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Watanabe M, Toyomura T, Ikegami R, Suwaki Y, Sada M, Wake H, Nishinaka T, Hatipoglu OF, Takahashi H, Nishibori M, Mori S. Nordihydroguaiaretic acid inhibits glyoxalase I, and causes the accumulation of methylglyoxal followed by cell-growth inhibition. Mol Biol Rep 2022; 49:10499-10507. [PMID: 36127524 DOI: 10.1007/s11033-022-07929-6] [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: 07/12/2022] [Revised: 08/25/2022] [Accepted: 09/06/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Methylglyoxal (MGO) is a known toxic byproduct of glycolysis, with MGO-induced cytotoxicity believed to contribute to the pathogenesis of several diseases. Glyoxalase I (GLO1) is a key enzyme for eliminating MGO in mammalian cells, therefore, compounds affecting GLO1 activity are potential therapeutic agents for MGO-induced disorders. Previously, we found nordihydroguaiaretic acid (NDGA) as a potent GLO1 inhibitor. METHODS The inhibitory characteristics of NDGA were determined spectrophotometrically with recombinant GLO1. NDGA-induced growth-inhibition and accumulation of MGO-derived advanced glycation end products (AGEs) were examined in EA.hy926 cells. RESULTS NDGA showed significant inhibition of GLO1 enzymatic activity in a dose-dependent manner. Its Ki value was estimated to be 146-fold lower than that of myricetin, a known GLO1 inhibitor. The co-addition of MGO with NDGA to the cells resulted in significant growth inhibition, suggesting that MGO accumulation, sufficient to affect cell growth, was caused by NDGA inhibiting GLO1. These findings were supported by the observations that the addition of aminoguanidine, a typical MGO scavenger, significantly reversed cell-growth inhibition by co-addition of MGO with NDGA, and that an increase in intracellular MGO-derived AGEs was observed during incubation with the co-addition of MGO with NDGA. CONCLUSION NDGA was found to be a novel and potent inhibitor of GLO1. The co-addition of NDGA with MGO to the cells resulted in increased intracellular MGO accumulation followed by enhanced cell-growth inhibition.
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Affiliation(s)
- Masahiro Watanabe
- Department of Pharmacology, School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-Ku, 703-8516, Okayama, Japan
| | - Takao Toyomura
- Department of Pharmacology, School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-Ku, 703-8516, Okayama, Japan
| | - Ryo Ikegami
- Department of Pharmacology, School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-Ku, 703-8516, Okayama, Japan
| | - Yui Suwaki
- Department of Pharmacology, School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-Ku, 703-8516, Okayama, Japan
| | - Minami Sada
- Department of Pharmacology, School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-Ku, 703-8516, Okayama, Japan
| | - Hidenori Wake
- Department of Pharmacology, Faculty of Medicine, Kindai University, 589-8511, Osaka-Sayama, Japan
| | - Takashi Nishinaka
- Department of Pharmacology, Faculty of Medicine, Kindai University, 589-8511, Osaka-Sayama, Japan
| | - Omer Faruk Hatipoglu
- Department of Pharmacology, Faculty of Medicine, Kindai University, 589-8511, Osaka-Sayama, Japan
| | - Hideo Takahashi
- Department of Pharmacology, Faculty of Medicine, Kindai University, 589-8511, Osaka-Sayama, Japan
| | - Masahiro Nishibori
- Department of Pharmacology, Dentistry, and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 700-8558, Okayama, Japan
| | - Shuji Mori
- Department of Pharmacology, School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-Ku, 703-8516, Okayama, Japan.
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Pharmacological Small Molecules against Prostate Cancer by Enhancing Function of Death Receptor 5. Pharmaceuticals (Basel) 2022; 15:ph15081029. [PMID: 36015177 PMCID: PMC9413322 DOI: 10.3390/ph15081029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/15/2022] [Accepted: 08/19/2022] [Indexed: 02/05/2023] Open
Abstract
Death receptor 5 (DR5) is a membrane protein that mediates exogenous apoptosis. Based on its function, it is considered to be a target for the treatment of cancers including prostate cancer. It is encouraging to note that a number of drugs targeting DR5 are now progressing to different stages of clinical trial studies. We collected 38 active compounds that could produce anti-prostate-cancer effects by modulating DR5, 28 of which were natural compounds and 10 of which were synthetic compounds. In addition, 6 clinically used chemotherapeutic agents have also been shown to promote DR5 expression and thus exert apoptosis-inducing effects in prostate cancer cells. These compounds promote the expression of DR5, thereby enhancing its function in inducing apoptosis. When these compounds were used in combination with the natural ligand of DR5, the number of apoptotic cells was significantly increased. These compounds are all promising for development as anti-prostate-cancer drugs, while most of these compounds are currently being evaluated for their anti-prostate-cancer effects at the cellular level and in animal studies. A great deal of more in-depth research is needed to evaluate whether they can be developed as drugs. We collected literature reports on small molecules against prostate cancer through modulation of DR5 to understand the current dynamics in this field and to evaluate the prospects of small molecules against prostate cancer through modulation of DR5.
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Assessing Nordihydroguaiaretic Acid Therapeutic Effect for Glioblastoma Multiforme. SENSORS 2022; 22:s22072643. [PMID: 35408257 PMCID: PMC9002887 DOI: 10.3390/s22072643] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/22/2022] [Accepted: 03/26/2022] [Indexed: 01/25/2023]
Abstract
In this study, we demonstrate that Raman microscopy combined with computational analysis is a useful approach to discriminating accurately between brain tumor bio-specimens and to identifying structural changes in glioblastoma (GBM) bio-signatures after nordihydroguaiaretic acid (NDGA) administration. NDGA phenolic lignan was selected as a potential therapeutic agent because of its reported beneficial effects in alleviating and inhibiting the formation of multi-organ malignant tumors. The current analysis of NDGA's impact on GBM human cells demonstrates a reduction in the quantity of altered protein content and of reactive oxygen species (ROS)-damaged phenylalanine; results that correlate with the ROS scavenger and anti-oxidant properties of NDGA. A novel outcome presented here is the use of phenylalanine as a biomarker for differentiating between samples and assessing drug efficacy. Treatment with a low NDGA dose shows a decline in abnormal lipid-protein metabolism, which is inferred by the formation of lipid droplets and a decrease in altered protein content. A very high dose results in cell structural and membrane damage that favors transformed protein overexpression. The information gained through this work is of substantial value for understanding NDGA's beneficial as well as detrimental bio-effects as a potential therapeutic drug for brain cancer.
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Macena JC, Renzi DF, Grigoletto DF. Chemical and biological properties of nordihydroguaiaretic acid. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e19517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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5
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Mala John GS, Takeuchi S, Venkatraman G, Rayala SK. Nordihydroguaiaretic Acid in Therapeutics: Beneficial to Toxicity Profiles and the Search for its Analogs. Curr Cancer Drug Targets 2021; 20:86-103. [PMID: 31642411 DOI: 10.2174/1568009619666191022141547] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/26/2019] [Accepted: 08/22/2019] [Indexed: 12/16/2022]
Abstract
Nordihydroguaiaretic acid (NDGA) is a plant lignan obtained from creosote bush, Larrea tridentata and is known to possess antioxidant, anticancer activities and is used in traditional medicine in North America and Mexico. However, its prolonged consumption leads to liver damage and kidney dysfunction. Despite its toxicity and side effects, there is little awareness to forbid its consumption and its use in the treatment of medical ailments has continued over the years. Several reports discuss its therapeutic efficiency and its medical applications have tremendously been on the rise to date. There has been a recent surge of interest in the chemical synthesis of NDGA derivatives for therapeutic applications. NDGA derivatives have been developed as better alternatives to NDGA. Although several NDGA derivatives have been chemically synthesized as evidenced by recent literature, there is a paucity of information on their therapeutic efficacies. This review is to highlight the medicinal applications of NDGA, its toxicity evaluations and discuss the chemical derivatives of NDGA synthesized and studied so far and suggest to continue research interests in the development of NDGA analogs for therapeutic applications. We suggest that NDGA derivatives should be investigated more in terms of chemical synthesis with preferred conformational structures and exploit their biological potentials with future insights to explore in this direction to design and develop structurally modified NDGA derivatives for potential pharmacological properties.
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Affiliation(s)
| | - Satoru Takeuchi
- Factory of Takeuchi Nenshi, TAKENEN, 85NE Takamatsu, Kahoku Ishikawa 929-1215, Japan
| | - Ganesh Venkatraman
- Sri Ramachandra Center for Biomedical Nanotechnology, Sri Ramachandra Institute of Higher Education & Research, Chennai-600116, India
| | - Suresh Kumar Rayala
- Department of Biotechnology, Indian Institute of Technology (IIT), Madras, Chennai-600036, India
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6
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Huang AZ, Delaidelli A, Sorensen PH. RNA modifications in brain tumorigenesis. Acta Neuropathol Commun 2020; 8:64. [PMID: 32375856 PMCID: PMC7204278 DOI: 10.1186/s40478-020-00941-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 04/27/2020] [Indexed: 02/07/2023] Open
Abstract
RNA modifications are emerging as critical regulators in cancer biology, thanks to their ability to influence gene expression and the predominant protein isoforms expressed during cell proliferation, migration, and other pro-oncogenic properties. The reversibility and dynamic nature of post-transcriptional RNA modifications allow cells to quickly adapt to microenvironmental changes. Recent literature has revealed that the deregulation of RNA modifications can promote a plethora of developmental diseases, including tumorigenesis. In this review, we will focus on four key post-transcriptional RNA modifications which have been identified as contributors to the pathogenesis of brain tumors: m6A, alternative polyadenylation, alternative splicing and adenosine to inosine modifications. In addition to the role of RNA modifications in brain tumor progression, we will also discuss potential opportunities to target these processes to improve the dismal prognosis for brain tumors.
