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Zhao J, Yoshizumi M. A Comprehensive Retrospective Study on the Mechanisms of Cyclic Mechanical Stretch-Induced Vascular Smooth Muscle Cell Death Underlying Aortic Dissection and Potential Therapeutics for Preventing Acute Aortic Aneurysm and Associated Ruptures. Int J Mol Sci 2024; 25:2544. [PMID: 38473793 DOI: 10.3390/ijms25052544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Acute aortic dissection (AAD) and associated ruptures are the leading causes of death in cardiovascular diseases (CVDs). Hypertension is a prime risk factor for AAD. However, the molecular mechanisms underlying AAD remain poorly understood. We previously reported that cyclic mechanical stretch (CMS) leads to the death of rat aortic smooth muscle cells (RASMCs). This review focuses on the mechanisms of CMS-induced vascular smooth muscle cell (VSMC) death. Moreover, we have also discussed the potential therapeutics for preventing AAD and aneurysm ruptures.
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Affiliation(s)
- Jing Zhao
- Department of Pharmacology, Nara Medical University School of Medicine, 840 Shijo-Cho, Kashihara 634-8521, Japan
| | - Masanori Yoshizumi
- Department of Pharmacology, Nara Medical University School of Medicine, 840 Shijo-Cho, Kashihara 634-8521, Japan
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2
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Mota L, Zhu M, Li J, Contreras M, Aridi T, Tomeo JN, Stafford A, Mooney DJ, Pradhan-Nabzdyk L, Ferran C, LoGerfo FW, Liang P. Perivascular CLICK-gelatin delivery of thrombospondin-2 small interfering RNA decreases development of intimal hyperplasia after arterial injury. FASEB J 2024; 38:e23321. [PMID: 38031974 PMCID: PMC10726962 DOI: 10.1096/fj.202301359r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 10/25/2023] [Accepted: 11/05/2023] [Indexed: 12/01/2023]
Abstract
Bypass graft failure occurs in 20%-50% of coronary and lower extremity bypasses within the first-year due to intimal hyperplasia (IH). TSP-2 is a key regulatory protein that has been implicated in the development of IH following vessel injury. In this study, we developed a biodegradable CLICK-chemistry gelatin-based hydrogel to achieve sustained perivascular delivery of TSP-2 siRNA to rat carotid arteries following endothelial denudation injury. At 21 days, perivascular application of TSP-2 siRNA embedded hydrogels significantly downregulated TSP-2 gene expression, cellular proliferation, as well as other associated mediators of IH including MMP-9 and VEGF-R2, ultimately resulting in a significant decrease in IH. Our data illustrates the ability of perivascular CLICK-gelatin delivery of TSP-2 siRNA to mitigate IH following arterial injury.
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Affiliation(s)
- Lucas Mota
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - Max Zhu
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - Jennifer Li
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - Mauricio Contreras
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - Tarek Aridi
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - John N. Tomeo
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - Alexander Stafford
- John A. Paulson School of Engineering and Applied Science, Harvard University, Cambridge, MA
| | - David J. Mooney
- John A. Paulson School of Engineering and Applied Science, Harvard University, Cambridge, MA
| | - Leena Pradhan-Nabzdyk
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - Christiane Ferran
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
- The Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Boston MA
- Division of Nephrology, Department of Medicine, Beth Israel Deaconess Medical Center, Boston MA
| | - Frank W. LoGerfo
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
| | - Patric Liang
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston MA
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3
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Wang S, Qin S, Cai B, Zhan J, Chen Q. Promising therapeutic mechanism for Chinese herbal medicine in ameliorating renal fibrosis in diabetic nephropathy. Front Endocrinol (Lausanne) 2023; 14:932649. [PMID: 37522131 PMCID: PMC10376707 DOI: 10.3389/fendo.2023.932649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/22/2023] [Indexed: 08/01/2023] Open
Abstract
Diabetic nephropathy (DN) is one of the most serious chronic microvascular abnormalities of diabetes mellitus and the major cause of uremia. Accumulating evidence has confirmed that fibrosis is a significant pathological feature that contributes to the development of chronic kidney disease in DN. However, the exact mechanism of renal fibrosis in DN is still unclear, which greatly hinders the treatment of DN. Chinese herbal medicine (CHM) has shown efficacy and safety in ameliorating inflammation and albuminuria in diabetic patients. In this review, we outline the underlying mechanisms of renal fibrosis in DN, including oxidative stress (OS) generation and OS-elicited ASK1-p38/JNK activation. Also, we briefly summarize the current status of CHM treating DN by improving renal fibrosis. The treatment of DN by inhibiting ASK1 activation to alleviate renal fibrosis in DN with CHM will promote the discovery of novel therapeutic targets for DN and provide a beneficial therapeutic method for DN.
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Affiliation(s)
- Shengju Wang
- Department of Nephrology, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Shuai Qin
- Department of Nephrology, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Baochao Cai
- Diabetes Department, Jiaxing Hospital of Traditional Chinese Medicine, Jiaxing, Zhejiang, China
| | - Jihong Zhan
- Department of Nephrology, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Qiu Chen
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
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4
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Liu Q, Pan J, Bao L, Xu C, Qi Y, Jiang B, Wang D, Zhu X, Li X, Zhang H, Bai H, Yang Q, Ma J, Wiemer EAC, Ben J, Chen Q. Major Vault Protein Prevents Atherosclerotic Plaque Destabilization by Suppressing Macrophage ASK1-JNK Signaling. Arterioscler Thromb Vasc Biol 2022; 42:580-596. [PMID: 35387478 DOI: 10.1161/atvbaha.121.316662] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Macrophages are implicated in atherosclerotic plaque instability by inflammation and degradation of extracellular matrix. However, the regulatory mechanisms driving these macrophage-associated processes are not well understood. Here, we aimed to identify the plaque destabilization-associated cytokines and signaling pathways in macrophages. METHODS The atherosclerotic models of myeloid-specific MVP (major vault protein) knockout mice and control mice were generated. Atherosclerotic instability, macrophage inflammatory signaling, and active cytokines released by macrophages were examined in vivo and in vitro by using cellular and molecular biological approaches. RESULTS MVP deficiency in myeloid cells exacerbated murine plaque instability by increasing production of both MMP (matrix metallopeptidase)-9 and proinflammatory cytokines in artery wall. Mechanistically, expression of MMP-9 was mediated via ASK1 (apoptosis signal-regulating kinase 1)-MKK-4 (mitogen-activated protein kinase kinase 4)-JNK (c-Jun N-terminal kinase) signaling in macrophages. MVP and its α-helical domain could bind with ASK1 and inhibit its dimerization and phosphorylation. A 62 amino acid peptide (MVP-[686-747]) in the α-helical domain of MVP showed a crucial role in preventing macrophage MMP-9 production and plaque instability. CONCLUSIONS MVP may act as an inhibitor for ASK1-JNK signaling-mediated MMP-9 production in macrophages and, thereby, attenuate unstable plaque formation. Our findings suggest that suppression of macrophage ASK1-JNK signaling may be a useful strategy antagonizing atherosclerotic diseases.
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Affiliation(s)
- Qingling Liu
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Junlu Pan
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Linrui Bao
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Chunxiang Xu
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Yu Qi
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Bin Jiang
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Dongdong Wang
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Xudong Zhu
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Xiaoyu Li
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Hanwen Zhang
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Hui Bai
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Qing Yang
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Junqing Ma
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Erik A C Wiemer
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, the Netherlands (E.A.C.W.)
| | - Jingjing Ben
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
| | - Qi Chen
- Department of Pathophysiology, Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, China (Q.L., J.P., L.B., C.X., Y.Q., B.J., D.W., X.Z., X.L., H.Z., H.B., Q.Y., J.M., J.B., Q.C.)
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5
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Jia C, Wang Q, Yao X, Yang J. The Role of DNA Damage Induced by Low/High Dose Ionizing Radiation in Cell Carcinogenesis. EXPLORATORY RESEARCH AND HYPOTHESIS IN MEDICINE 2021; 000:000-000. [DOI: 10.14218/erhm.2021.00020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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6
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Apoptosis signal-regulating kinase 1 inhibition reverses deleterious indoxyl sulfate-mediated endothelial effects. Life Sci 2021; 272:119267. [PMID: 33631173 DOI: 10.1016/j.lfs.2021.119267] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/16/2021] [Accepted: 02/17/2021] [Indexed: 12/23/2022]
Abstract
AIMS Indoxyl sulfate (IS), a protein-bound uremic toxin, is implicated in endothelial dysfunction, which contributes to adverse cardiovascular events in chronic kidney disease. Apoptosis signal regulating kinase 1 (ASK1) is a reactive oxygen species-driven kinase involved in IS-mediated adverse effects. This study assessed the therapeutic potential of ASK1 inhibition in alleviating endothelial effects induced by IS. MAIN METHODS IS, in the presence and absence of a selective ASK1 inhibitor (GSK2261818A), was assessed for its effect on vascular reactivity in rat aortic rings, and cultured human aortic endothelial cells where we evaluated phenotypic and mechanistic changes. KEY FINDINGS IS directly impairs endothelium-dependent vasorelaxation and endothelial cell migration. Mechanistic studies revealed increased production of reactive oxygen species-related markers, reduction of endothelial nitric oxide synthase and increased protein expression of tissue inhibitor of matrix metalloproteinase 1 (TIMP1). IS also increases angiopoietin-2 and tumour necrosis factor α gene expression and promotes transforming growth factor β receptor abundance. Inhibition of ASK1 ameliorated the increase in oxidative stress markers, promoted autocrine interleukin 8 pro-angiogenic signalling and decreased anti-angiogenic responses at least in part via reducing TIMP1 protein expression. SIGNIFICANCE ASK1 inhibition attenuated vasorelaxation and endothelial cell migration impaired by IS. Therefore, ASK1 is a viable intracellular target to alleviate uremic toxin-induced impairment in the vasculature.
