Open
Abstract
Signal transducers and activators of transcription 3 (STAT-3) is a transcription
factor that regulates the gene expression of several target genes. These factors
are activated by the binding of cytokines and growth factors with STAT-3
specific receptors on cell membrane. Few years ago, STAT-3 was considered an
acute phase response element having several cellular functions such as
inflammation, cell survival, invasion, metastasis and proliferation, genetic
alteration, and angiogenesis. STAT-3 is activated by several types of
inflammatory cytokines, carcinogens, viruses, growth factors, and oncogenes.
Thus, the STAT3 pathway is a potential target for cancer therapeutics. Abnormal
STAT-3 activity in tumor development and cellular transformation can be targeted
by several genomic and pharmacological methodologies. An extensive review of the
literature has been conducted to emphasize the role of STAT-3 as a unique cancer
drug target. This review article discusses in detail the wide range of STAT-3
inhibitors that show antitumor effects both in vitro and
in vivo. Thus, targeting constitutive STAT-3 signaling is a
remarkable therapeutic methodology for tumor progression. Finally, current
limitations, trials and future perspectives of STAT-3 inhibitors are also
critically discussed.
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Affiliation(s)
- Sundas Arshad
- University of Lahore, Department of Allied Health Sciences, Gujrat Campus, Pakistan
| | - Muhammad Naveed
- University of Central Punjab, Faculty of life sciences, Department of Biotechnology, Lahore, Pakistan
| | - Mahad Ullia
- University of Gujrat, Department of Biochemistry and Biotechnology Sialkot sub Campus, Pakistan
| | - Khadija Javed
- University of Gujrat, Department of Biochemistry and Biotechnology Sialkot sub Campus, Pakistan
| | - Ayesha Butt
- University of Gujrat, Department of Biochemistry and Biotechnology Sialkot sub Campus, Pakistan
| | - Masooma Khawar
- University of Gujrat, Department of Biochemistry and Biotechnology Sialkot sub Campus, Pakistan
| | - Fazeeha Amjad
- University of Gujrat, Department of Biochemistry and Biotechnology Sialkot sub Campus, Pakistan
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Brachet-Botineau M, Polomski M, Neubauer HA, Juen L, Hédou D, Viaud-Massuard MC, Prié G, Gouilleux F. Pharmacological Inhibition of Oncogenic STAT3 and STAT5 Signaling in Hematopoietic Cancers. Cancers (Basel) 2020; 12:E240. [PMID: 31963765 PMCID: PMC7016966 DOI: 10.3390/cancers12010240] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/10/2020] [Accepted: 01/13/2020] [Indexed: 12/14/2022] Open
Abstract
Signal Transducer and Activator of Transcription (STAT) 3 and 5 are important effectors of cellular transformation, and aberrant STAT3 and STAT5 signaling have been demonstrated in hematopoietic cancers. STAT3 and STAT5 are common targets for different tyrosine kinase oncogenes (TKOs). In addition, STAT3 and STAT5 proteins were shown to contain activating mutations in some rare but aggressive leukemias/lymphomas. Both proteins also contribute to drug resistance in hematopoietic malignancies and are now well recognized as major targets in cancer treatment. The development of inhibitors targeting STAT3 and STAT5 has been the subject of intense investigations during the last decade. This review summarizes the current knowledge of oncogenic STAT3 and STAT5 functions in hematopoietic cancers as well as advances in preclinical and clinical development of pharmacological inhibitors.
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Affiliation(s)
- Marie Brachet-Botineau
- Leukemic Niche and Oxidative metabolism (LNOx), CNRS ERL 7001, University of Tours, 37000 Tours, France;
| | - Marion Polomski
- Innovation Moléculaire et Thérapeutique (IMT), EA 7501, University of Tours, 37000 Tours, France; (M.P.); (L.J.); (D.H.); (M.-C.V.-M.); (G.P.)
| | - Heidi A. Neubauer
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, A-1210 Vienna, Austria;
| | - Ludovic Juen
- Innovation Moléculaire et Thérapeutique (IMT), EA 7501, University of Tours, 37000 Tours, France; (M.P.); (L.J.); (D.H.); (M.-C.V.-M.); (G.P.)
| | - Damien Hédou
- Innovation Moléculaire et Thérapeutique (IMT), EA 7501, University of Tours, 37000 Tours, France; (M.P.); (L.J.); (D.H.); (M.-C.V.-M.); (G.P.)
| | - Marie-Claude Viaud-Massuard
- Innovation Moléculaire et Thérapeutique (IMT), EA 7501, University of Tours, 37000 Tours, France; (M.P.); (L.J.); (D.H.); (M.-C.V.-M.); (G.P.)
| | - Gildas Prié
- Innovation Moléculaire et Thérapeutique (IMT), EA 7501, University of Tours, 37000 Tours, France; (M.P.); (L.J.); (D.H.); (M.-C.V.-M.); (G.P.)
