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Mansouri P, Mansouri P, Behmard E, Najafipour S, Kouhpayeh SA, Farjadfar A. Peptidylarginine deiminase (PAD): A promising target for chronic diseases treatment. Int J Biol Macromol 2024; 278:134576. [PMID: 39127273 DOI: 10.1016/j.ijbiomac.2024.134576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/26/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
In 1958, the presence of citrulline in the structure of the proteins was discovered for the first time. Several years later they found that Arginine converted to citrulline during a post-translational modification process by PAD enzyme. Each PAD is expressed in a certain tissue developing a series of diseases such as inflammation and cancers. Among these, PAD2 and PAD4 play a role in the development of rheumatoid arthritis (RA) by producing citrullinated autoantigens and increasing the production of inflammatory cytokines. PAD4 is also associated with the formation of NET structures and thrombosis. In the crystallographic structure, PAD has several calcium binding sites, and the active site of the enzyme consists of different amino acids. Various PAD inhibitors have been developed divided into pan-PAD and selective PAD inhibitors. F-amidine, Cl-amidine, and BB-Cl-amidine are some of pan-PAD inhibitors. AFM-30a and JBI589 are selective for PAD2 and PAD4, respectively. There is a need to evaluate the effectiveness of existing inhibitors more accurately in the coming years, as well as design and production of novel inhibitors targeting highly specific isoforms.
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Affiliation(s)
- Pegah Mansouri
- Department of Medical Biotechnology, Fasa University of Medical Sciences, Fasa, Iran
| | - Pardis Mansouri
- Department of Medical Biotechnology, Fasa University of Medical Sciences, Fasa, Iran
| | - Esmaeil Behmard
- School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Sohrab Najafipour
- School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Seyed Amin Kouhpayeh
- Department of Pharmacology, Faculty of Medicine, Fasa University of Medical Sciences, Fasa, Iran.
| | - Akbar Farjadfar
- Department of Medical Biotechnology, Fasa University of Medical Sciences, Fasa, Iran.
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2
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Chen K, Zhang L, Ding Y, Sun Z, Meng J, Luo R, Zhou X, Liu L, Yang S. Activity-based protein profiling in drug/pesticide discovery: Recent advances in target identification of antibacterial compounds. Bioorg Chem 2024; 151:107655. [PMID: 39032407 DOI: 10.1016/j.bioorg.2024.107655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/18/2024] [Accepted: 07/14/2024] [Indexed: 07/23/2024]
Abstract
Given the escalating incidence of bacterial diseases and the challenge posed by pathogenic bacterial resistance, it is imperative to identify appropriate methodologies for conducting proteomic investigations on bacteria, and thereby promoting the target-based drug/pesticide discovery. Interestingly, a novel technology termed "activity-based protein profiling" (ABPP) has been developed to identify the target proteins of active molecules. However, few studies have summarized advancements in ABPP for identifying the target proteins in antibacterial-active compounds. In order to accelerate the discovery and development of new drug/agrochemical discovery, we provide a concise overview of ABPP and its recent applications in antibacterial agent discovery. Diversiform cases were cited to demonstrate the potential of ABPP for target identification though highlighting the design strategies and summarizing the reported target protein of antibacterial compounds. Overall, this review is an excellent reference for probe design towards antibacterial compounds, and offers a new perspective of ABPP in bactericide development.
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Affiliation(s)
- Kunlun Chen
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Ling Zhang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Yue Ding
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Zhaoju Sun
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Jiao Meng
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Rongshuang Luo
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Xiang Zhou
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China.
| | - Liwei Liu
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Song Yang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China.
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Niphakis MJ, Cravatt BF. Ligand discovery by activity-based protein profiling. Cell Chem Biol 2024; 31:1636-1651. [PMID: 39303700 DOI: 10.1016/j.chembiol.2024.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2024] [Revised: 08/15/2024] [Accepted: 08/19/2024] [Indexed: 09/22/2024]
Abstract
Genomic technologies have led to massive gains in our understanding of human gene function and disease relevance. Chemical biologists are a primary beneficiary of this information, which can guide the prioritization of proteins for chemical probe and drug development. The vast functional and structural diversity of disease-relevant proteins, however, presents challenges for conventional small molecule screening libraries and assay development that in turn raise questions about the broader "druggability" of the human proteome. Here, we posit that activity-based protein profiling (ABPP), by generating global maps of small molecule-protein interactions in native biological systems, is well positioned to address major obstacles in human biology-guided chemical probe and drug discovery. We will support this viewpoint with case studies highlighting a range of small molecule mechanisms illuminated by ABPP that include the disruption and stabilization of biomolecular (protein-protein/nucleic acid) interactions and underscore allostery as a rich source of chemical tools for historically "undruggable" protein classes.
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Porta EO, Steel PG. Activity-based protein profiling: A graphical review. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2023; 5:100164. [PMID: 37692766 PMCID: PMC10484978 DOI: 10.1016/j.crphar.2023.100164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 08/06/2023] [Accepted: 08/23/2023] [Indexed: 09/12/2023] Open
Abstract
Activity-based protein profiling (ABPP) is a chemoproteomic technology that employs small chemical probes to directly interrogate protein function within complex proteomes. Since its initial application almost 25 years ago, ABPP has proven to be a powerful and versatile tool for addressing numerous challenges in drug discovery, including the development of highly selective small-molecule inhibitors, the discovery of new therapeutic targets, and the illumination of target proteins in tissues and organisms. This graphical review provides an overview of the rapid evolution of ABPP strategies, highlighting the versatility of the approach with selected examples of its successful application.
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Affiliation(s)
| | - Patrick G. Steel
- Department of Chemistry, Durham University, Durham, DH1 3LE, United Kingdom
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Nabihah Nasir N, Sekar M, Ravi S, Wong LS, Sisinthy SP, Gan SH, Subramaniyan V, Chidambaram K, Mat Rani NNI, Begum MY, Ramar M, Safi SZ, Selvaraj S, Chinna Maruthu SK, Fuloria S, Fuloria NK, Lum PT, Djearamane S. Chemistry, Biosynthesis and Pharmacology of Streptonigrin: An Old Molecule with Future Prospects for New Drug Design, Development and Therapy. Drug Des Devel Ther 2023; 17:1065-1078. [PMID: 37064433 PMCID: PMC10094529 DOI: 10.2147/dddt.s388490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 01/20/2023] [Indexed: 04/18/2023] Open
Abstract
Streptonigrin is an aminoquinone alkaloid isolated from Streptomyces flocculus and is gaining attention as a drug molecule owing to its potential antitumor and antibiotic effects. It was previously used as an anticancer drug but has been discontinued because of its toxic effects. However, according to the most recent studies, the toxicity of streptonigrin and its structurally modified derivatives has been reduced while maintaining their potential pharmacological action at lower concentrations. To date, many investigations have been conducted on this molecule and its derivatives to determine the most effective molecule with low toxicity to enable new drug discovery. Therefore, the main objective of this study is to provide a comprehensive review and to discuss the prospects for streptonigrin and its derived compounds, which may boost the molecule as a highly interesting target molecule for new drug design, development and therapy. To complete this review, relevant literature was collected from several scientific databases, including Google Scholar, PubMed, Scopus and ScienceDirect. Following a complete screening, the obtained information is summarized in the present review to provide a good reference and accelerate the development and utilization of streptonigrin and its derivatives as pharmaceuticals.
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Affiliation(s)
- Naurah Nabihah Nasir
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, Perak, 30450, Malaysia
| | - Mahendran Sekar
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Selangor, 47500, Malaysia
- Center for Transdisciplinary Research, Department of Pharmacology, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College and Hospital, Saveetha University, Chennai, Tamil Nadu, 600077, India
| | - Subban Ravi
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu, 641021, India
| | - Ling Shing Wong
- Faculty of Health and Life Sciences, INTI International University, Nilai, 71800, Malaysia
- Correspondence: Ling Shing Wong, Faculty of Health and Life Sciences, INTI International University, Nilai, 71800, Malaysia, Tel +6014 – 3034057, Email
| | - Sreenivas Patro Sisinthy
- Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, Perak, 30450, Malaysia
| | - Siew Hua Gan
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Selangor, 47500, Malaysia
| | - Vetriselvan Subramaniyan
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Subang Jaya, Selangor, Malaysia
| | - Kumarappan Chidambaram
- Department of Pharmacology, College of Pharmacy, King Khalid University, Abha, 62529, Saudi Arabia
| | - Nur Najihah Izzati Mat Rani
- Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, Perak, 30450, Malaysia
| | - M Yasmin Begum
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha, 61421, Saudi Arabia
| | - Mohankumar Ramar
- Department of Surgical Research, Rhode Island Hospital, Alpert Medical School, Brown University, Providence, RI, 02903, USA
| | - Sher Zaman Safi
- Faculty of Medicine, Bioscience and Nursing, MAHSA University, Jenjarom, Selangor, 42610, Malaysia
| | | | | | - Shivkanya Fuloria
- Faculty of Pharmacy, AIMST University, Bedong, Kedah, 08100, Malaysia
| | | | - Pei Teng Lum
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, Perak, 30450, Malaysia
| | - Sinouvassane Djearamane
- Department of Biomedical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Kampar, Perak, 31900, Malaysia
- Sinouvassane Djearamane, Department of Biomedical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Kampar, 31900, Perak, Malaysia, Tel +6016 – 4037685, Email
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Nisar N, Mir SA, Kareem O, Pottoo FH. Proteomics approaches in the identification of cancer biomarkers and drug discovery. Proteomics 2023. [DOI: 10.1016/b978-0-323-95072-5.00001-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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Zhu D, Lu Y, Wang Y, Wang Y. PAD4 and Its Inhibitors in Cancer Progression and Prognosis. Pharmaceutics 2022; 14:2414. [PMID: 36365233 PMCID: PMC9699117 DOI: 10.3390/pharmaceutics14112414] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/28/2022] [Accepted: 11/06/2022] [Indexed: 07/24/2023] Open
Abstract
The systemic spread of malignancies and the risk of cancer-associated thrombosis are major clinical challenges in cancer therapy worldwide. As an important post-translational modification enzyme, peptidyl arginine deiminase 4 (PAD4) could mediate the citrullination of protein in different components (including nucleus and cytoplasm, etc.) of a variety of cells (tumor cells, neutrophils, macrophages, etc.), thus participating in gene regulation, neutrophil extracellular trap (NET) and macrophage extracellular trap (MET). Thereby, PAD4 plays an important role in enhancing the growth of primary tumors and facilitating the distant metastasis of cancer cells. In addition, it is related to the formation of cancer-associated thrombosis. Therefore, the development of PAD4-specific inhibitors may be a promising strategy for treating cancer, and it may improve patient prognosis. In this review, we describe PAD4 involvement in gene regulation, protein citrullination, and NET formation. We also discuss its potential role in cancer and cancer-associated thrombosis, and we summarize the development and application of PAD4 inhibitors.
