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Pamulapati V, Cuda CM, Smith TL, Jung J, Xiong L, Swaminathan S, Ho KJ. Inflammatory Cell Dynamics after Murine Femoral Artery Wire Injury: A Multi-Parameter Flow Cytometry-Based Analysis. Cells 2023; 12:689. [PMID: 36899827 PMCID: PMC10000449 DOI: 10.3390/cells12050689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/15/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023] Open
Abstract
An acute inflammatory response following arterial surgery for atherosclerosis, such as balloon angioplasty, stenting, and surgical bypass, is an important driver of neointimal hyperplasia after arterial injury, which leads to recurrent ischemia. However, a comprehensive understanding of the dynamics of the inflammatory infiltrate in the remodeling artery is difficult to attain due to the shortcomings of conventional methods such as immunofluorescence. We developed a 15-parameter flow cytometry method to quantitate leukocytes and 13 leukocyte subtypes in murine arteries at 4 time points after femoral artery wire injury. Live leukocyte numbers peaked at 7 days, which preceded the peak neointimal hyperplasia lesion at 28 days. Neutrophils were the most abundant early infiltrate, followed by monocytes and macrophages. Eosinophils were elevated after 1 day, while natural killer and dendritic cells gradually infiltrated over the first 7 days; all decreased between 7 and 14 days. Lymphocytes began accumulating at 3 days and peaked at 7 days. Immunofluorescence of arterial sections demonstrated similar temporal trends of CD45+ and F4/80+ cells. This method allows for the simultaneous quantitation of multiple leukocyte subtypes from small tissue samples of injured murine arteries and identifies the CD64+Tim4+ macrophage phenotype as being potentially important in the first 7 days post-injury.
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Affiliation(s)
- Vivek Pamulapati
- Division of Vascular Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Carla M. Cuda
- Division of Rheumatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Tracy L. Smith
- Division of Vascular Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Jonathan Jung
- Division of Vascular Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Liqun Xiong
- Division of Vascular Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Suchitra Swaminathan
- Division of Rheumatology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Karen J. Ho
- Division of Vascular Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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Kim AS, Werlin EC, Kagaya H, Chen M, Wu B, Mottola G, Jan M, Conte MS. 17R/S-Benzo-RvD1, a synthetic resolvin D1 analogue, attenuates neointimal hyperplasia in a rat model of acute vascular injury. PLoS One 2022; 17:e0264217. [PMID: 35226675 PMCID: PMC8884511 DOI: 10.1371/journal.pone.0264217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 02/05/2022] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Persistent inflammation following vascular injury drives neointimal hyperplasia (NIH). Specialized lipid mediators (SPM) mediate resolution which attenuates inflammation and downstream NIH. We investigated the effects of a synthetic analogue of resolvin D1 (RvD1) on vascular cells and in a model of rat carotid angioplasty. METHODS Human venous VSMC and endothelial cells (EC) were employed in migration, cell shape, toxicity, proliferation and p65 nuclear translocation assays. Murine RAW 264.7 cells were utilized to test the effect of pro-resolving compounds on phagocytic activity. A model of rat carotid angioplasty was used to evaluate the effects of 17R/S-benzo-RvD1 (benzo-RvD1) and 17R-RvD1 applied to the adventitia via 25% Pluronic gel. Immunostaining was utilized to examine Ki67 expression and leukocyte recruitment. Morphometric analysis was performed on arteries harvested 14 days after injury. RESULTS Exposure to benzo-RvD1 attenuated PDGF- stimulated VSMC migration across a range of concentrations (0.1-100 nM), similar to that observed with 17R-RvD1. Pre-treatment with either Benzo-RvD1 or 17R-RvD1 (10, 100nM) attenuated PDGF-BB-induced VSMC cytoskeletal changes to nearly baseline dimensions. Benzo-RvD1 demonstrated modest anti-proliferative activity on VSMC and EC at various concentrations, without significant cytotoxicity. Benzo-RvD1 (10nM) inhibited p65 nuclear translocation in cytokine-stimulated EC by 21% (p<0.05), similar to 17R-RvD1. Consistent with pro-resolving activities of other SPM, both 17R-RvD1 and benzo-RvD1 increased the phagocytic activity of RAW 264.7 cells against S. Aureus and Zymosan particles. There were no significant differences in Ki-67 or CD45 staining observed on day 3 after angioplasty. Periadventitial treatment with benzo-RvD1 reduced carotid neointimal area at 14 days compared to control (0.08 mm2 v. 0.18 mm2; p<0.05), with similar efficacy to 17R-RvD1. CONCLUSIONS 17R/S-benzo-RvD1 and 17R-RvD1 exhibit similar pro-resolving and anti-migratory activity in cell-based assays, and both compounds attenuated NIH following acute arterial injury in rats. Further studies of the mechanisms of resolution following vascular injury, and the translational potential of SPM analogues, are indicated.
