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Nounu A, Greenhough A, Heesom KJ, Richmond RC, Zheng J, Weinstein SJ, Albanes D, Baron JA, Hopper JL, Figueiredo JC, Newcomb PA, Lindor NM, Casey G, Platz EA, Le Marchand L, Ulrich CM, Li CI, van Duijnhoven FJB, Gsur A, Campbell PT, Moreno V, Vodicka P, Vodickova L, Brenner H, Chang-Claude J, Hoffmeister M, Sakoda LC, Slattery ML, Schoen RE, Gunter MJ, Castellví-Bel S, Kim HR, Kweon SS, Chan AT, Li L, Zheng W, Bishop DT, Buchanan DD, Giles GG, Gruber SB, Rennert G, Stadler ZK, Harrison TA, Lin Y, Keku TO, Woods MO, Schafmayer C, Van Guelpen B, Gallinger S, Hampel H, Berndt SI, Pharoah PDP, Lindblom A, Wolk A, Wu AH, White E, Peters U, Drew DA, Scherer D, Bermejo JL, Williams AC, Relton CL. A Combined Proteomics and Mendelian Randomization Approach to Investigate the Effects of Aspirin-Targeted Proteins on Colorectal Cancer. Cancer Epidemiol Biomarkers Prev 2021; 30:564-575. [PMID: 33318029 PMCID: PMC8086774 DOI: 10.1158/1055-9965.epi-20-1176] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/09/2020] [Accepted: 12/09/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Evidence for aspirin's chemopreventative properties on colorectal cancer (CRC) is substantial, but its mechanism of action is not well-understood. We combined a proteomic approach with Mendelian randomization (MR) to identify possible new aspirin targets that decrease CRC risk. METHODS Human colorectal adenoma cells (RG/C2) were treated with aspirin (24 hours) and a stable isotope labeling with amino acids in cell culture (SILAC) based proteomics approach identified altered protein expression. Protein quantitative trait loci (pQTLs) from INTERVAL (N = 3,301) and expression QTLs (eQTLs) from the eQTLGen Consortium (N = 31,684) were used as genetic proxies for protein and mRNA expression levels. Two-sample MR of mRNA/protein expression on CRC risk was performed using eQTL/pQTL data combined with CRC genetic summary data from the Colon Cancer Family Registry (CCFR), Colorectal Transdisciplinary (CORECT), Genetics and Epidemiology of Colorectal Cancer (GECCO) consortia and UK Biobank (55,168 cases and 65,160 controls). RESULTS Altered expression was detected for 125/5886 proteins. Of these, aspirin decreased MCM6, RRM2, and ARFIP2 expression, and MR analysis showed that a standard deviation increase in mRNA/protein expression was associated with increased CRC risk (OR: 1.08, 95% CI, 1.03-1.13; OR: 3.33, 95% CI, 2.46-4.50; and OR: 1.15, 95% CI, 1.02-1.29, respectively). CONCLUSIONS MCM6 and RRM2 are involved in DNA repair whereby reduced expression may lead to increased DNA aberrations and ultimately cancer cell death, whereas ARFIP2 is involved in actin cytoskeletal regulation, indicating a possible role in aspirin's reduction of metastasis. IMPACT Our approach has shown how laboratory experiments and population-based approaches can combine to identify aspirin-targeted proteins possibly affecting CRC risk.
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Affiliation(s)
- Aayah Nounu
- Medical Research Council (MRC) Integrative Epidemiology Unit, Bristol Medical School, University of Bristol, Bristol, United Kingdom.
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Alexander Greenhough
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
- Centre for Research in Biosciences, The Faculty of Health and Applied Sciences, The University of the West of England, Bristol, United Kingdom
| | - Kate J Heesom
- Proteomics Facility, Faculty of Life Sciences, University of Bristol, Bristol, United Kingdom
| | - Rebecca C Richmond
- Medical Research Council (MRC) Integrative Epidemiology Unit, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Jie Zheng
- Medical Research Council (MRC) Integrative Epidemiology Unit, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Stephanie J Weinstein
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Demetrius Albanes
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - John A Baron
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - John L Hopper
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
- Department of Epidemiology, School of Public Health and Institute of Health and Environment, Seoul National University, Seoul, South Korea
| | - Jane C Figueiredo
- Department of Medicine, Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, California
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Polly A Newcomb
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
- School of Public Health, University of Washington, Seattle, Washington
| | - Noralane M Lindor
- Department of Health Science Research, Mayo Clinic, Scottsdale, Arizona
| | - Graham Casey
- Center for Public Health Genomics, University of Virginia, Charlottesville, Virginia
| | - Elizabeth A Platz
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | | | - Cornelia M Ulrich
- Huntsman Cancer Institute and Department of Population Health Sciences, University of Utah, Salt Lake City, Utah
| | - Christopher I Li
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | | | - Andrea Gsur
- Institute of Cancer Research, Department of Medicine I, Medical University Vienna, Vienna, Austria
| | - Peter T Campbell
- Behavioral and Epidemiology Research Group, American Cancer Society, Atlanta, Georgia
| | - Víctor Moreno
- Oncology Data Analytics Program, Catalan Institute of Oncology-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Barcelona, Spain
- ONCOBEL Program, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Pavel Vodicka
- Department of Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic
- Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, Prague, Czech Republic
- Faculty of Medicine and Biomedical Center in Pilsen, Charles University, Pilsen, Czech Republic
| | - Ludmila Vodickova
- Department of Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic
- Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, Prague, Czech Republic
- Faculty of Medicine and Biomedical Center in Pilsen, Charles University, Pilsen, Czech Republic
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- University Medical Centre Hamburg-Eppendorf, University Cancer Centre Hamburg (UCCH), Hamburg, Germany
| | - Michael Hoffmeister
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Lori C Sakoda
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Martha L Slattery
- Department of Internal Medicine, University of Utah, Salt Lake City, Utah
| | - Robert E Schoen
- Department of Medicine and Epidemiology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Marc J Gunter
- Nutrition and Metabolism Section, International Agency for Research on Cancer, World Health Organization, Lyon, France
| | - Sergi Castellví-Bel
- Gastroenterology Department, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), University of Barcelona, Barcelona, Spain
| | - Hyeong Rok Kim
- Department of Surgery, Chonnam National University Hwasun Hospital and Medical School, Hwasun, Korea
| | - Sun-Seog Kweon
- Department of Preventive Medicine, Chonnam National University Medical School, Gwangju, Korea
- Jeonnam Regional Cancer Center, Chonnam National University Hwasun Hospital, Hwasun, Korea
| | - Andrew T Chan
- Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
- Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts
| | - Li Li
- Department of Family Medicine, University of Virginia, Charlottesville, Virginia
| | - Wei Zheng
- Division of Epidemiology, Department of Medicine, Vanderbilt-Ingram Cancer Center, Vanderbilt Epidemiology Center, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - D Timothy Bishop
- Leeds Institute of Cancer and Pathology, University of Leeds, Leeds, United Kingdom
| | - Daniel D Buchanan
- Colorectal Oncogenomics Group, Department of Clinical Pathology, The University of Melbourne, Parkville, Victoria, Australia
- University of Melbourne Centre for Cancer Research, Victorian Comprehensive Cancer Centre, Parkville, Victoria, Australia
- Genetic Medicine and Family Cancer Clinic, The Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Graham G Giles
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, Victoria, Australia
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Victoria, Australia
| | - Stephen B Gruber
- Department of Preventive Medicine & USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Gad Rennert
- Department of Community Medicine and Epidemiology, Lady Davis Carmel Medical Center, Haifa, Israel
- Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
- Clalit National Cancer Control Center, Haifa, Israel
| | - Zsofia K Stadler
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Tabitha A Harrison
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Yi Lin
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Temitope O Keku
- Center for Gastrointestinal Biology and Disease, University of North Carolina, Chapel Hill, North Carolina
| | - Michael O Woods
- Discipline of Genetics, Memorial University of Newfoundland, St. John's, Canada
| | - Clemens Schafmayer
- Department of General Surgery, University Hospital Rostock, Rostock, Germany
| | - Bethany Van Guelpen
- Department of Radiation Sciences, Oncology Unit, Umeå University, Umeå, Sweden
- Wallenberg Centre for Molecular Medicine, Umeå University, Umeå, Sweden
| | - Steven Gallinger
- Lunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Heather Hampel
- Division of Human Genetics, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Sonja I Berndt
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Paul D P Pharoah
- Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Annika Lindblom
- Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Alicja Wolk
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Anna H Wu
- University of Southern California, Preventative Medicine, Los Angeles, California
| | - Emily White
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
- Department of Epidemiology, University of Washington School of Public Health, Seattle, Washington
| | - Ulrike Peters
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
- Department of Epidemiology, University of Washington School of Public Health, Seattle, Washington
| | - David A Drew
- Massachusetts General Hospital and Harvard Medical School, Clinical and Translational Epidemiology Unit, Boston, Massachusetts
| | - Dominique Scherer
- Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - Justo Lorenzo Bermejo
- Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany
| | - Ann C Williams
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Caroline L Relton
- Medical Research Council (MRC) Integrative Epidemiology Unit, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Wang H, Wang L, Xie Z, Zhou S, Li Y, Zhou Y, Sun M. Nitric Oxide (NO) and NO Synthases (NOS)-Based Targeted Therapy for Colon Cancer. Cancers (Basel) 2020; 12:E1881. [PMID: 32668616 PMCID: PMC7408898 DOI: 10.3390/cancers12071881] [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: 05/30/2020] [Revised: 07/10/2020] [Accepted: 07/10/2020] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most lethal malignancies worldwide and CRC therapy remains unsatisfactory. In recent decades, nitric oxide (NO)-a free-radical gas-plus its endogenous producer NO synthases (NOS), have attracted considerable attention. NO exerts dual effects (pro- and anti-tumor) in cancers. Endogenous levels of NO promote colon neoplasms, whereas exogenously sustained doses lead to cytotoxic functions. Importantly, NO has been implicated as an essential mediator in many signaling pathways in CRC, such as the Wnt/β-catenin and extracellular-signal-regulated kinase (ERK) pathways, which are closely associated with cancer initiation, metastasis, inflammation, and chemo-/radio-resistance. Therefore, NO/NOS have been proposed as promising targets in the regulation of CRC carcinogenesis. Clinically relevant NO-donating agents have been developed for CRC therapy to deliver a high level of NO to tumor sites. Notably, inducible NOS (iNOS) is ubiquitously over-expressed in inflammatory-associated colon cancer. The development of iNOS inhibitors contributes to targeted therapies for CRC with clinical benefits. In this review, we summarize the multifaceted mechanisms of NO-mediated networks in several hallmarks of CRC. We review the clinical manifestation and limitations of NO donors and NOS inhibitors in clinical trials. We also discuss the possible directions of NO/NOS therapies in the immediate future.
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Affiliation(s)
- Hao Wang
- College of Laboratory Medicine, Jilin Medical University, Jilin 132013, China;
| | - Liye Wang
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Zuoxu Xie
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Shuang Zhou
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Yan Li
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Yue Zhou
- Department of Statistics, North Dakota University, Fargo, ND 58105, USA;
| | - Meiyan Sun
- College of Laboratory Medicine, Jilin Medical University, Jilin 132013, China;
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Song JM, Upadhyaya P, Kassie F. Nitric oxide-donating aspirin (NO-Aspirin) suppresses lung tumorigenesis in vitro and in vivo and these effects are associated with modulation of the EGFR signaling pathway. Carcinogenesis 2019; 39:911-920. [PMID: 29982425 DOI: 10.1093/carcin/bgy049] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 03/20/2018] [Indexed: 02/01/2023] Open
Abstract
Although regular aspirin use has been shown to lower the risk of colorectal cancer, its efficacy against lung cancer is weak or inconsistent. Moreover, aspirin use increases the risk of ulcers and stomach bleeding. In this study, we determined the efficacy of nitric oxide-donating aspirin (NO-Aspirin), a safer form of aspirin in which the parent drug is linked to a nitric oxide-releasing moiety through a spacer, to suppress lung tumorigenesis. Under in vitro conditions, NO-Aspirin significantly reduced the proliferation and survival of tumorigenic bronchial cell line (1170) and non-small cell lung cancer (NSCLC) cell lines (A549, H1650, H1975 and HCC827) and colony formation by NSCLC cells at sub- or low micromolar concentrations (≤1 µM for 1170 cells and ≤6 µM for NSCLC cells) in a COX-2 independent manner. These effects were paralleled by suppression of phospho-epidermal growth factor receptor (EGFR), -STAT3, -Akt and -ERK and enhanced caspase 3 and PARP cleavage. Among NSCLC cells, EGFR mutant cells (H1650, H1975 and HCC827) were more sensitive than cells expressing wild-type EGFR (A549) and H1650 cells were the most sensitive. Moreover, NO-Aspirin sensitized H1650 and H1975 cells to the antiproliferative effects of erlotinib, a tyrosine kinase inhibitor. In in vivo studies using 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) + lipopolysaccharide (LPS)-induced model of lung tumorigenesis, NO-Aspirin significantly reduced the number and size of lung tumors, expression of phospho-EGFR and -Akt as well as the pro-inflammatory molecules TNF-α and interferon-gamma. Overall, these results indicate the potential of NO-Aspirin for the chemoprevention of lung cancer in high risk populations.