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7
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Noguchi H, Yamada S, Hirano KI, Yamaguchi S, Suzuki A, Guo X, Zaima N, Li M, Kobayashi K, Ikeda Y, Nakayama T, Sasaguri Y. Outside-in signaling by femoral cuff injury induces a distinct vascular lesion in adipose triglyceride lipase knockout mice. Histol Histopathol 2020; 36:91-100. [PMID: 33231284 DOI: 10.14670/hh-18-285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Genetic deficiency of adipose triglyceride lipase (ATGL), a rate-limiting enzyme for intracellular triglyceride (TG) hydrolysis, causes TG-deposit cardiomyovasculopathy (TGCV), a recently identified rare cardiovascular disorder (ORPHA code: 565612) in humans. One of the major characteristics of TGCV is a novel type of diffuse and concentric coronary atherosclerosis with ATGL-deficient smooth muscle cells (SMCs). Patients with TGCV have intractable coronary artery disease. Therefore, it is crucial to investigate the mechanisms underlying vascular lesions in ATGL deficiency using animal models. Cuff injury is an experimental procedure to induce vascular remodeling with neointimal formation with SMCs after placing a cuff around the adventitial side of the artery without direct influence on endothelium. We report the effect of cuff injury on femoral arteries of ATGL-knockout (ATGL⁻/⁻) mice. Cuff-induced concentric neointimal formation with migrating SMCs was exacerbated in ATGL⁻/⁻ mice, mimicking atherosclerotic lesions in patients with TGCV. In the media, cell death of SMCs and loss of elastic fibers increased. Perivascular infiltrating cells expressing tumor necrosis factor-α (TNF-α) were more prominent in ATGL⁻/⁻ mice than in wild-type (WT) mice. In Boyden chamber experiments, a greater number of ATGL⁻/⁻ SMCs migrated in response to TNF-α compared to WT SMCs. These data, for the first time, demonstrated that outside-in signaling by cuff-induced neointimal formation where paracrine stimuli from adventitial infiltrating cells may lead to neointimal formation and mediolysis in ATGL-deficient conditions. Cuff injury might be a valuable model for understanding the mechanisms underlying the development of atherosclerotic lesions in patients with TGCV.
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Affiliation(s)
- Hirotsugu Noguchi
- Department of Pathology, School of Medicine, University of Occupational and Environmental Health, Kagoshima, Japan.,Department of Pathology, Field of Oncology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Sohsuke Yamada
- Department of Pathology, School of Medicine, University of Occupational and Environmental Health, Kagoshima, Japan.,Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Kanazawa, Japan
| | - Ken-Ichi Hirano
- Laboratory of Cardiovascular Disease, Novel, Non-invasive, and Nutritional Therapeutics (CNT) and Triglyceride Research Center (TGRC), Department of Triglyceride Science, Graduate School of Medicine, Osaka University, Osaka, Japan.
| | - Satoshi Yamaguchi
- Laboratory of Cardiovascular Disease, Novel, Non-invasive, and Nutritional Therapeutics (CNT) and Triglyceride Research Center (TGRC), Department of Triglyceride Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Akira Suzuki
- Laboratory of Cardiovascular Disease, Novel, Non-invasive, and Nutritional Therapeutics (CNT) and Triglyceride Research Center (TGRC), Department of Triglyceride Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Xin Guo
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Kanazawa, Japan
| | - Nobuhiro Zaima
- Department of Applied Biological Chemistry, Graduate School of Agriculture, Kindai University, Kindai, Japan.,Agricultural Technology and Innovation Research Institute, Kindai University, Kindai, Japan
| | - Ming Li
- Laboratory of Cardiovascular Disease, Novel, Non-invasive, and Nutritional Therapeutics (CNT) and Triglyceride Research Center (TGRC), Department of Triglyceride Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kunihisa Kobayashi
- Department of Endocrinology and Diabetes Mellitus, Fukuoka University Chikushi Hospital, Fukuoka, Japan
| | - Yoshihiko Ikeda
- Department of Pathology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Toshiyuki Nakayama
- Department of Pathology, School of Medicine, University of Occupational and Environmental Health, Kagoshima, Japan
| | - Yasuyuki Sasaguri
- Department of Pathology, School of Medicine, University of Occupational and Environmental Health, Kagoshima, Japan
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8
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Zeng Z, Xia L, Fan S, Zheng J, Qin J, Fan X, Liu Y, Tao J, Liu Y, Li K, Ling Z, Bu Y, Martin KA, Hwa J, Liu R, Tang WH. Circular RNA CircMAP3K5 Acts as a MicroRNA-22-3p Sponge to Promote Resolution of Intimal Hyperplasia Via TET2-Mediated Smooth Muscle Cell Differentiation. Circulation 2020; 143:354-371. [PMID: 33207953 DOI: 10.1161/circulationaha.120.049715] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Aberrant expression of circular RNA contributes to human diseases. Circular RNAs regulate gene expression by sequestering specific microRNAs. In this study, we investigated whether circMAP3K5 (circular mitogen-activated protein kinase 5) could act as a competing endogenous microRNA-22-3p (miR-22-3p) sponge and regulate neointimal hyperplasia. METHODS Circular RNA profiling from genome-wide RNA sequencing data was compared between human coronary artery smooth muscle cells (SMCs) treated with or without platelet-derived growth factor. Expression levels of circMAP3K5 were assessed in human coronary arteries from autopsies on patients with dilated cardiomyopathy or coronary heart disease. The role of circMAP3K5 in intimal hyperplasia was further investigated in mice with adeno-associated virus 9-mediated circMAP3K5 transfection. SMC-specific Tet2 (ten-eleven translocation-2) knockout mice and global miR-22-3p knockout mice were used to delineate the mechanism by which circMAP3K5 attenuated neointimal hyperplasia using the femoral arterial wire injury model. RESULTS RNA sequencing demonstrated that treatment with platelet-derived growth factor-BB significantly reduced expression of circMAP3K5 in human coronary artery SMCs. Wire-injured mouse femoral arteries and diseased arteries from patients with coronary heart disease (where platelet-derived growth factor-BB is increased) confirmed in vivo downregulation of circMAP3K5 associated with injury and disease. Lentivirus-mediated overexpression of circMAP3K5 inhibited the proliferation of human coronary artery SMCs. In vivo adeno-associated virus 9-mediated transfection of circMap3k5 (mouse circular Map3k5) specifically inhibited SMC proliferation in the wire-injured mouse arteries, resulting in reduced neointima formation. Using a luciferase reporter assay and RNA pull-down, circMAP3K5 (human circular MAP3K5) was found to sequester miR-22-3p, which, in turn, inhibited the expression of TET2. Both in vitro and in vivo results demonstrate that the loss of miR-22-3p recapitulated the antiproliferative effect of circMap3k5 on vascular SMCs. In SMC-specific Tet2 knockout mice, loss of Tet2 abolished the circMap3k5-mediated antiproliferative effect on vascular SMCs. CONCLUSIONS We identify circMAP3K5 as a master regulator of TET2-mediated vascular SMC differentiation. Targeting the circMAP3K5/miR-22-3p/TET2 axis may provide a potential therapeutic strategy for diseases associated with intimal hyperplasia, including restenosis and atherosclerosis.
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Affiliation(s)
- Zhi Zeng
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Luoxing Xia
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Shunyang Fan
- Heart Center, The Third Affiliated Hospital of Zhengzhou University, China (S.F.)
| | - Junmeng Zheng
- Department of Cardiovascular Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangdong, China (J.Z., J.T.)
| | - Jinhong Qin
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Xuejiao Fan
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Yunfeng Liu
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China.,Clinical Laboratory (Y.L.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Jun Tao
- Department of Cardiovascular Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangdong, China (J.Z., J.T.)
| | - Yingying Liu
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China.,Clinical Laboratory (Y.L.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Kang Li
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Zhenwei Ling
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Yun Bu
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
| | - Kathleen A Martin
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT (K.A.M., J.H.)
| | - John Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT (K.A.M., J.H.)
| | - Renjing Liu
- Victor Chang Cardiac Research Institute, Sydney, Australia (R.L.)
| | - Wai Ho Tang
- From the Institute of Pediatrics (Z.Z., L.X., J.Q., X.F., Y.L., K.L., Z.L., Y.B., W.H.T.), Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangdong, China
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9
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RE: Blockade of apoptosis signal-regulating kinase 1 ameliorates cardiac dysfunction in cardiorenal syndrome via enhancing angiogenesis. Int J Cardiol 2020; 326:156. [PMID: 33080285 DOI: 10.1016/j.ijcard.2020.10.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 10/13/2020] [Indexed: 11/22/2022]
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10
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Chen J, Zhou Y, Liu S, Li C. Biomechanical signal communication in vascular smooth muscle cells. J Cell Commun Signal 2020; 14:357-376. [PMID: 32780323 DOI: 10.1007/s12079-020-00576-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 08/04/2020] [Indexed: 12/13/2022] Open
Abstract
Biomechanical stresses are closely associated with cardiovascular development and diseases. In vivo, vascular smooth muscle cells are constantly stimulated by biomechanical factors caused by increased blood pressure leading to the non-specific activation of cell transmembrane proteins. Thus, various intracellular signal molecules are simultaneously activated via signaling cascades, which are closely related to alterations in the differentiation, phenotype, inflammation, migration, pyroptosis, calcification, proliferation, and apoptosis of vascular smooth muscle cells. Meanwhile, mechanical stress-induced miRNAs and epigenetics modification on vascular smooth muscle cells play critical roles as well. Eventually, the overall pathophysiology of the cells is altered, resulting in the development of many major clinical diseases, including hypertension, atherosclerosis, grafted venous atherosclerosis, and aneurysm, among others. In this paper, important advances in mechanical signal communication in vascular smooth muscle cells are reviewed.
