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Fabijańska M, Rybarczyk-Pirek AJ, Dominikowska J, Stryjska K, Żyro D, Markowicz-Piasecka M, Szynkowska-Jóźwik MI, Ochocki J, Sikora J. Silver Complexes of Miconazole and Metronidazole: Potential Candidates for Melanoma Treatment. Int J Mol Sci 2024; 25:5081. [PMID: 38791121 PMCID: PMC11121064 DOI: 10.3390/ijms25105081] [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: 04/09/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024] Open
Abstract
Melanoma, arguably the deadliest form of skin cancer, is responsible for the majority of skin-cancer-related fatalities. Innovative strategies concentrate on new therapies that avoid the undesirable effects of pharmacological or medical treatment. This article discusses the chemical structures of [(MTZ)2AgNO3], [(MTZ)2Ag]2SO4, [Ag(MCZ)2NO3], [Ag(MCZ)2BF4], [Ag(MCZ)2SbF6] and [Ag(MCZ)2ClO4] (MTZ-metronidazole; MCZ-miconazole) silver(I) compounds and the possible relationship between the molecules and their cytostatic activity against melanoma cells. Molecular Hirshfeld surface analysis and computational methods were used to examine the possible association between the structure and anticancer activity of the silver(I) complexes and compare the cytotoxicity of the silver(I) complexes of metronidazole and miconazole with that of silver(I) nitrate, cisplatin, metronidazole and miconazole complexes against A375 and BJ cells. Additionally, these preliminary biological studies found the greatest IC50 values against the A375 line were demonstrated by [Ag(MCZ)2NO3] and [(MTZ)2AgNO3]. The compound [(MTZ)2AgNO3] was three-fold more toxic to the A375 cells than the reference (cisplatin) and 15 times more cytotoxic against the A375 cells than the normal BJ cells. Complexes of metronidazole with Ag(I) are considered biocompatible at a concentration below 50 µmol/L.
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Affiliation(s)
- Małgorzata Fabijańska
- Department of Bioinorganic Chemistry, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland; (K.S.); (D.Ż.)
| | - Agnieszka J. Rybarczyk-Pirek
- Theoretical and Structural Chemistry Group, Department of Physical Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163/165, 90-236 Lodz, Poland; (A.J.R.-P.); (J.D.)
| | - Justyna Dominikowska
- Theoretical and Structural Chemistry Group, Department of Physical Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163/165, 90-236 Lodz, Poland; (A.J.R.-P.); (J.D.)
| | - Karolina Stryjska
- Department of Bioinorganic Chemistry, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland; (K.S.); (D.Ż.)
| | - Dominik Żyro
- Department of Bioinorganic Chemistry, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland; (K.S.); (D.Ż.)
| | | | - Małgorzata Iwona Szynkowska-Jóźwik
- Faculty of Chemistry, Institute of General and Ecological Chemistry, Lodz University of Technology, Zeromskiego 116, 90-543 Lodz, Poland;
| | - Justyn Ochocki
- Faculty of Pharmacy, Chair of Medicinal Chemistry, Group of Bioinorganic Chemistry Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland;
| | - Joanna Sikora
- Department of Bioinorganic Chemistry, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland; (K.S.); (D.Ż.)