| | - Fabrice Gouilleux
- Leukemic Niche and Oxidative metabolism (LNOx), CNRS ERL 7001, University of Tours, 37000 Tours, France;
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Modulation of glioma-inflammation crosstalk profiles in human glioblastoma cells by indirubin-3'-(2,3 dihydroxypropyl)-oximether (E804) and 7-bromoindirubin-3'-oxime (7BIO). Chem Biol Interact 2019; 312:108816. [PMID: 31505164 DOI: 10.1016/j.cbi.2019.108816] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 09/05/2019] [Indexed: 11/23/2022]
Abstract
Indirubins E804 (indirubin-3'-(2,3 dihydroxypropyl)-oximether) and 7BIO (7-Bromoindirubin-3'-oxime) are synthetic derivatives of natural indirubin, the active compound in Danggui Longhui Wan, a traditional Chinese remedy for cancer and inflammation. Herein, we explore E804 and 7BIO for their potential to modulate key pro-inflammatory genes and cytokines in LN-18 and T98G glioblastoma cells. High grade gliomas typically secrete large amounts of inflammatory cytokines and growth factors that promote tumor growth in an autocrine fashion. Inflammation is emerging as a key concern in the success of new treatment modalities for glioblastomas. Studies indicate that select indirubin derivatives bind and activate signaling of the AHR pathway, as well as inhibit cyclin-dependent kinases and STAT3 signaling. AHR signaling is involved in hematopoiesis, immune function, cell cycling, and inflammation, and thus may be a possible target for glioma treatment. To determine the significance of the AHR pathway in LN-18 and T98G glioma inflammatory profiles, and on the effects of E804 and 7BIO on these profiles, we used 6,2',4'-trimethoxyflavone (TMF), a putative selective AHR antagonist. It was confirmed that E804 and 7BIO activates the AHR leading to cyp1b1 expression, and that TMF antagonizes expression. We then employed a commercial cancer inflammation and immunity crosstalk qRT-PCR array to screen for anti-inflammatory related properties. TMF alone inhibited expression of ifng, ptsg2, il12b, tnfa, il10, il13, the balance between pd1 and pdl1, and even expression of mhc1a/b. E804 was very potent in suppressing many pro-inflammatory genes, including il1a, il1b, il12a, ptgs2, tlr4, and others. E804 also affected expression of il6, vegfa, and stat3. Conversely, 7BIO induced cox2, but suppressed a different selection of pro-inflammatory genes including nos2, tnfa, and igf1. Secretion of IL-6 protein, an iconic inflammatory cytokine, was decreased by E804. VEGF (vascular endothelial growth factor) protein secretion was upregulated by 7BIO, yet downregulated by E804 and E804 plus TMF. Thus, E804 is both an AHR ligand and regulator of important pro-inflammatory cytokines such as IL-6 and oncogene STAT3, among others. Our results point to the use of E804 and TMF in combination as a promising new treatment for glioblastoma.
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Kim J, Lee J, Lee PG, Kim EJ, Kroutil W, Kim BG. Elucidating Cysteine-Assisted Synthesis of Indirubin by a Flavin-Containing Monooxygenase. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02613] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | | | | | - Wolfgang Kroutil
- Institute of Chemistry, Organic and Bioorganic Chemistry, University of Graz, Graz, 8074, Austria
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Zhang Y, Song L, Li J, Zhang Y, Lu X, Zhang B. Inhibitory effects of indirubin-3'-monoxime against human osteosarcoma. IUBMB Life 2019; 71:1465-1474. [PMID: 31050877 DOI: 10.1002/iub.2058] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/17/2019] [Accepted: 04/17/2019] [Indexed: 11/08/2022]
Abstract
Indirubin is widely used as the active component of "Dangui Luhui Wan" in ancient China. However, its effects against the osteosarcoma (OS), the most common primary malignancy, are still unknown. In our present study, we investigated the effects of the Indirubin-3'-monoxime (I3M), a derivative of indirubin with better water solubility, against the OS cells. We found I3M inhibited OS cell proliferation in a dose-dependent manner. Flow cytometry assays showed that I3M could not only induce OS cell apoptosis in a time- and dose-dependent manner but also regulate the cell cycle distribution. Additionally, we demonstrated that several Bcl-2 family members, cyclin-dependent kinases (CDKs) and cyclins contributed to this process. Furthermore, out data verified that I3M suppressed OS cell migration and invasion by decreasing MMP-2 and MMP-9 levels. Moreover, survivin and focal adhesion kinase (FAK) might play important roles in the anti-OS effects of I3M. The administration of I3M also inhibited the OS cell growth in mice. Taken together, our results indicated the inhibitory effects of I3M against human OS and thus might be an efficient candidate for OS chemotherapy.