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Affiliation(s)
- Jingbo Chen
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yan Zhou
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Shuying Liu
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Chaohong Li
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.
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11
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Hu L, Huang Z, Ishii H, Wu H, Suzuki S, Inoue A, Kim W, Jiang H, Li X, Zhu E, Piao L, Zhao G, Lei Y, Okumura K, Shi GP, Murohara T, Kuzuya M, Cheng XW. PLF-1 (Proliferin-1) Modulates Smooth Muscle Cell Proliferation and Development of Experimental Intimal Hyperplasia. J Am Heart Assoc 2019; 8:e005886. [PMID: 31838975 PMCID: PMC6951060 DOI: 10.1161/jaha.117.005886] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background Although apoptosis and cell proliferation have been extensively investigated in atherosclerosis and restenosis postinjury, the communication between these 2 cellular events has not been evaluated. Here, we report an inextricable communicative link between apoptosis and smooth muscle cell proliferation in the promotion of vascular remodeling postinjury. Methods and Results Cathepsin K-mediated caspase-8 maturation is a key initial step for oxidative stress-induced smooth muscle cell apoptosis. Apoptotic cells generate a potential growth-stimulating signal to facilitate cellular mass changes in response to injury. One downstream mediator that cathepsin K regulates is PLF-1 (proliferin-1), which can potently stimulate growth of surviving neighboring smooth muscle cells through activation of PI3K/Akt/p38MAPK (phosphatidylinositol 3-kinase/protein kinase B/p38 mitogen-activated protein kinase)-dependent and -independent mTOR (mammalian target of rapamycin) signaling cascades. We observed that cathepsin K deficiency substantially mitigated neointimal hyperplasia by reduction of Toll-like receptor-2/caspase-8-mediated PLF-1 expression. Interestingly, PLF-1 blocking, with its neutralizing antibody, suppressed neointima formation and remodeling in response to injury in wild-type mice. Contrarily, administration of recombinant mouse PLF-1 accelerated injury-induced vascular actions. Conclusions This is the first study detailing PLF-1 as a communicator between apoptosis and proliferation during injury-related vascular remodeling and neointimal hyperplasia. These data suggested that apoptosis-driven expression of PLF-1 is thus a novel target for treatment of apoptosis-based hyperproliferative disorders.
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Affiliation(s)
- Lina Hu
- Department of Public Health Guilin Medical College Guilin Guangxi China.,Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,Department of Community & Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
| | - Zhe Huang
- Department of Neurology Occupational and Environmental Health Kitakyushu Hukuoka Japan
| | - Hideki Ishii
- Department of Cardiology Nagoya University Graduate School of Medicine Nagoya Japan
| | - Hongxian Wu
- Department of Cardiology Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
| | - Susumu Suzuki
- Department of Cardiology Nagoya University Graduate School of Medicine Nagoya Japan
| | - Aiko Inoue
- Department of Community & Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan.,Institute of Innovation for Future Society Nagoya University Nagoya Japan
| | - Weon Kim
- Division of Cardiology Department of Internal Medicine Kyung Hee University Seoul South Korea
| | - Haiying Jiang
- Department of Physiology and Pathophysiology Yanbian University School of Medicine Yanji Jinlin China
| | - Xiang Li
- Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China
| | - Enbo Zhu
- Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China
| | - Limei Piao
- Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,Department of Community & Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
| | - Guangxian Zhao
- Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China
| | - Yanna Lei
- Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China
| | - Kenji Okumura
- Department of Cardiology Nagoya University Graduate School of Medicine Nagoya Japan
| | - Guo-Ping Shi
- Department of Cardiovascular Medicine Brigham and Women's Hospital and Harvard Medical School Boston MA
| | - Toyoaki Murohara
- Department of Cardiology Nagoya University Graduate School of Medicine Nagoya Japan
| | - Masafumi Kuzuya
- Department of Community & Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan.,Institute of Innovation for Future Society Nagoya University Nagoya Japan
| | - Xian Wu Cheng
- Department of Cardiology/Hypertension and Heart Center Yanbian University Hospital Yanji Jilin China.,Department of Community & Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan.,Division of Cardiology Department of Internal Medicine Kyung Hee University Seoul South Korea.,Institute of Innovation for Future Society Nagoya University Nagoya Japan
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12
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Kumagai M, Guo X, Wang KY, Izumi H, Tsukamoto M, Nakashima T, Tasaki T, Kurose N, Uramoto H, Sasaguri Y, Kohno K, Yamada S. Depletion of WNT10A Prevents Tumor Growth by Suppressing Microvessels and Collagen Expression. Int J Med Sci 2019; 16:416-423. [PMID: 30911276 PMCID: PMC6428976 DOI: 10.7150/ijms.26997] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 09/06/2018] [Indexed: 01/13/2023] Open
Abstract
Background: We recently reported that WNT10A plays a pivotal role in wound healing by regulating collagen expression/synthesis, as the depletion of WNT10A dramatically delays skin ulcer formation. WNT signaling also has a close correlation with the cancer microenvironment and proliferation, since tumors are actually considered to be 'unhealing' or 'overhealing' wounds. To ascertain the in vivo regulatory functions of WNT10A in tumor growth, we examined the net effects of WNT10A depletion using Wnt10a-deficient mice (Wnt10a -/-). Methods and Results: We subjected C57BL/6J wild-type (WT) or Wnt10a -/- mice to murine melanoma B16-F10 cell transplantation. Wnt10a -/- mice showed a significantly smaller volume of transplanted melanoma as well as fewer microvessels and less collagen expression and more necrosis than WT mice. Conclusions: Taken together, our observations suggest that critical in vivo roles of Wnt10a-depleted anti-stromagenesis prevent tumor growth, in contrast with true wound healing/scarring.
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Affiliation(s)
- Motona Kumagai
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa 920-0293, Japan
| | - Xin Guo
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa 920-0293, Japan
| | - Ke-Yong Wang
- Shared-Use Research Center, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Hiroto Izumi
- Department of Occupational Pneumology, School of Medicine, University of Occupational and Environmental Health
| | - Manabu Tsukamoto
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health
| | - Tamiji Nakashima
- Department of Human, Information and Life Sciences, School of Medicine, University of Occupational and Environmental Health
| | - Takashi Tasaki
- Shared-Use Research Center, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Nozomu Kurose
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa 920-0293, Japan
| | - Hidetaka Uramoto
- Department of Thoracic Surgery, Kanazawa Medical University, Ishikawa 920-0293, Japan
| | - Yasuyuki Sasaguri
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health.,Laboratory of Pathology, Fukuoka Tokushukai Hospital, Fukuoka 816-0864, Japan
| | | | - Sohsuke Yamada
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa 920-0293, Japan
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13
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Kurose N, Mizutani KI, Kumagai M, Shioya A, Guo X, Nakada S, Fujimoto S, Kawabata H, Masaki Y, Takai K, Aoki S, Kojima M, Nakamura S, Kida M, Yamada S. An extranodal histopathological analysis of idiopathic multicentric Castleman disease with and without TAFRO syndrome. Pathol Res Pract 2018; 215:410-413. [PMID: 30642741 DOI: 10.1016/j.prp.2018.12.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 11/30/2018] [Accepted: 12/24/2018] [Indexed: 12/31/2022]
Abstract
Thrombocytopenia, anasarca, fever, renal failure or reticulin fibrosis, and organomegaly (TAFRO) syndrome, a poor prognostic clinical condition showing similar histopathological findings to idiopathic multicentric Castleman disease (iMCD), has been reported in Japan. In our previous report, a clinicopathological analysis was performed on 70 nodal cases of iMCD with/without TAFRO. iMCD is classified into three types based on histopathology: (i) plasmacytic (PC), (ii) mixed, and (iii) hypervascular (hyperV). In this report, extranodal histopathological changes of iMCD with/without TAFRO were analyzed. Regarding the kidney pathology, we observed the proliferation of mesangial cells with positive staining of interleukin-6 (IL-6), consistent with membranoproliferative glomerulonephritis, in two cases of iMCD with TAFRO. The number of megakaryocytes per high-powered fields was not significantly different between iMCD cases with and without TAFRO. In conclusion, extranodal lesions of iMCD with/without TAFRO showed various interesting histopathological findings. These lesions may therefore be related to the clinical condition of TAFRO. Obtaining further knowledge about TAFRO will require the observation of nodal as well as extranodal lesions.