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Affiliation(s)
- Alexander S. Kim
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
| | - Evan C. Werlin
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
| | - Hideo Kagaya
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
| | - Mian Chen
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
| | - Bian Wu
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
| | - Giorgio Mottola
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
| | - Masood Jan
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
| | - Michael S. Conte
- Department of Surgery and Cardiovascular Research Institute, UCSF, San Francisco, California, United States of America
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Newton ER, Gillis DC, Sun K, Dandurand BR, Siletzky R, Biswas S, Karver MR, Tsihlis ND, Stupp SI, Kibbe MR. Evaluation of a Targeted Drug‐Eluting Intravascular Nanotherapy to Prevent Neointimal Hyperplasia in an Atherosclerotic Rat Model. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202000093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Emily R. Newton
- Department of Surgery Center for Nanotechnology in Drug Delivery University of North Carolina at Chapel Hill Burnett Womack Suite 4041, 101 Manning Drive Chapel Hill NC 27599-7050 USA
| | - David C. Gillis
- Department of Surgery Center for Nanotechnology in Drug Delivery University of North Carolina at Chapel Hill Burnett Womack Suite 4041, 101 Manning Drive Chapel Hill NC 27599-7050 USA
| | - Kui Sun
- Department of Surgery Center for Nanotechnology in Drug Delivery University of North Carolina at Chapel Hill Burnett Womack Suite 4041, 101 Manning Drive Chapel Hill NC 27599-7050 USA
| | - Brooke R. Dandurand
- Department of Surgery Center for Nanotechnology in Drug Delivery University of North Carolina at Chapel Hill Burnett Womack Suite 4041, 101 Manning Drive Chapel Hill NC 27599-7050 USA
| | - Robin Siletzky
- Department of Surgery Center for Nanotechnology in Drug Delivery University of North Carolina at Chapel Hill Burnett Womack Suite 4041, 101 Manning Drive Chapel Hill NC 27599-7050 USA
| | - Suvendu Biswas
- Simpson Querrey Institute Northwestern University Chicago IL 60611 USA
| | - Mark R. Karver
- Simpson Querrey Institute Northwestern University Chicago IL 60611 USA
| | - Nick D. Tsihlis
- Department of Surgery Center for Nanotechnology in Drug Delivery University of North Carolina at Chapel Hill Burnett Womack Suite 4041, 101 Manning Drive Chapel Hill NC 27599-7050 USA
| | - Samuel I. Stupp
- Simpson Querrey Institute Northwestern University Chicago IL 60611 USA
- Department of Medicine Northwestern University Chicago IL 60611 USA
- Departments of Chemistry Materials Science and Engineering Biomedical Engineering Northwestern University Evanston IL 60208 USA
| | - Melina R. Kibbe
- Department of Surgery Center for Nanotechnology in Drug Delivery University of North Carolina at Chapel Hill Burnett Womack Suite 4041, 101 Manning Drive Chapel Hill NC 27599-7050 USA
- Department of Biomedical Engineering University of North Carolina at Chapel Hill Chapel Hill NC 27599 USA
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Kassam HA, Bahnson EM, Cartaya A, Jiang W, Avram MJ, Tsihlis ND, Stupp SI, Kibbe MR. Pharmacokinetics and biodistribution of a collagen-targeted peptide amphiphile for cardiovascular applications. Pharmacol Res Perspect 2020; 8:e00672. [PMID: 33090704 PMCID: PMC7580710 DOI: 10.1002/prp2.672] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 01/20/2023] Open
Abstract
Atherosclerosis remains a leading cause of death and disability around the world and a major driver of health care spending. Nanomaterials have gained widespread attention due to their promising potential for clinical translation and use. We have developed a collagen-targeted peptide amphiphile (PA)-based nanofiber for the prevention of neointimal hyperplasia after arterial injury. Our goal was to characterize the pharmacokinetics and biodistribution of the collagen-targeted PA to further its advancement into clinical trials. Collagen-targeted PA was injected into the internal jugular vein of Sprague Dawley rats. PA concentrations in plasma collected at various times after injection (0 to 72 hours) were measured by liquid chromatography-tandem mass spectrometry. Pharmacokinetics of the collagen-targeted PA were characterized by a three-compartment model, with an extremely rapid apparent elimination clearance resulting in a plasma concentration decrease of more than two orders of magnitude within the first hour after injection. This rapid initial decline in plasma concentration was not due to degradation by plasma components, as collagen-targeted PA was stable in plasma ex vivo for up to 3 hours. Indeed, cellular blood components appear to be partly responsible, as only 15% of collagen-targeted PA were recovered following incubation with whole blood. Nanofibers in whole blood also adhered to red blood cells (RBCs) and were engulfed by mononuclear cells. This work highlights the unique pharmacokinetics of our collagen-targeted PA, which differ from pharmacokinetics of small molecules. Because of their targeted nature, these nanomaterials should not require sustained elevated plasma concentrations to achieve a therapeutic effect the way small molecules typically do.
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Affiliation(s)
- Hussein A. Kassam
- Department of SurgeryCenter for Nanotechnology in Drug DeliveryUniversity of North CarolinaChapel HillNCUSA
| | - Edward M. Bahnson
- Department of SurgeryCenter for Nanotechnology in Drug DeliveryUniversity of North CarolinaChapel HillNCUSA
- Department of Cell Biology and PhysiologyUniversity of North CarolinaChapel HillNCUSA
- Department of Pharmacology and McAllister Heart InstituteUniversity of North CarolinaChapel HillNCUSA
| | - Ana Cartaya
- Department of SurgeryCenter for Nanotechnology in Drug DeliveryUniversity of North CarolinaChapel HillNCUSA
- Department of Pharmacology and McAllister Heart InstituteUniversity of North CarolinaChapel HillNCUSA
| | - Wulin Jiang
- Department of SurgeryCenter for Nanotechnology in Drug DeliveryUniversity of North CarolinaChapel HillNCUSA
| | - Michael J. Avram
- Department of AnesthesiologyNorthwestern UniversityEvanstonILUSA
| | - Nick D. Tsihlis
- Department of SurgeryCenter for Nanotechnology in Drug DeliveryUniversity of North CarolinaChapel HillNCUSA
| | - Samuel I. Stupp
- Simpson Querrey InstituteNorthwestern UniversityEvanstonILUSA
- Department of ChemistryDepartment of Materials Science and EngineeringDepartment of Medicine, and Department of Biomedical EngineeringNorthwestern UniversityEvanstonILUSA
| | - Melina R. Kibbe
- Department of SurgeryCenter for Nanotechnology in Drug DeliveryUniversity of North CarolinaChapel HillNCUSA
- Department of Biomedical EngineeringUniversity of North CarolinaChapel HillNCUSA
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Kassam HA, Gillis DC, Dandurand BR, Karver MR, Tsihlis ND, Stupp SI, Kibbe MR. Development of Fractalkine-Targeted Nanofibers that Localize to Sites of Arterial Injury. NANOMATERIALS 2020; 10:nano10030420. [PMID: 32121105 PMCID: PMC7152859 DOI: 10.3390/nano10030420] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 12/22/2022]
Abstract
Atherosclerosis is the leading cause of death and disability around the world, with current treatments limited by neointimal hyperplasia. Our goal was to synthesize, characterize, and evaluate an injectable, targeted nanomaterial that will specifically bind to the site of arterial injury. Our target protein is fractalkine, a chemokine involved in both neointimal hyperplasia and atherosclerosis. We showed increased fractalkine staining in rat carotid arteries 24 h following arterial injury and in the aorta of low-density lipoprotein receptor knockout (LDLR-/-) mice fed a high-fat diet for 16 weeks. Three peptide amphiphiles (PAs) were synthesized: fractalkine-targeted, scrambled, and a backbone PA. PAs were ≥90% pure on liquid chromatography/mass spectrometry (LCMS) and showed nanofiber formation on transmission electron microscopy (TEM). Rats systemically injected with fractalkine-targeted nanofibers 24 h after carotid artery balloon injury exhibited a 4.2-fold increase in fluorescence in the injured artery compared to the scrambled nanofiber (p < 0.001). No localization was observed in the non-injured artery or with the backbone nanofiber. Fluorescence of the fractalkine-targeted nanofiber increased in a dose dependent manner and was observed for up to 48 h. These data demonstrate the presence of fractalkine after arterial injury and the localization of our fractalkine-targeted nanofiber to the site of injury and serve as the foundation to develop this technology further.