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Affiliation(s)
- Di Zhu
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences of Capital Medical University, Beijing 100069, China
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, Beijing 100069, China
| | - Yu Lu
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences of Capital Medical University, Beijing 100069, China
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, Beijing 100069, China
| | - Yanming Wang
- School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Yuji Wang
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences of Capital Medical University, Beijing 100069, China
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, Beijing 100069, China
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8
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Neutrophils in Intestinal Inflammation: What We Know and What We Could Expect for the Near Future. GASTROINTESTINAL DISORDERS 2022. [DOI: 10.3390/gidisord4040025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Neutrophils are short-lived cells that play a crucial role in inflammation. As in other tissues, these polymorphonuclear phagocytes are involved in the intestinal inflammatory response, on the one hand, contributing to the activation and recruitment of other immune cells, but on the other hand, facilitating intestinal mucosa repair by releasing mediators that aid in the resolution of inflammation. Even though these responses are helpful in physiological conditions, excessive recruitment of activated neutrophils in the gut correlates with increased mucosal damage and severe symptoms in patients with inflammatory bowel disease (IBD) and pre-clinical models of colitis. Thus, there is growing interest in controlling their biology to generate novel therapeutic approaches capable of reducing exacerbated intestinal inflammation. However, the beneficial and harmful effects of neutrophils on intestinal inflammation are still controversial. With this review, we summarise and discuss the most updated literature showing how neutrophils (and neutrophil extracellular traps) contribute to developing and resolving intestinal inflammation and their putative use as therapeutic targets.
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Thirugnanasambandham I, Radhakrishnan A, Kuppusamy G, Kumar Singh S, Dua K. PEPTIDYLARGININE DEIMINASE-4: MEDICO-FORMULATIVE STRATEGY TOWARDS MANAGEMENT OF RHEUMATOID ARTHRITIS. Biochem Pharmacol 2022; 200:115040. [DOI: 10.1016/j.bcp.2022.115040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/08/2022] [Accepted: 04/08/2022] [Indexed: 12/15/2022]
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Peptidylarginine deiminases 4 as a promising target in drug discovery. Eur J Med Chem 2021; 226:113840. [PMID: 34520958 DOI: 10.1016/j.ejmech.2021.113840] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/21/2021] [Accepted: 09/07/2021] [Indexed: 12/23/2022]
Abstract
Peptidylarginine deaminase 4 (PAD4) is a crucial post-translational modifying enzyme catalyzing the conversion of arginine into citrulline residues, and mediating the formation of neutrophil extracellular traps (NETs). PAD4 plays a vital role in the occurrence and development of cardiovascular diseases, autoimmune diseases, and various tumors. Therefore, PAD4 is considered as a promising drug target for disease diagnosis and treatment. More and more efforts are devoted to developing highly efficient and selective PAD4 inhibitors via high-throughput screening, structure-based drug design and structure-activity relationship study. This article outlined the physiological and pathological functions of PAD4, and corresponding representative small molecule inhibitors reported in recent years.
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Dos Santos Ramos A, Viana GCS, de Macedo Brigido M, Almeida JF. Neutrophil extracellular traps in inflammatory bowel diseases: Implications in pathogenesis and therapeutic targets. Pharmacol Res 2021; 171:105779. [PMID: 34298111 DOI: 10.1016/j.phrs.2021.105779] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 07/04/2021] [Accepted: 07/19/2021] [Indexed: 02/07/2023]
Abstract
Crohn's disease (CD) and ulcerative colitis (UC) are the two main forms of inflammatory bowel disease (IBD). Among the various immune cells involved in IBD, neutrophils are the first to infiltrate and appear to contribute to the impairment of the epithelial barrier, destruction of tissues by oxidative and proteolytic damage, as well as to the perpetuation of inflammation by the release of cytokines and chemokines associated with pro-inflammatory effects. In addition to basic effector mechanisms, such as phagocytosis and chemotaxis, neutrophils can also form extracellular traps (NETs), which is made up of a mesh-like structure - which contains its chromatin (DNA + histones) together with granules and enzymes, such as myeloperoxidase (MPO) and neutrophilic elastase (NE) - and that acts as a trap that can result in the death of extracellular pathogens and/or can promote tissue damage. Recent evidence indicates that NETs also play an important and significant role in the pathogenesis of IBD. Previous studies have reported increased levels of NETs in tissue and serum samples from patients with IBD, as well as in experimental colitis. In this review, we discuss current knowledge about the formation of NETs and their role in the pathophysiology of IBD, pointing out potential mechanisms by which NETs promote tissue damage, as well as their involvement in complications associated with IBD. In addition, we propose potential targets for therapy to regulate the production of NETs, making it possible to expand the current spectrum of therapies for IBD.
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Affiliation(s)
- Anderson Dos Santos Ramos
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil.
| | | | | | - Juliana Franco Almeida
- Department of Cellular Biology, University of Brasilia, Brasilia, Brazil; Department of Cellular and Molecular Biology, Federal University of Paraíba, Paraíba, Brazil.
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Bruggeman Y, Sodré FMC, Buitinga M, Mathieu C, Overbergh L, Kracht MJL. Targeting citrullination in autoimmunity: insights learned from preclinical mouse models. Expert Opin Ther Targets 2021; 25:269-281. [PMID: 33896351 DOI: 10.1080/14728222.2021.1918104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Aberrant citrullination and excessive peptidylarginine deiminase (PAD) activity are detected in numerous challenging autoimmune diseases such as rheumatoid arthritis, inflammatory bowel diseases, systemic lupus erythematosus, multiple sclerosis, and type 1 diabetes. Because excessive PAD activity is a common denominator in these diseases, PADs are interesting potential therapeutic targets for future therapies. AREAS COVERED This review summarizes the advances made in the design of PAD inhibitors, their utilization and therapeutic potential in preclinical mouse models of autoimmunity. Relevant literature encompasses studies from 1994 to 2021 that are available on PubMed.gov. EXPERT OPINION Pan-PAD inhibition is a promising therapeutic strategy for autoimmune diseases. Drugs achieving pan-PAD inhibition were capable of ameliorating, reversing, and preventing clinical symptoms in preclinical mouse models. However, the implications for PADs in key biological processes potentially present a high risk for clinical complications and could hamper the translation of PAD inhibitors to the clinic. We envisage that PAD isozyme-specific inhibitors will improve the understanding the role of PAD isozymes in disease pathology, reduce the risk of side-effects and enhance prospects for future clinical translation.
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Affiliation(s)
- Ylke Bruggeman
- Department of Chronic Diseases and Metabolism, Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Fernanda M C Sodré
- Department of Chronic Diseases and Metabolism, Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Mijke Buitinga
- Department of Chronic Diseases and Metabolism, Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium.,Department of Nutrition and Movement Sciences, Maastricht University, Maastricht, The Netherlands.,Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Chantal Mathieu
- Department of Chronic Diseases and Metabolism, Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Lut Overbergh
- Department of Chronic Diseases and Metabolism, Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Maria J L Kracht
- Department of Chronic Diseases and Metabolism, Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
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Mondal S, Thompson PR. Chemical biology of protein citrullination by the protein A arginine deiminases. Curr Opin Chem Biol 2021; 63:19-27. [PMID: 33676233 DOI: 10.1016/j.cbpa.2021.01.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/19/2021] [Accepted: 01/31/2021] [Indexed: 12/25/2022]
Abstract
Citrullination is a post-translational modification (PTM) that converts peptidyl-arginine into peptidyl-citrulline; citrullination is catalyzed by the protein arginine deiminases (PADs). This PTM is associated with several physiological processes, including the epigenetic regulation of gene expression, neutrophil extracellular trap formation, and DNA-damage induced apoptosis. Notably, aberrant protein citrullination is relevant to several autoimmune and neurodegenerative diseases and certain forms of cancer. As such, the PADs are promising therapeutic targets. In this review, we discuss recent advances in the development of PAD inhibitors and activity-based probes, the development and use of citrulline-specific probes in chemoproteomic applications, and methods to site-specifically incorporate citrulline into proteins.
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Affiliation(s)
- Santanu Mondal
- Department of Biochemistry and Molecular Pharmacology, UMass Medical School, 364 Plantation Street, Worcester, MA, 01605, USA; Program in Chemical Biology, UMass Medical School, 364 Plantation Street, Worcester, MA, 01605, USA
| | - Paul R Thompson
- Department of Biochemistry and Molecular Pharmacology, UMass Medical School, 364 Plantation Street, Worcester, MA, 01605, USA; Program in Chemical Biology, UMass Medical School, 364 Plantation Street, Worcester, MA, 01605, USA.
