1
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Oto J, Fernández-Pardo Á, Roca M, Plana E, Cana F, Herranz R, Pérez-Ardavín J, Vera-Donoso CD, Martínez-Sarmiento M, Medina P. LC-MS metabolomics of urine reveals distinct profiles for non-muscle-invasive and muscle-invasive bladder cancer. World J Urol 2022; 40:2387-2398. [PMID: 36057894 DOI: 10.1007/s00345-022-04136-7] [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: 04/21/2022] [Accepted: 08/11/2022] [Indexed: 12/01/2022] Open
Abstract
PURPOSE Bladder cancer (BC) is among the most frequent malignancies worldwide. Novel non-invasive markers are needed to diagnose and stage BC with more accuracy than invasive procedures like cystoscopy. To date, no study has identified urine metabolites characteristic of all BC stages. To discover novel urine metabolomic profiles to diagnose and stage non-muscle-invasive (NMIBC) and muscle-invasive (MIBC) patients using mass spectrometry-based metabolomics. METHODS We prospectively recruited 198 BC patients and 98 age- and sex-matched healthy volunteers without evidence of renal or bladder condition confirmed by ultrasound, from whom we collected a first morning urine sample (before surgery in patients). In a discovery stage, an untargeted metabolomic analysis was conducted in urine samples of a selection of 64 BC patients (19 TaG1, 11 TaG3, 20 T1G3, 12 T2G3, 1 T2G2, 1 T3G3) and 20 controls to identify dysregulated metabolites. Next, after exhaustive multivariate analysis, confirmed dysregulated metabolites were validated in an independent cohort of 134 BC patients (19 TaG1, 62 TaG2, 9 TaG3, 15 T1G2, 16 T1G3, 4 T2G2, 9 T2G3) and 78 controls. RESULTS We validated p-cresol glucuronide as potential diagnostic biomarker for BC patients compared to controls (AUC = 0.79). For NMIBC, p-cresol glucuronide was valuable as staging biomarker (AUC = 0.803). And among NMIBCs, p-coumaric acid may be a potential specific staging biomarker for the TaG1 NMIBC; however, future validation experiments should be conducted once the precise version of the standard is commercially available. Remarkably, for MIBC we validated spermine as potential specific staging biomarker (AUC = 0.882). CONCLUSION Ours is the first metabolomics study conducted in urine of a thoroughly characterized cohort comprising all stages of NMIBC, MIBC and healthy controls in which we identified non-invasive diagnostic and staging biomarkers. These may improve BC management, thus reducing the use of current harmful diagnostic techniques.
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Affiliation(s)
- Julia Oto
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - Álvaro Fernández-Pardo
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - Marta Roca
- Analytical Unit Platform, Medical Research Institute Hospital La Fe, Valencia, Spain
| | - Emma Plana
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain.,Angiology and Vascular Surgery Service, La Fe University and Polytechnic Hospital, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - Fernando Cana
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - Raquel Herranz
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - Javier Pérez-Ardavín
- Urology Service, La Fe University and Polytechnic Hospital, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - César David Vera-Donoso
- Urology Service, La Fe University and Polytechnic Hospital, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - Manuel Martínez-Sarmiento
- Urology Service, La Fe University and Polytechnic Hospital, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain
| | - Pilar Medina
- Haemostasis, Thrombosis, Arteriosclerosis and Vascular Biology Research Group, Medical Research Institute Hospital La Fe, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain. .,IIS La Fe-Hospital Universitario y Politécnico La Fe, Torre A, 5ª Planta, Lab. 5-09, Av. Fernando Abril Martorell 106, 46026, Valencia, Spain.
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2
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Stewart TM, Foley JR, Holbert CE, Klinke G, Poschet G, Steimbach RR, Miller AK, Casero RA. Histone deacetylase 10 liberates spermidine to support polyamine homeostasis and tumor cell growth. J Biol Chem 2022; 298:102407. [PMID: 35988653 PMCID: PMC9486564 DOI: 10.1016/j.jbc.2022.102407] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 11/18/2022] Open
Abstract
Cytosolic histone deacetylase-10 (HDAC10) specifically deacetylates the modified polyamine N8-acetylspermidine (N8-AcSpd). Although intracellular concentrations of N8-AcSpd are low, extracellular sources can be abundant, particularly in the colonic lumen. Extracellular polyamines, including those from the diet and microbiota, can support tumor growth both locally and at distant sites. However, the contribution of N8-AcSpd in this context is unknown. We hypothesized that HDAC10, by converting N8- AcSpd to spermidine, may provide a source of this growth-supporting polyamine in circumstances of reduced polyamine biosynthesis, such as in polyamine-targeting anticancer therapies. Inhibitors of polyamine biosynthesis, including α-difluoromethylornithine (DFMO), inhibit tumor growth, but compensatory uptake of extracellular polyamines has limited their clinical success. Combining DFMO with inhibitors of polyamine uptake have improved the antitumor response. However, acetylated polyamines may use different transport machinery than the parent molecules. Here, we use CRISPR/Cas9-mediated HDAC10-knockout cell lines and HDAC10-specific inhibitors to investigate the contribution of HDAC10 in maintaining tumor cell proliferation. We demonstrate inhibition of cell growth by DFMO-associated polyamine depletion is successfully rescued by exogenous N8-AcSpd (at physiological concentrations), which is converted to spermidine and spermine, only in cell lines with HDAC10 activity. Furthermore, we show loss of HDAC10 prevents both restoration of polyamine levels and growth rescue, implicating HDAC10 in supporting polyamine-associated tumor growth. These data suggest the utility of HDAC10-specific inhibitors as an antitumor strategy that may have value in improving the response to polyamine-blocking therapies. Additionally, the cell-based assay developed in this study provides an inexpensive, high-throughput method of screening potentially selective HDAC10 inhibitors.
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Affiliation(s)
- Tracy Murray Stewart
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
| | - Jackson R Foley
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Cassandra E Holbert
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Glynis Klinke
- Metabolomics Core Technology Platform, Center for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Gernot Poschet
- Metabolomics Core Technology Platform, Center for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Raphael R Steimbach
- Biosciences Faculty, Heidelberg University, Heidelberg, Germany; Cancer Drug Development, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Aubry K Miller
- Cancer Drug Development, German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Robert A Casero
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
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3
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Holbert CE, Cullen MT, Casero RA, Stewart TM. Polyamines in cancer: integrating organismal metabolism and antitumour immunity. Nat Rev Cancer 2022; 22:467-480. [PMID: 35477776 PMCID: PMC9339478 DOI: 10.1038/s41568-022-00473-2] [Citation(s) in RCA: 96] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/21/2022] [Indexed: 12/20/2022]
Abstract
The natural mammalian polyamines putrescine, spermidine and spermine are essential for both normal and neoplastic cell function and replication. Dysregulation of metabolism of polyamines and their requirements is common in many cancers. Both clinical and experimental depletion of polyamines have demonstrated their metabolism to be a rational target for therapy; however, the mechanisms through which polyamines can establish a tumour-permissive microenvironment are only now emerging. Recent data indicate that polyamines can play a major role in regulating the antitumour immune response, thus likely contributing to the existence of immunologically 'cold' tumours that do not respond to immune checkpoint blockade. Additionally, the interplay between the microbiota and associated tissues creates a tumour microenvironment in which polyamine metabolism, content and function can all be dramatically altered on the basis of microbiota composition, dietary polyamine availability and tissue response to its surrounding microenvironment. The goal of this Perspective is to introduce the reader to the many ways in which polyamines, polyamine metabolism, the microbiota and the diet interconnect to establish a tumour microenvironment that facilitates the initiation and progression of cancer. It also details ways in which polyamine metabolism and function can be successfully targeted for therapeutic benefit, including specifically enhancing the antitumour immune response.
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Affiliation(s)
- Cassandra E Holbert
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | | | - Robert A Casero
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, MD, USA.
| | - Tracy Murray Stewart
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, MD, USA.