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Affiliation(s)
- Albert Z Huang
- Department of Molecular Oncology, British Columbia Cancer Research Centre, Vancouver, BC, V5Z 1L3, Canada
| | - Alberto Delaidelli
- Department of Molecular Oncology, British Columbia Cancer Research Centre, Vancouver, BC, V5Z 1L3, Canada.
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada.
| | - Poul H Sorensen
- Department of Molecular Oncology, British Columbia Cancer Research Centre, Vancouver, BC, V5Z 1L3, Canada.
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada.
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Manda G, Rojo AI, Martínez-Klimova E, Pedraza-Chaverri J, Cuadrado A. Nordihydroguaiaretic Acid: From Herbal Medicine to Clinical Development for Cancer and Chronic Diseases. Front Pharmacol 2020; 11:151. [PMID: 32184727 PMCID: PMC7058590 DOI: 10.3389/fphar.2020.00151] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 02/05/2020] [Indexed: 12/11/2022] Open
Abstract
Nordihydroguaiaretic acid (NDGA) is a phenolic lignan obtained from Larrea tridentata, the creosote bush found in Mexico and USA deserts, that has been used in traditional medicine for the treatment of numerous diseases such as cancer, renal, cardiovascular, immunological, and neurological disorders, and even aging. NDGA presents two catechol rings that confer a very potent antioxidant activity by scavenging oxygen free radicals and this may explain part of its therapeutic action. Additional effects include inhibition of lipoxygenases (LOXs) and activation of signaling pathways that impinge on the transcription factor Nuclear Factor Erythroid 2-related Factor (NRF2). On the other hand, the oxidation of the catechols to the corresponding quinones my elicit alterations in proteins and DNA that raise safety concerns. This review describes the current knowledge on NDGA, its targets and side effects, and its synthetic analogs as promising therapeutic agents, highlighting their mechanism of action and clinical projection towards therapy of neurodegenerative, liver, and kidney disease, as well as cancer.
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Affiliation(s)
- Gina Manda
- Department Cellular and Molecular Medicine, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Ana I Rojo
- Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria la Paz (idiPAZ), Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Madrid, Spain
| | - Elena Martínez-Klimova
- Department of Biology, Faculty of Chemistry, National Autonomous University of Mexico (UNAM), Mexico City, Mexico
| | - José Pedraza-Chaverri
- Department of Biology, Faculty of Chemistry, National Autonomous University of Mexico (UNAM), Mexico City, Mexico
| | - Antonio Cuadrado
- Department Cellular and Molecular Medicine, Victor Babes National Institute of Pathology, Bucharest, Romania.,Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria la Paz (idiPAZ), Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Madrid, Spain
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Natarajan A, Thangarajan R, Kesavan S. Repurposing Drugs by In Silico Methods to Target BCR Kinase Domain in Chronic Myeloid Leukemia. Asian Pac J Cancer Prev 2019; 20:3399-3406. [PMID: 31759365 PMCID: PMC7063026 DOI: 10.31557/apjcp.2019.20.11.3399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Targeted therapy in the form of highly selective tyrosine kinase inhibitors (TKIs) has transformed the treatment of chronic myeloid leukemia (CML). However, mutations in the kinase domain contribute to drug resistance against TKIs which compromises the treatment response. Our aim is to explore regions outside the BCR-ABL oncoprotein to identify potential therapeutic targets to curb drug resistance by targeting growth factor receptor-bound protein-2 (Grb-2) which binds to BCR-ABL at the phosphorylated tyrosine (Y177) thereby activating the Ras and PI3K/AKT signaling pathway. METHODS We have used in silico methods to repurpose drugs for identifying their potential to inhibit the binding of Grb-2 with Y177 by occupying the active binding site of the BCR domain. RESULTS Differentially expressed genes from GEO dataset were found to be associated with hematopoietic cell lineage, NK cell-mediated cytotoxicity, NF-κB and chemokine signaling, cytokine-cytokine receptor interaction, histidine metabolism and transcriptional misregulation in cancer. The fold recognition method of SPARKS-X tool was used to model the BCR domain (Z-score = 8.21). Connectivity Map generated a drug list based on the gene expression profile, which were docked with BCR. Schrodinger XP glide docking identified Diphosphopyridine nucleotide, Hesperidin, Butirosin, Ovoflavin, and Nor-dihydroguaiaretic acid to show strong interaction in close proximity to the active binding pocket containing Y177 of the target protein and was further validated using iGEMDOCK and Parallelized Open Babel and AutoDock suite Pipeline (POAP). CONCLUSION Our study not only extends our current knowledge about repurposing drugs for newer indications but also provides a route towards combinatorial therapy with standard drugs used for CML treatment. However, the efficacy of these repurposed drugs needs to be further investigated using in vitro and in vivo studies.<br />.
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Affiliation(s)
- Aparna Natarajan
- Department of Molecular Oncology, Cancer Institute (WIA), Adyar, Chennai, India
| | | | - Sabitha Kesavan
- Department of Molecular Oncology, Cancer Institute (WIA), Adyar, Chennai, India
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9
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Yeh SJ, Chang CA, Li CW, Wang LHC, Chen BS. Comparing progression molecular mechanisms between lung adenocarcinoma and lung squamous cell carcinoma based on genetic and epigenetic networks: big data mining and genome-wide systems identification. Oncotarget 2019; 10:3760-3806. [PMID: 31217907 PMCID: PMC6557199 DOI: 10.18632/oncotarget.26940] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 04/29/2019] [Indexed: 02/07/2023] Open
Abstract
Non-small-cell lung cancer (NSCLC) is the predominant type of lung cancer in the world. Lung adenocarcinoma (LADC) and lung squamous cell carcinoma (LSCC) are subtypes of NSCLC. We usually regard them as different disease due to their unique molecular characteristics, distinct cells of origin and dissimilar clinical response. However, the differences of genetic and epigenetic progression mechanism between LADC and LSCC are complicated to analyze. Therefore, we applied systems biology approaches and big databases mining to construct genetic and epigenetic networks (GENs) with next-generation sequencing data of LADC and LSCC. In order to obtain the real GENs, system identification and system order detection are conducted on gene regulatory networks (GRNs) and protein-protein interaction networks (PPINs) for each stage of LADC and LSCC. The core GENs were extracted via principal network projection (PNP). Based on the ranking of projection values, we got the core pathways in respect of KEGG pathway. Compared with the core pathways, we found significant differences between microenvironments, dysregulations of miRNAs, epigenetic modifications on certain signaling transduction proteins and target genes in each stage of LADC and LSCC. Finally, we proposed six genetic and epigenetic multiple-molecule drugs to target essential biomarkers in each progression stage of LADC and LSCC, respectively.
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Affiliation(s)
- Shan-Ju Yeh
- Laboratory of Automatic Control, Signaling Processing, and Systems Biology, Department of Electrical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chien-An Chang
- Laboratory of Automatic Control, Signaling Processing, and Systems Biology, Department of Electrical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Cheng-Wei Li
- Laboratory of Automatic Control, Signaling Processing, and Systems Biology, Department of Electrical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Lily Hui-Ching Wang
- Department of Medical Science, Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Bor-Sen Chen
- Laboratory of Automatic Control, Signaling Processing, and Systems Biology, Department of Electrical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan.,Department of Electrical Engineering, Yuan Ze University, Chungli 32003, Taiwan
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Lee WL, Yew PN, Lim YY. Tannic acid-rich porcupine bezoars induce apoptosis and cell cycle arrest in human colon cancer cells. Pharmacogn Mag 2019. [DOI: 10.4103/pm.pm_620_18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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11
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Tewari D, Rawat P, Singh PK. Adverse drug reactions of anticancer drugs derived from natural sources. Food Chem Toxicol 2018; 123:522-535. [PMID: 30471312 DOI: 10.1016/j.fct.2018.11.041] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 09/11/2018] [Accepted: 11/17/2018] [Indexed: 12/20/2022]
Abstract
Cancer, a life threatening disease adversely affects huge population worldwide. Naturally derived drug discovery has emerged as a potential pathway in search of anticancers. Natural products-based drugs are generally considered safe, compared to their synthetic counterparts. A systematic review on adverse drugs reactions (ADRs) of the anticancer natural products has not been performed till date. We reviewed anticancer drugs, derived from plants, microbes and marine sources with their mechanistic action and reported ADRs. PubMed, ScienceDirect and Scopus were searched through Boolean information retrieval method using keywords "natural products", "cancer", "herbal", "marine drugs" and "adverse drug reaction". We documented ADRs of natural products based anticancer agents, mechanisms of action and chemical structures. It was observed that majority of the natural products based anticancer drugs possess ample adverse effects, dominantly hematological toxicities, alopecia, neurotoxicity and cardiotoxicity. These findings deviate from the preconceived notion about safer nature of herbal drugs. We also came across some anti-cancer natural products with less/no reported adverse events like Cabazitaxel and Arglabin. Comprehensive pharmacovigilance studies are needed to report ADRs and thereby predicting safety of anti-cancer drugs, either originated from natural sources or chemically synthesized.
