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Sarabi PZ, Moradi M, Bagheri M, Khalili MR, Moradifard S, Jamialahmadi T, Ghasemi F, Sahebkar A. A Contemporary Review on the Critical Role of Nonsteroidal Anti-inflammatory Agents in Colorectal Cancer Therapy. Anticancer Agents Med Chem 2024; 24:559-570. [PMID: 38275052 DOI: 10.2174/0118715206271583231206052403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 01/27/2024]
Abstract
Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) are widely recognized as effective pain relievers and function by inhibiting the cyclooxygenase enzyme (COXs). Moreover, they have been found to participate in various cellular processes through different signaling pathways, such as WNT, MAPK, NF-κB, and PI3K/AKT/mTOR. This makes them potential candidates for chemoprevention of several malignancies, particularly colorectal cancer (CRC). However, the use of NSAIDs in cancer prevention and treatment is a complex issue due to their adverse effects and gastrointestinal toxicity. Therefore, it is crucial to explore combination therapies that can minimize side effects while maximizing synergistic effects with other agents and to evaluate the success rate of such approaches in both pre-clinical and clinical studies. In this review, we aim to provide an overview of the effects of NSAIDs in the prevention and treatment of CRC. We will focus on elucidating the possible mechanisms of action of these drugs, the signaling pathways involved in CRC, and the potential synergistic effects when combined with other therapeutic agents.
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Affiliation(s)
- Parisa Zia Sarabi
- Laboratorio de Psicobiología, Campus Santiago Ramón y Cajal, University of Sevilla, 41018, Sevilla, Spain
| | - Mohammad Moradi
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Malihe Bagheri
- Department of Biotechnology and Molecular Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Mohammad Reza Khalili
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Next to Milad Tower, Tehran, Iran
| | - Shahrzad Moradifard
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Next to Milad Tower, Tehran, Iran
| | - Tannaz Jamialahmadi
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Faezeh Ghasemi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Next to Milad Tower, Tehran, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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2
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Mahboubi-Rabbani M, Abbasi M, Zarghi A. Natural-Derived COX-2 Inhibitors as Anticancer Drugs: A Review of their Structural Diversity and Mechanism of Action. Anticancer Agents Med Chem 2023; 23:15-36. [PMID: 35638275 DOI: 10.2174/1389450123666220516153915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/07/2022] [Accepted: 03/01/2022] [Indexed: 02/08/2023]
Abstract
Cyclooxygenase-2 (COX-2) is a key-type enzyme playing a crucial role in cancer development, making it a target of high interest for drug designers. In the last two decades, numerous selective COX-2 inhibitors have been approved for various clinical conditions. However, data from clinical trials propose that the prolonged use of COX-2 inhibitors is associated with life-threatening cardiovascular side effects. The data indicate that a slight structural modification can help develop COX-2 selective inhibitors with comparative efficacy and limited side effects. In this regard, secondary metabolites from natural sources offer great hope for developing novel COX-2 inhibitors with potential anticancer activity. In recent years, various nature-derived organic scaffolds are being explored as leads for developing new COX-2 inhibitors. The current review attempts to highlight the COX-2 inhibition activity of some naturally occurring secondary metabolites, concerning their capacity to inhibit COX-1 and COX-2 enzymes and inhibit cancer development, aiming to establish a structure-activity relationship.
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Affiliation(s)
- Mohammad Mahboubi-Rabbani
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Abbasi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Afshin Zarghi
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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3
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Rautela I, Thapliyal P, Sahni S, Rayal R, Sharma MD. Potential of seaweeds in preventing cancer and HIV infection in humans. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.10.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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4
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Qin Y, Chen Y, Chen J, Xu K, Xu F, Shi J. The relationship between previous pulmonary tuberculosis and risk of lung cancer in the future. Infect Agent Cancer 2022; 17:20. [PMID: 35525982 PMCID: PMC9078090 DOI: 10.1186/s13027-022-00434-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 04/19/2022] [Indexed: 01/29/2023] Open
Abstract
Various investigations have expanded the views that tuberculosis is an important risk factor for lung cancer occurrence. Lung cancer originates from chronic inflammation and infection. It is becoming clearer that Mycobacterium tuberculosis (M.tb) in tuberculosis patients meticulously schemes multiple mechanisms to induce tumor formation and is indispensable to participate in the occurrence of lung cancer. In addition, some additional factors such as age, sex and smoking, accelerate the development of lung cancer after Mycobacterium tuberculosis infection. The clarification of these insights is fostering new diagnoses and therapeutic approaches to prevention of the patients developing from tuberculosis into lung cancer.
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Affiliation(s)
- Yongwei Qin
- Department of Pathogen Biology, Medical College, Nantong University, No. 19 Qixiu Road, Nantong, China.,Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, Nantong Clinical Medical Research Center of Cardiothoracic Disease, and Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, China
| | - Yujie Chen
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, Nantong Clinical Medical Research Center of Cardiothoracic Disease, and Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, China
| | - Jinliang Chen
- Department of Respiratory Medicine, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, No. 6 North Road Hai'er Xiang, Nantong, 226001, Jiangsu, China
| | - Kuang Xu
- Department of Pathogen Biology, Medical College, Nantong University, No. 19 Qixiu Road, Nantong, China
| | - Feifan Xu
- Affiliated Nantong Hospital of Shanghai University, No. 500 Yonghe Road, Nantong, China.
| | - Jiahai Shi
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, Nantong Clinical Medical Research Center of Cardiothoracic Disease, and Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, China.
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5
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Ko HM, Lee SH, Jee W, Jung JH, Kim KI, Jung HJ, Jang HJ. Gancaonin N from Glycyrrhiza uralensis Attenuates the Inflammatory Response by Downregulating the NF-κB/MAPK Pathway on an Acute Pneumonia In Vitro Model. Pharmaceutics 2021; 13:pharmaceutics13071028. [PMID: 34371720 PMCID: PMC8309055 DOI: 10.3390/pharmaceutics13071028] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/26/2021] [Accepted: 06/30/2021] [Indexed: 12/20/2022] Open
Abstract
Acute pneumonia is an inflammatory disease caused by several pathogens, with symptoms such as fever and chest pain, to which children are particularly vulnerable. Gancaonin N is a prenylated isoflavone of Glycyrrhiza uralensis that has been used in the treatment of various diseases in oriental medicine. There are little data on the anti-inflammatory efficacy of Gancaonin N, and its effects and mechanisms on acute pneumonia are unknown. Therefore, this study was conducted as a preliminary analysis of the anti-inflammatory effect of Gancaonin N in lipopolysaccharide (LPS)-induced RAW264.7 cells, and to identify its preventive effect on the lung inflammatory response and the molecular mechanisms underlying it. In this study, Gancaonin N inhibited the production of NO and PGE2 in LPS-induced RAW264.7 cells and significantly reduced the expression of iNOS and COX-2 proteins at non-cytotoxic concentrations. In addition, in LPS-induced A549 cells, Gancaonin N significantly reduced the expression of COX-2 and pro-inflammatory cytokines, such as TNF-α, IL-1β, and IL-6. Moreover, Gancaonin N reduced MAPK signaling pathway phosphorylation and NF-κB nuclear translocation. Therefore, Gancaonin N relieved the inflammatory response by inactivating the MAPK and NF-κB signaling pathways; thus, it is a potential natural anti-inflammatory agent that can be used in the treatment of acute pneumonia.
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Affiliation(s)
- Hyun Min Ko
- College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea; (H.M.K.); (S.-H.L.); (W.J.); (J.H.J.)
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea
| | - Seung-Hyeon Lee
- College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea; (H.M.K.); (S.-H.L.); (W.J.); (J.H.J.)
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea
| | - Wona Jee
- College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea; (H.M.K.); (S.-H.L.); (W.J.); (J.H.J.)
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea
| | - Ji Hoon Jung
- College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea; (H.M.K.); (S.-H.L.); (W.J.); (J.H.J.)
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea
| | - Kwan-Il Kim
- Division of Allergy, Immune and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, 23 Kyungheedaero, Dongdaemun-gu, Seoul 02447, Korea;
- Department of Clinical Korean Medicine, Graduate School, Kyung Hee University, Seoul 02247, Korea
| | - Hee-Jae Jung
- Division of Allergy, Immune and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, 23 Kyungheedaero, Dongdaemun-gu, Seoul 02447, Korea;
- Department of Clinical Korean Medicine, Graduate School, Kyung Hee University, Seoul 02247, Korea
- Correspondence: (H.-J.J.); (H.-J.J.)
| | - Hyeung-Jin Jang
- College of Korean Medicine, Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea; (H.M.K.); (S.-H.L.); (W.J.); (J.H.J.)
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea
- Correspondence: (H.-J.J.); (H.-J.J.)
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6
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Hartung NM, Ostermann AI, Immenschuh S, Schebb NH. Combined Targeted Proteomics and Oxylipin Metabolomics for Monitoring of the COX-2 Pathway. Proteomics 2020; 21:e1900058. [PMID: 32875715 DOI: 10.1002/pmic.201900058] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 08/25/2020] [Indexed: 12/21/2022]
Abstract
The important role of inducible cyclooxygenase-2 (COX-2) in several diseases necessitates analytical tools enabling thorough understanding of its modulation. Analysis of a comprehensive oxylipin pattern provides detailed information about changes in enzyme activities. In order to simultaneously monitor gene expression levels, a targeted proteomics method for human COX-2 is developed. With limits of detection and quantification down to 0.25 and 0.5 fmol (on column) the method enables sensitive quantitative analysis via LC-MS/MS within a linear range up to 2.5 pmol. Three housekeeping proteins are included in the method for data normalization. A tiered approach for method development comprised of in silico and experimental steps is described for choosing unique peptides and selective and sensitive SRM transitions while avoiding isobaric interferences. This method combined with a well-established targeted oxylipin metabolomics method allows to investigate the role of COX-2 in the human colon carcinoma cell lines HCT-116, HT-29, and HCA-7. Moreover, the developed methodology is used to demonstrate the time-dependent prostanoid formation and COX-2 enzyme synthesis in lipopolysaccharide-stimulated human primary macrophages. The described approach is a helpful tool which will be further used as standard operation procedure, ultimately aiming at comprehensive targeted proteomics/oxylipin metabolomics strategies to examine the entire arachidonic acid cascade.