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Affiliation(s)
- Jung Min Song
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Pramod Upadhyaya
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Fekadu Kassie
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA.,College of Veterinary Medicine, University of Minnesota, Saint Paul, MN, USA
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Clinically Relevant Anti-Inflammatory Agents for Chemoprevention of Colorectal Cancer: New Perspectives. Int J Mol Sci 2018; 19:ijms19082332. [PMID: 30096840 PMCID: PMC6121559 DOI: 10.3390/ijms19082332] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 07/31/2018] [Accepted: 08/03/2018] [Indexed: 12/12/2022] Open
Abstract
Substantial efforts are underway for prevention of early stages or recurrence of colorectal cancers (CRC) or new polyp formation by chemoprevention strategies. Several epidemiological, clinical and preclinical studies to date have supported the chemopreventive potentials of several targeted drug classes including non-steroidal anti-inflammatory drugs (NSAIDs) (aspirin, naproxen, sulindac, celecoxib, and licofelone), statins and other natural agents—both individually, and in combinations. Most preclinical trials although were efficacious, only few agents entered clinical trials and have been proven to be potential chemopreventive agents for colon cancer. However, there are limitations for these agents that hinder their approval by the food and drug administration for chemoprevention use in high-risk individuals and in patients with early stages of CRC. In this review, we update the recent advancement in pre-clinical and clinical development of selected anti-inflammatory agents (aspirin, naproxen, sulindac, celecoxib, and licofelone) and their combinations for further development as novel colon cancer chemopreventive drugs. We provide further new perspectives from this old research, and insights into precision medicine strategies to overcome unwanted side-effects and overcoming strategies for colon cancer chemoprevention.
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Roos J, Peters M, Maucher IV, Kühn B, Fettel J, Hellmuth N, Brat C, Sommer B, Urbschat A, Piesche M, Vogel A, Proschak E, Blöcher R, Buscató E, Häfner AK, Matrone C, Werz O, Heidler J, Wittig I, Angioni C, Geisslinger G, Parnham MJ, Zacharowski K, Steinhilber D, Maier TJ. Drug-Mediated Intracellular Donation of Nitric Oxide Potently Inhibits 5-Lipoxygenase: A Possible Key to Future Antileukotriene Therapy. Antioxid Redox Signal 2018; 28:1265-1285. [PMID: 28699354 DOI: 10.1089/ars.2017.7155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
AIMS 5-Lipoxygenase (5-LO) is the key enzyme of leukotriene (LT) biosynthesis and is critically involved in a number of inflammatory diseases such as arthritis, gout, bronchial asthma, atherosclerosis, and cancer. Because 5-LO contains critical nucleophilic amino acids, which are sensitive to electrophilic modifications, we determined the consequences of a drug-mediated intracellular release of nitric oxide (NO) on 5-LO product formation by human granulocytes and on 5-LO-dependent pulmonary inflammation in vivo. RESULTS Clinically relevant concentrations of NO-releasing nonsteroidal anti-inflammatory drugs and other agents releasing NO intracellularly suppress 5-LO product synthesis in isolated human granulocytes via direct S-nitrosylation of 5-LO at the catalytically important cysteines 416 and 418. Furthermore, suppression of 5-LO product formation was observed in ionophore-stimulated human whole blood and in an animal model of pulmonary inflammation. INNOVATION Here, we report for the first time that drugs releasing NO intracellularly are efficient 5-LO inhibitors in vitro and in vivo at least equivalent to approved 5-LO inhibitors. CONCLUSION Our findings provide a novel mechanistic strategy for the development of a new class of drugs suppressing LT biosynthesis by site-directed nitrosylation. The results may also help to better understand the well-recognized anti-inflammatory clinically relevant actions of NO-releasing drugs. Furthermore, our study describes in detail a novel molecular mode of action of NO. Rebound Track: This work was rejected during standard peer review and rescued by Rebound Peer Review (Antioxid Redox Signal 16: 293-296, 2012) with the following serving as open reviewers: Angel Lanas, Hartmut Kühn, Joan Clària, Orina Belton. Antioxid. Redox Signal. 28, 1265-1285.
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Affiliation(s)
- Jessica Roos
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany .,2 Department for Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt , Frankfurt, Germany
| | - Marcus Peters
- 3 Department of Experimental Pneumology, Ruhr University Bochum , Bochum, Germany
| | - Isabelle V Maucher
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Benjamin Kühn
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Jasmin Fettel
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Nadine Hellmuth
- 2 Department for Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt , Frankfurt, Germany
| | - Camilla Brat
- 2 Department for Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt , Frankfurt, Germany
| | - Benita Sommer
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Anja Urbschat
- 4 Department of Urology and Pediatric Urology, University Hospital Marburg, Philipps-University Marburg , Marburg, Germany .,5 Department of Biomedicine, Aarhus University , Aarhus C, Denmark
| | - Matthias Piesche
- 5 Department of Biomedicine, Aarhus University , Aarhus C, Denmark .,6 Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule , Talca, Chile
| | - Anja Vogel
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany .,7 Project Group for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME , Frankfurt, Germany
| | - Ewgenij Proschak
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - René Blöcher
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Estella Buscató
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Ann-Kathrin Häfner
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Carmela Matrone
- 5 Department of Biomedicine, Aarhus University , Aarhus C, Denmark
| | - Oliver Werz
- 8 Institute of Pharmacy, Department of Pharmaceutical and Medicinal Chemistry, Friedrich Schiller University Jena , Jena, Germany
| | - Juliana Heidler
- 9 Department of Functional Proteomics, SFB 815 Core Unit, Faculty of Medicine, Goethe-University , Frankfurt, Germany
| | - Ilka Wittig
- 9 Department of Functional Proteomics, SFB 815 Core Unit, Faculty of Medicine, Goethe-University , Frankfurt, Germany
| | - Carlo Angioni
- 10 Pharmazentrum Frankfurt/ZAFES, Institute of Clinical Pharmacology, Goethe-University , Frankfurt, Germany
| | - Gerd Geisslinger
- 7 Project Group for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME , Frankfurt, Germany .,10 Pharmazentrum Frankfurt/ZAFES, Institute of Clinical Pharmacology, Goethe-University , Frankfurt, Germany
| | - Michael J Parnham
- 7 Project Group for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME , Frankfurt, Germany
| | - Kai Zacharowski
- 2 Department for Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt , Frankfurt, Germany
| | - Dieter Steinhilber
- 1 Institute of Pharmaceutical Chemistry, Goethe-University , Frankfurt, Germany
| | - Thorsten J Maier
- 2 Department for Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt , Frankfurt, Germany .,5 Department of Biomedicine, Aarhus University , Aarhus C, Denmark
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Kashfi K. The dichotomous role of H 2S in cancer cell biology? Déjà vu all over again. Biochem Pharmacol 2018; 149:205-223. [PMID: 29397935 PMCID: PMC5866221 DOI: 10.1016/j.bcp.2018.01.042] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 01/17/2018] [Indexed: 02/09/2023]
Abstract
Nitric oxide (NO) a gaseous free radical is one of the ten smallest molecules found in nature, while hydrogen sulfide (H2S) is a gas that bears the pungent smell of rotten eggs. Both are toxic yet they are gasotransmitters of physiological relevance. There appears to be an uncanny resemblance between the general actions of these two gasotransmitters in health and disease. The role of NO and H2S in cancer has been quite perplexing, as both tumor promotion and inflammatory activities as well as anti-tumor and antiinflammatory properties have been described. These paradoxes have been explained for both gasotransmitters in terms of each having a dual or biphasic effect that is dependent on the local flux of each gas. In this review/commentary, I have discussed the major roles of NO and H2S in carcinogenesis, evaluating their dual nature, focusing on the enzymes that contribute to this paradox and evaluate the pros and cons of inhibiting or inducing each of these enzymes.
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Affiliation(s)
- Khosrow Kashfi
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, NY, USA.
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Smith KJ, Skelton H. Arachidonic Acid-Derived Bioactive Lipids: Their Role and the Role for Their Inhibitors in Dermatology. J Cutan Med Surg 2016. [DOI: 10.1177/120347540200600309] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: In addition to corticosteroids, there are increasing numbers of anti-inflammatory agents that specifically target bioactive lipids generated from arachidonic acid. Knowledge of the diverse mechanisms of action of these different bioactive lipids holds promise in the therapy of a wide spectrum of cutaneous and systemic disorders. Objective: Therapeutic manipulations of these lipid molecules through inhibition, stimulation, or direct replacement have broad physiologic effects. These therapeutic strategies not only modulate inflammation, pain, and hemostatic parameters, they also play a role in cardiac, respiratory, renal, and gastrointestinal function and disease, as well as in angiogenesis and in factors that control cell growth and apoptosis important in carcinogenesis. Conclusion: Newer drug discovery methods, including combinatorial chemistry with molecular modeling, have made it possible to develop inhibitors and analogs with increasing specificity and bioactivity and decreasing toxicity. Although the application of these analogs and inhibitors for cutaneous disease is limited today, either as primary agents or adjuvant therapy, these drugs will have a place in our therapeutic regimes of the future. We present a review of the therapeutic agents now available from manipulation of these bioactive lipids, and their role and future in dermatology.
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Affiliation(s)
- Kathleen J. Smith
- The opinions and assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the Department of the Army, the Department of the Navy, or the Department of Defense
| | - Henry Skelton
- The opinions and assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the Department of the Army, the Department of the Navy, or the Department of Defense
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Ianaro A, Cirino G, Wallace JL. Hydrogen sulfide-releasing anti-inflammatory drugs for chemoprevention and treatment of cancer. Pharmacol Res 2016; 111:652-658. [PMID: 27475881 DOI: 10.1016/j.phrs.2016.07.041] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 07/05/2016] [Accepted: 07/26/2016] [Indexed: 02/07/2023]
Abstract
For many years it has been recognized that inhibition of cyclooxygenase enzymes is effective in reducing the incidence of many types of cancer, but the adverse effects of these drug, particularly in the gastrointestinal and cardiovascular systems, limits their utility. Recently developed hydrogen sulfide-releasing anti-inflammatory drugs may be a promising option for cancer chemoprevention. In this paper we review evidence suggesting that these novel compounds are effective in a range of animal models of various types of cancer, while exhibiting greatly reduced toxicity relative to currently marketed non-steroidal anti-inflammatory drugs. Some of the possible mechanisms of action of hydrogen sulfide-releasing anti-inflammatory drugs are also discussed.
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Affiliation(s)
- Angela Ianaro
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - Giuseppe Cirino
- Department of Pharmacy, University of Naples Federico II, Naples, Italy; Faculty of Medicine, Universidade Camilo Castelo Branco, São Paulo, SP, Brazil
| | - John L Wallace
- Faculty of Medicine, Universidade Camilo Castelo Branco, São Paulo, SP, Brazil; Department of Physiology & Pharmacology, University of Calgary, Calgary, AB, Canada.
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Enhanced chemopreventive effects of a hydrogen sulfide-releasing anti-inflammatory drug (ATB-346) in experimental colorectal cancer. Nitric Oxide 2014; 41:131-7. [PMID: 24747869 DOI: 10.1016/j.niox.2014.04.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 03/13/2014] [Accepted: 04/09/2014] [Indexed: 11/23/2022]
Abstract
Regular use of nonsteroidal anti-inflammatory drugs is associated with a significantly lower incidence of several types of cancer, particularly those affecting the gastrointestinal tract. However, the propensity of these drugs to cause ulcers and bleeding in the stomach and small intestine limits their utility for chemoprevention of cancer. In the present study, we evaluated the effectiveness of a novel hydrogen sulfide-releasing derivative of naproxen in reducing the incidence of pre-cancerous lesions (aberrant crypt foci) in mice treated with the carcinogen azoxymethane. Weekly administration of azoxymethane over a 4-week period resulted in formation of an average of ∼50 aberrant crypt foci in the colon. Twice-daily treatment with naproxen at high doses significantly reduced the number of aberrant crypt foci. However, a significantly greater effect was observed with ATB-346 (H2S-releasing naproxen) and it was also effective at much lower doses, where naproxen was ineffective. The H2S-releasing moiety of ATB-346 did not significantly affect the number of aberrant crypt foci, suggesting that both the inhibition of cyclooxygenase activity and release of H2S were necessary for the enhanced chemopreventative effect. ATB-346 suppressed colonic prostaglandin synthesis and whole blood thromboxane synthesis as effectively as naproxen, but did not induce any gastrointestinal injury. These results demonstrate that ATB-346 exerts superior chemopreventive effects to those of naproxen, while sparing the gastrointestinal tract of the injury normally associated with use of the parent drug. ATB-346 may therefore be an attractive agent for chemoprevention of colon cancer, and possibly of cancers in other tissues.
