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Cui Q, Jiang D, Zhang Y, Chen C. The tumor-nerve circuit in breast cancer. Cancer Metastasis Rev 2023; 42:543-574. [PMID: 36997828 PMCID: PMC10349033 DOI: 10.1007/s10555-023-10095-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 02/16/2023] [Indexed: 04/01/2023]
Abstract
It is well established that innervation is one of the updated hallmarks of cancer and that psychological stress promotes the initiation and progression of cancer. The breast tumor environment includes not only fibroblasts, adipocytes, endothelial cells, and lymphocytes but also neurons, which is increasingly discovered important in breast cancer progression. Peripheral nerves, especially sympathetic, parasympathetic, and sensory nerves, have been reported to play important but different roles in breast cancer. However, their roles in the breast cancer progression and treatment are still controversial. In addition, the brain is one of the favorite sites of breast cancer metastasis. In this review, we first summarize the innervation of breast cancer and its mechanism in regulating cancer growth and metastasis. Next, we summarize the neural-related molecular markers in breast cancer diagnosis and treatment. In addition, we review drugs and emerging technologies used to block the interactions between nerves and breast cancer. Finally, we discuss future research directions in this field. In conclusion, the further research in breast cancer and its interactions with innervated neurons or neurotransmitters is promising in the clinical management of breast cancer.
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Affiliation(s)
- Qiuxia Cui
- Affiliated Hospital of Guangdong Medical University Science & Technology of China, Zhanjiang, 524000, China
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital and Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, 518116, China
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, China
| | - Dewei Jiang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, China
| | - Yuanqi Zhang
- Affiliated Hospital of Guangdong Medical University Science & Technology of China, Zhanjiang, 524000, China.
| | - Ceshi Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, China.
- Academy of Biomedical Engineering, Kunming Medical University, Kunming, 650500, China.
- The Third Affiliated Hospital, Kunming Medical University, Kunming, 650118, China.
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2
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Liu YL, Hsiao IH, Lin YH, Lin CL, Jan MS, Hung HC, Liu GY. Ornithine decarboxylase functions in both autophagy and apoptosis in response to ultraviolet B radiation injury. J Cell Physiol 2022; 237:2140-2154. [PMID: 35019151 DOI: 10.1002/jcp.30678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 12/17/2021] [Accepted: 12/22/2021] [Indexed: 12/11/2022]
Abstract
We present a mechanism for how ornithine decarboxylase (ODC) regulates the crosstalk between autophagy and apoptosis. In cancer cells, low-intensity ultraviolet B (UVBL ) induces autophagy while high-intensity UVB (UVBH ) induces apoptosis. Overexpression of ODC decreases UVBL -induced autophagy by inhibiting Atg5-Atg12 conjugation and suppressing the expression of autophagy markers LC3, Atg7, Atg12, and BECN1 proteins. In contrast, when ODC-overexpressing cells are exposed to UVBH radiation, the levels of LC3-II, Atg5-Atg12 conjugate, BECN1, Atg7, and Atg12 increase, while the apoptosis marker cleaved-PARP proteins decrease, indicating that ODC overexpression induced UVBH -induced autophagy but inhibited UVBH -induced cellular apoptosis. Additionally, when exposed to UVBH radiation, silencing BECN1, Atg5, and Atg12 genes results in a decrease in the level of LC3-II proteins but an increase in the level of cleaved-PARP proteins, and apoptotic bodies were significantly increased while autophagosomes were significantly decreased. These findings imply that ODC inhibits apoptosis in cells via the autophagy pathway. The role of Atg12 in ODC-overexpressing cells exposed to UVBH radiation is investigated using site-directed mutagenesis. Our results indicate that the Atg12-D111S mutant has increased cell survival. The Atg12-ΔG186 mutant impairs autophagy and enhances apoptosis. We demonstrate that when ODC-overexpressing cells are silenced for the Atg12 protein, autophagy and apoptosis are strongly affected, and ODC-induced autophagy protects against UVBH -induced apoptosis via the Atg12 protein.
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Affiliation(s)
- Yi-Liang Liu
- Department of Life Sciences, National Chung Hsing University (NCHU), Taichung, Taiwan.,Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - I-Hsin Hsiao
- Department of Life Sciences, National Chung Hsing University (NCHU), Taichung, Taiwan
| | - Yen-Hung Lin
- Department of Life Sciences, National Chung Hsing University (NCHU), Taichung, Taiwan.,Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chih-Li Lin
- Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Ming-Shiou Jan
- Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Hui-Chih Hung
- Department of Life Sciences, National Chung Hsing University (NCHU), Taichung, Taiwan.,College of Life Sciences, Institute of Genomics and Bioinformatics, National Chung Hsing University (NCHU), Taichung, Taiwan.,iEGG and Animal Biotechnology Center, National Chung Hsing University (NCHU), Taichung, Taiwan
| | - Guang-Yaw Liu
- Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Division of Allergy, Immunology, and Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan
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3
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Huo J, Wu L, Zang Y, Dong H, Liu X, He F, Zhang X. Eight-gene metabolic signature related with tumor-associated macrophages predicting overall survival for hepatocellular carcinoma. BMC Cancer 2021; 21:31. [PMID: 33413205 PMCID: PMC7789516 DOI: 10.1186/s12885-020-07734-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 12/14/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND In recent years, the relationship between tumor-associated macrophages (TAMs) and solid tumors has become a research hotspot. This study aims to explore the close relationship of TAMs with metabolic reprogramming genes in hepatocellular carcinoma (HCC) to provide new methods of treatment for HCC. METHODS The study selected 343 HCC patients with complete survival information (survival time > = 1 month) in the Cancer Genome Atlas (TCGA) as study subjects. Kaplan-Meier survival analysis assisted in determining the relationship between macrophage infiltration and overall survival (OS), and Pearson correlation tests were used to identify metabolic reprogramming genes (MRGs) associated with tumor macrophage abundance. Lasso regression algorithms were used on prognosis-related MRGs identified by Kaplan-Meier survival analysis and univariate Cox regression analysis to construct a risk score; another independent cohort (including 228 HCC patients) from the International Cancer Genome Consortium (ICGC) was used to verify prognostic signature externally. RESULTS A risk score composed of 8 metabolic genes could accurately predict the OS of a training cohort (TCGA) and a testing cohort (ICGC). The risk score could be widely used for people with different clinical characteristics, and it is a predictor that is independent of other clinical factors that affect prognosis. As expected, compared with the low-risk group, the high-risk group exhibited an obviously higher macrophage abundance, together with a positive correlation between the risk score and the expression levels of three commonly used immune checkpoints (PD1, PDL1, and CTLA4). CONCLUSION Our study constructed and validated a novel eight-gene signature for predicting HCC patient OS, which may contribute to clinical treatment decisions.