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4
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Li QZ, Zuo ZW, Zhou ZR, Ji Y. Polyamine homeostasis-based strategies for cancer: The role of combination regimens. Eur J Pharmacol 2021; 910:174456. [PMID: 34464603 DOI: 10.1016/j.ejphar.2021.174456] [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: 06/04/2021] [Revised: 08/14/2021] [Accepted: 08/26/2021] [Indexed: 01/07/2023]
Abstract
Spermine, spermidine and putrescine polyamines are naturally occurring ubiquitous positively charged amines and are essential metabolites for biological functions in our life. These compounds play a crucial role in many cell processes, including cellular proliferation, growth, and differentiation. Intracellular levels of polyamines depend on their biosynthesis, transport and degradation. Polyamine levels are high in cancer cells, which leads to the promotion of tumor growth, invasion and metastasis. Targeting polyamine metabolism as an anticancer strategy is considerably rational. Due to compensatory mechanisms, a single strategy does not achieve satisfactory clinical effects when using a single agent. Combination regimens are more clinically promising for cancer chemoprevention because they work synergistically with causing little or no adverse effects due to each individual agent being used at lower doses. Moreover, bioactive substances have advantages over single chemical agents because they can affect multiple targets. In this review, we discuss anticancer strategies targeting polyamine metabolism and describe how combination treatments and effective natural active ingredients are promising therapies. The existing research suggests that polyamine metabolic enzymes are important therapeutic targets and that combination therapies can be more effective than monotherapies based on polyamine depletion.
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Affiliation(s)
- Qi-Zhang Li
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Industrial Fermentation (Ministry of Education), Institute of Biomedical and Pharmaceutical Sciences, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, Hubei, 430068, PR China.
| | - Zan-Wen Zuo
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Industrial Fermentation (Ministry of Education), Institute of Biomedical and Pharmaceutical Sciences, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, Hubei, 430068, PR China
| | - Ze-Rong Zhou
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Industrial Fermentation (Ministry of Education), Institute of Biomedical and Pharmaceutical Sciences, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, Hubei, 430068, PR China
| | - Yan Ji
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Industrial Fermentation (Ministry of Education), Institute of Biomedical and Pharmaceutical Sciences, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, Hubei, 430068, PR China
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5
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Alhosin M, Razvi SSI, Sheikh RA, Khan JA, Zamzami MA, Choudhry H. Thymoquinone and Difluoromethylornithine (DFMO) Synergistically Induce Apoptosis of Human Acute T Lymphoblastic Leukemia Jurkat Cells Through the Modulation of Epigenetic Pathways. Technol Cancer Res Treat 2020; 19:1533033820947489. [PMID: 32912061 PMCID: PMC7488875 DOI: 10.1177/1533033820947489] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Thymoquinone (TQ), a natural anticancer agent exerts cytotoxic effects on several tumors by targeting multiple pathways, including apoptosis. Difluoromethylornithine (DFMO), an irreversible inhibitor of the ornithine decarboxylase (ODC) enzyme, has shown promising inhibitory activities in many cancers including leukemia by decreasing the biosynthesis of the intracellular polyamines. The present study aimed to investigate the combinatorial cytotoxic effects of TQ and DFMO on human acute T lymphoblastic leukemia Jurkat cells and to determine the underlying mechanisms. Here, we show that the combination of DFMO and TQ significantly reduced cell viability and resulted in significant synergistic effects on apoptosis when compared to either DFMO or TQ alone. RNA-sequencing showed that many key epigenetic players including Ubiquitin-like containing PHD and Ring finger 1 (UHRF1) and its 2 partners DNA methyltransferase 1 (DNMT1) and histone deacetylase 1 (HDAC1) were down-regulated in DFMO-treated Jurkat cells. The combination of DFMO and TQ dramatically decreased the expression of UHRF1, DNMT1 and HDAC1 genes compared to either DFMO or TQ alone. UHRF1 knockdown led to a decrease in Jurkat cell viability. In conclusion, these results suggest that the combination of DFMO and TQ could be a promising new strategy for the treatment of human acute T lymphoblastic leukemia by targeting the epigenetic code.
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Affiliation(s)
- Mahmoud Alhosin
- Department of Biochemistry, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer Metabolism and Epigenetic Unit, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia
| | - Syed Shoeb I Razvi
- Department of Biochemistry, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia.,Math and Science Department, 441417Community College of Qatar, Doha, Qatar
| | - Ryan A Sheikh
- Department of Biochemistry, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jalaluddin A Khan
- Department of Biochemistry, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mazin A Zamzami
- Department of Biochemistry, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer Metabolism and Epigenetic Unit, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hani Choudhry
- Department of Biochemistry, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer Metabolism and Epigenetic Unit, Faculty of Science, 37848King Abdulaziz University, Jeddah, Saudi Arabia
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6
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Massaro C, Thomas J, Ikhlef H, Dinara S, Cronk S, Moots H, Phanstiel O. Serendipitous Discovery of Leucine and Methionine Depletion Agents during the Search for Polyamine Transport Inhibitors. J Med Chem 2020; 63:2814-2832. [PMID: 32069402 DOI: 10.1021/acs.jmedchem.9b00568] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Targeting polyamine metabolism is a proven anticancer strategy. Cancers often escape the polyamine biosynthesis inhibitors by increased polyamine import. Therefore, there is much interest in identifying polyamine transport inhibitors (PTIs) to be used in combination therapies. In a search for new PTIs, we serendipitously discovered a LAT-1 efflux agonist, which induces intracellular depletion of methionine, leucine, spermidine, and spermine, but not putrescine. Because S-adenosylmethioninamine is made from methionine, a loss of intracellular methionine leads to an inability to biosynthesize spermidine, and spermine. Importantly, we found that this methionine-depletion approach to polyamine depletion could not be rescued by exogenous polyamines, thereby obviating the need for a PTI. Using 3H-leucine (the gold standard for LAT-1 transport studies) and JPH-203 (a specific LAT-1 inhibitor), we showed that the efflux agonist did not inhibit the uptake of extracellular leucine but instead facilitated the efflux of intracellular leucine pools.
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Affiliation(s)
- Chelsea Massaro
- College of Medicine, University of Central Florida 12722 Research Parkway Orlando, Florida 32827, United States
| | - Jenna Thomas
- College of Medicine, University of Central Florida 12722 Research Parkway Orlando, Florida 32827, United States
| | - Houssine Ikhlef
- College of Medicine, University of Central Florida 12722 Research Parkway Orlando, Florida 32827, United States
| | - Sharifa Dinara
- College of Medicine, University of Central Florida 12722 Research Parkway Orlando, Florida 32827, United States
| | - Sara Cronk
- College of Medicine, University of Central Florida 12722 Research Parkway Orlando, Florida 32827, United States
| | - Holly Moots
- College of Medicine, University of Central Florida 12722 Research Parkway Orlando, Florida 32827, United States
| | - Otto Phanstiel
- College of Medicine, University of Central Florida 12722 Research Parkway Orlando, Florida 32827, United States
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7
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Polyamine Metabolism as a Therapeutic Target inHedgehog-Driven Basal Cell Carcinomaand Medulloblastoma. Cells 2019; 8:cells8020150. [PMID: 30754726 PMCID: PMC6406590 DOI: 10.3390/cells8020150] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/06/2019] [Accepted: 02/08/2019] [Indexed: 02/06/2023] Open
Abstract
Hedgehog (Hh) signaling is a critical developmental regulator and its aberrant activation,due to somatic or germline mutations of genes encoding pathway components, causes Basal CellCarcinoma (BCC) and medulloblastoma (MB). A growing effort has been devoted at theidentification of druggable vulnerabilities of the Hedgehog signaling, leading to the identificationof various compounds with variable efficacy and/or safety. Emerging evidence shows that anaberrant polyamine metabolism is a hallmark of Hh-dependent tumors and that itspharmacological inhibition elicits relevant therapeutic effects in clinical or preclinical models ofBCC and MB. We discuss here the current knowledge of polyamine metabolism, its role in cancerand the available targeting strategies. We review the literature about the connection betweenpolyamines and the Hedgehog signaling, and the potential therapeutic benefit of targetingpolyamine metabolism in two malignancies where Hh pathways play a well-established role: BCCand MB.