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Affiliation(s)
- Hussein A. Kassam
- Department of Surgery, Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC 27599, USA; (H.A.K.); (D.C.G.); (B.R.D.); (N.D.T.)
| | - David C. Gillis
- Department of Surgery, Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC 27599, USA; (H.A.K.); (D.C.G.); (B.R.D.); (N.D.T.)
| | - Brooke R. Dandurand
- Department of Surgery, Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC 27599, USA; (H.A.K.); (D.C.G.); (B.R.D.); (N.D.T.)
| | - Mark R. Karver
- Simpson Querrey Institute, Northwestern University, Chicago, IL 60611, USA; (M.R.K.); (S.I.S.)
| | - Nick D. Tsihlis
- Department of Surgery, Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC 27599, USA; (H.A.K.); (D.C.G.); (B.R.D.); (N.D.T.)
| | - Samuel I. Stupp
- Simpson Querrey Institute, Northwestern University, Chicago, IL 60611, USA; (M.R.K.); (S.I.S.)
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Melina R. Kibbe
- Department of Surgery, Center for Nanotechnology in Drug Delivery, University of North Carolina, Chapel Hill, NC 27599, USA; (H.A.K.); (D.C.G.); (B.R.D.); (N.D.T.)
- Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC 27599, USA
- Correspondence: ; Tel.: +001-919-445-0369
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6
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Koch CD, Gladwin MT, Freeman BA, Lundberg JO, Weitzberg E, Morris A. Enterosalivary nitrate metabolism and the microbiome: Intersection of microbial metabolism, nitric oxide and diet in cardiac and pulmonary vascular health. Free Radic Biol Med 2017; 105:48-67. [PMID: 27989792 PMCID: PMC5401802 DOI: 10.1016/j.freeradbiomed.2016.12.015] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 11/18/2016] [Accepted: 12/12/2016] [Indexed: 02/07/2023]
Abstract
Recent insights into the bioactivation and signaling actions of inorganic, dietary nitrate and nitrite now suggest a critical role for the microbiome in the development of cardiac and pulmonary vascular diseases. Once thought to be the inert, end-products of endothelial-derived nitric oxide (NO) heme-oxidation, nitrate and nitrite are now considered major sources of exogenous NO that exhibit enhanced vasoactive signaling activity under conditions of hypoxia and stress. The bioavailability of nitrate and nitrite depend on the enzymatic reduction of nitrate to nitrite by a unique set of bacterial nitrate reductase enzymes possessed by specific bacterial populations in the mammalian mouth and gut. The pathogenesis of pulmonary hypertension (PH), obesity, hypertension and CVD are linked to defects in NO signaling, suggesting a role for commensal oral bacteria to shape the development of PH through the formation of nitrite, NO and other bioactive nitrogen oxides. Oral supplementation with inorganic nitrate or nitrate-containing foods exert pleiotropic, beneficial vascular effects in the setting of inflammation, endothelial dysfunction, ischemia-reperfusion injury and in pre-clinical models of PH, while traditional high-nitrate dietary patterns are associated with beneficial outcomes in hypertension, obesity and CVD. These observations highlight the potential of the microbiome in the development of novel nitrate- and nitrite-based therapeutics for PH, CVD and their risk factors.
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Affiliation(s)
- Carl D Koch
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA.
| | - Mark T Gladwin
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA; Pittsburgh Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh PA 15261, USA
| | - Bruce A Freeman
- Pittsburgh Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh PA 15261, USA; Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Jon O Lundberg
- Department of Physiology and Pharmacology, Karolinska Institutet, S-17177 Stockholm, Sweden
| | - Eddie Weitzberg
- Department of Physiology and Pharmacology, Karolinska Institutet, S-17177 Stockholm, Sweden
| | - Alison Morris
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15261, USA; Pittsburgh Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh PA 15261, USA; Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA; Department of Physiology and Pharmacology, Karolinska Institutet, S-17177 Stockholm, Sweden
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Meyers MW, Rink JS, Jiang Q, Kelly ME, Vercammen JM, Thaxton CS, Kibbe MR. Systemically administered collagen-targeted gold nanoparticles bind to arterial injury following vascular interventions. Physiol Rep 2017; 5:e13128. [PMID: 28242820 PMCID: PMC5328771 DOI: 10.14814/phy2.13128] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 12/14/2016] [Accepted: 12/17/2016] [Indexed: 11/24/2022] Open
Abstract
Surgical and endovascular therapies for severe atherosclerosis often fail due to the development of neointimal hyperplasia and arterial restenosis. Our objective was to synthesize, characterize, and evaluate the targeting specificity and biocompatibility of a novel systemically injected nanoparticle. We hypothesize that surface-functionalization of gold nanoparticles (AuNPs) with a collagen-targeting peptide will be biocompatible and target specifically to vascular injury. 13 nm AuNPs were surface functionalized with a peptide-molecular fluorophore and targeted to collagen (T-AuNP) or a scrambled peptide sequence (S-AuNP). After rat carotid artery balloon injury and systemic injection of T-AuNP or S-AuNP, arteries and organs were harvested and assessed for binding specificity and biocompatibility. The T-AuNP bound with specificity to vascular injury for a minimum of 24 h. No significant inflammation was evident locally at arterial injury or systemically in major organs. The T-AuNP did not impact endothelial cell viability or induce apoptosis at the site of injury in vivo. No major changes were evident in hepatic or renal blood chemistry profiles. Herein, we synthesized a biocompatible nanoparticle that targets to vascular injury following systemic administration. These studies demonstrate proof-of-principle and serve as the foundation for further T-AuNP optimization to realize systemic, targeted delivery of therapeutics to the sites of vascular injury.
