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Osaka M, Deushi M, Aoyama J, Funakoshi T, Ishigami A, Yoshida M. High-Fat Diet Enhances Neutrophil Adhesion in LDLR-Null Mice Via Hypercitrullination of Histone H3. ACTA ACUST UNITED AC 2021; 6:507-523. [PMID: 34222722 PMCID: PMC8246031 DOI: 10.1016/j.jacbts.2021.04.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 12/21/2022]
Abstract
Neutrophil adhesion on the atheroprone femoral artery of high-fat diet-fed low-density lipoprotein receptor-null mice was enhanced more than in wild-type mice. The inhibition of histone H3 citrullination of neutrophils reversed the enhancement of neutrophil adhesion, suggesting that hypercitrullination contributes to enhanced neutrophil adhesion. Furthermore, pemafibrate reduced the citrullination of histone H3 in these mice. Therefore, the hypercitrullination of histone H3 in neutrophils contributes to atherosclerotic vascular inflammation.
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Key Words
- BM, bone marrow
- BW, body weight
- DNaseI, deoxyribonuclease I
- GM-CSF, granulocyte-macrophage colony-stimulating factor
- HFD, high-fat diet
- HUVECs, human umbilical vein endothelial cells
- IVM, intravital microscopy
- LDLR, low-density lipoprotein receptor
- LysM, lysosome M
- MPO, myeloperoxidase
- NC, normal chow
- NE, neutrophil elastase
- NET, neutrophil extracellular trap
- PAD4, peptidylarginine deiminase 4
- PPAR, peroxisome proliferator-activated receptor
- TC, total cholesterol
- TDFA, N-acetyl-l-threonyl-l-α-aspartyl-N5-(2-fluoro-1-iminoethyl)-l-ornithinamide trifluoroacetate salt
- TG, triglyceride
- citrullination
- cxcl1
- eGFP, enhanced green fluorescent protein
- in vivo imaging
- neutrophil
- vascular inflammation
- wt, wild type
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Affiliation(s)
- Mizuko Osaka
- Department of Life Science and Bioethics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.,Department of Nutrition and Metabolism in Cardiovascular Disease, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Michiyo Deushi
- Department of Life Science and Bioethics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Jiro Aoyama
- Department of Life Science and Bioethics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.,Department of Neurosurgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tomoko Funakoshi
- Research Team for Functional Biogerontology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.,Department of Physiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Akihito Ishigami
- Research Team for Functional Biogerontology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Masayuki Yoshida
- Department of Life Science and Bioethics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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Antoniellis Silveira AA, Dominical VM, Morelli Vital D, Alves Ferreira W, Trindade Maranhão Costa F, Werneck CC, Ferreira Costa F, Conran N. Attenuation of TNF-induced neutrophil adhesion by simvastatin is associated with the inhibition of Rho-GTPase activity, p50 activity and morphological changes. Int Immunopharmacol 2018; 58:160-165. [PMID: 29604489 DOI: 10.1016/j.intimp.2018.03.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 03/22/2018] [Accepted: 03/24/2018] [Indexed: 12/19/2022]
Abstract
Neutrophil adhesion to the vasculature in response to potent inflammatory stimuli, such as TNF-α (TNF), can contribute to atheroprogression amongst other pathophysiological mechanisms. Previous studies have shown that simvastatin, a statin with known pleiotropic anti-inflammatory properties, can partially abrogate the effects of TNF-induced neutrophil adhesion, in association with the modulation of β2-integrin expression. We aimed to further characterize the effects of this statin on neutrophil and leukocyte adhesive mechanisms in vitro and in vivo. A microfluidic assay confirmed the ability of simvastatin to inhibit TNF-induced human neutrophil adhesion to fibronectin ligand under conditions of shear stress, while intravital imaging microscopy demonstrated an abrogation of leukocyte recruitment by simvastatin in the microvasculature of mice that had received a TNF stimulus. This inhibition of neutrophil adhesion was accompanied by the inhibition of TNF-induced RhoA activity in human neutrophils, and alterations in cell morphology and β2-integrin activity. Additionally, TNF augmented the activity of the p50 NFκB subunit in human neutrophils and TNF-induced neutrophil adhesion and β2-integrin activity could be abolished using pharmacological inhibitors of NFκB translocation, BAY11-7082 and SC514. Accordingly, the TNF-induced elevation of neutrophil p50 activity was abolished by simvastatin. In conclusion, our data provide further evidence of the ability of simvastatin to inhibit neutrophil adhesive interactions in response to inflammatory stimuli, both in vivo and in vitro. Simvastatin appears to inhibit neutrophil adhesion by interfering in TNF-induced cytoskeletal rearrangements, in association with the inhibition of Rho A activity, NFκB translocation and, consequently, β2-integrin activity.
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Affiliation(s)
| | - Venina Marcela Dominical
- Hematology and Hemotherapy Center, School of Medicine, University of Campinas-UNICAMP, Campinas, Sao Paulo, Brazil
| | - Daiana Morelli Vital
- Hematology and Hemotherapy Center, School of Medicine, University of Campinas-UNICAMP, Campinas, Sao Paulo, Brazil
| | - Wilson Alves Ferreira
- Hematology and Hemotherapy Center, School of Medicine, University of Campinas-UNICAMP, Campinas, Sao Paulo, Brazil
| | - Fabio Trindade Maranhão Costa
- Laboratory of Tropical Diseases - Prof. Dr. Luiz Jacintho da Silva, Department of Genetics, Evolution and Bioagents, Institute of Biology (IB), University of Campinas-UNICAMP, Brazil
| | - Claudio C Werneck
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas-UNICAMP, Campinas, Brazil
| | - Fernando Ferreira Costa
- Hematology and Hemotherapy Center, School of Medicine, University of Campinas-UNICAMP, Campinas, Sao Paulo, Brazil
| | - Nicola Conran
- Hematology and Hemotherapy Center, School of Medicine, University of Campinas-UNICAMP, Campinas, Sao Paulo, Brazil.