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Dragoni G, De Hertogh G, Vermeire S. The Role of Citrullination in Inflammatory Bowel Disease: A Neglected Player in Triggering Inflammation and Fibrosis? Inflamm Bowel Dis 2021; 27:134-144. [PMID: 32426830 DOI: 10.1093/ibd/izaa095] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Indexed: 02/07/2023]
Abstract
Citrullination is a posttranslational modification of proteins mediated by a specific family of enzymes called peptidylarginine deiminases (PAD). Dysregulation of these enzymes is involved in the etiology of various diseases, from cancer to autoimmune disorders. In inflammatory bowel disease (IBD), data for a role of citrullination in the disease process are starting to accumulate at different experimental levels including gene expression analyses, RNA, and protein quantifications. Most data have been generated in ulcerative colitis, but data in Crohn disease are lacking so far. In addition, the citrullination of histones is the fundamental process promoting inflammation through the formation of neutrophil extracellular traps (NETs). Interestingly, NETs have also been shown to activate fibroblasts into myofibroblasts in fibrotic interstitial lung disease. Therefore, citrullination merits more thorough study in the bowel to determine its role in driving disease complications such as fibrosis. In this review we describe the process of citrullination and the different players in this pathway, the role of citrullination in autoimmunity with a special focus on IBD, the emerging role for citrullination and NETs in triggering fibrosis, and, finally, how this process could be therapeutically targeted.
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Affiliation(s)
- Gabriele Dragoni
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders, Leuven, Belgium.,Gastroenterology Research Unit, Department of Experimental and Clinical Biomedical Sciences Mario Serio, University of Florence, Florence, Italy.,Department of Medical Biotechnologies, University of Siena, Italy
| | - Gert De Hertogh
- KU Leuven, Department of Imaging and Pathology, Translational Cell & Tissue Research, Leuven, Belgium
| | - Séverine Vermeire
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders, Leuven, Belgium.,Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Leuven, Belgium
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Design and Applications of Bifunctional Small Molecules in Biology. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1869:140534. [PMID: 32871274 DOI: 10.1016/j.bbapap.2020.140534] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 08/17/2020] [Accepted: 08/27/2020] [Indexed: 12/12/2022]
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Streptonigrin at low concentration promotes heterochromatin formation. Sci Rep 2020; 10:3478. [PMID: 32103104 PMCID: PMC7044429 DOI: 10.1038/s41598-020-60469-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 02/04/2020] [Indexed: 11/26/2022] Open
Abstract
Heterochromatin is essential for regulating global gene transcription and protecting genome stability, and may play a role in tumor suppression. Drugs promoting heterochromatin are potential cancer therapeutics but very few are known. In order to identify drugs that can promote heterochromatin, we used a cell-based method and screened NCI drug libraries consisting of oncology drugs and natural compounds. Since heterochromatin is originally defined as intensely stained chromatin in the nucleus, we estimated heterochromatin contents of cells treated with different drugs by quantifying the fluorescence intensity of nuclei stained with Hoechst DNA dye. We used HeLa cells and screened 231 FDA-approved oncology and natural substance drugs included in two NCI drug libraries representing a variety of chemical structures. Among these drugs, streptonigrin most prominently caused an increase in Hoechst-stained nuclear fluorescence intensity. We further show that streptonigrin treated cells exhibit compacted DNA foci in the nucleus that co-localize with Heterochromatin Protein 1 alpha (HP1α), and exhibit an increase in total levels of the heterochromatin mark, H3K9me3. Interestingly, we found that streptonigrin promotes heterochromatin at a concentration as low as one nanomolar, and at this concentration there were no detectable effects on cell proliferation or viability. Finally, in line with a previous report, we found that streptonigrin inhibits STAT3 phosphorylation, raising the possibility that non-canonical STAT function may contribute to the effects of streptonigrin on heterochromatin. These results suggest that, at low concentrations, streptonigrin may primarily enhance heterochromatin formation with little toxic effects on cells, and therefore might be a good candidate for epigenetic cancer therapy.
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Deng H, Lei Q, Wu Y, He Y, Li W. Activity-based protein profiling: Recent advances in medicinal chemistry. Eur J Med Chem 2020; 191:112151. [PMID: 32109778 DOI: 10.1016/j.ejmech.2020.112151] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 02/04/2020] [Accepted: 02/13/2020] [Indexed: 02/05/2023]
Abstract
Activity-based protein profiling (ABPP) has become an emerging chemical proteomic approach to illustrate the interaction mechanisms between compounds and proteins. This approach has combined organic synthesis, biochemistry, cell biology, biophysics and bioinformatics to accelerate the process of drug discovery in target identification and validation, as well as in the stage of lead discovery and optimization. This review will summarize new developments and applications of ABPP in medicinal chemistry. Here, we mainly described the design principles of activity-base probes (ABPs) and general workflows of ABPP approach. Moreover, we discussed various basic and advanced ABPP strategies and their applications in medicinal chemistry, including competitive and comparative ABPP, two-step ABPP, fluorescence polarization ABPP (FluoPol-ABPP) and ABPs for visualization. In conclusion, this review will give a general overview of the applications of ABPP as a powerful and efficient technique in medicinal chemistry.
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Affiliation(s)
- Hui Deng
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China; Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
| | - Qian Lei
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China; Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Yangping Wu
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China; Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Yang He
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China; Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Weimin Li
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China; Targeted Tracer Research and Development Laboratory, Precision Medicine Key Laboratory of Sichuan Province & Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
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18
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Alghamdi M, Al Ghamdi KA, Khan RH, Uversky VN, Redwan EM. An interplay of structure and intrinsic disorder in the functionality of peptidylarginine deiminases, a family of key autoimmunity-related enzymes. Cell Mol Life Sci 2019; 76:4635-4662. [PMID: 31342121 PMCID: PMC11105357 DOI: 10.1007/s00018-019-03237-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 07/16/2019] [Accepted: 07/18/2019] [Indexed: 12/21/2022]
Abstract
Citrullination is a post-translation modification of proteins, where the proteinaceous arginine residues are converted to non-coded citrulline residues. The immune tolerance to such citrullinated protein can be lost, leading to inflammatory and autoimmune diseases. Citrullination is a chemical reaction mediated by peptidylarginine deiminase enzymes (PADs), which are a family of calcium-dependent cysteine hydrolase enzymes that includes five isotypes: PAD1, PAD2, PAD3, PAD4, and PAD6. Each PAD has specific substrates and tissue distribution, where it modifies the arginine to produce a citrullinated protein with altered structure and function. All mammalian PADs have a sequence similarity of about 70-95%, whereas in humans, they are 50-55% homologous in their structure and amino acid sequences. Being calcium-dependent hydrolases, PADs are inactive under the physiological level of calcium, but could be activated due to distortions in calcium homeostasis, or when the cellular calcium levels are increased. In this article, we analyze some of the currently available data on the structural properties of human PADs, the mechanisms of their calcium-induced activation, and show that these proteins contain functionally important regions of intrinsic disorder. Citrullination represents an important trigger of multiple physiological and pathological processes, and as a result, PADs are recognized to play a number of important roles in autoimmune diseases, cancer, and neurodegeneration. Therefore, we also review the current state of the art in the development of PAD inhibitors with good potency and selectivity.
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Affiliation(s)
- Mohammed Alghamdi
- Biological Sciences Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
- Laboratory Department, University Medical Services Center, King Abdulaziz University, P.O. Box 80200, Jeddah, 21589, Saudi Arabia
| | - Khaled A Al Ghamdi
- Biological Sciences Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Rizwan H Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, UP, India
| | - Vladimir N Uversky
- Biological Sciences Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Protein Research Group, Institute for Biological Instrumentation of the Russian Academy of Sciences, 7 Institutskaya Str., 142290, Pushchino, Moscow region, Russia.
- Department of Molecular Medicine and USF Health Byrd Alzheimer's Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, USA.
| | - Elrashdy M Redwan
- Biological Sciences Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Therapeutic and Protective Proteins Laboratory, Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City for Scientific Research and Technology Applications, New Borg EL-Arab, Alexandria, 21934, Egypt.
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Zhang J, Shukla V, Boger DL. Inverse Electron Demand Diels-Alder Reactions of Heterocyclic Azadienes, 1-Aza-1,3-Butadienes, Cyclopropenone Ketals, and Related Systems. A Retrospective. J Org Chem 2019; 84:9397-9445. [PMID: 31062977 DOI: 10.1021/acs.joc.9b00834] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A summary of the investigation and applications of the inverse electron demand Diels-Alder reaction is provided that have been conducted in our laboratory over a period that now spans more than 35 years. The work, which continues to provide solutions to complex synthetic challenges, is presented in the context of more than 70 natural product total syntheses in which the reactions served as a key strategic step in the approach. The studies include the development and use of the cycloaddition reactions of heterocyclic azadienes (1,2,4,5-tetrazines; 1,2,4-, 1,3,5-, and 1,2,3-triazines; 1,2-diazines; and 1,3,4-oxadiazoles), 1-aza-1,3-butadienes, α-pyrones, and cyclopropenone ketals. Their applications illustrate the power of the methodology, often provided concise and nonobvious total syntheses of the targeted natural products, typically were extended to the synthesis of analogues that contain deep-seated structural changes in more comprehensive studies to explore or optimize their biological properties, and highlight a wealth of opportunities not yet tapped.