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Affiliation(s)
- Devesh Tewari
- Value Addition Research and Development-Human Health, National Innovation Foundation-India, Autonomous Body of Department of Science and Technology, Govt. of India, Grambharti, Mahudi Road, Gandhinagar, 382650, Gujarat, India
| | - Pooja Rawat
- Value Addition Research and Development-Human Health, National Innovation Foundation-India, Autonomous Body of Department of Science and Technology, Govt. of India, Grambharti, Mahudi Road, Gandhinagar, 382650, Gujarat, India
| | - Pawan Kumar Singh
- Value Addition Research and Development-Human Health, National Innovation Foundation-India, Autonomous Body of Department of Science and Technology, Govt. of India, Grambharti, Mahudi Road, Gandhinagar, 382650, Gujarat, India.
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Li X, Fan S, Pan X, Xiaokaiti Y, Duan J, Shi Y, Pan Y, Tie L, Wang X, Li Y, Li X. Nordihydroguaiaretic acid impairs prostate cancer cell migration and tumor metastasis by suppressing neuropilin 1. Oncotarget 2018; 7:86225-86238. [PMID: 27863391 PMCID: PMC5349909 DOI: 10.18632/oncotarget.13368] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 11/07/2016] [Indexed: 12/25/2022] Open
Abstract
Tumor metastasis is a major cause leading to the deaths of cancer patients. Nordihydroguaiaretic acid (NDGA) is a natural product that has been demonstrated to show therapeutic values in multiple diseases. In this study, we report that NDGA can inhibit cell migration and tumor metastasis via a novel mechanism. NDGA suppresses NRP1 function by downregulating its expression, which leads to attenuated cell motility, cell adhesion to ECM and FAK signaling in cancer cells. Moreover, due to its cross-cell type activity on NRP1 suppression, NDGA also impairs angiogenesis function of endothelial cells and fibronectin assembly by fibroblasts, both of which are critical to promote metastasis. Based on these comprehensive effects, NDGA effectively suppresses tumor metastasis in nude mice model. Our findings reveal a novel mechanism underlying the anti-metastasis function of NDGA and indicate the potential value of NDGA in NRP1 targeting therapy for selected subtypes of cancer.
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Affiliation(s)
- Xin Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Shengjun Fan
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Xueyang Pan
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China.,Current address: University of Minnesota, Twin cities, MN 55455, USA
| | - Yilixiati Xiaokaiti
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Jianhui Duan
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Yundi Shi
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Yan Pan
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Lu Tie
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Xin Wang
- Current address: University of Minnesota, Twin cities, MN 55455, USA
| | - Yuhua Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
| | - Xuejun Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University and Beijing Key Laboratory of Tumor Systems Biology, Peking University, Beijing 100191, China
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Abbas MA, Badran D, Disi A. Effect of nordihydroguaiaretic acid on spermatogenesis and fertility in rats. Andrologia 2017; 50. [DOI: 10.1111/and.12916] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2017] [Indexed: 01/03/2023] Open
Affiliation(s)
- M. A. Abbas
- Department of Pharmacy; Faculty of Pharmacy and Medical Science; Al-Ahliyya Amman University; Amman Jordan
| | - D. Badran
- Department of Anatomy and Histology; Faculty of Medicine; The University of Jordan; Amman Jordan
| | - A. Disi
- Department of basic Pharmaceutical Sciences; Faculty of Pharmacy; Al-Isra Private University; Amman Jordan
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Siddique YH, Ali F. Protective effect of nordihydroguaiaretic acid (NDGA) on the transgenic Drosophila model of Alzheimer's disease. Chem Biol Interact 2017; 269:59-66. [DOI: 10.1016/j.cbi.2017.04.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 03/26/2017] [Accepted: 04/05/2017] [Indexed: 01/07/2023]
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15
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Implications of Resveratrol on Glucose Uptake and Metabolism. Molecules 2017; 22:molecules22030398. [PMID: 28272357 PMCID: PMC6155386 DOI: 10.3390/molecules22030398] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Revised: 02/21/2017] [Accepted: 02/27/2017] [Indexed: 12/14/2022] Open
Abstract
Resveratrol—a polyphenol of natural origin—has been the object of massive research in the past decade because of its potential use in cancer therapy. However, resveratrol has shown an extensive range of cellular targets and effects, which hinders the use of the molecule for medical applications including cancer and type 2 diabetes. Here, we review the latest advances in understanding how resveratrol modulates glucose uptake, regulates cellular metabolism, and how this may be useful to improve current therapies. We discuss challenges and findings regarding the inhibition of glucose uptake by resveratrol and other polyphenols of similar chemical structure. We review alternatives that can be exploited to improve cancer therapies, including the use of other polyphenols, or the combination of resveratrol with other molecules and their impact on glucose homeostasis in cancer and diabetes.
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Choi YS, Jung MY. Kinetic study on the singlet oxygen quenching activity of nordihydroguaiaretic acid (NDGA) using methylene blue sensitized photooxidation of α-terpinene. Food Sci Biotechnol 2016; 25:1333-1336. [PMID: 30263413 PMCID: PMC6049261 DOI: 10.1007/s10068-016-0209-1] [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: 05/28/2016] [Revised: 06/26/2016] [Accepted: 06/26/2016] [Indexed: 10/20/2022] Open
Abstract
Singlet oxygen is highly reactive and can therefore induce rapid oxidation of a range of biological molecules, causing cell damages. The effects of nordihydroguaiaretic acid (NDGA) on the photochemical singlet oxygen oxidation of α-terpinene in methanol were studied. NDGA showed strong protective activity on the singlet oxygen oxidation of α-terpinene in methanol in a dose dependent manner. The protective activity of NDGA was considerably higher than that of butylated hydroxytoluene and 1,4-diazabicyclo[2.2.2]octane. Total singlet oxygen quenching rate constant (k r +k q ) of NDGA was determined by a steady state kinetic equation. The total singlet oxygen quenching rate constant of NDGA was 9.81×107 M-1 sec-1. The result showed that NDGA possessed strong singlet oxygen quenching activity, indicating its potential for the protection of molecules, cells and nutrients from the highly reactive singlet oxygen. To the best of our knowledge, this is the first report on the singlet oxygen quenching rate constant of NDGA.
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Affiliation(s)
- Yun Seo Choi
- Department of Food and Biotechnology, Graduate School, Woosuk University, Wanju, Jeonbuk, 55338 Korea
| | - Mun Yhung Jung
- Department of Food and Biotechnology, Graduate School, Woosuk University, Wanju, Jeonbuk, 55338 Korea
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17
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Leon D, Parada D, Vargas-Uribe M, Perez AA, Ojeda L, Zambrano A, Reyes AM, Salas M. Effect of nordihydroguaiaretic acid on cell viability and glucose transport in human leukemic cell lines. FEBS Open Bio 2016; 6:1000-1007. [PMID: 27761359 PMCID: PMC5055036 DOI: 10.1002/2211-5463.12106] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 07/13/2016] [Accepted: 07/19/2016] [Indexed: 12/22/2022] Open
Abstract
The polyphenol nordihydroguaiaretic acid (NDGA) has antineoplastic properties, hence it is critical to understand its action at the molecular level. Here, we establish that NDGA inhibits glucose uptake and cell viability in leukemic HL‐60 and U‐937 cell lines. We monitored hexose uptake using radio‐labeled 2‐deoxyglucose (2DG) and found that the inhibition by NDGA followed a noncompetitive mechanism. In addition, NDGA blocked hexose transport in human red blood cells and displaced prebound cytochalasin B from erythrocyte ghosts, suggesting a direct interaction with the glucose transporter GLUT1. We propose a model for the mechanism of action of NDGA on glucose uptake. Our study shows for the first time that NDGA can act as inhibitor of the glucose transporter GLUT1.