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Yu P, Xiong T, Tenedero CB, Lebeau P, Ni R, MacDonald ME, Gross PL, Austin RC, Trigatti BL. Rosuvastatin Reduces Aortic Sinus and Coronary Artery Atherosclerosis in SR-B1 (Scavenger Receptor Class B Type 1)/ApoE (Apolipoprotein E) Double Knockout Mice Independently of Plasma Cholesterol Lowering. Arterioscler Thromb Vasc Biol 2017; 38:26-39. [PMID: 29162602 PMCID: PMC5757666 DOI: 10.1161/atvbaha.117.305140] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 11/08/2017] [Indexed: 11/16/2022]
Abstract
Supplemental Digital Content is available in the text. Objective— Rosuvastatin has been widely used in the primary and secondary prevention of coronary heart disease. However, its antiatherosclerotic properties have not been tested in a mouse model that could mimic human coronary heart disease. The present study was designed to test the effects of rosuvastatin on coronary artery atherosclerosis and myocardial fibrosis in SR-B1 (scavenger receptor class B type 1) and apoE (apolipoprotein E) double knockout mice. Approach and Results— Three-week-old SR-B1−/−/apoE−/− mice were injected daily with 10 mg/kg of rosuvastatin for 2 weeks. Compared with saline-treated mice, rosuvastatin-treated mice showed increased levels of hepatic PCSK9 (proprotein convertase subtilisin/kexin type-9) and LDLR (low-density lipoprotein receptor) message, increased plasma PCSK9 protein but decreased levels of hepatic LDLR protein and increased plasma total cholesterol associated with apoB (apolipoprotein B) 48-containing lipoproteins. In spite of this, rosuvastatin treatment was associated with decreased atherosclerosis in both the aortic sinus and coronary arteries and reduced platelet accumulation in atherosclerotic coronary arteries. Cardiac fibrosis and cardiomegaly were also attenuated in rosuvastatin-treated SR-B1−/−/apoE−/− mice. Two-week treatment with rosuvastatin resulted in significant decreases in markers of oxidized phospholipids in atherosclerotic plaques. In vitro analysis showed that incubation of bone marrow-derived macrophages with rosuvastatin substantially downregulated cluster of differentiation (CD)36 and inhibited oxidized LDL-induced foam cell formation. Conclusions— Rosuvastatin protected SR-B1−/−/apoE−/− mice against atherosclerosis and platelet accumulation in coronary arteries and attenuated myocardial fibrosis and cardiomegaly, despite increased plasma total cholesterol. The ability of rosuvastatin to reduce oxidized phospholipids in atherosclerotic plaques and inhibit macrophage foam cell formation may have contributed to this protection.
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Affiliation(s)
- Pei Yu
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Ting Xiong
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Christine B Tenedero
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Paul Lebeau
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Ran Ni
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Melissa E MacDonald
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Peter L Gross
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Richard C Austin
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada
| | - Bernardo L Trigatti
- From the Thrombosis and Atherosclerosis Research Institute, McMaster University and Hamilton Health Sciences (P.Y., T.X., C.B.T., R.N., M.E.M., P.L.G., R.C.A., B.L.T.), St. Joseph's Hamilton Healthcare and Hamilton Center for Kidney Research (P.L., R.C.A.), Department of Biochemistry and Biomedical Sciences (P.Y., T.X., C.B.T., M.E.M., B.L.T.), and Department of Medicine (P.L., R.N., P.L.G., R.C.A.), McMaster University, Hamilton, ON, Canada.
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Osaka M, Ito S, Honda M, Inomata Y, Egashira K, Yoshida M. Critical role of the C5a-activated neutrophils in high-fat diet-induced vascular inflammation. Sci Rep 2016; 6:21391. [PMID: 26893238 PMCID: PMC4759545 DOI: 10.1038/srep21391] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 01/22/2016] [Indexed: 12/21/2022] Open
Abstract
Exceed and chronic high-fat diet (HFD) contributes to the diagnosis and development of atherosclerosis, obesity, and metabolic syndrome. However, the key molecular component(s) triggered by HFD responsible for initiating vascular inflammation remain unknown. We observed that feeding HFD for 4 weeks is sufficient to induce leukocyte recruitment in the femoral artery of wild-type mice. Neutrophil- and monocyte-depletion analyses confirmed the preferential recruitment of neutrophils in these mice. Protein analysis of sera from HFD-fed mice revealed a marked elevation of complement component C5a levels. Exogenous C5a alone induced leukocyte recruitment, which was abolished by a C5a-receptor antagonist. We also examined the role of neutrophil-derived MCP-1 in accumulation of leukocytes in the artery. These results demonstrated a previously unrecognized role for C5a and neutrophils in the early onset of HFD-induced vascular inflammation. Further study may help in elucidating a novel regulatory pathway to control diet-induced inflammation such as that in case of atherosclerosis.
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Affiliation(s)
- Mizuko Osaka
- Department of Life Science and Bioethics, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan.,Department of Nutrition and Metabolism in Cardiovascular Disease, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shunsuke Ito
- Department of Life Science and Bioethics, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masaki Honda
- Department of Transplantation and Pediatric Surgery, Postgraduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Yukihiro Inomata
- Department of Transplantation and Pediatric Surgery, Postgraduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Kensuke Egashira
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masayuki Yoshida
- Department of Life Science and Bioethics, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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