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Affiliation(s)
- Nozomu Kurose
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa, Japan.
| | - Ken-Ichi Mizutani
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa, Japan
| | - Motona Kumagai
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa, Japan
| | - Akihiro Shioya
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa, Japan
| | - Xin Guo
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa, Japan
| | - Satoko Nakada
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa, Japan
| | - Shino Fujimoto
- Department of Hematology and Immunology, Kanazawa Medical University, Ishikawa, Japan
| | - Hiroshi Kawabata
- Department of Hematology and Immunology, Kanazawa Medical University, Ishikawa, Japan
| | - Yasufumi Masaki
- Department of Hematology and Immunology, Kanazawa Medical University, Ishikawa, Japan
| | - Kazue Takai
- Division of Hematology, Niigata City General Hospital, Niigata, Japan
| | - Sadao Aoki
- Department of Pathophysiology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Masaru Kojima
- Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Tochigi, Japan
| | - Shigeo Nakamura
- Department of Pathology and Biological Response, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Masatoshi Kida
- Department of Pathology and Laboratory Medicine, University of Vermont College of Medicine, Burlington, USA
| | - Sohsuke Yamada
- Department of Pathology and Laboratory Medicine, Kanazawa Medical University, Ishikawa, Japan
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14
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Liles JT, Corkey BK, Notte GT, Budas GR, Lansdon EB, Hinojosa-Kirschenbaum F, Badal SS, Lee M, Schultz BE, Wise S, Pendem S, Graupe M, Castonguay L, Koch KA, Wong MH, Papalia GA, French DM, Sullivan T, Huntzicker EG, Ma FY, Nikolic-Paterson DJ, Altuhaifi T, Yang H, Fogo AB, Breckenridge DG. ASK1 contributes to fibrosis and dysfunction in models of kidney disease. J Clin Invest 2018; 128:4485-4500. [PMID: 30024858 DOI: 10.1172/jci99768] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 07/13/2018] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress is an underlying component of acute and chronic kidney disease. Apoptosis signal-regulating kinase 1 (ASK1) is a widely expressed redox-sensitive serine threonine kinase that activates p38 and c-Jun N-terminal kinase (JNK) mitogen-activated protein kinase kinases, and induces apoptotic, inflammatory, and fibrotic signaling in settings of oxidative stress. We describe the discovery and characterization of a potent and selective small-molecule inhibitor of ASK1, GS-444217, and demonstrate the therapeutic potential of ASK1 inhibition to reduce kidney injury and fibrosis. Activation of the ASK1 pathway in glomerular and tubular compartments was confirmed in renal biopsies from patients with diabetic kidney disease (DKD) and was decreased by GS-444217 in several rodent models of kidney injury and fibrosis that collectively represented the hallmarks of DKD pathology. Treatment with GS-444217 reduced progressive inflammation and fibrosis in the kidney and halted glomerular filtration rate decline. Combination of GS-444217 with enalapril, an angiotensin-converting enzyme inhibitor, led to a greater reduction in proteinuria and regression of glomerulosclerosis. These results identify ASK1 as an important target for renal disease and support the clinical development of an ASK1 inhibitor for the treatment of DKD.
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Affiliation(s)
| | | | | | | | | | | | | | - Michael Lee
- Gilead Sciences, Foster City, California, USA
| | | | - Sarah Wise
- Gilead Sciences, Foster City, California, USA
| | | | | | | | - Keith A Koch
- Consortium for Fibrosis Research and Translation, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
| | | | | | | | | | | | - Frank Y Ma
- Department of Nephrology and Monash University Centres for Inflammatory Diseases, Monash Medical Centre, Clayton, Victoria, Australia
| | - David J Nikolic-Paterson
- Department of Nephrology and Monash University Centres for Inflammatory Diseases, Monash Medical Centre, Clayton, Victoria, Australia
| | - Tareq Altuhaifi
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Haichun Yang
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Agnes B Fogo
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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15
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Kurose N, Futatsuya C, Mizutani KI, Kumagai M, Shioya A, Guo X, Aikawa A, Nakada S, Fujimoto S, Kawabata H, Masaki Y, Takai K, Aoki S, Kojima M, Nakamura S, Yamada S. The clinicopathological comparison among nodal cases of idiopathic multicentric Castleman disease with and without TAFRO syndrome. Hum Pathol 2018; 77:130-138. [PMID: 29684500 DOI: 10.1016/j.humpath.2018.04.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 04/05/2018] [Accepted: 04/13/2018] [Indexed: 01/09/2023]
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16
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Liu H, Jin H, Yue X, Han J, Baum P, Abendschein DR, Tu Z. PET Study of Sphingosine-1-Phosphate Receptor 1 Expression in Response to Vascular Inflammation in a Rat Model of Carotid Injury. Mol Imaging 2018; 16:1536012116689770. [PMID: 28654378 PMCID: PMC5470136 DOI: 10.1177/1536012116689770] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Sphingosine-1-phosphate receptor (S1PR) activation plays a key role in vascular inflammatory response. Here, we report in vivo validation of [11C]TZ3321, a potent S1PR1 radioligand, for imaging vascular inflammation in a rat model of carotid injury. The right common carotid artery of male adult Sprague-Dawley rats was injured by balloon overinflation that denuded the endothelium and distended the vessel wall. Animals received a 60-minute micro-positron emission tomography (micro PET) scan with [11C]TZ3321 at 72 hours after injury. Ex vivo autoradiography was also conducted. The expression and cellular location of S1PR1 were examined by immunohistological analysis. Three-dimensional (3D) reconstruction of the first 100-second microPET/computed tomography (CT) image indicated the location of bilateral common carotid arteries. [11C]TZ3321 displayed significantly higher accumulation (standardized uptake values: 0.93 ± 0.07 vs 0.78 ± 0.09, n = 6, P = .001) in the injured carotid artery than in the contralateral side. Increased tracer uptake in the injured artery was confirmed by autoradiography (photostimulated luminescence measures: 85.5 ± 0.93 vs 71.48 ± 6.22, n = 2). Concordantly, high S1PR1expression was observed in infiltrated inflammatory cells in the injured artery. Our studies demonstrate [11C]TZ3321 microPET is able to detect the acute upregulation of S1PR1 expression in inflamed carotid artery. Therefore, [11C]TZ3321 has potential to be a PET radiotracer for detecting early inflammatory response and monitoring therapeutic efficacy of vascular inflammation.
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Affiliation(s)
- Hui Liu
- 1 Department of Radiology, Washington University School of Medicine, St Louis, MO, USA
| | - Hongjun Jin
- 1 Department of Radiology, Washington University School of Medicine, St Louis, MO, USA
| | - Xuyi Yue
- 1 Department of Radiology, Washington University School of Medicine, St Louis, MO, USA
| | - Junbin Han
- 1 Department of Radiology, Washington University School of Medicine, St Louis, MO, USA
| | - Pamela Baum
- 2 Center for Cardiovascular Research, Department of Internal Medicine, Washington University School of Medicine, St Louis, MO, USA
| | - Dana R Abendschein
- 2 Center for Cardiovascular Research, Department of Internal Medicine, Washington University School of Medicine, St Louis, MO, USA
| | - Zhude Tu
- 1 Department of Radiology, Washington University School of Medicine, St Louis, MO, USA
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17
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Wang KY, Yamada S, Izumi H, Tsukamoto M, Nakashima T, Tasaki T, Guo X, Uramoto H, Sasaguri Y, Kohno K. Critical in vivo roles of WNT10A in wound healing by regulating collagen expression/synthesis in WNT10A-deficient mice. PLoS One 2018; 13:e0195156. [PMID: 29596490 PMCID: PMC5875851 DOI: 10.1371/journal.pone.0195156] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 03/16/2018] [Indexed: 12/21/2022] Open
Abstract
Background We have reported that WNT10A plays a critical role in the growth of fibroblasts/myofibroblasts and microvascular endothelial cells, i.e.; wound healing/scarring. To ascertain the in vivo regulatory, central functions of WNT10A, we examined the net effects of WNT10A depletion using WNT10A-deficient mice (WNT10A–/–). Methods and results We generated WNT10A–/–mice, displaying a range of unique phenotypes of morpho/organogenetic failure, such as growth retardation, alopecia, kyphosis and infertility, and then focused on the functions of WNT10A in wound healing. We subjected C57BL/6J wild-type (WT) or WNT10A–/–mice to skin ulcer formation. The WNT10A–/–mice had significantly larger injured areas and delayed wound healing, which were associated with (a) a smaller number of fibroblasts/myofibroblasts and microvessels; and (b) more reduced expression and synthesis of collagen, compared with WT mice with intact WNT10A expression, especially in those with activated myofibroblasts. Conclusions These observations indicate that WNT10A signaling can play a pivotal in vivo role in wound healing by regulating the expression and synthesis of collagen, as one of fibrogenic factors, at least in part, and critical in vivo roles of WNT10A-mediated effective wound healing are extremely closely associated with collagen expression.