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Affiliation(s)
- Yi Zhang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lu Song
- Department of Gerontology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Jiazhen Li
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yan Zhang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xinchang Lu
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Bin Zhang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Prakash O, Usmani S, Singh R, Mahapatra DK, Gupta A. Cancer Chemotherapy by Novel Bio-active Natural Products: Looking Towards the Future. CURRENT CANCER THERAPY REVIEWS 2019. [DOI: 10.2174/1573394714666180321151315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Cancer is the second leading cause of death globally and accounted for
8.8 million deaths annually in humans. Lung, prostate, colorectal, stomach and liver cancer are the
most common types of cancer in men, while breast, colorectal, lung, cervix and stomach cancer
are the most common among women. Numerous drugs that the US Food and Drug Administration
(FDA) have approved for use in cancer therapy are derived from plants, including taxanes such as
paclitaxel and vinca alkaloids such as vincristine and vinblastine. Still, there is an intense need for
a search for numerous bioactive sources to develop a novel anti-cancer drug to overcome this
chronic disorder. About more than thirty plants derived natural products have been isolated till
date and are currently under clinical trials. As per literature survey from various journals and texts
has been found to be novel medicinal agents from bioactive sources are clinically active against
various types of cancer cells.
Conclusion:
Current review has been highlighted on the novel medicinal agents from plant
sources have potential effects against many types of cancer, which have been supported by clinical
trials. The main findings of these active novel medicinal agents were also summarized and
discussed here.
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Affiliation(s)
- Om Prakash
- Goel Institute of Pharmacy and Sciences, Faizabad Road, Lucknow, Uttar Pradesh, India
| | - Shazia Usmani
- Faculty of Pharmacy, Integral University, Dasauli, Kursi Road, Lucknow, Uttar Pradesh, India
| | - Ruchi Singh
- Goel Institute of Pharmacy and Sciences, Faizabad Road, Lucknow, Uttar Pradesh, India
| | - Debarshi K. Mahapatra
- Department of Pharmaceutical Chemistry, Dadasaheb Balpande College of Pharmacy, Nagpur, Maharashtra, India
| | - Amresh Gupta
- Goel Institute of Pharmacy and Sciences, Faizabad Road, Lucknow, Uttar Pradesh, India
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Singer D, Thamm K, Zhuang H, Karbanová J, Gao Y, Walker JV, Jin H, Wu X, Coveney CR, Marangoni P, Lu D, Grayson PRC, Gulsen T, Liu KJ, Ardu S, Wann AK, Luo S, Zambon AC, Jetten AM, Tredwin C, Klein OD, Attanasio M, Carmeliet P, Huttner WB, Corbeil D, Hu B. Prominin-1 controls stem cell activation by orchestrating ciliary dynamics. EMBO J 2018; 38:embj.201899845. [PMID: 30523147 PMCID: PMC6331727 DOI: 10.15252/embj.201899845] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 10/22/2018] [Accepted: 10/23/2018] [Indexed: 01/09/2023] Open
Abstract
Proper temporal and spatial activation of stem cells relies on highly coordinated cell signaling. The primary cilium is the sensory organelle that is responsible for transmitting extracellular signals into a cell. Primary cilium size, architecture, and assembly-disassembly dynamics are under rigid cell cycle-dependent control. Using mouse incisor tooth epithelia as a model, we show that ciliary dynamics in stem cells require the proper functions of a cholesterol-binding membrane glycoprotein, Prominin-1 (Prom1/CD133), which controls sequential recruitment of ciliary membrane components, histone deacetylase, and transcription factors. Nuclear translocation of Prom1 and these molecules is particularly evident in transit amplifying cells, the immediate derivatives of stem cells. The absence of Prom1 impairs ciliary dynamics and abolishes the growth stimulation effects of sonic hedgehog (SHH) treatment, resulting in the disruption of stem cell quiescence maintenance and activation. We propose that Prom1 is a key regulator ensuring appropriate response of stem cells to extracellular signals, with important implications for development, regeneration, and diseases.
