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Cai Y, Chow JPH, Leung YO, Lu X, Yuen CH, Lee WL, Chau KC, Yang LL, Wong RMH, Lam JYT, Chow DTL, Chung SHK, Kwok SY, Leung YC. NEI-01-Induced Arginine Deprivation Has Potent Activity Against Acute Myeloid Leukemia Cells Both In Vitro and In Vivo. Mol Cancer Ther 2021; 20:2218-2227. [PMID: 34433661 DOI: 10.1158/1535-7163.mct-21-0120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 06/24/2021] [Accepted: 08/18/2021] [Indexed: 11/16/2022]
Abstract
Recent studies have revealed that targeting amino acid metabolic enzymes is a promising strategy in cancer therapy. Acute myeloid leukemia (AML) downregulates the expression of argininosuccinate synthase (ASS1), a recognized rate-limiting enzyme for arginine synthesis, and yet displays a critical dependence on extracellular arginine for survival and proliferation. This dependence on extracellular arginine, also known as arginine auxotrophy, suggests that arginine deprivation would be a treatment strategy for AML. NEI-01, a novel arginine-depleting enzyme, is capable of binding to serum albumin to extend its circulating half-life, leading to a potent anticancer activity. Here we reported the preclinical activity of NEI-01 in arginine auxotrophic AMLs. NEI-01 efficiently depleted arginine both in vitro and in vivo NEI-01-induced arginine deprivation was cytotoxic to arginine auxotrophic AML cells through induction of cell-cycle arrest and apoptosis. Furthermore, the potent anti-leukemia activities of NEI-01 were observed in three different types of mouse models including human cell line-derived xenograft, mouse cell line-derived homografts in syngeneic mice and patient-derived xenograft. This preclinical data provide strong evidence to support the potential use of NEI-01 as a therapeutic approach in AML treatment.
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Affiliation(s)
- Yijun Cai
- New Epsilon Innovation Limited, Hong Kong, China.
| | | | - Yu-On Leung
- New Epsilon Innovation Limited, Hong Kong, China
| | - Xiaoxu Lu
- New Epsilon Innovation Limited, Hong Kong, China
| | - Chak-Ho Yuen
- New Epsilon Innovation Limited, Hong Kong, China
| | - Wing Lun Lee
- New Epsilon Innovation Limited, Hong Kong, China
| | - Ka-Chun Chau
- New Epsilon Innovation Limited, Hong Kong, China
| | - Liz L Yang
- New Epsilon Innovation Limited, Hong Kong, China
| | | | | | | | | | - Sui-Yi Kwok
- New Epsilon Innovation Limited, Hong Kong, China.
| | - Yun-Chung Leung
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology and Lo Ka Chung Research Centre for Natural Anti-Cancer Drug Development, The Hong Kong Polytechnic University, Hong Kong, China.
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2
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Chen CL, Hsu SC, Ann DK, Yen Y, Kung HJ. Arginine Signaling and Cancer Metabolism. Cancers (Basel) 2021; 13:3541. [PMID: 34298755 PMCID: PMC8306961 DOI: 10.3390/cancers13143541] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/01/2021] [Accepted: 07/12/2021] [Indexed: 12/19/2022] Open
Abstract
Arginine is an amino acid critically involved in multiple cellular processes including the syntheses of nitric oxide and polyamines, and is a direct activator of mTOR, a nutrient-sensing kinase strongly implicated in carcinogenesis. Yet, it is also considered as a non- or semi-essential amino acid, due to normal cells' intrinsic ability to synthesize arginine from citrulline and aspartate via ASS1 (argininosuccinate synthase 1) and ASL (argininosuccinate lyase). As such, arginine can be used as a dietary supplement and its depletion as a therapeutic strategy. Strikingly, in over 70% of tumors, ASS1 transcription is suppressed, rendering the cells addicted to external arginine, forming the basis of arginine-deprivation therapy. In this review, we will discuss arginine as a signaling metabolite, arginine's role in cancer metabolism, arginine as an epigenetic regulator, arginine as an immunomodulator, and arginine as a therapeutic target. We will also provide a comprehensive summary of ADI (arginine deiminase)-based arginine-deprivation preclinical studies and an update of clinical trials for ADI and arginase. The different cell killing mechanisms associated with various cancer types will also be described.