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Affiliation(s)
- Junyu Huo
- Liver Disease Center, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, 266003, China.,Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, China
| | - Liqun Wu
- Liver Disease Center, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, 266003, China.
| | - Yunjin Zang
- Liver Disease Center, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, 266003, China
| | - Hongjing Dong
- Liver Disease Center, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, 266003, China
| | - Xiaoqiang Liu
- Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, China
| | - Fu He
- Liver Disease Center, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, 266003, China.,Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, China
| | - Xiao Zhang
- Linyi Central Hospital, Linyi, 276400, China
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4
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Torricelli P, Elia AC, Magara G, Feriotto G, Forni C, Borromeo I, De Martino A, Tabolacci C, Mischiati C, Beninati S. Reduction of oxidative stress and ornithine decarboxylase expression in a human prostate cancer cell line PC-3 by a combined treatment with α-tocopherol and naringenin. Amino Acids 2021; 53:63-72. [PMID: 33398525 DOI: 10.1007/s00726-020-02925-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 11/23/2020] [Indexed: 01/04/2023]
Abstract
Differentiation of a human aggressive PC-3 cancer cell line was obtained, in a previous investigation, by the synergic effect of α-tocopherol (α-TOC) and naringenin (NG). This combined treatment induced apoptosis and subsequent reduction of the PC-3 cell proliferation and invasion, by a pro-differentiating action. Since one of the peculiar characteristics of NG and α-TOC is their strong antioxidant activity, this study aimed to investigate their potential effect on the activity of the main enzymes involved in the antioxidant mechanism in prostate cancer cells. NG and α-TOC administered singularly or combined in the PC-3 cell line, affected the activity of several enzymes biomarkers of the cellular antioxidant activity, as well as the concentration of total glutathione (GSH + GSSG) and thiobarbituric acid reactive substances (TBARS). The combined treatment increased the TBARS levels and superoxide dismutase (SOD) activity, while decreased the glutathione S-transferase (GST), glutathione reductase (GR), and glyoxalase I (GI) activities. The results obtained indicate that a combined treatment with these natural compounds mitigated the oxidative stress in the human PC-3 cell line. In addition, a significant reduction of both ornithine decarboxylase (ODC) expression and intracellular levels of polyamines, both well-known positive regulators of cell proliferation, accompanied the reduction of oxidative stress observed in the combined α-TOC and NG treatment. Considering the established role of polyamines in cell differentiation, the synergism with NG makes α-TOC a potential drug for further study on the differentiation therapy in prostate cancer patients.
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Affiliation(s)
| | - Antonia Concetta Elia
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Gabriele Magara
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy
| | - Giordana Feriotto
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Cinzia Forni
- Department of Biology, University of Tor Vergata, Rome, Italy
| | - Ilaria Borromeo
- Department of Physics, University of Tor Vergata, Rome, Italy
| | | | - Claudio Tabolacci
- Department of Oncology and Molecular Medicine, Istituto Superiore Di Sanità, Rome, Italy
| | - Carlo Mischiati
- Department of Neuroscience and Rehabilitation, University of Ferrara, via Luigi Borsari 46, 44121, Ferrara, Italy.
| | - Simone Beninati
- Department of Biology, University of Tor Vergata, Rome, Italy
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5
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Shen S, Zeng L, Huang H. Effect of Methionine on AMD1 Gene Expression in Prostate Cancer Cells. Nutr Cancer 2020; 73:1804-1815. [PMID: 33054431 DOI: 10.1080/01635581.2020.1803931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To investigate the effect of AMD1 gene expression on prostate cancer cells (PC-3M), explore the mechanism of AMD1 action in cancer cells, and examine the regulation of AMD1 gene expression by methionine (MET). METHODS Quantitative PCR (qPCR) and western blot analysis (WB) approaches were used to detect and measure gene expression. The cell apoptotic rate was determined by flow cytometric (FCM) analysis. RESULTS qPCR and WB assays showed that both AMD1 gene expression and cell apoptotic rate were associated with MET. CONCLUSION MET has a significant regulatory effect on the expression of the AMD1 gene and a certain amount of MET can promote the expression of the AMD1 gene. This provides a health guideline for a low-methionine diet for prostate cancer patients and scientific evidence for prostate cancer prevention.
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Affiliation(s)
- Shaochen Shen
- Health Management Center, The Second Affiliate Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Linhong Zeng
- Health Management Center, The First Affiliate Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Hongwei Huang
- Health Management Center, The Second Affiliate Hospital of Nanchang University, Nanchang, Jiangxi, China
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6
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Sinkala M, Mulder N, Patrick Martin D. Metabolic gene alterations impact the clinical aggressiveness and drug responses of 32 human cancers. Commun Biol 2019; 2:414. [PMID: 31754644 PMCID: PMC6856368 DOI: 10.1038/s42003-019-0666-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Accepted: 10/25/2019] [Indexed: 02/06/2023] Open
Abstract
Malignant cells reconfigure their metabolism to support oncogenic processes such as accelerated growth and proliferation. The mechanisms by which this occurs likely involve alterations to genes that encode metabolic enzymes. Here, using genomics data for 10,528 tumours of 32 different cancer types, we characterise the alterations of genes involved in various metabolic pathways. We find that mutations and copy number variations of metabolic genes are pervasive across all human cancers. Based on the frequencies of metabolic gene alterations, we further find that there are two distinct cancer supertypes that tend to be associated with different clinical outcomes. By utilising the known dose-response profiles of 825 cancer cell lines, we infer that cancers belonging to these supertypes are likely to respond differently to various anticancer drugs. Collectively our analyses define the foundational metabolic features of different cancer supertypes and subtypes upon which discriminatory strategies for treating particular tumours could be constructed.