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Gurpinar E, Grizzle WE, Piazza GA. COX-Independent Mechanisms of Cancer Chemoprevention by Anti-Inflammatory Drugs. Front Oncol 2013; 3:181. [PMID: 23875171 PMCID: PMC3708159 DOI: 10.3389/fonc.2013.00181] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Accepted: 06/26/2013] [Indexed: 12/21/2022] Open
Abstract
Epidemiological and clinical studies suggest that non-steroidal anti-inflammatory drugs (NSAIDs), including cyclooxygenase (COX)-2 selective inhibitors, reduce the risk of developing cancer. Experimental studies in human cancer cell lines and rodent models of carcinogenesis support these observations by providing strong evidence for the antineoplastic properties of NSAIDs. The involvement of COX-2 in tumorigenesis and its overexpression in various cancer tissues suggest that inhibition of COX-2 is responsible for the chemopreventive efficacy of these agents. However, the precise mechanisms by which NSAIDs exert their antiproliferative effects are still a matter of debate. Numerous other studies have shown that NSAIDs can act through COX-independent mechanisms. This review provides a detailed description of the major COX-independent molecular targets of NSAIDs and discusses how these targets may be involved in their anticancer effects. Toxicities resulting from COX inhibition and the suppression of prostaglandin synthesis preclude the long-term use of NSAIDs for cancer chemoprevention. Furthermore, chemopreventive efficacy is incomplete and treatment often leads to the development of resistance. Identification of alternative NSAID targets and elucidation of the biochemical processes by which they inhibit tumor growth could lead to the development of safer and more efficacious drugs for cancer chemoprevention.
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Affiliation(s)
- Evrim Gurpinar
- Department of Pharmacology and Toxicology, The University of Alabama at Birmingham , Birmingham, AL , USA
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Inhibition of pancreatic intraepithelial neoplasia progression to carcinoma by nitric oxide-releasing aspirin in p48(Cre/+)-LSL-Kras(G12D/+) mice. Neoplasia 2013; 14:778-87. [PMID: 23019409 DOI: 10.1593/neo.121026] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 06/25/2012] [Accepted: 07/10/2012] [Indexed: 12/14/2022] Open
Abstract
Nitric oxide-releasing aspirin (NO-aspirin) represents a novel class of promising chemopreventive agents. Unlike conventional nonsteroidal anti-inflammatory drugs, NO-aspirin seems to be free of adverse effects while retaining the beneficial activities of its parent compound. The effect of NO-aspirin on pancreatic carcinogenesis was investigated by assessing the development of precursor pancreatic lesions and adenocarcinomas in Kras(G12D/+) transgenic mice that recapitulate human pancreatic cancer progression. Six-week-old male p48(Cre/+)-LSL-Kras(G12D/+) transgenic mice (20 per group) were fed diets containing 0, 1000, or 2000 ppm NO-aspirin. The development of pancreatic tumors was monitored by positron emission tomography imaging. All mice were killed at the age of 41 weeks and assessed for pancreatic intraepithelial neoplasia (PanIN) and pancreatic ductal adenocarcinoma (PDAC) and for molecular changes in the tumors. Our results reveal that NO-aspirin at 1000 and 2000 ppm significantly suppressed pancreatic tumor weights, PDAC incidence, and carcinoma in situ (PanIN-3 lesions). The degree of inhibition of PanIN-3 and carcinoma was more pronounced with NO-aspirin at 1000 ppm (58.8% and 48%, respectively) than with 2000 ppm (47% and 20%, respectively). NO-aspirin at 1000 ppm significantly inhibited the spread of carcinoma in the pancreas (∼97%; P < .0001). Decreased expression of cyclooxygenase (COX; with ∼42% inhibition of total COX activity), inducible nitric oxide synthase, proliferating cell nuclear antigen, Bcl-2, cyclin D1, and β-catenin was observed, with induction of p21, p38, and p53 in the pancreas of NO-aspirin-treated mice. These results suggest that low-dose NO-aspirin possesses inhibitory activity against pancreatic carcinogenesis by modulating multiple molecular targets.
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Gao L, Williams JL. Nitric oxide-donating aspirin induces G2/M phase cell cycle arrest in human cancer cells by regulating phase transition proteins. Int J Oncol 2012; 41:325-30. [PMID: 22552812 DOI: 10.3892/ijo.2012.1455] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Accepted: 03/18/2012] [Indexed: 11/05/2022] Open
Abstract
NO-aspirin (NO-ASA), consisting of aspirin and a nitric oxide-releasing group, is safer than aspirin and effective in colon cancer prevention. Here, we examined the mechanism of action of NO-ASA by focusing primarily on its effects on the cell cycle. NO-ASA reduced the growth of several cell lines from colon, pancreas, skin, cervix and breast cancer much more potently than aspirin, with 24-h IC(50) values of 133-268 µM, while those of ASA were >1,000 µM. NO-ASA elevated the intracellular levels of reactive oxygen species, generating a state of oxidative stress. In all cell lines examined, NO-ASA induced cell cycle arrest in the G(2)/M phase transition accompanied by altered expression of G(2)/M transition-related proteins. In SW480 colon cancer cells NO-ASA modulated proteins controlling this transition. Thus, it markedly increased the levels of cyclin B1, decreased the expression of cyclin D1 and Cdc25C, and increased the Thr14/Tyr15-phosphorylation of Cdk1 while leaving unchanged its protein levels. These changes, including the G2/M arrest, were prevented by pretreating the cells with the anti-oxidant N-acetyl-cysteine, indicating that redox signaling is likely responsible for the cell cycle changes, a conclusion consistent with the known redox regulation of these proteins. Collectively, these results confirm the profound cytokinetic effect of NO-ASA and provide strong evidence that it regulates cell cycle transitions through its ability to induce oxidative stress, which activates redox signaling in the target cell.
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Affiliation(s)
- Li Gao
- Division of Cancer Prevention, Department of Medicine, Stony Brook University, Stony Brook, NY 11794-8175, USA
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McIlhatton MA, Tyler J, Kerepesi LA, Bocker-Edmonston T, Kucherlapati MH, Edelmann W, Kucherlapati R, Kopelovich L, Fishel R. Aspirin and low-dose nitric oxide-donating aspirin increase life span in a Lynch syndrome mouse model. Cancer Prev Res (Phila) 2011; 4:684-93. [PMID: 21436383 DOI: 10.1158/1940-6207.capr-10-0319] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAID) appear to be effective cancer chemopreventives. Previous cellular studies showed that aspirin (acetylsalicylic acid: ASA) and nitric oxide-donating ASA (NO-ASA) suppressed microsatellite instability (MSI) in mismatch repair (MMR)-deficient cells linked to the common cancer predisposition syndrome hereditary nonpolyposis colorectal cancer or Lynch syndrome (LS/HNPCC), at doses 300- to 3,000-fold less than ASA. Using a mouse model that develops MMR-deficient intestinal tumors that appear pathologically identical to LS/HNPCC, we show that ASA (400 mg/kg) and low-dose NO-ASA (72 mg/kg) increased life span by 18% to 21%. We also note a trend where ASA treatment resulted in intestinal tumors with reduced high MSI (H-MSI) and increased low MSI (L-MSI) as defined by the Bethesda Criteria. Low-dose NO-ASA had a minimal effect on MSI status. In contrast to previous studies, high-dose NO-ASA (720/1,500 mg/kg) treatments increased tumor burden, decreased life span, and exacerbated MSI uniquely in the LS/HNPCC mouse model. These results suggest that MMR-deficient tissues/mice may be specifically sensitive to intrinsic pharmacokinetic features of this drug. It is likely that long-term treatment with ASA may represent a chemopreventive option for LS/HNPCC patients. Moreover, as low-dose NO-ASA shows equivalent life span increase at 10-fold lower doses than ASA, it may have the potential to significantly reduce the gastropathy associated with long-term ASA treatment.
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Affiliation(s)
- Michael A McIlhatton
- Department of Molecular Virology, Immunology & Medical Genetics, Ohio State University, Columbus, OH 43210, USA
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Ashok V, Dash C, Rohan TE, Sprafka JM, Terry PD. Selective cyclooxygenase-2 (COX-2) inhibitors and breast cancer risk. Breast 2011; 20:66-70. [DOI: 10.1016/j.breast.2010.07.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2010] [Revised: 07/22/2010] [Accepted: 07/23/2010] [Indexed: 11/28/2022] Open
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Nath N, Chattopadhyay M, Kodela R, Tian S, Vlismas P, Boring D, Crowell JA, Kashfi K. Modulation of stress genes expression profile by nitric oxide-releasing aspirin in Jurkat T leukemia cells. Biochem Pharmacol 2010; 79:1759-71. [PMID: 20188076 DOI: 10.1016/j.bcp.2010.02.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2010] [Accepted: 02/16/2010] [Indexed: 12/31/2022]
Abstract
NO-donating aspirin (NO-ASA, para isomer) has been reported to exhibit strong growth inhibitory effect in Jurkat T-acute lymphoblastic leukemia (T-ALL) cells mediated in part by beta-catenin degradation and caspase activation, but the mechanism(s) still remains unclear. In this study, DNA oligoarrays with 263 genes were used to examine the gene expression profiles relating to stress and drug metabolism, and characterize the stress responses at IC(50) and subIC(50) concentrations of p-NO-ASA (20 and 10microM, respectively) in Jurkat T cells. A total of 22 genes related to heat shock response, apoptosis signaling, detoxifiers and Phase II enzymes, and regulators of cell growth were altered in expression by array analysis based on the expression fold change criteria of > or =1.5-fold or < or =0.65-fold. Real time quantitative RT-PCR confirmed that 20microM p-NO-ASA strongly upregulated the mRNA levels of two heat shock genes HSPA1A (41.5+/-7.01-fold) and HSPA6 (100.4+/-8.11-fold), and FOS (16.2+/-3.2-fold), moderately upregulated HSPH1 (1.71+/-0.43-fold), FMO4 (4.5+/-1.67-fold), CASP9 (1.77+/-0.03-fold), DDIT3 (5.6+/-0.51-fold), and downregulated NF-kappaB1 (0.54+/-0.01-fold) and CCND1 (0.69+/-0.06-fold). Protein levels of Hsp70, the product of HSPA1A, and fos were increased in p-NO-ASA-treated Jurkat T and HT-29 colon cancer cells in a dose-dependent manner. Silencing of Hsp70 enhanced the growth inhibitory effect of p-NO-ASA at low concentrations. The altered gene expression patterns by NO-ASA in Jurkat T cells suggest mechanisms for carcinogen metabolism, anti-proliferative activity and possible chemoprotective activity in T-ALL.
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Affiliation(s)
- Niharika Nath
- Department of Life Sciences, New York Institute of Technology, New York, NY 10023, USA.
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Kashfi K. Anti-inflammatory agents as cancer therapeutics. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2009; 57:31-89. [PMID: 20230759 DOI: 10.1016/s1054-3589(08)57002-5] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cancer prevention sometimes referred to as tertiary prevention or chemoprevention makes use of specific xenobiotics or drugs to prevent, delay, or retard the development of cancer. Over the last two decades or so cancer prevention has made significant strides. For example, prevention of lung cancer through smoking cessation; cervical cancer prevention through regular Pap smear tests; colon cancer prevention through screening colonoscopy; and prostate cancer reductions by prostate-specific antigen measurements in conjunction with regular prostate examinations. The seminal epidemiological observation that nonsteroidal anti-inflammatory drugs (NSAIDs) prevent colon and other cancers has provided the impetus to develop novel chemoprevention approaches against cancer. To that end, a number of "designer drugs" have been synthesized that are in different stages of development, evaluation, and deployment. Some include the cyclooxygenase-2-specific inhibitors (coxibs), nitric oxide-releasing NSAIDs (NO-NSAIDs and NONO-NSAIDs), hydrogen sulfide-releasing NSAIDs, modulators of the lipoxygenase pathway, prostanoid receptor blockers, and chemokine receptor antagonists. In addition to these novel agents, there are also a host of naturally occurring compounds/micronutrients that have chemopreventive properties. This chapter reviews these classes of compounds, their utility and mechanism(s) of action against the background of mediators that link inflammation and cancer.