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Multifunctional Silver(I) Complexes with Metronidazole Drug Reveal Antimicrobial Properties and Antitumor Activity against Human Hepatoma and Colorectal Adenocarcinoma Cells. Cancers (Basel) 2022; 14:cancers14040900. [PMID: 35205647 PMCID: PMC8869984 DOI: 10.3390/cancers14040900] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/06/2022] [Accepted: 02/07/2022] [Indexed: 12/23/2022] Open
Abstract
Simple Summary Our previous studies demonstrated that a silver(I) nitrate complex with metronidazole presented greater photo-stability, antimicrobial, cytotoxic and genotoxic properties than silver(I) nitrate. These advantages make the complex a better candidate for clinical therapy than pure salt. Therefore, in this study, we decided to synthetize and determine the chemical, cytotoxic and antimicrobial properties of [Ag(MTZ)2]2SO4, a novel metronidazole silver(I) complex, in comparison with pure salt Ag2SO4 and [Ag(MTZ)2NO3]. The photo-stability, cytotoxicity toward cancer cells and antimicrobial activity of [Ag(MTZ)2]2SO4 is higher than Ag2SO4. What is more, we found that the novel synthetized complex shows better cytotoxicity against cancer cells than [Ag(MTZ)2NO3]. Both complexes have similar biological activity against the majority of tested bacterial strains. Abstract Silver salts and azole derivatives are well known for their antimicrobial properties. Recent evidence has demonstrated also their cytotoxic and genotoxic potential toward both normal and cancer cells. Still, little is known about the action of complexes of azoles with silver(I) salts. Thus, the goal of the study was to compare the chemical, cytotoxic and antimicrobial properties of metronidazole complexes with silver(I) nitrate and silver(I) sulfate to metronidazole and pure silver(I) salts. We synthetized a novel complex, [Ag(MTZ)2]2SO4, and confirmed its chemical structure and properties using 1H and 13C NMR spectroscopy and X-Ray, IR and elemental analysis. To establish the stability of complexes [Ag(MTZ)2NO3] and [Ag(MTZ)2]2SO4, they were exposed to daylight and UV-A rays and were visually assessed. Their cytotoxicity toward human cancer cells (HepG2, Caco-2) and mice normal fibroblasts (Balb/c 3T3 clone A31) was determined by MTT, NRU, TPC and LDH assays. The micro-dilution broth method was used to evaluate their antimicrobial properties against Gram-positive and Gram-negative bacteria. A biofilm eradication study was also performed using the crystal violet method and confocal laser scanning microscopy. The photo-stability of the complexes was higher than silver(I) salts. In human cancer cells, [Ag(MTZ)2]2SO4 was more cytotoxic than Ag2SO4 and, in turn, AgNO3 was more cytotoxic than [Ag(MTZ)2NO3]. For Balb/c 3T3 cells, Ag2SO4 was more cytotoxic than [Ag(MTZ)2]2SO4, while the cytotoxicity of AgNO3 and [Ag(MTZ)2NO3] was similar. Metronidazole in the tested concentration range was non-cytotoxic for both normal and cancer cells. The complexes showed increased bioactivity against aerobic and facultative anaerobic bacteria when compared to metronidazole. For the majority of the tested bacterial strains, the silver(I) salts and complexes showed a higher antibacterial activity than MTZ; however, some bacterial strains presented the reverse effect. Our results showed that silver(I) complexes present higher photo-stability, cytotoxicity and antimicrobial activity in comparison to MTZ and, to a certain extent, to silver(I) salts.
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Scarim CB, Pavan FR. Recent advancement in drug development of nitro(NO 2 )-heterocyclic compounds as lead scaffolds for the treatment of Mycobacterium tuberculosis. Drug Dev Res 2022; 83:842-858. [PMID: 35106801 DOI: 10.1002/ddr.21921] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 12/26/2021] [Accepted: 01/13/2022] [Indexed: 11/11/2022]
Abstract
Tuberculosis (TB) is an infectious disease caused predominantly by Mycobacterium tuberculosis (Mtb). It was responsible for approximately 1.4 million deaths worldwide in 2019. The lack of new drugs to treat drug-resistant strains is a principal factor for the slow rise in TB infections. Our aim is to aid the development of new TB treatments by describing improvements (last decade, 2011-2021) to nitro(NO2 )-based compounds that have shown activity or pharmacological properties (e.g., anti-proliferative, anti-kinetoplastid) against Mtb. For all compounds, we have included final correlations of minimum inhibitory concentrations against Mtb (H37 Rv).