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Affiliation(s)
- Donald Singer
- Peninsula Dental School, University of Plymouth, Plymouth, UK
| | - Kristina Thamm
- Tissue Engineering Laboratories, Biotechnology Center and Center for Molecular and Cellular Bioengineering, Technische Universität Dresden, Dresden, Germany
| | - Heng Zhuang
- Peninsula Dental School, University of Plymouth, Plymouth, UK.,Department of Cariology, Endodontology and Operative Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Jana Karbanová
- Tissue Engineering Laboratories, Biotechnology Center and Center for Molecular and Cellular Bioengineering, Technische Universität Dresden, Dresden, Germany
| | - Yan Gao
- Peninsula Dental School, University of Plymouth, Plymouth, UK.,Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | | | - Heng Jin
- Department of Internal Medicine, University of Iowa, Iowa City, IA, USA.,Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiangnan Wu
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California, San Francisco, CA, USA
| | - Clarissa R Coveney
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Pauline Marangoni
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California, San Francisco, CA, USA
| | - Dongmei Lu
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | | | - Tulay Gulsen
- Peninsula Dental School, University of Plymouth, Plymouth, UK
| | - Karen J Liu
- Centre for Craniofacial and Regenerative Biology, King's College London, London, UK
| | - Stefano Ardu
- Division of Cariology & Endodontology, Dental School, University of Geneva, Geneva, Switzerland
| | - Angus Kt Wann
- Arthritis Research UK Centre for Osteoarthritis Pathogenesis, Kennedy Institute, Nuffield Department for Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Shouqing Luo
- Peninsula Medical School, University of Plymouth, Plymouth, UK
| | | | - Anton M Jetten
- Cell Biology Section, Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | | | - Ophir D Klein
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California, San Francisco, CA, USA.,Department of Pediatrics and Institute for Human Genetics, University of California, San Francisco, CA, USA
| | - Massimo Attanasio
- Department of Internal Medicine, University of Iowa, Iowa City, IA, USA
| | - Peter Carmeliet
- Department of Oncology, Laboratory of Angiogenesis and Vascular Metabolism, KU Leuven, Leuven, Belgium.,VIB-KU Leuven Center for Cancer Biology, Leuven, Belgium
| | - Wieland B Huttner
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Denis Corbeil
- Tissue Engineering Laboratories, Biotechnology Center and Center for Molecular and Cellular Bioengineering, Technische Universität Dresden, Dresden, Germany
| | - Bing Hu
- Peninsula Dental School, University of Plymouth, Plymouth, UK
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38
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Synthesis of new indirubin derivatives and their in vitro anticancer activity. CHEMICAL PAPERS 2018. [DOI: 10.1007/s11696-018-0659-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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39
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Zhivkova V, Kiecker F, Langer P, Eberle J. Crucial role of reactive oxygen species (ROS) for the proapoptotic effects of indirubin derivative DKP-073 in melanoma cells. Mol Carcinog 2018; 58:258-269. [PMID: 30320471 DOI: 10.1002/mc.22924] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 09/27/2018] [Accepted: 10/09/2018] [Indexed: 01/07/2023]
Abstract
Melanoma represents a prime example demonstrating the success of targeted therapy in cancer. Nevertheless, it remained a deadly disease until now, and the identification of new, independent strategies as well as the understanding of their molecular mechanisms may help to finally overcome the high mortality. Both indirubins and TNF-related apoptosis-inducing ligand (TRAIL) represent promising candidates. Here, the indirubin derivative DKP-073 is shown to trigger apoptosis in melanoma cells, which is enhanced by the combination with TRAIL and is accompanied by complete loss of cell viability. Addressing the signaling cascade, characteristic molecular steps were identified as caspase-3 activation, downregulation of XIAP, upregulation of p53 and TRAIL receptor 2, loss of mitochondrial membrane potential, and STAT-3 dephosphorylation. The decisive step, however, turned out to be the early production of ROS already at 1 h. This was proven by antioxidant pretreatment, which completely abolished apoptosis induction and loss of cell viability as well as abrogated all signaling effects listed above. Thus, ROS appeared as upstream of all proapoptotic signaling. The data indicate a dominant role of ROS in apoptosis regulation, and the new pathway may expose a possible Achilleś heel of melanoma.
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Affiliation(s)
- Veselina Zhivkova
- Department of Dermatology and Allergy, Skin Cancer Centre Charité, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Faculty of Science, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Felix Kiecker
- Department of Dermatology and Allergy, Skin Cancer Centre Charité, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Peter Langer
- Institute of Chemistry, University of Rostock, Rostock, Germany.,Leibniz Institute of Catalysis at the University of Rostock e.V., Rostock, Germany
| | - Jürgen Eberle
- Department of Dermatology and Allergy, Skin Cancer Centre Charité, Charité-Universitätsmedizin Berlin, Berlin, Germany
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40
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Chen L, Wang J, Wu J, Zheng Q, Hu J. Indirubin suppresses ovarian cancer cell viabilities through the STAT3 signaling pathway. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:3335-3342. [PMID: 30323565 PMCID: PMC6174913 DOI: 10.2147/dddt.s174613] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background Indirubin is the active component of Danggui Longhui Wan, a traditional Chinese medicine formulation. Due to its anti-inflammation and anti-tumor effects, indirubin has been widely used for the treatment of inflammation, cancer, and other chronic disease. Herein, we aimed to investigate the role and mechanism of indirubin in human ovarian cancer cell proliferation. Materials and methods The cell viability was determined by Cell Counting Kit-8 and colony formation assays by treatment with different dosages of indirubin over 72 hours. Apoptosis was examined by flow cytometry with fluorescein isothiocyanate Annexin V Apoptosis Detection Kit. Western blot assay was finally applied to analyze the expression of cancer-related STAT3 pathway and its downstream proteins. Results Indirubin was found to significantly inhibit cell viability and induce apoptosis in 2 human ovarian cancer cell lines. Mechanistic studies revealed that indirubin treatment led to reduced levels of phosphorylated-STAT3, thus repressing the downstream pro-survival proteins and elevating pro-apoptosis ones. Conclusion Our study provided the evidence for anti-survival activity of indirubin by inhibiting cell viability and inducing apoptosis in human ovarian cancer cells, which involved impaired STAT3 signaling pathway. Our findings further support indirubin as a potential drug candidate against human ovarian cancer.