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Affiliation(s)
- Khosrow Kashfi
- Department of Physiology and Pharmacology, Sophie Davis School of Biomedical Education, The City College of The City University of New York, New York 10031, USA
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Ugel S, Delpozzo F, Desantis G, Papalini F, Simonato F, Sonda N, Zilio S, Bronte V. Therapeutic targeting of myeloid-derived suppressor cells. Curr Opin Pharmacol 2009; 9:470-81. [PMID: 19616475 DOI: 10.1016/j.coph.2009.06.014] [Citation(s) in RCA: 154] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2009] [Revised: 05/27/2009] [Accepted: 06/18/2009] [Indexed: 02/08/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) represent a subset of myeloid cells that expand under pathological conditions, such as cancer development, acute and chronic infections, trauma, bone marrow transplantations, and some autoimmune diseases. MDSCs mediate a negative regulation of the immune response by affecting different T lymphocyte subsets. Potential mechanisms, which underlie this inhibitory activity range from those requiring direct cell-to-cell contact with others, more indirect, and mediated by the modification of the microenvironment. Pharmacological inhibition of MDSC suppressive pathways is a promising strategy to overcome disease-induced immune defects, which might be a key step in enhancing the effectiveness of immune-based therapies.
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Affiliation(s)
- Stefano Ugel
- Department of Oncology and Surgical Science, Via Gattamelata 64, 35128 Padova, Italy
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18
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Half E, Arber N. Colon cancer: preventive agents and the present status of chemoprevention. Expert Opin Pharmacother 2009; 10:211-9. [PMID: 19236194 DOI: 10.1517/14656560802560153] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Colorectal cancer (CRC) is one of the most common cancers worldwide and a prevalent cause of morbidity and mortality. CRC has a natural history of transition from a precursor lesion, ie adenomatous polyp to cancer, that spans over 10 to 15 years providing an extended opportunity for intervention and cancer prevention. Suppression of the carcinogenic process by use of pharmacological or natural agents is the cornerstone of chemoprevention. OBJECTIVES The aim of this review was to give an up-to-date overview on the different agents that had been studied, over the last decade, as chemopreventive agents and the current status of chemoprevention. METHODS Articles were identified by searches of PubMed and the Internet and reviewed. All articles and other referenced materials were retrieved using the keywords "colon cancer", "adenoma", "chemoprevention", "non steroidal anti-inflammatory drugs", "aspirin", "HMG-CoA reductase inhibitors", "bile acids", "Difluoromethylornithine", "hormone replacement therapy", "mesalamine", "curcumin", and "calcium". Papers were published between 1960 and 2008, with older references selected for historical significance. Only papers published in English were reviewed. RESULTS Recent preclinical as well as clinical trials have provided data on the potential benefit of a number of drugs and nutritional elements in the field of CRC prevention. Currently, only celecoxib is FDA approved for chemoprevention of CRC and only for high-risk patients with Familial Adenomatous Polyposis (FAP). This is mainly due to cardiovascular toxicity reported in individuals with a personal history of sporadic adenomas. Aspirin and sulindac have also repeatedly demonstrated efficacy in this setting. However, due to increased risk of associated GI toxicity their benefit will have to be weighed against their risk. Combination therapy, using lower doses of each medication, is drawing a great deal of attention and many studies utilizing a variety of chemopreventive agents are presently under study. Promising results have recently been published using sulindac and DFMO. CONCLUSION Many agents have shown positive results in the field of chemoprevention however, the ideal chemopreventive agent remains to be discovered with great emphasis on need not to harm. Combining different agents may maximize effectiveness while limiting drug toxicity.
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Affiliation(s)
- Elizabeth Half
- Tel Aviv University, Tel Aviv Medical Center and Sackler School of Medicine, Chaim Sheba Medical Center, Tel Hashomer and Integrated Cancer Prevention Center, Department of Gastroenterology and Hepatology, Israel.
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Mijatovic S, Maksimovic-Ivanic D, Mojic M, Malaponte G, Libra M, Cardile V, Miljkovic D, Harhaji L, Dabideen D, Cheng KF, Bevelacqua Y, Donia M, Garotta G, Al-Abed Y, Stosic-Grujicic S, Nicoletti F. Novel nitric oxide-donating compound (S,R)-3-phenyl-4,5-dihydro-5-isoxazole acetic acid–nitric oxide (GIT-27NO) induces p53 mediated apoptosis in human A375 melanoma cells. Nitric Oxide 2008; 19:177-83. [DOI: 10.1016/j.niox.2008.04.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2008] [Revised: 04/06/2008] [Accepted: 04/11/2008] [Indexed: 10/22/2022]
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Hagos GK, Abdul-Hay SO, Sohn J, Edirisinghe PD, Chandrasena REP, Wang Z, Li Q, Thatcher GRJ. Anti-inflammatory, antiproliferative, and cytoprotective activity of NO chimera nitrates of use in cancer chemoprevention. Mol Pharmacol 2008; 74:1381-91. [PMID: 18676677 DOI: 10.1124/mol.108.046664] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) have shown promise in colorectal cancer (CRC), but they are compromised by gastrotoxicity. NO-NSAIDs are hybrid nitrates conjugated to an NSAID designed to exploit the gastroprotective properties of NO bioactivity. The NO chimera ethyl 2-((2,3-bis(nitrooxy)propyl)disulfanyl)benzoate (GT-094), a novel nitrate containing an NSAID and disulfide pharmacophores, is effective in vivo in rat models of CRC and is a lead compound for design of agents of use in CRC. Preferred chemopreventive agents possess 1) antiproliferative and 2) anti-inflammatory actions and 3) the ability to induce cytoprotective phase 2 enzymes. To determine the contribution of each pharmacophore to the biological activity of GT-094, these three biological activities were studied in vitro in compounds that deconstructed the structural elements of the lead GT-094. The anti-inflammatory and antiproliferative actions of GT-094 in vivo were recapitulated in vitro, and GT-094 was seen to induce phase 2 enzymes via the antioxidant responsive element. In the variety of colon, macrophage-like, and liver cell lines studied, the evidence from structure-activity relationships was that the disulfide structural element of GT-094 is the dominant contributor in vitro to the anti-inflammatory activity, antiproliferation, and enzyme induction. The results provide a direction for lead compound refinement. The evidence for a contribution from the NO mimetic activity of nitrates in vitro was equivocal, and combinations of nitrates with acetylsalicylic acid were inactive.
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Affiliation(s)
- Ghenet K Hagos
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, USA
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21
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Maksimovic-Ivanic D, Mijatovic S, Harhaji L, Miljkovic D, Dabideen D, Fan Cheng K, Mangano K, Malaponte G, Al-Abed Y, Libra M, Garotta G, Nicoletti F, Stosic-Grujicic S. Anticancer properties of the novel nitric oxide-donating compound (S,R)-3-phenyl-4,5-dihydro-5-isoxazole acetic acid-nitric oxide in vitro and in vivo. Mol Cancer Ther 2008; 7:510-20. [PMID: 18347138 DOI: 10.1158/1535-7163.mct-07-2037] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Preclinical studies have shown that nitric oxide (NO)-donating nonsteroidal anti-inflammatory drugs possess anticancer activities. Here, we report in vitro and in vivo studies showing the antitumor effect of the NO-donating isoxazole derivative (S,R)-3-phenyl-4,5-dihydro-5-isoxazole acetic acid (GIT-27NO). GIT-27NO, but not the NO-deprived parental compound VGX-1027, significantly affected viability of both rodent (L929, B16, and C6) and human (U251, BT20, HeLa, and LS174) tumor cell lines. GIT-27NO triggered either apoptotic cell death (e.g., L929 cells) or autophagic cell death (C6 and B16 cells). Moreover, GIT-27NO hampered the viability of cisplatin-resistant B16 cells. NO scavenger hemoglobin completely prevented GIT-27NO-induced death, indicating that NO release mediated the tumoricidal effect of the compound. Increase in intracellular NO upon on the treatment was associated with intensified production of reactive oxygen species, whereas their neutralization by antioxidant N-acetylcysteine resulted in partial recovery of cell viability. The antitumor activity of the drug was mediated by the selective activation of mitogen-activated protein kinases in a cell-specific manner and was neutralized by their specific inhibitors. In vivo treatment with GIT-27NO significantly reduced the B16 melanoma growth in syngeneic C57BL/6 mice. The therapeutic effect occurred at dose (0.5 mg/mouse) up to 160 times lower than those needed to induce acute lethality (80 mg/mouse). In addition, a dose of GIT-27NO five times higher than that found effective in the melanoma model was well tolerated by the mice when administered for 4 consecutive weeks. These data warrant additional studies to evaluate the possible translation of these findings to the clinical setting.
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Affiliation(s)
- Danijela Maksimovic-Ivanic
- Department of Immunology, Institute for Biological Research Sinisa Stankovic, Belgrade University, Belgrade, Serbia
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Arber N, Levin B. Chemoprevention of colorectal neoplasia: the potential for personalized medicine. Gastroenterology 2008; 134:1224-37. [PMID: 18395100 DOI: 10.1053/j.gastro.2008.02.012] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2008] [Accepted: 02/05/2008] [Indexed: 02/07/2023]
Abstract
CRC development is a multi-step process that spans 10 to 15 years, thereby providing an opportunity for early detection and even prevention. The poor survival rate of advanced CRC has prompted the emphasis on prevention of this disease. CRC screening and removal of adenomas is an effective intervention, and is the cornerstone of prevention. However, screening efforts have had limited impact due to less than optimal compliance with guidelines. Chemoprevention involves the long-term use of a variety of oral agents that can delay, prevent or even reverse the development of adenomas in the large bowel, thus interfering with the multi-step progessing from adenoma to carcinoma. This effect is of particular importance to individuals with a hereditary prediposition to colorectal neoplasia and to those who are especially susceptile to the environmental causes of CRC. NSAIDs have drawn the most attention as chemoprevention agents. Sulindac and celecoxib are effective in promoting poly regression in high risk individuals with Familial Adenomatous Polyposis (FAP). In the more common sporadic setting the APROVe (refecoxib), APC and PreSAP (Celecoxib) trials have shown a significant reduction in adenoma recurrence but important concerns exist regarding cardiovascular toxicity associated with selective COX-2 inhibitors. These landmark studies are very important, as they provide a proof of concept that we can prevent high risk adenomas that can lead to CRC development. The ideal chemopreventive agent remains to be discovered with great emphasis on need not to harm. Possibly, combinations of agents will maximize effectiveness while limiting drug toxicity. Finally, personalized approaches will include the ability to predict risk and toxicity.
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Affiliation(s)
- Nadir Arber
- Integrated Cancer Prevention Center, Tel-Aviv Sourasky Medical Center and Tel Aviv University, Tel Aviv, Israel.
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McIlhatton MA, Tyler J, Burkholder S, Ruschoff J, Rigas B, Kopelovich L, Fishel R. Nitric oxide-donating aspirin derivatives suppress microsatellite instability in mismatch repair-deficient and hereditary nonpolyposis colorectal cancer cells. Cancer Res 2007; 67:10966-75. [PMID: 18006842 DOI: 10.1158/0008-5472.can-07-2562] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Nitric oxide-donating nonsteroidal anti-inflammatory drugs (NO-NSAIDs) are an emergent class of pharmaceutical derivatives with promising utility as cancer chemopreventive agents. Aspirin and sulindac have been shown to be effective in selecting for cells with reduced microsatellite instability (MSI) that is inherent in mismatch repair (MMR)-deficient hereditary nonpolyposis colorectal cancer (HNPCC) cells. The effect of NO-NSAIDs on MSI in MMR-deficient HNPCC cells is unknown. Here, we have examined genetically defined MMR-deficient murine embryo fibroblasts, murine colonocytes, and isogenic human HNPCC tumor cell lines treated with acetylsalicylic acid (aspirin; ASA) and three isomeric derivatives of NO-aspirin (NO-ASA). The MSI profiles were determined and compared with the Bethesda Criteria. We found that the ASA- and NO-ASA-treated MMR-deficient cell lines displayed a dose-dependent suppression of MSI that appeared as early as 8 weeks and gradually increased to include up to 67% of the microsatellite sequences examined after 19 to 20 weeks of continuous treatment. Residual resistance to microsatellite stabilization was largely confined to mononucleotide repeat sequences. Control (MMR-proficient) cells showed no changes in microsatellite status with or without treatment. The relative dose-dependent stabilization selection was: ortho-NO-ASA approximately para-NO-ASA > meta-NO-ASA >> ASA. Moreover, the doses required for stabilization by the ortho- and para-NO-ASA were 300- to 3,000-fold lower than ASA. These results suggest that NO-ASA derivatives may be more effective at suppressing MSI in MMR-deficient cell lines than ASA and should be considered for chemopreventive trials with HNPCC carriers.
