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Yan ZY, Luo ZQ, Zhang LJ, Li J, Liu JQ. Integrated Analysis and MicroRNA Expression Profiling Identified Seven miRNAs Associated With Progression of Oral Squamous Cell Carcinoma. J Cell Physiol 2017; 232:2178-2185. [PMID: 27935034 DOI: 10.1002/jcp.25728] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 12/05/2016] [Indexed: 12/12/2022]
Abstract
MicroRNAs have been used as diagnostic and prognostic biomarkers for many cancers including oral squamous cell carcinoma (OSCC). Several studies have been shown that microRNA (miRNA) play important roles during the progression of OSCC. However, the results vary largely in different studies due to different platforms and sample sizes. In this study, we systematically evaluated a large scale of miRNA profiles from current qualified OSCC samples, and further investigated the functions of genes regulated by these key miRNAs as well as the signaling pathways through which these miRNA effect carcinogenesis. Seven key miRNAs were identified, and of which three were significantly upregulated, including hsa-miR-21, hsa-miR-31, hsa-miR-338, and four were downregulated, namely hsa-miR-125b, hsa-miR-133a, hsa-miR-133b, and hsa-miR-139. The function enrichment analysis revealed that target genes of upregulated miRNAs were associated with cellular protein metabolic process, macromolecule metabolic process, and TGF-beta pathway, while the targets of downregulated were enriched in negative regulation of macromolecule biosynthetic process and gene expression, and p53, long-term potentiation and adherens junction pathways. Transcription factor analysis revealed that there were 67 (51.1%) transcription factors influenced by both up and downregulated miRNAs. In summary, seven key miRNAs were found to play essential role in progression of OSCC, as well as the target genes and transcription factors of these miRNAs. The potential functions of these target genes identified in our study may be profitable to diagnosis and prognostic prediction of OSCC as biomarkers. J. Cell. Physiol. 232: 2178-2185, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Zhong-Yi Yan
- Department of Stomatology, The First People's Hospital of Lianyungang City, Lianyungang, Jiangsu, China
| | - Zhi-Qing Luo
- Department of Stomatology, The Affiliated Huai'an Hospital of Xuzhou Medical University and The Second People's Hospital of Huai'an, Huai'an, China
| | - Lai-Jian Zhang
- Department of Stomatology, The First People's Hospital of Lianyungang City, Lianyungang, Jiangsu, China
| | - Jia Li
- Department of Prosthodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Jia-Qiang Liu
- Department of Oral and Cranio-Maxillofacial, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Andreasson KI, Bachstetter AD, Colonna M, Ginhoux F, Holmes C, Lamb B, Landreth G, Lee DC, Low D, Lynch MA, Monsonego A, O’Banion MK, Pekny M, Puschmann T, Russek-Blum N, Sandusky LA, Selenica MLB, Takata K, Teeling J, Town T, Van Eldik LJ, Russek-Blum N, Monsonego A, Low D, Takata K, Ginhoux F, Town T, O’Banion MK, Lamb B, Colonna M, Landreth G, Andreasson KI, Sandusky LA, Selenica MLB, Lee DC, Holmes C, Teeling J, Lynch MA, Van Eldik LJ, Bachstetter AD, Pekny M, Puschmann T. Targeting innate immunity for neurodegenerative disorders of the central nervous system. J Neurochem 2016; 138:653-93. [PMID: 27248001 PMCID: PMC5433264 DOI: 10.1111/jnc.13667] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 04/01/2016] [Accepted: 04/30/2016] [Indexed: 12/21/2022]
Abstract
Neuroinflammation is critically involved in numerous neurodegenerative diseases, and key signaling steps of innate immune activation hence represent promising therapeutic targets. This mini review series originated from the 4th Venusberg Meeting on Neuroinflammation held in Bonn, Germany, 7-9th May 2015, presenting updates on innate immunity in acute brain injury and chronic neurodegenerative disorders, such as traumatic brain injury and Alzheimer disease, on the role of astrocytes and microglia, as well as technical developments that may help elucidate neuroinflammatory mechanisms and establish clinical relevance. In this meeting report, a brief overview of physiological and pathological microglia morphology is followed by a synopsis on PGE2 receptors, insights into the role of arginine metabolism and further relevant aspects of neuroinflammation in various clinical settings, and concluded by a presentation of technical challenges and solutions when working with microglia and astrocyte cultures. Microglial ontogeny and induced pluripotent stem cell-derived microglia, advances of TREM2 signaling, and the cytokine paradox in Alzheimer's disease are further contributions to this article. Neuroinflammation is critically involved in numerous neurodegenerative diseases, and key signaling steps of innate immune activation hence represent promising therapeutic targets. This mini review series originated from the 4th Venusberg Meeting on Neuroinflammation held in Bonn, Germany, 7-9th May 2015, presenting updates on innate immunity in acute brain injury and chronic neurodegenerative