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Affiliation(s)
- Lihong Chen
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China,
| | - Jinhua Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China,
| | - Jianbo Wu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China,
| | - Qiaomei Zheng
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China,
| | - Jifen Hu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China,
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41
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Lee MY, Li YZ, Huang KJ, Huang HC, Lin CY, Lee YR. Indirubin-3'-oxime suppresses human cholangiocarcinoma through cell-cycle arrest and apoptosis. Eur J Pharmacol 2018; 839:57-65. [PMID: 30267650 DOI: 10.1016/j.ejphar.2018.09.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 09/10/2018] [Accepted: 09/25/2018] [Indexed: 12/19/2022]
Abstract
Cholangiocarcinoma (CCA) is one of the most serious of all cancers and a major public health problem. CCA is an extremely invasive cancer, and the survival rate for CCA patients is only 24 months after diagnosis. Although surgery and chemotherapy can extend the survival rate to 5 years, < 20-40% of CCA patients will survive this long; therefore, it is crucial to discover an effective chemotherapeutic agent for CCA. Indirubin-3'-oxime (I3O), a derivative of indirubin, has been shown to suppress cell proliferation and induce cell-cycle arrest and cell apoptosis in various human cancers. In this study, four human CCA cell lines-NOZ, HuCCT1, OCUG-1, and OZ-were used to evaluate the anticancer properties of I3O. Cell viability, cell-cycle arrest, and apoptosis were assessed using Western blotting, immunofluorescence, and flow cytometry analysis. The data show that I3O treatment can inhibit cell proliferation and induce cell-cycle arrest, and caspase-dependent apoptosis in CCA cells. These findings suggest that I3O could suppress tumor growth by regulating the cell cycle and inducing apoptosis, and is a potential therapeutic agent for treating human CCA.
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Affiliation(s)
- Ming-Yang Lee
- Departments of Hematology and Oncology, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi 600, Taiwan; Departments of Nursing, Min-Hwei College of Health Care Management, Tainan 736, Taiwan.
| | - Yi-Zhen Li
- Departments of Medical Research, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi 600, Taiwan.
| | - Kao-Jean Huang
- Institute of Biologics, Development Center for Biotechnology, New Taipei City 22180, Taiwan.
| | - Hui-Chi Huang
- Development of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 40402, Taiwan.
| | - Ching-Yen Lin
- Departments of Medical Research, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi 600, Taiwan.
| | - Ying-Ray Lee
- Departments of Medical Research, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi 600, Taiwan; Departments of Nursing, Min-Hwei College of Health Care Management, Tainan 736, Taiwan.
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42
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Mohan L, Raghav D, Ashraf SM, Sebastian J, Rathinasamy K. Indirubin, a bis-indole alkaloid binds to tubulin and exhibits antimitotic activity against HeLa cells in synergism with vinblastine. Biomed Pharmacother 2018; 105:506-517. [PMID: 29883946 DOI: 10.1016/j.biopha.2018.05.127] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/18/2018] [Accepted: 05/24/2018] [Indexed: 02/01/2023] Open
Abstract
Indirubin, a bis-indole alkaloid used in traditional Chinese medicine has shown remarkable anticancer activity against chronic myelocytic leukemia. The present work was aimed to decipher the underlying molecular mechanisms responsible for its anticancer attributes. Our findings suggest that indirubin inhibited the proliferation of HeLa cells with an IC50 of 40 μM and induced a mitotic block. At concentrations higher than its IC50, indirubin exerted a moderate depolymerizing effect on the interphase microtubular network and spindle microtubules in HeLa cells. Studies with goat brain tubulin indicated that indirubin bound to tubulin at a single site with a dissociation constant of 26 ± 3 μM and inhibited the in vitro polymerization of tubulin into microtubules in the presence of glutamate as well as microtubule-associated proteins. Molecular docking analysis and molecular dynamics simulation studies indicate that indirubin stably binds to tubulin at the interface of the α-β tubulin heterodimer. Further, indirubin stabilized the binding of colchicine on tubulin and promoted the cysteine residue modification by 5,5'-dithiobis-2-nitrobenzoic acid, indicating towards alteration of tubulin conformation upon binding. In addition, we found that indirubin synergistically enhanced the anti-mitotic and anti-proliferative activity of vinblastine, a known microtubule-targeted agent. Collectively our studies indicate that perturbation of microtubule polymerization dynamics could be one of the possible mechanisms behind the anti-cancer activities of indirubin.