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Affiliation(s)
- Michael A McIlhatton
- Department of Molecular Virology, Immunology, and Medical Genetics, The Ohio State University Comprehensive Cancer Center and Medical Center, Columbus, Ohio 43026, USA
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Kozoni V, Rosenberg T, Rigas B. Development of novel agents based on nitric oxide for the control of colon cancer. Acta Pharmacol Sin 2007; 28:1429-33. [PMID: 17723176 DOI: 10.1111/j.1745-7254.2007.00696.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Nitric oxide-donating nonsteroidal anti-inflammatory drugs (NO-NSAIDs) represent a novel class of compounds that hold promise as agents for the control of colon cancer. They are derivatives of conventional NSAIDs that have been modified by adding to them, via a spacer molecule, a nitric oxide releasing moiety. The expectation is that the combined effects of NO and the NSAID moiety will exceed those of each structural component alone. Extensive work has demonstrated their potency and efficacy in preclinical models of colon cancer. The mechanism of action of NO-NSAIDs involves the modulation of several critical cellular signaling pathways, whereas the induction of a state of oxidative stress, at least by NO-aspirin, appears to be a major proximal event. Clinical trials are needed to assess the role of NO-NSAIDs in the control of colon cancer.
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Affiliation(s)
- Vassiliki Kozoni
- Division of Cancer Prevention, Stony Brook University, Stony Brook, NY 11794-5200, USA
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Hagos GK, Carroll RE, Kouznetsova T, Li Q, Toader V, Fernandez PA, Swanson SM, Thatcher GRJ. Colon cancer chemoprevention by a novel NO chimera that shows anti-inflammatory and antiproliferative activity in vitro and in vivo. Mol Cancer Ther 2007; 6:2230-9. [PMID: 17699720 DOI: 10.1158/1535-7163.mct-07-0069] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Chemopreventive agents in colorectal cancer possess either antiproliferative or anti-inflammatory actions. Nonsteroidal anti-inflammatory drugs (NSAID) and cyclooxygenase-2 inhibitors have shown promise, but are compromised by side effects. Nitric oxide donor NSAIDs are organic nitrates conjugated via a labile linker to an NSAID, originally designed for use in pain relief, that have shown efficacy in colorectal cancer chemoprevention. The NO chimera, GT-094, is a novel nitrate containing an NSAID and disulfide pharmacophores, a lead compound for the design of agents specifically for colorectal cancer. GT-094 is the first nitrate reported to reduce aberrant crypt foci (by 45%) when administered after carcinogen in the standard azoxymethane rat model of colorectal cancer. Analysis of proximal and distal colon tissue from 8- and 28-week rat/azoxymethane studies showed that GT-094 treatment reduced colon crypt proliferation by 30% to 69%, reduced inducible NO synthase (iNOS) levels by 33% to 67%, reduced poly(ADP-ribose)polymerase-1 expression and cleavage 2- to 4-fold, and elevated levels of p27 in the distal colon 3-fold. Studies in cancer cell cultures recapitulated actions of GT-094: antiproliferative activity and transient G(2)-M phase cell cycle block were measured in Caco-2 cells; apoptotic activity was examined but not observed; anti-inflammatory activity was seen in the inhibition of up-regulation of iNOS and endogenous NO production in lipopolysaccharide (LPS)-induced RAW 264.7 cells. In summary, antiproliferative, anti-inflammatory, and cytoprotective activity observed in vivo and in vitro support GT-094 as a lead compound for the design of NO chimeras for colorectal cancer chemoprevention.
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Affiliation(s)
- Ghenet K Hagos
- Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, 833 S Wood Street, Chicago, IL 60612, USA
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Abstract
The gastrointestinal adverse effects of nonsteroidal anti-inflammatory drugs (NSAIDs) have been recognized since shortly after the introduction of aspirin to the marketplace over a century ago. However, the underlying pathogenesis of NSAID-induced gastropathy remains incompletely understood. Advances in understanding some of the factors that contribute to the mucosal injury have provided clues for the development of safer NSAIDs. The inhibitory effects of nitric oxide (NO) on NSAID-induced leukocyte adherence were exploited in the development of NO-releasing NSAIDs. As well as eliciting less gastrointestinal damage than conventional NSAIDs, these drugs do not elevate blood pressure and show anti-inflammatory effects, additional to those of the parent drugs. Modification of other drugs in a similar manner (i.e., NO-releasing derivatives) has similarly resulted in more effective drugs. More recently, hydrogen sulphide-releasing derivatives of NSAIDs and of other drugs, have been developed, based on the observed ability of H(2)S to reduce inflammation and pain in experimental models. H(2)S-releasing NSAIDs produce negligible gastric damage and exhibit enhanced anti-inflammatory potency as compared to the parent drugs. The NO-NSAIDs and H(2)S-releasing NSAIDs represent examples of new anti-inflammatory drugs with greatly reduced toxicity and improved therapeutic activity, both created through the concept of exploiting the beneficial effects of endogenous gaseous mediators.
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Affiliation(s)
- J L Wallace
- Inflammation Research Network, Department of Pharmacology and Therapeutics, University of Calgary, Calgary, Alberta, Canada.
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Miller MR, Megson IL. Recent developments in nitric oxide donor drugs. Br J Pharmacol 2007; 151:305-21. [PMID: 17401442 PMCID: PMC2013979 DOI: 10.1038/sj.bjp.0707224] [Citation(s) in RCA: 423] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2006] [Revised: 02/05/2007] [Accepted: 02/12/2007] [Indexed: 12/16/2022] Open
Abstract
During the 1980s, the free radical, nitric oxide (NO), was discovered to be a crucial signalling molecule, with wide-ranging functions in the cardiovascular, nervous and immune systems. Aside from providing a credible explanation for the actions of organic nitrates and sodium nitroprusside that have long been used in the treatment of angina and hypertensive crises respectively, the discovery generated great hopes for new NO-based treatments for a wide variety of ailments. Decades later, however, we are still awaiting novel licensed agents in this arena, despite an enormous research effort to this end. This review explores some of the most promising recent advances in NO donor drug development and addresses the challenges associated with NO as a therapeutic agent.
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Affiliation(s)
- M R Miller
- Centre for Cardiovascular Science, University of Edinburgh, Queen's Medical Research Institute Edinburgh, UK
| | - I L Megson
- Free Radical Research Facility, Department of Diabetes, UHI Millennium Institute Inverness, UK
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Current status of colorectal cancer chemoprevention. CURRENT COLORECTAL CANCER REPORTS 2007. [DOI: 10.1007/s11888-007-0015-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Turnbull CM, Rossi AG, Megson IL. Therapeutic effects of nitric oxide-aspirin hybrid drugs. Expert Opin Ther Targets 2007; 10:911-22. [PMID: 17105376 DOI: 10.1517/14728222.10.6.911] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
This review examines the therapeutic potential and mechanisms of action of drugs known as nitric oxide (NO)-aspirins. Drugs of this class have an NO-releasing moiety joined by ester linkage to the aspirin molecule. NO-aspirins have the capability to release NO in addition to retaining the cyclooxygenase-inhibitory action of aspirin. The protective nature of NO led to the development of NO-aspirins in the hope that they might avoid the gastric side effects associated with aspirin. However, it has become apparent that the drug-derived NO instills potential for a wide range of added beneficial effects over the parent compound. In this review, the authors focus on the analgesic, anti-inflammatory, cardiovascular and chemopreventative actions of compounds of this emerging drug class.
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Affiliation(s)
- Catriona M Turnbull
- Queen's Medical Research Institute, University of Edinburgh, Centre for Cardiovascular Science, Edinburgh, EH16 4TJ, UK.
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Rigas B. The use of nitric oxide-donating nonsteroidal anti-inflammatory drugs in the chemoprevention of colorectal neoplasia. Curr Opin Gastroenterol 2007; 23:55-9. [PMID: 17133086 DOI: 10.1097/mog.0b013e32801145b0] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
PURPOSE OF REVIEW Nitric oxide-donating nonsteroidal anti-inflammatory drugs are emerging as a promising class of compounds for the chemoprevention of colon cancer. Recent progress in their preclinical and mechanistic evaluation is reviewed. RECENT FINDINGS Compared to their parent compounds, nitric oxide-donating nonsteroidal anti-inflammatory drugs are up to several hundred times more potent in inhibiting the growth of colon cancer cell lines and also quite effective in preventing colon cancer in various tumor animal models. Their chemopreventive effect is brought about through a strong cell kinetic effect, including inhibition of proliferation, induction of cell death and inhibition of cell cycle phase transitions. The induction of oxidative stress appears mechanistically crucial. Pleiotropic effects on cell signaling have been identified including Wnt, NOS2, mitogen-activated protein kinase and Nrf2 signaling. Nitric oxide-donating nonsteroidal anti-inflammatory drugs, particularly nitric oxide-donating aspirin, appear to be very safe compounds, as evidenced from many animal and early human studies. SUMMARY Nitric oxide-donating nonsteroidal anti-inflammatory drugs hold the promise of being safe and effective chemopreventive agents against colon cancer. Clinical trials are needed to determine whether these drugs can be applied clinically.
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Affiliation(s)
- Basil Rigas
- Division of Cancer Prevention and Gastroenterology, Department of Medicine, Stony Brook University, Stony Brook, New York 11794, USA.
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Mocellin S, Bronte V, Nitti D. Nitric oxide, a double edged sword in cancer biology: Searching for therapeutic opportunities. Med Res Rev 2007; 27:317-52. [PMID: 16991100 DOI: 10.1002/med.20092] [Citation(s) in RCA: 321] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nitric oxide (NO) is a pleiotropic molecule critical to a number of physiological and pathological processes. The last decade has witnessed major advances in dissecting NO biology and its role in cancer pathogenesis. However, the complexity of the interactions between different levels of NO and several aspects of tumor development/progression has led to apparently conflicting findings. Furthermore, both anti-NO and NO-based anticancer strategies appear effective in several preclinical models. This paradoxical dichotomy is leaving investigators with a double challenge: to determine the net impact of NO on cancer behavior and to define the therapeutic role of NO-centered anticancer strategies. Only a comprehensive and dynamic view of the cascade of molecular and cellular events underlying tumor biology and affected by NO will allow investigators to exploit the potential antitumor properties of drugs interfering with NO metabolism. Available data suggest that NO should be considered neither a universal target nor a magic bullet, but rather a signal transducer to be modulated according to the molecular makeup of each individual cancer and the interplay with conventional antineoplastic agents.
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Affiliation(s)
- Simone Mocellin
- Department of Oncological and Surgical Sciences, School of Medicine, University of Padova, Padova, Italy.
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Abstract
Colorectal cancer (CRC) is a leading cause of cancer-related morbidity and mortality in the Western world. The poor survival rate has prompted the emphasis on prevention of this disease. Removal of adenomas at colonoscopy is highly effective and is the cornerstone of screening/surveillance strategies. However, screening efforts have had limited impact owing to low compliance with guidelines. Chemoprevention aims to prevent the development or recurrence of precancerous lesions and cancers with the use of compounds that block the carcinogenic process. A major advantage was the establishment and understanding of the multistage process of CRC carcinogenesis. Progress has been remarkable because of the availability of reliable animal models and clinical studies using colonic adenomas as a reliable and economic target for testing chemopreventive agents. Nonsteroidal anti-inflammatory drugs have drawn the most attention. Sulindac and celecoxib were shown to be effective in promoting polyp regression in high-risk individuals with familial adenomatous polyposis. In the more common sporadic setting, the Adenomatous Polyp PRevention On Vioxx® (rofecoxib), Adenoma Prevention with Celecoxib and Prevention of Sporadic Adenomatous Polyps (celecoxib) trials have demonstrated a significant reduction in adenoma recurrence, but important concerns were raised regarding cardiovascular toxicity associated with selective cyclo-oxygenase-2 inhibitors. These landmark studies are very important, as they are a proof-of-concept that we can prevent CRC. More clinical studies are required to better select high-risk patients with safer regimens. Potential advantage versus risk for a given chemopreventive agent will have to be assessed on an individual basis. Currently, the only approved agent for chemoprevention is celecoxib in high-risk individuals with familial adenomatous polyposis.