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8
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Razvi SS, Choudhry H, Hasan MN, Hassan MA, Moselhy SS, Abualnaja KO, Zamzami MA, Kumosani TA, Al-Malki AL, Halwani MA, Ibrahim A, Hamiche A, Bronner C, Asami T, Alhosin M. Identification of Deregulated Signaling Pathways in Jurkat Cells in Response to a Novel Acylspermidine Analogue-N 4-Erucoyl Spermidine. Epigenet Insights 2018; 11:2516865718814543. [PMID: 30515476 PMCID: PMC6262497 DOI: 10.1177/2516865718814543] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 10/29/2018] [Indexed: 12/25/2022] Open
Abstract
Natural polyamines such as putrescine, spermidine, and spermine are crucial in the cell proliferation and maintenance in all the eukaryotes. However, the requirement of polyamines in tumor cells is stepped up to maintain tumorigenicity. Many synthetic polyamine analogues have been designed recently to target the polyamine metabolism in tumors to induce apoptosis. N4-Erucoyl spermidine (designed as N4-Eru), a novel acylspermidine derivative, has been shown to exert selective inhibitory effects on both hematological and solid tumors, but its mechanisms of action are unknown. In this study, RNA sequencing was performed to investigate the anticancer mechanisms of N4-Eru-treated T-cell acute lymphoblastic leukemia (ALL) cell line (Jurkat cells), and gene expression was examined through different tools. We could show that many key oncogenes including NDRG1, CACNA1G, TGFBR2, NOTCH1,2,3, UHRF1, DNMT1,3, HDAC1,3, KDM3A, KDM4B, KDM4C, FOS, and SATB1 were downregulated, whereas several tumor suppressor genes such as CDKN2AIPNL, KISS1, DDIT3, TP53I13, PPARG, FOXP1 were upregulated. Data obtained through RNA-Seq further showed that N4-Eru inhibited the NOTCH/Wnt/JAK-STAT axis. This study also indicated that N4-Eru-induced apoptosis could involve several key signaling pathways in cancer. Altogether, our results suggest that N4-Eru is a promising drug to treat ALL.
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Affiliation(s)
- Syed Shoeb Razvi
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hani Choudhry
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer Metabolism and Epigenetic Unit, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer and Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Nihal Hasan
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed A Hassan
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Basic Medical Sciences, College of Medicine and Health Sciences, Hadhramout University, Mukalla, Yemen
| | - Said Salama Moselhy
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Bioactive Natural Products Research Group, King Abdulaziz University, Jeddah, Saudi Arabia.,Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Khalid Omer Abualnaja
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Bioactive Natural Products Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mazin A Zamzami
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer Metabolism and Epigenetic Unit, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer and Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Taha Abduallah Kumosani
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Production of Bioproducts for Industrial Applications Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdulrahman Labeed Al-Malki
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Bioactive Natural Products Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Majed A Halwani
- Nanomedicine Department, King Abdullah International Medical Research Center (KAIMRC), King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Abdulkhaleg Ibrahim
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), INSERM U1258 CNRS UMR 7104, Université de Strasbourg, Illkirch, France
| | - Ali Hamiche
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), INSERM U1258 CNRS UMR 7104, Université de Strasbourg, Illkirch, France
| | - Christian Bronner
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), INSERM U1258 CNRS UMR 7104, Université de Strasbourg, Illkirch, France
| | - Tadao Asami
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Mahmoud Alhosin
- Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer Metabolism and Epigenetic Unit, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.,Cancer and Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
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9
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Abstract
Advances in our understanding of the metabolism and molecular functions of polyamines and their alterations in cancer have led to resurgence in the interest of targeting polyamine metabolism as an anticancer strategy. Increasing knowledge of the interplay between polyamine metabolism and other cancer-driving pathways, including the PTEN-PI3K-mTOR complex 1 (mTORC1), WNT signalling and RAS pathways, suggests potential combination therapies that will have considerable clinical promise. Additionally, an expanding number of promising clinical trials with agents targeting polyamines for both therapy and prevention are ongoing. New insights into molecular mechanisms linking dysregulated polyamine catabolism and carcinogenesis suggest additional strategies that can be used for cancer prevention in at-risk individuals. In addition, polyamine blocking therapy, a strategy that combines the inhibition of polyamine biosynthesis with the simultaneous blockade of polyamine transport, can be more effective than therapies based on polyamine depletion alone and may involve an antitumour immune response. These findings open up new avenues of research into exploiting aberrant polyamine metabolism for anticancer therapy.
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Affiliation(s)
- Robert A Casero
- Department of Oncology, Johns Hopkins University School of Medicine and the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, USA.
| | - Tracy Murray Stewart
- Department of Oncology, Johns Hopkins University School of Medicine and the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, USA
| | - Anthony E Pegg
- Department of Cellular and Molecular Physiology, Pennsylvania State University College of Medicine, Hershey, PA, USA
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10
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Bae DH, Lane DJR, Jansson PJ, Richardson DR. The old and new biochemistry of polyamines. Biochim Biophys Acta Gen Subj 2018; 1862:2053-2068. [PMID: 29890242 DOI: 10.1016/j.bbagen.2018.06.004] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/02/2018] [Accepted: 06/04/2018] [Indexed: 10/14/2022]
Abstract
Polyamines are ubiquitous positively charged amines found in all organisms. These molecules play a crucial role in many biological functions including cell growth, gene regulation and differentiation. The three major polyamines produced in all mammalian cells are putrescine, spermidine and spermine. The intracellular levels of these polyamines depend on the interplay of the biosynthetic and catabolic enzymes of the polyamine and methionine salvage pathway, as well as the involvement of polyamine transporters. Polyamine levels are observed to be high in cancer cells, which contributes to malignant transformation, cell proliferation and poor patient prognosis. Considering the critical roles of polyamines in cancer cell proliferation, numerous anti-polyaminergic compounds have been developed as anti-tumor agents, which seek to suppress polyamine levels by specifically inhibiting polyamine biosynthesis, activating polyamine catabolism, or blocking polyamine transporters. However, in terms of the development of effective anti-cancer therapeutics targeting the polyamine system, these efforts have unfortunately resulted in little success. Recently, several studies using the iron chelators, O-trensox and ICL670A (Deferasirox), have demonstrated a decline in both iron and polyamine levels. Since iron levels are also high in cancer cells, and like polyamines, are required for proliferation, these latter findings suggest a biochemically integrated link between iron and polyamine metabolism.
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Affiliation(s)
- Dong-Hun Bae
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Darius J R Lane
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, Kenneth Myer Building, The University of Melbourne, Parkville, Victoria 3052, Australia.
| | - Patric J Jansson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia
| | - Des R Richardson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The Medical Foundation Building (K25), University of Sydney, Sydney, New South Wales 2006, Australia; Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan.
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11
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Arruabarrena-Aristorena A, Zabala-Letona A, Carracedo A. Oil for the cancer engine: The cross-talk between oncogenic signaling and polyamine metabolism. SCIENCE ADVANCES 2018; 4:eaar2606. [PMID: 29376126 PMCID: PMC5783676 DOI: 10.1126/sciadv.aar2606] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 12/28/2017] [Indexed: 05/09/2023]
Abstract
The study of metabolism has provided remarkable information about the biological basis and therapeutic weaknesses of cancer cells. Classic biochemistry established the importance of metabolic alterations in tumor biology and revealed the importance of various metabolite families to the tumorigenic process. We have evidence of the central role of polyamines, small polycatonic metabolites, in cell proliferation and cancer growth from these studies. However, how cancer cells activate this metabolic pathway and the molecular cues behind the oncogenic action of polyamines has remained largely obscure. In contrast to the view of metabolites as fuel (anabolic intermediates) for cancer cells, polyamines are better defined as the oil that lubricates the cancer engine because they affect the activity of biological processes. Modern research has brought back to the limelight this metabolic pathway, providing a strong link between genetic, metabolic, and signaling events in cancer. In this review, we enumerate and discuss current views of the regulation and activity of polyamine metabolism in tumor cell biology.