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Affiliation(s)
- Cauê Benito Scarim
- Department of Cell and Molecular Biology, University of Mississippi Medical Center (UMMC), Jackson, Mississippi, USA
| | - Fernando Rogério Pavan
- School of Pharmaceutical Sciences, Sao Paulo State University (UNESP), Araraquara, Sao Paulo, Brazil
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Faghih-Mirzaei E, Sabouri S, Zeidabadinejad L, AbdolahRamazani S, Abaszadeh M, Khodadadi A, Shamsadinipour M, Jafari M, Pirhadi S. Metronidazole aryloxy, carboxy and azole derivatives: Synthesis, anti-tumor activity, QSAR, molecular docking and dynamics studies. Bioorg Med Chem 2019; 27:305-314. [DOI: 10.1016/j.bmc.2018.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 11/27/2018] [Accepted: 12/03/2018] [Indexed: 01/11/2023]
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5
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Duan YT, Yao YF, Huang W, Makawana JA, Teraiya SB, Thumar NJ, Tang DJ, Tao XX, Wang ZC, Jiang AQ, Zhu HL. Synthesis, biological evaluation, and molecular docking studies of novel 2-styryl-5-nitroimidazole derivatives containing 1,4-benzodioxan moiety as FAK inhibitors with anticancer activity. Bioorg Med Chem 2014; 22:2947-54. [PMID: 24792811 DOI: 10.1016/j.bmc.2014.04.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Revised: 04/02/2014] [Accepted: 04/04/2014] [Indexed: 10/25/2022]
Abstract
A series of 2-styryl-5-nitroimidazole derivatives containing 1,4-benzodioxan moiety (3a-3r) has been designed, synthesized and their biological activities were also evaluated as potential antiproliferation and focal adhesion kinase (FAK) inhibitors. Among all the compounds, 3p showed the most potent activity in vitro which inhibited the growth of A549 with IC50 value of 3.11 μM and Hela with IC50 value of 2.54 μM respectively. Compound 3p also exhibited significant FAK inhibitory activity (IC50=0.45 μM). Docking simulation was performed for compound 3p into the FAK structure active site to determine the probable binding model.
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Affiliation(s)
- Yong-Tao Duan
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Yong-Fang Yao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Wei Huang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Jigar A Makawana
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Shashikant B Teraiya
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Nilesh J Thumar
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Dan-Jie Tang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Xiang-Xiang Tao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Zhong-Chang Wang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
| | - Ai-Qin Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing 210093, People's Republic of China
| | - Hai-Liang Zhu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China.
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Hsu MH, Wu SC, Pao KC, Unlu I, Gnabre JN, Mold DE, Huang RCC, Hwu JR. Hepatocellular carcinoma targeting agents: conjugates of nitroimidazoles with trimethyl nordihydroguaiaretic acid. ChemMedChem 2014; 9:1030-7. [PMID: 24648164 DOI: 10.1002/cmdc.201300521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 02/21/2014] [Indexed: 01/17/2023]
Abstract
Cancer has been a primary global health issue for decades, with hepatocellular carcinoma (HCC) resulting in more than half a million new cases annually. With survival rates as low as <5% after five years, it remains a poorly treated cancer. Nordihydroguaiaretic acid (NDGA), an antioxidant, was previously proven effective against cancer cells. Nitroimidazole derivatives convert into reactive compounds under hypoxic conditions. In this study, eight methylated NDGAs containing a 2- or 4-nitroimidazole moiety were synthesized as leads against HCC. Four of these conjugates, possessing a poly(ethylene glycol) tether, had superior aqueous solubility. These four NDGA-nitroimidazole conjugates were found to inhibit the proliferation HCC Hep3B cells with IC50 values between 10 and 15 μM. Furthermore, nitroimidazole-conjugated NDGA derivatives exhibit better antiproliferative activity under hypoxic conditions.
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Affiliation(s)
- Ming-Hua Hsu
- Nuclear Science & Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan 30013 (R.O.C.).