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Affiliation(s)
- Chia-Lin Chen
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan 350, Miaoli County, Taiwan;
| | - Sheng-Chieh Hsu
- Institute of Biotechnology, National Tsing-Hua University, Hsinchu 30035, Taiwan;
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan 350, Miaoli County, Taiwan
| | - David K. Ann
- Department of Diabetes and Metabolic Diseases Research, Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA;
| | - Yun Yen
- Ph.D. Program for Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan;
| | - Hsing-Jien Kung
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan 350, Miaoli County, Taiwan;
- Ph.D. Program for Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan;
- Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei 110, Taiwan
- Comprehensive Cancer Center, Department of Biochemistry and Molecular Medicine, University of California at Davis, Sacramento, CA 95817, USA
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Chu CY, Lee YC, Hsieh CH, Yeh CT, Chao TY, Chen PH, Lin IH, Hsieh TH, Shih JW, Cheng CH, Chang CC, Lin PS, Huang YL, Chen TM, Yen Y, Ann DK, Kung HJ. Genome-wide CRISPR/Cas9 knockout screening uncovers a novel inflammatory pathway critical for resistance to arginine-deprivation therapy. Theranostics 2021; 11:3624-3641. [PMID: 33664852 PMCID: PMC7914361 DOI: 10.7150/thno.51795] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 01/01/2021] [Indexed: 12/24/2022] Open
Abstract
Arginine synthesis deficiency due to the suppressed expression of ASS1 (argininosuccinate synthetase 1) represents one of the most frequently occurring metabolic defects of tumor cells. Arginine-deprivation therapy has gained increasing attention in recent years. One challenge of ADI-PEG20 (pegylated ADI) therapy is the development of drug resistance caused by restoration of ASS1 expression and other factors. The goal of this work is to identify novel factors conferring therapy resistance. Methods: Multiple, independently derived ADI-resistant clones including derivatives of breast (MDA-MB-231 and BT-549) and prostate (PC3, CWR22Rv1, and DU145) cancer cells were developed. RNA-seq and RT-PCR were used to identify genes upregulated in the resistant clones. Unbiased genome-wide CRISPR/Cas9 knockout screening was used to identify genes whose absence confers sensitivity to these cells. shRNA and CRISPR/Cas9 knockout as well as overexpression approaches were used to validate the functions of the resistant genes both in vitro and in xenograft models. The signal pathways were verified by western blotting and cytokine release. Results: Based on unbiased CRISPR/Cas9 knockout screening and RNA-seq analyses of independently derived ADI-resistant (ADIR) clones, aberrant activation of the TREM1/CCL2 axis in addition to ASS1 expression was consistently identified as the resistant factors. Unlike ADIR, MDA-MB-231 overexpressing ASS1 cells achieved only moderate ADI resistance both in vitro and in vivo, and overexpression of ASS1 alone does not activate the TREM1/CCL2 axis. These data suggested that upregulation of TREM1 is an independent factor in the development of strong resistance, which is accompanied by activation of the AKT/mTOR/STAT3/CCL2 pathway and contributes to cell survival and overcoming the tumor suppressive effects of ASS1 overexpression. Importantly, knockdown of TREM1 or CCL2 significantly sensitized ADIR toward ADI. Similar results were obtained in BT-549 breast cancer cell line as well as castration-resistant prostate cancer cells. The present study sheds light on the detailed mechanisms of resistance to arginine-deprivation therapy and uncovers novel targets to overcome resistance. Conclusion: We uncovered TREM1/CCL2 activation, in addition to restored ASS1 expression, as a key pathway involved in full ADI-resistance in breast and prostate cancer models.
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Systems level profiling of arginine starvation reveals MYC and ERK adaptive metabolic reprogramming. Cell Death Dis 2020; 11:662. [PMID: 32814773 PMCID: PMC7438517 DOI: 10.1038/s41419-020-02899-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 12/14/2022]
Abstract
Arginine auxotrophy due to the silencing of argininosuccinate synthetase 1 (ASS1) occurs in many carcinomas and in the majority of sarcomas. Arginine deiminase (ADI-PEG20) therapy exploits this metabolic vulnerability by depleting extracellular arginine, causing arginine starvation. ASS1-negative cells develop resistance to ADI-PEG20 through a metabolic adaptation that includes re-expressing ASS1. As arginine-based multiagent therapies are being developed, further characterization of the changes induced by arginine starvation is needed. In order to develop a systems-level understanding of these changes, activity-based proteomic profiling (ABPP) and phosphoproteomic profiling were performed before and after ADI-PEG20 treatment in ADI-PEG20-sensitive and resistant sarcoma cells. When integrated with metabolomic profiling, this multi-omic analysis reveals that cellular response to arginine starvation is mediated by adaptive ERK signaling and activation of the Myc–Max transcriptional network. Concomitantly, these data elucidate proteomic changes that facilitate oxaloacetate production by enhancing glutamine and pyruvate anaplerosis and altering lipid metabolism to recycle citrate for oxidative glutaminolysis. Based on the complexity of metabolic and cellular signaling interactions, these multi-omic approaches could provide valuable tools for evaluating response to metabolically targeted therapies.