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Affiliation(s)
- Musalula Sinkala
- Computational Biology Division, Department of Integrative Biomedical Sciences, University of Cape Town School of Health Sciences, Anzio Rd, Observatory, Cape Town, 7925 South Africa
| | - Nicola Mulder
- Computational Biology Division, Department of Integrative Biomedical Sciences, University of Cape Town School of Health Sciences, Anzio Rd, Observatory, Cape Town, 7925 South Africa
| | - Darren Patrick Martin
- Computational Biology Division, Department of Integrative Biomedical Sciences, University of Cape Town School of Health Sciences, Anzio Rd, Observatory, Cape Town, 7925 South Africa
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7
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Zhang Q, Xu H, Liu R, Gao P, Yang X, Li P, Wang X, Zhang Y, Bi K, Li Q. Highly Sensitive Quantification Method for Amine Submetabolome Based on AQC-Labeled-LC-Tandem-MS and Multiple Statistical Data Mining: A Potential Cancer Screening Approach. Anal Chem 2018; 90:11941-11948. [PMID: 30208276 DOI: 10.1021/acs.analchem.8b02372] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The relationship between amine submetabolome and cancer has been increasingly investigated. However, no study was performed to evaluate the current methods of amine submetabolomics comprehensively, or to use such quantification results to provide an applicable approach for cancer screening. In this study, a highly sensitive and practical workflow for quantifying amine submetabolome, which was based on 6-aminoquinolyl- N-hydroxysuccinimidyl carbamate (AQC)-labeled-HPLC-MS/MS analysis combined with multiple statistical data processing approach, was established and optimized. Comparison and optimization of two analytical approaches, HILIC separation and precolumn derivatization, and three types of surrogate matrices of plasma were performed systematically. The detection sensitivities of AQC-labeled amines were increased by 50-1000-fold compared with the underivatization-HILIC method. Surrogate matrix was also used to verify the method after a large dilution factor was employed. In data analysis, the specific amino-index for each cancer sample was identified and validated by univariate receiver operating characteristic (ROC) curve analysis, partial least-squares discrimination analysis (PLS-DA), and multivariate ROC curve analysis. These amino indexes were innovatively quantified by multiplying the raised markers and dividing the reduced markers. As a result, the numerical intervals of amino indexes for healthy volunteers and cancer patients were provided, and their clinical value was also improved. Finally, the integrated workflow successfully differentiated the value of the amino index for plasma of lung, breast, colorectal, and gastric cancer samples from controls and among different types of cancer. Furthermore, it was also used to evaluate therapeutic effects. Taken together, the developed methodology, which was characterized by high sensitivity, high throughput, and high practicality, is suitable for amine submetabolomics in studying cancer biomarkers and could also be applied in many other clinical and epidemiological research.
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Affiliation(s)
- Qian Zhang
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Huarong Xu
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Ran Liu
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Peng Gao
- Metabolomics Core Facility of RHLCCC , Northwestern University Feinberg School of Medicine , Chicago , Illinois 60611 , United States
| | - Xiao Yang
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Pei Li
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Xiaotong Wang
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Yiwen Zhang
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Kaishun Bi
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
| | - Qing Li
- School of Pharmacy , Shenyang Pharmaceutical University , 103 Wenhua Road , Shenyang 110016 , China
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8
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Ciribilli Y, Singh P, Inga A, Borlak J. c-Myc targeted regulators of cell metabolism in a transgenic mouse model of papillary lung adenocarcinoma. Oncotarget 2018; 7:65514-65539. [PMID: 27602772 PMCID: PMC5323172 DOI: 10.18632/oncotarget.11804] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 08/24/2016] [Indexed: 12/31/2022] Open
Abstract
c-Myc's role in pulmonary cancer metabolism is uncertain. We therefore investigated c-Myc activity in papillary lung adenocarcinomas (PLAC). Genomics revealed 90 significantly regulated genes (> 3-fold) coding for cell growth, DNA metabolism, RNA processing and ribosomal biogenesis and bioinformatics defined c-Myc binding sites (TFBS) at > 95% of up-regulated genes. EMSA assays at 33 novel TFBS evidenced DNA binding activity and ChIP-seq data retrieved from public repositories confirmed these to be c-Myc bound. Dual-luciferase gene reporter assays developed for RNA-Terminal-Phosphate-Cyclase-Like-1(RCL1), Ribosomal-Protein-SA(RPSA), Nucleophosmin/Nucleoplasmin-3(NPM3) and Hexokinase-1(HK1) confirmed c-Myc functional relevance and ChIP assays with HEK293T cells over-expressing ectopic c-Myc demonstrated enriched c-Myc occupancy at predicted TFBS for RCL1, NPM3, HK1 and RPSA. Note, c-Myc recruitment on chromatin was comparable to the positive controls CCND2 and CDK4. Computational analyses defined master regulators (MR), i.e. heterogeneous nuclear ribonucleoprotein A1, nucleolin, the apurinic/apyrimidinic endonuclease 1, triosephosphate-isomerase 1, folate transporter (SLC19A1) and nucleophosmin to influence activity of up to 90% of PLAC-regulated genes. Their expression was induced by 3-, 3-, 6-, 3-, 11- and 7-fold, respectively. STRING analysis confirmed protein-protein-interactions of regulated genes and Western immunoblotting of fatty acid synthase, serine hydroxyl-methyltransferase 1, arginine 1 and hexokinase 2 showed tumor specific induction. Published knock down studies confirmed these proteins to induce apoptosis by disrupting neoplastic lipogenesis, by endorsing uracil accumulation and by suppressing arginine metabolism and glucose-derived ribonucleotide biosynthesis. Finally, translational research demonstrated high expression of MR and of 47 PLAC up-regulated genes to be associated with poor survival in lung adenocarcinoma patients (HR 3.2 p < 0.001) thus, providing a rationale for molecular targeted therapies in PLACs.