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Affiliation(s)
| | - Amaia Zabala-Letona
- CIC bioGUNE, Bizkaia Technology Park, 801A Building, 48160 Derio, Bizkaia, Spain
- CIBERONC Centro de Investigación Biomédica en Red de Cáncer, Avenida Monforte de Lemos, Madrid, Spain
| | - Arkaitz Carracedo
- CIC bioGUNE, Bizkaia Technology Park, 801A Building, 48160 Derio, Bizkaia, Spain
- CIBERONC Centro de Investigación Biomédica en Red de Cáncer, Avenida Monforte de Lemos, Madrid, Spain
- Ikerbasque, Basque Foundation for Science, 48011 Bilbao, Spain
- Biochemistry and Molecular Biology Department, University of the Basque Country (UPV/EHU), P.O. Box 644, E-48080 Bilbao, Spain
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12
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Phanstiel O. An overview of polyamine metabolism in pancreatic ductal adenocarcinoma. Int J Cancer 2017; 142:1968-1976. [PMID: 29134652 DOI: 10.1002/ijc.31155] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 10/19/2017] [Accepted: 11/06/2017] [Indexed: 12/11/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest major cancers, with a five year survival rate of less than 8%. With current therapies only giving rise to modest life extension, new approaches are desperately needed. Even though targeting polyamine metabolism is a proven anticancer strategy, there are no reports, which thoroughly survey the literature describing the role of polyamine biosynthesis and transport in PDAC. This review seeks to fill this void by describing what is currently known about polyamine metabolism in PDAC and identifies new targets and opportunities to treat this disease. Due to the pleiotropic effects that polyamines play in cells, this review covers diverse areas ranging from polyamine metabolism (biosynthesis, catabolism and transport), as well as the potential role of polyamines in desmoplasia, autophagy and immune privilege. Understanding these diverse roles provides the opportunity to design new therapies to treat this deadly cancer via polyamine depletion.
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Affiliation(s)
- Otto Phanstiel
- Department of Medical Education, College of Medicine, University of Central Florida, Orlando, FL
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13
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Hussain T, Tan B, Ren W, Rahu N, Dad R, Kalhoro DH, Yin Y. Polyamines: therapeutic perspectives in oxidative stress and inflammatory diseases. Amino Acids 2017; 49:1457-1468. [PMID: 28733904 DOI: 10.1007/s00726-017-2447-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 06/01/2017] [Indexed: 11/29/2022]
Abstract
Polyamines are naturally occurring aliphatic compounds, particularly essential elements for biological functions. These compounds play a central role in regulating molecular pathways which are responsible for cellular proliferation, growth, and differentiation. Importantly, excessive polyamine catabolism can lead to a prominent source of oxidative stress which increases inflammatory response and thought to be involved in several diseases including stroke, renal failure, neurological disease, liver disease, and even cancer. Moreover, polyamine supplementation increases life span in model organisms and may encounter oxidative stress via exerting its potential anti-oxidant and anti-inflammatory properties. The revealed literature indicates that an emerging role of polyamine biosynthetic pathway could be a novel target for drug development against inflammatory diseases. In this review, we expand the knowledge on the metabolism of polyamines, and its anti-oxidant and anti-inflammatory activities which might have future implications against inflammatory diseases in humans and animals.
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Affiliation(s)
- Tarique Hussain
- National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, People's Republic of China.,University of the Chinese Academy of Sciences, Beijing, 10008, People's Republic of China
| | - Bie Tan
- National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, People's Republic of China.
| | - Wenkai Ren
- National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, People's Republic of China.,University of the Chinese Academy of Sciences, Beijing, 10008, People's Republic of China
| | - Najma Rahu
- Department of Veterinary Microbiology, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tandojam, 70050, Sindh, Pakistan
| | - Rahim Dad
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Dildar Hussain Kalhoro
- Department of Veterinary Microbiology, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tandojam, 70050, Sindh, Pakistan
| | - Yulong Yin
- National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, People's Republic of China.
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14
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Vong KKH, Tsubokura K, Nakao Y, Tanei T, Noguchi S, Kitazume S, Taniguchi N, Tanaka K. Cancer cell targeting driven by selective polyamine reactivity with glycine propargyl esters. Chem Commun (Camb) 2017; 53:8403-8406. [DOI: 10.1039/c7cc01934c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Glycine propargyl ester reactivity shows evidence for selective polyamine reactivity, leading to a new strategy for cancer cell targeting.
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Affiliation(s)
| | - Kazuki Tsubokura
- Biofunctional Synthetic Chemistry Laboratory
- RIKEN
- Saitama
- Japan
- School of Advanced Science and Engineering
| | - Yoichi Nakao
- School of Advanced Science and Engineering
- Department of Chemistry and Biochemistry
- Waseda University
- Tokyo
- Japan
| | - Tomonori Tanei
- Department of Breast and Endocrine Surgery
- Graduate School of Medicine
- Osaka University
- Osaka
- Japan
| | - Shinzaburo Noguchi
- Department of Breast and Endocrine Surgery
- Graduate School of Medicine
- Osaka University
- Osaka
- Japan
| | - Shinobu Kitazume
- Disease Glycomics Team
- Global Research Cluster
- RIKEN-Max Planck Joint Research Center for Systems Chemical Biology
- RIKEN
- Saitama
| | - Naoyuki Taniguchi
- Disease Glycomics Team
- Global Research Cluster
- RIKEN-Max Planck Joint Research Center for Systems Chemical Biology
- RIKEN
- Saitama
| | - Katsunori Tanaka
- Biofunctional Synthetic Chemistry Laboratory
- RIKEN
- Saitama
- Japan
- Biofunctional Chemistry Laboratory
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15
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Triethylenetetramine modulates polyamine and energy metabolism and inhibits cancer cell proliferation. Biochem J 2016; 473:1433-41. [DOI: 10.1042/bcj20160134] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 03/21/2016] [Indexed: 11/17/2022]
Abstract
Copper chelators show anticancer effects by preventing neo-angiogenesis. In the present study, we show that triethylenetetramine (TETA) is a multi-targeting drug, which modulates several key regulatory proteins of polyamine metabolism that contributes to its anticancer effect.
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16
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Nowotarski SL, Feith DJ, Shantz LM. Skin Carcinogenesis Studies Using Mouse Models with Altered Polyamines. CANCER GROWTH AND METASTASIS 2015; 8:17-27. [PMID: 26380554 PMCID: PMC4558889 DOI: 10.4137/cgm.s21219] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 06/30/2015] [Accepted: 07/01/2015] [Indexed: 12/16/2022]
Abstract
Nonmelanoma skin cancer (NMSC) is a major health concern worldwide. With increasing numbers in high-risk groups such as organ transplant recipients and patients taking photosensitizing medications, the incidence of NMSC continues to rise. Mouse models of NMSC allow us to better understand the molecular signaling cascades involved in skin tumor development in order to identify novel therapeutic strategies. Here we review the models designed to determine the role of the polyamines in NMSC development and maintenance. Elevated polyamines are absolutely required for tumor growth, and dysregulation of their biosynthetic and catabolic enzymes has been observed in NMSC. Studies using mice with genetic alterations in epidermal polyamines suggest that they play key roles in tumor promotion and epithelial cell survival pathways, and recent clinical trials indicate that pharmacological inhibitors of polyamine metabolism show promise in individuals at high risk for NMSC.
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Affiliation(s)
- Shannon L Nowotarski
- Department of Biochemistry, The Pennsylvania State University Berks College, Reading, PA, USA
| | - David J Feith
- University of Virginia Cancer Center and Department of Medicine, Hematology and Oncology, University of Virginia, Charlottesville, VA, USA
| | - Lisa M Shantz
- Department of Cellular and Molecular Physiology, The Pennsylvania State University College of Medicine, Hershey, PA, USA
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Muth A, Madan M, Archer JJ, Ocampo N, Rodriguez L, Phanstiel O. Polyamine transport inhibitors: design, synthesis, and combination therapies with difluoromethylornithine. J Med Chem 2014; 57:348-63. [PMID: 24405276 DOI: 10.1021/jm401174a] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The development of polyamine transport inhibitors (PTIs), in combination with the polyamine biosynthesis inhibitor difluoromethylornithine (DFMO), provides a method to target cancers with high polyamine requirements. The DFMO+PTI combination therapy results in sustained intracellular polyamine depletion and cell death. A series of substituted benzene derivatives were evaluated for their ability to inhibit the import of spermidine in DFMO-treated Chinese hamster ovary (CHO) and L3.6pl human pancreatic cancer cells. Several design features were discovered which strongly influenced PTI potency, sensitivity to amine oxidases, and cytotoxicity. These included changes in (a) the number of polyamine chains appended to the ring system, (b) the polyamine sequence, (c) the attachment linkage of the polyamine to the aryl core, and (d) the presence of a terminal N-methyl group. Of the series tested, the optimal design was N(1),N(1'),N(1″)-(benzene-1,3,5-triyltris(methylene))tris(N(4)-(4-(methylamino)butyl)butane-1,4-diamine, 6b, which contained three N-methylhomospermidine motifs. This PTI exhibited decreased sensitivity to amine oxidases and low toxicity as well as high potency (EC50 = 1.4 μM) in inhibiting the uptake of spermidine (1 μM) in DFMO-treated L3.6pl human pancreatic cancer cells.