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Affiliation(s)
- David Leon
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
| | - Daniela Parada
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
| | - Mauricio Vargas-Uribe
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
| | - Alejandra A Perez
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
| | - Lorena Ojeda
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
| | - Angara Zambrano
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
| | - Alejandro M Reyes
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
| | - Mónica Salas
- Facultad de Ciencias Instituto de Bioquímica y Microbiología Universidad Austral de Chile Valdivia Chile
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18
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Lu HL, Chen SS, Hsu WT, Lu YC, Lee CC, Wu TS, Lin ML. Suppression of phospho-p85α-GTP-Rac1 lipid raft interaction by bichalcone analog attenuates cancer cell invasion. Mol Carcinog 2016; 55:2106-2120. [PMID: 26756739 DOI: 10.1002/mc.22455] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 12/03/2015] [Accepted: 12/15/2015] [Indexed: 12/24/2022]
Abstract
The p85α subunit of phosphatidylinositol 3-kinase (PI3K) acts as a key regulator of cell proliferation and motility, which mediates signals that confer chemoresistance to many human cancer cells. Using small interfering RNAs against matrix metalloproteinase-2 (MMP-2) and the MMP-2 promoter-driven luciferase assay, we showed that the new synthetic bichalcone analog TSWU-CD4 inhibits the invasion of human cancer cells by down-regulating MMP-2 expression. Treatment with TSWU-CD4 inhibited MMP-2 expression and cell invasion, which were restored by ectopic wild type (wt) p85α or a constitutively active form of MAPK kinase 3 (CA MKK3), CA MKK6, or CA p38α mitogen-activated protein kinase (MAPK). The attenuated formation of lipid raft-associated phospho (p)-p85α-GTP-Rac1 complexes, protein kinase B (Akt) Ser 473 phosphorylation, and cell invasion by TSWU-CD4 was reversed by overexpression of wt p85α or the p85α Brc-homology (BH) domain. The ectopic expression of CA Rac1L61 (but not wt Rac1) could overcome the suppression of Ser 473 phosphorylation, lipid raft association of Akt, the interaction between GTP-bound Rac1 and p85α in lipid rafts, and cell invasion by TSWU-CD4. The involvement of Akt activity in the functions of NF-κB-mediated MMP-2 was further confirmed through the attenuation of Akt phosphorylation signaling using the Akt-specific inhibitor MK-2206 and ectopic expression of NF-κB p65. Collectively, the inhibitory effect of TSWU-CD4 on cancer cell invasion was likely to suppress the p-p85α-GTP-Rac1 interaction in lipid rafts by targeting the p85α BH domain, which resulted in the suppression of MMP-2 expression via the PI3K-Akt-mediated ERK-MKK3/MKK6-p38 MAPK-NF-κB signaling pathway. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Hui-Li Lu
- Division of Laboratory, Armed Force Taichung General Hospital, Taichung, Taiwan
| | - Shih-Shun Chen
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Wen-Tung Hsu
- Division of Laboratory, Armed Force Taichung General Hospital, Taichung, Taiwan
| | - Yao-Cheng Lu
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Chuan-Chun Lee
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Tian-Shung Wu
- Department of Chemistry, National Cheng Kung University, Tainan, Taiwan
| | - Meng-Liang Lin
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan
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19
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Asiamah I, Hodgson HL, Maloney K, Allen KJH, Krol ES. Ring substitution influences oxidative cyclisation and reactive metabolite formation of nordihydroguaiaretic acid analogues. Bioorg Med Chem 2015; 23:7007-14. [PMID: 26439661 DOI: 10.1016/j.bmc.2015.09.039] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 09/10/2015] [Accepted: 09/22/2015] [Indexed: 01/07/2023]
Abstract
Nordihydroguaiaretic acid (NDGA) is a natural polyphenol with a broad spectrum of pharmacological properties. However, its usefulness is hindered by the lack of understanding of its pharmacological and toxicological pathways. Previously we showed that oxidative cyclisation of NDGA at physiological pH forms a dibenzocyclooctadiene that may have therapeutic benefits whilst oxidation to an ortho-quinone likely mediates toxicological properties. NDGA analogues with higher propensity to cyclise under physiologically relevant conditions might have pharmacological implications, which motivated this study. We synthesized a series of NDGA analogues which were designed to investigate the structural features which influence the intramolecular cyclisation process and help to understand the mechanism of NDGA's autoxidative conversion to a dibenzocyclooctadiene lignan. We determined the ability of the NDGA analogues investigated to form dibenzocyclooctadienes and evaluated the oxidative stability at pH 7.4 of the analogues and the stability of any dibenzocyclooctadienes formed from the NDGA analogues. We found among our group of analogues the catechols were less stable than phenols, a single catechol-substituted ring is insufficient to form a dibenzocyclooctadiene lignan, and only compounds possessing a di-catechol could form dibenzocyclooctadienes. This suggests that quinone formation may not be necessary for cyclisation to occur and the intramolecular cyclisation likely involves a radical-mediated rather than an electrophilic substitution process. We also determined that the catechol dibenzocyclooctadienes autoxidised at comparable rates to the parent catechol. This suggests that assigning in vitro biological activity to the NDGA dibenzocyclooctadiene is premature and requires additional study.
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Affiliation(s)
- Isaac Asiamah
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, 107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada
| | - Heather L Hodgson
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, 107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada
| | - Katherine Maloney
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, 107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada
| | - Kevin J H Allen
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, 107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada
| | - Ed S Krol
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, 107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada.
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20
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Spindler SR, Mote PL, Lublin AL, Flegal JM, Dhahbi JM, Li R. Nordihydroguaiaretic Acid Extends the Lifespan of Drosophila and Mice, Increases Mortality-Related Tumors and Hemorrhagic Diathesis, and Alters Energy Homeostasis in Mice. J Gerontol A Biol Sci Med Sci 2014; 70:1479-89. [PMID: 25380600 PMCID: PMC4631105 DOI: 10.1093/gerona/glu190] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Accepted: 09/15/2014] [Indexed: 12/20/2022] Open
Abstract
Mesonordihydroguaiaretic acid (NDGA) extends murine lifespan. The studies reported here describe its dose dependence, effects on body weight, toxicity-related clinical chemistries, and mortality-related pathologies. In flies, we characterized its effects on lifespan, food consumption, body weight, and locomotion. B6C3F1 mice were fed AIN-93M diet supplemented with 1.5, 2.5, 3.5, or 4.5g NDGA/kg diet (1.59, 2.65, 3.71 and 4.77mg/kg body weight/day) beginning at 12 months of age. Only the 3.5mg/kg diet produced a highly significant increase in lifespan, as judged by either the Mantel–Cox log-rank test (p = .008) or the Gehan–Breslow–Wilcoxon test (p = .009). NDGA did not alter food intake, but dose-responsively reduced weight, suggesting it decreased the absorption or increased the utilization of calories. NDGA significantly increased the incidence of liver, lung, and thymus tumors, and peritoneal hemorrhagic diathesis found at necropsy. However, clinical chemistries found little evidence for overt toxicity. While NDGA was not overtly toxic at its therapeutic dosage, its association with severe end of life pathologies does not support the idea that NDGA consumption will increase human lifespan or health-span. The less toxic derivatives of NDGA which are under development should be explored as anti-aging therapeutics.
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Affiliation(s)
- Stephen R Spindler
- Department of Biochemistry, University of California at Riverside, Riverside, California;
| | - Patricia L Mote
- Department of Biochemistry, University of California at Riverside, Riverside, California
| | - Alex L Lublin
- Department of Biochemistry, University of California at Riverside, Riverside, California
| | - James M Flegal
- Department of Statistics, University of California at Riverside, Riverside, California
| | - Joseph M Dhahbi
- Department of Biochemistry, University of California at Riverside, Riverside, California
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21
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Hernández-Damián J, Andérica-Romero AC, Pedraza-Chaverri J. Paradoxical Cellular Effects and Biological Role of the Multifaceted Compound Nordihydroguaiaretic Acid. Arch Pharm (Weinheim) 2014; 347:685-97. [DOI: 10.1002/ardp.201400159] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 05/29/2014] [Accepted: 06/05/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Jacqueline Hernández-Damián
- Faculty of Chemistry, Department of Biology; National Autonomous University of Mexico (UNAM); University City D.F. Mexico
| | - Ana Cristina Andérica-Romero
- Faculty of Chemistry, Department of Biology; National Autonomous University of Mexico (UNAM); University City D.F. Mexico
| | - José Pedraza-Chaverri
- Faculty of Chemistry, Department of Biology; National Autonomous University of Mexico (UNAM); University City D.F. Mexico
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22
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Abstract
Mitogen-activated protein kinases (MAPKs) mediate a wide variety of cellular behaviors in response to extracellular stimuli. One of the main subgroups, the p38 MAP kinases, has been implicated in a wide range of complex biologic processes, such as cell proliferation, cell differentiation, cell death, cell migration, and invasion. Dysregulation of p38 MAPK levels in patients are associated with advanced stages and short survival in cancer patients (e.g., prostate, breast, bladder, liver, and lung cancer). p38 MAPK plays a dual role as a regulator of cell death, and it can either mediate cell survival or cell death depending not only on the type of stimulus but also in a cell type specific manner. In addition to modulating cell survival, an essential role of p38 MAPK in modulation of cell migration and invasion offers a distinct opportunity to target this pathway with respect to tumor metastasis. The specific function of p38 MAPK appears to depend not only on the cell type but also on the stimuli and/or the isoform that is activated. p38 MAPK signaling pathway is activated in response to diverse stimuli and mediates its function by components downstream of p38. Extrapolation of the knowledge gained from laboratory findings is essential to address the clinical significance of p38 MAPK signaling pathways. The goal of this review is to provide an overview on recent progress made in defining the functions of p38 MAPK pathways with respect to solid tumor biology and generate testable hypothesis with respect to the role of p38 MAPK as an attractive target for intervention of solid tumors.
