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Gzik A, Borek B, Chrzanowski J, Jedrzejczak K, Dziegielewski M, Brzezinska J, Nowicka J, Grzybowski MM, Rejczak T, Niedzialek D, Wieczorek G, Olczak J, Golebiowski A, Zaslona Z, Blaszczyk R. Novel orally bioavailable piperidine derivatives as extracellular arginase inhibitors developed by a ring expansion. Eur J Med Chem 2024; 264:116033. [PMID: 38096651 DOI: 10.1016/j.ejmech.2023.116033] [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: 10/24/2023] [Revised: 11/24/2023] [Accepted: 12/04/2023] [Indexed: 12/30/2023]
Abstract
Arginase is a multifaced enzyme that plays an important role in health and disease being regarded as a therapeutic target for the treatment of various pathological states such as malignancies, asthma, and cardiovascular disease. The discovery of boronic acid-based arginase inhibitors in 1997 revolutionized attempts of medicinal chemistry focused on development of drugs targeting arginase. Unfortunately, these very polar compounds had limitations such as analysis and purification without chromophores, synthetically challenging space, and poor oral bioavailability. Herein, we present a novel class of boronic acid-based arginase inhibitors which are piperidine derivatives exhibiting a different pharmacological profile compared to our drug candidate in cancer immunotherapy -OATD-02 - dual ARG1/2 inhibitor with high intracellular activity. Compounds from this new series show low intracellular activity, hence they can inhibit mainly extracellular arginase, providing different therapeutic space compared to a dual intracellular ARG1/2 inhibitor. The disclosed series showed good inhibitory potential towards arginase enzyme in vitro (IC50 up to 160 nM), favorable pharmacokinetics in animal models, and encouraging preliminary in vitro and in vivo tolerability. Compounds from the new series have moderate-to-high oral bioavailability (up to 66 %) and moderate clearance in vivo. Herein we describe the development and optimization of the synthesis of the new class of boronic acid-based arginase inhibitors via a ring expansion approach starting from the inexpensive chirality source (d-hydroxyproline). This upgraded methodology facilitated a gram-scale delivery of the final compound and eliminated the need for costly and time-consuming chiral resolution.
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Affiliation(s)
- Anna Gzik
- Molecure S.A., Zwirki i Wigury 101, Warsaw, 02-089, Poland
| | | | | | | | | | | | - Julita Nowicka
- Molecure S.A., Zwirki i Wigury 101, Warsaw, 02-089, Poland
| | | | - Tomasz Rejczak
- Molecure S.A., Zwirki i Wigury 101, Warsaw, 02-089, Poland
| | | | | | - Jacek Olczak
- Molecure S.A., Zwirki i Wigury 101, Warsaw, 02-089, Poland
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Drewe WC, Dobo KL, Sobol Z, Bercu JP, Parris P, Nicolette J. Deriving Compound-Specific Exposure Limits for Chemicals Used in Pharmaceutical Synthesis: Challenges in Expert Decision-Making Exemplified Through a Case Study-Based Workshop. Int J Toxicol 2021; 40:285-298. [PMID: 33525949 DOI: 10.1177/1091581820982547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A workshop entitled "Deriving Compound-Specific Exposure Limits for Chemicals Used in Pharmaceutical Synthesis" was held at the 2018 Genetic Toxicology Association annual meeting. The objectives of the workshop were to provide an educational forum and use case studies and live multiple-choice polling to establish the degree of similarity/diversity in approach/opinion of the industry experts and other delegates present for some of the more challenging decision points that need to be considered when developing a compound-specific exposure limit (ie, acceptable intake or permissible or permitted daily exposure). Herein we summarize the relevant background and case study information for each decision point topic presented as well as highlight significant polling responses and discussion points. A common observation throughout was the requirement for expert judgment to be applied at each of the decision points presented which often results in different reasoning being applied by the risk assessor when deriving a compound-specific exposure limit. This supports the value of precompetitive cross-industry collaborations to develop compound-specific limits and harmonize the methodology applied, thus reducing the associated uncertainty inherent in the application of isolated expert judgment in this context. An overview of relevant precompetitive cross-industry collaborations working to achieve this goal is described.
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Affiliation(s)
| | - Krista L Dobo
- 390190Pfizer Worldwide Research and Development, Groton, CT, USA
| | - Zhanna Sobol
- 390190Pfizer Worldwide Research and Development, Groton, CT, USA
| | | | - Patricia Parris
- Pfizer Worldwide Research and Development, Sandwich, Kent, UK
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Senapati VA, Kansara K, Shanker R, Dhawan A, Kumar A. Monitoring characteristics and genotoxic effects of engineered nanoparticle-protein corona. Mutagenesis 2018; 32:479-490. [PMID: 29048576 DOI: 10.1093/mutage/gex028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Engineered nanoparticles (ENPs) possess different physical and chemical properties compared to their bulk counterparts. These unique properties have found application in various products in the area of therapeutics, consumer goods, environmental remediation, optical and electronic fields. This has also increased the likelihood of their release into the environment thereby affecting human health and ecosystem. ENPs, when in contact with the biological system have various physical and chemical interactions with cellular macromolecules including proteins. These interactions lead to the formation of protein corona around the ENPs. Consequently, living systems interact with the protein-coated ENP rather than with a bare ENP. This ENP-protein interaction influences uptake, accumulation, distribution and clearance and thereby affecting the cytotoxic and genotoxic responses. Although there are few studies which discussed the fate of ENPs, there is a need for extensive research in the field of ENPs, to understand the interaction of ENPs with biological systems for their safe and productive application.