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Affiliation(s)
- Molly Wasserman Meyers
- Department of Surgery, Northwestern University, Chicago, Illinois
- Simpson Querrey Institute for BioNanotechnology, Chicago, Illinois
| | - Jonathan S Rink
- Simpson Querrey Institute for BioNanotechnology, Chicago, Illinois
- Department of Urology, Northwestern University, Chicago, Illinois
| | - Qun Jiang
- Department of Surgery, Northwestern University, Chicago, Illinois
- Simpson Querrey Institute for BioNanotechnology, Chicago, Illinois
| | - Megan E Kelly
- Department of Surgery, Northwestern University, Chicago, Illinois
- Simpson Querrey Institute for BioNanotechnology, Chicago, Illinois
| | - Janet M Vercammen
- Department of Surgery, Northwestern University, Chicago, Illinois
- Simpson Querrey Institute for BioNanotechnology, Chicago, Illinois
| | - Colby S Thaxton
- Simpson Querrey Institute for BioNanotechnology, Chicago, Illinois
- Department of Urology, Northwestern University, Chicago, Illinois
| | - Melina R Kibbe
- Department of Surgery, Northwestern University, Chicago, Illinois
- Simpson Querrey Institute for BioNanotechnology, Chicago, Illinois
- Department of Surgery, University of North Carolina, Chapel Hill, North Carolina
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Bahnson ESM, Havelka GE, Koo NC, Jiang Q, Kibbe MR. Periadventitial adipose tissue modulates the effect of PROLI/NO on neointimal hyperplasia. J Surg Res 2016; 205:440-445. [PMID: 27664894 DOI: 10.1016/j.jss.2016.06.074] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 05/20/2016] [Accepted: 06/27/2016] [Indexed: 01/08/2023]
Abstract
BACKGROUND Periadventitial delivery of nitric oxide (NO) inhibits neointimal hyperplasia; however, the effect of periadventitial adipose tissue on the efficacy of NO at inhibiting neointimal hyperplasia has not been studied. The aim of our study was to assess the effect of NO in the presence and absence of periadventitial adipose tissue. We hypothesized that removal of periadventitial adipose tissue will increase neointimal formation and that NO will be more effective at inhibiting neointimal hyperplasia. METHODS The effect of NO on 3T3 fibroblasts, adventitial fibroblast (AF), and vascular smooth muscle cell (VSMC) proliferation was assessed by (3)H-thymidine incorporation in adipocyte-conditioned or regular media. The rat carotid artery balloon injury model was performed on male Sprague-Dawley rats. Before balloon injury, periadventitial adipose tissue was removed (excised model) or remained intact (intact model). Treatment groups included injury or injury with periadventitial application of PROLI/NO. Adiponectin receptor (AR) levels were assessed via immunofluorescence. RESULTS Adipocyte-conditioned media had an antiproliferative effect on 3T3 and AF and a proproliferative effect on VSMC in vitro. Interestingly, NO was less effective at inhibiting 3T3 and AF proliferation and more effective at inhibiting VSMC proliferation in adipocyte-conditioned media. In vivo, the excised group showed increased neointimal hyperplasia 2 wk after surgery compared with the intact group. NO reduced neointimal hyperplasia to a greater extent in the excised group compared with the intact group. Although NO inhibited or had no impact on AR levels in the intact group, NO increased AR levels in media and adventitia of the excised group. CONCLUSIONS These data show that periadventitial adipose tissue plays a role in regulating the arterial injury response and the efficacy of NO treatment in the vasculature.
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Affiliation(s)
- Edward S M Bahnson
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois
| | - George E Havelka
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois
| | - Nathaniel C Koo
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois
| | - Qun Jiang
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois
| | - Melina R Kibbe
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois; Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois.
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9
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Perivascular delivery of resolvin D1 inhibits neointimal hyperplasia in a rat model of arterial injury. J Vasc Surg 2016; 65:207-217.e3. [PMID: 27034112 DOI: 10.1016/j.jvs.2016.01.030] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 01/16/2016] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Lipid mediators derived from omega-3 polyunsaturated fatty acids such as resolvin D1 (RvD1) accelerate the resolution of inflammation and have potential as vascular therapeutics. The objective of this study was to evaluate local perivascular delivery of RvD1 as a means to attenuate neointimal hyperplasia in a rat model of arterial injury. METHODS Smooth muscle cells were harvested from rat aortas to study the effects of RvD1 on rat arterial vascular smooth muscle cell responses in vitro, with focus on inflammation, proliferation, migration, cytoskeletal changes, and cytotoxicity. The safety and efficacy of perivascular delivery of RvD1 through thin biodegradable three-layered poly(lactic-co-glycolic acid) wraps or 25% Pluronic F127 gels were studied in a rat model of carotid angioplasty. A total of 200 ng of RvD1 was loaded into each construct for perivascular delivery after injury. Morphometric and histologic analyses were performed 3 and 14 days after injury. RESULTS RvD1 attenuated rat arterial vascular smooth muscle cell inflammatory pathways, proliferation, migration, and mitogen-induced cytoskeletal changes in vitro, without evidence of cytotoxicity. RvD1-loaded wraps reduced neointimal formation after carotid angioplasty by 59% vs no-wrap controls (P = .001) and by 45% vs vehicle-wrap controls (P = .002). RvD1-loaded Pluronic gels similarly reduced neointimal formation by 49% vs no-gel controls (P = .02) and by 52% vs vehicle-gel controls (P = .02). No group was associated with infection, thrombosis, or negative vessel remodeling. Wraps were found to be easier to apply than gel constructs. Ki67 proliferation index was significantly lower in RvD1-loaded wrap-treated arteries compared with both no-wrap and vehicle-wrap controls at both 3 and 14 days after injury (65% vs no-wrap group and 70% vs vehicle-wrap group at day 3, 49% vs both control groups at day 14; P < .05). Similarly, oxidative stress (30% and 29%; P < .05) and nuclear factor κB activation (42% and 45%; P < .05) were significantly lower in the RvD1-loaded wrap group compared with both no-wrap and vehicle-wrap controls at 3 days after injury. CONCLUSIONS Local perivascular delivery of RvD1 attenuates formation of neointimal hyperplasia without associated toxicity in a rat model of carotid angioplasty. This effect is likely due to attenuation of inflammatory pathways as well as decreased arterial smooth muscle cell proliferation and migration.