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Affiliation(s)
- Yari Ciribilli
- Centre for Integrative Biology (CIBIO), University of Trento, 38123 Povo (TN), Italy
| | - Prashant Singh
- Centre for Pharmacology and Toxicology, Hannover Medical School, 30625 Hannover, Germany
| | - Alberto Inga
- Centre for Integrative Biology (CIBIO), University of Trento, 38123 Povo (TN), Italy
| | - Jürgen Borlak
- Centre for Pharmacology and Toxicology, Hannover Medical School, 30625 Hannover, Germany
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9
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Quantitative metabolomics for investigating the value of polyamines in the early diagnosis and therapy of colorectal cancer. Oncotarget 2017; 9:4583-4592. [PMID: 29435126 PMCID: PMC5796997 DOI: 10.18632/oncotarget.22885] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 11/15/2017] [Indexed: 11/25/2022] Open
Abstract
As an important biomarker for cancer, polyamine levels in body fluid could be employed for monitoring the colorectal cancer (CRC), however the role of polyamines in the development and therapeutics phases of CRC remains uncertain. In this paper, the relationship between polyamines and CRC development and therapeutics had been investigated by the study of changes in plasma polyamine levels during the precancerous, developmental and treatment phases of CRC. After inducing CRC in Wistar rats by intraperitoneal injection of 1, 2-dimethylhydrazine, the animals were given a traditional Chinese medicine, Aidi injections. Firstly, the polyamine levels in the plasma of CRC, healthy and medicated rats were measured by UHPLC-MS/MS assay. In addition, Lasso regression analysis was used for screening and confirming the key markers, which can be employed for distinguishing the healthy and CRC rats as well as the CRC and medication rats. The results obtained showed that polyamine metabolism had been disrupted by CRC but returned to normal levels following Aidi injections and, in particular, putrescine and agmatine were closely correlated with CRC. Our results demonstrate the potential value of plasma polyamine metabolic profiling during the early diagnosis and medical treatment of CRC. Also, the integrated method of polyamine metabolite target analysis and lasso regression analysis can be applied in metabolomics for seeking the differential metabolites.
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Plasma N-acetylputrescine, cadaverine and 1,3-diaminopropane: potential biomarkers of lung cancer used to evaluate the efficacy of anticancer drugs. Oncotarget 2017; 8:88575-88585. [PMID: 29179458 PMCID: PMC5687628 DOI: 10.18632/oncotarget.19304] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 06/16/2017] [Indexed: 01/17/2023] Open
Abstract
Polyamines have been widely investigated as potential biomarkers for various types of cancers, including lung cancer, which is one of the most common causes of death from cancer worldwide. This study was carried out to evaluate the value of polyamines that serve as early diagnostic and cancer progression markers as well as drug evaluation for lung cancer (squamous cell carcinoma of lung, SCCL). SCCL was induced in Wistar rats by intratracheal instillation of 3-methylcholanthrene and treated with three different anti-cancer drugs, Aidi injections, fluorouracil, and a combination of them. After carcinogenesis for 28, 70 and 98 days and therapy for 28 and 56 days, the polyamine levels in plasma of SCCL, healthy and treated rats were determined using a UHPLC-MS/MS assay base on the means of targeted metabolomics. Results showed that increased N-acetylputrescine, cadaverine and 1,3-diaminopropane levels were associated with progression of SCCL. The levels of cadaverine and 1,3-diaminopropane returned to normal after administration of the three different kinds of anticancer drug. In addition, the suitability of using N-acetylputrescine, cadaverine and 1,3-diaminopropane as biomarkers was confirmed by PLS-DA and ROC analysis. It can provide an innovative and effective way for the clinical diagnosis, prevention and treatment of lung cancer, and stimulate a theoretical basis for the design and development of new anticancer drugs. At the same time, this increased the clinical options for polyamines as cancer biomarkers.
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Snezhkina AV, Krasnov GS, Lipatova AV, Sadritdinova AF, Kardymon OL, Fedorova MS, Melnikova NV, Stepanov OA, Zaretsky AR, Kaprin AD, Alekseev BY, Dmitriev AA, Kudryavtseva AV. The Dysregulation of Polyamine Metabolism in Colorectal Cancer Is Associated with Overexpression of c-Myc and C/EBPβ rather than Enterotoxigenic Bacteroides fragilis Infection. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:2353560. [PMID: 27433286 PMCID: PMC4940579 DOI: 10.1155/2016/2353560] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 03/28/2016] [Accepted: 04/27/2016] [Indexed: 12/16/2022]
Abstract
Colorectal cancer is one of the most common cancers in the world. It is well known that the chronic inflammation can promote the progression of colorectal cancer (CRC). Recently, a number of studies revealed a potential association between colorectal inflammation, cancer progression, and infection caused by enterotoxigenic Bacteroides fragilis (ETBF). Bacterial enterotoxin activates spermine oxidase (SMO), which produces spermidine and H2O2 as byproducts of polyamine catabolism, which, in turn, enhances inflammation and tissue injury. Using qPCR analysis, we estimated the expression of SMOX gene and ETBF colonization in CRC patients. We found no statistically significant associations between them. Then we selected genes involved in polyamine metabolism, metabolic reprogramming, and inflammation regulation and estimated their expression in CRC. We observed overexpression of SMOX, ODC1, SRM, SMS, MTAP, c-Myc, C/EBPβ (CREBP), and other genes. We found that two mediators of metabolic reprogramming, inflammation, and cell proliferation c-Myc and C/EBPβ may serve as regulators of polyamine metabolism genes (SMOX, AZIN1, MTAP, SRM, ODC1, AMD1, and AGMAT) as they are overexpressed in tumors, have binding site according to ENCODE ChIP-Seq data, and demonstrate strong coexpression with their targets. Thus, increased polyamine metabolism in CRC could be driven by c-Myc and C/EBPβ rather than ETBF infection.