disorders, such as traumatic brain injury and Alzheimer's disease, on the role of astrocytes and microglia, as well as technical developments that may help elucidate neuroinflammatory mechanisms and establish clinical relevance. In this meeting report, a brief overview on physiological and pathological microglia morphology is followed by a synopsis on PGE2 receptors, insights into the role of arginine metabolism and further relevant aspects of neuroinflammation in various clinical settings, and concluded by a presentation of technical challenges and solutions when working with microglia cultures. Microglial ontogeny and induced pluripotent stem cell-derived microglia, advances of TREM2 signaling, and the cytokine paradox in Alzheimer's disease are further contributions to this article.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Niva Russek-Blum
- The Dead Sea and Arava Science Center, Central Arava Branch, Yair Station, Hazeva, Israel
| | - Alon Monsonego
- The Shraga Segal Dept. of Microbiology, Immunology and Genetics, The Faculty of Health Sciences: The National Institute of Biotechnology in the Negev, and Zlotowski Center for Neuroscience, Ben-Gurion University, Beer-Sheva 84105, Israel
| | - Donovan Low
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore
| | - Kazuyuki Takata
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore
- Department of Clinical and Translational Physiology, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore
| | - Terrence Town
- Departments of Physiology and Biophysics, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089,
| | - M. Kerry O’Banion
- Departments of Neuroscience and Neurology, Del Monte Neuromedicine Institute, University of Rochester School of Medicine & Dentistry, Rochester, NY 14642,
| | - Bruce Lamb
- Department of Neurosciences, Cleveland Clinic, Cleveland, OH 44106
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110
| | - Gary Landreth
- Department of Neurosciences, Case Western Reserve University 44106
| | - Katrin I. Andreasson
- Department of Neurology and Neurological Sciences, Stanford Neuroscience Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Leslie A. Sandusky
- USF Health Byrd Alzheimer’s Institute, Tampa, FL 33613
- College of Pharmacy & Pharmaceutical Sciences, Tampa, FL 33613
| | - Maj-Linda B. Selenica
- USF Health Byrd Alzheimer’s Institute, Tampa, FL 33613
- College of Pharmacy & Pharmaceutical Sciences, Tampa, FL 33613
| | - Daniel C. Lee
- USF Health Byrd Alzheimer’s Institute, Tampa, FL 33613
- College of Pharmacy & Pharmaceutical Sciences, Tampa, FL 33613
| | - Clive Holmes
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton General Hospital, Tremona Road, Southampton, SO16 7YD, United Kingdom
| | - Jessica Teeling
- Centre for Biological Sciences, University of Southampton, Southampton General Hospital, Tremona Road, Southampton, SO16 7YD, United Kingdom
| | | | | | | | - Milos Pekny
- Center for Brain Repair and Rehabilitation, Department of Clinical Neuroscience and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, SE-405 30 Gothenburg, Sweden
- Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia
- Hunter Medical Research Institute, University of Newcastle, New South Wales, Australia
| | - Till Puschmann
- Center for Brain Repair and Rehabilitation, Department of Clinical Neuroscience and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, SE-405 30 Gothenburg, Sweden
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Sustained Arginase 1 Expression Modulates Pathological Tau Deposits in a Mouse Model of Tauopathy. J Neurosci 2016; 35:14842-60. [PMID: 26538654 DOI: 10.1523/jneurosci.3959-14.2015] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Tau accumulation remains one of the closest correlates of neuronal loss in Alzheimer's disease. In addition, tau associates with several other neurodegenerative diseases, collectively known as tauopathies, in which clinical phenotypes manifest as cognitive impairment, behavioral disturbances, and motor impairment. Polyamines act as bivalent regulators of cellular function and are involved in numerous biological processes. The regulation of the polyamines system can become dysfunctional during disease states. Arginase 1 (Arg1) and nitric oxide synthases compete for l-arginine to produce either polyamines or nitric oxide, respectively. Herein, we show that overexpression of Arg1 using adeno-associated virus (AAV) in the CNS of rTg4510 tau transgenic mice significantly reduced phospho-tau species and tangle pathology. Sustained Arg1 overexpression decreased several kinases capable of phosphorylating tau, decreased inflammation, and modulated changes in the mammalian target of rapamycin and related proteins, suggesting activation of autophagy. Arg1 overexpression also mitigated hippocampal atrophy in tau transgenic mice. Conversely, conditional deletion of Arg1 in myeloid cells resulted in increased tau accumulation relative to Arg1-sufficient mice after transduction with a recombinant AAV-tau construct. These data suggest that Arg1 and the polyamine pathway may offer novel therapeutic targets for tauopathies.