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Affiliation(s)
- Lakshmi Mohan
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Darpan Raghav
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Shabeeba M Ashraf
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Jomon Sebastian
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Krishnan Rathinasamy
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India.
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43
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Design, synthesis and antineoplastic activity of novel hybrids of podophyllotoxin and indirubin against human leukaemia cancer cells as multifunctional anti-MDR agents. Bioorg Med Chem Lett 2018; 28:1817-1824. [DOI: 10.1016/j.bmcl.2018.04.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/08/2018] [Accepted: 04/09/2018] [Indexed: 12/17/2022]
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44
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Stat3-positive tumor cells contribute to vessels neoformation in primary central nervous system lymphoma. Oncotarget 2018; 8:31254-31269. [PMID: 28415725 PMCID: PMC5458205 DOI: 10.18632/oncotarget.16115] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 03/01/2017] [Indexed: 12/31/2022] Open
Abstract
With the aim of elucidating the relationship between Stat3 expression and tumor vessels abnormalities in the PCNLs, in this study we evaluated Stat3 and pStat3 expression by Real-time PCR and by immunohistochemistry in biopsy sections from PCNSL patients. Correlations of the expression levels with the presence of aberrant vessels were analyzed by confocal laser microscopy analysis, using FVIII as endothelial cell marker, CD133 and nestin as cancer stem cell (CSC) marker, CD20 as tumor cell marker, and Stat3. In addition, we investigated Stat3 mutations in lymphoma cells to clarify the role of the constitutive expression of Stat3 and of its phosphorylated forms. Results showed that in PCNSL, putative endothelial cells lining the vessels are heterogeneous, expressing FVIII/ pStat3/CD133 (presumably originally they are vascular progenitor cells), as well as FVIII/CD20/CD133 (presumably originally they are tumor cells). Finally, we detected a fraction of the FVIII+ endothelial cell that co-expressed Stat3 bearing a tetraploid karyotype, while no amplification signal for the Stat3 gene was detected.
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45
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Culig Z, Puhr M. Interleukin-6 and prostate cancer: Current developments and unsolved questions. Mol Cell Endocrinol 2018; 462:25-30. [PMID: 28315704 DOI: 10.1016/j.mce.2017.03.012] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 02/27/2017] [Accepted: 03/13/2017] [Indexed: 12/16/2022]
Abstract
Interleukin (IL)-6 is a pro-inflammatory cytokine that is expressed in prostate tumors and in the stromal tumor micro-enviroment. It is known to regulate proliferation, apoptosis, angiogenesis, and differentiation. The signaling pathway of Janus kinase and signal transducer and activator of transcription (STAT)3, which is activated by IL-6, is in the focus of scientific investigations for improved treatment approaches. Different effects of IL-6 and/or STAT3 on tumor cell growth have been observed in human and murine prostate cancer (PCa) models. Experimental therapies have been proposed in order to block the IL-6/STAT3 signaling pathway. In this context, the anti-IL-6 antibody siltuximab (CNTO 328) has been demonstrated to inhibit growth of prostate tumors in vitro and in vivo and delays progression towards castration resistance. However, clinically, the anti-IL-6 antibody was not successful as a monotherapy in phase II studies in patients with metastatic PCa. IL-6 is implicated in regulation of cellular stemness by increasing phosphorylation of STAT3. The cytokine has also a role in development of resistance to the non-steroidal anti-androgen enzalutamide. Endogenous inhibitors of IL-6 are suppressors of cytokine signaling and protein inhibitors of activated STAT. Although they inhibit signal transduction through STAT3, they may also exhibit anti-apoptotic effects. On the basis of complexity of IL-6 action in PCa, an individualized approach is needed to identify patients who will benefit from anti-IL-6 therapy in combination with standard treatments.
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Affiliation(s)
- Zoran Culig
- Experimental Urology, Department of Urology, Medical University of Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria.