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Affiliation(s)
- Ke-Yong Wang
- Shared-Use Research Center, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Sohsuke Yamada
- Department of Pathology and Laboratory Medicine Kanazawa Medical University, Ishikawa, Japan
- * E-mail: (SY); (KK)
| | - Hiroto Izumi
- Department of Occupational Pneumology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Manabu Tsukamoto
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Tamiji Nakashima
- Department of Human, Information and Life Sciences School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Takashi Tasaki
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Xin Guo
- Department of Pathology and Laboratory Medicine Kanazawa Medical University, Ishikawa, Japan
| | - Hidetaka Uramoto
- Department of Thoracic Surgery, Kanazawa Medical University, Ishikawa, Japan
| | - Yasuyuki Sasaguri
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
- Laboratory of Pathology, Fukuoka Tokushukai Hospital, Fukuoka, Japan
| | - Kimitoshi Kohno
- Asahi-Matsumoto Hospital, Kitakyushu, Japan
- * E-mail: (SY); (KK)
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18
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Yamada S, Guo X. Peroxiredoxin 4 (PRDX4): Its critical in vivo
roles in animal models of metabolic syndrome ranging from atherosclerosis to nonalcoholic fatty liver disease. Pathol Int 2018; 68:91-101. [PMID: 29341349 DOI: 10.1111/pin.12634] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Accepted: 12/13/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Sohsuke Yamada
- Department of Pathology and Laboratory Medicine; Kanazawa Medical University; Ishikawa Japan
| | - Xin Guo
- Department of Pathology and Laboratory Medicine; Kanazawa Medical University; Ishikawa Japan
- Laboratory of Pathology; Hebei Cancer Institute; The Fourth Hospital of Hebei Medical University; Hebei China
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19
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Association of Casp3 microRNA Target Site (1049216) SNP With the Risk and Progress of Cervical Squamous Cell Carcinoma. Int J Gynecol Cancer 2018; 27:206-213. [PMID: 28114230 DOI: 10.1097/igc.0000000000000881] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE In the present study, we investigated the relationship between the single-nucleotide polymorphism (SNP) of caspase-3 rs1049216 (C > T), a miRNA target site, and the risk and progression of cervical cancer. MATERIALS AND METHODS Using polymerase chain reaction-restriction fragment length polymorphism, we evaluated the genotype and distribution of caspase-3 rs1049216 in 515 patients with cervical squamous cell cancer and 415 controls. In additional experiments, we transfected luciferase reporter plasmids carrying T or C allele and/or miRNA mimics into the human cervical cell lines (HeLa and C-33A) to analyze its roles in the regulation of caspase-3 expression. By immunohistochemistry, the protein level of caspase-3 expression was examined in tumor tissues from 515 patients with cervical squamous cell cancer. RESULTS We found that the TT genotype of caspase-3 rs1049216 conferred a significantly decreased risk of cervical cancer (adjusted odds ratio, 0.35; 95% confidence interval, 0.154-0.581) and may be associated with the progression of this cancer. Although the expression of caspase-3 in the TT genotype was higher than that in CC/CT genotype in peripheral blood mononuclear cells and tumor tissues. Additional luciferase analysis showed that the rs1049216 variant T allele was associated with significantly higher luciferase activity, compared with the C allele in the transfected cells, and when cotransfected with miRNAs, miRNA-181a could downregulate the luciferase activity in the cells that transfected the construct containing C allele, compared with T allele, which had not happened in the presence of other miRNAs selected. CONCLUSIONS These data indicate that through upregulating the expression of caspase-3, the TT genotype of caspase-3 rs1049216 can be associated with not only the risk of cervical cancer but also the progression of this cancer.
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20
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Liu T, Zhou HJ, Min W. ASK family in cardiovascular biology and medicine. Adv Biol Regul 2017; 66:54-62. [PMID: 29107568 PMCID: PMC5705453 DOI: 10.1016/j.jbior.2017.10.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 10/22/2017] [Accepted: 10/23/2017] [Indexed: 01/03/2023]
Abstract
Cardiovascular disease is a major cause of death worldwide. Mitogen-activated protein kinase (MAPK) signal cascades signaling pathways play crucial roles in cardiovascular pathophysiology. Apoptosis signal-regulating kinase (ASK) family members ASK1, ASK2 and ASK3 are the key molecules in MAPK signal cascades and are activated by various stresses. ASK1 is the most extensively studied MAPKKK and is involved in regulation of the cellular functions such as cell survival, proliferation, inflammation and apoptosis. The current review focuses on the relationship between ASK1 and cardiovascular disease, while exploring the novel therapeutic strategies for cardiovascular disease involved in the ASK1 signal pathway.
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Affiliation(s)
- Tingting Liu
- Center for Translational Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Huanjiao Jenny Zhou
- Department of Pathology and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT, USA
| | - Wang Min
- Center for Translational Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; Department of Pathology and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT, USA.
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21
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XAV939 Inhibits Intima Formation by Decreasing Vascular Smooth Muscle Cell Proliferation and Migration Through Blocking Wnt Signaling. J Cardiovasc Pharmacol 2017; 68:414-424. [PMID: 27525574 DOI: 10.1097/fjc.0000000000000427] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Excessive proliferation, migration, and oxidative stress of vascular smooth muscle cells (VSMCs) are key mechanisms involved in intima formation, which is the basic pathological process of in stent restenosis. This study aims at exploring the role of XAV939 in proliferation, migration, and reactive oxygen species (ROS) generation of VSMCs, and hence evaluating its effects on intima formation. METHODS Carotid artery ligation models for C57BL/6 mice were established and gave them different intervention: saline, XAV939, Axin2 overexpression adenovirus, and negative control adenovirus. The intima formation was assayed by intima area and intima/media ratio. To investigate the underlying mechanisms, primary rat VSMCs were cultured and treated with XAV939 and platelet-derived growth factor-BB. EdU, direct cell counting, cell wound-healing assay, and flow cytometry were used to measure proliferation, migration, cell cycle, apoptosis, and ROS generation of VSMCs, respectively. By Western blot, we examined proliferating cell nuclear antigen, Cyclin D1, Cyclin E, p21, β-actin, JNK, phosphorylated JNK, Axin2 and β-catenin expression. Immunofluorescence staining and confocal microscopy were conducted to detect translocation of β-catenin. RESULTS XAV939 inhibited intima formation, which was exhibited by the loss of intima area and I/M ratio and attenuated proliferation, migration, and ROS generation, as well as promoted cell cycle arrest of VSMCs. Specifically, XAV939 inhibited Wnt pathway. CONCLUSIONS XAV939 attenuates intima formation because of its inhibition of proliferation, migration, and apoptosis of VSMCs through suppression of Wnt signaling pathway.
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Yamada S, Kawaguchi H, Yamada T, Guo X, Matsuo K, Hamada T, Miura N, Tasaki T, Tanimoto A. Cholic Acid Enhances Visceral Adiposity, Atherosclerosis and Nonalcoholic Fatty Liver Disease in Microminipigs. J Atheroscler Thromb 2017; 24:1150-1166. [PMID: 28496045 PMCID: PMC5684480 DOI: 10.5551/jat.39909] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 03/21/2017] [Indexed: 01/02/2023] Open
Abstract
AIM We have recently established a novel swine model for studies of atherosclerosis using MicrominipigsTM (µMPs) fed a high-fat/high-cholesterol diet (HcD). Using this swine model, we re-evaluated the effects of dietary cholic acid (CA) on serum lipid profile, atherosclerosis and hepatic injuries. METHODS The µMPs were fed HcD supplemented with 0.7% CA (HcD+CA) for eight weeks, and the effect of CA on serum lipoprotein levels, expression of oxidative stress markers, adiposity and lesion formation in the aorta, liver, and other organs was investigated. RESULTS The HcD+CA-fed group exhibited more visceral adiposity, progression of atherosclerosis and higher serum levels of oxidative stress markers than the HcD-fed group, even though they showed similar serum lipid levels. The liver demonstrated increased lipid accumulation, higher expression of oxidative stress markers, accelerated activation of foamy Kupffer cells and stellate cells, and increased hepatocyte apoptosis, indicating non-alcoholic fatty liver disease (NAFLD). Intriguingly, foamy macrophage mobilization was observed in various organs, including the reticuloendothelial system, pulmonary capillary vessels and skin very often in HcD+CA-fed µMPs. CONCLUSION To our knowledge, this is the first large animal model, in which visceral obesity, NAFLD and atherosclerosis are concomitantly induced by dietary manipulation. These data suggest the detrimental effects of CA, potentially through local and systemic activation of oxidative stress-induced signaling to macrophage mobilization, on the acceleration of visceral adiposity, atherosclerosis and NAFLD.
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Affiliation(s)
- Sohsuke Yamada
- Department of Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Hiroaki Kawaguchi
- Department of Hygiene and Health Promotion Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | | | - Xin Guo
- Department of Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Kei Matsuo
- Department of Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Taiji Hamada
- Department of Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Naoki Miura
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Takashi Tasaki
- Department of Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Akihide Tanimoto
- Department of Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
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Lin Y, Zeng H, Gao L, Gu T, Wang C, Zhang H. Hydrogen Sulfide Attenuates Atherosclerosis in a Partially Ligated Carotid Artery Mouse model via Regulating Angiotensin Converting Enzyme 2 Expression. Front Physiol 2017; 8:782. [PMID: 29066981 PMCID: PMC5641337 DOI: 10.3389/fphys.2017.00782] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 09/25/2017] [Indexed: 12/18/2022] Open
Abstract
Hydrogen sulfide has been suggested to play an essential role in atherogenesis. There is a paucity of information about the association between H2S and angiotensin converting enzyme 2 (ACE2), a novel homolog of ACE. Therefore, the aim of the study was to explore the role of H2S in atherosclerosis with respect to ACE2 both in vitro and in vivo. Here, a murine model of acutely disturbed flow-induced atherosclerosis by left common carotid artery (LCA) partial ligation was utilized. We found that carotid partial ligation in high-fat fed apoE−/− mice significantly inhibited endogenous H2S synthesis in LCA. Application of NaHS, an H2S donor considerably attenuated the severity of atherosclerosis with upregulating carotid expression of ACE2, thus converting pro-atherosclerotic angiotensin II (Ang II) to anti-atherosclerotic angiotensin 1-7 (Ang-(1-7)). The anti-atherosclerotic effect of NaHS was dramatically abolished by treatment with MLN-4760, an ACE2 inhibitor. In contrast, blockage of H2S formation by DL-propargylglycine exacerbated the burden of atherosclerotic plaques accompanied by inhibiting carotid expression of ACE2. At the cellular level, NaHS dose-dependently promoted the expression of ACE2 and conversion from Ang II to Ang-(1-7) in unstimulated or LPS-stimulated endothelial cells, thus exerting anti-inflammatory properties. The anti-inflammatory effect of NaHS was abrogated by pretreatment with DX600, a selective ACE2 inhibitor. In conclusion, these data provide direct evidences that endogenous H2S insufficiency exists in acute flow disturbance-induced atherosclerosis and that application of H2S may protect against atherosclerosis via upregulating ACE2 expression in endothelial cells.