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Affiliation(s)
- Aaron Muth
- Department of Chemistry, University of Central Florida , 4000 Central Florida Boulevard, Orlando, Florida 32816-2366, United States
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18
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Samal K, Zhao P, Kendzicky A, Yco LP, McClung H, Gerner E, Burns M, Bachmann AS, Sholler G. AMXT-1501, a novel polyamine transport inhibitor, synergizes with DFMO in inhibiting neuroblastoma cell proliferation by targeting both ornithine decarboxylase and polyamine transport. Int J Cancer 2013; 133:1323-33. [PMID: 23457004 DOI: 10.1002/ijc.28139] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 02/08/2013] [Accepted: 02/14/2013] [Indexed: 11/11/2022]
Abstract
Neuroblastoma (NB) is associated with MYCN oncogene amplification occurring in approximately 30% of NBs and is associated with poor prognosis. MYCN is linked to a number of genes including ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis. ODC expression is elevated in many forms of cancer including NB. Alpha-difluoromethylornithine (DFMO), an ODC inhibitor, is currently being used in a Phase I clinical trial for treatment of NB. However, cancer cells treated with DFMO may overcome their polyamine depletion by the uptake of polyamines from extracellular sources. A novel polyamine transport inhibitor, AMXT-1501, has not yet been tested in NB. We propose that inhibiting ODC with DFMO, coupled with polyamine transport inhibition by AMXT-1501 will result in enhanced NB growth inhibition. Single and combination drug treatments were conducted on three NB cell lines. DFMO IC50 values ranged from 20.76 to 33.3 mM, and AMXT-1501 IC50 values ranged from 14.13 to 17.72 µM in NB. The combination treatment resulted in hypophosphorylation of retinoblastoma protein (Rb), suggesting growth inhibition via G1 cell cycle arrest. Increased expression of cleaved PARP and cleaved caspase 3 in combination-treated cells starting at 48 hr suggested apoptosis. The combination treatment depleted intracellular polyamine pools and decreased intracellular ATP, further verifying growth inhibition. Given the current lack of effective therapies for patients with relapsed/refractory NB and the preclinical effectiveness of DFMO with AMXT-1501, this combination treatment provides promising preclinical results. DFMO and AMXT-1501 may be a potential new therapy for children with NB.
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Affiliation(s)
- Katherine Samal
- Center for Translational Medicine, Van Andel Research Institute, Grand Rapids, Michigan 49503, USA
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19
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Gamble LD, Hogarty MD, Liu X, Ziegler DS, Marshall G, Norris MD, Haber M. Polyamine pathway inhibition as a novel therapeutic approach to treating neuroblastoma. Front Oncol 2012. [PMID: 23181218 PMCID: PMC3499881 DOI: 10.3389/fonc.2012.00162] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Polyamines are highly regulated essential cations that are elevated in rapidly proliferating tissues, including diverse cancers. Expression analyses in neuroblastomas suggest that up-regulation of polyamine pro-synthetic enzymes and down-regulation of catabolic enzymes is associated with poor prognosis. Polyamine sufficiency may be required for MYCN oncogenicity in MYCN amplified neuroblastoma, and targeting polyamine homeostasis may therefore provide an attractive therapeutic approach. ODC1, an oncogenic MYCN target, is rate-limiting for polyamine synthesis, and is overexpressed in many cancers including neuroblastoma. Inhibition of ODC1 by difluoromethylornithine (DFMO) decreased tumor penetrance in TH-MYCN mice treated pre-emptively, and extended survival and synergized with chemotherapy in treating established tumors in both TH-MYCN and xenograft models. Efforts to augment DFMO activity, or otherwise maximally reduce polyamine levels, are focused on antagonizing polyamine uptake or augmenting polyamine export or catabolism. Since polyamine inhibition appears to be clinically well tolerated, these approaches, particularly when combined with chemotherapy, have great potential for improving neuroblastoma outcome in both MYCN amplified and non-MYCN amplified neuroblastomas.
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Affiliation(s)
- Laura D Gamble
- Children's Cancer Institute Australia for Medical Research, Lowy Cancer Research Centre Sydney, NSW, Australia
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20
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Xie S, Wang J, Zhang Y, Wang C. Antitumor conjugates with polyamine vectors and their molecular mechanisms. Expert Opin Drug Deliv 2010; 7:1049-61. [DOI: 10.1517/17425247.2010.504205] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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21
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Takao K, Sugita Y, Shirahata A. Evaluation method for polyamine uptake by N 1-dansylspermine. Amino Acids 2009; 38:533-9. [DOI: 10.1007/s00726-009-0414-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2009] [Accepted: 10/20/2009] [Indexed: 11/28/2022]
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22
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Polyamine transport as a target for treatment of Pneumocystis pneumonia. Antimicrob Agents Chemother 2009; 53:5259-64. [PMID: 19805570 DOI: 10.1128/aac.00662-09] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Polyamine levels are greatly increased in alveolar macrophages (AMs) during Pneumocystis pneumonia (PCP), leading to increased production of H(2)O(2), which causes AMs to undergo apoptosis. One of the mechanisms by which polyamine levels in AMs are elevated is enhanced uptake of exogenous polyamines. In this study, the possibility of targeting polyamine uptake as a treatment for PCP was examined. Four anthracene- and one benzene-polyamine conjugates that are potential polyamine transport inhibitors, including N1-anthracen-9-ylmethyl-butane-1,4-diamine; N-(4-aminobutyl)-N-anthracen-9-ylmethylbutane-1,4-diamine; N-[4-(4-aminobutylamino)butyl]-N-anthracen-9-ylmethylbutane-1,4-diamine; N-(4-amino-butyl)-N'-(10-[[4-(4-amino-butylamino)butylamino]-methyl]anthracen-9-ylmethyl)butane-1,4-diamine (44-Ant-44); and benzene-polyamine conjugate N-(4-amino-butyl)-N'-(4-[[4-(4-amino-butylamino)butylamino]-methyl]benzyl)butane-1,4-diamine (44-Bn-44), were tested. Compounds 44-Ant-44 and 44-Bn-44 were found to have a very low toxicity to AMs in vitro and were evaluated for their therapeutic effect on PCP in vivo. Sprague-Dawley rats infected with P. carinii for 28 days were intranasally instilled with 50 microl of a 1 mM solution of 44-Bn-44 or 44-Ant-44 every 2 days. Twenty-one days after initiation of the treatment, three to five rats from each group were sacrificed and examined for lung pathology, organism burden, and apoptosis of AMs. Both 44-Bn-44 and 44-Ant-44 reduced organism burdens; however, only 44-Ant-44 decreased the severity of the infection with reduced lung inflammation, increased clearance of exudates, increased air space, and decreased apoptosis of AMs. 44-Ant-44 also significantly prolonged the survival of treated animals. These results suggest that polyamine uptake is a potential target for treatment of PCP.
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23
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Evageliou NF, Hogarty MD. Disrupting polyamine homeostasis as a therapeutic strategy for neuroblastoma. Clin Cancer Res 2009; 15:5956-61. [PMID: 19789308 DOI: 10.1158/1078-0432.ccr-08-3213] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
MYC genes are deregulated in a plurality of human cancers. Through direct and indirect mechanisms, the MYC network regulates the expression of > 15% of the human genome, including both protein-coding and noncoding RNAs. This complexity has complicated efforts to define the principal pathways mediating MYC's oncogenic activity. MYC plays a central role in providing for the bioenergetic and biomass needs of proliferating cells, and polyamines are essential cell constituents supporting many of these functions. The rate-limiting enzyme in polyamine biosynthesis, ODC, is a bona fide MYC target, as are other regulatory enzymes in this pathway. A wealth of data link enhanced polyamine biosynthesis to cancer progression, and polyamine depletion may limit the malignant transformation of preneoplastic lesions. Studies with transgenic cancer models also support the finding that the effect of MYC on tumor initiation and progression can be attenuated through the repression of polyamine production. High-risk neuroblastomas (an often lethal embryonal tumor in which MYC activation is paramount) deregulate numerous polyamine enzymes to promote the expansion of intracellular polyamine pools. Selective inhibition of key enzymes in this pathway, e.g., using DFMO and/or SAM486, reduces tumorigenesis and synergizes with chemotherapy to regress tumors in preclinical models. Here, we review the potential clinical application of these and additional polyamine depletion agents to neuroblastoma and other advanced cancers in which MYC is operative.