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Affiliation(s)
- Nicole M Hartung
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Gaußstr. 20, Wuppertal, 42119, Germany
| | - Annika I Ostermann
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Gaußstr. 20, Wuppertal, 42119, Germany
| | - Stephan Immenschuh
- Institute for Transfusion Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover, 30625, Germany
| | - Nils Helge Schebb
- Chair of Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Gaußstr. 20, Wuppertal, 42119, Germany
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7
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Yang HL, Kuo YT, Vudhya Gowrisankar Y, Lin KY, Hsu LS, Huang PJ, Lin HC, Hseu YC. The Leaf Extracts of Toona sinensis and Fermented Culture Broths of Antrodia camphorata Synergistically Cause Apoptotic Cell Death in Promyelocytic Leukemia Cells. Integr Cancer Ther 2020; 19:1534735420923734. [PMID: 32618215 PMCID: PMC7336824 DOI: 10.1177/1534735420923734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Toona sinensis is a common edible vegetable that is used in
certain Chinese dishes and has importance in folk medicine. The leaf extracts of
T sinensis possess and exhibit anticancer efficacy against
various cancer cell types. In Taiwanese folklore, Antrodia
camphorata, also known as “Niu-Cheng-Zi,” is used in traditional
medicine to treat various illnesses. Its fruit and mycelium possess various
potent antiproliferative properties. Two studies from our group have reported
that T sinensis or A camphorata has the
ability to cause apoptosis in various cancer cells. Conversely, underlying
molecular mechanisms and any beneficial effects remain unknown. This study shows
anticancer efficacy for both T sinensis and A
camphorata co-treatments that target HL-60 cells. The combination
index values indicate that 40 µg/mL of T sinensis and 25 µg/mL
of A camphorata as a combined treatment shows a synergetic
effect, which reduces HL-60 cell proliferation. Alternately, this treatment
exhibited no cytotoxic effects for human umbilical vein endothelial cells.
Western blot data showed that T sinensis and A
camphorata as a combined treatment result in augmented expression
of apoptosis, cytochrome c release, Bcl-2 inhibition, expression of Bax, Fas,
and FasL, as well as the cleavage of Bid in HL-60 cells. Moreover, this combined
treatment overshadowed monotherapy in its ability to inhibit uPAR, MMP-9, MMP-2,
COX-2 expression, and PGE2 secretions. Our study strongly implies
that this combined treatment offers more beneficial effects to suppress and
treat leukemia due to apoptosis-mediated cell inhibition. Further in
vivo studies related to the combined treatment could establish its
future potential.
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Affiliation(s)
- Hsin-Ling Yang
- Department of Nutrition, China Medical University, Taichung, Taiwan
| | - Ya-Ting Kuo
- Department of Nutrition, China Medical University, Taichung, Taiwan
| | | | - Kai-Yuan Lin
- Department of Medical Research, Chi-Mei Medical Center, Tainan, Taiwan
| | - Li-Sung Hsu
- Institute of Biochemistry and Biotechnology, Chung Shan Medical University, Taichung, Taiwan
| | - Pei-Jane Huang
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
| | - Hui-Chang Lin
- School of Pharmacy, China Medical University, Taichung, Taiwan
| | - You-Cheng Hseu
- Department of Cosmeceutics, School of Pharmacy, China Medical University, Taichung, Taiwan.,Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan.,Chinese Medicine Research Center, China Medical University, Taichung, Taiwan.,Research Center of Chinese Herbal Medicine, China Medical University, Taichung, Taiwan
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8
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Buzharevski A, Paskaš S, Sárosi MB, Laube M, Lönnecke P, Neumann W, Murganić B, Mijatović S, Maksimović-Ivanić D, Pietzsch J, Hey-Hawkins E. Carboranyl Derivatives of Rofecoxib with Cytostatic Activity against Human Melanoma and Colon Cancer Cells. Sci Rep 2020; 10:4827. [PMID: 32179835 PMCID: PMC7076013 DOI: 10.1038/s41598-020-59059-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 01/24/2020] [Indexed: 12/12/2022] Open
Abstract
Owing to the involvement of cyclooxygenase-2 (COX-2) in carcinogenesis, COX-2-selective inhibitors are increasingly studied for their potential cytotoxic properties. Moreover, the incorporation of carboranes in structures of established anti-inflammatory drugs can improve the potency and metabolic stability of the inhibitors. Herein, we report the synthesis of carborane-containing derivatives of rofecoxib that display remarkable cytotoxic or cytostatic activity in the micromolar range with excellent selectivity for melanoma and colon cancer cell lines over normal cells. Furthermore, it was shown that the carborane-modified derivatives of rofecoxib showed different modes of action that were dependent on the cell type.
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Affiliation(s)
- Antonio Buzharevski
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, D-04103, Leipzig, Germany
| | - Svetlana Paskaš
- Department of Immunology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia", Belgrade University, Belgrade, Serbia
| | - Menyhárt-Botond Sárosi
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, D-04103, Leipzig, Germany
| | - Markus Laube
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Department of Radiopharmaceutical and Chemical Biology, Bautzner Landstrasse 400, D-01328, Dresden, Germany
| | - Peter Lönnecke
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, D-04103, Leipzig, Germany
| | - Wilma Neumann
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, D-04103, Leipzig, Germany
| | - Blagoje Murganić
- Department of Immunology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia", Belgrade University, Belgrade, Serbia
| | - Sanja Mijatović
- Department of Immunology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia", Belgrade University, Belgrade, Serbia
| | - Danijelа Maksimović-Ivanić
- Department of Immunology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia", Belgrade University, Belgrade, Serbia
| | - Jens Pietzsch
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Department of Radiopharmaceutical and Chemical Biology, Bautzner Landstrasse 400, D-01328, Dresden, Germany
- Technische Universität Dresden, Faculty of Chemistry and Food Chemistry, Mommsenstrasse 4, D-01062, Dresden, Germany
| | - Evamarie Hey-Hawkins
- Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, D-04103, Leipzig, Germany.
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9
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Armando RG, Gómez DLM, Gomez DE. New drugs are not enough‑drug repositioning in oncology: An update. Int J Oncol 2020; 56:651-684. [PMID: 32124955 PMCID: PMC7010222 DOI: 10.3892/ijo.2020.4966] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/16/2019] [Indexed: 11/24/2022] Open
Abstract
Drug repositioning refers to the concept of discovering novel clinical benefits of drugs that are already known for use treating other diseases. The advantages of this are that several important drug characteristics are already established (including efficacy, pharmacokinetics, pharmacodynamics and toxicity), making the process of research for a putative drug quicker and less costly. Drug repositioning in oncology has received extensive focus. The present review summarizes the most prominent examples of drug repositioning for the treatment of cancer, taking into consideration their primary use, proposed anticancer mechanisms and current development status.
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Affiliation(s)
- Romina Gabriela Armando
- Laboratory of Molecular Oncology, Science and Technology Department, National University of Quilmes, Bernal B1876, Argentina
| | - Diego Luis Mengual Gómez
- Laboratory of Molecular Oncology, Science and Technology Department, National University of Quilmes, Bernal B1876, Argentina
| | - Daniel Eduardo Gomez
- Laboratory of Molecular Oncology, Science and Technology Department, National University of Quilmes, Bernal B1876, Argentina
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10
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Magee DJ, Jhanji S, Poulogiannis G, Farquhar-Smith P, Brown MRD. Nonsteroidal anti-inflammatory drugs and pain in cancer patients: a systematic review and reappraisal of the evidence. Br J Anaesth 2019; 123:e412-e423. [PMID: 31122736 PMCID: PMC6676054 DOI: 10.1016/j.bja.2019.02.028] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 02/28/2019] [Accepted: 02/28/2019] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Emerging data highlights the potential role of cyclooxygenase (COX) inhibitors in the primary prevention of malignancy, reducing metastatic spread and improving overall mortality. Despite nonsteroidal anti-inflammatory drugs (NSAIDs) forming a key component of the WHO analgesic ladder, their use in cancer pain management remains relatively low. This review re-appraises the current evidence regarding the efficacy of COX inhibitors as analgesics in cancer pain, providing a succinct resource to aid clinicians' decision making when determining treatment strategies. METHODS Medline® and Embase® databases were searched for publications up to November 2018. Randomised controlled trials (RCTs) and double-blind controlled studies considering the use of NSAIDs for management of cancer-related pain in adults were included. Animal studies, case reports, and retrospective observational data were excluded. RESULTS Thirty studies investigating the use of NSAIDs in cancer pain management were identified. There is a lack of high-quality evidence regarding the analgesic efficacy of NSAIDs in cancer pain, with short study durations and heterogeneity in outcome measures limiting the ability to draw meaningful conclusions. CONCLUSIONS Despite the renewed interest in these cost-effective, well-established medications in cancer treatment outcomes, there is a paucity of data from the past 15 yr regarding their efficacy in cancer pain management. However, when analgesic strategies in the cancer population are being formulated, it is important that the potential benefits of this class of drug are considered. Further work investigating the role of NSAIDs in cancer pain management is undoubtedly warranted.
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Affiliation(s)
- D J Magee
- Pain Medicine Department, The Royal Marsden Hospital, London, UK; Signalling and Cancer Metabolism, Division of Cancer Biology, The Institute of Cancer Research, London, UK.
| | - S Jhanji
- Anaesthesia and Perioperative Medicine, The Royal Marsden Hospital, London, UK; Perioperative and Critical Care Outcomes Group, Division of Cancer Biology, The Institute of Cancer Research, London, UK
| | - G Poulogiannis
- Signalling and Cancer Metabolism, Division of Cancer Biology, The Institute of Cancer Research, London, UK
| | - P Farquhar-Smith
- Pain Medicine Department, The Royal Marsden Hospital, London, UK
| | - M R D Brown
- Pain Medicine Department, The Royal Marsden Hospital, London, UK; Targeted Approaches to Cancer Pain Group, The Institute of Cancer Research, Sutton, Surrey, UK
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11
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Chok KC, Ng CH, Koh RY, Ng KY, Chye SM. The potential therapeutic actions of melatonin in colorectal cancer. Horm Mol Biol Clin Investig 2019; 39:hmbci-2019-0001. [DOI: 10.1515/hmbci-2019-0001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 04/01/2019] [Indexed: 12/24/2022]
Abstract
Abstract
Colorectal cancer (CRC) is the third most common cancer and lethal disease worldwide. Melatonin, an indoleamine produced in pineal gland, shows anticancer effects on a variety of cancers, especially CRC. After clarifying the pathophysiology of CRC, the association of circadian rhythm with CRC, and the relationship between shift work and the incidence of CRC is reviewed. Next, we review the role of melatonin receptors in CRC and the relationship between inflammation and CRC. Also included is a discussion of the mechanism of gene regulation, control of cell proliferation, apoptosis, autophagy, antiangiogenesis and immunomodulation in CRC by melatonin. A review of the drug synergy of melatonin with other anticancer drugs suggests its usefulness in combination therapy. In summary, the information compiled may serve as comprehensive reference for the various mechanisms of action of melatonin against CRC, and as a guide for the design of future experimental research and for advancing melatonin as a therapeutic agent for CRC.