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Langenbacher M, Abdel-Jalil RJ, Voelter W, Weinmann M, Huber SM. In vitro hypoxic cytotoxicity and hypoxic radiosensitization. Efficacy of the novel 2-nitroimidazole N,N,N-tris[2-(2-nitro-1H-imidazol-1-yl)ethyl]amine. Strahlenther Onkol 2013; 189:246-54. [PMID: 23361139 DOI: 10.1007/s00066-012-0273-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2012] [Accepted: 11/08/2012] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND PURPOSE Tumor hypoxia is a major problem in radiation therapy of solid tumors because of the radiosensitizing effect of oxygen. Nitroimidazole-containing compounds are oxygen mimetics accumulating in hypoxic tumor areas. However, the broad use of 2-nitroimidazoles as a hypoxic radiosensitizer is limited by their partially low efficacy and/or high neurotoxicity. MATERIALS AND METHODS Here, we characterized the in vitro hypoxic cytotoxicity and hypoxic radiosensitizing efficacy of N,N,N-tris [2-(2-nitro-1H-imidazol-1-yl)ethyl]amine (PRC) in a hypoxia-sensitive lymphoma and a hypoxia-resistant glioblastoma cell line by colony formation assay and flow cytometry. RESULTS PRC exerted high hypoxic cytotoxic and radiosensitizing action on both cell lines at almost absent toxicity under normoxic conditions. In particular, under hypoxia, but not normoxia, PRC targeted the mitochondria resulting in oxidative stress, G(2)/M cell cycle arrest, and triggering of the intrinsic apoptosis pathway. CONCLUSION Our in vitro findings suggest that PRC might be a promising new 2-nitroimidazole for improving radiation therapy of hypoxic tumors in vivo.
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Affiliation(s)
- M Langenbacher
- Department of Radiation Oncology, Eberhard-Karls-University of Tübingen, Tübingen, Germany
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Miyake K, Nishioka M, Imura S, Batmunkh E, Uto Y, Nagasawa H, Hori H, Shimada M. The novel hypoxic cytotoxin, TX-2098 has antitumor effect in pancreatic cancer; possible mechanism through inhibiting VEGF and hypoxia inducible factor-1α targeted gene expression. Exp Cell Res 2012; 318:1554-63. [PMID: 22472348 DOI: 10.1016/j.yexcr.2012.03.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2012] [Revised: 03/16/2012] [Accepted: 03/18/2012] [Indexed: 12/11/2022]
Abstract
Tumor hypoxia has been considered to be a potential therapeutic target, because hypoxia is a common feature of solid tumors and is associated with their malignant phenotype. In the present study, we investigated the antitumor effect of a novel hypoxic cytotoxin, 3-[2-hydroxyethyl(methyl)amino]-2-quinoxalinecarbonitrile 1,4-dioxide (TX-2098) in inhibiting the expression of hypoxia inducible factor-1α (HIF-1α), and consequently vascular endothelial cell growth factor (VEGF) expression in pancreatic cancer. The antitumor effects of TX-2098 under hypoxia were tested against various human pancreatic cancer cell lines using WST-8 assay. VEGF protein induced pancreatic cancer was determined on cell-free supernatant by ELISA. Moreover, nude mice bearing subcutaneously (s.c.) or orthotopically implanted human SUIT-2 were treated with TX-2098. Tumor volume, survival and expression of HIF-1 and associated molecules were evaluated in treatment versus control groups. In vitro, TX-2098 inhibited the proliferation of various pancreatic cancer cell lines. In s.c model, tumors from nude mice injected with pancreatic cancer cells and treated with TX-2098 showed significant reductions in volume (P<0.01 versus control). Quantitative real-time reverse transcription-PCR analysis revealed that TX-2098 significantly inhibited mRNA expression of the HIF-1 associated molecules, VEGF, glucose transporter 1 and Aldolase A (P<0.01 versus control). These treatments also prolong the survival in orthotopic models. These results suggest that the effect of TX-2098 in pancreatic cancer might be correlated with the expression of VEGF and HIF-1 targeted molecules.
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Affiliation(s)
- Kotaro Miyake
- Department of Surgery, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima 770-8503, Japan.