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Affiliation(s)
- Nicholas F Evageliou
- Division of Oncology, The Children's Hospital of Philadelphia and Department of Pediatrics, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-4318, USA
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24
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Casero RA, Woster PM. Recent advances in the development of polyamine analogues as antitumor agents. J Med Chem 2009; 52:4551-73. [PMID: 19534534 DOI: 10.1021/jm900187v] [Citation(s) in RCA: 130] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Robert A Casero
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland 21231, USA
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25
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Daigle ND, Carpentier GA, Frenette-Cotton R, Simard MG, Lefoll MH, Noël M, Caron L, Noël J, Isenring P. Molecular characterization of a human cation-Cl−cotransporter (SLC12A8A, CCC9A) that promotes polyamine and amino acid transport. J Cell Physiol 2009; 220:680-9. [DOI: 10.1002/jcp.21814] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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26
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Synergistic antitumor effects of anthracenylmethyl homospermidine and alpha-difluoromethylornithine on promyelocytic leukemia HL60 cells. Toxicol In Vitro 2008; 22:352-8. [DOI: 10.1016/j.tiv.2007.09.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2007] [Revised: 09/17/2007] [Accepted: 09/26/2007] [Indexed: 11/17/2022]
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27
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Isome M, Lortie MJ, Murakami Y, Parisi E, Matsufuji S, Satriano J. The antiproliferative effects of agmatine correlate with the rate of cellular proliferation. Am J Physiol Cell Physiol 2007; 293:C705-11. [PMID: 17475661 DOI: 10.1152/ajpcell.00084.2007] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Polyamines are small cationic molecules required for cellular proliferation. Agmatine is a biogenic amine unique in its capacity to arrest proliferation in cell lines by depleting intracellular polyamine levels. We previously demonstrated that agmatine enters mammalian cells via the polyamine transport system. As polyamine transport is positively correlated with the rate of cellular proliferation, the current study examines the antiproliferative effects of agmatine on cells with varying proliferative kinetics. Herein, we evaluate agmatine transport, intracellular accumulation, and its effects on antizyme expression and cellular proliferation in nontransformed cell lines and their transformed variants. H-ras- and Src-transformed murine NIH/3T3 cells (Ras/3T3 and Src/3T3, respectively) that were exposed to exogenous agmatine exhibit increased uptake and intracellular accumulation relative to the parental NIH/3T3 cell line. Similar increases were obtained for human primary foreskin fibroblasts relative to a human fibrosarcoma cell line, HT1080. Agmatine increases expression of antizyme, a protein that inhibits polyamine biosynthesis and transport. Ras/3T3 and Src/3T3 cells demonstrated augmented increases in antizyme protein expression relative to NIH/3T3 in response to agmatine. All transformed cell lines were significantly more sensitive to the antiproliferative effects of agmatine than nontransformed lines. These effects were attenuated in the presence of exogenous polyamines or inhibitors of polyamine transport. In conclusion, the antiproliferative effects of agmatine preferentially target transformed cell lines due to the increased agmatine uptake exhibited by cells with short cycling times.
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Affiliation(s)
- Masato Isome
- University of California San Diego and Veterans Affairs San Diego Healthcare System, Division of Nephrology-Hypertension, San Diego, CA 92161, USA
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28
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Petros LM, Graminski GF, Robinson S, Burns MR, Kisiel N, Gesteland RF, Atkins JF, Kramer DL, Howard MT, Weeks RS. Polyamine Analogs with Xylene Rings Induce Antizyme Frameshifting, Reduce ODC Activity, and Deplete Cellular Polyamines. ACTA ACUST UNITED AC 2006; 140:657-66. [PMID: 16998202 DOI: 10.1093/jb/mvj193] [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] [Indexed: 11/14/2022]
Abstract
Numerous studies have correlated elevated polyamine levels with abnormal or rapid cell growth. One therapeutic strategy to treat diseases with increased cellular proliferation rates, most obviously cancer, has been to identify compounds which lower cellular polyamine levels. An ideal target for this strategy is the protein antizyme-a negative regulator of polyamine biosynthesis and import, and a positive regulator of polyamine export. In this study, we have optimized two tissue-culture assays in 96-well format, to allow the rapid screening of a 750-member polyamine analog library for compounds which induce antizyme frameshifting and fail to substitute for the natural polyamines in growth. Five analogs (MQTPA1-5) containing xylene (1,4-dimethyl benzene) were found to be equal to or better than spermidine at stimulating antizyme frameshifting and were inefficient at rescuing cell growth following polyamine depletion. These compounds were further characterized for effects on natural polyamine levels and enzymes involved in polyamine metabolism. Finally, direct measurements of antizyme induction in cells treated with two of the lead compounds revealed an 8- to 15-fold increase in antizyme protein over untreated cells. The impact of the xylene moiety and the distance between the positively charged amino groups on antizyme frameshifting and cell growth are discussed.
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Affiliation(s)
- Lorin M Petros
- Department of Human Genetics, University of Utah, 15 N 2030 E, Rm 7410, Salt Lake City, UT 84112-5330, USA.
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29
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Tian H, Li L, Liu XX, Zhang Y. Antitumor effect of antisense ornithine decarboxylase adenovirus on human lung cancer cells. Acta Biochim Biophys Sin (Shanghai) 2006; 38:410-6. [PMID: 16761099 DOI: 10.1111/j.1745-7270.2006.00176.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Ornithine decarboxylase (ODC), the first enzyme of polyamine biosynthesis, was found to increase in cancer cells, especially lung cancer cells. Some chemotherapeutic agents aimed at decreasing ODC gene expression showed inhibitory effects on cancer cells. In this study, we examined the effects of adenoviral transduced antisense ODC on lung cancer cells. An adenovirus carrying antisense ODC (rAd-ODC/Ex3as) was used to infect lung cancer cell line A-549. The 3-(4,5-methylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide assay was used to analyze the effect on cell growth. Expression of ODC and concentration of polyamines in cells were determined by Western blot analysis and high performance liquid chromatography. Terminal deoxynucleotidyl transferase-mediated biotin-dUTP nick-end labeling was used to analyze cell apoptosis. The expression of ODC in A-549 cells was reduced to 54%, and that of three polyamines was also decreased through the rAd-ODC/Ex3as treatment. Consequently, cell growth was substantially inhibited and terminal deoxynucleotidyl transferase-mediated biotin-dUTP nick-end labeling showed that rAd-ODC/Ex3as could lead to cell apoptosis, with apoptosis index of 46%. This study suggests that rAd-ODC/Ex3as has an antitumor effect on the human lung cancer cells.
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Affiliation(s)
- Hui Tian
- Department of Thoracic Surgery, Shandong University Qi Lu Hospital, Jinan 250012, China. tianhuiy@ sohu.com
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30
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Nishimura K, Yanase T, Araki N, Ohnishi Y, Kozaki S, Shima K, Asakura M, Samosomsuk W, Yamasaki S. EFFECTS OF POLYAMINES ON TWO STRAINS OF TRYPANOSOMA BRUCEI IN INFECTED RATS AND IN VITRO CULTURE. J Parasitol 2006; 92:211-7. [PMID: 16729674 DOI: 10.1645/ge-633r.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
We studied the effects of polyamines, which are necessary for proliferation and antioxidation in Trypanosoma brucei gambiense Wellcome strain (WS) and Trypanosoma brucei brucei ILtat 1.4 strain (IL). No difference was found in activity of ornithine decarboxylase (ODC), a key enzyme in polyamine synthesis in trypanosomes, in both strains maintained in vitro; higher (P < 0.05) ODC values were found in IL in vivo. However, WS in vivo exhibited higher proliferation rates with higher spermidine content and decreased host survival times than IL. The in vitro proliferation and polyamine contents of WS increased with the addition of polyamine to the 1-difluoromethylornithine culture medium, but not IL. These results suggested that WS uses extracellular polyamine for proliferation. In the in vitro culture, WS was less tolerant of hydrogen peroxide (oxidative stress) than IL, and malondialdehyde levels in WS were higher than in IL. The expression of trypanothione synthetase mRNA in WS in vitro was higher than in IL. These results suggest that IL is dependent on the synthesis of polyamines for proliferation and reduction of oxidative stress, whereas WS is dependent on the uptake of extracellular polyamines. A thorough understanding of the differences in the metabolic capabilities of various trypanosomes is important for the design of more effective medical treatments.