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Affiliation(s)
- Hari K Koul
- Department of Biochemistry & Molecular Biology, LSU Health Sciences Center, Shreveport, LA, USA ; Feist-Weiller Cancer Center, Shreveport, LA, USA ; Veterans Administration Medical Center, Shreveport, LA, USA
| | - Mantu Pal
- Department of Biochemistry & Molecular Biology, LSU Health Sciences Center, Shreveport, LA, USA ; Veterans Administration Medical Center, Shreveport, LA, USA
| | - Sweaty Koul
- Feist-Weiller Cancer Center, Shreveport, LA, USA ; Department of Urology, LSU Health Sciences Center, Shreveport, LA, USA
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23
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Zhang Y, Xu S, Lin J, Yao G, Han Z, Liang B, Zou Z, Chen Z, Song Q, Dai Y, Gao T, Liu A, Bai X. mTORC1 is a target of nordihydroguaiaretic acid to prevent breast tumor growth in vitro and in vivo. Breast Cancer Res Treat 2012; 136:379-88. [PMID: 23053656 DOI: 10.1007/s10549-012-2270-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 09/20/2012] [Indexed: 11/25/2022]
Abstract
Nordihydroguaiaretic acid (NDGA) is a natural phenolic compound isolated from the creosote bush Larrea divaricata, which has anti-tumor activities both in vitro and in vivo. Its analogs are in clinical development for use in refractory solid tumors. But the mechanisms underlying the anti-cancer effect of NDGA are not fully understood. In this study, we identified mammalian target of rapamycin complex 1 (mTORC1) as a target of NDGA both in cultured breast cancer cells and in xenograft models. NDGA effectively inhibited basal level of mTORC1 but not mTORC2 activity in breast cancer cell lines. NDGA also suppressed mTORC1 downstream signaling such as expression of cyclin D1, hypoxia-inducible factor-α and VEGF, and prevented proliferation in breast cancer cells. Although NDGA stimulated AMP-activated protein kinase (AMPK)/tuberous sclerosis complex 2 (TSC2) signaling, which negatively regulates mTORC1, AMPK and TSC2 deletion could not diminish the inhibition of mTORC1 by NDGA. Subsequent studies revealed that NDGA may also direct target mTORC1 complex because NDGA suppressed amino acids- and insulin-stimulated mTORC1 and acted like rapamycin to disrupt mTOR-Raptor interaction. Most importantly, NDGA repressed breast tumor growth and targeted mTORC1 and its downstream signaling in xenograft models. Together our data provide a novel mechanism for NDGA activity which could help explain its anti-cancer activity. Disruption of mTOR-Raptor complex and activation of AMPK/TSC signaling may contribute to inhibitory effects of NDGA against mTORC1. Our data also raise the possibility that NDGA, as an mTORC1 inhibitor, may have a broad spectrum of action on breast cancers.
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Affiliation(s)
- Yue Zhang
- Department of Cell Biology, Southern Medical University, Guangzhou 510515, China
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24
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McArt DG, Zhang SD. Identification of candidate small-molecule therapeutics to cancer by gene-signature perturbation in connectivity mapping. PLoS One 2011; 6:e16382. [PMID: 21305029 PMCID: PMC3031567 DOI: 10.1371/journal.pone.0016382] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Accepted: 12/14/2010] [Indexed: 01/16/2023] Open
Abstract
Connectivity mapping is a recently developed technique for discovering the underlying connections between different biological states based on gene-expression similarities. The sscMap method has been shown to provide enhanced sensitivity in mapping meaningful connections leading to testable biological hypotheses and in identifying drug candidates with particular pharmacological and/or toxicological properties. Challenges remain, however, as to how to prioritise the large number of discovered connections in an unbiased manner such that the success rate of any following-up investigation can be maximised. We introduce a new concept, gene-signature perturbation, which aims to test whether an identified connection is stable enough against systematic minor changes (perturbation) to the gene-signature. We applied the perturbation method to three independent datasets obtained from the GEO database: acute myeloid leukemia (AML), cervical cancer, and breast cancer treated with letrozole. We demonstrate that the perturbation approach helps to identify meaningful biological connections which suggest the most relevant candidate drugs. In the case of AML, we found that the prevalent compounds were retinoic acids and PPAR activators. For cervical cancer, our results suggested that potential drugs are likely to involve the EGFR pathway; and with the breast cancer dataset, we identified candidates that are involved in prostaglandin inhibition. Thus the gene-signature perturbation approach added real values to the whole connectivity mapping process, allowing for increased specificity in the identification of possible therapeutic candidates.
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Affiliation(s)
- Darragh G. McArt
- Centre for Cancer Research and Cell Biology (CCRCB), Queen's University Belfast, Belfast, United Kingdom
| | - Shu-Dong Zhang
- Centre for Cancer Research and Cell Biology (CCRCB), Queen's University Belfast, Belfast, United Kingdom
- * E-mail:
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25
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Pollara JJ, Laster SM, Petty ITD. Inhibition of poxvirus growth by Terameprocol, a methylated derivative of nordihydroguaiaretic acid. Antiviral Res 2010; 88:287-95. [PMID: 20888364 DOI: 10.1016/j.antiviral.2010.09.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2009] [Revised: 08/05/2010] [Accepted: 09/23/2010] [Indexed: 11/24/2022]
Abstract
Terameprocol (TMP) is a methylated derivative of nordihydroguaiaretic acid, a phenolic antioxidant originally derived from creosote bush extracts. TMP has previously been shown to have antiviral and anti-inflammatory activities, and has been proven safe in phase I clinical trials conducted to evaluate TMP as both a topical and parenteral therapeutic. In the current study, we examined the ability of TMP to inhibit poxvirus growth in vitro, and found that TMP potently inhibited the growth of both cowpox virus and vaccinia virus in a variety of cell lines. TMP treatment was highly effective at reducing infectious virus yield in multi-step virus growth assays, but it did not substantially inhibit the synthesis of infectious progeny viruses in individual infected cells. These contrasting results showed that TMP inhibits poxvirus growth in vitro by preventing the efficient spread of virus particles from cell to cell. The canonical mechanism of poxvirus cell-to-cell spread requires morphogenesis of cell-associated, enveloped virions. The virions then trigger the formation of actin tails to project them from the cell surface. The number of actin tails present at the surface of poxvirus-infected cells was reduced dramatically by treatment with TMP. Whether TMP inhibits poxvirus morphogenesis, or subsequent events required for actin tail formation, remains to be determined. The results of this study, together with the clinical safety record of TMP, support further evaluation of TMP as a poxvirus therapeutic.
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Affiliation(s)
- Justin J Pollara
- North Carolina State University, Department of Microbiology, Raleigh, 27695-7615, United States
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26
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Lü JM, Nurko J, Weakley SM, Jiang J, Kougias P, Lin PH, Yao Q, Chen C. Molecular mechanisms and clinical applications of nordihydroguaiaretic acid (NDGA) and its derivatives: an update. Med Sci Monit 2010; 16:RA93-RA100. [PMID: 20424564 PMCID: PMC2927326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023] Open
Abstract
Creosote bush, Larrea tridentata, is known as chaparral or greasewood in the United States and as gobernadora or hediondilla in Mexico. Nordihydroguaiaretic acid (NDGA), the main metabolite of the creosote bush, has been shown to have promising applications in the treatment of multiple diseases, including cardiovascular diseases, neurological disorders and cancers. Creosote bush is a promising agent of North American herbal medicine, and it has extensive pharmacological effects and specific mechanisms of actions. This review provides an update of recent in vitro and in vivo research about NDGA and describes experimental studies using NDGA as antioxidant. Also, potential medical uses based on the effects of NDGA on the cardiovascular, immune and neurological systems; cancer; tissue engineering; as well as pharmacokinetics and toxicity are discussed.
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Affiliation(s)
- Jian-Ming Lü
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
| | - Jacobo Nurko
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
| | - Sarah M. Weakley
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
| | - Jun Jiang
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
| | - Panagiotis Kougias
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
- Michael E. DeBakey Veteran Affairs Medical Center, Houston, Texas, U.S.A
| | - Peter H. Lin
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
- Michael E. DeBakey Veteran Affairs Medical Center, Houston, Texas, U.S.A
| | - Qizhi Yao
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
- Michael E. DeBakey Veteran Affairs Medical Center, Houston, Texas, U.S.A
| | - Changyi Chen
- Molecular Surgeon Research Center, Division of Vascular Surgery and Endovascular Therapy, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, U.S.A
- Michael E. DeBakey Veteran Affairs Medical Center, Houston, Texas, U.S.A
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27
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Meyers RO, Lambert JD, Hajicek N, Pourpak A, Kalaitzis JA, Dorr RT. Synthesis, characterization, and anti-melanoma activity of tetra-O-substituted analogs of nordihydroguaiaretic acid. Bioorg Med Chem Lett 2009; 19:4752-5. [PMID: 19615898 DOI: 10.1016/j.bmcl.2009.06.063] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2009] [Revised: 06/08/2009] [Accepted: 06/15/2009] [Indexed: 10/20/2022]
Abstract
Synthesis of seven semi-synthetic analogs of NDGA is described. An approach to NDGA derivatization is described in which the ortho-phenolic groups are tethered together by one atom, forming a 5-membered heterocyclic ring. The analogs were evaluated for cytotoxicity in four cancer cell lines and compared to NDGA and tetra-O-methyl-NDGA (M4N) (1a). NDGA bis-cyclic sulfate (2a), NDGA bis-cyclic carbonate (2b), and methylenedioxyphenyl-NDGA (2d) and NDGA tetra acetate (1b) showed anti-cancer activity in vitro. Two compounds, (1b) and (2b), were evaluated for anticancer activity in a mouse xenograft model of human melanoma and showed dose-dependent activity.
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Affiliation(s)
- Ross O Meyers
- University of Arizona Cancer Center, Tucson, AZ 85724, USA.