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The Chick Embryo Chorioallantoic Membrane as an In Vivo Assay to Study Antiangiogenesis. Pharmaceuticals (Basel) 2010; 3:482-513. [PMID: 27713265 PMCID: PMC4033966 DOI: 10.3390/ph3030482] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2010] [Revised: 01/29/2010] [Accepted: 03/02/2010] [Indexed: 12/15/2022] Open
Abstract
Antiangiogenesis, e.g., inhibition of blood vessel growth, is being investigated as a way to prevent the growth of tumors and other angiogenesis-dependent diseases. Pharmacological inhibition interferes with the angiogenic cascade or the immature neovasculature with synthetic or semi-synthetic substances, endogenous inhibitors or biological antagonists.The chick embryo chorioallantoic membrane (CAM) is an extraembryonic membrane, which serves as a gas exchange surface and its function is supported by a dense capillary network. Because its extensive vascularization and easy accessibility, CAM has been used to study morphofunctional aspects of the angiogenesis process in vivo and to study the efficacy and mechanism of action of pro- and anti-angiogenic molecules. The fields of application of CAM in the study of antiangiogenesis, including our personal experience, are illustrated in this review article.
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Matsumoto K, Obara N, Ema M, Horie M, Naka A, Takahashi S, Imagawa S. Antitumor effects of 2-oxoglutarate through inhibition of angiogenesis in a murine tumor model. Cancer Sci 2009; 100:1639-47. [PMID: 19575748 PMCID: PMC11159297 DOI: 10.1111/j.1349-7006.2009.01249.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2009] [Revised: 05/27/2009] [Accepted: 05/28/2009] [Indexed: 11/29/2022] Open
Abstract
Hypoxia-inducible factor 1 (HIF-1) plays essential roles in tumor angiogenesis and growth by regulating the transcription of several key genes in response to hypoxic stress and growth factors. HIF-1 is a heterodimeric transcriptional activator consisting of inducible alpha and constitutive beta subunits. In oxygenated cells, proteins containing the prolyl hydroxylase domain (PHD) directly sense intracellular oxygen concentrations. PHDs tag HIF-1alpha subunits for polyubiquitination and proteasomal degradation by prolyl hydroxylation using 2-oxoglutarate (2-OX) and dioxygen. Our recent studies showed that 2-OX reduces HIF-1alpha, erythropoietin, and vascular endothelial growth factor (VEGF) expression in the hepatoma cell line Hep3B when under hypoxic conditions in vitro. Here, we report that similar results were obtained in Lewis lung cancer (LLC) cells in in vitro studies. Furthermore, 2-OX showed potent antitumor effects in a mouse dorsal air sac assay and a murine tumor xenograft model. In the dorsal air sac assay, 2-OX reduced the numbers of newly formed vessels induced by LLC cells. In a murine tumor xenograft model, intraperitoneal injection of 2-OX significantly inhibited tumor growth and angiogenesis in tumor tissues. Moreover, 5-fluorouracil combined with 2-OX significantly inhibited tumor growth in this model, which was accompanied by reduction of Vegf gene expression and inhibited angiogenesis in tumor tissues. These results suggest that 2-OX is a promising anti-angiogenic therapeutic agent.
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MESH Headings
- Angiogenesis Inhibitors/therapeutic use
- Animals
- Blotting, Western
- Carcinoma, Lewis Lung/blood supply
- Carcinoma, Lewis Lung/drug therapy
- Carcinoma, Lewis Lung/pathology
- Cell Proliferation
- Enzyme-Linked Immunosorbent Assay
- Flow Cytometry
- Fluorouracil/therapeutic use
- Humans
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Hypoxia-Inducible Factor 1, alpha Subunit/metabolism
- Immunoenzyme Techniques
- Ketoglutaric Acids/therapeutic use
- Male
- Melanoma, Experimental/blood supply
- Melanoma, Experimental/drug therapy
- Melanoma, Experimental/pathology
- Mice
- Mice, Inbred C57BL
- Neovascularization, Pathologic/prevention & control
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- Tumor Cells, Cultured
- Vascular Endothelial Growth Factor A/metabolism
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Ken Matsumoto
- Division of Hematology, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan.