| | - Martin Puhr
- Experimental Urology, Department of Urology, Medical University of Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria
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46
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Metabolic engineering of Escherichia coli for the production of indirubin from glucose. J Biotechnol 2018; 267:19-28. [DOI: 10.1016/j.jbiotec.2017.12.026] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/22/2017] [Accepted: 12/31/2017] [Indexed: 11/19/2022]
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47
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Singh A, Saha ST, Perumal S, Kaur M, Kumar V. Azide-Alkyne Cycloaddition En Route to 1 H-1,2,3-Triazole-Tethered Isatin-Ferrocene, Ferrocenylmethoxy-Isatin, and Isatin-Ferrocenylchalcone Conjugates: Synthesis and Antiproliferative Evaluation. ACS OMEGA 2018; 3:1263-1268. [PMID: 30023800 PMCID: PMC6044575 DOI: 10.1021/acsomega.7b01755] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 01/10/2018] [Indexed: 05/21/2023]
Abstract
Diverse series of isatin-ferrocene conjugates were synthesized via Cu-promoted azide-alkyne cycloaddition reaction with an aim of probing their antiproliferative structure-activity relationship against MCF-7 (estrogen receptor positive) and MDA-MB-231 (triple negative) cell lines. Among the synthesized conjugates, isatin-ferrocenes proved to be more potent against MCF-7, whereas ferrocenylmethoxy-isatins exhibited activity against MDA-MB-231 cell lines. However, the introduction of chalcone moiety among these hybrids resulted in the complete loss of activity against the tested cell lines, as evident by isatin-ferrocenylchalcones. The conjugates 5a and 9c proved to be the most potent among the series against MCF-7 and MDA-MB-213 cell lines, exhibiting IC50 values of 31.62 and 20.26 μM, respectively.
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Affiliation(s)
- Amandeep Singh
- Department
of Chemistry, Guru Nanak Dev University, Amritsar 143005, India
| | - Sourav Taru Saha
- School
of Molecular and Cell Biology, University
of the Witwatersrand, Private Bag 3, Wits, 2050 Johannesburg, South Africa
| | - Shanen Perumal
- School
of Molecular and Cell Biology, University
of the Witwatersrand, Private Bag 3, Wits, 2050 Johannesburg, South Africa
| | - Mandeep Kaur
- School
of Molecular and Cell Biology, University
of the Witwatersrand, Private Bag 3, Wits, 2050 Johannesburg, South Africa
- E-mail: (M.K.)
| | - Vipan Kumar
- Department
of Chemistry, Guru Nanak Dev University, Amritsar 143005, India
- E-mail: (V.K.)
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48
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Huang Y, Wang J, Cao F, Jiang H, Li A, Li J, Qiu L, Shen H, Chang W, Zhou C, Pan Y, Lu Y. SHP2 associates with nuclear localization of STAT3: significance in progression and prognosis of colorectal cancer. Sci Rep 2017; 7:17597. [PMID: 29242509 PMCID: PMC5730547 DOI: 10.1038/s41598-017-17604-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 11/28/2017] [Indexed: 12/11/2022] Open
Abstract
Tyrosine phosphatase SHP2, encoded by PTPN11, has been implicated in many physiologic and pathologic processes in neoplastic progression. However, controversies are emerging from many studies, indicating SHP2 has a dual role in different types of tumors. We aimed to explore the role of SHP2 in progression and prognosis of colorectal cancer (CRC). SHP2 inhibited CRC cell proliferation and migration, and the phosphorylation of STAT3 was negatively regulated by SHP2 in CRC. SHP2 and nuclear STAT3 were examined in 270 CRC tissues. SHP2 was significantly correlated with nuclear STAT3 (Spearman’s rho = −0.408, P ≤ 0.001). Based on Cox regression analysis, patients with high levels of SHP2 and low levels of nuclear STAT3 had longer disease-specific survival (DSS) (HR, 0.362; 95% CI, 0.165–0.794) and disease-free survival (DFS) (HR, 0.447; 95% CI, 0.227–0.877). Further, low levels of SHP2 and high levels of nuclear STAT3 were independently associated with adverse outcomes in the whole cohort (DFS; HR, 2.353; 95% CI, 1.199–4.619). These results suggest that combination of SHP2 and nuclear STAT3 is a strong prognostic predictor in CRC.
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Affiliation(s)
- Yan Huang
- Department of Biochemical Pharmacy, School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Jie Wang
- Department of Biochemical Pharmacy, School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Fuao Cao
- Department of colorectal surgery, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Hailong Jiang
- Department of Biochemical Pharmacy, School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - An Li
- Department of Biochemical Pharmacy, School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Jianzhong Li
- Department of Biochemical Pharmacy, School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Lei Qiu
- Department of Biochemical Pharmacy, School of Pharmacy, Second Military Medical University, Shanghai, 200433, China
| | - Hao Shen
- Department of Environmental Hygiene, Second Military Medical University, Shanghai, 200433, China
| | - Wenjun Chang
- Department of Environmental Hygiene, Second Military Medical University, Shanghai, 200433, China
| | - Chuanxiang Zhou
- Department of Oral Pathology, Peking University School and Hospital of Stomatology, Beijing, 100081, China.
| | - Yamin Pan
- Department of Digestive Endoscopy, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Yiming Lu
- Department of Biochemical Pharmacy, School of Pharmacy, Second Military Medical University, Shanghai, 200433, China.