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Affiliation(s)
- Anastasiya V. Snezhkina
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - George S. Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
- Orekhovich Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow 119121, Russia
| | - Anastasiya V. Lipatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Asiya F. Sadritdinova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
- National Medical Research Center of Radiology, Ministry of Healthcare of the Russian Federation, Moscow 125284, Russia
| | - Olga L. Kardymon
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Maria S. Fedorova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Nataliya V. Melnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Oleg A. Stepanov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Andrew R. Zaretsky
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia
| | - Andrey D. Kaprin
- National Medical Research Center of Radiology, Ministry of Healthcare of the Russian Federation, Moscow 125284, Russia
| | - Boris Y. Alekseev
- National Medical Research Center of Radiology, Ministry of Healthcare of the Russian Federation, Moscow 125284, Russia
| | - Alexey A. Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Anna V. Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
- National Medical Research Center of Radiology, Ministry of Healthcare of the Russian Federation, Moscow 125284, Russia
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Madan M, Patel A, Skruber K, Geerts D, Altomare DA, IV OP. ATP13A3 and caveolin-1 as potential biomarkers for difluoromethylornithine-based therapies in pancreatic cancers. Am J Cancer Res 2016; 6:1231-1252. [PMID: 27429841 PMCID: PMC4937730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 04/15/2016] [Indexed: 06/06/2023] Open
Abstract
The purpose of this paper was to better understand the role of polyamine transport in pancreatic cancers.This paper identifies potential biomarkers for assessing the relative tumor commitment to polyamine biosynthesis or transport. Cell lines with low polyamine import activity and low ATP13A3 protein levels appear committed to polyamine biosynthesis and required high concentrations of the polyamine biosynthesis inhibitor, difluoromethylornithine (DFMO) to inhibit their growth (e.g., AsPC-1 and Capan 1). In contrast, cell lines with high polyamine import activity and high ATP13A3 protein expression (e.g., L3.6pl) demonstrated a commitment to polyamine transport and required lower DFMO concentrations to inhibit their growth. Pancreatic cancer cell lines which were most sensitive to DFMO also gave the highest EC50 values for the polyamine transport inhibitors (PTIs) tested indicating that more PTI was needed to inhibit the active polyamine transport systems of these cell lines. Most significant is that the combination therapy of DFMO+PTI was efficacious against both cell types with the PTI showing low efficacy in cell lines with low polyamine transport activity and high efficacy in cell lines with high polyamine transport activity. High ATP13A3 protein expression and moderate to low Cav-1 protein expression was shown to be predictive of tumors which effectively escape DFMO via polyamine import. In summary, this report demonstrates for the first time the role of ATP13A3 in polyamine transport and its use as a potential biomarker along with Cav-1 to select tumors most susceptible to DFMO. These findings may help stratify patients in the ongoing clinical trials with DFMO-based therapies and help predict tumor response.
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Affiliation(s)
- Meenu Madan
- Department of Medical Education, University of Central Florida College of Medicine12722 Research Parkway, Orlando, Florida 32826, USA
| | - Arjun Patel
- Department of Medical Education, University of Central Florida College of Medicine12722 Research Parkway, Orlando, Florida 32826, USA
| | - Kristen Skruber
- Department of Medical Education, University of Central Florida College of Medicine12722 Research Parkway, Orlando, Florida 32826, USA
| | - Dirk Geerts
- Department of Pediatric Oncology, Erasmus University Medical Center, Dr. Molewaterplein 503015 GE Rotterdam, The Netherlands
| | - Deborah A Altomare
- Burnett School for Biomedical Sciences, University of Central Florida6900 Lake Nona Blvd., Orlando, FL 32827, USA
| | - Otto Phanstiel IV
- Department of Medical Education, University of Central Florida College of Medicine12722 Research Parkway, Orlando, Florida 32826, USA
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Vargas AJ, Ashbeck EL, Wertheim BC, Wallace RB, Neuhouser ML, Thomson CA, Thompson PA. Dietary polyamine intake and colorectal cancer risk in postmenopausal women. Am J Clin Nutr 2015; 102:411-9. [PMID: 26135350 PMCID: PMC4515861 DOI: 10.3945/ajcn.114.103895] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 06/01/2015] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Putrescine, spermidine, and spermine (i.e., polyamines) are small cationic amines synthesized by cells or acquired from the diet or gut bacteria. Polyamines are required for both normal and colorectal cancer (CRC) cell growth. OBJECTIVE We investigated the association between dietary polyamines and risk of CRC incidence and mortality. DESIGN The study was a prospective analysis in 87,602 postmenopausal women in the Women's Health Initiative Observational Study. Multivariate Cox regression was used to calculate HRs and 95% CIs. RESULTS Total dietary polyamine intake (mean ± SD: 289.2 ± 127.4 μmol/d) was not positively associated with CRC in fully adjusted models. Instead, intake ≥179.67 μmol/d was associated with reduced risk of CRC [HR (95% CI): 0.82 (0.68, 1.00), 0.81 (0.66, 0.99), 0.91 (0.74, 1.12), and 0.80 (0.62, 1.02) for quintiles 2-5, respectively, compared with quintile 1]. Reduced risk was not significant across all quintiles. Polyamines were not significantly associated with CRC-specific mortality in fully adjusted models. When stratified by risk factors for CRC, only body mass index (BMI) and fiber intake significantly modified the association between polyamine intake and CRC. In women with BMI (in kg/m²) ≤25 or fiber consumption above the median, polyamine intake was associated with significantly lower risk of CRC. CONCLUSIONS No positive association between dietary polyamines and CRC or CRC-specific mortality risk in women was observed. Instead, a protective effect of dietary polyamines was suggested in women with some CRC risk-lowering behaviors in particular. These results are consistent with emerging evidence that exogenous polyamines may be beneficial in colon health and warrant additional study.