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Argininosuccinate synthetase 1 suppression and arginine restriction inhibit cell migration in gastric cancer cell lines. Sci Rep 2015; 5:9783. [PMID: 25928182 PMCID: PMC4415574 DOI: 10.1038/srep09783] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2014] [Accepted: 03/19/2015] [Indexed: 01/17/2023] Open
Abstract
Gastric cancer metastasis remains a major cause of cancer-related deaths. There is an
urgent need to develop new therapeutic approaches targeting metastatic gastric
cancer. Argininosuccinate synthetase 1 (ASS1) expression is increased in gastric
cancer. We detected the protein expression of ASS1 in human gastric cancer cell
lines (AGS, NCI-N87, and MKN45) and in murine gastric cancer cell lines (3I and
3IB2). We used vector-mediated short hairpin RNA (shRNA) expression to silence ASS1
expression in the MKN45 and 3IB2 cell lines, and analyzed the effects of this
protein on cell migration and metastasis. We demonstrated that ASS1 silencing
suppressed cell migration in the MKN45 and 3IB2 cell lines. ASS1 knockdown
significantly reduced liver metastasis in mice after the intrasplenic implantation
of 3IB2 cancer cell clones. To determine whether arginine restriction may represent
a therapeutic approach to treat gastric cancer, the sensitivity of tumor cells to
arginine depletion was determined in gastric cancer cells. Arginine depletion
significantly inhibited cell migration in the gastric cancer cell line. The
silencing of ASS1 expression in MKN45 and 3IB2 gastric cancer cells markedly
decreased STAT3 protein expression. In conclusion, our results indicate that the
ASS1 protein is required for cell migration in gastric cancer cell lines.
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Wu FLL, Yeh TH, Chen YL, Chiu YC, Cheng JC, Wei MF, Shen LJ. Intracellular delivery of recombinant arginine deiminase (rADI) by heparin-binding hemagglutinin adhesion peptide restores sensitivity in rADI-resistant cancer cells. Mol Pharm 2014; 11:2777-86. [PMID: 24950134 DOI: 10.1021/mp5001372] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Recombinant arginine deiminase (rADI) has been used in clinical trials for arginine-auxotrophic cancers. However, the emergence of rADI resistance, due to the overexpression of argininosuccinate synthetase (AS), has introduced an obstacle in its clinical application. Here, we have proposed a strategy for the intracellular delivery of rADI, which depletes both extracellular and intracellular arginine, to restore the sensitivity of rADI-resistant cancer cells. In this study, the C terminus of heparin-binding hemagglutinin adhesion protein from Mycobacterium tuberculosis (HBHAc), which contains 23 amino acids, was used to deliver rADI into rADI-resistant human breast adenocarcinoma cells (MCF-7). Chemical conjugates (l- and d-HBHAc-SPDP-rADI) and a recombinant fusion protein (rHBHAc-ADI) were produced. l- and d-HBHAc-SPDP-rADI showed a significantly higher cellular uptake of rADI by MCF-7 cells compared to that of rADI alone. Cell viability was significantly decreased in a dose-dependent manner in response to l- and d-HBHAc-SPDP-rADI treatments. In addition, the ratio of intracellular concentration of citrulline to arginine in cells treated with l- and d-HBHAc-SPDP-rADI was significantly increased by 1.4- and 1.7-fold, respectively, compared with that obtained in cells treated with rADI alone (p < 0.001). Similar results were obtained with the recombinant fusion protein rHBHAc-ADI. Our study demonstrates that the increased cellular uptake of rADI by HBHAc modification can restore the sensitivity of rADI treatment in MCF-7 cells. rHBHAc-ADI may represent a novel class of antitumor enzyme with an intracellular mechanism that is independent of AS expression.