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Bahnson ESM, Kassam HA, Moyer TJ, Jiang W, Morgan CE, Vercammen JM, Jiang Q, Flynn ME, Stupp SI, Kibbe MR. Targeted Nitric Oxide Delivery by Supramolecular Nanofibers for the Prevention of Restenosis After Arterial Injury. Antioxid Redox Signal 2016; 24:401-18. [PMID: 26593400 PMCID: PMC4782035 DOI: 10.1089/ars.2015.6363] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
AIMS Cardiovascular interventions continue to fail as a result of arterial restenosis secondary to neointimal hyperplasia. We sought to develop and evaluate a systemically delivered nanostructure targeted to the site of arterial injury to prevent neointimal hyperplasia. Nanostructures were based on self-assembling biodegradable molecules known as peptide amphiphiles. The targeting motif was a collagen-binding peptide, and the therapeutic moiety was added by S-nitrosylation of cysteine residues. RESULTS Structure of the nanofibers was characterized by transmission electron microscopy and small-angle X-ray scattering. S-nitrosylation was confirmed by mass spectrometry, and nitric oxide (NO) release was assessed electrochemically and by chemiluminescent detection. The balloon carotid artery injury model was performed on 10-week-old male Sprague-Dawley rats. Immediately after injury, nanofibers were administered systemically via tail vein injection. S-nitrosylated (S-nitrosyl [SNO])-targeted nanofibers significantly reduced neointimal hyperplasia 2 weeks and 7 months following balloon angioplasty, with no change in inflammation. INNOVATION This is the first time that an S-nitrosothiol (RSNO)-based therapeutic was shown to have targeted local effects after systemic administration. This approach, combining supramolecular nanostructures with a therapeutic NO-based payload and a targeting moiety, overcomes the limitations of delivering NO to a site of interest, avoiding undesirable systemic side effects. CONCLUSION We successfully synthesized and characterized an RSNO-based therapy that when administered systemically, targets directly to the site of vascular injury. By integrating therapeutic and targeting chemistries, these targeted SNO nanofibers provided durable inhibition of neointimal hyperplasia in vivo and show great potential as a platform to treat cardiovascular diseases.
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Affiliation(s)
- Edward S M Bahnson
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
| | - Hussein A Kassam
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
| | - Tyson J Moyer
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,3 Department of Materials Science and Engineering, Northwestern University , Evanston, Illinois
| | - Wulin Jiang
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
| | - Courtney E Morgan
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
| | - Janet M Vercammen
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
| | - Qun Jiang
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
| | - Megan E Flynn
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
| | - Samuel I Stupp
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,3 Department of Materials Science and Engineering, Northwestern University , Evanston, Illinois.,4 Department of Chemistry, Northwestern University , Evanston, Illinois.,5 Department of Medicine, Feinberg School of Medicine, Northwestern University , Chicago, Illinois.,6 Department of Biomedical Engineering, Northwestern University , Evanston, Illinois
| | - Melina R Kibbe
- 1 Simpson Querrey Institute for BioNanotechnology, Northwestern University , Chicago, Illinois.,2 Department of Surgery, Feinberg School of Medicine, Northwestern University , Chicago, Illinois
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11
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Bahnson ESM, Vavra AK, Flynn ME, Vercammen JM, Jiang Q, Schwartz AR, Kibbe MR. Long-term effect of PROLI/NO on cellular proliferation and phenotype after arterial injury. Free Radic Biol Med 2016; 90:272-86. [PMID: 26627935 PMCID: PMC4698201 DOI: 10.1016/j.freeradbiomed.2015.11.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 11/20/2015] [Accepted: 11/23/2015] [Indexed: 10/22/2022]
Abstract
Vascular interventions are associated with high failure rates from restenosis secondary to negative remodeling and neointimal hyperplasia. Periadventitial delivery of nitric oxide (NO) inhibits neointimal hyperplasia, preserving lumen patency. With the development of new localized delivery vehicles, NO-based therapies remain a promising therapeutic avenue for the prevention of restenosis. While the time course of events during neointimal development has been well established, a full characterization of the impact of NO donors on the cells that comprise the arterial wall has not been performed. Thus, the aim of our study was to perform a detailed assessment of proliferation, cellularity, inflammation, and phenotypic cellular modulation in injured arteries treated with the short-lived NO donor, PROLI/NO. PROLI/NO provided durable inhibition of neointimal hyperplasia for 6 months after arterial injury. PROLI/NO inhibited proliferation and cellularity in the media and intima at all of the time points studied. However, PROLI/NO caused an increase in adventitial proliferation at 2 weeks, resulting in increased cellularity at 2 and 8 weeks compared to injury alone. PROLI/NO promoted local protein S-nitrosation and increased local tyrosine nitration, without measurable systemic effects. PROLI/NO predominantly inhibited contractile smooth muscle cells in the intima and media, and had little to no effect on vascular smooth muscle cells or myofibroblasts in the adventitia. Finally, PROLI/NO caused a delayed and decreased leukocyte infiltration response after injury. Our results show that a short-lived NO donor exerts durable effects on proliferation, phenotype modulation, and inflammation that result in long-term inhibition of neointimal hyperplasia.