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Affiliation(s)
| | | | | | - Robert B Wallace
- University of Iowa College of Public Health, University of Iowa, Iowa City, IA; and
| | - Marian L Neuhouser
- Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Cynthia A Thomson
- Departments of Nutritional Sciences, College of Public Health, The University of Arizona, Tucson, AZ; The University of Arizona Cancer Center, Tucson, AZ
| | - Patricia A Thompson
- Departments of Nutritional Sciences, Molecular and Cellular Biology, and The University of Arizona Cancer Center, Tucson, AZ
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Ruiz-Pérez MV, Medina MÁ, Urdiales JL, Keinänen TA, Sánchez-Jiménez F. Polyamine metabolism is sensitive to glycolysis inhibition in human neuroblastoma cells. J Biol Chem 2015; 290:6106-19. [PMID: 25593318 DOI: 10.1074/jbc.m114.619197] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Polyamines are essential for cell proliferation, and their levels are elevated in many human tumors. The oncogene n-myc is known to potentiate polyamine metabolism. Neuroblastoma, the most frequent extracranial solid tumor in children, harbors the amplification of n-myc oncogene in 25% of the cases, and it is associated with treatment failure and poor prognosis. We evaluated several metabolic features of the human neuroblastoma cell lines Kelly, IMR-32, and SK-N-SH. We further investigated the effects of glycolysis impairment in polyamine metabolism in these cell lines. A previously unknown linkage between glycolysis impairment and polyamine reduction is unveiled. We show that glycolysis inhibition is able to trigger signaling events leading to the reduction of N-Myc protein levels and a subsequent decrease of both ornithine decarboxylase expression and polyamine levels, accompanied by cell cycle blockade preceding cell death. New anti-tumor strategies could take advantage of the direct relationship between glucose deprivation and polyamine metabolism impairment, leading to cell death, and its apparent dependence on n-myc. Combined therapies targeting glucose metabolism and polyamine synthesis could be effective in the treatment of n-myc-expressing tumors.
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Affiliation(s)
- M Victoria Ruiz-Pérez
- From the Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), 29071 Málaga, Spain,
| | - Miguel Ángel Medina
- From the Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), 29071 Málaga, Spain, Unidad 741, CIBER de Enfermedades Raras (CIBERER), Málaga, Spain, and
| | - José Luis Urdiales
- From the Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), 29071 Málaga, Spain, Unidad 741, CIBER de Enfermedades Raras (CIBERER), Málaga, Spain, and
| | - Tuomo A Keinänen
- the School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, P.O. Box 1627 FIN-70211 Kuopio, Finland
| | - Francisca Sánchez-Jiménez
- From the Universidad de Málaga, Andalucía Tech, Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), 29071 Málaga, Spain, Unidad 741, CIBER de Enfermedades Raras (CIBERER), Málaga, Spain, and
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Bandino A, Geerts D, Koster J, Bachmann AS. Deoxyhypusine synthase (DHPS) inhibitor GC7 induces p21/Rb-mediated inhibition of tumor cell growth and DHPS expression correlates with poor prognosis in neuroblastoma patients. Cell Oncol (Dordr) 2014; 37:387-98. [PMID: 25315710 DOI: 10.1007/s13402-014-0201-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/22/2014] [Indexed: 11/29/2022] Open
Abstract
PURPOSE Neuroblastoma (NB) is an aggressive pediatric malignancy that typically occurs in infants and children under the age of 5 years. High-stage tumors relapse frequently even after aggressive multimodal treatment, resulting in therapy resistance and eventually in patient death. Clearly, new biologically-targeted drugs are needed that more efficiently suppress tumor growth and prevent relapse. We and others previously showed that polyamines such as spermidine play an essential role in NB tumorigenesis and that DFMO, an inhibitor of the central polyamine synthesis gene ODC, is effective in vitro and in vivo, prompting its evaluation in NB clinical trials. However, the specific molecular actions of polyamines remain poorly defined. Spermidine and deoxyhypusine synthase (DHPS) are essential components in the hypusination-driven post-translational activation of eukaryotic initiation factor 5A (eIF5A). METHODS We assessed the role of DHPS in NB and the impact of its inhibition by N(1)-guanyl-1,7-diaminoheptane (GC7) on tumor cell growth using cell proliferation assays, Western blot, immunofluorescence microscopy, and Affymetrix micro-array mRNA expression analyses in NB tumor samples. RESULTS We found that GC7 inhibits NB cell proliferation in a dose-dependent manner, through induction of the cell cycle inhibitor p21 and reduction of total and phosphorylated Rb proteins. Strikingly, high DHPS mRNA expression correlated significantly with unfavorable clinical parameters, including poor patient survival, in a cohort of 88 NB tumors (all P < 0.04). CONCLUSIONS These results suggest that spermidine and DHPS are key contributing factors in NB tumor proliferation through regulation of the p21/Rb signaling axis.