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Synthesis and radiolabeling of new N-[(4-[18F]Fluorobenzylidene) aminooxy) alkyl]-2-nitroimidazoles as possible hypoxia imaging pharmaceuticals. J Radioanal Nucl Chem 2009. [DOI: 10.1007/s10967-009-0313-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Nakayama S, Uto Y, Tanimoto K, Okuno Y, Sasaki Y, Nagasawa H, Nakata E, Arai K, Momose K, Fujita T, Hashimoto T, Okamoto Y, Asakawa Y, Goto S, Hori H. TX-2152: A conformationally rigid and electron-rich diyne analogue of FTY720 with in vivo antiangiogenic activity. Bioorg Med Chem 2008; 16:7705-14. [DOI: 10.1016/j.bmc.2008.07.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2008] [Revised: 07/01/2008] [Accepted: 07/02/2008] [Indexed: 11/30/2022]
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Ohkura K. Exploring Unique Structures: Flexibility is a Significant Factor in Biological Activity. Biol Pharm Bull 2007; 30:1025-36. [PMID: 17541149 DOI: 10.1248/bpb.30.1025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The effect of molecular flexibility on biological activity was described for soft (e.g. hGH peptides) and hard molecules (e.g. biscoclaurine-type alkaloids). These molecules had a macrocyclic structure during molecular mechanics analysis, and the minimum essential unit, which affects insulin-involved fatty acid synthesis, was observed. The flexibility of the molecular center is concerning with biological activity through the diversification of structural feature, and compared with two types of molecules which have a rigid (haloacetylcarbamoyl-2-nitroimidazole analogs: chiral-TXs) or flexible (bis-quaternary ammonium compounds: bis-QACs) molecular center. Center flexibility reflected the conformation occurrence in TXs and bis-QACs. A parameter (solvation-free energy: dGW), which reflects structural hydrophobicity, was shown, and applied to the molecular design of brefeldin A analog. This hydrophobic index was very useful, and was used for conformational analysis of chiral-TXs and bis-QACs. In molecular dynamics analysis of cholesterol-dependent cytolysin (e.g. streptolysin O) and -independent cytolysin (e.g. intermedilysin), whole molecules moved like a bow and different conformations were shown in every moment. In such situations, the membrane-associated 11mer region in these cytolysins were flexible and could always interact with extramolecular factors (e.g. membrane constitution).
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Affiliation(s)
- Kazuto Ohkura
- Faculty of Pharmacy, Chiba Institute of Science, Japan.
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He XP, Li ZS, Zhu RM, Tu ZX, Gao J, Pan X, Gong YF, Jin J, Man XH, Wu HY, Xu AF. Effects of recombinant human canstatin protein in the treatment of pancreatic cancer. World J Gastroenterol 2006; 12:6652-7. [PMID: 17075979 PMCID: PMC4125671 DOI: 10.3748/wjg.v12.i41.6652] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To examine the effect of canstatin, a newly discovered endogenous inhibitor of angiogenesis, in the treatment of pancreatic cancer in vivo.
METHODS: The canstatin cDNA fragment was synthesized and amplified from the total RNA extracted from human placenta tissues by RT-PCR. The resulting product was firstly cloned into pUCm-T vector, then into plasmid pET-22b (+) and transformed into E. coli BL21. Isopropyl-1-thio-b-Dgalactopyran-oside (IPTG) was used to induce the expression of canstatin protein and affinity chromatography was used to purify the protein. To determine the activity of purified recombinant human canstatin (rhCanstatin), orthotopic xenograft human pancreatic cancer models were established. Human pancreatic cancer cells (SW1990) were injected into the pancreas of BALB/c nude mice. Twenty-four nude mice with orthotopic xenograft tumor were randomly divided into 3 groups 10 d after the inoculation, and were treated with PBS 0.3 mL, or canstatin 5 mg/kg, or 10 mg/kg per day for 3 wk intraperitoneally. When the experiment was over, all tumors were resected and the effects of rhCanstatin on tumor growth, microvessel density (MVD) were analyzed.