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Affiliation(s)
- Jiajun Zhang
- Department of Chemistry and The Skaggs Institute for Chemical Biology , The Scripps Research Institute , 10550 North Torrey Pines Road , La Jolla , California 92037 , United States
| | - Vyom Shukla
- Department of Chemistry and The Skaggs Institute for Chemical Biology , The Scripps Research Institute , 10550 North Torrey Pines Road , La Jolla , California 92037 , United States
| | - Dale L Boger
- Department of Chemistry and The Skaggs Institute for Chemical Biology , The Scripps Research Institute , 10550 North Torrey Pines Road , La Jolla , California 92037 , United States
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Mondal S, Thompson PR. Protein Arginine Deiminases (PADs): Biochemistry and Chemical Biology of Protein Citrullination. Acc Chem Res 2019; 52:818-832. [PMID: 30844238 DOI: 10.1021/acs.accounts.9b00024] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Proteins are well-known to undergo a variety of post-translational modifications (PTMs). One such PTM is citrullination, an arginine modification that is catalyzed by a group of hydrolases called protein arginine deiminases (PADs). Hundreds of proteins are known to be citrullinated and hypercitrullination is associated with autoimmune diseases including rheumatoid arthritis (RA), lupus, ulcerative colitis (UC), Alzheimer's disease, multiple sclerosis (MS), and certain cancers. In this Account, we summarize our efforts to understand the structure and mechanism of the PADs and to develop small molecule chemical probes of protein citrullination. PAD activity is highly regulated by calcium. Structural studies with PAD2 revealed that calcium-binding occurs in a stepwise fashion and induces a series of dramatic conformational changes to form a catalytically competent active site. These studies also identified the presence of a calcium-switch that controls the overall calcium-dependence and a gatekeeper residue that shields the active site in the absence of calcium. Using biochemical and site-directed mutagenesis studies, we identified the key residues (two aspartates, a cysteine, and a histidine) responsible for catalysis and proposed a general mechanism of citrullination. Although all PADs follow this mechanism, substrate binding to the thiolate or thiol form of the enzyme varies for different isozymes. Substrate-specificity studies revealed that PADs 1-4 prefer peptidyl-arginine over free arginine and certain citrullination sites on a peptide substrate. Using high-throughput screening and activity-based protein profiling (ABPP), we identified several reversible (streptomycin, minocycline, and chlorotetracycline) and irreversible (streptonigrin, NSC 95397) PAD-inhibitors. Screening of a DNA-encoded library and lead-optimization led to the development of GSK199 and GSK484 as highly potent PAD4-selective inhibitors. Furthermore, use of an electrophilic, cysteine-targeted haloacetamidine warhead to mimic the guanidinium group in arginine afforded several mechanism-based pan-PAD-inhibitors including Cl-amidine and BB-Cl-amidine. These compounds are highly efficacious in various animal models, including those mimicking RA, UC, and lupus. Structure-activity relationships identified numerous covalent PAD-inhibitors with different bioavailability, in vivo stability, and isozyme-selectivity (PAD1-selective: D-Cl-amidine; PAD2-selective: compounds 16-20; PAD3-selective: Cl4-amidine; and PAD4-selective: TDFA). Finally, this Account describes the development of PAD-targeted and citrulline-specific chemical probes. While PAD-targeted probes were utilized for identifying off-targets and developing high-throughput inhibitor screening platforms, citrulline-specific probes enabled the proteomic identification of novel diagnostic biomarkers of hypercitrullination-related autoimmune diseases.
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Affiliation(s)
- Santanu Mondal
- Department of Biochemistry and Molecular Pharmacology, UMass Medical School, 364 Plantation Street, Worcester, Massachusetts 01605, United States
- Program in Chemical Biology, UMass Medical School, 364 Plantation Street, Worcester, Massachusetts 01605, United States
| | - Paul R. Thompson
- Department of Biochemistry and Molecular Pharmacology, UMass Medical School, 364 Plantation Street, Worcester, Massachusetts 01605, United States
- Program in Chemical Biology, UMass Medical School, 364 Plantation Street, Worcester, Massachusetts 01605, United States
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21
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Guo Z, Shi L, Wang B, He G, Wang Y, Chen G. Synthesis of reversible PAD4 inhibitors via copper-catalyzed C−H arylation of benzimidazole. Sci China Chem 2019. [DOI: 10.1007/s11426-018-9409-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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Tjin CC, Wissner RF, Jamali H, Schepartz A, Ellman JA. Synthesis and Biological Evaluation of an Indazole-Based Selective Protein Arginine Deiminase 4 (PAD4) Inhibitor. ACS Med Chem Lett 2018; 9:1013-1018. [PMID: 30344909 DOI: 10.1021/acsmedchemlett.8b00283] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 09/14/2018] [Indexed: 12/22/2022] Open
Abstract
Protein arginine deiminase 4 (PAD4) is a calcium-dependent enzyme that catalyzes the conversion of arginine to citrulline within target proteins. Dysregulation of PAD4 has been implicated in a number of human diseases, including rheumatoid arthritis and other inflammatory diseases as well as cancer. In this study, we report on the design, synthesis, and evaluation of a new class of haloacetamidine-based compounds as potential PAD4 inhibitors. Specifically, we describe the identification of 4,5,6-trichloroindazole 24 as a highly potent PAD4 inhibitor that displays >10-fold selectivity for PAD4 over PAD3 and >50-fold over PAD1 and PAD2. The efficacy of this compound in cells was determined by measuring the inhibition of PAD4-mediated H4 citrullination in HL-60 granulocytes.
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23
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New quinoline- and isoquinoline-based multicomponent methods for the synthesis of 1,1(3,3)-dicyanotetrahydrobenzoindolizines. Russ Chem Bull 2018. [DOI: 10.1007/s11172-018-2073-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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24
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Wang S, Tian Y, Wang M, Wang M, Sun GB, Sun XB. Advanced Activity-Based Protein Profiling Application Strategies for Drug Development. Front Pharmacol 2018; 9:353. [PMID: 29686618 PMCID: PMC5900428 DOI: 10.3389/fphar.2018.00353] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 03/27/2018] [Indexed: 12/28/2022] Open
Abstract
Drug targets and modes of action remain two of the biggest challenges in drug development. To address these problems, chemical proteomic approaches have been introduced to profile targets in complex proteomes. Activity-based protein profiling (ABPP) is one of a growing number chemical proteomic approaches that uses small-molecule chemical probes to understand the interaction mechanisms between compounds and targets. ABPP can be used to identify the protein targets of small molecules and even the active sites of target proteins. This review focuses on the overall workflow of the ABPP technology and on additional advanced strategies for target identification and/or drug discovery. Herein, we mainly describe the design strategies for small-molecule probes and discuss the ways in which these probes can be used to identify targets and even validate the interactions of small molecules with targets. In addition, we discuss some basic strategies that have been developed to date, such as click chemistry-ABPP, competitive strategies and, recently, more advanced strategies, including isoTOP-ABPP, fluoPol-ABPP, and qNIRF-ABPP. The isoTOP-ABPP strategy has been coupled with quantitative proteomics to identify the active sites of proteins and explore whole proteomes with specific amino acid profiling. FluoPol-ABPP combined with HTS can be used to discover new compounds for some substrate-free enzymes. The qNIRF-ABPP strategy has a number of applications for in vivo imaging. In this review, we will further discuss the applications of these advanced strategies.
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Affiliation(s)
- Shan Wang
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yu Tian
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Min Wang
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Min Wang
- Life and Environmental Science Research Center, Harbin University of Commerce, Harbin, China
| | - Gui-Bo Sun
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao-Bo Sun
- Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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25
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Development of a fluorescent probe for detection of citrulline based on photo-induced electron transfer. Bioorg Med Chem Lett 2018; 28:969-973. [PMID: 29439901 DOI: 10.1016/j.bmcl.2018.01.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 01/13/2018] [Accepted: 01/16/2018] [Indexed: 01/11/2023]
Abstract
Peptidyl arginine deiminases (PADs) catalyze the post-translational deimination of peptidyl arginine residues to form citrulline residues. Aberrant citrullination of histones by one of the PAD isozymes, PAD4, is associated with various diseases, including rheumatoid arthritis, so high-throughput screening systems are needed to identify PAD4 inhibitors as chemical tools to investigate the role of PAD4, and as candidate therapeutic agents. Here, we utilized the addition-cyclization reaction between phenylglyoxal and citrulline under acidic conditions to design turn-on fluorescent probes for citrulline based on the donor-excited photoinduced electron transfer (d-PeT) mechanism. Among several derivatives of phenylglyoxal bearing a fluorescent moiety, we found that FGME enabled detection of citrulline without a neutralization process, and we used it to establish a simple methodology for turn-on fluorescence detection of citrulline.
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26
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Development of Activity-Based Proteomic Probes for Protein Citrullination. Curr Top Microbiol Immunol 2018; 420:233-251. [PMID: 30203394 DOI: 10.1007/82_2018_132] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Protein arginine deiminases (PADs) catalyze the post-translational deimination of peptidyl arginine to form peptidyl citrulline. This modification is increased in multiple inflammatory diseases and in certain cancers. PADs regulate a variety of signaling pathways including apoptosis, terminal differentiation, and transcriptional regulation. Activity-based protein profiling (ABPP) probes have been developed to understand the role of the PADs in vivo and to investigate the effect of protein citrullination in various pathological conditions. Furthermore, these ABPPs have been utilized as a platform for high-throughput inhibitor discovery. This review will showcase the development of ABPPs targeting the PADs. In addition, it provides a brief overview of PAD structure and function along with recent advances in PAD inhibitor development.