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Affiliation(s)
- Elizabeth E Half
- Department of Gastroenterology, Sheba Medical Center, Tel Aviv, Israel
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Wadhwa P, Goswami AK, Joshi K, Sharma SK. Cyclooxygenase-2 expression increases with the stage and grade in transitional cell carcinoma of the urinary bladder. Int Urol Nephrol 2006; 37:47-53. [PMID: 16132759 DOI: 10.1007/s11255-004-4699-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES Experimental models of carcinogenesis show that non-steroidal anti-inflammatory drugs (NSAIDs) increase apoptosis, inhibit angiogenesis and reduce metastases. A linkage between the activity of prostaglandin synthase enzyme cyclooxygenase-2 (COX-2), a known mediator of inflammation, and cancer angiogenesis is implicated. We investigated the expression of COX-2 in bladder cancer tissue specimens using immunohistochemistry. METHODS The immunohistochemical expression of COX-2 in bladder cancer was evaluated by scoring the intensity of immunoreactivity from 0 to 3. Further, the degree of COX-2 expression was correlated with the tumor grade and depth of invasion (T stage). RESULT Fifty eight percent patients (n=22) had superficial bladder tumors, while 42% (n=16) were invasive bladder cancers. Overall, COX-2 immuno-positivity was seen in 84.2% (32/38) patients. COX-2 expression was positive in 76.4% (13/17) cases with pTa tumors, 100% (5/5) of pT1 tumors, 86.6% (13/15) of pT2 tumors and in 100% (1/1) of pT3 tumor. The higher stage tumors stained more intensely; this correlation was significant(p=0.01987; chi2=19.6977). With reference to the grade of tumors, a positive expression was seen in 81.25% (13/16) of the low-grade tumors and 89% (17/19) of the high-grade tumors. The differential COX-2 expression relative to the grade of tumor was found to be statistically significant (p=0.05; chi2=15.8612). CONCLUSION The degree of COX-2 expression is significantly increased with advancing grade and T stage of disease (p < 0.05).
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Affiliation(s)
- Pankaj Wadhwa
- Department of Urology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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Rao CV, Reddy BS, Steele VE, Wang CX, Liu X, Ouyang N, Patlolla JMR, Simi B, Kopelovich L, Rigas B. Nitric oxide–releasing aspirin and indomethacin are potent inhibitors against colon cancer in azoxymethane-treated rats: effects on molecular targets. Mol Cancer Ther 2006; 5:1530-8. [PMID: 16818512 DOI: 10.1158/1535-7163.mct-06-0061] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Nitric oxide-releasing nonsteroidal anti-inflammatory drugs (NO-NSAID) are promising chemoprevention agents; unlike conventional NSAIDs, they seem free of appreciable adverse effects, while they retain beneficial activities of their parent compounds. Their effect on colon carcinogenesis using carcinoma formation as an end point is unknown. We assessed the chemopreventive properties of NO-indomethacin (NCX 530) and NO-aspirin (NCX 4016) against azoxymethane-induced colon cancer. Seven-week-old male F344 rats were fed control diet, and 1 week later, rats received two weekly s.c. injections of azoxymethane (15 mg/kg body weight). Two weeks after azoxymethane treatment, rats (48 per group) were fed experimental diets containing NO-indomethacin (0, 40, or 80 ppm), or NO-aspirin (1,500 or 3,000 ppm), representing 40% and 80% of the maximum tolerated dose. All rats were killed 48 weeks after azoxymethane treatment and assessed for colon tumor efficacy and molecular changes in colonic tumors and normally appearing colonic mucosa of different dietary groups. Our results suggest that NO-indomethacin at 40 and 80 ppm and NO-aspirin at 3,000 ppm significantly suppressed both tumor incidence (P < 0.01) and multiplicity (P < 0.001). The degree of inhibition was more pronounced with NO-indomethacin at both dose levels (72% and 76% inhibition) than with NO-aspirin (43% and 67%). NO-indomethacin at 40 and 80 ppm and NO-aspirin at 3,000 ppm significantly inhibited the colon tumors' (P < 0.01 to P < 0.001) total cyclooxygenase (COX), including COX-2 activity (52-75% inhibition) and formation of prostaglandin E2 (PGE2), PGF2alpha, and 6-keto-PGF1alpha, and TxB2 from arachidonic acid (53-77% inhibition). Nitric oxide synthase 2 (NOS-2) activity and beta-catenin expression were suppressed in animals given NO-NSAID. In colonic crypts and tumors of animals fed these two NO-NSAIDs, there was a significant decrease in proliferating cell nuclear antigen labeling when compared with animals fed the control diet. The results of this study provide strong evidence that NO-NSAIDs possess strong inhibitory effect against colon carcinogenesis; their effect is associated with suppression of COX and NOS-2 activities and beta-catenin levels in colon tumors. These results pave the way for the rational design of human clinical trials.
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Affiliation(s)
- Chinthalapally V Rao
- Department of Medicine, Hem-Onc Section, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA.
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Gresele P, Momi S. Pharmacologic Profile and Therapeutic Potential of NCX 4016, a Nitric Oxide-releasing Aspirin, for Cardiovascular Disorders. ACTA ACUST UNITED AC 2006; 24:148-68. [PMID: 16961726 DOI: 10.1111/j.1527-3466.2006.00148.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
NCX 4016, 2-(acetyloxy)benzoic acid 3-[(nitrooxy)methyl]phenyl ester, is a new molecule in which a nitric oxide (NO)-releasing moiety is covalently linked to aspirin. After enzymatic metabolism, NCX 4016 releases both components. In vitro and in some animal models, these components exert their pharmacologic effects simultaneously. Nitric oxide (NO) is a small gaseous molecule that exerts several activities which may prevent atherothrombotic disorders. Moreover, it displays a protective activity on the gastric mucosa. NCX 4016 has been shown to inhibit platelet activation in vitro more effectively than aspirin, to inhibit smooth muscle cell proliferation, to exert an endothelial cell protective activity and to suppress the function of several inflammatory cells potentially involved in atherothrombosis. In animal models, NCX 4016 protected from platelet thromboembolism, prevented restenosis in atherosclerosis-prone animals, protected the heart from ischemia/reperfusion injury, and induced neoangiogenesis in critically ischemic limbs. Moreover, it displayed little or no gastric toxicity and appeared to protect stomach from noxious stimuli, including aspirin. NCX 4016 has been evaluated in healthy volunteers and found to inhibit platelet cyclo-oxygenase-1 (COX-1) similarly to or slightly less than aspirin, to raise the circulating levels of NO-degradation products, and to have little or no gastric toxicity in short term studies. In particular, in phase II studies, NCX 4016 had favorable effects on effort-induced endothelial dysfunction in intermittent claudication and on platelet-activation parameters elicited by short-term hyperglycemia in type II diabetics. In patients with type II diabetes the effects of NCX 4016 on microalbuminuria and on some hemodynamic parameters were promising. The pharmacokinetics of in vivo aspirin- and NO- released by NCX 4016, as well as the bioavailability of the two molecules, were not yet adequately studied. Also, the long-term tolerability of NCX 4016, as well as its possible effectiveness in preventing ischemic cardiovascular events and progression of atherosclerosis, should be explored.
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Affiliation(s)
- Paolo Gresele
- Department of Internal Medicine, Division of Internal and Cardiovascular Medicine, University of Perugia, Perugia, Italy.
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Bratasz A, Weir NM, Parinandi NL, Zweier JL, Sridhar R, Ignarro LJ, Kuppusamy P. Reversal to cisplatin sensitivity in recurrent human ovarian cancer cells by NCX-4016, a nitro derivative of aspirin. Proc Natl Acad Sci U S A 2006; 103:3914-9. [PMID: 16497833 PMCID: PMC1450164 DOI: 10.1073/pnas.0511250103] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Ovarian cancer is a gynecological malignancy that is commonly treated by cytoreductive surgery followed by cisplatin treatment. However, the cisplatin treatment, although successful initially, is not effective in the treatment of the recurrent disease that invariably surfaces within a few months of the initial treatment. The refractory behavior is attributed to the increased levels of cellular thiols apparently caused by the cisplatin treatment. This observation prompted us to choose a cytotoxic drug whose activity is potentiated by cellular thiols with enhanced specificity toward the thiol-rich cisplatin-resistant cells. We used NCX-4016 [2-(acetyloxy)benzoic acid 3-(nitrooxymethyl)phenyl ester], a derivative of aspirin containing a nitro group that releases nitric oxide in a sustained fashion for several hours in cells and in vivo, and we studied its cytotoxic efficacy against human ovarian cancer cells (HOCCs). Cisplatin-sensitive and cisplatin-resistant (CR) HOCCs were treated with 100 microM NCX-4016 for 6 h, and/or 0.5 microg/ml cisplatin for 1 h and assayed for clonogenecity. NCX-4016 significantly reduced the surviving fractions of cisplatin-sensitive (63 +/- 6%) and CR (70 +/- 10%) HOCCs. NCX-4016 also caused a 50% reduction in the levels of cellular glutathione in CR HOCCs. Treatment of cells with NCX-4016 followed by cisplatin showed a significantly greater extent of toxicity when compared with treatment of cells with NCX-4016 or cisplatin alone. In conclusion, this study showed that NCX-4016 is a potential inhibitor of the proliferation of CR HOCCs and thus might specifically kill cisplatin-refractory cancer cells in patients with recurrent ovarian cancer.
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Affiliation(s)
- Anna Bratasz
- *Center for Biomedical Electron Paramagnetic Resonance Spectroscopy and Imaging, Comprehensive Cancer Center, The Dorothy M. Davis Heart and Lung Research Institute, Department of Internal Medicine, Ohio State University, Columbus, OH 43210
| | - Nathan M. Weir
- *Center for Biomedical Electron Paramagnetic Resonance Spectroscopy and Imaging, Comprehensive Cancer Center, The Dorothy M. Davis Heart and Lung Research Institute, Department of Internal Medicine, Ohio State University, Columbus, OH 43210
| | - Narasimham L. Parinandi
- *Center for Biomedical Electron Paramagnetic Resonance Spectroscopy and Imaging, Comprehensive Cancer Center, The Dorothy M. Davis Heart and Lung Research Institute, Department of Internal Medicine, Ohio State University, Columbus, OH 43210
| | - Jay L. Zweier
- *Center for Biomedical Electron Paramagnetic Resonance Spectroscopy and Imaging, Comprehensive Cancer Center, The Dorothy M. Davis Heart and Lung Research Institute, Department of Internal Medicine, Ohio State University, Columbus, OH 43210
| | - Rajagopalan Sridhar
- Department of Radiation Oncology, Howard University Hospital, Washington, DC 20060; and
| | - Louis J. Ignarro
- Department of Molecular and Medical Pharmacology, Center for the Health Sciences, University of California School of Medicine, Los Angeles, CA 90095
- To whom correspondence may be addressed. E-mail:
| | - Periannan Kuppusamy
- *Center for Biomedical Electron Paramagnetic Resonance Spectroscopy and Imaging, Comprehensive Cancer Center, The Dorothy M. Davis Heart and Lung Research Institute, Department of Internal Medicine, Ohio State University, Columbus, OH 43210
- To whom correspondence may be addressed at:
The Dorothy M. Davis Heart and Lung Research Institute, Ohio State University, 420 West 12th Avenue, Room 114, Columbus, OH 43210. E-mail:
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Zamuner SR, Bak AW, Devchand PR, Wallace JL. Predisposition to colorectal cancer in rats with resolved colitis: role of cyclooxygenase-2-derived prostaglandin d2. THE AMERICAN JOURNAL OF PATHOLOGY 2006; 167:1293-300. [PMID: 16251413 PMCID: PMC1603786 DOI: 10.1016/s0002-9440(10)61216-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Colitis markedly increases the risk of developing colon cancer, but the underlying mechanisms are not fully understood. In a rat model of colitis, alterations in epithelial secretion, proliferation, and barrier function persist long after healing has occurred. In the present study, we examined whether rats that have recovered from a bout of colitis are more susceptible to preneoplastic lesions and whether this susceptibility is mediated by cyclooxygenase (COX)-2-derived prostaglandin (PG) D2. Colitis was induced by intracolonic administration of trinitrobenzenesulfonic acid. Six weeks later, weekly treatment with the carcinogen azoxymethane was initiated. Postcolitis rats exhibited significantly more aberrant crypt foci after azoxymethane treatment than controls. The postcolitis rats also exhibited markedly increased colonic PGD2 synthesis and elevated COX-2, H-PGD synthase, and beta-catenin expression. Treatment for 1 week with a selective COX-2 inhibitor or with a selective PGD2 receptor (DP1) antagonist significantly reduced susceptibility of postcolitis rats to aberrant crypt foci development, beta-catenin expression, and mucosal thickness. The results from this animal model suggest that prolonged elevation of COX-2-derived PGD2 synthesis after resolution of colitis may contribute significantly to colitis-associated increases in colon cancer incidence. PGD2 may therefore represent a rational target for therapies directed at reducing the incidence of colitis-associated colorectal cancer.