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Affiliation(s)
- Yanjun Lin
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Huasu Zeng
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Lin Gao
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Ting Gu
- Department of Oral and Maxillofacial Pathology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Changqian Wang
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Huili Zhang
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
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Yamada S, Tanimoto A, Sasaguri Y. Critical in vivo roles of histamine and histamine receptor signaling in animal models of metabolic syndrome. Pathol Int 2016; 66:661-671. [PMID: 27860077 DOI: 10.1111/pin.12477] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 10/19/2016] [Accepted: 10/25/2016] [Indexed: 11/30/2022]
Abstract
Histamine, a classic low-molecular-weight amine, is synthesized from L-histidine by histidine decarboxylase (HDC), and histamine-specific receptors (HRs) are essential for its actions. Our serial in vivo studies have uniquely reported that expression of histamine/HRs is variably identified in atherosclerotic lesions, and that HDC-gene knockout mice without histamine/HRs signaling show a marked reduction of atherosclerotic progression. These data have convinced us that histamine plays a pivotal role in the pathogenesis of atherosclerosis. Among four subclasses of HRs, the expression profile of the main receptors (H1/2R) has been shown to be switched from H2R to H1R during monocyte to macrophage differentiation, and H1R is also predominant in smooth muscle and endothelial cells of atheromatous plaque. Using various animal models of H1/2R-gene knockout mice, H1R and H2R were found to reciprocally but critically regulate not only hypercholesterolemia-induced atherosclerosis and injury-induced arteriosclerosis, but also hyperlipidemia-induced nonalcoholic fatty liver disease (NAFLD). Metabolic syndrome manifests obesity, dyslipidemia, insulin resistance, atherosclerosis, and/or NAFLD, i.e. the dysregulation of lipid/bile acid/glucose metabolism. Therefore, although its etiology is complicated and multifactorial, histamine/HRs signaling has a close relationship with the development of metabolic syndrome. We herein review diverse, key in vivo roles of histamine/HR signaling in the pathogenesis of metabolic syndrome.
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Affiliation(s)
- Sohsuke Yamada
- Department of Pathology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Akihide Tanimoto
- Department of Pathology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
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Yamada S, Guo X, Wang K, Tanimoto A, Sasaguri Y. Novel function of histamine signaling via histamine receptors in cholesterol and bile acid metabolism: Histamine H2 receptor protects against nonalcoholic fatty liver disease. Pathol Int 2016; 66:376-85. [PMID: 27321390 DOI: 10.1111/pin.12423] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 04/11/2016] [Accepted: 05/18/2016] [Indexed: 01/01/2023]
Affiliation(s)
- Sohsuke Yamada
- Department of Pathology, Field of Oncology, Kagoshima University Graduate School of Medical and Dental Sciences Kagoshima Japan
- Department of Pathology and Cell Biology School of Medicine, University of Occupational and Environmental Health Kitakyushu Japan
| | - Xin Guo
- Department of Pathology, Field of Oncology, Kagoshima University Graduate School of Medical and Dental Sciences Kagoshima Japan
- Department of Pathology and Cell Biology School of Medicine, University of Occupational and Environmental Health Kitakyushu Japan
- Laboratory of Pathology, Hebei Cancer Institute, the Fourth Hospital of Hebei Medical University Shijiazhuang China
| | - Ke‐Yong Wang
- Department of Pathology and Cell Biology School of Medicine, University of Occupational and Environmental Health Kitakyushu Japan
- Shared‐Use Research Center School of Medicine, University of Occupational and Environmental Health Kitakyushu Japan
| | - Akihide Tanimoto
- Department of Pathology, Field of Oncology, Kagoshima University Graduate School of Medical and Dental Sciences Kagoshima Japan
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Nawata A, Noguchi H, Mazaki Y, Kurahashi T, Izumi H, Wang KY, Guo X, Uramoto H, Kohno K, Taniguchi H, Tanaka Y, Fujii J, Sasaguri Y, Tanimoto A, Nakayama T, Yamada S. Overexpression of Peroxiredoxin 4 Affects Intestinal Function in a Dietary Mouse Model of Nonalcoholic Fatty Liver Disease. PLoS One 2016; 11:e0152549. [PMID: 27035833 PMCID: PMC4818088 DOI: 10.1371/journal.pone.0152549] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2015] [Accepted: 03/16/2016] [Indexed: 02/07/2023] Open
Abstract
Background Accumulating evidence has shown that methionine- and choline-deficient high fat (MCD+HF) diet induces the development of nonalcoholic fatty liver disease (NAFLD), in which elevated reactive oxygen species play a crucial role. We have reported that peroxiredoxin 4 (PRDX4), a unique secretory member of the PRDX antioxidant family, protects against NAFLD progression. However, the detailed mechanism and potential effects on the intestinal function still remain unclear. Methods & Results Two weeks after feeding mice a MCD+HF diet, the livers of human PRDX4 transgenic (Tg) mice exhibited significant suppression in the development of NAFLD compared with wild-type (WT) mice. The serum thiobarbituric acid reactive substances levels were significantly lower in Tg mice. In contrast, the Tg small intestine with PRDX4 overexpression showed more suppressed shortening of total length and villi height, and more accumulation of lipid in the jejunum, along with lower levels of dihydroethidium binding. The enterocytes exhibited fewer apoptotic but more proliferating cells, and inflammation was reduced in the mucosa. Furthermore, the small intestine of Tg mice had significantly higher expression of cholesterol absorption-regulatory factors, including liver X receptor-α, but lower expression of microsomal triglyceride-transfer protein. Conclusion Our present data provide the first evidence of the beneficial effects of PRDX4 on intestinal function in the reduction of the severity of NAFLD, by ameliorating oxidative stress-induced local and systemic injury. We can suggest that both liver and intestine are spared, to some degree, by the antioxidant properties of PRDX4.
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Affiliation(s)
- Aya Nawata
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
- The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Hirotsugu Noguchi
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Yuichi Mazaki
- Department of Cellular Pharmacology, Graduate School of Medicine, Hokkaido University, Sapporo, 060–8638, Japan
| | - Toshihiro Kurahashi
- Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, Yamagata, 990–9585, Japan
| | - Hiroto Izumi
- Department of Occupational Pneumology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Ke-Yong Wang
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
- Shared-Use Research Center, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Xin Guo
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
- Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Hidetaka Uramoto
- Laboratory of Pathology, Hebei Cancer Institute, the Fourth Hospital of Hebei, Medical University, Jiankang Road 12, Shijiazhuang, 050011, Hebei, China
- Department of Thoracic Surgery, Saitama Cancer Center, Saitama, 362–0806, Japan
| | - Kimitoshi Kohno
- The President Laboratory, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
- Asahi-Matsumoto Hospital, Kitakyushu, 800–0242, Japan
| | - Hatsumi Taniguchi
- Department of Microbiology, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Yoshiya Tanaka
- The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Junichi Fujii
- Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, Yamagata, 990–9585, Japan
| | - Yasuyuki Sasaguri
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
- Laboratory of Pathology, Fukuoka Wajiro Hospital, Fukuoka, 811–0213, Japan
| | - Akihide Tanimoto
- Department of Pathology, Field of Oncology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, 890–8544, Japan
| | - Toshiyuki Nakayama
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
| | - Sohsuke Yamada
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, 807–8555, Japan
- Department of Pathology, Field of Oncology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, 890–8544, Japan
- Institute of Pathology, Medical University of Graz, Graz, 8010, Austria
- Institute of Molecular Biosciences, University of Graz, Graz, 8010, Austria
- * E-mail:
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Spira D, Grözinger G, Domschke N, Bantleon R, Schmehl J, Wiskirchen J, Wiesinger B. Cell Cycle Regulation of Smooth Muscle Cells--Searching for Inhibitors of Neointima Formation: Is Combretastatin A4 an Alternative to Sirolimus and Paclitaxel? J Vasc Interv Radiol 2015; 26:1388-95. [PMID: 26169455 DOI: 10.1016/j.jvir.2015.05.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 05/04/2015] [Accepted: 05/10/2015] [Indexed: 12/15/2022] Open
Abstract
PURPOSE To compare the effects of sirolimus, paclitaxel, and combretastatin A4 (CA4) on regulatory proteins of the cell cycle in proliferating smooth muscle cells (SMCs). MATERIALS AND METHODS Human aortic SMCs were treated with sirolimus, paclitaxel, and CA4 at 5 × 10(-9) mol/L. After 1 day, half of the cells were harvested (DAY1 group). The treatment medium of the other half was replaced with culture medium on day 4, and those cells were harvested on day 5 (DAY5 group). Cyclins D1, D2, E, and A and cyclin-dependent kinase (CDK) inhibitors p16, p21, and p27 were detected by Western blot technique. Quantification was performed by scanning densitometry of the specific bands. RESULTS In the DAY1 group, treatment with sirolimus resulted in decreased intracellular levels of cyclins D2 and A (P < .05). Increased D cyclins and reduced levels of cyclins E and A (P < .05) in the DAY5 group indicated a permanent G1/S block by sirolimus. Paclitaxel led to only slight alterations of cyclin and CDK inhibitor expression (P > .05). In the DAY1 group, CA4 decreased intracellular levels of cyclins D2, E, and A (P < .05). Despite recovery effects in the DAY5 group (increase of cyclins D1, D2, and A compared with DAY1 group; P < .05), the upregulation of the CDK inhibitor p21, increased D cyclins, and decreased cyclins E and A (P < .05) are compatible with a G1 arrest. CONCLUSIONS CA4 is a stronger inhibitor of the SMC cycle than sirolimus or paclitaxel and may represent an alternative for drug-eluting stents in atherosclerotic luminal stenosis. The effect of CA4 on neointima formation should be evaluated further.