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Affiliation(s)
- Fe-Lin Lin Wu
- School of Pharmacy and ‡Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University , Taipei 10050, Taiwan
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6
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Targeted inhibition of mTOR signaling improves sensitivity of esophageal squamous cell carcinoma cells to cisplatin. J Immunol Res 2014; 2014:845763. [PMID: 24818169 PMCID: PMC4003759 DOI: 10.1155/2014/845763] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Accepted: 03/27/2014] [Indexed: 11/22/2022] Open
Abstract
mTOR is an evolutionarily conserved serine-threonine kinase with a central role in cell growth, invasion, and metastasis of tumors, and is activated in many cancers. The aims of this study were to investigate the expression of mTOR in ESCC tissues and its relationship with progression of ESCC and measure the changes of sensitivity of ESCC cells to cisplatin after cells were treated with mTOR siRNA by WST-8 assays, TUNEL, RT-PCR, and western blots in vitro and in vivo. The results showed that the expression of mTOR was higher in ESCC specimens than that in normal esophageal tissues and its expression was closely correlated with the TNM stage of ESCC. mTOR siRNA significantly increased the sensitivity of the EC9706 cells to cisplatin at proliferation in vitro and in vivo. The growth of ESCC xenografts was significantly inhibited by mTOR siRNA or cisplatin, and the cell number of apoptosis was obviously increased after xenografts were treated with mTOR siRNA or cisplatin alone, especially when mTOR siRNA combined with cisplatin. The present study demonstrates that the expression of mTOR has important clinical significance and inhibition of mTOR pathway by mTOR siRNA can improve the sensitivity of ESCC cells to cisplatin.
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Qiu F, Chen YR, Liu X, Chu CY, Shen LJ, Xu J, Gaur S, Forman HJ, Zhang H, Zheng S, Yen Y, Huang J, Kung HJ, Ann DK. Arginine starvation impairs mitochondrial respiratory function in ASS1-deficient breast cancer cells. Sci Signal 2014; 7:ra31. [PMID: 24692592 DOI: 10.1126/scisignal.2004761] [Citation(s) in RCA: 129] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Autophagy is the principal catabolic response to nutrient starvation and is necessary to clear dysfunctional or damaged organelles, but excessive autophagy can be cytotoxic or cytostatic and contributes to cell death. Depending on the abundance of enzymes involved in molecule biosynthesis, cells can be dependent on uptake of exogenous nutrients to provide these molecules. Argininosuccinate synthetase 1 (ASS1) is a key enzyme in arginine biosynthesis, and its abundance is reduced in many solid tumors, making them sensitive to external arginine depletion. We demonstrated that prolonged arginine starvation by exposure to ADI-PEG20 (pegylated arginine deiminase) induced autophagy-dependent death of ASS1-deficient breast cancer cells, because these cells are arginine auxotrophs (dependent on uptake of extracellular arginine). Indeed, these breast cancer cells died in culture when exposed to ADI-PEG20 or cultured in the absence of arginine. Arginine starvation induced mitochondrial oxidative stress, which impaired mitochondrial bioenergetics and integrity. Furthermore, arginine starvation killed breast cancer cells in vivo and in vitro only if they were autophagy-competent. Thus, a key mechanism underlying the lethality induced by prolonged arginine starvation was the cytotoxic autophagy that occurred in response to mitochondrial damage. Last, ASS1 was either low in abundance or absent in more than 60% of 149 random breast cancer biosamples, suggesting that patients with such tumors could be candidates for arginine starvation therapy.