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Affiliation(s)
- Stella R Zamuner
- Mucosal Inflammation Research Group, Department of Pharmacology and Therapeutics, University of Calgary, 3330 Hospital Dr. NW, Calgary, Alberta, T2N 4N1, and the Division of Gastroenterology, Kelowna General Hospital, British Columbia, Canada
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Crowell JA. The chemopreventive agent development research program in the Division of Cancer Prevention of the US National Cancer Institute: an overview. Eur J Cancer 2005; 41:1889-910. [PMID: 16005206 DOI: 10.1016/j.ejca.2005.04.016] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2005] [Accepted: 04/25/2005] [Indexed: 02/06/2023]
Abstract
Chemoprevention is an innovative area of cancer research that focuses on the development of pharmacological, biological, and nutritional interventions to prevent, reverse, or delay carcinogenesis. Over the past two decades the Division of Cancer Prevention of the US National Cancer Institute has organized a research and development program to provide resources and infrastructure to the research community for the clinical evaluation of potential cancer preventive agents. This program now encompasses preclinical agent and molecular target identification, in vitro and in vivo screening, efficacy and intermediate endpoint testing, pharmacology and toxicology assessments, and finally chemical synthesis and manufacturing leading to Investigational New Drug applications and clinical studies. In this review, examples of agents currently in development, preclinical testing models, and phase 1 and 2 clinical studies are described. Continued commitment to cancer prevention will significantly reduce the economic and medical burden of cancer.
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Affiliation(s)
- James A Crowell
- Division of Cancer Prevention, National Cancer Institute, DHHS, Bethesda, MD 20892, USA
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Spiegel A, Hundley TR, Chen J, Gao J, Ouyang N, Liu X, Go MF, Tsioulias GJ, Kashfi K, Rigas B. NO-donating aspirin inhibits both the expression and catalytic activity of inducible nitric oxide synthase in HT-29 human colon cancer cells. Biochem Pharmacol 2005; 70:993-1000. [PMID: 16105666 DOI: 10.1016/j.bcp.2005.06.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2005] [Revised: 06/21/2005] [Accepted: 06/27/2005] [Indexed: 11/16/2022]
Abstract
Nitric oxide-releasing aspirin (NO-ASA) is emerging as a potentially important chemopreventive agent against colon cancer. We examined in HT-29 human colon adenocarcinoma cells the effect of NO-ASA on the inducible form of nitric oxide synthase (NOS2), an enzyme implicated in colon carcinogenesis. NO-ASA inhibited in a time- and concentration-dependent manner the expression of NOS2 up to 70% compared to control (IC50 for this effect = 46 microM). NO-ASA also decreased the corresponding steady-state mRNA levels and this reduction preceded the reduction of protein levels by at least 6 h. NO-ASA also reduced the enzymatic activity of NOS2, as determined by a direct enzyme assay (maximal reduction = 80%) and by determining the accumulation of NO in the culture medium (IC50 for this effect = 36 microM). These effects of NO-ASA on NOS2 were paralleled by inhibition in cell growth (IC50 = 8.5 microM). These findings indicate that NO-ASA profoundly inhibits both the expression and enzymatic activity of NOS2 and suggest that these effects may represent an important mechanism for the colon cancer chemopreventive effect of NO-ASA.
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Affiliation(s)
- Adam Spiegel
- Division of Cancer Prevention, SUNY at Stony Brook, Stony Brook, NY 11794-5200, USA
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40
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Gao J, Kashfi K, Liu X, Rigas B. NO-donating aspirin induces phase II enzymes in vitro and in vivo. Carcinogenesis 2005; 27:803-10. [PMID: 16267095 DOI: 10.1093/carcin/bgi262] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Modulation of drug metabolizing enzymes, leading to facilitated elimination of carcinogens represents a successful strategy for cancer chemoprevention. Nitric oxide-donating aspirin (NO-ASA) is a promising agent for the prevention of colon and other cancers. We studied the effect of NO-ASA on drug metabolizing enzymes in HT-29 human colon adenocarcinoma and Hepa 1c1c7 mouse liver adenocarcinoma cells and in Min mice treated with NO-ASA for 3 weeks. In these cell lines, NO-ASA induced the activity and expression of NAD(P)H:quinone oxireductase (NQO) and glutathione S-transferase (GST). Compared with untreated Min mice, NO-ASA increased in the liver the activity (nmol/min/mg; mean+/-SEM for all) of NQO (85+/-6 versus 128+/-11, P<0.05) and GST (2560+/-233 versus 4254+/-608, P<0.005) and also in the intestine but not in the kidney; the expression of NQO1 and GST P1-1 was also increased. NO-ASA had only a marginal effect on P450 1A1 and P450 2E1, two phase I enzymes. The release of NO from NO-ASA, determined with a selective microelectrode was paralleled by the induction of NQO1 and abrogated by NO scavengers; an exogenous NO donor also induced the expression of NQO1. NO-ASA induced concentration-dependently the translocation of Nrf2 into the nucleus as documented by immunofluorescence and immunoblotting; this paralleled the induction of NQO1 and GST P1-1. Thus NO-ASA induces phase II enzymes, at least in part, through the action of NO that it releases and by modulating the Keap1-Nrf2 pathway; this effect may be part of its mechanism of action against colon and other cancers.
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Affiliation(s)
- Jianjun Gao
- Division of Cancer Prevention, Department of Medicine, SUNY at Stony Brook, NY 11794, USA
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41
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Burke SG, Wainwright CL, Vojnovic I, Warner T, Watson DG, Furman BL. The effect of NCX4016 [2-acetoxy-benzoate 2-(2-nitroxymethyl)-phenyl ester] on the consequences of ischemia and reperfusion in the streptozotocin diabetic rat. J Pharmacol Exp Ther 2005; 316:1107-14. [PMID: 16260580 DOI: 10.1124/jpet.105.096339] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The aim of this study was to assess the effect of chronic administration of NCX4016 [2 acetoxy-benzoate 2-(2-nitroxymethyl)-phenyl ester], a nitric oxide-releasing aspirin derivative on the consequences of coronary artery occlusion in streptozotocin-diabetic rats. Rats were made diabetic by injection of streptozotocin (60 mg kg(-1)) and received insulin (2.5 U kg(-1) s.c.) daily for 4 weeks. Animals received vehicle (1 ml kg(-1) polyethylene glycol), aspirin (65.2 mg kg(-1)), NCX4016 (60 mg kg(-1)), or (iv) NCX4016 (120 mg kg(-1)) orally, once daily for the last 5 days before coronary artery occlusion (CAO). One hour after the last dose, pentobarbital-anesthetized rats were subjected to CAO for 30 min followed by 120-min reperfusion. Neither drug significantly modified initial hemodynamics or plasma glucose levels compared with vehicle treatment in either nondiabetic or diabetic rats. Neither drug modified the total ventricular premature beat (VPB) count in normal animals, although NCX4016, but not aspirin, reduced the total VPB count and the incidence of ventricular tachycardia in diabetic rats. In nondiabetic animals, both aspirin and NCX4016 reduced infarct size. However, in diabetic rats, infarct size was reduced only by the larger dose of NCX4016 (120 mg kg(-1)) but not by aspirin or the lower dose of NCX4016. These results demonstrate that the cardioprotective effects of NCX4016 are reduced in the presence of diabetes compared with the effects seen in nondiabetic animals. In summary, the present study confirms the protective effect of NCX4016 against ischemia-reperfusion injury in the normal rat heart and demonstrates for the first time its protective effect in the heart of streptozotocin-diabetic rats.
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Affiliation(s)
- S G Burke
- Department of Physiology and Pharmacology, Strathclyde Institute for Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
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Fabbri F, Brigliadori G, Ulivi P, Tesei A, Vannini I, Rosetti M, Bravaccini S, Amadori D, Bolla M, Zoli W. Pro-apoptotic effect of a nitric oxide-donating NSAID, NCX 4040, on bladder carcinoma cells. Apoptosis 2005; 10:1095-103. [PMID: 16151642 DOI: 10.1007/s10495-005-0619-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Nitric oxide-releasing non steroidal anti-inflammatory drugs (NO-NSAIDs) are a promising class of compounds that cause cell cycle perturbations and induce apoptosis in cell lines from different tumors. We investigated the activity of a recently developed NO-NSAID (NCX 4040) in bladder cancer cell lines (HT1376 and MCR). Cells were treated with different drug concentrations for different exposure times. Cytostatic and cytocidal activity was tested by SRB assay and apoptosis was evaluated by TUNEL analysis, ANNEXIN V assay and fluorescence microscopy. To further investigate the cell death-inducing mechanisms of NCX 4040, we analyzed gp-170, caspase expression and mitochondrial membrane potential (Delta Psi) depolarization. NCX 4040 showed a striking cytocidal activity in both cell lines, reaching LC(50) at a 10-microM and 50-microM concentrations in HT1376 and in MCR cells, respectively, after an exposure of only 6 h followed by an 18-h washout. Apoptosis was triggered in up to 90% of cells and was associated with active caspase-3 expression and Delta Psi depolarization in both cell lines after a 6-h exposure. In conclusion, NCX 4040, which probably causes apoptosis via a mitochondrial-dependent mechanism, could prove to be a useful agent for improving bladder cancer treatment.
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Affiliation(s)
- F Fabbri
- Istituto Oncologico Romagnolo, Morgagni-Pierantoni Hospital, Via Forlanini 34, 47100 Forlì, Italy
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43
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Hundley TR, Rigas B. Nitric oxide-donating aspirin inhibits colon cancer cell growth via mitogen-activated protein kinase activation. J Pharmacol Exp Ther 2005; 316:25-34. [PMID: 16169935 DOI: 10.1124/jpet.105.091363] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Nitric oxide-donating aspirin (NO-aspirin), representing a new concept in the development of more efficacious nonsteroidal anti-inflammatory drugs, consists of traditional aspirin bearing -ONO(2), which releases NO. Conventional aspirin prevents human colon cancer, but its toxicity precludes its application as a chemopreventive agent. NO-aspirin seems safer and in cultured cancer cells it is >1000-fold more potent than aspirin. To determine the mechanism by which NO-aspirin inhibits cell growth, we studied its effect on mitogen-activated protein kinase (MAPK) signaling in HT-29 human colon cancer cells. NO-aspirin stimulated the phosphorylation of extracellular signal-regulated kinase 1/2 and Akt only marginally. The greatest increases in phosphorylation were seen in cJun NH(2)-terminal kinase (JNK) and p38 MAP kinases, which were observed as early as 5 min and after 1 h of treatment, averaged more than 10-fold over control. The activation of JNK and p38 was accompanied by large increases in the phosphorylation of the downstream transcription factors cJun and activating transcription factor 2 (ATF-2). We used specific MAPK inhibitors, small interfering (siRNA) gene silencing methods, and dominant-negative cJun to determine the relevance of these phosphorylation events to the ability of NO-aspirin to inhibit colon cancer cell growth. Only the dual inhibitor of p38 and JNK and the use of combined siRNA silencing of p38 and cJun abrogated the ability of NO-aspirin to block cell growth. Our data indicate that NO-aspirin is dependent on both the p38 and the JNK MAP kinase pathways for its ability to inhibit the growth of colon cancer cells.