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Affiliation(s)
- Daniel Spira
- Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 110, Heidelberg 69120, Germany.
| | - Gerd Grözinger
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
| | - Nicole Domschke
- Department of Internal Medicine, SRH Hospital Sigmaringen, Sigmaringen, Germany
| | - Rüdiger Bantleon
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
| | - Jörg Schmehl
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
| | - Jakub Wiskirchen
- Department of Radiology and Nuclear Medicine, Franziskus Hospital, Bielefeld, Germany
| | - Benjamin Wiesinger
- Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany
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Yamada S, Wang KY, Tanimoto A, Sasaguri Y. Novel function of histamine signaling in hyperlipidemia-induced atherosclerosis: Histamine H1 receptors protect and H2 receptors accelerate atherosclerosis. Pathol Int 2015; 65:67-80. [DOI: 10.1111/pin.12246] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Accepted: 11/28/2014] [Indexed: 01/25/2023]
Affiliation(s)
- Sohsuke Yamada
- Department of Pathology and Cell Biology; School of Medicine; University of Occupational and Environmental Health; Kitakyushu
| | - Ke-Yong Wang
- Department of Pathology and Cell Biology; School of Medicine; University of Occupational and Environmental Health; Kitakyushu
- Shared-Use Research Center; School of Medicine; University of Occupational and Environmental Health; Kitakyushu Japan
| | - Akihide Tanimoto
- Department of Pathology and Cell Biology; School of Medicine; University of Occupational and Environmental Health; Kitakyushu
- Department of Tumor Pathology; Field of Oncology; Kagoshima University Graduate School of Medical and Dental Sciences; Kagoshima Japan
| | - Yasuyuki Sasaguri
- Department of Pathology and Cell Biology; School of Medicine; University of Occupational and Environmental Health; Kitakyushu
- Laboratory of Pathology; Fukuoka Wajiro Hospital; Fukuoka Japan
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Yamada S, Koyama T, Noguchi H, Ueda Y, Kitsuyama R, Shimizu H, Tanimoto A, Wang KY, Nawata A, Nakayama T, Sasaguri Y, Satoh T. Marine hydroquinone zonarol prevents inflammation and apoptosis in dextran sulfate sodium-induced mice ulcerative colitis. PLoS One 2014; 9:e113509. [PMID: 25409433 PMCID: PMC4237432 DOI: 10.1371/journal.pone.0113509] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 10/24/2014] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND AND AIM We previously identified an anti-inflammatory compound, zonarol, a hydroquinone isolated from the brown algae Dictyopteris undulata as a marine natural product. To ascertain the in vivo functions of zonarol, we examined the pharmacological effects of zonarol administration on dextran sulfate sodium (DSS)-induced inflammation in a mouse model of ulcerative colitis (UC). Our goal is to establish a safe and effective cure for inflammatory bowel disease (IBD) using zonarol. METHODS AND RESULTS We subjected Slc:ICR mice to the administration of 2% DSS in drinking water for 14 days. At the same time, 5-aminosalicylic acid (5-ASA) at a dose of 50 mg/kg (positive control) and zonarol at doses of 10 and 20 mg/kg, were given orally once a day. DSS-treated animals developed symptoms similar to those of human UC, such as severe bloody diarrhea, which were evaluated by the disease activity index (DAI). Treatment with 20 mg/kg of zonarol, as well as 5-ASA, significantly suppressed the DAI score, and also led to a reduced colonic ulcer length and/or mucosal inflammatory infiltration by various immune cells, especially macrophages. Zonarol treatment significantly reduced the expression of pro-inflammatory signaling molecules, and prevented the apoptosis of intestinal epithelial cells. Finally, zonarol protected against in vitro lipopolysaccharide (LPS)-induced activation in the RAW264.7 mouse macrophage cell line. CONCLUSIONS This is the first report that a marine bioproduct protects against experimental UC via the inhibition of both inflammation and apoptosis, very similar to the standard-of-care sulfasalazine, a well-known prodrug that releases 5-ASA. We believe that the oral administration of zonarol might offer a better treatment for human IBDs than 5-ASA, or may be useful as an alternative/additive therapeutic strategy against UC, without any evidence of side effects.
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Affiliation(s)
- Sohsuke Yamada
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Tomoyuki Koyama
- Laboratory of Nutraceuticals and Functional Foods Science, Graduate School of Marine Science and Technology, Tokyo 108-8477, Japan
| | - Hirotsugu Noguchi
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Yuki Ueda
- Laboratory of Nutraceuticals and Functional Foods Science, Graduate School of Marine Science and Technology, Tokyo 108-8477, Japan
| | - Ryo Kitsuyama
- Department of Welfare Engineering, Faculty of Engineering, Iwate University, Morioka 020-8551, Japan
| | - Hiroya Shimizu
- Department of Welfare Engineering, Faculty of Engineering, Iwate University, Morioka 020-8551, Japan
| | - Akihide Tanimoto
- Department of Molecular and Cellular Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8544, Japan
| | - Ke-Yong Wang
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
- Shared-Use Research Center, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Aya Nawata
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Toshiyuki Nakayama
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
| | - Yasuyuki Sasaguri
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu 807-8555, Japan
- Laboratory of Pathology, Fukuoka Wajiro Hospital, Fukuoka 811-0213, Japan
| | - Takumi Satoh
- Department of Welfare Engineering, Faculty of Engineering, Iwate University, Morioka 020-8551, Japan
- Department of Anti-Aging Food Research, School of Bioscience and Biotechnology, Tokyo University of Technology, Hachioji 192-0982, Japan
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Nitric oxide exerts protective effects against bleomycin-induced pulmonary fibrosis in mice. Respir Res 2014; 15:92. [PMID: 25092105 PMCID: PMC4237963 DOI: 10.1186/s12931-014-0092-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 07/29/2014] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Increased expression of nitric oxide synthase (NOS) and an increase in plasma nitrite plus nitrate (NOx) have been reported in patients with pulmonary fibrosis, suggesting that nitric oxide (NO) plays an important role in its development. However, the roles of the entire NO and NOS system in the pathogenesis of pulmonary fibrosis still remain to be fully elucidated. The aim of the present study is to clarify the roles of NO and the NOS system in pulmonary fibrosis by using the mice lacking all three NOS isoforms. METHODS Wild-type, single NOS knockout and triple NOS knockout (n/i/eNOS-/-) mice were administered bleomycin (BLM) intraperitoneally at a dose of 8.0 mg/kg/day for 10 consecutive days. Two weeks after the end of the procedure, the fibrotic and inflammatory changes of the lung were evaluated. In addition, we evaluated the effects of long-term treatment with isosorbide dinitrate, a NO donor, on the n/i/eNOS-/- mice with BLM-induced pulmonary fibrosis. RESULTS The histopathological findings, collagen content and the total cell number in bronchoalveolar lavage fluid were the most severe/highest in the n/i/eNOS-/- mice. Long-term treatment with the supplemental NO donor in n/i/eNOS-/- mice significantly prevented the progression of the histopathological findings and the increase of the collagen content in the lungs. CONCLUSIONS These results provide the first direct evidence that a lack of all three NOS isoforms led to a deterioration of pulmonary fibrosis in a BLM-treated murine model. We speculate that the entire endogenous NO and NOS system plays an important protective role in the pathogenesis of pulmonary fibrosis.
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Yamada S, Wang KY, Tanimoto A, Guo X, Nabeshima A, Watanabe T, Sasaguri Y. Histamine receptors expressed in circulating progenitor cells have reciprocal actions in ligation-induced arteriosclerosis. Pathol Int 2014; 63:435-47. [PMID: 24200155 DOI: 10.1111/pin.12091] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Accepted: 08/09/2013] [Indexed: 12/01/2022]
Abstract
Histamine is synthesized as a low-molecular-weight amine from L-histidine by histidine decarboxylase (HDC). Recently, we demonstrated that carotid artery-ligated HDC gene-deficient mice (HDC(-/-)) showed less neointimal formation than wild-type (WT) mice, indicating that histamine participates in the process of arteriosclerosis. However, little is known about the roles of histamine-specific receptors (HHRs) in arteriosclerosis. To define the roles of HHRs in arteriosclerosis, we investigated intimal remodeling in ligated carotid arteries of HHR-deficient mice (H1R(-/-) or H2R(-/-)). Quantitative analysis showed that H1R(-/-) mice had significantly less arteriosclerogenesis, whereas H2R(-/-) mice had more, as compared with WT mice. Bone marrow transplantation from H1R(-/-) or H2R(-/-) to WT mice confirmed the above observation. Furthermore, the increased expression of monocyte chemoattractant protein (MCP-1), platelet-derived growth factor (PDGF), adhesion molecules and liver X receptor (LXR)-related inflammatory signaling factors, including Toll-like receptor (TLR3), interleukin-1 receptor (IL-1R) and tumor necrosis factor receptor (TNF-R), was consistent with the arteriosclerotic phenotype of H2R(-/-) mice. Peripheral progenitor cells in H2R(-/-) mice accelerate ligation-induced arteriosclerosis through their regulation of MCP-1, PDGF, adhesion molecules and LXR-related inflammatory signaling factors. In contrast, peripheral progenitor cells act to suppress arteriosclerosis in H1R(-/-) mice, indicating that HHRs reciprocally regulate inflammation in the ligation-induced arteriosclerosis.