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Affiliation(s)
- Andrea Bandino
- Department of Pharmaceutical Sciences, The Daniel K. Inouye College of Pharmacy, University of Hawaii at Hilo, 34 Rainbow Drive, Hilo, HI, 96720, USA
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LINSALATA MICHELE, ORLANDO ANTONELLA, RUSSO FRANCESCO. Pharmacological and dietary agents for colorectal cancer chemoprevention: Effects on polyamine metabolism (Review). Int J Oncol 2014; 45:1802-12. [DOI: 10.3892/ijo.2014.2597] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Accepted: 07/04/2014] [Indexed: 11/06/2022] Open
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Paz EA, LaFleur B, Gerner EW. Polyamines are oncometabolites that regulate the LIN28/let-7 pathway in colorectal cancer cells. Mol Carcinog 2014; 53 Suppl 1:E96-106. [PMID: 23737330 DOI: 10.1002/mc.22051] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 04/19/2013] [Accepted: 05/03/2013] [Indexed: 12/16/2023]
Abstract
Polyamine metabolism is a highly coordinated process that is essential for normal development and neoplastic growth in mammals. Although polyamine metabolism is a validated pathway for prevention of carcinogenesis, the mechanisms by which polyamines elicit their tumorigenic effects are poorly understood. In this study, we investigated the role of polyamine metabolism in colon cancer by screening a non-coding RNA (ncRNA) platform to identify polyamine responsive signaling nodes. We report that multiple non-coding RNAs are altered by polyamine depletion including induction of microRNA (miRNA) let-7i, a member of the tumor suppressive let-7 family. The let-7 family targets several RNAs for translational repression, including the growth-associated transcription factor HMGA2 and is negatively regulated by the pluripotency factor LIN28. Depletion of polyamines using difluoromethylornithine (DFMO) or genetic knockdown of the polyamine-modified eukaryotic translation initiation factor 5A isoforms 1 and 2 (eIF5A1/2) resulted in robust reduction of both HMGA2 and LIN28. Locked nucleic acid (LNA) oligonucleotides targeting the seed region of the let-7 family rescued the expression of HMGA2, but not LIN28, in both DFMO-treated and eIF5A1/2 knockdown cultures. Our findings suggest that polyamines are oncometabolites that influence specific aspects of tumorigenesis by regulating pluripotency associated factors, such as LIN28, via an eIF5A-dependent but let-7-independent mechanism while the expression of proliferation-related genes regulated by let-7, such as HMGA2, is mediated through microRNA mediated repression. Therefore, manipulating polyamine metabolism may be a novel method of targeting the LIN28/let-7 pathway in specific disease states.
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Affiliation(s)
- Edwin A Paz
- Arizona Cancer Center, The University of Arizona, Tucson, Arizona; Cancer Biology Interdisciplinary Program, The University of Arizona, Tucson, Arizona
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Vargas AJ, Wertheim BC, Gerner EW, Thomson CA, Rock CL, Thompson PA. Dietary polyamine intake and risk of colorectal adenomatous polyps. Am J Clin Nutr 2012; 96:133-41. [PMID: 22648715 PMCID: PMC3374737 DOI: 10.3945/ajcn.111.030353] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Putrescine, spermidine, and spermine are the polyamines required for human cell growth. The inhibition of ornithine decarboxylase (ODC), which is the rate-limiting enzyme of polyamine biosynthesis, decreases tumor growth and the development of colorectal adenomas. A database was developed to estimate dietary polyamine exposure and relate exposure to health outcomes. OBJECTIVE We hypothesized that high polyamine intake would increase risk of colorectal adenoma and that the allelic variation at ODC G>A +316 would modify the association. DESIGN Polyamine exposure was estimated in subjects pooled (n = 1164) from the control arms of 2 randomized trials for colorectal adenoma prevention [Wheat Bran Fiber low-fiber diet arm (n = 585) and Ursodeoxycholic Acid placebo arm (n = 579)] by using baseline food-frequency questionnaire data. All subjects had to have a diagnosis of colorectal adenoma to be eligible for the trial. RESULTS A dietary intake of polyamines above the median amount in the study population was associated with 39% increased risk of colorectal adenoma at follow-up (adjusted OR: 1.39; 95% CI: 1.06, 1.83) in the pooled sample. In addition, younger participants (OR: 1.94; 95% CI: 1.23, 3.08), women (OR: 2.43; 95% CI: 1.48, 4.00), and ODC GG genotype carriers (OR: 1.59; 95% CI: 1.00, 2.53) had significantly increased odds of colorectal adenoma if they consumed above-median polyamine amounts. CONCLUSIONS This study showed a role for dietary polyamines in colorectal adenoma risk. Corroboration of these findings would confirm a previously unrecognized, modifiable dietary risk factor for colorectal adenoma.
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Affiliation(s)
- Ashley J Vargas
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA.
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Wang MF, Liao YF, Hung YC, Lin CL, Hour TC, Lue KH, Hung HC, Liu GY. Hydroxydibenzoylmethane induces apoptosis through repressing ornithine decarboxylase in human promyelocytic leukemia HL-60 cells. Exp Mol Med 2011; 43:189-96. [PMID: 21372632 DOI: 10.3858/emm.2011.43.4.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Ornithine decarboxylase (ODC) is the rate-limiting enzyme in polyamine biosynthesis and a target for chemoprevention. Hydroxydibenzoylmethane (HDB), a derivative of dibenzoylmethane of licorice, is a promising chemopreventive agent. In this paper, we investigated whether HDB would inhibit the ODC pathway to enhance apoptosis in human promyelocytic leukemia HL-60 cells. We found ODC enzyme activity was reduced during HDB treatment. Overexpression of ODC in HL-60 parental cells could reduce HDB-induced apoptosis, which leads to loss of mitochondrial membrane potential (Δψ(m)), through lessening intracellular ROS. Furthermore, ODC overexpression protected cytochrome c release and the activation of caspase-3 following HDB treatment. The results demonstrated HDB-induced apoptosis was through a mechanism of down-regulation of ODC and occurred along a ROS-dependent mitochondria-mediated pathway.