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Affiliation(s)
- Thomas R Hundley
- Division of Cancer Prevention, Department of Medicine, Life Sciences Bldg. 06, State University of New York at Stony Brook, Stony Brook, NY 11794-5200, USA
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Abir F, Alva S, Kaminski DL, Longo WE. The role of arachidonic acid regulatory enzymes in colorectal disease. Dis Colon Rectum 2005; 48:1471-83. [PMID: 15868226 DOI: 10.1007/s10350-005-0015-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE Nonsteroidal anti-inflammatory drugs have a wide ranging effect on diseases of the colon and rectum. Interestingly, nonsteroidal anti-inflammatory drugs seem to play a beneficial role in colorectal cancer chemoprevention and adenoma regression, but may have a deleterious effect in inflammatory bowel disease. Prostaglandin inhibition is central to both the beneficial and toxic effects of this class of drugs. Arachidonic acid metabolism is essential to prostaglandin synthesis. METHODS A Medline search using "nonsteroidal anti-inflammatory drugs," "colon cancer," "inflammatory bowel disease," "colitis," "COX inhibitors," "arachidonic acid," and "chemoprevention" as key words was performed for English-language articles. Further references were obtained through cross-referencing the bibliography cited in each work. RESULTS Based on numerous studies, nonsteroidal anti-inflammatory drugs have a beneficial role in colon cancer and colonic adenomas. However, they have been reported to have a deleterious effect on the colon in inflammatory bowel disease and have been shown to cause colitis. Nonsteroidal anti-inflammatory drugs work via multiple pathways, some well defined, and others unknown. CONCLUSIONS In the new millennium, nonsteroidal anti-inflammatory drugs may be used for chemoprevention of colorectal and other cancers. In addition, they may be used in combination with surgery and chemotherapy to primarily treat colorectal carcinoma. Undoubtedly, the use of novel cyclooxygenase inhibitors with less of a toxicity profile will allow more widespread use of nonsteroidal anti-inflammatory drugs for a variety of diseases. The future of this class of drugs is promising.
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Affiliation(s)
- Farshad Abir
- Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06520-8062, USA
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De Santo C, Serafini P, Marigo I, Dolcetti L, Bolla M, Del Soldato P, Melani C, Guiducci C, Colombo MP, Iezzi M, Musiani P, Zanovello P, Bronte V. Nitroaspirin corrects immune dysfunction in tumor-bearing hosts and promotes tumor eradication by cancer vaccination. Proc Natl Acad Sci U S A 2005; 102:4185-90. [PMID: 15753302 PMCID: PMC554823 DOI: 10.1073/pnas.0409783102] [Citation(s) in RCA: 234] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2004] [Indexed: 12/17/2022] Open
Abstract
Active suppression of tumor-specific T lymphocytes can limit the immune-mediated destruction of cancer cells. Of the various strategies used by tumors to counteract immune attacks, myeloid suppressors recruited by growing cancers are particularly efficient, often resulting in the induction of systemic T lymphocyte dysfunction. We have previously shown that the mechanism by which myeloid cells from tumor-bearing hosts block immune defense strategies involves two enzymes that metabolize L-arginine: arginase and nitric oxide (NO) synthase. NO-releasing aspirin is a classic aspirin molecule covalently linked to a NO donor group. NO aspirin does not possess direct antitumor activity. However, by interfering with the inhibitory enzymatic activities of myeloid cells, orally administered NO aspirin normalized the immune status of tumor-bearing hosts, increased the number and function of tumor-antigen-specific T lymphocytes, and enhanced the preventive and therapeutic effectiveness of the antitumor immunity elicited by cancer vaccination. Because cancer vaccines and NO aspirin are currently being investigated in independent phase I/II clinical trials, these findings offer a rationale to combine these treatments in subjects with advanced neoplastic diseases.
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Affiliation(s)
- Carmela De Santo
- Department of Oncology and Surgical Sciences, Oncology Section, Padua University, 35128 Padua, Italy
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Tesei A, Ulivi P, Fabbri F, Rosetti M, Leonetti C, Scarsella M, Zupi G, Amadori D, Bolla M, Zoli W. In vitro and in vivo evaluation of NCX 4040 cytotoxic activity in human colon cancer cell lines. J Transl Med 2005; 3:7. [PMID: 15691389 PMCID: PMC549525 DOI: 10.1186/1479-5876-3-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2004] [Accepted: 02/03/2005] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND: Nitric oxide-releasing nonsteroidal antiinflammatory drugs (NO-NSAIDs) are reported to be safer than NSAIDs because of their lower gastric toxicity. We compared the effect of a novel NO-releasing derivate, NCX 4040, with that of aspirin and its denitrated analog, NCX 4042, in in vitro and in vivo human colon cancer models and investigated the mechanisms of action underlying its antitumor activity. METHODS: In vitro cytotoxicity was evaluated on a panel of colon cancer lines (LoVo, LoVo Dx, WiDr and LRWZ) by sulforhodamine B assay. Cell cycle perturbations and apoptosis were evaluated by flow cytometry. Protein expression was detected by Western blot. In the in vivo experiments, tumor-bearing mice were treated with NCX 4040, five times a week, for six consecutive weeks. RESULTS: In the in vitro studies, aspirin and NCX 4042 did not induce an effect on any of the cell lines, whereas NCX 4040 produced a marked cytostatic dose-related effect, indicating a pivotal role of the -NO2 group. Furthermore, in LoVo and LRWZ cell lines, we observed caspase-9 and -3-mediated apoptosis, whereas no apoptotic effect was observed after drug exposure in WiDr or LoVo Dx cell lines. In in vivo studies, both NCX 4040 and its parental compound were administered per os. NCX 4040 induced a 40% reduction in tumor weight. Conversely, aspirin did not influence tumor growth at all. CONCLUSIONS: NCX 4040, but not its parental compound, aspirin, showed an in vitro and in vivo antiproliferative activity, indicating its potential usefulness to treat colon cancer.
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Affiliation(s)
- Anna Tesei
- Division of Oncology and Diagnostics, Morgagni-Pierantoni Hospital, Forlì, Italy
| | | | - Francesco Fabbri
- Division of Oncology and Diagnostics, Morgagni-Pierantoni Hospital, Forlì, Italy
| | | | - Carlo Leonetti
- Preclinical Experimental Laboratory, Regina Elena Institute for Cancer Research, Rome, Italy
| | - Marco Scarsella
- Preclinical Experimental Laboratory, Regina Elena Institute for Cancer Research, Rome, Italy
| | - Gabriella Zupi
- Preclinical Experimental Laboratory, Regina Elena Institute for Cancer Research, Rome, Italy
| | - Dino Amadori
- Division of Oncology and Diagnostics, Morgagni-Pierantoni Hospital, Forlì, Italy
| | | | - Wainer Zoli
- Division of Oncology and Diagnostics, Morgagni-Pierantoni Hospital, Forlì, Italy
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Huguenin S, Vacherot F, Fleury-Feith J, Riffaud JP, Chopin DK, Bolla M, Jaurand MC. Evaluation of the antitumoral potential of different nitric oxide-donating non-steroidal anti-inflammatory drugs (NO-NSAIDs) on human urological tumor cell lines. Cancer Lett 2005; 218:163-70. [PMID: 15670893 DOI: 10.1016/j.canlet.2004.06.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2004] [Revised: 06/04/2004] [Accepted: 06/07/2004] [Indexed: 11/25/2022]
Abstract
Our work aimed at identifying the antitumoral potential of new nitric oxide (NO)-releasing non-steroidal anti-inflammatory drug (NSAID) derivatives on human prostate and bladder carcinoma cell lines. Among all molecules tested, two sulindac derivatives, NCX 1102 ((Z)-5-fluoro-2-methyl-1-[[4-(methylsulfinyl)phenyl] methylene]-1H-indene-3-acetic acid 4-(nitrooxy)butyl ester) and NCX 1105 ((Z)-5-fluoro-2-methyl-1-[[4-(methylsulfinyl)phenyl] methylene]-1H-indene-3-acetic acid 6-(nitrooxymethyl)-2-methylpyrydyl ester hydrochloride), were the most cytotoxic compounds. In contrast to its parent molecule sulindac, cell cycle analysis showed that NCX 1102 led to cell accumulation in the G2-M transition stage in all cell lines, and induced apoptosis in five out of the six cell lines. Thus, NO-NSAIDs may be useful for the elaboration of new therapeutic strategies in the management of bladder and prostate cancer.
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Affiliation(s)
- Sandra Huguenin
- Groupe de recherche INSERM E 03-37, Oncogenèse des Tumeurs Respiratoires et Urogénitales, Faculté de Médecine, 8, Rue du Général Sarrail, 94010 Créteil Cedex, France
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Abstract
Nitric-oxide-donating nonsteroidal anti-inflammatory drugs (NO-NSAIDs), which consist of an NSAID with an NO-donating moiety covalently attached to it, promise to contribute significantly towards the development of effective chemoprevention strategies against cancer. NO-NSAIDs inhibit the growth of cultured cancer cells 10-6000-fold more potently than their parent NSAIDs and prevent colon cancer in animal tumor models. Clinical data indicate that they are extremely safe. Mechanistically, NO-aspirin, the best-studied NO-NSAID, has pleiotropic effects on cell signaling (it inhibits Wnt signaling, induces nitric oxide synthase and NF-kappaB activation and induces cyclooxygenase-2 expression), and this mechanistic redundancy might be central to its mode of action against cancer. The apparent safety and superior efficacy of NO-NSAIDs makes them promising chemopreventive agents against cancer.
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Affiliation(s)
- Basil Rigas
- Division of Cancer Prevention, Department of Medicine, SUNY at Stony Brook, Stony Brook, NY 11794-8160, USA.
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Nath N, Labaze G, Rigas B, Kashfi K. NO-donating aspirin inhibits the growth of leukemic Jurkat cells and modulates β-catenin expression. Biochem Biophys Res Commun 2004; 326:93-9. [PMID: 15567157 DOI: 10.1016/j.bbrc.2004.11.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2004] [Indexed: 11/24/2022]
Abstract
beta-Catenin has been implicated in leukemic cell proliferation. We compared the effects of aspirin (ASA) and the ortho, meta, and para positional isomers of NO-donating aspirin (NO-ASA) on cell growth and beta-catenin expression in human Jurkat T leukemic cells. Cell growth inhibition was strong: IC(50) for p-, o-, and m- were 20+/-1.6 (mean+/-SEM), 15+/-1.5, and 200+/-12 microM, respectively, in contrast to that of ASA (3200+/-375 microM). The para isomer of NO-ASA degraded beta-catenin in a dose- and time-dependent manner coinciding with increasing expression of activated caspase-3. The caspase inhibitor ZVAD blocked beta-catenin cleavage by p-NO-ASA and partially reversed cell growth inhibition by p-NO-ASA but not that by ASA. A denitrated analog of p-NO-ASA did not degrade beta-catenin indicating the importance of the NO-donating moiety. Our findings suggest that NO-ASA merits further study as an agent against leukemia.
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Affiliation(s)
- Niharika Nath
- Department of Physiology and Pharmacology, City University of New York Medical School, New York, NY 10031, USA
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50
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Gao J, Kashfi K, Rigas B. In Vitro Metabolism of Nitric Oxide-Donating Aspirin: The Effect of Positional Isomerism. J Pharmacol Exp Ther 2004; 312:989-97. [PMID: 15528452 DOI: 10.1124/jpet.104.076190] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
NO-donating aspirin (NO-ASA) is a potentially important chemopreventive agent against cancer. Since positional isomerism affects strongly its potency in inhibiting colon cancer cell growth, we studied the metabolic transformations of its ortho-, meta-, and para-isomers in rat liver and colon cytosolic, microsomal, and mitochondrial fractions as well as in intact HT-29 human colon cancer cells. NO-ASA and metabolites were determined by high-performance liquid chromatography and products identified by mass spectroscopy, as required. For all three isomers, the acetyl group on the ASA moiety was hydrolyzed rapidly. This was followed by hydrolysis of the ester bond linking the salicylate anion to the spacer. The ortho- and para-isomers produced salicylic acid and a putative intermediate consisting of the remainder of the molecule, which via a rapid step generated nitrate, (hydroxymethyl)phenol, and a conjugate of spacer with glutathione. The meta-isomer, in contrast, generated salicylic acid and (nitroxymethyl)phenol, the latter leading to (hydroxymethyl)phenol and the glutathione-spacer conjugate. This metabolic pathway takes place in its entirety only in the cytosolic fraction of the tissues tested and in intact human colon cancer cells, perhaps reflecting exposure to the cytosolic glutathione S-transferase, which catalyzes the formation of the spacer-glutathione conjugate. Thus, the three positional isomers of NO-ASA differ in their metabolism and these differences correlate with their differential effects on cancer cell growth, underscoring the importance of positional isomerism in modulating drug effects.
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Affiliation(s)
- Jianjun Gao
- Division of Cancer Prevention, Department of Medicine, SUNY at Stony Brook, Stony Brook, NY 11794-8160, USA
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