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Affiliation(s)
- Kian Chung Chok
- School of Health Sciences, International Medical University , Kuala Lumpur , Malaysia
| | - Chew Hee Ng
- School of Pharmacy, International Medical University , Kuala Lumpur , Malaysia
| | - Rhun Yian Koh
- School of Health Sciences, International Medical University , Kuala Lumpur , Malaysia
| | - Khuen Yen Ng
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia , Selangor , Malaysia
| | - Soi Moi Chye
- School of Health Sciences, International Medical University , Kuala Lumpur , Malaysia , Phone: +6032731 7220; Fax: +60386567229
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12
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Khan GA, Bhagat S, Alam MI. PGE 2 -induced migration of human brain endothelial cell is mediated though protein kinase A in cooperation of EP receptors. J Leukoc Biol 2019; 105:705-717. [PMID: 30835912 DOI: 10.1002/jlb.2a0918-361r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 01/21/2019] [Accepted: 02/10/2019] [Indexed: 12/14/2022] Open
Abstract
PGE2 plays a critical role in angiogenesis, ischemic, and neuro-inflammatory disorders of the brain, which breakdown the blood-brain barrier (BBB). However, the effects of PGE2 on human brain endothelial cell (HBECs) migration, a key process in the angiogenic response and BBB stability, are not well defined. In this study, we investigated the mechanism of PGE2 in HBECs migration in vitro. Here we showed that PGE2 stimulated migration of HBECs in a dose-time and matrix-dependent manner, evaluated by the Boyden chamber assay, but other prostanoids failed to do so. PGE2 receptor (EP2; butaprost), EP3 (sulprostone), and EP4 (PGE1 -OH) receptor agonists stimulated HBECs migration, but the silencing of EP significantly attenuated this effect. EP1 agonist (11-trinor PGE1 ) had no effect on HBECs migration on silencing of the EP1 receptor. We further showed that PGE2 stimulated cAMP production and activated protein kinase A (PKA), whereas pretreatment with the adenyl cyclase inhibitor (dideoxyadenosine; 1 μM) or PKA inhibitors, H89 (0.5 μM)/PKAI (1 μM), completely abrogated PGE2 -induced migration. Furthermore, silencing of the EP2/EP4 receptors significantly inhibited PGE2 -induced cAMP and PKA activation, whereas EP3 receptor silencing failed to do so. These results suggest that PGE2 regulates HBEC migration via cooperation of EP2, EP3, and EP4 receptors. Coupling of PGE2 to these receptors resulted in increased production of cAMP, which regulates HBEC migration via PKA pathway. The elucidation of molecular events involved is critical for the development of targeted strategies to treat cerebrovascular diseases associated with dysregulated angiogenesis.
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Affiliation(s)
- Gausal A Khan
- Department of Physiology, Defence Institute of Physiology and Allied Sciences, Timarpur, New Delhi, India
| | - Saumya Bhagat
- Department of Physiology, Defence Institute of Physiology and Allied Sciences, Timarpur, New Delhi, India
| | - Md Iqbal Alam
- Department of Physiology, HIMSR, Jamia Hamdard, Hamdard Nagar, New Delhi, India
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Burgos-Aceves MA, Cohen A, Paolella G, Lepretti M, Smith Y, Faggio C, Lionetti L. Modulation of mitochondrial functions by xenobiotic-induced microRNA: From environmental sentinel organisms to mammals. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 645:79-88. [PMID: 30015121 DOI: 10.1016/j.scitotenv.2018.07.109] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 07/09/2018] [Accepted: 07/09/2018] [Indexed: 06/08/2023]
Abstract
Mitochondria play a crucial role in energetic metabolism, signaling pathways, and overall cell viability. They are in the first line in facing cellular energy requirements in stress conditions, such as in response to xenobiotic exposure. Recently, a novel regulatory key role of microRNAs (miRNAs) in important signaling pathways in mitochondria has been proposed. Consequently, alteration in miRNAs expression by xenobiotics could outcome into mitochondrial dysfunction, reactive oxygen species overexpression, and liberation of apoptosis or necrosis activating proteins. The aim of this review is to show the highlights about mitochondria-associated miRNAs in cellular processes exposed to xenobiotic stress in different cell types involved in detoxification processes or sensitive to environmental hazards in marine sentinel organisms and mammals.
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Affiliation(s)
- Mario Alberto Burgos-Aceves
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Amit Cohen
- Genomic Data Analysis Unit, The Hebrew University of Jerusalem-Hadassah Medical School, P.O. Box 12272, Jerusalem 91120, Israel
| | - Gaetana Paolella
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Marilena Lepretti
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Yoav Smith
- Genomic Data Analysis Unit, The Hebrew University of Jerusalem-Hadassah Medical School, P.O. Box 12272, Jerusalem 91120, Israel
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical, and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres, 31, 98166 Messina, Italy.
| | - Lillà Lionetti
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
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Landucci E, Llorente IL, Anuncibay-Soto B, Pellegrini-Giampietro DE, Fernández-López A. Using organotypic hippocampal slice cultures to gain insight into mechanisms responsible for the neuroprotective effects of meloxicam: a role for gamma aminobutyric and endoplasmic reticulum stress. Neural Regen Res 2018; 14:65-66. [PMID: 30531073 PMCID: PMC6263004 DOI: 10.4103/1673-5374.243704] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Elisa Landucci
- Sezione di Farmacologia Clinica e Oncologia, Dipartimento di Scienze della Salute, Università di Firenze, Firenze, Italy
| | - Irene L Llorente
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Berta Anuncibay-Soto
- Área de Biología Celular, Instituto de Biomedicina, Universidad de León; Neural Therapies SL, Edificio Institutos de Investigación, León, Spain
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Culita DC, Dyakova L, Marinescu G, Zhivkova T, Spasov R, Patron L, Alexandrova R, Oprea O. Synthesis, Characterization and Cytotoxic Activity of Co(II), Ni(II), Cu(II), and Zn(II) Complexes with Nonsteroidal Antiinflamatory Drug Isoxicam as Ligand. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-1033-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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16
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Landucci E, Llorente IL, Anuncibay-Soto B, Pellegrini-Giampietro DE, Fernández-López A. Bicuculline Reverts the Neuroprotective Effects of Meloxicam in an Oxygen and Glucose Deprivation (OGD) Model of Organotypic Hippocampal Slice Cultures. Neuroscience 2018; 386:68-78. [PMID: 29949743 DOI: 10.1016/j.neuroscience.2018.06.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Revised: 05/25/2018] [Accepted: 06/18/2018] [Indexed: 01/17/2023]
Abstract
We previously demonstrated that the non-steroidal anti-inflammatory agent meloxicam has neuroprotective effects in an oxygen and glucose deprivation model (OGD) of rat organotypic hippocampal slice cultures. We wondered if GABAergic transmission changed the neuroprotective effects of meloxicam and if meloxicam was able to modulate endoplasmic reticulum stress (ER stress) in this model. Mortality was measured using propidium iodide. Western blot assays were performed to measure levels of cleaved and non-cleaved caspase-3 to quantify apoptosis, while levels of GRP78, GRP94 and phosphorylated eIF2α were used to detect unfolded protein response (UPR). Transcript levels of GRP78, GRP94 and GABAergic receptor α, β, and γ subunits were measured by real-time quantitative polymerase chain reaction (qPCR). In the present study, we show that the presence of meloxicam in a 30 min OGD assay, followed by 24 h of normoxic conditions, presented an antiapoptotic effect. The simultaneous presence of the GABAA receptor antagonist, bicuculline, in combination with meloxicam blocked the neuroprotective effect provided by the latter. However, in light of its effects on caspase 3 and PARP, bicuculline did not seem to promote the apoptotic pathway. Our results also showed that meloxicam modified the unfolded protein response (UPR), as well as the transcriptional response of different genes, including the GABAA receptor, alpha1, beta3 and gamma2 subunits. We concluded that meloxicam has a neuroprotective anti-apoptotic action, is able to enhance the UPR independently of the systemic anti-inflammatory response and its neuroprotective effect can be inhibited by blocking GABAA receptors.
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Affiliation(s)
- Elisa Landucci
- Sezione di Farmacologia Clinica e Oncologia, Dipartimento di Scienze della Salute, Università di Firenze, Viale Pieraccini 6, 50139 Firenze, Italy.
| | - Irene L Llorente
- Neurology Department, David Geffen School of Medicine, University of California, Los Angeles, USA.
| | - Berta Anuncibay-Soto
- Área de Biología Celular, Instituto de Biomedicina, Universidad de León, 24071 León, Spain; Neural Therapies SL, Edificio Institutos de Investigación, Local B14, Universidad de León, 24071 León, Spain.
| | - Domenico E Pellegrini-Giampietro
- Sezione di Farmacologia Clinica e Oncologia, Dipartimento di Scienze della Salute, Università di Firenze, Viale Pieraccini 6, 50139 Firenze, Italy.