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Affiliation(s)
- Fuming Qiu
- Department of Molecular Pharmacology, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA.,Department of Medical Oncology, Zhejiang University School of Medicine, Hangzhou 310012, China
| | - Yun-Ru Chen
- Department of Molecular Pharmacology, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Xiyong Liu
- Department of Molecular Pharmacology, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Cheng-Ying Chu
- Integrated Laboratory, Center of Translational Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Li-Jiuan Shen
- Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University, Taipei 100, Taiwan
| | - Jinghong Xu
- Department of Pathology, Zhejiang University School of Medicine, Hangzhou 310012, China
| | - Shikha Gaur
- Department of Molecular Pharmacology, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Henry Jay Forman
- Life & Environmental Sciences Unit, University of California, Merced, Merced, CA 95343, USA.,Ethel Percy Andrus Gerontology Center, Davis School of Gerontology, University of Southern California, 3715 McClintock Avenue, Los Angeles, CA 90089-0191, USA
| | - Hang Zhang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310012, China
| | - Shu Zheng
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310012, China
| | - Yun Yen
- Department of Molecular Pharmacology, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA.,Integrated Laboratory, Center of Translational Medicine, Taipei Medical University, Taipei 110, Taiwan.,Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Jian Huang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310012, China
| | - Hsing-Jien Kung
- Integrated Laboratory, Center of Translational Medicine, Taipei Medical University, Taipei 110, Taiwan.,Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, Sacramento, CA 95817, USA.,National Health Research Institutes, Zhunan Town, Miaoli County 350, Taiwan
| | - David K Ann
- Department of Molecular Pharmacology, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA.,Integrated Laboratory, Center of Translational Medicine, Taipei Medical University, Taipei 110, Taiwan.,Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
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Phillips MM, Sheaff MT, Szlosarek PW. Targeting arginine-dependent cancers with arginine-degrading enzymes: opportunities and challenges. Cancer Res Treat 2013; 45:251-62. [PMID: 24453997 PMCID: PMC3893322 DOI: 10.4143/crt.2013.45.4.251] [Citation(s) in RCA: 154] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 11/13/2013] [Indexed: 12/13/2022] Open
Abstract
Arginine deprivation is a novel antimetabolite strategy for the treatment of arginine-dependent cancers that exploits differential expression and regulation of key urea cycle enzymes. Several studies have focused on inactivation of argininosuccinate synthetase 1 (ASS1) in a range of malignancies, including melanoma, hepatocellular carcinoma (HCC), mesothelial and urological cancers, sarcomas, and lymphomas. Epigenetic silencing has been identified as a key mechanism for loss of the tumor suppressor role of ASS1 leading to tumoral dependence on exogenous arginine. More recently, dysregulation of argininosuccinate lyase has been documented in a subset of arginine auxotrophic glioblastoma multiforme, HCC and in fumarate hydratase-mutant renal cancers. Clinical trials of several arginine depletors are ongoing, including pegylated arginine deiminase (ADI-PEG20, Polaris Group) and bioengineered forms of human arginase. ADI-PEG20 is furthest along the path of clinical development from combinatorial phase 1 to phase 3 trials and is described in more detail. The challenge will be to identify tumors sensitive to drugs such as ADI-PEG20 and integrate these agents into multimodality drug regimens using imaging and tissue/fluid-based biomarkers as predictors of response. Lastly, resistance pathways to arginine deprivation require further study to optimize arginine-targeted therapies in the oncology clinic.
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Affiliation(s)
- Melissa M. Phillips
- Center for Molecular Oncology, Barts Cancer Institute - a Cancer Research UK Centre of Excellence, Queen Mary University of London, Barts and The London School of Medicine and Dentistry, London, UK
- St Bartholomew's Hospital, London, UK
| | - Michael T. Sheaff
- Pathology Group, Institute of Cell and Molecular Sciences, Queen Mary University of London, Barts and The London School of Medicine and Dentistry, London, UK
| | - Peter W. Szlosarek
- Center for Molecular Oncology, Barts Cancer Institute - a Cancer Research UK Centre of Excellence, Queen Mary University of London, Barts and The London School of Medicine and Dentistry, London, UK
- St Bartholomew's Hospital, London, UK
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