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Affiliation(s)
- Ming-Fu Wang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC
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Montagner D, Marzano C, Gandin V. Synthesis, characterization and cytotoxic activity of palladium (II) dithiocarbamate complexes with α,ω-diamines. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.07.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Nesnow S, Padgett WT, Moore T. Propiconazole induces alterations in the hepatic metabolome of mice: relevance to propiconazole-induced hepatocarcinogenesis. Toxicol Sci 2011; 120:297-309. [PMID: 21278054 DOI: 10.1093/toxsci/kfr012] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Propiconazole is a mouse hepatotumorigenic fungicide and has been the subject of recent investigations into its carcinogenic mechanism of action. The goals of this study were (1) to identify metabolomic changes induced in the liver by increasing doses of propiconazole in mice, (2) to interpret these results with key previously reported biochemical, transcriptomic, and proteomic findings obtained from mouse liver under the same treatment conditions, and (3) to relate these alterations to those associated with the carcinogenesis process. Propiconazole was administered to male CD-1 mice in the feed for 4 days with six mice per feed level (500, 1250, and 2500 ppm). The 2500 ppm dose level had previously been shown to induce both adenocarcinomas and adenomas in mouse liver after a 2-year continuous feed regimen. Endogenous biochemicals were profiled using liquid chromatography/mass spectrometry and gas chromatography/mass spectrometry methods and 261 were detected. The most populous biochemical class detected was lipids, followed by amino acids and then carbohydrates. Nucleotides, cofactors and vitamins, energy, peptides, and xenobiotics were also represented. Of the biochemicals detected, 159 were significantly altered by at least one dose of propiconazole and many showed strong dose responses. Many alterations in the levels of biochemicals were found in the glycogen metabolism, glycolysis, lipolysis, carnitine, and the tricarboxylic acid cycle pathways Several groups of metabolomic responses were ascribed to the metabolism and clearance of propiconazole: glucuronate, glutathione, and cysteine pathways. Groups of metabolic responses supported previous hypotheses on key events that can lead to propiconazole-induced tumorigenesis: oxidative stress and increases in the cholesterol biosynthesis pathway. Groups of metabolomic responses identified biomarkers associated with neoplasia: increases in glycolysis and increases in the levels of spermidine, sarcosine, and pseudouridine. These results extended the companion transcriptomic and proteomic studies and provided a more complete understanding of propiconazole's effects in mouse liver.
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Affiliation(s)
- Stephen Nesnow
- National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711, USA.
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LEE SB, PARK JH, FOLK J, DECK JA, PEGG AE, SOKABE M, FRASER CS, PARK MH. Inactivation of eukaryotic initiation factor 5A (eIF5A) by specific acetylation of its hypusine residue by spermidine/spermine acetyltransferase 1 (SSAT1). Biochem J 2011; 433:205-13. [PMID: 20942800 PMCID: PMC3003598 DOI: 10.1042/bj20101322] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
eIF5A (eukaryotic translation initiation factor 5A) is the only cellular protein containing hypusine [Nϵ-(4-amino-2-hydroxybutyl)lysine]. eIF5A is activated by the post-translational synthesis of hypusine and the hypusine modification is essential for cell proliferation. In the present study, we report selective acetylation of the hypusine and/or deoxyhypusine residue of eIF5A by a key polyamine catabolic enzyme SSAT1 (spermidine/spermine-N1-acetyltransferase 1). This enzyme normally catalyses the N1-acetylation of spermine and spermidine to form acetyl-derivatives, which in turn are degraded to lower polyamines. Although SSAT1 has been reported to exert other effects in cells by its interaction with other cellular proteins, eIF5A is the first target protein specifically acetylated by SSAT1. Hypusine or deoxyhypusine, as the free amino acid, does not act as a substrate for SSAT1, suggesting a macromolecular interaction between eIF5A and SSAT1. Indeed, the binding of eIF5A and SSAT1 was confirmed by pull-down assays. The effect of the acetylation of hypusine on eIF5A activity was assessed by comparison of acetylated with non-acetylated bovine testis eIF5A in the methionyl-puromycin synthesis assay. The loss of eIF5A activity by this SSAT1-mediated acetylation confirms the strict structural requirement for the hypusine side chain and suggests a possible regulation of eIF5A by hypusine acetylation/deacetylation.
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Affiliation(s)
- Seung Bum LEE
- Oral and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, 20892 USA
| | - Jong Hwan PARK
- Oral and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, 20892 USA
| | - J.E. FOLK
- Chemical Biology Research Branch, National Institute of Drug Abuse and National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892 USA
| | - Jason A. DECK
- Chemical Biology Research Branch, National Institute of Drug Abuse and National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892 USA
| | - Anthony E. PEGG
- Department of Cellular and Molecular Physiology, Milton S. Hershey Medical Center, Pennsylvania State University, Hershey, PA, 17033 USA
| | - Masaaki SOKABE
- Department of Biochemistry and Molecular Medicine, University of California, Davis, CA 95616
| | - Christopher S. FRASER
- Department of Molecular and Cellular Biology, University of California, Davis, CA 95616
| | - Myung Hee PARK
- Oral and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, 20892 USA
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Basu I, Locker J, Cassera MB, Belbin TJ, Merino EF, Dong X, Hemeon I, Evans GB, Guha C, Schramm VL. Growth and metastases of human lung cancer are inhibited in mouse xenografts by a transition state analogue of 5'-methylthioadenosine phosphorylase. J Biol Chem 2010; 286:4902-11. [PMID: 21135097 DOI: 10.1074/jbc.m110.198374] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The S-adenosylmethionine (AdoMet) salvage enzyme 5'-methylthioadenosine phosphorylase (MTAP) has been implicated as both a cancer target and a tumor suppressor. We tested these hypotheses in mouse xenografts of human lung cancers. AdoMet recycling from 5'-methylthioadenosine (MTA) was blocked by inhibition of MTAP with methylthio-DADMe-Immucillin-A (MTDIA), an orally available, nontoxic, picomolar transition state analogue. Blood, urine, and tumor levels of MTA increased in response to MTDIA treatment. MTDIA treatment inhibited A549 (human non-small cell lung carcinoma) and H358 (human bronchioloalveolar non-small cell lung carcinoma cells) xenograft tumor growth in immunodeficient Rag2(-/-)γC(-/-) and NCr-nu mice. Systemic MTA accumulation is implicated as the tumor-suppressive metabolite because MTDIA is effective for in vivo treatment of A549 MTAP(-/-) and H358 MTAP(+/+) tumors. Tumors from treated mice showed increased MTA and decreased polyamines but little alteration in AdoMet, methionine, or adenine levels. Gene expression profiles of A549 tumors from treated and untreated mice revealed only modest alterations with 62 up-regulated and 63 down-regulated mRNAs (≥ 3-fold). MTDIA antitumor activity in xenografts supports MTAP as a target for lung cancer therapy.
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Affiliation(s)
- Indranil Basu
- Department of Biochemistry, Albert Einstein College of Medicine of Yeshiva University, Bronx, New York 10461, USA
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