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Affiliation(s)
- Kazuhiko Nishimura
- Course of Veterinary Science, Graduate School Life and Environmental Sciences, Osaka Prefecture University 1-1, Gakuencho, Sakai, Osaka 599-8531, Japan.
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31
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Delcros JG, Tomasi S, Duhieu S, Foucault M, Martin B, Le Roch M, Eifler-Lima V, Renault J, Uriac P. Effect of Polyamine Homologation on the Transport and Biological Properties of Heterocyclic Amidines. J Med Chem 2005; 49:232-45. [PMID: 16392808 DOI: 10.1021/jm050018q] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Five sets of heterocyclic derivatives of various sizes and complexities coupled by an amidine function to putrescine, spermidine, or spermine were prepared. They were essentially tested to determine the influence of the polyamine chain on their cellular transport. To comment on affinity and on selective transport via the polyamine transport system (PTS), K(i) values for polyamine uptake were determined in L1210 cells, and the cytotoxicity and accumulation of the conjugates were determined in CHO and polyamine transport-deficient mutant CHO-MG cells, as well as in L1210 and alpha-difluoromethylornithine- (DFMO-) treated L1210 cells. Unlike spermine, putrescine and spermidine were clearly identified as selective motifs that enable cellular entry via the PTS. However, this property was clearly limited by the size of substituents: these polyamines were able to ferry a dihydroquinoline system via the PTS but did not impart any selectivity to bulkier substituents.
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Affiliation(s)
- Jean-Guy Delcros
- Groupe de Recherche en Thérapeutique Anticancéreuse, Faculté de Médecine, Université Rennes 1, 2 Avenue du Professeur Léon Bernard, 35043 Rennes Cedex, France.
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32
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Anti-tumoral effect of native and immobilized bovine serum amine oxidase in a mouse melanoma model. Biochem Pharmacol 2005; 69:1693-704. [DOI: 10.1016/j.bcp.2005.02.025] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2004] [Accepted: 02/17/2005] [Indexed: 11/20/2022]
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33
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Reguera RM, Tekwani BL, Balaña-Fouce R. Polyamine transport in parasites: a potential target for new antiparasitic drug development. Comp Biochem Physiol C Toxicol Pharmacol 2005; 140:151-64. [PMID: 15907761 DOI: 10.1016/j.cca.2005.02.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2004] [Revised: 02/07/2005] [Accepted: 02/08/2005] [Indexed: 10/25/2022]
Abstract
The metabolism of the naturally occurring polyamines-putrescine, spermidine and spermine-is a highly integrated system involving biosynthesis, uptake, degradation and interconversion. Metabolic differences in polyamine metabolism have long been considered to be a potential target to arrest proliferative processes ranging from cancer to microbial and parasitic diseases. Despite the early success of polyamine inhibitors such as alpha-difluoromethylornithine (DFMO) in treating the latter stages of African sleeping sickness, in which the central nervous system is affected, they proved to be ineffective in checking other major diseases caused by parasitic protozoa, such as Chagas' disease, leishmaniasis or malaria. In the use and design of new polyamine-based inhibitors, account must be taken of the presence of up-regulated polyamine transporters in the plasma membrane of the infectious agent that are able to circumvent the effect of the drug by providing the parasite with polyamines from the host. This review contains information on the polyamine requirements and molecular, biochemical and genetic characterization of different transport mechanisms in the parasitic agents responsible for a number of the deadly diseases that afflict underdeveloped and developing countries.
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Affiliation(s)
- Rosa María Reguera
- Department of Pharmacology and Toxicology (INTOXCAL), University of Leon, Campus de Vegazana (s/n) 24071 Leon, Spain
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Wallace HM, Fraser AV, Hughes A. A perspective of polyamine metabolism. Biochem J 2003; 376:1-14. [PMID: 13678416 PMCID: PMC1223767 DOI: 10.1042/bj20031327] [Citation(s) in RCA: 676] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2003] [Revised: 09/16/2003] [Accepted: 09/18/2003] [Indexed: 01/30/2023]
Abstract
Polyamines are essential for the growth and function of normal cells. They interact with various macromolecules, both electrostatically and covalently and, as a consequence, have a variety of cellular effects. The complexity of polyamine metabolism and the multitude of compensatory mechanisms that are invoked to maintain polyamine homoeostasis argue that these amines are critical to cell survival. The regulation of polyamine content within cells occurs at several levels, including transcription and translation. In addition, novel features such as the +1 frameshift required for antizyme production and the rapid turnover of several of the enzymes involved in the pathway make the regulation of polyamine metabolism a fascinating subject. The link between polyamine content and human disease is unequivocal, and significant success has been obtained in the treatment of a number of parasitic infections. Targeting the polyamine pathway as a means of treating cancer has met with limited success, although the development of drugs such as DFMO (alpha-difluoromethylornithine), a rationally designed anticancer agent, has revolutionized our understanding of polyamine function in cell growth and provided 'proof of concept' that influencing polyamine metabolism and content within tumour cells will prevent tumour growth. The more recent development of the polyamine analogues has been pivotal in advancing our understanding of the necessity to deplete all three polyamines to induce apoptosis in tumour cells. The current thinking is that the polyamine inhibitors/analogues may also be useful agents in the chemoprevention of cancer and, in this area, we may yet see a revival of DFMO. The future will be in adopting a functional genomics approach to identifying polyamine-regulated genes linked to either carcinogenesis or apoptosis.
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Affiliation(s)
- Heather M Wallace
- Department of Medicine and Therapeutics, University of Aberdeen, Polwarth Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK.
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35
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Covassin L, Desjardins M, Soulet D, Charest-Gaudreault R, Audette M, Poulin R. Xylylated dimers of putrescine and polyamines: influence of the polyamine backbone on spermidine transport inhibition. Bioorg Med Chem Lett 2003; 13:3267-71. [PMID: 12951106 DOI: 10.1016/s0960-894x(03)00668-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dimeric norspermidine and spermidine derivatives are strong competitive inhibitors of polyamine transport. A xylyl tether was used for the dimerization of various triamines and spermine via a secondary amino group, and of putrescine via an ether or an amino group. Dimerization of putrescine moieties potentiates their ability to compete against spermidine transport to a much greater extent than for triamine dimers.
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Affiliation(s)
- Laurence Covassin
- Faculty of Pharmacy, Faculty of Medicine, Laval University, Quebec, Canada G1K 7P4
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36
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Ruchko M, Gillespie MN, Weeks RS, Olson JW, Babal P. Putrescine transport in hypoxic rat main PASMCs is required for p38 MAP kinase activation. Am J Physiol Lung Cell Mol Physiol 2003; 284:L179-86. [PMID: 12388342 DOI: 10.1152/ajplung.00234.2002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Hypoxic pulmonary vascular remodeling in rats is associated with increased polyamine transport in pulmonary artery smooth muscle cells (PASMCs). We therefore defined constitutive and hypoxia-induced polyamine transport properties of rat cultured PASMCs and determined the impact of polyamine transport blockade on hypoxia-induced accumulation of p38 MAP kinase. PASMCs exhibited polyamine transport pathways that were characterized by Michaelis-Menten kinetics. RNA synthesis inhibition attenuated while inhibition of protein synthesis increased polyamine uptake, thus suggesting regulation by ornithine decarboxylase-antizyme. The presence of two transporters with overlapping selectivities, one for putrescine and another for all three polyamines, was inferred by cross-competition studies and by findings that only putrescine uptake was sodium dependent and that hypoxia caused a selective, time-dependent induction of putrescine transport. The pathophysiological significance of augmented putrescine import was suggested by the observation that polyamine transport inhibition suppressed hypoxia-induced p38 MAP kinase phosphorylation. These results indicate that rat PASMCs express two polyamine transporters and that a specific increase in the putrescine uptake pathway is necessary for hypoxia-induced activation of p38 MAP kinase.