RESULTS: After IPTG induction, SDS-PAGE showed a new monomeric 24 kDa protein band. This protein was purified through affinity chromatography and refolded through dialysis with a final concentration of 60 mg/L. In orthotopic pancreatic cancer models, the final tumor volume in groups treated with PBS, canstatin 5 mg/kg, 10 mg/kg were 355.21 ± 39.54 mm3, 112.73 ± 10.47 mm3, and 61.75 ± 6.99 mm3 respectively. The immunohistochemical examination showed that the MVD in tumors treated with canstatin was significantly less than that in other group.
CONCLUSION: These findings demonstrate that the rhCanstatin effectively retards the growth of pancreatic cancer in a dose-dependent manner through inhibiting angiogenesis and may be a promising therapeutic agent for pancreatic cancer treatment in the clinic.
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Affiliation(s)
- Xiao-Ping He
- Department of Gastroenterology, Nanjing General Hospital, Jiangsu Province, and Second Military Medical University, Shanghai, China
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Deocaris CC, Castro MCPD, Oabel AT, L. Co E, Mojica ERE. Screening for Anti-angiogenic Activity in Shiitake Mushroom (Lentinus edodes Berk) Extracts. JOURNAL OF MEDICAL SCIENCES 2004. [DOI: 10.3923/jms.2005.43.46] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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He XP, Li ZS, Tu ZX, Pan X, Gong YF, Gao J, Jin J. Molecular cloning of human canstatin gene. Shijie Huaren Xiaohua Zazhi 2004; 12:2329-2332. [DOI: 10.11569/wcjd.v12.i10.2329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To clone human canstatin gene and to detect and analyze its coding sequence.
METHODS: The total RNA was extracted from human placenta. The canstatin gene fragment was synthesized and amplified from the total RNA by RT-PCR. pUCm-T vector was cloned into the RT-PCR product to obtain recombinant pUCm-T/ canstatin. The pUCm-T/canstatin was then transformed into E.coli DH 5a, and sequence of the gene was detected.
RESULTS: The extracted total RNA was separated into three clear bands indicating 28 S, 18 S, and 5 S after electrop-horesis. The values of A260 and A280 were 0.879 and 0.410 respectively (A260:A280 = 2.095). The concentration of total RNA was 1.8 g/L. The PCR product was the same as target gene canstatin. BamH I and Hind III digestion proved the final product positive. The sequence of the cloned gene (684 bp) completely matched with that of canstatin gene in Genbank.
CONCLUSION: Human canstatin gene is successfully cloned, which establishes the foundation for further study of its anti-tumor activity.
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Jin CZ, Nagasawa H, Shimamura M, Uto Y, Inayama S, Takeuchi Y, Kirk KL, Hori H. Angiogenesis inhibitor TX-1898: syntheses of the enantiomers of sterically diverse haloacetylcarbamoyl-2-nitroimidazole hypoxic cell radiosensitizers. Bioorg Med Chem 2004; 12:4917-27. [PMID: 15336271 DOI: 10.1016/j.bmc.2004.06.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2004] [Revised: 06/28/2004] [Accepted: 06/28/2004] [Indexed: 10/26/2022]
Abstract
(R)- and (S)-Epichlorohydrins were used to prepare the enantiomers of sterically diverse haloacetylcarbamoyl-2-nitroimidazoles that function as hypoxic cell radiosensitizers. The synthetic design allowed for introduction of a side chain of varying bulk that permitted an examination of the steric effects on enantio-discrimination in biological assay systems. The single stereocenter also connected the two pharmacophores--a 2-nitroimidazole moiety critical to hypoxic cell radiosensitization, and a haloacetylcarbamoyl group to function as an anti-angiogenesis pharmacophore. In the chick embryo chorioallantoic membrane (CAM) assay, the R-enantiomers possessing the bulky p-tert-butylphenyl group showed higher anti-angiogenic activity than the corresponding S-enantiomers, while there were no differences in the activity between the enantiomers containing the less bulky methyl and tert-butyl groups. Among the compounds we report, R-p-tert-butylphenyl-bromoacetylcarbamoyl-2-nitroimidazole, TX-1898, was found to be the most promising candidate for further development of as anti-angiogenic hypoxic cell radiosensitizer.