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Affiliation(s)
- Violet Aileen Senapati
- Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, University Road, Ahmedabad 380009, Gujarat, India
| | - Krupa Kansara
- Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, University Road, Ahmedabad 380009, Gujarat, India
| | - Rishi Shanker
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, PO Box 80, Lucknow 226001, Uttar Pradesh, India
| | - Alok Dhawan
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, PO Box 80, Lucknow 226001, Uttar Pradesh, India
| | - Ashutosh Kumar
- Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, University Road, Ahmedabad 380009, Gujarat, India
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The extended version of restriction analysis approach for the examination of the ability of low-molecular-weight compounds to modify DNA in a cell-free system. Food Chem Toxicol 2015; 75:118-27. [DOI: 10.1016/j.fct.2014.11.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 10/31/2014] [Accepted: 11/18/2014] [Indexed: 11/21/2022]
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Hajisharifi Z, Piryaiee M, Mohammad Beigi M, Behbahani M, Mohabatkar H. Predicting anticancer peptides with Chou′s pseudo amino acid composition and investigating their mutagenicity via Ames test. J Theor Biol 2014; 341:34-40. [DOI: 10.1016/j.jtbi.2013.08.037] [Citation(s) in RCA: 169] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Revised: 08/28/2013] [Accepted: 08/31/2013] [Indexed: 12/27/2022]
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Ahmad J, Dwivedi S, Alarifi S, Al-Khedhairy AA, Musarrat J. Use of β-galactosidase (lacZ) gene α-complementation as a novel approach for assessment of titanium oxide nanoparticles induced mutagenesis. Mutat Res 2012; 747:246-52. [PMID: 22705419 DOI: 10.1016/j.mrgentox.2012.06.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2012] [Revised: 06/03/2012] [Accepted: 06/07/2012] [Indexed: 10/28/2022]
Abstract
The mutagenic potential of titanium dioxide nanoparticles (TiO(2)-NPs) of an average size 30.6nm was investigated using β-galactosidase (lacZ) gene complementation in plasmid pUC19/lacZ(-)Escherichia coli DH5α system. Plasmid pUC19 was treated with varying concentrations of TiO(2)-NPs and allowed to transfect the CaCl(2)-induced competent DH5α cells. The data revealed loss in transformation efficiency of TiO(2)-NPs treated plasmids as compared to untreated plasmid DNA in DH5α host cells. Induction of multiple mutations in α-fragment of lacZ gene caused synthesis of non-functional β-galactosidase enzyme, which resulted in a significant number of white (mutant) colonies of transformed E. coli cells. Screening of mutant transformants based on blue:white colony assay and DNA sequence analysis of lacZ gene fragment clearly demonstrated TiO(2)-NPs induced mutagenesis. Multiple alignment of selectable marker lacZ gene sequences from randomly selected mutants and control cells provided a gene specific map of TiO(2)-NPs induced mutations. Mutational analysis suggested that all nucleotide changes were point mutations, predominantly transversions (TVs) and transitions (TSs). A total of 32 TVs and 6 TSs mutations were mapped within 296 nucleotides (nt) long partial sequence of lacZ gene. The region between 102 and 147nt within lacZ gene sequence was found to be most susceptible to mutations with nine detectable point mutations (8 TVs and 1 TSs). Guanine base was determined to be more prone to TiO(2)-NPs induced mutations. This study suggested the pUC19/E. coli DH5αlacZ gene α-complementation system, as a novel genetic approach for determining the mutagenic potential, and specificity of manufactured NPs and nanomaterials.
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Affiliation(s)
- Javed Ahmad
- Department of Zoology, King Saud University, Riyadh, Saudi Arabia
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Ng CT, Li JJ, Bay BH, Yung LYL. Current studies into the genotoxic effects of nanomaterials. J Nucleic Acids 2010; 2010. [PMID: 20936181 PMCID: PMC2946614 DOI: 10.4061/2010/947859] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2010] [Revised: 07/20/2010] [Accepted: 07/20/2010] [Indexed: 11/30/2022] Open
Abstract
Nanotechnology has created opportunities for engineers to manufacture superior and more efficient devices and products. Nanomaterials (NMs) are now widely used in consumer products as well as for research applications. However, while the lists of known toxic effects of nanomaterials and nanoparticles (NPs) continue to grow, there is still a vast gap in our knowledge about the genotoxicity of NMs. In this paper, we highlight some NMs of interest and discuss the current in vivo and in vitro studies into genotoxic effects of NMs.
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Affiliation(s)
- Cheng-Teng Ng
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, 4 Medical Drive, Block MD10, Singapore 117597
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