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Abstract
Cysteine thiols are involved in a diverse set of biological transformations, including nucleophilic and redox catalysis, metal coordination and formation of both dynamic and structural disulfides. Often posttranslationally modified, cysteines are also frequently alkylated by electrophilic compounds, including electrophilic metabolites, drugs, and natural products, and are attractive sites for covalent probe and drug development. Quantitative proteomics combined with activity-based protein profiling has been applied to annotate cysteine reactivity, susceptibility to posttranslational modifications, and accessibility to chemical probes, uncovering thousands of functional and small-molecule targetable cysteines across a diverse set of proteins, proteome-wide in an unbiased manner. Reactive cysteines have been targeted by high-throughput screening and fragment-based ligand discovery efforts. New cysteine-reactive electrophiles and compound libraries have been synthesized to enable inhibitor discovery broadly and to minimize nonspecific toxicity and off-target activity of compounds. With the recent blockbuster success of several covalent inhibitors, and the development of new chemical proteomic strategies to broadly identify reactive, ligandable and posttranslationally modified cysteines, cysteine profiling is poised to enable the development of new potent and selective chemical probes and even, in some cases, new drugs.
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28
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Teo CY, Tejo BA, Leow ATC, Salleh AB, Abdul Rahman MB. Novel furan-containing peptide-based inhibitors of protein arginine deiminase type IV (PAD4). Chem Biol Drug Des 2017; 90:1134-1146. [PMID: 28581157 DOI: 10.1111/cbdd.13033] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 03/13/2017] [Accepted: 05/15/2017] [Indexed: 01/12/2023]
Abstract
Protein arginine deiminase type IV (PAD4) is responsible for the posttranslational conversion of peptidylarginine to peptidylcitrulline. Citrullinated protein is the autoantigen in rheumatoid arthritis, and therefore, PAD4 is currently a promising therapeutic target for the disease. Recently, we reported the importance of the furan ring in the structure of PAD4 inhibitors. In this study, the furan ring was incorporated into peptides to act as the "warhead" of the inhibitors for PAD4. IC50 studies showed that the furan-containing peptide-based inhibitors were able to inhibit PAD4 to a better extent than the furan-containing small molecules that were previously reported. The best peptide-based inhibitor inhibited PAD4 reversibly and competitively with an IC50 value of 243.2 ± 2.4 μm. NMR spectroscopy and NMR-restrained molecular dynamic simulations revealed that the peptide-based inhibitor had a random structure. Molecular docking studies showed that the peptide-based inhibitor entered the binding site and interacted with the essential amino acids involved in the catalytic activity. The peptide-based inhibitor could be further developed into a therapeutic drug for rheumatoid arthritis.
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Affiliation(s)
- Chian Ying Teo
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Bimo A Tejo
- Faculty of Applied Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Adam Thean Chor Leow
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Abu Bakar Salleh
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia
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Zhai Q, Wang L, Zhao P, Li T. Role of citrullination modification catalyzed by peptidylarginine deiminase 4 in gene transcriptional regulation. Acta Biochim Biophys Sin (Shanghai) 2017; 49:567-572. [PMID: 28472221 DOI: 10.1093/abbs/gmx042] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 04/06/2017] [Indexed: 12/20/2022] Open
Abstract
Peptidylarginine deiminase 4 (PADI4), a new histone modification enzyme, which converts both arginine and monomethyl-arginine to citrulline, has gained massive attention in recent years as a potential regulator of gene transcription. Recent studies have shown that arginine residues R2, R8, R17, and R26 in the H3 tail and R3 in the H4 tail can be deiminated by PADI4. This kind of histone post-translational modification has the potential to antagonize histone methylation and coordinate with histone deacetylation to regulate gene transcription. PADI4 also deiminates non-histone proteins, such as p300, NPM1, ING4, RPS2, and DNMT3A. PADI4 has been shown to involve in cell apoptosis and differentiation. Moreover, PADI4 can interact with tumor suppressor p53 and regulate the transcriptional activity of p53. Dysregulation of PADI4 is implicated in a variety of diseases, including rheumatoid arthritis, tumor development, and multiple sclerosis. A wide variety of PADI4 inhibitors have been identified. Further understanding of PADI4 functions may lead to novel diagnostic and therapeutic approaches in these diseases. This review summarizes the recent progress in the study of the regulation mechanism of PADI4 on gene transcription and the major physiological functions of PADI4 in human diseases.
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Affiliation(s)
- Qiaoli Zhai
- Center of Translational Medicine, Central Hospital of Zibo, Shandong University, Zibo 255036, China
| | - Lianqing Wang
- Center of Translational Medicine, Central Hospital of Zibo, Shandong University, Zibo 255036, China
| | - Peiqing Zhao
- Center of Translational Medicine, Central Hospital of Zibo, Shandong University, Zibo 255036, China
| | - Tao Li
- Center of Translational Medicine, Central Hospital of Zibo, Shandong University, Zibo 255036, China
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30
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Sameshima T, Tanaka Y, Miyahisa I. Universal and Quantitative Method To Evaluate Inhibitor Potency for Cysteinome Proteins Using a Nonspecific Activity-Based Protein Profiling Probe. Biochemistry 2017; 56:2921-2927. [PMID: 28520393 DOI: 10.1021/acs.biochem.7b00190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Recently, there have been a limited number of new, validated targets for small-molecule drug discovery in the pharmaceutical industry. Although there are approximately 30 000 genes in the human genome, only 2% are targeted by currently approved small-molecule drugs. One reason that many targets remain neglected by drug discovery programs is the absence of biochemical assays enabling evaluation of the potency of inhibitors in a quantitative and high-throughput manner. To overcome this issue, we developed a biochemical assay to evaluate the potency of both reversible and irreversible inhibitors using a nonspecific thiol-labeling fluorescent probe. The assay can be applied to any targets with a cysteine residue in a pocket that can accommodate small-molecule ligands. By constructing a mathematical model, we showed that the potency of compounds can be quantitatively evaluated by performing an activity-based protein profiling assay. In addition, the validity of the theory was confirmed experimentally using epidermal growth factor receptor kinase as a model target. This approach provides an assay system for targets for which biochemical assays cannot be developed. Our approach can potentially not only expand the number of exploitable targets but also accelerate the lead optimization process by providing quantitative structure-activity relationship information.
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Affiliation(s)
- Tomoya Sameshima
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited , 26-1, Muraoka-higashi 2 chome, Fujisawa, Kanagawa, Japan
| | - Yukiya Tanaka
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited , 26-1, Muraoka-higashi 2 chome, Fujisawa, Kanagawa, Japan
| | - Ikuo Miyahisa
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited , 26-1, Muraoka-higashi 2 chome, Fujisawa, Kanagawa, Japan
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31
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Expression of peptidylarginine deiminase 4 in an alkali injury model of retinal gliosis. Biochem Biophys Res Commun 2017; 487:134-139. [PMID: 28400047 DOI: 10.1016/j.bbrc.2017.04.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 04/07/2017] [Indexed: 11/20/2022]
Abstract
Citrullination is an important posttranslational modification that occurs during retinal gliosis. We examined the expression of peptidyl arginine deiminases (PADs) to identify the PADs that mediate citrullination in a model of alkali-induced retinal gliosis. Mouse corneas were exposed to 1.0 N NaOH and posterior eye tissue from injured and control uninjured eyes was evaluated for transcript levels of various PADs by reverse-transcription polymerase chain reaction (RT-PCR), and quantitative RT-PCR (qPCR). Retinas were also subjected to immunohistochemistry (IHC) for glial fibrillary acidic protein (GFAP), citrullinated species, PAD2, and PAD4 and tissue levels of GFAP, citrullinated species, and PAD4 were measured by western blots. In other experiments, the PAD4 inhibitor streptonigrin was injected intravitreally into injured eyes ex vivo to test inhibitory activity in an organ culture system. We found that uninjured retina and choroid expressed Pad2 and Pad4 transcripts. Pad4 transcript levels increased by day 7 post-injury (p < 0.05), whereas Pad2 levels did not change significantly (p > 0.05) by qPCR. By IHC, PAD2 was expressed in uninjured eyes along ganglion cell astrocytes, but in injured retina PAD2 was downregulated at 7 days. On the other hand, PAD4 showed increased staining in the retina upon injury revealing a pattern that overlapped with filamentous GFAP staining in Müller glial processes by 7 days. Injury-induced citrullination and soluble GFAP protein levels were reduced by PAD4 inhibition in western blot experiments of organ cultures. Together, our findings for the first time identify PAD4 as a novel injury-inducible druggable target for retinal gliosis.
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Koushik S, Joshi N, Nagaraju S, Mahmood S, Mudeenahally K, Padmavathy R, Jegatheesan SK, Mullangi R, Rajagopal S. PAD4: pathophysiology, current therapeutics and future perspective in rheumatoid arthritis. Expert Opin Ther Targets 2017; 21:433-447. [PMID: 28281906 DOI: 10.1080/14728222.2017.1294160] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Peptidyl arginine deiminase 4 (PAD4) is an enzyme that plays an important role in gene expression, turning out genetic code into functional products in the body. It is involved in a key post translational modification, which involves the conversion of arginine to citrulline. It regulates various processes such as apoptosis, innate immunity and pluripotency, while its dysregulation has a great impact on the genesis of various diseases. Over the last few years PAD4 has emerged as a potential therapeutic target for the treatment of rheumatoid arthritis (RA). Areas covered: In this review, we discuss the basic structure and function of PAD4, along with the role of altered PAD4 activity in the onset of RA and other maladies. We also elucidate the role of PAD4 variants in etiology of RA among several ethnic groups and the current pre-clinical inhibitors to regulate PAD4. Expert opinion: Citrullination has a crucial role in RA and several other disorders. Since PAD4 is an initiator of the citrullination, it is an important therapeutic target for inflammatory diseases. Therefore, an in depth knowledge of the roles and activity of PAD4 is required to explore more effective ways to conquer PAD4 related ailments, especially RA.