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17
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Elliott J. Temporary spontaneous regression of feline non-Hodgkin’s lymphoma. Aust Vet J 2018; 96:83-85. [DOI: 10.1111/avj.12672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 07/24/2017] [Accepted: 08/22/2017] [Indexed: 11/29/2022]
Affiliation(s)
- J Elliott
- Willows Veterinary Centre and Referral Service; Highlands Road, Solihull B90 4NH UK
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Makhdoumi P, Zarghi A, Daraei B, Karimi G. Evaluation of Cytotoxicity Effects of Chalcone Epoxide Analogues as a Selective COX-II Inhibitor in the Human Liver Carcinoma Cell Line. J Pharmacopuncture 2017; 20:207-212. [PMID: 30087797 PMCID: PMC5633673 DOI: 10.3831/kpi.2017.20.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 09/04/2017] [Accepted: 09/04/2017] [Indexed: 01/01/2023] Open
Abstract
Objectives Study of the mechanisms involved in cancer progression suggests that cyclooxygenase enzymes play an important role in the induction of inflammation, tumor formation, and metastasis of cancer cells. Thus, cyclooxygenase enzymes could be considered for cancer chemotherapy. Among these enzymes, cyclooxygenase 2 (COX-2) is associated with liver carcinogenesis. Various COX-2 inhibitors cause growth inhibition of human hepatocellular carcinoma cells, but many of them act in the COX-2 independent mechanism. Thus, the introduction of selective COX-2 inhibitors is necessary to achieve a clear result. The present study was aimed to determine the growth-inhibitory effects of new analogues of chalcone epoxide as selective COX-2 inhibitors on the human hepatocellular carcinoma (HepG2) cell line. Methods Estimation of both cell growth and the amount of prostaglandin E2 (PGE2) production were used to study the effect of selective COX-2 inhibitors on the hepatocellular carcinoma cell. Cell growth determination has done by MTT assay in 24 h, 48 h and 72 h, and PGE2 production has estimated by using ELYSA kit in 48 h and 72 h. Results The results showed growth inhibition of the HepG2 cell line in a concentration and time-dependent manner, as well as a reduction in the formation of PGE2 as a product of COX-2 activity. Among the compounds those analogues with methoxy and hydrogen group showed more inhibitory effect than others. Conclusion The current in-vitro study indicates that the observed significant growth-inhibitory effect of chalcone-epoxide analogues on the HepG2 cell line may involve COX-dependent mechanisms and the PGE2 pathway parallel to the effect of celecoxib. It can be said that these analogues might be efficient compounds in chemotherapy of COX-2 dependent carcinoma specially preventing and treatment of hepatocellular carcinomas.
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Affiliation(s)
- Pouran Makhdoumi
- Student Research Committee, Department of Pharmacodynamics and Toxicology, Faculty of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Afshin Zarghi
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bahram Daraei
- Department of Toxicology, Faculty of Medical Sciences, Tarbiat Modares University, Teharn, Iran.,Faculty of Pharmacy, Department of Toxicology and Pharmacology, Shaheed Beheshti University of Medical Sciences, Tehran, Iran
| | - Gholamreza Karimi
- Pharmaceutical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Xu JX, Xiong W, Zeng Z, Tang Y, Wang YL, Xiao M, Li M, Li QS, Song GL, Kuang J. Effect of ART1 on the proliferation and migration of mouse colon carcinoma CT26 cells in vivo. Mol Med Rep 2017; 15:1222-1228. [PMID: 28138708 PMCID: PMC5367323 DOI: 10.3892/mmr.2017.6152] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Accepted: 11/17/2016] [Indexed: 01/11/2023] Open
Abstract
Arginine-specific mono-ADP-ribosyltransferase 1 (ART1) is an important enzyme that catalyzes arginine-specific mono-ADP-ribosylation. There is evidence that arginine-specific mono-ADP-ribosylation may affect the proliferation of smooth muscle cells via the Rho-dependent signaling pathway. Previous studies have demonstrated that ART1 may have a role in the proliferation, invasion and apoptosis of colon carcinoma in vitro. However, the effect of ART1 on the proliferation and invasion of colon carcinoma in vivo has yet to be elucidated. In the present study, mouse colon carcinoma CT26 cells were infected with a lentivirus to produce ART1 gene silencing or overexpression, and were then subcutaneously transplanted. To observe the effect of ART1 on tumor growth or liver metastasis in vivo, a spleen transplant tumor model of CT26 cells in BALB/c mice was successfully constructed. Expression levels of focal adhesion kinase (FAK), Ras homolog gene family member A (RhoA) and the downstream factors, c-myc, c-fos and cyclooxygenase-2 (COX-2) proteins, were measured in vivo. The results demonstrated that ART1 gene silencing inhibited the growth of the spleen transplanted tumor and its ability to spread to the liver via metastasis. There was also an accompanying increase in expression of FAK, RhoA, c-myc, c-fos and COX-2, whereas CT26 cells with ART1 overexpression demonstrated the opposite effect. These results suggest a potential role for ART1 in the proliferation and invasion of CT26 cells and a possible mechanism in vivo.
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Affiliation(s)
- Jian-Xia Xu
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Wei Xiong
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Zhen Zeng
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Yi Tang
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ya-Lan Wang
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ming Xiao
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Ming Li
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Qing Shu Li
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Guang-Lin Song
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Jing Kuang
- Department of Pathology, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, P.R. China
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20
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Chang CT, Hseu YC, Thiyagarajan V, Huang HC, Hsu LS, Huang PJ, Liu JY, Liao JW, Yang HL. Antrodia salmonea induces G 2 cell-cycle arrest in human triple-negative breast cancer (MDA-MB-231) cells and suppresses tumor growth in athymic nude mice. JOURNAL OF ETHNOPHARMACOLOGY 2017; 196:9-19. [PMID: 27986611 DOI: 10.1016/j.jep.2016.12.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/19/2016] [Accepted: 12/10/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Antrodia salmonea (AS), is a well-known folk medicinal mushroom in Taiwan, has been reported to exhibit anti-oxidant, anti-angiogenic, and anti-inflammatory effects. MATERIALS AND METHODS In the present study, we examined the effects of AS on cell-cycle arrest in vitro in MDA-MB-231 cells and on tumor regression in vivo using an athymic nude mice model. RESULTS AS (0-200μg/mL) treatment significantly induced G2 cell-cycle arrest in MDA-MB-231 cells by reducing the levels of cyclin B1, cyclin A, cyclin E, and CDC2 proteins. In addition, N-acetylcysteine (NAC) pretreatment prevented AS induced G2 cell-cycle arrest, indicating that ROS accumulation and subsequent cell cycle arrest might be a major mechanism of AS-induced cytotoxicity. Further, AS treatment decreased COX-2 expression and induced PARP cleavage was significantly reversed by NAC pretreatment in MDA-MB-231 cells. The in vivo study results revealed that AS treatment was effective in terms of delaying the tumor incidence and reducing the tumor growth in MDA-MB-231-xenografted nude mice. TUNEL assay, immunohistochemical staining and Western blotting confirmed that AS significantly modulated the xenografted tumor progression as demonstrated by induction of apoptosis, autophagy, and cell-cycle arrest. CONCLUSION Our data strongly suggest that Antrodia salmonea could be an anti-cancer agent for human breast cancer.
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Affiliation(s)
- Chia-Ting Chang
- Institute of Nutrition, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung 40402, Taiwan
| | - You-Cheng Hseu
- Department of Cosmeceutics,Cosmeceutics, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung 40402, Taiwan; Department of Health and Nutrition Biotechnology, Asia University, Taichung 41354, Taiwan
| | - Varadharajan Thiyagarajan
- Department of Cosmeceutics,Cosmeceutics, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung 40402, Taiwan
| | - Hui-Chi Huang
- School of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung 40402, Taiwan
| | - Li-Sung Hsu
- Institute of Biochemistry and Biotechnology, Chung Shan Medical University, 40402 Taichung, Taiwan
| | - Pei-Jane Huang
- Department of Health and Nutrition Biotechnology, Asia University, Taichung 41354, Taiwan
| | - Jer-Yuh Liu
- Graduate Institute of Cancer Biology, China Medical University, Taichung 40402, Taiwan
| | - Jiunn-Wang Liao
- Graduate Institute of Veterinary Pathology, National Chung Hsing University, Taichung 402, Taiwan
| | - Hsin-Ling Yang
- Institute of Nutrition, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung 40402, Taiwan.
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Ong SM, Saeki K, Tanaka Y, Nishimura R, Nakagawa T. Effects of etoposide alone and in combination with piroxicam on canine osteosarcoma cell lines. Vet J 2016; 218:51-59. [PMID: 27938709 DOI: 10.1016/j.tvjl.2016.11.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Revised: 09/21/2016] [Accepted: 11/15/2016] [Indexed: 12/21/2022]
Abstract
Osteosarcoma (OSA) is the most common primary bone tumour in dogs. The poor survival rate in dogs with OSA highlights the need for new therapeutic approaches. This study evaluated the cytotoxic effects of etoposide, alone and in combination with piroxicam, on canine OSA cell cultures. Etoposide alone significantly suppressed cell growth and viability, whereas etoposide in combination with piroxicam exhibited concentration dependent cytotoxicity. The anti-proliferative effect was a result of inactivity of the Cdc2-cyclin B1 complex, which correlated with an increase in the G2/M fraction. This subsequently activated the apoptosis cascade, as indicated by elevated apoptosis levels and up-regulation of poly (ADP-ribose) polymerase proteolytic cleavage. Down-regulation of survivin expression induced by the combination treatment may have contributed to the enhanced cytotoxicity. The results of this study suggest that further investigation of etoposide and piroxicam as a therapeutic combination for canine OSA is warranted.