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Fogaça MV, Cândido-Bacani PDM, Benicio LM, Zapata LM, Cardoso PDF, de Oliveira MT, Calvo TR, Varanda EA, Vilegas W, de Syllos Cólus IM. Effects of indirubin and isatin on cell viability, mutagenicity, genotoxicity and BAX/ERCC1 gene expression. PHARMACEUTICAL BIOLOGY 2017; 55:2005-2014. [PMID: 28738722 PMCID: PMC7011876 DOI: 10.1080/13880209.2017.1354387] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 07/03/2017] [Accepted: 07/06/2017] [Indexed: 06/07/2023]
Abstract
CONTEXT Indigofera suffruticosa Miller (Fabaceae) and I. truxillensis Kunth produce compounds, such as isatin (ISA) and indirubin (IRN), which possess antitumour properties. Their effects in mammalian cells are still not very well understood. OBJECTIVE We evaluated the activities of ISA and/or IRN on cell viability and apoptosis in vitro, their genotoxic potentials in vitro and in vivo, and the IRN- and ISA-induced expression of ERCC1 or BAX genes. MATERIALS AND METHODS HeLa and/or CHO-K1 cell lines were tested (3 or 24 h) in the MTT, Trypan blue exclusion, acridine orange/ethidium bromide, cytokinesis-blocked micronucleus (CBMN) and comet (36, 24 and 72 h) tests after treatment with IRN (0.1 to 200 μM) or ISA (0.5 to 50 μM). Gene expression was measured by RT-qPCR in HeLa cells. Swiss albino mice received IRN (3, 4 or 24 h) by gavage (50, 100 and 150 mg/kg determined from the LD50 - 1 g/kg b.w.) and submitted to comet assay in vivo. RESULTS IRN reduced the viability of CHO-K1 (24 h; 5 to 200 μM) and HeLa cells (10 to 200 μM), and was antiproliferative in the CBMN test (CHO-K1: 0.5 to 10 μM; HeLa: 5 and 10 μM). The drug did not induce apoptosis, micronucleus neither altered gene expression. IRN and ISA were genotoxic for HeLa cells (3 and 24 h) at all doses tested. IRN (100 and 150 mg/kg) also induced genotoxicity in vivo (4 h). CONCLUSION IRN and ISA have properties that make them candidates as chemotherapeutics for further pharmacological investigations.
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Affiliation(s)
- Manoela Viar Fogaça
- Department of General Biology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | | | - Lucas Milanez Benicio
- Department of General Biology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - Lara Martinelli Zapata
- Department of General Biology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | | | | | - Tamara Regina Calvo
- Araraquara Institute of Chemistry, São Paulo State University, Araraquara, Brazil
| | - Eliana Aparecida Varanda
- Araraquara Faculty of Pharmaceutical Sciences, Department of Biological Sciences, São Paulo State University, Araraquara, Brazil
| | - Wagner Vilegas
- Araraquara Institute of Chemistry, São Paulo State University, Araraquara, Brazil
- Experimental Campus of the Paulista Coast, São Paulo State University, São Vicente, Brazil
| | - Ilce Mara de Syllos Cólus
- Department of General Biology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
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50
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Cheng X, Peuckert C, Wölfl S. Essential role of mitochondrial Stat3 in p38 MAPK mediated apoptosis under oxidative stress. Sci Rep 2017; 7:15388. [PMID: 29133922 PMCID: PMC5684365 DOI: 10.1038/s41598-017-15342-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 10/25/2017] [Indexed: 01/05/2023] Open
Abstract
Stat3 is an oncogene, frequently associated with malignant transformation. A body of evidence implicates that phospho-Stat3Y705 contributes to its nucleic translocation, while phospho-Stat3S727 leads to the accumulation in mitochondria. Both are of importance for tumor cell proliferation. In comparison to well-characterized signaling pathways interplaying with Stat3Y705, little is known about Stat3S727. In this work, we studied the influence of Stat3 deficiency on the viability of cells exposed to H2O2 or hypoxia using siRNA and CRISPR/Cas9 genome-editing. We found dysregulation of mitochondrial activity, which was associated with excessive ROS formation and reduced mitochondrial membrane potential, and observed a synergistic effect for oxidative stress-mediated apoptosis in Stat3-KD cells or cells carrying Stat3Y705F, but not Stat3S727D, suggesting the importance of functional mitochondrial Stat3 in this context. We also found that ROS-mediated activation of ASK1/p38MAPK was involved and adding antioxidants, p38MAPK inhibitor, or genetic repression of ASK1 could easily rescue the cellular damage. Our finding reveals a new role of mitochondrial Stat3 in preventing ASK1/p38MAPK-mediated apoptosis, wich further support the notion that selective inhibition mitochondrial Stat3 could provide a primsing target for chemotherapy.
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Affiliation(s)
- Xinlai Cheng
- Institut für Pharmazie und Molekulare Biotechnologie, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120, Heidelberg, Germany.
| | - Christiane Peuckert
- Department of Organismal Biology, Uppsala University, Uppsala, S-75236, Sweden
| | - Stefan Wölfl
- Institut für Pharmazie und Molekulare Biotechnologie, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120, Heidelberg, Germany
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