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Affiliation(s)
- Sindhu Koushik
- a Bioinformatics , Jubilant Biosys Ltd ., Bangalore , India
| | - Nivedita Joshi
- a Bioinformatics , Jubilant Biosys Ltd ., Bangalore , India
| | | | - Sameer Mahmood
- a Bioinformatics , Jubilant Biosys Ltd ., Bangalore , India
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Zhao J, Yang L, Tang Y, Yang Y, Yin Y. Supramolecular Chemistry-Assisted Electrochemical Method for the Assay of Endogenous Peptidylarginine Deiminases Activities. ACS APPLIED MATERIALS & INTERFACES 2017; 9:152-158. [PMID: 27958698 DOI: 10.1021/acsami.6b13091] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Peptidylarginine deiminase 4 (PAD4) is the only isoform of PADs located within the cell nucleus, which has been known to be related to several human diseases. In this work, we have proposed an electrochemical method for the assay of endogenous PAD4 activities as well as the studies of PAD4 inhibitors by making use of the supramolecular chemistry-assisted signal labeling. Specifically, peptide probes P1 and P2, which separately contain cysteine residues and tripeptides FGG (Phe-Gly-Gly), can be self-assembled onto the surface of the gold electrode and silver nanoparticles, respectively. In the meantime, the peptide probes can be connected together through cucurbit[8]uril-mediated host-guest interaction. Nevertheless, after trypsin-catalyzed digestion, FGG at the N-terminal of P1 will be removed from the electrode surface, thereby inhibiting the connection of P1 and P2. Since PAD4 catalyzes the citrullination of arginine residue within P1, trypsin-catalyzed digestion of P1 can be prohibited by the addition of PAD4. Consequently, an obvious change of the electrochemical response can be obtained from the silver nanoparticles (AgNPs) immobilized on the electrode surface. Experimental results have shown that our method can display an improved sensitivity and specificity for both PAD4 assay and inhibitor screening, which may effectively trace endogenous PAD4 and the inhibitors in the cancer cells. Therefore, our method may have great potential for the diagnosis and treatment of PAD4-related diseases in the future.
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Affiliation(s)
- Jing Zhao
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University , Shanghai 200444, P. R. China
| | - Lili Yang
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University , Shanghai 200444, P. R. China
| | - Yingying Tang
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University , Shanghai 200444, P. R. China
| | - Yucai Yang
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University , Nanjing 210029, P. R. China
| | - Yongmei Yin
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University , Nanjing 210029, P. R. China
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Wei Y, Liu R, Liu C, Jin J, Li D, Lin J. Identification of novel PAD4 inhibitors based on a pharmacophore model derived from transition state coordinates. J Mol Graph Model 2017; 72:88-95. [PMID: 28064083 DOI: 10.1016/j.jmgm.2016.11.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 11/03/2016] [Accepted: 11/29/2016] [Indexed: 11/19/2022]
Abstract
1.4 Protein arginine deiminases 4 (PAD4) is an attractive target for the development of novel and selective inhibitors of Rheumatoid Arthritis (RA). F-amidine is known as mechanism-based inhibitor targeting PAD4 and used as inactivators by covalently modifying the active site Cys645. To identify novel structural inhibitors of PAD4, we investigated the flexibility of protein on basis of the transition state geometry of PAD4 inhibited by F-amidine from our previous QM/MM calculation. And a pharmacophore model was generated containing four features (ADHH) using five representative structures from molecular dynamic (MD) simulation on basis of the transition state geometry of PAD4 inhibited by F-amidine. We performed virtual screening using the pharmacophore model and molecular docking methods, resulting in the discovery of two molecules with KD (dissociation equilibrium constant) values of 112μM and 218μΜ against PAD4 through Surface Plasmon Resonance (SPR) experiments. These two molecules could potentially serve as PAD4 inhibitors.
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Affiliation(s)
- Yu Wei
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin 300353, China
| | - Ruihua Liu
- College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Cui Liu
- Biodesign Center, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Jin Jin
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin 300353, China.
| | - Dongmei Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin 300353, China.
| | - Jianping Lin
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Haihe Education Park, 38 Tongyan Road, Tianjin 300353, China; Biodesign Center, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
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Hall MD, Yasgar A, Peryea T, Braisted JC, Jadhav A, Simeonov A, Coussens NP. Fluorescence polarization assays in high-throughput screening and drug discovery: a review. Methods Appl Fluoresc 2016; 4:022001. [PMID: 28809163 DOI: 10.1088/2050-6120/4/2/022001] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The sensitivity of fluorescence polarization (FP) and fluorescence anisotropy (FA) to molecular weight changes has enabled the interrogation of diverse biological mechanisms, ranging from molecular interactions to enzymatic activity. Assays based on FP/FA technology have been widely utilized in high-throughput screening (HTS) and drug discovery due to the homogenous format, robust performance and relative insensitivity to some types of interferences, such as inner filter effects. Advancements in assay design, fluorescent probes, and technology have enabled the application of FP assays to increasingly complex biological processes. Herein we discuss different types of FP/FA assays developed for HTS, with examples to emphasize the diversity of applicable targets. Furthermore, trends in target and fluorophore selection, as well as assay type and format, are examined using annotated HTS assays within the PubChem database. Finally, practical considerations for the successful development and implementation of FP/FA assays for HTS are provided based on experience at our center and examples from the literature, including strategies for flagging interference compounds among a list of hits.
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Affiliation(s)
- Matthew D Hall
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD, USA
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Abstract
The post-translational modification of arginine residues represents a key mechanism for the epigenetic control of gene expression. Aberrant levels of histone arginine modifications have been linked to the development of several diseases including cancer. In recent years, great progress has been made in understanding the physiological role of individual arginine modifications and their effects on chromatin function. The present review aims to summarize the structural and functional aspects of histone arginine modifying enzymes and their impact on gene transcription. We will discuss the potential for targeting these proteins with small molecules in a variety of disease states.
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Affiliation(s)
- Jakob Fuhrmann
- Department
of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Paul R. Thompson
- Department
of Biochemistry and Molecular Pharmacology, UMass Medical School, 364 Plantation Street, Worcester, Massachusetts 01605, United States
- Program
in Chemical Biology, UMass Medical School, 364 Plantation Street, Worcester, Massachusetts 01605, United States
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Chen B, Ge SS, Zhao YC, Chen C, Yang S. Activity-based protein profiling: an efficient approach to study serine hydrolases and their inhibitors in mammals and microbes. RSC Adv 2016. [DOI: 10.1039/c6ra20006k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
This review focuses on the identification of serine hydrolases and their inhibitors in mammals and microbes with activity-based protein profiling (ABPP).
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Affiliation(s)
- Biao Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agricultural Bioengineering
- Ministry of Education
- Center for R&D of Fine Chemicals of Guizhou University
- Guiyang
| | - Sha-Sha Ge
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agricultural Bioengineering
- Ministry of Education
- Center for R&D of Fine Chemicals of Guizhou University
- Guiyang
| | - Yuan-Chao Zhao
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agricultural Bioengineering
- Ministry of Education
- Center for R&D of Fine Chemicals of Guizhou University
- Guiyang
| | - Chong Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agricultural Bioengineering
- Ministry of Education
- Center for R&D of Fine Chemicals of Guizhou University
- Guiyang
| | - Song Yang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agricultural Bioengineering
- Ministry of Education
- Center for R&D of Fine Chemicals of Guizhou University
- Guiyang
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Fuhrmann J, Clancy K, Thompson PR. Chemical biology of protein arginine modifications in epigenetic regulation. Chem Rev 2015; 115:5413-61. [PMID: 25970731 PMCID: PMC4463550 DOI: 10.1021/acs.chemrev.5b00003] [Citation(s) in RCA: 206] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Indexed: 01/10/2023]
Affiliation(s)
- Jakob Fuhrmann
- Department
of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Kathleen
W. Clancy
- Department of Biochemistry and Molecular Pharmacology and Program in Chemical
Biology, University of Massachusetts Medical
School, 364 Plantation
Street, Worcester, Massachusetts 01605, United States
| | - Paul R. Thompson
- Department of Biochemistry and Molecular Pharmacology and Program in Chemical
Biology, University of Massachusetts Medical
School, 364 Plantation
Street, Worcester, Massachusetts 01605, United States
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Schreiber SL, Kotz JD, Li M, Aubé J, Austin CP, Reed JC, Rosen H, White EL, Sklar LA, Lindsley CW, Alexander BR, Bittker JA, Clemons PA, de Souza A, Foley MA, Palmer M, Shamji AF, Wawer MJ, McManus O, Wu M, Zou B, Yu H, Golden JE, Schoenen FJ, Simeonov A, Jadhav A, Jackson MR, Pinkerton AB, Chung TDY, Griffin PR, Cravatt BF, Hodder PS, Roush WR, Roberts E, Chung DH, Jonsson CB, Noah JW, Severson WE, Ananthan S, Edwards B, Oprea TI, Conn PJ, Hopkins CR, Wood MR, Stauffer SR, Emmitte KA. Advancing Biological Understanding and Therapeutics Discovery with Small-Molecule Probes. Cell 2015; 161:1252-65. [PMID: 26046436 PMCID: PMC4564295 DOI: 10.1016/j.cell.2015.05.023] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Indexed: 02/06/2023]
Abstract
Small-molecule probes can illuminate biological processes and aid in the assessment of emerging therapeutic targets by perturbing biological systems in a manner distinct from other experimental approaches. Despite the tremendous promise of chemical tools for investigating biology and disease, small-molecule probes were unavailable for most targets and pathways as recently as a decade ago. In 2005, the NIH launched the decade-long Molecular Libraries Program with the intent of innovating in and broadening access to small-molecule science. This Perspective describes how novel small-molecule probes identified through the program are enabling the exploration of biological pathways and therapeutic hypotheses not otherwise testable. These experiences illustrate how small-molecule probes can help bridge the chasm between biological research and the development of medicines but also highlight the need to innovate the science of therapeutic discovery.