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Affiliation(s)
- Sohsuke Yamada
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu
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The use of external mesh reinforcement to reduce intimal hyperplasia and preserve the structure of human saphenous veins. Biomaterials 2014; 35:2588-99. [DOI: 10.1016/j.biomaterials.2013.12.041] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Accepted: 12/18/2013] [Indexed: 01/14/2023]
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Serrano RL, Yu W, Terkeltaub R. Mono-allelic and bi-allelic ENPP1 deficiency promote post-injury neointimal hyperplasia associated with increased C/EBP homologous protein expression. Atherosclerosis 2014; 233:493-502. [PMID: 24530784 DOI: 10.1016/j.atherosclerosis.2014.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Revised: 12/22/2013] [Accepted: 01/03/2014] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Bi-allelic function-inactivating ENPP1 mutations cause artery media calcification (AMC) with associated severe myointimal hyperplasia in generalized arterial calcification of infancy (GACI), whereas mono-allelic ENPP1 deficiency is phenotypically normal. Here, we tested if ENPP1 deficiency promotes abnormal vascular smooth muscle cell (VSMC)-driven responses to injury, with or without calcification. The ER stress mediator C/EBP homologous protein (CHOP) affects neointimal hyperplasia and atherosclerosis, and has paradoxical effects on bone formation. Hence, we assessed relationships between ENPP1 and CHOP in VSMCs. METHODS We studied ENPP1-deficient mice and control littermates subjected to left carotid artery ligation, and isolated and studied VSMCs from these and Chop-/- mice, or with CHOP siRNA treatment. RESULTS Normal Enpp1-/+ mice, in addition to Enpp1-/- mice prior to AMC development, had accelerated neointimal hyperplasia in response to carotid artery ligation at 7-8 weeks age. Neointimal hyperplasia was linked with robust artery media CHOP expression in situ, but with marked AMC only in injured Enpp1-/- arteries. Cultured, ENPP1-deficient and CHOP-deficient VSMCs had increased migration and proliferation to PDGF. Cultured Chop-/- VSMCs demonstrated increased Pi donor-induced calcification. CHOP was significantly increased in Pi donor treated Enpp1-/- and Enpp1-/+ cultured VSMCs. CHOP siRNA treatment of Enpp1-/- VSMCs increased calcification, associated with elevated expression of tissue nonspecific alkaline phosphatase and the master osteoblastic transcription factor RUNX2. CONCLUSIONS Both mono-allelic and bi-allelic ENPP1 deficiency promote dysregulated VSMC function, with robust lesion CHOP expression and enhanced neointimal hyperplasia after injury in vivo, but marked post-injury calcification limited to Enpp1-/- mice. Intimal hyperplasia in GACI appears regulated by biologic effects of ENPP1 deficiency other than calcification, including ER stress. VSMC CHOP excess in ENPP1 deficiency may primarily function to limit VSMC calcification.
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Affiliation(s)
- Ramon L Serrano
- San Diego VA Healthcare System and Department of Medicine, University of California, 111K, 3350 La Jolla Village Dr., San Diego, CA 92161, USA
| | - Weifang Yu
- San Diego VA Healthcare System and Department of Medicine, University of California, 111K, 3350 La Jolla Village Dr., San Diego, CA 92161, USA
| | - Robert Terkeltaub
- San Diego VA Healthcare System and Department of Medicine, University of California, 111K, 3350 La Jolla Village Dr., San Diego, CA 92161, USA.
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Madigan M, Entabi F, Zuckerbraun B, Loughran P, Tzeng E. Delayed inhaled carbon monoxide mediates the regression of established neointimal lesions. J Vasc Surg 2014; 61:1026-33. [PMID: 24418641 DOI: 10.1016/j.jvs.2013.11.072] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Revised: 11/12/2013] [Accepted: 11/17/2013] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Intimal hyperplasia (IH) contributes to the failure of vascular interventions. While many investigational therapies inhibit the development of IH in animal models, few of these potential therapies can reverse established lesions. Inhaled carbon monoxide (CO) dramatically inhibits IH in both rats and pigs when given perioperatively. It also prevented the development of pulmonary arterial hypertension in rodents. Interestingly, CO could reverse pulmonary artery structural changes and right heart hemodynamic changes when administered after the establishment of pulmonary hypertension. Thus, we hypothesize that inhaled CO may mediate the regression of established neointimal lesions. METHODS Rats underwent carotid artery balloon angioplasty injury. Carotid arteries were collected at 2 and 4 weeks after injury for morphometric analysis of the neointima. Another group was treated with inhaled CO (250 parts per million) for 1 hour daily from week 2 until week 4. Additional rats were sacrificed 3 days after initiating CO treatment, and the carotid arteries were examined for apoptosis by terminal deoxynucleotidyl transferase dUTP nick end-labeling, proliferation by Ki67 staining, and autophagy by microtubule-associated protein light chain 3 I/II staining. RESULTS At 2 weeks following injury, sizable neointimal lesions had developed (intimal/media = 0.92 ± 0.22). By 4 weeks, lesion size remained stable (0.80 ± 0.09). Delayed inhaled CO treatment greatly reduced neointimal lesion size vs the 2- and 4-week control mice (0.38 ± 0.05; P < .05). Arteries from the CO-treated rats exhibited significantly reduced apoptosis compared with control vessels (3.18% ± 1.94% vs 16.26% ± 5.91%; P = .036). Proliferation was also dramatically reduced in the CO-treated animals (2.98 ± 1.55 vs 10.37 ± 2.80; P = .036). No difference in autophagy between control and CO-treated rats was detected. CONCLUSIONS Delayed administration of inhaled CO reduced established neointimal lesion size. This effect was mediated by the antiproliferative effect of CO on medial and intimal smooth muscle cells without increases in arterial wall apoptosis or autophagy. Future studies will examine additional time points to determine if there is temporal variation in the rates of apoptosis and autophagy.
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Affiliation(s)
- Michael Madigan
- Department of Veterans Affairs Medical Center, University of Pittsburgh, Pittsburgh, Pa; Division of Vascular Surgery, University of Pittsburgh, Pittsburgh, Pa
| | - Fateh Entabi
- Department of Veterans Affairs Medical Center, University of Pittsburgh, Pittsburgh, Pa; Division of Vascular Surgery, University of Pittsburgh, Pittsburgh, Pa
| | - Brian Zuckerbraun
- Department of Veterans Affairs Medical Center, University of Pittsburgh, Pittsburgh, Pa; Department of Surgery, University of Pittsburgh, Pittsburgh, Pa
| | - Patricia Loughran
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pa; Center of Biologic Imaging, University of Pittsburgh, Pittsburgh, Pa
| | - Edith Tzeng
- Department of Veterans Affairs Medical Center, University of Pittsburgh, Pittsburgh, Pa; Division of Vascular Surgery, University of Pittsburgh, Pittsburgh, Pa.
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Noguchi H, Yamada S, Nabeshima A, Guo X, Tanimoto A, Wang KY, Kitada S, Tasaki T, Takama T, Shimajiri S, Horlad H, Komohara Y, Izumi H, Kohno K, Ichijo H, Sasaguri Y. Depletion of apoptosis signal-regulating kinase 1 prevents bile duct ligation-induced necroinflammation and subsequent peribiliary fibrosis. THE AMERICAN JOURNAL OF PATHOLOGY 2014; 184:644-61. [PMID: 24412091 DOI: 10.1016/j.ajpath.2013.11.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 11/01/2013] [Accepted: 11/26/2013] [Indexed: 12/17/2022]
Abstract
Apoptosis signal-regulating kinase 1 (ASK1), also known as mitogen-activated protein kinase kinase kinase (MAP3K), is ubiquitously expressed and situated in an important upstream position of many signal transduction pathways. ASK1 plays a pivotal role in stressor-induced cell survival and inflammatory reactions. To ascertain the regulatory functions of ASK1 in bile duct ligation (BDL)-induced liver injury, we examined the net effects of ASK1 depletion on hepatic necroinflammation and/or fibrosis. We subjected C57BL/6 wild-type (WT) or ASK1-deficient (ASK1(-/-)) mice to sham or BDL surgery for 14 days. In day 3 BDL animals, ASK1(-/-) mice had significantly fewer bile infarcts along with more reduced interlobular or portal inflammatory infiltrate of various immune cells, including neutrophils, compared with WT mice in which ASK1 expression was markedly activated. Morphologically apoptotic hepatocytes or cholangiocytes were negligible in both the sham and BDL animals. In contrast, ASK1(-/-) mice had significantly less proliferating activity of not only hepatocytes but also large cholangiocytes than WT mice. Day 14 BDL ASK1(-/-) mice manifested potential antifibrogenic aspects of ASK1 deficiency, characterized by significantly fewer activated peribiliary fibrogenic cells and peribiliary fibrosis. These observations indicate that ASK1-mediated hepatic necroinflammation and proliferation, but not apoptosis, are closely linked to liver fibrosis and fibrogenesis. A specific ASK1 pathway blocker or inhibitor might offer a therapeutic strategy against human cholestatic diseases.
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Affiliation(s)
- Hirotsugu Noguchi
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Sohsuke Yamada
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.
| | - Atsunori Nabeshima
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Xin Guo
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Akihide Tanimoto
- Department of Molecular and Cellular Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kitakyushu, Japan
| | - Ke-Yong Wang
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan; Bio-information Research Center, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Shohei Kitada
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan; Department of Urology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Takashi Tasaki
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Tatsuo Takama
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan; Department of Emergency Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Shohei Shimajiri
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hasita Horlad
- Department of Cell Pathology, Faculty of Medical and Pharmaceutical Sciences, Graduate School of Medical Sciences, Kumamoto University, Kitakyushu, Japan
| | - Yoshihiro Komohara
- Department of Cell Pathology, Faculty of Medical and Pharmaceutical Sciences, Graduate School of Medical Sciences, Kumamoto University, Kitakyushu, Japan
| | - Hiroto Izumi
- Department of Occupational Pneumology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kimitoshi Kohno
- Department of Molecular Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hidenori Ichijo
- Laboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, and Core Research for Evolutional Science and Technology, Tokyo, Japan
| | - Yasuyuki Sasaguri
- Departments of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
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