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Affiliation(s)
- S M Ong
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - K Saeki
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Y Tanaka
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - R Nishimura
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - T Nakagawa
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
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Teema AM, Zaitone SA, Moustafa YM. Ibuprofen or piroxicam protects nigral neurons and delays the development of l-dopa induced dyskinesia in rats with experimental Parkinsonism: Influence on angiogenesis. Neuropharmacology 2016; 107:432-450. [PMID: 27016022 DOI: 10.1016/j.neuropharm.2016.03.034] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 03/04/2016] [Accepted: 03/22/2016] [Indexed: 12/21/2022]
Abstract
Neuroinflammation and angiogenesis have been involved in the pathogenesis of Parkinson's disease (PD). This study investigated the effect of ibuprofen or piroxicam on the motor response to l-dopa and development of dyskinesia in Parkinsonian rats focusing on the anti-angiogenic role of the two non-steroidal anti-inflammatory drugs (NSAIDs). Rats were divided into nine groups as follows: Group I: the vehicle group, Group II: rotenone group, rats were injected with nine doses of rotenone (1 mg/kg/48 h), group III&IV: rats received rotenone + ibuprofen (10 or 30 mg/kg), Group V-VI: rats received rotenone + piroxicam (1 or 3 mg/kg), Group VII: rats received rotenone + l-dopa/carbidopa (100/10 mg/kg), Group VIII-IX: rats received rotenone + l-dopa/carbidopa + ibuprofen (30 mg/kg) or piroxicam (3 mg/kg). In general, drugs were administered daily for ten weeks. Rotenone-treated rats showed motor dysfunction, lower striatal dopamine, lower staining for nigral tyrosine hydroxylase but higher level of striatal cyclooxygenase-2 (COX-2) and vascular endothelial growth factor (VEGF) compared to vehicle-treated rats (P < 0.05). Treatment with l-dopa showed wearing-off over the course of the experiment in addition to development of abnormal involuntary movements and upregulated striatal VEGF level. Treatment with ibuprofen or piroxicam in combination with l-dopa preserved the effect of l-dopa at the end of week 10, delayed the development of dyskinesia and decreased striatal COX-2 and VEGF levels. In conclusion, the current study suggests that ibuprofen and piroxicam are promising candidates for neuroprotection in PD and may have utility in conjunction with l-dopa in order to ensure the longevity of its action and to delay the development of dyskinesia.
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Affiliation(s)
| | - Sawsan A Zaitone
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt.
| | - Yasser M Moustafa
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
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Abstract
The molecular and cellular basis of inflammation has become a topic of great interest of late because of the association between mechanisms of inflammation and risk for cancer. Inflammatory-mediated events, such as the production of reactive oxygen species (ROS), the activation of growth factors (for wound repair), and the altering of signal-transduction processes to activate cell-proliferation (to replace necrotic/apoptotic tissue cells), events that also can occur independently of inflammation, are all considered to be components of risk for a variety of cancers. Using scar cancer of the lung as an example, mechanisms of inflammation associated with recurring infections with Mycobacterium tuberculosisare discussed in the context that they may, in fact, be the major or sole cause of a cancer. Production of ROS, prostaglandins, leukotrienes, and cytokines in pulmonary tissues is greatly enhanced due to a cell-mediated immune response against macrophages infected with M. tuberculosis. These responses lead to the extensive fibrosis associated with recurring infections, possibly leading to decreased clearance of lymph and lymph-associated particles from the infected region. They also will enhance rates of cell division by inhibiting synthesis of P21, leading to enhanced progression from G0 arrest to G1 phase, from G1 to Sphase, and from G2 to M phase of the cell cycle. By increasing rates of oxidative DNA damage and inhibiting apoptosis by enhancing synthesis of BCL-2, mutagenesis of progeny cells is enhanced, and these effects coupled with enhanced angiogenesis stimulated by COX-2 products lead to an environment that is highly conducive to tumorigenesis. Based on the evidence, it appears that but for an inflammatory response to recurring infections, some cases of scar cancer would not exist. By making appropriate lifestyle and dietary changes, a variety of anti-inflammatory effects can be produced, which should attenuate inflammation-induced risk for cancer.
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Ravula P, Vamaraju HB, Paturi M, Chandra Jn NS, Kolli S. Design, synthesis, in silico toxicity prediction, molecular docking, and evaluation of novel pyrazole derivatives as potential antiproliferative agents. EXCLI JOURNAL 2016; 15:187-202. [PMID: 27103897 PMCID: PMC4834670 DOI: 10.17179/excli2016-103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Accepted: 01/27/2016] [Indexed: 11/10/2022]
Abstract
A new series of pyrazole derivatives were designed by docking into vascular endothelial growth factor receptor-2 (VEGFR-2) kinase active site. The designed compounds were synthesized and evaluated for in vitro antiproliferative activity against HT-29 colon and PC-3 prostate cancer cell lines, and angioinhibitory activity in chorioallantoic membrane (CAM) model. Based on the obtained antiproliferative activity results of in vitro and CAM assay, compounds 4b, 4c, 4f, 5b, 5c and 5f were selected, and tested for anticancer activity using in vivo ehrlich ascites carcinoma (EAC) bearing mice. Compound 5c showed the highest in vitro antiproliferative activity against HT-29 and PC-3 with IC50 values of 6.43 µM and 9.83 µM respectively and comparable to reference drug Doxorubicin. Results of in vivo anticancer activity revealed that compound 5c showed the highest percentage increase in life span ( %ILS), and mean survival time (MST) with 75.13 % and 32.4 ± 0.53 days respectively. Moreover, compound 5c demonstrated significant reduction of microvessel density (MVD) in CAM assay. In silico prediction of toxicities, and drug score profiles of designed compounds are promising. A correlation made between the results obtained by antiproliferative study and molecular docking studies suggest that the synthesized compounds may be beneficial as molecular scaffolds for antiproliferative activity.
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Affiliation(s)
- Parameshwar Ravula
- Department of Pharmaceutical Chemistry, Guru Nanak Institutions Technical Campus, School of Pharmacy, Jawaharlal Nehru Technological University, Hyderabad- 501301, India
| | - Harinadha Babu Vamaraju
- Medicinal Chemistry Division, G. Pulla Reddy College of Pharmacy, Osmania University, Hyderabad - 500028, India
| | - Manichandrika Paturi
- Department of Pharmaceutical Chemistry, Bojjam Narsimulu Pharmacy College for Woman, Jawaharlal Nehru Technological University, Hyderabad-500028, India
| | - Narendra Sharath Chandra Jn
- Department of Pharmaceutical Chemistry, Guru Nanak Institutions Technical Campus, School of Pharmacy, Jawaharlal Nehru Technological University, Hyderabad- 501301, India
| | - Swetha Kolli
- Medicinal Chemistry Division, G. Pulla Reddy College of Pharmacy, Osmania University, Hyderabad - 500028, India
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Mica Nanoparticle, STB-HO Eliminates the Human Breast Carcinoma Cells by Regulating the Interaction of Tumor with its Immune Microenvironment. Sci Rep 2015; 5:17515. [PMID: 26631982 PMCID: PMC4668362 DOI: 10.1038/srep17515] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Accepted: 10/29/2015] [Indexed: 11/09/2022] Open
Abstract
Mica, an aluminosilicate mineral, has been proven to possess anti-tumor and immunostimulatory effects. However, its efficacy and mechanisms in treating various types of tumor are less verified and the mechanistic link between anti-tumor and immunostimulatory effects has not been elucidated. We sought to investigate the therapeutic effect of STB-HO (mica nanoparticles) against one of the most prevalent cancers, the breast cancer. STB-HO was orally administered into MCF-7 xenograft model or directly added to culture media and tumor growth was monitored. STB-HO administration exhibited significant suppressive effects on the growth of MCF-7 cells in vivo, whereas STB-HO did not affect the proliferation and apoptosis of MCF-7 cells in vitro. To address this discrepancy between in vivo and in vitro results, we investigated the effects of STB-HO treatment on the interaction of MCF-7 cells with macrophages, dendritic cells (DCs) and natural killer (NK) cells, which constitute the cellular composition of tumor microenvironment. Importantly, STB-HO not only increased the susceptibility of MCF-7 cells to immune cells, but also stimulated the immunocytes to eliminate cancer cells. In conclusion, our study highlights the possible role of STB-HO in the suppression of MCF-7 cell growth via the regulation of interactions between tumor cells and anti-tumor immune cells.
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Liu R, Xu KP, Tan GS. Cyclooxygenase-2 inhibitors in lung cancer treatment: Bench to bed. Eur J Pharmacol 2015; 769:127-33. [DOI: 10.1016/j.ejphar.2015.11.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 10/27/2015] [Accepted: 11/04/2015] [Indexed: 01/09/2023]
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Leidgens V, Seliger C, Jachnik B, Welz T, Leukel P, Vollmann-Zwerenz A, Bogdahn U, Kreutz M, Grauer OM, Hau P. Ibuprofen and Diclofenac Restrict Migration and Proliferation of Human Glioma Cells by Distinct Molecular Mechanisms. PLoS One 2015; 10:e0140613. [PMID: 26485029 PMCID: PMC4617646 DOI: 10.1371/journal.pone.0140613] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 09/27/2015] [Indexed: 11/24/2022] Open
Abstract
Background Non-steroidal anti-inflammatory drugs (NSAIDs) have been associated with anti-tumorigenic effects in different tumor entities. For glioma, research has generally focused on diclofenac; however data on other NSAIDs, such as ibuprofen, is limited. Therefore, we performed a comprehensive investigation of the cellular, molecular, and metabolic effects of ibuprofen and diclofenac on human glioblastoma cells. Methods Glioma cell lines were treated with ibuprofen or diclofenac to investigate functional effects on proliferation and cell motility. Cell cycle, extracellular lactate levels, lactate dehydrogenase-A (LDH-A) expression and activity, as well as inhibition of the Signal Transducer and Activator of Transcription 3 (STAT-3) signaling pathway, were determined. Specific effects of diclofenac and ibuprofen on STAT-3 were investigated by comparing their effects with those of the specific STAT-3 inhibitor STATTIC. Results Ibuprofen treatment led to a stronger inhibition of cell growth and migration than treatment with diclofenac. Proliferation was affected by cell cycle arrest at different checkpoints by both agents. In addition, diclofenac, but not ibuprofen, decreased lactate levels in all concentrations used. Both decreased STAT-3 phosphorylation; however, diclofenac led to decreased c-myc expression and subsequent reduction in LDH-A activity, whereas treatment with ibuprofen in higher doses induced c-myc expression and less LDH-A alteration. Conclusions This study indicates that both ibuprofen and diclofenac strongly inhibit glioma cells, but the subsequent metabolic responses of both agents are distinct. We postulate that ibuprofen may inhibit tumor cells also by COX- and lactate-independent mechanisms after long-term treatment in physiological dosages, whereas diclofenac mainly acts by inhibition of STAT-3 signaling and downstream modulation of glycolysis.