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Affiliation(s)
- Stuart L Schreiber
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA; Howard Hughes Medical Institute, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Center for the Science of Therapeutics, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
| | - Joanne D Kotz
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Center for the Science of Therapeutics, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
| | - Min Li
- Johns Hopkins School of Medicine Ion Channel Center, Baltimore, MD 21205, USA
| | - Jeffrey Aubé
- University of Kansas Specialized Chemistry Center, Lawrence, KS 66045, USA; Department of Medicinal Chemistry, University of Kansas, Lawrence, KS, 66045, USA
| | - Christopher P Austin
- NIH Chemical Genomics Center, National Institutes of Health, Rockville, MD 20850, USA; National Center for Advancing Translational Sciences, Bethesda, MD 20892, USA
| | - John C Reed
- Conrad Prebys Center for Chemical Genomics, Sanford-Burnham Medical Research Institute, La Jolla, CA 92037, and Lake Nona, FL 32827, USA
| | - Hugh Rosen
- Molecular Screening Center, The Scripps Research Institute, La Jolla, CA 92037, and Jupiter, FL 33458, USA; Department of Chemical Physiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - E Lucile White
- Southern Research Specialized Biocontainment Screening Center, Southern Research Institute, Birmingham, AL 35205, USA
| | - Larry A Sklar
- University of New Mexico Center for Molecular Discovery, Albuquerque, NM 87131, USA; Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Craig W Lindsley
- The Vanderbilt Specialized Chemistry Center for Accelerated Probe Development, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Benjamin R Alexander
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Medical and Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Joshua A Bittker
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Center for the Development of Therapeutics, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Paul A Clemons
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Center for the Science of Therapeutics, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Andrea de Souza
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Michael A Foley
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Michelle Palmer
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Alykhan F Shamji
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Center for the Science of Therapeutics, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Mathias J Wawer
- Probe Development Center, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Center for the Science of Therapeutics, Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Owen McManus
- Johns Hopkins School of Medicine Ion Channel Center, Baltimore, MD 21205, USA
| | - Meng Wu
- Johns Hopkins School of Medicine Ion Channel Center, Baltimore, MD 21205, USA
| | - Beiyan Zou
- Johns Hopkins School of Medicine Ion Channel Center, Baltimore, MD 21205, USA
| | - Haibo Yu
- Johns Hopkins School of Medicine Ion Channel Center, Baltimore, MD 21205, USA
| | - Jennifer E Golden
- University of Kansas Specialized Chemistry Center, Lawrence, KS 66045, USA
| | - Frank J Schoenen
- University of Kansas Specialized Chemistry Center, Lawrence, KS 66045, USA
| | - Anton Simeonov
- NIH Chemical Genomics Center, National Institutes of Health, Rockville, MD 20850, USA; National Center for Advancing Translational Sciences, Bethesda, MD 20892, USA
| | - Ajit Jadhav
- NIH Chemical Genomics Center, National Institutes of Health, Rockville, MD 20850, USA; National Center for Advancing Translational Sciences, Bethesda, MD 20892, USA
| | - Michael R Jackson
- Conrad Prebys Center for Chemical Genomics, Sanford-Burnham Medical Research Institute, La Jolla, CA 92037, and Lake Nona, FL 32827, USA
| | - Anthony B Pinkerton
- Conrad Prebys Center for Chemical Genomics, Sanford-Burnham Medical Research Institute, La Jolla, CA 92037, and Lake Nona, FL 32827, USA
| | - Thomas D Y Chung
- Conrad Prebys Center for Chemical Genomics, Sanford-Burnham Medical Research Institute, La Jolla, CA 92037, and Lake Nona, FL 32827, USA
| | - Patrick R Griffin
- Molecular Screening Center, The Scripps Research Institute, La Jolla, CA 92037, and Jupiter, FL 33458, USA; Department of Molecular Therapeutics, The Scripps Research Institute, Jupiter, FL, 33458, USA
| | - Benjamin F Cravatt
- Molecular Screening Center, The Scripps Research Institute, La Jolla, CA 92037, and Jupiter, FL 33458, USA; Department of Chemical Physiology, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Peter S Hodder
- Molecular Screening Center, The Scripps Research Institute, La Jolla, CA 92037, and Jupiter, FL 33458, USA
| | - William R Roush
- Molecular Screening Center, The Scripps Research Institute, La Jolla, CA 92037, and Jupiter, FL 33458, USA; Department of Chemistry, The Scripps Research Institute, Jupiter, FL, 33458, USA
| | - Edward Roberts
- Molecular Screening Center, The Scripps Research Institute, La Jolla, CA 92037, and Jupiter, FL 33458, USA
| | - Dong-Hoon Chung
- Southern Research Specialized Biocontainment Screening Center, Southern Research Institute, Birmingham, AL 35205, USA
| | - Colleen B Jonsson
- Southern Research Specialized Biocontainment Screening Center, Southern Research Institute, Birmingham, AL 35205, USA
| | - James W Noah
- Southern Research Specialized Biocontainment Screening Center, Southern Research Institute, Birmingham, AL 35205, USA
| | - William E Severson
- Southern Research Specialized Biocontainment Screening Center, Southern Research Institute, Birmingham, AL 35205, USA
| | - Subramaniam Ananthan
- Southern Research Specialized Biocontainment Screening Center, Southern Research Institute, Birmingham, AL 35205, USA
| | - Bruce Edwards
- University of New Mexico Center for Molecular Discovery, Albuquerque, NM 87131, USA; Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Tudor I Oprea
- University of New Mexico Center for Molecular Discovery, Albuquerque, NM 87131, USA; Department of Internal Medicine, University of New Mexico, Albuquerque, NM, 87131, USA
| | - P Jeffrey Conn
- The Vanderbilt Specialized Chemistry Center for Accelerated Probe Development, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Corey R Hopkins
- The Vanderbilt Specialized Chemistry Center for Accelerated Probe Development, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Michael R Wood
- The Vanderbilt Specialized Chemistry Center for Accelerated Probe Development, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Shaun R Stauffer
- The Vanderbilt Specialized Chemistry Center for Accelerated Probe Development, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Kyle A Emmitte
- The Vanderbilt Specialized Chemistry Center for Accelerated Probe Development, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
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Medina-Cleghorn D, Nomura DK. Exploring metabolic pathways and regulation through functional chemoproteomic and metabolomic platforms. ACTA ACUST UNITED AC 2015; 21:1171-84. [PMID: 25237861 DOI: 10.1016/j.chembiol.2014.07.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Revised: 07/15/2014] [Accepted: 07/21/2014] [Indexed: 02/07/2023]
Abstract
Genome sequencing efforts have revealed a strikingly large number of uncharacterized genes, including poorly or uncharacterized metabolic enzymes, metabolites, and metabolic networks that operate in normal physiology, and those enzymes and pathways that may be rewired under pathological conditions. Although deciphering the functions of the uncharacterized metabolic genome is a challenging prospect, it also presents an opportunity for identifying novel metabolic nodes that may be important in disease therapy. In this review, we will discuss the chemoproteomic and metabolomic platforms used in identifying, characterizing, and targeting nodal metabolic pathways important in physiology and disease, describing an integrated workflow for functional mapping of metabolic enzymes.
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Affiliation(s)
- Daniel Medina-Cleghorn
- Program in Metabolic Biology and Molecular Toxicology, Department of Nutritional Sciences and Toxicology, 127 Morgan Hall, Berkeley, CA 94720, USA
| | - Daniel K Nomura
- Program in Metabolic Biology and Molecular Toxicology, Department of Nutritional Sciences and Toxicology, 127 Morgan Hall, Berkeley, CA 94720, USA.
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Jamali H, Khan HA, Stringer JR, Chowdhury S, Ellman JA. Identification of multiple structurally distinct, nonpeptidic small molecule inhibitors of protein arginine deiminase 3 using a substrate-based fragment method. J Am Chem Soc 2015; 137:3616-21. [PMID: 25742366 PMCID: PMC4447334 DOI: 10.1021/jacs.5b00095] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The protein arginine deiminases (PADs) are a family of enzymes that catalyze the post-translational hydrolytic deimination of arginine residues. Four different enzymologically active PAD subtypes have been characterized and exhibit tissue-specific expression and association with a number of different diseases. In this Article we describe the development of an approach for the reliable discovery of low molecular weight, nonpeptidic fragment substrates of the PADs that then can be optimized and converted to mechanism-based irreversible PAD inhibitors. The approach is demonstrated by the development of potent and selective inhibitors of PAD3, a PAD subtype implicated in the neurodegenerative response to spinal cord injury. Multiple structurally distinct inhibitors were identified with the most potent inhibitors having >10,000 min(-1) M(-1) k(inact)/K(I) values and ≥10-fold selectivity for PAD3 over PADs 1, 2, and 4.