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Affiliation(s)
- Edward S M Bahnson
- Division of Vascular Surgery, Northwestern University, Chicago, IL, United States; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, United States
| | - Ashley K Vavra
- Division of Vascular Surgery, Northwestern University, Chicago, IL, United States; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, United States
| | - Megan E Flynn
- Division of Vascular Surgery, Northwestern University, Chicago, IL, United States; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, United States
| | - Janet M Vercammen
- Division of Vascular Surgery, Northwestern University, Chicago, IL, United States; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, United States
| | - Qun Jiang
- Division of Vascular Surgery, Northwestern University, Chicago, IL, United States; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, United States
| | - Amanda R Schwartz
- Division of Vascular Surgery, Northwestern University, Chicago, IL, United States; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, United States
| | - Melina R Kibbe
- Division of Vascular Surgery, Northwestern University, Chicago, IL, United States; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, United States; Jesse Brown Veterans Affairs Medical Center, Chicago, IL, United States.
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12
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Roy T, Forbes T, Wright G, Dueck A. Burning Bridges: Mechanisms and Implications of Endovascular Failure in the Treatment of Peripheral Artery Disease. J Endovasc Ther 2015; 22:874-80. [PMID: 26351103 DOI: 10.1177/1526602815604465] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Trisha Roy
- Division of Vascular Surgery, University of Toronto, Toronto, Ontario, Canada Schulich Heart Program and the Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Thomas Forbes
- Division of Vascular Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Graham Wright
- Schulich Heart Program and the Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Andrew Dueck
- Division of Vascular Surgery, University of Toronto, Toronto, Ontario, Canada Schulich Heart Program and the Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
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13
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Microparticle levels after arterial injury and NO therapy in diabetes. J Surg Res 2015; 200:722-31. [PMID: 26490225 DOI: 10.1016/j.jss.2015.08.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 07/16/2015] [Accepted: 08/17/2015] [Indexed: 12/30/2022]
Abstract
BACKGROUND Little is known about how arterial injury, nitric oxide (NO), or the diabetic milieu impact microparticle (MP) levels in the vasculature. We hypothesized that MP levels would increase following local arterial injury, and that NO would modify MP levels differently based on the metabolic environment. MATERIALS AND METHODS Type 1 diabetes was induced in male Lean Zucker (LZ) rats with streptozotocin, and type 2 diabetes was induced in male Zucker diabetic fatty rats through diet. Lean Zucker rats served as nondiabetic controls. The rat carotid balloon injury was performed ± NO (n > 4/group). Blood was obtained at intervals from baseline to 14 d after injury and analyzed for platelet MP (PMP), leukocyte MP (LMP), and endothelial MP (EMP) using fluorescence-activated cell sorting (FACS) analysis. RESULTS At baseline, type 1 diabetic rats had the highest EMP levels (P < 0.05). After arterial injury, type 1 and type 2 diabetic rats had a transient increase in EMP levels (P < 0.05) before decreasing below baseline levels. Both LMP and PMP levels generally declined after injury in all three animal models but were the lowest in both type 1 and type 2 diabetic rats. NO therapy had little impact on MP levels in nondiabetic and type 1 diabetic rats after injury. Conversely, NO caused a dramatic increase in EMP, LMP, and PMP levels in type 2 diabetic animals at early time points after injury (P < 0.05). CONCLUSIONS These data demonstrate that the diabetic milieu impacts MP levels at baseline, after arterial injury and with NO treatment.
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14
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Moyer TJ, Kassam HA, Bahnson ESM, Morgan CE, Tantakitti F, Chew TL, Kibbe MR, Stupp SI. Shape-Dependent Targeting of Injured Blood Vessels by Peptide Amphiphile Supramolecular Nanostructures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 11:2750-5. [PMID: 25649528 PMCID: PMC4478239 DOI: 10.1002/smll.201403429] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 12/23/2014] [Indexed: 05/21/2023]
Abstract
Targeting of vascular intervention by systemically delivered supramolecular nanofibers after balloon angioplasty is described. Tracking of self-assembling peptide amphiphiles using fluorescence shows selective binding to the site of vascular intervention. Cylindrical nanostructures are observed to target the site of arterial injury, while spherical nanostructures with an equivalent diameter display no binding.
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Affiliation(s)
- Tyson J. Moyer
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Materials Science & Engineering, Northwestern University, Evanston, Illinois, 60208
| | - Hussein A. Kassam
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, 60611
| | - Edward S. M. Bahnson
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, 60611
| | - Courtney E. Morgan
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, 60611
| | - Faifan Tantakitti
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Materials Science & Engineering, Northwestern University, Evanston, Illinois, 60208
| | - Teng L. Chew
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, 60611
| | - Melina R. Kibbe
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, 60611
- To whom correspondence should be addressed: and
| | - Samuel I. Stupp
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois, 60611
- Department of Materials Science & Engineering, Northwestern University, Evanston, Illinois, 60208
- Department of Chemistry, Northwestern University, Evanston, Illinois, 60208
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, 60611
- To whom correspondence should be addressed: and
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15
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van Lith R, Yang J, Ameer GA. Diazeniumdiolation of protamine sulfate reverses mitogenic effects on smooth muscle cells and fibroblasts. Free Radic Biol Med 2015; 82:13-21. [PMID: 25656996 DOI: 10.1016/j.freeradbiomed.2015.01.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Revised: 01/16/2015] [Accepted: 01/26/2015] [Indexed: 12/16/2022]
Abstract
After vascular interventions, endothelial cells are typically injured or lacking, resulting in decreased NO synthesis to maintain vascular health. Moreover, inflammation as a result of the tissue injury and/or the presence of an implanted foreign polymer such as a vascular graft causes excessive generation of reactive oxygen species (ROS) (e.g., superoxide), which can react with NO. The combination of the above creates a general decline in NO bioavailability, as well as oxidative stress due to less available NO to scavenge ROS. Localized NO delivery is an attractive solution to alleviate these issues; however, NO donors typically exhibit unpredictable NO payload release when using nitrosothiols or the risk of nitrosamine formation for synthetic diazeniumdiolates. The objective of this study was therefore to synthesize an NO donor from a biological peptide that could revert to its native form upon NO release. To this effect, protamine sulfate (PS), an FDA-approved peptide with reported vasodilator and anticoagulant properties, was diazeniumdiolated to form PS/NO. PS/NO showed diazeniumdiolate-characteristic UV peaks and NO release in physiological solutions and was capable of scavenging radicals to decrease oxidative stress. Furthermore, PS/NO selectively inhibits the proliferation of smooth muscle cells and adventitial fibroblasts, thereby reversing reported mitogenic properties of PS. Endothelial cell growth, on the other hand, was promoted by PS/NO. Finally, PS retained its anticoagulant properties upon diazeniumdiolation at clinically relevant concentrations. In conclusion, we have synthesized an NO prodrug from a biological peptide, PS/NO, that selectively inhibits proliferation of smooth muscle cells and fibroblasts, retains anticoagulant properties, and reverts back to its native PS form upon NO payload release.
