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Getter T, Margalit R, Kahremany S, Levy L, Blum E, Khazanov N, Keshet-Levy NY, Tamir TY, Ben Major M, Lahav R, Zilber S, Senderowitz H, Bradfield P, Imhof BA, Alpert E, Gruzman A. Novel inhibitors of leukocyte transendothelial migration. Bioorg Chem 2019; 92:103250. [PMID: 31580982 DOI: 10.1016/j.bioorg.2019.103250] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/02/2019] [Accepted: 09/03/2019] [Indexed: 02/08/2023]
Abstract
Leukocyte transendothelial migration is one of the most important step in launching an inflammatory immune response and chronic inflammation can lead to devastating diseases. Leukocyte migration inhibitors are considered as promising and potentially effective therapeutic agents to treat inflammatory and auto-immune disorders. In this study, based on previous trioxotetrahydropyrimidin based integrin inhibitors that suboptimally blocked leukocyte adhesion, twelve molecules with a modified scaffold were designed, synthesized, and tested in vitro for their capacity to block the transendothelial migration of immune cells. One of the molecules, namely, methyl 4-((2-(tert-butyl)-6-((2,4,6-trioxotetrahydropyrimidin-5(2H)-ylidene) methyl) phenoxy) methyl) benzoate, (compound 12), completely blocked leukocyte transendothelial migration, without any toxic effects on immune or endothelial cells (IC50 = 2.4 µM). In vivo, compound 12 exhibited significant therapeutic effects in inflammatory bowel disease (IBD)/Crohn's disease, multiple sclerosis, fatty liver disease, and rheumatoid arthritis models. A detailed acute and chronic toxicity profile of the lead compound in vivo did not reveal any toxic effects. Such a type of molecule might therefore provide a unique starting point for designing a novel class of leukocyte transmigration blocking agents with broad therapeutic applications in inflammatory and auto-immune pathologies.
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Affiliation(s)
- Tamar Getter
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel
| | - Raanan Margalit
- "Science in Action", Ness-Ziona, Israel; "AltA-ZuZ Therapeutics", Ness-Ziona, Israel
| | - Shirin Kahremany
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel
| | - Laura Levy
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel
| | - Eliav Blum
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel
| | - Netaly Khazanov
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel
| | - Nimrod Y Keshet-Levy
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel; Department of Pathology, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Tigist Y Tamir
- Department of Pharmacology and the Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - M Ben Major
- Department of Pharmacology and the Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Ron Lahav
- "AltA-ZuZ Therapeutics", Ness-Ziona, Israel
| | - Sofia Zilber
- Department of Pathology, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Hanoch Senderowitz
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel
| | | | - Beat A Imhof
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland
| | | | - Arie Gruzman
- Division of Medicinal Chemistry, Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, Israel.
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Kresovich JK, Bulka CM, Joyce BT, Vokonas PS, Schwartz J, Baccarelli AA, Hibler EA, Hou L. The Inflammatory Potential of Dietary Manganese in a Cohort of Elderly Men. Biol Trace Elem Res 2018; 183:49-57. [PMID: 28822065 PMCID: PMC5844859 DOI: 10.1007/s12011-017-1127-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 08/08/2017] [Indexed: 01/11/2023]
Abstract
Manganese is an essential nutrient that may play a role in the production of inflammatory biomarkers. We examined associations between estimated dietary manganese intake from food/beverages and supplements with circulating biomarkers of inflammation. We further explored whether estimated dietary manganese intake affects DNA methylation of selected genes involved in the production of these biomarkers. We analyzed 1023 repeated measures of estimated dietary manganese intakes and circulating blood inflammatory biomarkers from 633 participants in the Normative Aging Study. Using mixed-effect linear regression models adjusted for covariates, we observed positive linear trends between estimated dietary manganese intakes and three circulating interleukin proteins. Relative to the lowest quartile of estimated intake, concentrations of IL-1β were 46% greater (95% CI - 5, 126), IL-6 52% greater (95% CI - 9, 156). and IL-8 32% greater (95% CI 2, 71) in the highest quartiles of estimated intake. Estimated dietary manganese intake was additionally associated with changes in DNA methylation of inflammatory biomarker-producing genes. Higher estimated intake was associated with higher methylation of NF-κβ member activator NKAP (Q4 vs Q1: β = 3.32, 95% CI - 0.6, 7.3). When stratified by regulatory function, higher manganese intake was associated with higher gene body methylation of NF-κβ member activators NKAP (Q4 vs Q1: β = 10.10, 95% CI - 0.8, 21) and NKAPP1 (Q4 vs Q1: β = 8.14, 95% CI 1.1, 15). While needed at trace amounts for various physiologic functions, our results suggest estimated dietary intakes of manganese at levels slightly above nutritional adequacy contribute to inflammatory biomarker production.
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Affiliation(s)
- Jacob K Kresovich
- Center for Population Epigenetics, Robert H. Lurie Comprehensive Cancer Center and Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA.
- Division of Epidemiology and Biostatisitics, University of Illinois at Chicago School of Public Health, Chicago, IL, 60612, USA.
| | - Catherine M Bulka
- Division of Epidemiology and Biostatisitics, University of Illinois at Chicago School of Public Health, Chicago, IL, 60612, USA
| | - Brian T Joyce
- Center for Population Epigenetics, Robert H. Lurie Comprehensive Cancer Center and Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
- Division of Epidemiology and Biostatisitics, University of Illinois at Chicago School of Public Health, Chicago, IL, 60612, USA
| | - Pantel S Vokonas
- VA Normative Aging Study, Veterans Affairs Boston Healthcare System and the Department of Medicine, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Joel Schwartz
- Department of Environmental Health and Program in Quantitative Genomics, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Andrea A Baccarelli
- Departments of Epidemiology and Environmental Health Sciences, Columbia University Mailman School of Public Health, New York City, NY, 10032, USA
| | - Elizabeth A Hibler
- Center for Population Epigenetics, Robert H. Lurie Comprehensive Cancer Center and Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
| | - Lifang Hou
- Center for Population Epigenetics, Robert H. Lurie Comprehensive Cancer Center and Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA
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