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Affiliation(s)
- Mykhaylo Ruchko
- Department of Pharmacology, University of South Alabama College of Medicine, Mobile, AL 36688, USA
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37
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Delcros JG, Tomasi S, Carrington S, Martin B, Renault J, Blagbrough IS, Uriac P. Effect of spermine conjugation on the cytotoxicity and cellular transport of acridine. J Med Chem 2002; 45:5098-111. [PMID: 12408721 DOI: 10.1021/jm020843w] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Polyamines are believed to be potent vectors for the selective delivery of chemotherapeutic agents into cancer cells. In this paper, we report the effect of spermine conjugation on the cytotoxic and transport properties of acridine. Six derivatives, composed of a spermine chain attached at its N(1) position to an acridine via an aliphatic chain, were synthesized. The aliphatic linker, comprised of 3-5 methylene units, was connected to the position-9 of the heterocycle through either an amide (amidoacridines 8-10) or an amine (aminoacridines 11-13) linkage. Independently of their architecture, all ligands showed a high affinity for DNA binding but a limited DNA sequence selectivity. In a whole cell assay with L1210 and Chinese hamster ovary (CHO) cells, the aminoacridines (IC(50) values around 2 microM) were more potent than the amidoacridines (IC(50) values between 20 and 40 microM). This was related to a less efficient transport for the latter. As determined from competitive uptake studies with [(14)C]spermidine, all conjugates had a high affinity for the polyamine transport system (PTS). However, on the basis of competitive studies with an excess of spermidine and on the differential effect on cell growth and accumulation in CHO and in the mutant PTS deficient CHO-MG cells, the accumulation of the conjugates through the PTS was found to be poor but still more efficient for the aminoacridines. alpha-Difluoromethylornithine (DFMO), an inhibitor of ornithine decarboxylase, which induces an up-regulation of the activity of the PTS, enhanced accumulation of all acridine conjugates through the PTS and had a synergistic effect on the potency of the acridine conjugates to inhibit cell growth. Despite their high affinity for the PTS, the low amount of derivatives transiting through the PTS is likely to be related to their ability to repress rapidly and efficiently the activity of the PTS and, consequently, to inhibit their own uptake via this system.
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Affiliation(s)
- Jean-Guy Delcros
- Groupe de Recherche en Thérapeutiques Anticancéreuses, UPR ESA CNRS 6027, Faculté de Médecine, Université Rennes 1, 2 Avenue du Professeur Léon Bernard, 35043 Rennes Cédex, France.
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38
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Fraser AV, Woster PM, Wallace HM. Induction of apoptosis in human leukaemic cells by IPENSpm, a novel polyamine analogue and anti-metabolite. Biochem J 2002; 367:307-12. [PMID: 12086584 PMCID: PMC1222862 DOI: 10.1042/bj20020156] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2002] [Revised: 06/26/2002] [Accepted: 06/27/2002] [Indexed: 11/17/2022]
Abstract
Human promyelogenous leukaemic cells (HL-60) were treated with novel spermine analogue, ( S )- N (1)-(2-methyl-1-butyl)- N (11)-ethyl-4,8-diazaundecane (IPENSpm), and the effects on growth and intracellular polyamine metabolism were measured. IPENSpm was cytotoxic to these cells at concentrations greater than 2.5 microM. It induced apoptosis in a caspase-dependent manner and its toxicity profile was comparable with etoposide, a well-known anti-tumour agent and inducer of apoptosis. IPENSpm decreased intracellular polyamine content as a result of changes in ornithine decarboxylase activity and increases in spermidine/spermine N(1)-acetyltransferase and polyamine export. Analysis showed spermine and spermidine as the major intracellular polyamines, while putrescine and acetyl-polyamines were the main export compounds. IPENSpm used the polyamine transporter system for uptake and its accumulation in cells was prevented by polyamine transport inhibitors. IPENSpm can be classified as a polyamine anti-metabolite and it may be a promising new lead compound in terms of treatment of some human cancers.
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Affiliation(s)
- Alison V Fraser
- Departments of Medicine & Therapeutics and Biomedical Sciences, Polwarth Building, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, Scotland, U.K
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39
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Coburn RF, Jones DH, Morgan CP, Baron CB, Cockcroft S. Spermine increases phosphatidylinositol 4,5-bisphosphate content in permeabilized and nonpermeabilized HL60 cells. BIOCHIMICA ET BIOPHYSICA ACTA 2002; 1584:20-30. [PMID: 12213489 DOI: 10.1016/s1388-1981(02)00265-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The polyamine spermine (N,N'bis[3-aminopropyl]-1,4-butanediamine) activates phosphatidylinositol-4-phosphate 5-kinase (PtdIns(4)P5K) and phosphatidylinositol 4-kinase (PtdIns4K) in vitro. Spermine concentration increases that occur in proliferating cells were approximated in streptolysin O-permeabilized HL60 cells. When phospholipase C was activated by GTPgammaS in the presence of PITPalpha, 0.1-1.2 mM spermine evoked increases in PtdIns(4,5)P(2) contents in a dose-dependent manner to 110-170% of control and concomitantly decreased inositol phosphate formation by 10-50%. Spermine-induced increases in PtdIns(4,5)P(2) content in permeabilized cells also occurred during GTPgammaS stimulation in the absence of PITPalpha, were augmented in the presence of PITPalpha, occurred in unstimulated cells and were additive to PtdIns(4,5)P(2) formation evoked by ARF1, another activator of phosphoinositide kinases. Slowly developing spermine-evoked increases in PtdIns(4,5)P(2) contents occurred in nonpermeabilized cells that were abolished in the presence of a spermine transport inhibitor. Data are consistent with spermine at physiological concentrations evoking a PITPalpha-dependent shift in formation of PtdIns(4,5)P(2) from compartments that contained an active phospholipase C to compartments that were separated from an active PLC and from PtdIns(4,5)P(2) formed by ARF1.
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Affiliation(s)
- Ronald F Coburn
- Department of Physiology, University of Pennsylvania, School of Medicine, Philadelphia, PA 19104, USA.
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40
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Graminski GF, Carlson CL, Ziemer JR, Cai F, Vermeulen NMJ, Vanderwerf SM, Burns MR. Synthesis of bis-spermine dimers that are potent polyamine transport inhibitors. Bioorg Med Chem Lett 2002; 12:35-40. [PMID: 11738568 DOI: 10.1016/s0960-894x(01)00659-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A series of novel spermine dimer analogues was synthesized and assessed for their ability to inhibit spermidine transport into MDA-MB-231 breast carcinoma cells. Two spermine molecules were tethered via their N(1) primary amines with naphthalenedisulfonic acid, adamantanedicarboxylic acid and a series of aliphatic dicarboxylic acids. The linked spermine analogues were potent polyamine transport inhibitors and inhibited cell growth cytostatically in combination with a polyamine synthesis inhibitor. Variation in the linker length did not alter polyamine transport inhibition. The amount of charge on the molecule may influence the molecular interaction with the transporter since the most potent spermidine transport inhibitors contained 5-6 positive charges.
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Affiliation(s)
- Gerard F Graminski
- Oridigm Corporation, 4010 Stone Way North, Suite 220, Seattle, WA 98103, USA.
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41
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Burns MR, Carlson CL, Vanderwerf SM, Ziemer JR, Weeks RS, Cai F, Webb HK, Graminski GF. Amino acid/spermine conjugates: polyamine amides as potent spermidine uptake inhibitors. J Med Chem 2001; 44:3632-44. [PMID: 11606128 DOI: 10.1021/jm0101040] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this paper we describe the synthesis and characterization of a series of simple spermine/amino acid conjugates, some of which potently inhibit the uptake of spermidine into MDA-MB-231 breast cancer cells. The presence of an amide in the functionalized polyamine appeared to add to the affinity for the polyamine transporter. The extensive biological characterization of an especially potent analogue from this series, the Lys-Spm conjugate (31), showed this molecule will be an extremely useful tool for use in polyamine research. It was shown that the use of 31 in combination with DFMO led to a cytostatic growth inhibition of a variety of cancer cells, even when used in the presence of an extracellular source of transportable spermidine. It was furthermore shown that this combination effectively reduced the cellular levels of putrescine and spermidine while not affecting the levels of spermine. These facts together with the nontoxic nature of 31 make it a novel lead for further anticancer development.
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Affiliation(s)
- M R Burns
- Oridigm Corporation, 4010 Stone Way North, Suite 220, Seattle, WA 98103, USA.
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