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Affiliation(s)
- Robert van Lith
- Biomedical Engineering Department, Northwestern University, Evanston, IL 60208, USA
| | - Jian Yang
- Biomedical Engineering Department, Northwestern University, Evanston, IL 60208, USA
| | - Guillermo A Ameer
- Biomedical Engineering Department, Northwestern University, Evanston, IL 60208, USA; Department of Surgery, Feinberg School of Medicine, Chicago, IL 60611, USA; Chemistry of Life Processes Institute, Northwestern University, Evanston, IL 60208, USA; Simpson Querrey Institute, Northwestern University, Evanston, IL 60208, USA.
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16
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Morales RC, Bahnson ESM, Havelka GE, Cantu-Medellin N, Kelley EE, Kibbe MR. Sex-based differential regulation of oxidative stress in the vasculature by nitric oxide. Redox Biol 2015; 4:226-33. [PMID: 25617803 PMCID: PMC4803798 DOI: 10.1016/j.redox.2015.01.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 01/08/2015] [Accepted: 01/12/2015] [Indexed: 11/28/2022] Open
Abstract
Background Nitric oxide (•NO) is more effective at inhibiting neointimal hyperplasia following arterial injury in male versus female rodents, though the etiology is unclear. Given that superoxide (O2•−) regulates cellular proliferation, and •NO regulates superoxide dismutase-1 (SOD-1) in the vasculature, we hypothesized that •NO differentially regulates SOD-1 based on sex. Materials and methods Male and female vascular smooth muscle cells (VSMC) were harvested from the aortae of Sprague-Dawley rats. O2•− levels were quantified by electron paramagnetic resonance (EPR) and HPLC. sod-1 gene expression was assayed by qPCR. SOD-1, SOD-2, and catalase protein levels were detected by Western blot. SOD-1 activity was measured via colorimetric assay. The rat carotid artery injury model was performed on Sprague-Dawley rats ±•NO treatment and SOD-1 protein levels were examined by Western blot. Results In vitro, male VSMC have higher O2•− levels and lower SOD − 1 activity at baseline compared to female VSMC (P < 0.05). •NO decreased O2•− levels and increased SOD − 1 activity in male (P<0.05) but not female VSMC. •NO also increased sod− 1 gene expression and SOD − 1 protein levels in male (P<0.05) but not female VSMC. In vivo, SOD-1 levels were 3.7-fold higher in female versus male carotid arteries at baseline. After injury, SOD-1 levels decreased in both sexes, but •NO increased SOD-1 levels 3-fold above controls in males, but returned to baseline in females. Conclusions Our results provide evidence that regulation of the redox environment at baseline and following exposure to •NO is sex-dependent in the vasculature. These data suggest that sex-based differential redox regulation may be one mechanism by which •NO is more effective at inhibiting neointimal hyperplasia in male versus female rodents. The baseline redox environment in the vascular is sex-dependent. Nitric oxide differentially affects the vascular redox environment between the sexes. Nitric oxide decreases superoxide (O2.) levels, by increasing SOD-1 activity, sod1 gene expression and SOD-1 protein levels in male vascular smooth muscle cells, but not in females. Sex-based differential redox regulation may be one mechanism by which is more effective at inhibiting neointimal hyperplasia in male versus female rodents.
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Affiliation(s)
- Rommel C Morales
- Division of Vascular Surgery, Northwestern University, Chicago, IL, USA; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
| | - Edward S M Bahnson
- Division of Vascular Surgery, Northwestern University, Chicago, IL, USA; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
| | - George E Havelka
- Division of Vascular Surgery, Northwestern University, Chicago, IL, USA; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
| | | | - Eric E Kelley
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Melina R Kibbe
- Division of Vascular Surgery, Northwestern University, Chicago, IL, USA; Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA; Jesse Brown Veterans Affairs Medical Center, Chicago, IL, USA.