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Vettore L, Westbrook RL, Tennant DA. New aspects of amino acid metabolism in cancer. Br J Cancer 2020; 122:150-156. [PMID: 31819187 PMCID: PMC7052246 DOI: 10.1038/s41416-019-0620-5] [Citation(s) in RCA: 241] [Impact Index Per Article: 60.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/01/2019] [Accepted: 10/18/2019] [Indexed: 02/06/2023] Open
Abstract
An abundant supply of amino acids is important for cancers to sustain their proliferative drive. Alongside their direct role as substrates for protein synthesis, they can have roles in energy generation, driving the synthesis of nucleosides and maintenance of cellular redox homoeostasis. As cancer cells exist within a complex and often nutrient-poor microenvironment, they sometimes exist as part of a metabolic community, forming relationships that can be both symbiotic and parasitic. Indeed, this is particularly evident in cancers that are auxotrophic for particular amino acids. This review discusses the stromal/cancer cell relationship, by using examples to illustrate a number of different ways in which cancer cells can rely on and contribute to their microenvironment - both as a stable network and in response to therapy. In addition, it examines situations when amino acid synthesis is driven through metabolic coupling to other reactions, and synthesis is in excess of the cancer cell's proliferative demand. Finally, it highlights the understudied area of non-proteinogenic amino acids in cancer metabolism and their potential role.
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Affiliation(s)
- Lisa Vettore
- Institute of Metabolism and Systems Research, University of Birmingham, Edgbaston, Birmingham, UK
| | - Rebecca L Westbrook
- Institute of Metabolism and Systems Research, University of Birmingham, Edgbaston, Birmingham, UK
| | - Daniel A Tennant
- Institute of Metabolism and Systems Research, University of Birmingham, Edgbaston, Birmingham, UK.
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Yeon A, You S, Kim M, Gupta A, Park MH, Weisenberger DJ, Liang G, Kim J. Rewiring of cisplatin-resistant bladder cancer cells through epigenetic regulation of genes involved in amino acid metabolism. Am J Cancer Res 2018; 8:4520-4534. [PMID: 30214636 PMCID: PMC6134931 DOI: 10.7150/thno.25130] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 07/23/2018] [Indexed: 12/26/2022] Open
Abstract
Alterations in DNA methylation are important epigenetic markers in bladder cancer (BC). These epigenome modifications may drive the mechanisms of aggressive chemo-resistant BC. Clinicopathological biomarkers that indicate chemotherapeutic resistance are critical for better assessing treatment strategies for individual patients. Thus, in this study, we aimed to determine whether DNA methylation of certain metabolic enzymes is significantly altered in cisplatin-resistant BC cells. Methods: To characterize CpG methylation and nucleosome accessibility in cisplatin-resistant BC cells, the Illumina Infinium HM450 DNA methylation assay was performed. Perturbed gene expression was found to be associated with cisplatin resistance, and the biological roles of spermidine/spermine N1-acetyltransferase (SAT1) and argininosuccinate synthase 1 (ASS1) were further studied using qRT-PCR analysis and various cell biology assays, including western blot. Results:ASS1 and SAT1, genes for amino acid and polyamine metabolism catalysts, respectively, were found to be vastly hypermethylated, resulting in greatly downregulated expression. ASS1 expression is of particular interest because prior studies have demonstrated its potential association with BC stage and recurrence. In regard to chemoresistance, we found that aberrant expression or induced stimulation of SAT1 restored cisplatin sensitivity in the cell culture system. We also found that the addition of exogenous arginine deiminase through administration of ADI-PEG 20 (pegylated arginine deiminase) increased ASS1 expression and enhanced cisplatin's apoptotic effects. Conclusions: Our study demonstrates a novel mechanistic link between the epigenetic perturbation of SAT1 and ASS1 and cancer metabolism in cisplatin-resistant bladder cancer cells. These findings suggest potential utility of SAT1 and ASS1 as predictive biomarkers in re-sensitizing bladder cancer to chemotherapy and personalizing therapy.
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