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Affiliation(s)
- Verena Leidgens
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
| | - Corinna Seliger
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
| | - Birgit Jachnik
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
| | - Tobias Welz
- Department of Neurology, Molecular Cell Biology Laboratory, University Hospital Regensburg, Regensburg, Germany
| | - Petra Leukel
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
| | - Arabel Vollmann-Zwerenz
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
| | - Ulrich Bogdahn
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
| | - Marina Kreutz
- Department of Internal Medicine III, University Hospital Regensburg, Regensburg, Germany and Regensburg Center for Interventional Immunology (RCI), Regensburg, Germany
| | - Oliver M Grauer
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
| | - Peter Hau
- Department of Neurology and Wilhelm Sander-NeuroOncology Unit, University Hospital Regensburg, Regensburg, Germany
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Li F, Zhang J, Arfuso F, Chinnathambi A, Zayed ME, Alharbi SA, Kumar AP, Ahn KS, Sethi G. NF-κB in cancer therapy. Arch Toxicol 2015; 89:711-31. [PMID: 25690730 DOI: 10.1007/s00204-015-1470-4] [Citation(s) in RCA: 154] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 02/05/2015] [Indexed: 02/06/2023]
Abstract
The transcription factor nuclear factor kappa B (NF-κB) has attracted increasing attention in the field of cancer research from last few decades. Aberrant activation of this transcription factor is frequently encountered in a variety of solid tumors and hematological malignancies. NF-κB family members and their regulated genes have been linked to malignant transformation, tumor cell proliferation, survival, angiogenesis, invasion/metastasis, and therapeutic resistance. In this review, we highlight the diverse molecular mechanism(s) by which the NF-κB pathway is constitutively activated in different types of human cancers, and the potential role of various oncogenic genes regulated by this transcription factor in cancer development and progression. Additionally, various pharmacological approaches employed to target the deregulated NF-κB signaling pathway, and their possible therapeutic potential in cancer therapy is also discussed briefly.
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Affiliation(s)
- Feng Li
- Department of Pharmacology, Yong Loo Lin School of Medicine, Cancer Science Institute, National University of Singapore, Singapore, 117597, Singapore
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Tseng CH, Tzeng CC, Chiu CC, Hsu CY, Chou CK, Chen YL. Discovery of 2-[2-(5-nitrofuran-2-yl)vinyl]quinoline derivatives as a novel type of antimetastatic agents. Bioorg Med Chem 2015; 23:141-8. [DOI: 10.1016/j.bmc.2014.11.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Revised: 11/10/2014] [Accepted: 11/11/2014] [Indexed: 12/12/2022]
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Kim MJ, Kim HS, Lee SH, Yang Y, Lee MS, Lim JS. NDRG2 controls COX-2/PGE₂-mediated breast cancer cell migration and invasion. Mol Cells 2014; 37:759-65. [PMID: 25256221 PMCID: PMC4213768 DOI: 10.14348/molcells.2014.0232] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 09/02/2014] [Accepted: 09/02/2014] [Indexed: 01/22/2023] Open
Abstract
N-myc downstream-regulated gene 2 (NDRG2), which is known to have tumor suppressor functions, is frequently down-regulated in breast cancers and potentially involved in preventing the migration and invasion of malignant tumor cells. In the present study, we examined the inhibitory effects of NDRG2 overexpression, specifically focusing on the role of cyclooxygenase-2 (COX-2) in the migration of breast cancer cells. NDRG2 overexpression in MDA-MB-231 cells inhibited the expression of the COX-2 mRNA and protein, the transcriptional activity of COX-2, and prostaglandin E2 (PGE2) production, which were induced by a treatment with phorbol-12-myristate-13-acetate (PMA). Nuclear transcription factor-κB (NF-κB) signaling attenuated by NDRG2 expression resulted in a decrease in PMA-induced COX-2 expression. Interestingly, the inhibition of COX-2 strongly suppressed PMA-stimulated migration and invasion in MDA-MB-231-NDRG2 cells. Moreover, siRNA-mediated knockdown of NDRG2 in MCF7 cells increased the COX-2 mRNA and protein expression levels and the PMA-induced COX-2 expression levels. Consistent with these results, the migration and invasion of MCF7 cells treated with NDRG2 siRNA were significantly enhanced following treatment with PMA. Taken together, our data show that the inhibition of NF-κB signaling by NDRG2 expression is able to suppress cell migration and invasion through the down-regulation of COX-2 expression.
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Affiliation(s)
- Myung-Jin Kim
- Department of Biological Science and the Research Center for Women’s Disease, Sookmyung Women’s University, Seoul 140-742, Korea
| | - Hak-Su Kim
- Department of Biological Science and the Research Center for Women’s Disease, Sookmyung Women’s University, Seoul 140-742, Korea
| | | | - Young Yang
- Department of Biological Science and the Research Center for Women’s Disease, Sookmyung Women’s University, Seoul 140-742, Korea
| | - Myeong-Sok Lee
- Department of Biological Science and the Research Center for Women’s Disease, Sookmyung Women’s University, Seoul 140-742, Korea
| | - Jong-Seok Lim
- Department of Biological Science and the Research Center for Women’s Disease, Sookmyung Women’s University, Seoul 140-742, Korea
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Fang L, Chang HM, Cheng JC, Leung PCK, Sun YP. TGF-β1 induces COX-2 expression and PGE2 production in human granulosa cells through Smad signaling pathways. J Clin Endocrinol Metab 2014; 99:E1217-26. [PMID: 24712567 DOI: 10.1210/jc.2013-4100] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT Cyclooxygenase-2 (COX-2) expression and prostaglandin E2 (PGE2) production have been shown to play key roles in the regulation of ovulation. The TGF-β superfamily members are important molecules that regulate many ovarian functions under normal physiological and pathological conditions. TGF-β1 and its receptors are expressed in human granulosa cells. However, to date, whether TGF-β1 can regulate COX-2 expression and PGE2 production, which in turn contribute to the process of ovulation, remains unknown. OBJECTIVE The objective of the study was to investigate the effects of TGF-β1 on COX-2 expression and PGE2 production in human granulosa cells. DESIGN SVOG cells are human granulosa cells that were obtained from women undergoing in vitro fertilization and immortalized with Simian virus 40 large T antigen. SVOG cells were used to investigate the effect of TGF-β1 on COX-2 expression and PGE2 production. SETTING The study was conducted at an academic research center. MAIN OUTCOME MEASURES mRNA and protein levels were examined by RT-quantitative real-time PCR and Western blotting, respectively. The concentrations of PGE2 in the culture medium were measured by an ELISA. RESULTS TGF-β1 treatment induced COX-2 expression and PGE2 production. The inductive effects of TGF-β1 on COX-2 and PGE2 were abolished by the inhibition of TGF-β type I receptor (TβRI). In addition, treatment with TGF-β1 activated phosphorylated mothers against decapentaplegic (Smad)-2 and Smad3 signaling pathways. Inhibition of the Smad signaling pathways by small interfering RNA-mediated approaches attenuated the TGF-β1-induced COX-2 expression and PGE2 production. CONCLUSION TGF-β1 induced PGE2 production by inducing the COX-2 expression through a Smad-dependent signaling pathway in human granulosa cells.
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Affiliation(s)
- Lanlan Fang
- Reproductive Medical Center (L.F., Y.-P.S.), The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China 450052; and Department of Obstetrics and Gynaecology (L.F., H.-M.C., J.-C.C., P.C.K.L.), Child and Family Research Institute, University of British Columbia, Vancouver, British Columbia, Canada V5Z 4H4
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Asproni P, Vignoli M, Cancedda S, Millanta F, Terragni R, Poli A. Immunohistochemical Expression of Cyclooxygenase-2 in Normal, Hyperplastic and Neoplastic Canine Lymphoid Tissues. J Comp Pathol 2014; 151:35-41. [DOI: 10.1016/j.jcpa.2014.03.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Revised: 02/11/2014] [Accepted: 03/19/2014] [Indexed: 02/07/2023]
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Rasool S, Rasool V, Naqvi T, Ganai BA, Shah BA. Genetic unraveling of colorectal cancer. Tumour Biol 2014; 35:5067-82. [PMID: 24573608 DOI: 10.1007/s13277-014-1713-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Accepted: 01/29/2014] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer is a common disease in both men and women (being the third most common cancer in men and the second most common among women) and thus represents an important and serious public health issue, especially in the western world. Although it is a well-established fact that cancers of the large intestine produce symptoms relatively earlier at a stage that can be easily cured by resection, a large number of people lose their lives to this deadly disease each year. Recent times have seen an important change in the incidence of colorectal cancer in different parts of the world. The etiology of colorectal cancer is multifactorial and is likely to involve the actions of genes at multiple levels along the multistage carcinogenesis process. Exhaustive efforts have been made out in the direction of unraveling the role of various environmental factors, gene mutations, and polymorphisms worldwide (as well as in Kashmir-"a valley of gastrointestinal cancers") that have got a role to play in the development of this disease so that antitumor drugs could be developed against this cancer, first, and, finally, the responsiveness or resistance to these agents could be understood for combating this global issue.
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Affiliation(s)
- Sabha Rasool
- Department of Biochemistry, University of Kashmir, Hazratbal, Srinagar, 190006, Kashmir, India
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Cyclooxygenase 2 promoted the tumorigenecity of pancreatic cancer cells. Tumour Biol 2013; 35:2271-8. [PMID: 24146280 DOI: 10.1007/s13277-013-1301-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2013] [Accepted: 10/07/2013] [Indexed: 01/16/2023] Open
Abstract
Pancreatic cancer is one of the leading causes of cancer-related death in the world. It is very urgent to find new therapeutic targets and improve the treatment. Cyclooxygenase 2 (Cox2), a regulator of inflammation signaling, has been found to be involved in tumorigenesis of various tumor types. However, its biological functions in pancreatic cancer cells are not fully understood. Here, we found that the expression of Cox2 was elevated in pancreatic cancer tissues compared with that in the paired normal tissues. The over-expression of Cox2 in pancreatic cancer cells promoted cell proliferation and migration, while the knockdown of the expression of Cox2 inhibited the tumorigenesis of pancreatic cancer cells in vitro and in vivo. Mechanistically, Cox2 regulated the expression of multiple genes involved in cell growth, migration, and cell apoptosis. Taken together, our study revealed the pivotal function of Cox2 in pancreatic cancer, and Cox2 might be an important therapeutic target for the treatment.