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28
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Li F, Pham JD, Anderson MO, Youngren JF. Nordihydroguaiaretic acid inhibits transforming growth factor beta type 1 receptor activity and downstream signaling. Eur J Pharmacol 2009; 616:31-7. [PMID: 19540220 DOI: 10.1016/j.ejphar.2009.06.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2009] [Revised: 05/26/2009] [Accepted: 06/08/2009] [Indexed: 12/20/2022]
Abstract
It has been well documented that nordihydroguaiaretic acid (NDGA), a phenolic lignan isolated from the creosote bush, Larrea tridentate, has anti-cancer activity in vitro and in vivo. Several mechanisms have been identified that could contribute to these actions, as NDGA directly inhibits metabolic enzymes and receptor tyrosine kinases that are established anti-cancer targets. In the present study, we show that NDGA inhibits the transforming growth factor beta (TGF-beta) type I receptor, a serine threonine kinase receptor. In cultured cells, NDGA treatment repressed Smad2 phosphorylation induced by TGF-beta treatment and by a constitutively active mutant of TGF-beta type I receptor (T202D). NDGA also inhibited downstream transcriptional activation mediated by both TGF-beta treatment and the constitutively active mutant receptor. In vitro, NDGA inhibited TGF-beta type I receptor mediated Smad2 phosphorylation in crude cell lysates and in a purified preparation. Importantly, screening select analogs demonstrated that modification of NDGA's structure resulted in altered potency against the receptor. These results indicated that the structure of NDGA can be modified to achieve increased potency. Together our data provide a novel mechanism for NDGA activity which could help explain its anti-cancer activity, and suggest that NDGA could serve as a structural motif for developing serine/threonine kinase inhibitors with selectivity for TGF-beta type I receptor.
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Affiliation(s)
- Fusheng Li
- Department of Medicine, University of California, San Francisco, California 94143, USA
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Meyer GE, Chesler L, Liu D, Gable K, Maddux BA, Goldenberg DD, Youngren JF, Goldfine ID, Weiss WA, Matthay KK, Rosenthal SM. Nordihydroguaiaretic acid inhibits insulin-like growth factor signaling, growth, and survival in human neuroblastoma cells. J Cell Biochem 2008; 102:1529-41. [PMID: 17486636 PMCID: PMC3001106 DOI: 10.1002/jcb.21373] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Neuroblastoma is a common pediatric malignancy that metastasizes to the liver, bone, and other organs. Children with metastatic disease have a less than 50% chance of survival with current treatments. Insulin-like growth factors (IGFs) stimulate neuroblastoma growth, survival, and motility, and are expressed by neuroblastoma cells and the tissues they invade. Thus, therapies that disrupt the effects of IGFs on neuroblastoma tumorigenesis may slow disease progression. We show that NVP-AEW541, a specific inhibitor of the IGF-I receptor (IGF-IR), potently inhibits neuroblastoma growth in vitro. Nordihydroguaiaretic acid (NDGA), a phenolic compound isolated from the creosote bush (Larrea divaricata), has anti-tumor properties against a number of malignancies, has been shown to inhibit the phosphorylation and activation of the IGF-IR in breast cancer cells, and is currently in Phase I trials for prostate cancer. In the present study in neuroblastoma, NDGA inhibits IGF-I-mediated activation of the IGF-IR and disrupts activation of ERK and Akt signaling pathways induced by IGF-I. NDGA inhibits growth of neuroblastoma cells and induces apoptosis at higher doses, causing IGF-I-resistant activation of caspase-3 and a large increase in the fraction of sub-G0 cells. In addition, NDGA inhibits the growth of xenografted human neuroblastoma tumors in nude mice. These results indicate that NDGA may be useful in the treatment of neuroblastoma and may function in part via disruption of IGF-IR signaling.
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Affiliation(s)
- Gary E. Meyer
- Department of Pediatrics, University of California, San Francisco, California
| | - Louis Chesler
- Department of Pediatrics, University of California, San Francisco, California
| | - Dandan Liu
- Department of Pediatrics, University of California, San Francisco, California
| | - Karissa Gable
- Diabetes and Endocrine Research, University of California, San Francisco/Mt. Zion Medical Center, San Francisco, California
| | - Betty A. Maddux
- Diabetes and Endocrine Research, University of California, San Francisco/Mt. Zion Medical Center, San Francisco, California
| | - David D. Goldenberg
- Department of Neurology, University of California, San Francisco, California
| | - Jack F. Youngren
- Diabetes and Endocrine Research, University of California, San Francisco/Mt. Zion Medical Center, San Francisco, California
| | - Ira D. Goldfine
- Diabetes and Endocrine Research, University of California, San Francisco/Mt. Zion Medical Center, San Francisco, California
| | - William A. Weiss
- Department of Neurology, University of California, San Francisco, California
| | | | - Stephen M. Rosenthal
- Department of Pediatrics, University of California, San Francisco, California
- Correspondence to: Stephen M. Rosenthal, MD, Division of Endocrinology, Department of Pediatrics, University of California, San Francisco, S672 513 Parnassus Ave., San Francisco, CA 94143.
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Inhibitory effect of Nordy on HPV16 E6 gene in human immortalized endocervical cells. Chin J Cancer Res 2008. [DOI: 10.1007/s11670-008-0001-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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31
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Yoshida T, Shiraishi T, Horinaka M, Nakata S, Yasuda T, Goda AE, Wakada M, Mizutani Y, Miki T, Nishikawa A, Sakai T. Lipoxygenase inhibitors induce death receptor 5/TRAIL-R2 expression and sensitize malignant tumor cells to TRAIL-induced apoptosis. Cancer Sci 2007; 98:1417-23. [PMID: 17645780 PMCID: PMC11159461 DOI: 10.1111/j.1349-7006.2007.00559.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2007] [Revised: 05/26/2007] [Accepted: 05/31/2007] [Indexed: 11/29/2022] Open
Abstract
Lipoxygenases induce malignant tumor progression and lipoxygenase inhibitors have been considered as promising anti-tumor agents. Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is one of the most promising candidates for new cancer therapeutics. Combined treatment with nordihydroguaiaretic acid (NDGA), a lipoxygenase inhibitor, and TRAIL markedly induced apoptosis in Jurkat T-cell leukemia cells at suboptimal concentrations for each agent. The combined treatment efficiently activated caspase-3, -8 and -10, and Bid. The underling mechanism by which NDGA enhanced TRAIL-induced apoptosis was examined. NDGA did not change the expression levels of anti-apoptotic factors, Bcl-x(L), Bcl-2, cIAP-1, XIAP and survivin. The expression of death receptor-related genes was investigated and it was found that NDGA specifically up-regulated the expression of death receptor 5 (DR5) at mRNA and protein levels. Down-regulation of DR5 by small interfering RNA prevented the sensitizing effect of NDGA on TRAIL-induced apoptosis. Furthermore, NDGA sensitized prostate cancer and colorectal cancer cells to TRAIL-induced apoptosis. In contrast, NDGA neither enhanced TRAIL-induced apoptosis nor up-regulated DR5 expression in normal peripheral blood mononuclear cells. Another lipoxygenase inhibitor, AA861, also up-regulated DR5 and sensitized Jurkat and DU145 cells to TRAIL. These results indicate that lipoxygenase inhibitors augment the apoptotic efficiency of TRAIL through DR5 up-regulation in malignant tumor cells, and raise the possibility that the combination of lipoxygenase inhibitor and TRAIL is a promising strategy for malignant tumor treatment.
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Affiliation(s)
- Tatsushi Yoshida
- Department of Molecular-Targeting Cancer Prevention, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
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Chen JH, Yao XH, Gong W, Hu J, Zhou XD, Chen K, Liu H, Ping YF, Wang JM, Bian XW. A novel lipoxygenase inhibitor Nordy attenuates malignant human glioma cell responses to chemotactic and growth stimulating factors. J Neurooncol 2007; 84:223-31. [PMID: 17377739 DOI: 10.1007/s11060-007-9369-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2007] [Accepted: 03/01/2007] [Indexed: 11/25/2022]
Abstract
Nordy is a chiral compound synthesized based on the structure of a natural lipoxygenase (LO) inhibitor nordihydroguaiaretic acid (NDGA) from plants. The aim of the present study is to investigate the effect of Nordy on malignant human glioma cell responses to chemoattractants and growth promoting signals. We found that Nordy, in a non-cytotoxic concentration range, potently inhibited the chemotaxis and calcium flux of a human glioblastoma cell line U87 induced by a formylpeptide receptor (FPR) agonist, formyl-methionyl-leucyl-phenylalanine (fMLF) and epidermal growth factor (EGF). U87 cells treated by Nordy also showed a significantly impaired proliferation and expression of mRNA for vascular endothelial growth factor (VEGF) induced by fMLF. The chemotactic and proliferation responses of Nordy treated U87 cells to EGF were concomitantly diminished. Further experiments revealed that Nordy did not significantly affect FPR gene expression in U87 cells, but attenuated the activation of a plethora of signaling molecules including ERK1/2, p38, JNK, and Akt when the cells were stimulated by fMLF. EGF-induced EGF receptor phosphorylation was also inhibited in Nordy-treated U87 cells. Moreover, Nordy significantly reduced the tumorigenicity of U87 cells in nude mice. Our results suggest that Nordy is capable of inhibiting glioma cell responses to signals that promote cell motility, growth and production of VEGF. Thus, Nordy may constitute a molecular basis for the development of novel anti-cancer drugs.