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Affiliation(s)
- Haya Jamali
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Hasan A. Khan
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | | | | | - Jonathan A. Ellman
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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42
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Development of a clickable activity-based protein profiling (ABPP) probe for agmatine deiminases. Bioorg Med Chem 2015; 23:2159-67. [PMID: 25819331 DOI: 10.1016/j.bmc.2015.03.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 02/20/2015] [Accepted: 03/01/2015] [Indexed: 11/21/2022]
Abstract
Agmatine deiminases (AgDs) catalyze the hydrolytic conversion of agmatine (decarboxylated arginine) to N-carbamoylputrescine with concomitant release of ammonia. These enzymes, which are encoded by some pathogenic bacterial species, confer a competitive survival advantage by virtue of energy production and acid tolerance through agmatine catabolism. Herein we report the development of a clickable activity-based protein profiling (ABPP) probe that targets the AgD encoded by Streptococcus mutans with high selectivity and sensitivity.
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43
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Sabulski MJ, Wang Y, Pires MM. PAD2 Activity Monitored via a Fluorescent Substrate Analog. Chem Biol Drug Des 2015; 86:599-605. [PMID: 25643806 DOI: 10.1111/cbdd.12526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Revised: 12/02/2014] [Accepted: 01/08/2015] [Indexed: 11/29/2022]
Abstract
The post-transitional modification of peptidyl arginine to citrulline by PAD2 can affect the inherent biophysical properties of the citrullinated protein. Furthermore, dysregulation of PAD2 activity has been implicated in a number of human diseases. Inhibition of these enzymes by small molecules can serve as essential probes in establishing a link to pathogenesis. Herein, we describe a profluorescent substrate analog that reports on the activity and the inhibition of PAD2 in a robust assay. Most noteworthy, we expect future drug discovery efforts based on PAD2 inhibition can be pursued via this assay.
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Affiliation(s)
- Mary J Sabulski
- Chemistry Department, Lehigh University, Bethlehem, PA, 18015, USA
| | - Yanming Wang
- Center for Eukaryotic Gene Regulation, Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA, 16802, USA
| | - Marcos M Pires
- Chemistry Department, Lehigh University, Bethlehem, PA, 18015, USA
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Abstract
Eukaryotic and prokaryotic organisms possess huge numbers of uncharacterized enzymes. Selective inhibitors offer powerful probes for assigning functions to enzymes in native biological systems. Here, we discuss how the chemical proteomic platform activity-based protein profiling (ABPP) can be implemented to discover selective and in vivo-active inhibitors for enzymes. We further describe how these inhibitors have been used to delineate the biochemical and cellular functions of enzymes, leading to the discovery of metabolic and signaling pathways that make important contributions to human physiology and disease. These studies demonstrate the value of selective chemical probes as drivers of biological inquiry.
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Affiliation(s)
- Micah J Niphakis
- The Skaggs Institute for Chemical Biology and the Department of Chemical Physiology, The Scripps Research Institute, La Jolla, California 92037;
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Sabulski MJ, Fura JM, Pires MM. Fluorescence-based monitoring of PAD4 activity via a pro-fluorescence substrate analog. J Vis Exp 2014:e52114. [PMID: 25407913 DOI: 10.3791/52114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Post-translational modifications may lead to altered protein functional states by increasing the covalent variations on the side chains of many protein substrates. The histone tails represent one of the most heavily modified stretches within all human proteins. Peptidyl-arginine deiminase 4 (PAD4) has been shown to convert arginine residues into the non-genetically encoded citrulline residue. Few assays described to date have been operationally facile with satisfactory sensitivity. Thus, the lack of adequate assays has likely contributed to the absence of potent non-covalent PAD4 inhibitors. Herein a novel fluorescence-based assay that allows for the monitoring of PAD4 activity is described. A pro-fluorescent substrate analog was designed to link PAD4 enzymatic activity to fluorescence liberation upon the addition of the protease trypsin. It was shown that the assay is compatible with high-throughput screening conditions and has a strong signal-to-noise ratio. Furthermore, the assay can also be performed with crude cell lysates containing over-expressed PAD4.
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Tough DF, Lewis HD, Rioja I, Lindon MJ, Prinjha RK. Epigenetic pathway targets for the treatment of disease: accelerating progress in the development of pharmacological tools: IUPHAR Review 11. Br J Pharmacol 2014; 171:4981-5010. [PMID: 25060293 PMCID: PMC4253452 DOI: 10.1111/bph.12848] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 05/22/2014] [Accepted: 06/13/2014] [Indexed: 02/06/2023] Open
Abstract
The properties of a cell are determined both genetically by the DNA sequence of its genes and epigenetically through processes that regulate the pattern, timing and magnitude of expression of its genes. While the genetic basis of disease has been a topic of intense study for decades, recent years have seen a dramatic increase in the understanding of epigenetic regulatory mechanisms and a growing appreciation that epigenetic misregulation makes a significant contribution to human disease. Several large protein families have been identified that act in different ways to control the expression of genes through epigenetic mechanisms. Many of these protein families are finally proving tractable for the development of small molecules that modulate their function and represent new target classes for drug discovery. Here, we provide an overview of some of the key epigenetic regulatory proteins and discuss progress towards the development of pharmacological tools for use in research and therapy.
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Affiliation(s)
- David F Tough
- Immuno-Inflammation Therapy Area, GlaxoSmithKline R&D, Medicines Research Centre, Epinova DPU, Stevenage, UK
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Thomson A, O'Connor S, Knuckley B, Causey CP. Design, synthesis, and in vitro evaluation of an activity-based protein profiling (ABPP) probe targeting agmatine deiminases. Bioorg Med Chem 2014; 22:4602-8. [PMID: 25127464 DOI: 10.1016/j.bmc.2014.07.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 07/10/2014] [Accepted: 07/17/2014] [Indexed: 11/29/2022]
Abstract
Agmatine deiminases (AgDs) belong to a family of enzymes known as guanidinium group modifying enzymes (GMEs). Many pathogenic bacteria encode an AgD that participates in the catabolism of agmatine (decarboxylated arginine). This catabolism may confer a competitive survival advantage, by virtue of energy production and increased acid tolerance, making this sub-family of enzymes a potential therapeutic target that warrants further study. Herein we report the development of an activity-based protein profiling (ABPP) probe that selectively targets the AgD from Streptococcus mutans. Due to the selectivity and covalent nature of the modification, this probe could prove to be a valuable tool for the study of other AgD family members.
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Affiliation(s)
- Andrew Thomson
- Department of Chemistry, University of North Florida, 1 UNF Dr., Jacksonville, FL 32224, USA
| | - Sean O'Connor
- Department of Chemistry, University of North Florida, 1 UNF Dr., Jacksonville, FL 32224, USA
| | - Bryan Knuckley
- Department of Chemistry, University of North Florida, 1 UNF Dr., Jacksonville, FL 32224, USA
| | - Corey P Causey
- Department of Chemistry, University of North Florida, 1 UNF Dr., Jacksonville, FL 32224, USA.
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48
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Knight JS, Subramanian V, O'Dell AA, Yalavarthi S, Zhao W, Smith CK, Hodgin JB, Thompson PR, Kaplan MJ. Peptidylarginine deiminase inhibition disrupts NET formation and protects against kidney, skin and vascular disease in lupus-prone MRL/lpr mice. Ann Rheum Dis 2014; 74:2199-206. [PMID: 25104775 DOI: 10.1136/annrheumdis-2014-205365] [Citation(s) in RCA: 301] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Accepted: 07/17/2014] [Indexed: 12/12/2022]
Abstract
OBJECTIVES An imbalance between neutrophil extracellular trap (NET) formation and degradation has been described in systemic lupus erythematosus (SLE), potentially contributing to autoantigen externalisation, type I interferon synthesis and endothelial damage. We have demonstrated that peptidylarginine deiminase (PAD) inhibition reduces NET formation and protects against lupus-related vascular damage in the New Zealand Mixed model of lupus. However, another strategy for inhibiting NETs--knockout of NOX2--accelerates lupus in a different murine model, MRL/lpr. Here, we test the effects of PAD inhibition on MRL/lpr mice in order to clarify whether some NET inhibitory pathways may be consistently therapeutic across models of SLE. METHODS NET formation and autoantibodies to NETs were characterised in lupus-prone MRL/lpr mice. MRL/lpr mice were also treated with two different PAD inhibitors, Cl-amidine and the newly described BB-Cl-amidine. NET formation, endothelial function, interferon signature, nephritis and skin disease were examined in treated mice. RESULTS Neutrophils from MRL/lpr mice demonstrate accelerated NET formation compared with controls. MRL/lpr mice also form autoantibodies to NETs and have evidence of endothelial dysfunction. PAD inhibition markedly improves endothelial function, while downregulating the expression of type I interferon-regulated genes. PAD inhibition also reduces proteinuria and immune complex deposition in the kidneys, while protecting against skin disease. CONCLUSIONS PAD inhibition reduces NET formation, while protecting against lupus-related damage to the vasculature, kidneys and skin in various lupus models. The strategy by which NETs are inhibited will have to be carefully considered if human studies are to be undertaken.
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Affiliation(s)
- Jason S Knight
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | | | - Alexander A O'Dell
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Srilakshmi Yalavarthi
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Wenpu Zhao
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Carolyne K Smith
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Jeffrey B Hodgin
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, USA
| | - Paul R Thompson
- Department of Chemistry, The Scripps Research Institute, Jupiter, Florida, USA
| | - Mariana J Kaplan
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
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Willems LI, Jiang J, Li KY, Witte MD, Kallemeijn WW, Beenakker TJN, Schröder SP, Aerts JMFG, van der Marel GA, Codée JDC, Overkleeft HS. From Covalent Glycosidase Inhibitors to Activity-Based Glycosidase Probes. Chemistry 2014; 20:10864-72. [DOI: 10.1002/chem.201404014] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Affiliation(s)
| | - Matthew Bogyo
- Departments of 1Chemical and Systems Biology,
- Microbiology and Immunology, and
- Pathology, Stanford University School of Medicine, Stanford, California 94305-5324;
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