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Affiliation(s)
- Cheng-Zhe Jin
- Department of Biological Science and Technology, Faculty of Engineering, University of Tokushima, Tokushima 770-8506, Japan
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Shimamura M, Yamamoto Y, Ashino H, Oikawa T, Hazato T, Tsuda H, Iigo M. Bovine lactoferrin inhibits tumor-induced angiogenesis. Int J Cancer 2004; 111:111-6. [PMID: 15185351 DOI: 10.1002/ijc.20187] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Recent studies have demonstrated that bovine lactoferrin (bLF) suppresses tumor growth and metastasis in the mouse and rat and moreover may inhibit angiogenesis. To determine whether angiogenesis inhibition might contribute to antitumor activity, we examined the influence of bLF on tumor-induced angiogenesis and endothelial cell functions as well as angiogenesis-related cytokine production. Bovine LF exhibited dose-dependent inhibition of angiogenesis on 4-6-day-old chick embryo chorioallantoic membranes (CAMs) that lack a mature immune response. This inhibition was reversed when bLF was simultaneously treated with basic fibroblast growth factor (bFGF). It also inhibited in vitro formation of tube-like structures of mouse endothelial KOP2.16 cells. Moreover, it potently suppressed bFGF- or VEGF-induced proliferation of mouse endothelial KOP2.16 cells, but not of mouse fibroblast A31 cells and Lewis lung carcinoma (3LL) cells. In mice, both orally and intraperitoneally administered bLF significantly and dose-dependently suppressed 3LL cell-induced angiogenesis in a dorsal air sac assay. As orally administered bLF was reported to exhibit antitumor activity through production of interferon (IFN)-gamma and interleukin (IL)-18 in intestinal mucosa (Kuhara T et al., Nutr Cancer 2000;38:192-9), production of these cytokines in mouse serum and peritoneal macrophages by bLF was examined. IFN-gamma was not detected in serum by bLF administration. However, bLF markedly elevated IL-18 concentration in serum by oral administration, but not by intraperitoneal administration. It also induced IL-18 in peritoneal macrophages in vitro. These results suggest that bLF participates as a regulator of angiogenesis, possibly explained by blocking endothelial function and inducing IL-18 production. Antitumor activity of bLF may thus be partly mediated by angiogenesis inhibition.
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Affiliation(s)
- Mariko Shimamura
- Medical R&D Center, The Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
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Pralhad T, Madhusudan S, Rajendrakumar K. Concept, mechanisms and therapeutics of angiogenesis in cancer and other diseases. J Pharm Pharmacol 2003; 55:1045-53. [PMID: 12956893 DOI: 10.1211/0022357021819] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Angiogenesis supports normal physiology as well as contributing to the progression of various diseases including cancer. Determination of the key role of angiogenesis in cancer has led to much optimism for the development of targeted drugs without cytotoxic side-effects. Currently, research in angiogenesis therapy is robust, with the discovery of a growing number of pro- and anti-angiogenic molecules. More time, however, is required to be able to elucidate the complex interactions among these molecules, how they affect vasculature and their functions in different environments. As we learn more about the molecular mechanisms of angiogenesis, a number of effective methods to treat cancer and other diseases will be developed.
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Affiliation(s)
- Tayade Pralhad
- Department of Pharmaceutics, Bombay College of Pharmacy, Kalina, Santacruz (E), Mumbai-400 098, India.
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