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Fang H, Declerck YA. Targeting the tumor microenvironment: from understanding pathways to effective clinical trials. Cancer Res 2013; 73:4965-77. [PMID: 23913938 DOI: 10.1158/0008-5472.can-13-0661] [Citation(s) in RCA: 199] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
It is clear that tumor cells do not act alone but in close interaction with the extracellular matrix and with stromal cells in the tumor microenvironment (TME). As our understanding of tumor cell-stroma interactions increased over the last two decades, significant efforts have been made to develop agents that interfere with these interactions. Here, we discuss four different therapeutic strategies that target the TME, focusing on agents that are at the most advanced stage of preclinical or clinical development. We end this review by outlining some of the lessons we have learned so far from the development of TME-targeting agents.
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Affiliation(s)
- Hua Fang
- Division of Hematology-Oncology, University of Southern California, Los Angeles, Los Angeles, USA
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Reappraisal of the therapeutic role of celecoxib in cholangiocarcinoma. PLoS One 2013; 8:e69928. [PMID: 23922859 PMCID: PMC3724720 DOI: 10.1371/journal.pone.0069928] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Accepted: 06/13/2013] [Indexed: 01/01/2023] Open
Abstract
Cholangiocarcinoma (CCA), a lethal disease, affects many thousands worldwide yearly. Surgical resection provides the best chance for a cure; however, only one-third of CCA patients present with a resectable tumour at the time of diagnosis. Currently, no effective chemotherapy is available for advanced CCA. Cyclooxygenase-2 (COX-2) is a potential oncogene expressing in human CCA tissues and represents a candidate target for treatment; however, COX-2 inhibitors increase the risk of negative cardiovascular events as application for chemoprevention aim. Here, we re-evaluated the effectiveness and safety of celecoxib, one widely used COX-2 inhibitor, in treating CCA. We demonstrated that celecoxib exhibited an anti-proliferative effect on CGCCA cells via cell cycle arrest at G2 phase and apoptosis induction. Treatment for 5 weeks high dose celecoxib (160 mg/kg) significantly repressed thioacetamide-induced CCA tumour growth in rats as monitored by animal positron emission tomography through apoptosis induction. No obviously observable side effects were noted during the therapeutic period. As retrospectively reviewing 78 intrahepatic mass-forming CCA patients, their survival was strongly and negatively associated with a positive resection margin and high COX-2 expression. Based on our result, we concluded that short-term high dose celecoxib may be a promising therapeutic regimen for CCA. Yet its clinical application still needs more studies to prove its safety.
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Quyen BT, Choi HK, Kang KW. Pin1 is required for ultraviolet A-stimulated cyclooxygenase-2 induction in mouse epidermal cells. Cancer Lett 2013; 335:31-40. [DOI: 10.1016/j.canlet.2013.01.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Revised: 01/25/2013] [Accepted: 01/25/2013] [Indexed: 01/09/2023]
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Attenuation of Proinflammatory Responses by S-[6]-Gingerol via Inhibition of ROS/NF-Kappa B/COX2 Activation in HuH7 Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:146142. [PMID: 23843863 PMCID: PMC3697228 DOI: 10.1155/2013/146142] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Revised: 05/17/2013] [Accepted: 05/24/2013] [Indexed: 02/06/2023]
Abstract
Introduction. Hepatic inflammation underlies the pathogenesis of chronic diseases such as insulin resistance and type 2 diabetes mellitus. S-[6]-Gingerol has been shown to have anti-inflammatory properties. Important inflammatory mediators of interleukins include nuclear factor κ B (NF κ B) and cyclooxygenase 2 (COX2). We now explore the mechanism of anti-inflammatory effects of S-[6]-gingerol in liver cells. Methods. HuH7 cells were stimulated with IL1β to establish an in vitro hepatic inflammatory model. Results. S-[6]-Gingerol attenuated IL1β-induced inflammation and oxidative stress in HuH7 cells, as evidenced by decreasing mRNA levels of inflammatory factor IL6, IL8, and SAA1, suppression of ROS generation, and increasing mRNA levels of DHCR24. In addition, S-[6]-gingerol reduced IL1β-induced COX2 upregulation as well as NF κ B activity. Similar to the protective effects of S-[6]-gingerol, both NS-398 (a selective COX2 inhibitor) and PDTC (a selective NF κ B inhibitor) suppressed mRNA levels of IL6, IL8, and SAA1. Importantly, PDTC attenuated IL1β-induced overexpression of COX2. Of particular note, the protective effect of S-[6]-gingerol against the IL1β-induced inflammatory response was similar to that of BHT, an ROS scavenger. Conclusions. The findings of this study demonstrate that S-[6]-gingerol protects HuH7 cells against IL1β-induced inflammatory insults through inhibition of the ROS/NF κ B/COX2 pathway.
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Peng L, Zhou Y, Wang Y, Mou H, Zhao Q. Prognostic significance of COX-2 immunohistochemical expression in colorectal cancer: a meta-analysis of the literature. PLoS One 2013; 8:e58891. [PMID: 23527044 PMCID: PMC3604072 DOI: 10.1371/journal.pone.0058891] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 02/07/2013] [Indexed: 12/15/2022] Open
Abstract
Background Cyclooxygenase-2 (COX-2) is believed to be an important enzyme in the pathogenesis of colorectal cancer (CRC). Correlations between the expression of COX-2 with tumor growth and distant metastasis have become an issue; thus, attention has been paid to COX-2 as a prognostic factor. Various studies examined the relationship between COX-2 immunohistochemistry (IHC) overexpression with the clinical outcome in patients with colorectal cancer, but yielded conflicting results. The prognostic significance of COX-2 overexpression in colorectal cancer remains controversial. Methods Electronic databases updated to October 2012 were searched to find relevant studies. A meta-analysis was conducted with eligible studies which quantitatively evaluated the relationship between COX-2 overexpression and survival of patients with colorectal cancer. Survival data were aggregated and quantitatively analyzed. Results We performed a meta-analysis of 23 studies (n = 4567 patients) that evaluated the correlation between COX-2 overexpression detected by IHC and survival in patients with colorectal cancer. Combined hazard ratios suggested that COX-2 overexpression had an unfavorable impact on overall survival (OS) (HR [hazard ratio] = 1.193, 95% CI [confidence interval]: 1.02 ∼ 1.37), but not disease free survival (DFS) (HR = 1.25, 95% CI: 0.99 ∼ 1.50) in patients with colorectal cancer. Conclusions Cox-2 overexpression in colorectal cancer detected by IHC appears to have slightly worse overall survival. However, the prognostic value of COX-2 on survival in colorectal cancer still needs further large-scale prospective trials to be clarified.
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Affiliation(s)
- Ling Peng
- Department of Thoracic Oncology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yun Zhou
- Zhejiang Food and Drug Administration, Hangzhou, China
| | - Yina Wang
- Department of Thoracic Oncology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Haibo Mou
- Department of Thoracic Oncology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Qiong Zhao
- Department of Thoracic Oncology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- * E-mail:
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Cocoş R, Schipor S, Nicolae I, Thomescu C, Raicu F. Role of COX-2 activity and CRP levels in patients with non-melanoma skin cancer. −765G>C PTGS2 polymorphism and NMSC risk. Arch Dermatol Res 2011; 304:335-42. [DOI: 10.1007/s00403-011-1194-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Revised: 11/15/2011] [Accepted: 11/20/2011] [Indexed: 12/14/2022]
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Discriminating different cancer cells using a zebrafish in vivo assay. Cancers (Basel) 2011; 3:4102-13. [PMID: 24213127 PMCID: PMC3763412 DOI: 10.3390/cancers3044102] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2011] [Revised: 10/13/2011] [Accepted: 10/21/2011] [Indexed: 11/17/2022] Open
Abstract
Despite the expanded understanding of tumor angiogenesis phenomenon and how it impacts cancer treatment outcomes, we have yet to develop a robust assay that can quickly, easily, and quantitatively measure tumor-induced angiogenesis. Since the zebrafish/tumor xenograft represents an emerging tool in this regard, the present study strives to capitalize on the ease, effectiveness, and the adaptability of this model to quantify tumor angiogenesis. In order to test a range of responses, we chose two different tumorigenic cell lines, the human non-small cell lung carcinoma (H1299) and the mouse lung adenocarcinoma (CL13). Non-tumorigenic 3T3-L1 cells served as negative control. The cells were grafted near to the perivitelline space of the zebrafish embryos and the angiogenic response was analyzed using whole-mount alkaline phosphatase (AP) vessel staining and fluorescence microscopy. Angiogenic activity was scored based on the length and number of the newly formed ectopic vessels and the percentage of embryos with ectopic vessels. At 2 day-post-implantation, we detected a significant increase in the length and number of ectopic vessels with H1299 cell implantation compared to CL13 cell transplantation, both are higher than 3T3-L1 control. We also observed a significantly higher percentage of embryos with ectopic vessels with H1299 and CL13 transplantation compared to the 3T3-L1 control, but this parameter is not as robust and reliable as measuring the length and number of ectopic vessels. Furthermore, the systemic exposure of zebrafish embryos to an anti-angiogenesis drug (PTK 787, inhibitor of vascular endothelial growth factor receptor tyrosine kinase) inhibited tumor-induced angiogenesis, suggesting that the assay can be used to evaluate anti-angiogenic drugs. This study implicates the feasibility of using zebrafish xenotransplantation to perform quantitative measurement of the angiogenic activity of cancer cells which can be further extended to measure cancer cell metastasis. This assay represents not only the useful test for patient diagnosis, but also has the potential for evaluating anti-cancer drugs treatment.
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White WB, Cruz C. Impact of NSAIDs on cardiovascular risk and hypertension. ITALIAN JOURNAL OF MEDICINE 2011. [DOI: 10.1016/j.itjm.2011.04.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Ming ME. The search for a chemoprevention agent effective against melanoma: considerations and challenges. J Invest Dermatol 2011; 131:1401-3. [PMID: 21673707 DOI: 10.1038/jid.2011.83] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Studies examining the potential chemopreventive properties of nonsteroidal anti-inflammatory drugs (NSAIDs) against melanoma report widely varying results. The construction and interpretation of these studies are hampered by many factors, including limited knowledge of the pathogenesis of melanoma, leading to difficulties in determining the relevant factors in the administration of chemopreventive agents and difficulties in assessing long-term use of nonprescription medications. The study by Curiel-Lewandrowski et al. reported in this issue is an important contribution to the literature, but the final verdict regarding the chemopreventive properties of NSAIDs against melanoma is yet to come.