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Affiliation(s)
- Jian-hong Chen
- Institute of Pathology, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China
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Arasaki K, Tani K, Yoshimori T, Stephens DJ, Tagaya M. Nordihydroguaiaretic acid affects multiple dynein-dynactin functions in interphase and mitotic cells. Mol Pharmacol 2006; 71:454-60. [PMID: 17105871 DOI: 10.1124/mol.106.029611] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Nordihydroguaiaretic acid (NDGA), a well known lipoxygenase inhibitor, actually has pleiotropic effects on cells, which include cell proliferation, apoptosis, differentiation, and chemotaxis. We and others have shown previously that this compound causes Golgi disassembly by an unknown mechanism. In this study, we show that, in parallel with Golgi disassembly, NDGA induces the accumulation of the microtubule minus-end-directed motor dynein-dynactin complex at the centrosome, where microtubules minus-ends lie. Concomitant with this accumulation, dynein-dynactin-interacting proteins, such as ZW10 and EB1, were also redistributed to the centrosomal region. In cells where microtubules were depolymerized by nocodazole, NDGA promoted the formation of filaments consisting of dynein-dynactin and its interacting proteins, suggesting that it stimulates the association of these proteins in an ordered, not random, manner. Loss of dynactin function abolished not only NDGA-induced redistribution in intact cells but also filament formation in nocodazole-treated cells. The latter finding implies that dynactin is a key molecule for the association between dynein-dynactin and its interacting proteins. In mitotic cells, NDGA induced robust accumulation of dyneindynactin and its interacting proteins at the spindle poles. These results taken together suggest that NDGA perturbs membrane traffic by affecting the function of the microtubule motor dynein-dynactin complex and its auxiliary proteins. To our knowledge, NDGA is the first case of a reagent that can modulate dynein-dynactin-related processes.
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Affiliation(s)
- Kohei Arasaki
- School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
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Nieves D, Moreno JJ. Role of 5-lipoxygenase pathway in the regulation of RAW 264.7 macrophage proliferation. Biochem Pharmacol 2006; 72:1022-30. [PMID: 16934759 DOI: 10.1016/j.bcp.2006.07.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2006] [Revised: 07/07/2006] [Accepted: 07/24/2006] [Indexed: 11/19/2022]
Abstract
Arachidonic acid (AA) metabolites control cell proliferation, among other physiologic functions. RAW 264.7 macrophages can metabolise AA through the cyclooxygenase and lipoxygenase (LOX) pathways. We aimed to study the role of AA-metabolites derived from 5-LOX in the control of RAW 264.7 macrophage growth. Our results show that zileuton, a specific 5-LOX inhibitor, and nordihydroguaiaretic acid (NDGA), a non-specific LOX inhibitor, inhibit cell proliferation and [(3)H]-thymidine incorporation in a concentration-dependent fashion. Growth inhibition induced by NDGA can be explained by an apoptotic process, while zileuton does not seem to induce apoptosis. Moreover, these treatments delay the cell cycle, as analysed by flow cytometry. On the other hand, the leukotriene (LT) B(4) receptor antagonist U-75302, the LTD(4) receptor antagonists LY-171883 and MK-571, and the cysteinyl-LT receptor antagonist REV-5901 also inhibit cell proliferation and [(3)H]-thymidine incorporation in a concentration-dependent manner, and delay the RAW 264.7 cell cycle. However, these antagonists did not induce annexin V staining, caspase activation or DNA fragmentation. Furthermore, we demonstrated that exogenous addition of LTB(4) or LTD(4) revert the cell growth inhibition induced by zileuton or the leukotriene receptor antagonists mentioned above. Finally, we observed that LTB(4) and LTD(4), in the absence of growth factors, have pro-proliferative effects on macrophages, and we obtained preliminary evidences that this effect could be through mitogen-activated protein kinase (MAPK) and phosphatidylinositol 3-kinase (PI3K) pathways. In conclusion, our results show that the interaction between LTB(4) and LTD(4) with its respective receptor is involved in the control of RAW 264.7 macrophage growth.
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Affiliation(s)
- Diana Nieves
- Department of Physiology, Faculty of Pharmacy, University of Barcelona, Avda. Joan XXIII s/n, E-08028 Barcelona, Spain
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Zhang L, Zhang WP, Hu H, Wang ML, Sheng WW, Yao HT, Ding W, Chen Z, Wei EQ. Expression patterns of 5-lipoxygenase in human brain with traumatic injury and astrocytoma. Neuropathology 2006; 26:99-106. [PMID: 16708542 DOI: 10.1111/j.1440-1789.2006.00658.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
5-Lipoxygenase (5-LOX) is a key enzyme in the metabolism of arachidonic acid to leukotrienes. The levels of leukotrienes increase after brain injury and when tumors are present. It has been reported that 5-LOX is widely expressed in the brain and that 5-LOX inhibition provides neuroprotection. However, there is still no information available for the expression patterns of 5-LOX in human brain following trauma or with astrocytomas. We investigated its expression patterns by immunohistochemistry. We found that 5-LOX is normally expressed in neurons and glial cells. In neurons, it was expressed in two patterns: in the cytosol and nucleus or only in the cytosol. In traumatic brain injury, 5-LOX expression increased in glial cells and neutrophils. Double-labeling immunohistochemistry showed that part of the 5-LOX-positive glial cells were GFAP positive. No 5-LOX expression was found in brain microvessel endothelia, except in the regenerated endothelia of a patient 8 days following brain trauma. Furthermore, 5-LOX expression increased and showed a granular pattern in high-grade (grade III/IV) astrocytoma. These results indicate that 5-LOX has multiple expression patterns, and can be induced by brain injury, which implies that 5-LOX might have pathophysiological roles in the human brain.
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Affiliation(s)
- Lei Zhang
- Department of Pharmacology, the Second Affiliated Hospital, Zhejiang University, Hangzhou, China
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Youngren JF, Gable K, Penaranda C, Maddux BA, Zavodovskaya M, Lobo M, Campbell M, Kerner J, Goldfine ID. Nordihydroguaiaretic Acid (NDGA) Inhibits the IGF-1 and c-erbB2/HER2/neu Receptors and Suppresses Growth in Breast Cancer Cells. Breast Cancer Res Treat 2005; 94:37-46. [PMID: 16142439 DOI: 10.1007/s10549-005-6939-z] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Nordihydroguaiaretic acid (NDGA) is a phenolic compound isolated from the creosote bush Larrea divaricatta that has anti-cancer activities both in vitro and in vivo. We can now attribute certain of these anti-cancer properties in breast cancer cells to the ability of NDGA to directly inhibit the function of two receptor tyrosine kinases (RTKs), the insulin-like growth factor receptor (IGF-1R) and the c-erbB2/HER2/neu (HER2/neu) receptor. In MCF-7 human breast cancer cells, low micromolar concentrations of NDGA inhibited activation of the IGF-1R, and downstream phosphorylation of both the Akt/PKB serine kinase and the pro-apoptotic protein BAD. In mouse MCNeuA cells, NDGA also inhibited ligand independent phosphorylation of HER2/neu. To study whether this inhibitory effect in cells was due to a direct action on these receptors, we studied the IGF-1-stimulated tyrosine kinase activity of isolated IGF-1R, which was inhibited by NDGA at 10 muM or less. NDGA was also effective at inhibiting autophosphorylation of the isolated HER2/neu receptor at similar concentrations. In addition, NDGA inhibited IGF-1 specific growth of cultured breast cancer cells with an IC50 of approximately 30 muM. NDGA treatment (intraperitoneal injection 3 times per week) also decreased the activity of the IGF-1R and the HER2/neu receptor in MCNeuA cells implanted into mice. This inhibition of RTK activity was associated with decreased growth rates of MCNeuA cells in vivo. These studies indicate that the anti-breast cancer properties of NDGA are related to the inhibition of two important RTKs. Agents of this class may therefore provide new insights into potential therapies for this disease.
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Affiliation(s)
- Jack F Youngren
- Division of Diabetes and Endocrine Research, San Francisco/Mt. Zion Medical Center, University of California, San Francisco, CA 94143-1616, USA.
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Thamilselvan V, Basson MD. The role of the cytoskeleton in differentially regulating pressure-mediated effects on malignant colonocyte focal adhesion signaling and cell adhesion. Carcinogenesis 2005; 26:1687-97. [PMID: 15917311 DOI: 10.1093/carcin/bgi135] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Increased extracellular pressure stimulates colon cancer cell adhesion by activating focal adhesion kinase (FAK) and Src. We investigated the role of the cytoskeleton in pressure-induced inside-out FAK and Src phosphorylation and pressure-stimulated adhesion. We perturbed actin polymerization with phalloidin, cytochalasin D and latrunculin B, and microtubule organization with colchicine and paclitaxol. We compared the effects of these agents on pressure-induced SW620 and human primary colon cancer cell adhesion and inside-out FAK/Src activation with outside-in adhesion-dependent FAK/Src activation. Cells pretreated with cytoskeletal inhibitors were subjected to 15 mmHg increased pressure and allowed to adhere to collagen I coated plates or prevented from adhesion to pacificated plates for 30 min. Phalloidin, cytochalasin D, latrunculin B and colchicine pretreatment completely prevented pressure-stimulated and significantly inhibited basal SW620 cell adhesion. Taxol did not inhibit pressure-induced colon cancer cell adhesion, but significantly lowered basal adhesion. Cytochalasin D and colchicine had similar effects in pressure-stimulated primary human malignant colonocytes. Phalloidin, cytochalasin D, latrunculin B and colchicine prevented pressure-induced SW620 FAK phosphorylation but not Src phosphorylation. FAK phosphorylation in response to collagen I adhesion was significantly attenuated but not completely prevented by these inhibitors. Although Src phosphorylation was not increased on adhesion, the cytoskeleton disrupting agents significantly lowered basal Src phosphorylation in adherent cells. These results suggest that both cytoskeleton-dependent FAK activation and cytoskeleton-independent Src activation may be required for extracellular pressure to stimulate colon cancer cell adhesion. Furthermore, the cytoskeleton plays a different role in pressure-activated FAK and Src signaling than in FAK and Src activation in adherent cells. We, therefore, hypothesize that cytoskeletal interactions with focal adhesion signals mediate the effects of extracellular pressure on colon cancer cell adhesion.