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Affiliation(s)
- Michael E Ming
- Department of Dermatology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA.
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Choi CH, Lee TB, Lee YA, Choi S, Kim KJ. Up-regulation of cyclooxygenase-2-derived prostaglandin E(2) in colon cancer cells resistant to 5-fluorouracil. JOURNAL OF THE KOREAN SURGICAL SOCIETY 2011; 81:115-21. [PMID: 22066110 PMCID: PMC3204563 DOI: 10.4174/jkss.2011.81.2.115] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2011] [Accepted: 05/07/2011] [Indexed: 11/30/2022]
Abstract
PURPOSE It has been suggested that constitutive up-regulation of cyclooxygenase (COX)-2 is associated with resistance to apoptosis, increased angiogenesis, and increased tumor invasiveness in various cancers including colon cancer. There are many factors involved in the resistance to 5-fluorouracil (5-FU) in colon cancer. However, little is known about the role of COX-2 in acquired resistance to 5-FU in colon cancer. METHODS Hence we investigated whether COX-2 contribute to acquired resistance to 5-FU in colon cancer cells, using cytotoxicity assay for cell survival, reverse transcription-polymerase chain reaction (RT-PCR) for vascular endothelial growth factor (VEGF), quantitative RT-PCR for COX-1 and COX-2, and enzyme-linked immunosorbent assay for PGE(2). RESULTS The 5-FU resistant colon cancer cells, SNU-C5/5FUR, showed increased expression of COX-2, prostaglandin E(2) (PGE(2)), and VEGF, compared to its parental cell (SNU-C5). By treatment with meloxicam, the expression of PGE(2) and VEGF was reduced significantly in the resistant cells, but not in the parent cells. CONCLUSION These results demonstrate that COX-2 derived PGE(2) is up-regulated and COX-2 inhibitor may have an anti-angiogenic effect in the colon cancer cells resistant to 5-FU.
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Affiliation(s)
- Cheol Hee Choi
- Research Center for Resistant Cells, Chosun University School of Medicine, Gwangju, Korea
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Sinomenine inhibits proliferation of SGC-7901 gastric adenocarcinoma cells via suppression of cyclooxygenase-2 expression. Oncol Lett 2011; 2:741-745. [PMID: 22848259 DOI: 10.3892/ol.2011.305] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Accepted: 04/26/2011] [Indexed: 12/14/2022] Open
Abstract
Sinomenine (SIN) is a bioactive alkaloid extracted from the Chinese medicinal plant Sinomenium acutum. Results of studies have shown that the anti-inflammatory, immunosuppressive and anti-arthritic effects of SIN are partially attributed to the inhibition of cyclooxygenase-2 (COX-2) expression. COX-2 overexpression is associated with enhanced proliferation and angiogenesis of gastric cancer (GC). SGC-7901 cells were treated with different concentrations of SIN in order to observe its effect on the proliferation of human gastric adenocarcinoma cells and to explore the potential underlying molecular mechanism via the detection of COX-2 expression. Celecoxib was used as the positive control. Morphological alterations of the cells were observed microscopically. Cell proliferation was evaluated using MTT assay. COX-2 expression was detected using semi-quantitative RT-PCR and Western blotting. The results showed that SIN inhibited the proliferation of SGC-7901 cells in a time- and dose-dependent manner. In the presence of SIN or celecoxib, SGC-7901 cells became round and detached morphologically, indicating cell apoptosis. The expression of COX-2 was inhibited by SIN in a dose-dependent manner at both the mRNA and protein levels. Our findings indicate that the protective effects of SIN are mediated through the inhibition of COX-2 expression. These findings suggest a novel therapy to treat inflammation-mediated gastric adenocarcinomata.
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Zhao Q, Wang C, Zhu J, Wang L, Dong S, Zhang G, Tian J. RNAi-mediated knockdown of cyclooxygenase2 inhibits the growth, invasion and migration of SaOS2 human osteosarcoma cells: a case control study. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2011; 30:26. [PMID: 21375766 PMCID: PMC3063192 DOI: 10.1186/1756-9966-30-26] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Accepted: 03/05/2011] [Indexed: 02/04/2023]
Abstract
Background Cyclooxygenase2 (COX-2), one isoform of cyclooxygenase proinflammatory enzymes, is responsible for tumor development, invasion and metastasis. Due to its role and frequent overexpression in a variety of human malignancies, including osteosarcoma, COX-2 has received considerable attention. However, the function of COX-2 in the pathogenesis of cancer is not well understood. We examined the role of COX-2 in osteosarcoma. Methods We employed lentivirus mediated-RNA interference technology to knockdown endogenous gene COX-2 expression in human osteosarcoma cells (SaOS2) and analyzed the phenotypical changes. The effect of COX-2 treatment on the proliferation, cell cycle, invasion and migration of the SaOS2 cells were assessed using the MTT, flow cytometry, invasion and migration assays, respectively. COX-2, vascular endothelial growth factor (VEGF), epidermal growth factor (EGF), basic fibroblast growth factor (bFGF) mRNA and protein expression were detected by RT-PCR and western blotting. Results Our results indicate that a decrease of COX-2 expression in human osteosarcoma cells significantly inhibited the growth, decreased the invasion and migration ability of SaOS2 cells. In addition, it also reduced VEGF, EGF and bFGF mRNA and protein expression. Conclusions The COX-2 signaling pathway may provide a novel therapeutic target for the treatment of human osteosarcoma.
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Affiliation(s)
- Qinghua Zhao
- Department of Orthopaedics, Affiliated First People's Hospital, Shanghai Jiao Tong University, 100 Haining Road, Shanghai 200080, China
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Zhau HE, He H, Wang CY, Zayzafoon M, Morrissey C, Vessella RL, Marshall FF, Chung LWK, Wang R. Human prostate cancer harbors the stem cell properties of bone marrow mesenchymal stem cells. Clin Cancer Res 2011; 17:2159-69. [PMID: 21355075 DOI: 10.1158/1078-0432.ccr-10-2523] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
PURPOSE Prostate tumor cells frequently show the features of osteoblasts, which are differentiated from bone marrow mesenchymal stem cells. We examined human prostate cancer cell lines and clinical prostate cancer specimens for additional bone marrow mesenchymal stem cell properties. EXPERIMENTAL DESIGN Prostate cancer cell lines were induced for osteoblastogenic and adipogenic differentiation, detected by standard staining methods and confirmed by lineage-specific marker expression. Abnormal expression of the markers was then assessed in clinical prostate cancer specimens. RESULTS After osteoblastogenic induction, cells of the LNCaP lineage, PC-3 lineage, and DU145 displayed osteoblastic features. Upon adipogenic induction, PC-3 lineage and DU145 cells differentiated into adipocyte-like cells. The adipocyte-like cancer cells expressed brown adipocyte-specific markers, suggesting differentiation along the brown adipocyte lineage. The adipogenic differentiation was accompanied by growth inhibition, and most of the adipocyte-like cancer cells were committed to apoptotic death. During cyclic treatments with adipogenic differentiation medium and then with control medium, the cancer cells could commit to repeated adipogenic differentiation and retrodifferentiation. In clinical prostate cancer specimens, the expression of uncoupling protein 1 (UCP1), a brown fat-specific marker, was enhanced with the level of expression correlated to disease progression from primary to bone metastatic cancers. CONCLUSIONS This study thus revealed that prostate cancer cells harbor the stem cell properties of bone marrow mesenchymal stem cells. The abnormally expressed adipogenic UCP1 protein may serve as a unique marker, while adipogenic induction can be explored as a differentiation therapy for prostate cancer progression and bone metastasis.
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Affiliation(s)
- Haiyen E Zhau
- Department of Urology and Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, USA
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Marx A, Rieker R, Toker A, Länger F, Ströbel P. Thymic Carcinoma: Is it a Separate Entity? From Molecular to Clinical Evidence. Thorac Surg Clin 2011; 21:25-31. v-vi. [DOI: 10.1016/j.thorsurg.2010.08.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Simile M, Frau M, Pascale R, Feo F. New putative prognostic markers and therapeutic targets for the molecular approach to treatment of hepatocellular carcinoma. ACTA ACUST UNITED AC 2011. [DOI: 10.5455/jeim.310311.ir.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Xu Z, Zhang M, Lv X, Xiang D, Zhang X, Chen L. The inhibitory effect of celecoxib on mouse hepatoma H22 cell line on the arachidonic acid metabolic pathway. Biochem Cell Biol 2010; 88:603-9. [PMID: 20651831 DOI: 10.1139/o09-184] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Celecoxib is a selective inhibitor of cyclooxygenase-2 (COX-2). It may reduce the risk of cancer formation by affecting the metabolism of arachidonic acid (AA), which has been implicated in the development of cancer. Accordingly, this study was designed to determine the effects of celecoxib on the AA pathway in mouse hepatoma H22 cells. Celecoxib was found to inhibit the proliferation of H22 cells in a dose- and time-dependent manner. Low doses (50 and 100 micromol.L-1) of celecoxib caused an increase in the expression of cytosolic phospholipase A2 (cPLA2), but did not affect the expression of COX-2 in terms of the mRNA and protein levels. Surprisingly, the amount of AA was elevated and the level of prostaglandin E2 (PGE2) was unaltered in the culture supernatant. At higher celecoxib doses (200 and 400 micromol.L-1), the mRNA and protein of both COX-2 and cPLA2 were inhibited. The concentration of AA was increased, and PGE2 level was depressed in H22 cells. The ratio of AA to PGE2 was increased in a dose-dependent manner. Our findings suggest that the imbalance between AA and PGE2, characterized by increased AA at a low dosage and decreased PGE2 at a high dosage of celecoxib, was an important indicator of cytotoxicity of celecoxib on H22 cells.
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Affiliation(s)
- Zhigang Xu
- Department of Pharmacology, Norman Bethune College of Medicine, Jilin University, Changchun, Jilin, China
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