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Affiliation(s)
- Vijayalakshmi Thamilselvan
- Department of Surgery, Wayne State University School of Medicine and John D.Dingell Veterans Affairs Medical Center, 4646 John R. Street, Detroit, MI 48201, USA
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Hashimoto K, Farrow BJ, Evers BM. Activation and role of MAP kinases in 15d-PGJ2-induced apoptosis in the human pancreatic cancer cell line MIA PaCa-2. Pancreas 2004; 28:153-9. [PMID: 15028947 DOI: 10.1097/00006676-200403000-00006] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
AIM We have previously reported that 15-deoxy-delta-prostaglandin J2 (15d-PGJ2), a potent ligand for peroxisome proliferator-activated receptor gamma (PPARgamma), induces caspase-mediated apoptosis in human pancreatic cancer cell lines. Mitogen-activated protein kinases (MAPKs) are known to regulate apoptosis in various cancers. The purpose of this study was to investigate the role of MAPKs (ERK, JNK, and p38) in 15d-PGJ2-induced pancreatic cancer cell apoptosis. METHODOLOGY The effect of 15d-PGJ2 on MAPK activity was investigated by kinase assays using the human pancreatic cancer cell line MIA PaCa-2. Western blot analysis was performed to analyze phosphorylation of MAPKs, activation of caspases and poly ADP-ribose polymerase (PARP) cleavage. Apoptosis was evaluated by caspase-3 enzymatic activity and DNA fragmentation assay. RESULTS 15d-PGJ2 activated all 3 MAPKs in a dose- and time-dependent fashion. SB202190, an inhibitor of p38, prevented 15d-PGJ2-induced activation of caspase-8, -9, and -3 and significantly decreased apoptosis. This effect was potentiated by SP600125, an inhibitor of JNK, although SP600125 alone had no significant effect on 15d-PGJ2-induced apoptosis. In contrast, PD98059, an inhibitor of MEK, significantly increased sensitivity to 15d-PGJ2-induced apoptosis. CONCLUSIONS 15d-PGJ2 stimulates proapoptotic and antiapoptotic MAPK pathways. Sensitivity to 15d-PGJ2-induced apoptosis is increased by ERK inhibition but decreased by inhibition of p38.
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Affiliation(s)
- Koji Hashimoto
- Department of Surgery, The University of Texas Medical Branch, Galveston, Texas, USA
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Bryja V, Sedlácek J, Zahradnícková E, Sevcíková S, Pacherník J, Soucek K, Hofmanová J, Kozubík A, Smarda J. Lipoxygenase inhibitors enhance tumor suppressive effects of Jun proteins on v-myb-transformed monoblasts BM2. Prostaglandins Other Lipid Mediat 2003; 72:131-45. [PMID: 14674625 DOI: 10.1016/s1098-8823(03)00052-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Inhibitors of arachidonic acid (AA) conversion were described as suppressors of proliferation and inducers of differentiation of various leukemic cells. Certain AA metabolites have been shown to cooperate with Jun proteins that are important factors controlling cell proliferation, differentiation and apoptosis. Using lipoxygenase (LOX) inhibitors of various specifity we studied possible participation of lipoxygenase pathway in regulation of proliferation and apoptosis of v-myb-transformed chicken monoblasts BM2 and its functional interaction with Jun proteins. We found that nordihydroguaiaretic acid (NDGA) and esculetin (Esc) negatively regulate proliferation of BM2 cells causing accumulation in either G0/G1-phase (nordihydroguaiaretic acid) or S-phase (esculetin) of the cell cycle. BM2 cells can be also induced to undergo growth arrest and partial differentiation by ectopic expression of Jun proteins. We demonstrated that lipoxygenase inhibitors further enforce tumor suppressive capabilities of Jun proteins by inducing either more efficient cell cycle block and/or apoptosis in BM2 cells. This suggests that there is a cross-talk between the lipoxygenase- and Jun-directed pathways in regulation of differentiation and proliferation of monoblastic cells. Thus pharmacologic agents that specifically block lipoxygenase-catalyzed activity and enforce the effects of differentiation-inducers may be important components in anti-tumor therapies.
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Affiliation(s)
- Vítezslav Bryja
- Department of Genetics and Molecular Biology, Faculty of Science, Masaryk University, Brno CZ-611 37, Czech Republic
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Kennedy TJ, Chan CY, Ding XZ, Adrian TE. Lipoxygenase inhibitors for the treatment of pancreatic cancer. Expert Rev Anticancer Ther 2003; 3:525-36. [PMID: 12934664 DOI: 10.1586/14737140.3.4.525] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Pancreatic cancer has a dismal prognosis with no effective medical therapy. Therefore, there is a need to search for novel targets for cancer prevention and treatment. The lipoxygenases oxygenate arachidonic acid and other 20-carbon fatty acids and their downstream metabolites have been found to mediate several aspects of pancreatic cancer development and growth. Therapeutic agents have been developed against various targets in the lipoxygenase pathways. Many of these were first developed for their anti-inflammatory properties and were subsequently found to have anticancer effects. Such agents include lipoxygenase and 5-lipoxygenase-activating protein inhibitors, leukotriene receptor antagonists and natural products with inhibitory effects on these pathways. Dual lipoxygenase and cyclooxygenase inhibition represents an exciting area of research and drug development.
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Affiliation(s)
- Timothy J Kennedy
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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Iyoda K, Sasaki Y, Horimoto M, Toyama T, Yakushijin T, Sakakibara M, Takehara T, Fujimoto J, Hori M, Wands JR, Hayashi N. Involvement of the p38 mitogen-activated protein kinase cascade in hepatocellular carcinoma. Cancer 2003; 97:3017-26. [PMID: 12784337 DOI: 10.1002/cncr.11425] [Citation(s) in RCA: 124] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND The mitogen-activated protein kinase (MAPK) cascade is activated in response to various extracellular stimuli. The authors investigated the involvement of the p38 MAPK, a member of the MAPK superfamily, cascade in hepatoma cell lines and in human hepatocellular carcinoma (HCC) tissue specimens. METHODS Constitutively active mutant of MAPK kinase 6 (MKK6), which is upstream of p38 MAPK, was transfected into the HepG2 and HuH7 human hepatoma cell lines. The constitutive active mutant was constructed by replacing Ser-189 and Thr-193 with Glu. The growth and death of mutant MKK6-transfected hepatoma cells were analyzed by the WST-1 and sub-G1 assays. The surgically resected livers of 20 HCC patients were divided histologically into tumorous (T) and nontumorous (NT) lesions. p38 MAPK activity was analyzed using in vitro kinase assay and MKK6 activity was measured using Western blot analysis. RESULTS Mutant MKK6 transfection increased p38 MAPK activity, cytochrome c release from the mitochondria to the cytosol, and caspase-3 activity, accompanied by apoptosis. In contrast, SB203580, a p38 MAPK-specific inhibitor, prevented MKK6-induced apoptosis in hepatoma cell lines. In the T lesions of 20 HCC parients, p38 MAPK and MKK6 activities were significantly lower compared with NT lesions (P < 0.05). There was a significant positive correlation between p38 MAPK and MKK6 activity (r = 0.507, P < 0.05). Larger tumors (> 20 mm) exhibited lower levels of p38 MAPK and MKK6 activity than did smaller tumors (P < 0.05). CONCLUSIONS These findings suggested that reduction of the p38 MAPK cascade may account, in part, for the resistance to apoptosis, leading to the unrestricted cell growth of human HCC.
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Affiliation(s)
- Kenya Iyoda
- Department of Molecular Therapeutics, Osaka University Graduate School of Medicine, Osaka, Japan
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Li M, Ren S, Tilli MT, Flaws JA, Lubet R, Grubbs CJ, Furth PA. Chemoprevention of mammary carcinogenesis in a transgenic mouse model by alpha-difluoromethylornithine (DFMO) in the diet is associated with decreased cyclin D1 activity. Oncogene 2003; 22:2568-72. [PMID: 12730671 DOI: 10.1038/sj.onc.1206314] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Mechanisms underlying the chemopreventive effect of difluoromethylornithine (DFMO) on the development of mammary cancer were investigated utilizing the whey acidic protein promoter-T antigen transgenic mouse model of breast cancer progression. Mice were exposed to four different doses of DFMO in the diet (3.5, 4.9, 7.0 and 10 g/kg diet). Tumor latency was increased in a dose-dependent manner. DFMO at the highest dose significantly delayed tumor onset (131 days as compared to 109 days in control unexposed mice, P=0.018). Analyses of preneoplastic mammary tissue collected 1 month after DFMO treatment demonstrated that DFMO (10 g/kg diet) significantly increased the ratio of apoptotic to proliferative indices (P=0.013) and significantly reduced the percentage of cells demonstrating nuclear localized cyclin D1 (P=0.013). Nuclear localizations of p27, p21 and Stat5a were not affected. Inhibitory effects of DFMO on cell growth and survival were lost as the cells progressed to cancer. In conclusion, the chemopreventive effects of DFMO on mammary cancer progression were mediated by changes in both apoptosis and cell proliferation in preneoplastic cells. Alterations in cyclin D1 activity in preneoplastic cells could represent an early biomarker of chemopreventive action and are consistent with a mechanistic role for cyclin D1 in progression of mammary cancer.
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Affiliation(s)
- Minglin Li
- Department of Oncology, Lombardi Cancer Center, Georgetown University, Washington, DC 20057, USA
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