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17
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Bahnson ESM, Koo N, Cantu-Medellin N, Tsui AY, Havelka GE, Vercammen JM, Jiang Q, Kelley EE, Kibbe MR. Nitric oxide inhibits neointimal hyperplasia following vascular injury via differential, cell-specific modulation of SOD-1 in the arterial wall. Nitric Oxide 2014; 44:8-17. [PMID: 25460325 DOI: 10.1016/j.niox.2014.10.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 10/20/2014] [Accepted: 10/27/2014] [Indexed: 12/29/2022]
Abstract
Superoxide (O2(•-)) promotes neointimal hyperplasia following arterial injury. Conversely, nitric oxide ((•)NO) inhibits neointimal hyperplasia through various cell-specific mechanisms, including redox regulation. What remains unclear is whether (•)NO exerts cell-specific regulation of the vascular redox environment following arterial injury to inhibit neointimal hyperplasia. Therefore, the aim of the present study was to assess whether (•)NO exerts cell-specific, differential modulation of O2(•-) levels throughout the arterial wall, establish the mechanism of such modulation, and determine if it regulates (•)NO-dependent inhibition of neointimal hyperplasia. In vivo, (•)NO increased superoxide dismutase-1 (SOD-1) levels following carotid artery balloon injury in a rat model. In vitro, (•)NO increased SOD-1 levels in vascular smooth muscle cells (VSMC), but had no effect on SOD-1 in endothelial cells or adventitial fibroblasts. This SOD-1 increase was associated with an increase in sod1 gene expression, increase in SOD-1 activity, and decrease in O2(•-) levels. Lastly, to determine the role of SOD-1 in (•)NO-mediated inhibition of neointimal hyperplasia, we performed the femoral artery wire injury model in wild type and SOD-1 knockout (KO) mice, with and without (•)NO. Interestingly, (•)NO inhibited neointimal hyperplasia only in wild type mice, with no effect in SOD-1 KO mice. In conclusion, these data show the cell-specific modulation of O2(•-) by (•)NO through regulation of SOD-1 in the vasculature, highlighting its importance on the inhibition of neointimal hyperplasia. These results also shed light into the mechanism of (•)NO-dependent redox balance, and suggest a novel VSMC redox target to prevent neointimal hyperplasia.
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Affiliation(s)
- Edward S M Bahnson
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois, USA
| | - Nathaniel Koo
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois, USA
| | | | - Aaron Y Tsui
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois, USA
| | - George E Havelka
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois, USA
| | - Janet M Vercammen
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois, USA
| | - Qun Jiang
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois, USA
| | - Eric E Kelley
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Melina R Kibbe
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA; Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois, USA; Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, USA.
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18
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Shi KQ, Wu FL, Liu WY, Zhao CC, Chen CX, Xie YY, Wu SJ, Lin XF, Chen YP, Wong DKH, Yuen MF, Zheng MH. Non-alcoholic fatty liver disease and risk of in-stent restenosis after bare metal stenting in native coronary arteries. Mol Biol Rep 2014; 41:4713-20. [PMID: 24691745 DOI: 10.1007/s11033-014-3342-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Accepted: 03/21/2014] [Indexed: 12/15/2022]
Abstract
In-stent restenosis (ISR) remains the most common complication of percutaneous coronary intervention. Due to shared risk factors, it is postulated that non-alcoholic fatty liver disease (NAFLD) patients have an increased risk of ISR. This study aimed to determine the association between NAFLD and ISR in patients after bare metal stenting. This study included a cohort of 210 consecutive patients (150 men and 60 women) undergoing follow-up angiography. The primary end-point was angiographic ISR. Multivariate logistic regression analysis was used to identify independent risk factors for ISR. The cumulative ISR rate during follow-up was analyzed by Kaplan-Meier method. Subgroup analyses were also done for different gender. The ISR rate was 29.5%. Patients with NAFLD had a significantly higher prevalence of ISR than patients without NAFLD (43.3 vs. 16.0%, P < 0.001). In logistic regression analysis, NAFLD was associated with increased ISR, independent of low-density lipoprotein cholesterol, body mass index (adjusted odds ratio: 2.688, 95% confidence intervals: 1.285-5.537, P < 0.001). Male NAFLD patients had a higher prevalence of ISR than patients without NAFLD (48.4 vs. 15.3%, P < 0.001), while the prevalence of ISR in female patients with and without NAFLD were comparable (7.7 vs. 17.0%, P = 0.404). Kaplan-Meier analysis showed a significant association between NAFLD and ISR in all patients (log-rank P = 0.008) and in male subgroup (log-rank P = 0.033), but not in female subgroup (log-rank P = 0.313). This preliminary study suggests that NAFLD could independently associate with a high prevalence of ISR, especially in male patients.
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Affiliation(s)
- Ke-Qing Shi
- Department of Infection and Liver Diseases, Liver Research Center, The First Affiliated Hospital of Wenzhou Medical University, No. 2 Fuxue lane, Wenzhou, 325000, China
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19
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Tsihlis ND, Vavra AK, Martinez J, Lee VR, Kibbe MR. Nitric oxide is less effective at inhibiting neointimal hyperplasia in spontaneously hypertensive rats. Nitric Oxide 2013; 35:165-74. [PMID: 24149190 DOI: 10.1016/j.niox.2013.10.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 09/14/2013] [Accepted: 10/10/2013] [Indexed: 11/15/2022]
Abstract
Exogenous administration of nitric oxide (NO) markedly decreases neointimal hyperplasia following arterial injury in several animal models. However, the effect of NO on neointimal hyperplasia in hypertension remains unknown. Here, we employ the spontaneously hypertensive rat (SHR) strain, inbred from Wistar Kyoto (WKY) rats, and the carotid artery balloon injury model to assess the effects of NO on neointimal hyperplasia development. 2weeks after arterial injury, we showed that both rat strains developed similar levels of neointimal hyperplasia, but local administration of NO was less effective at inhibiting neointimal hyperplasia in the SHR compared to WKY rats (58% vs. 79%, P<0.001). Interestingly, local administration of NO did not affect systemic blood pressure in either rat strain. Compared to WKY, the SHR displayed more proliferation in the media and adventitia following balloon injury, as measured by BrdU incorporation. The SHR also showed more inflammation in the adventitia after injury, as well as more vasa vasorum, than WKY rats. NO treatment reduced the vasa vasorum in the SHR but not WKY rats. Finally, while NO decreased both injury-induced proliferation and inflammation in the SHR, it did not return these parameters to levels seen in WKY rats. We conclude that NO is less effective at inhibiting neointimal hyperplasia in the SHR than WKY rats. This may be due to increased scavenging of NO in the SHR, leading to diminished bioavailability of NO. These data will help to develop novel NO-based therapies that will be equally effective in both normotensive and hypertensive patient populations.
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Affiliation(s)
- Nick D Tsihlis
- Division of Vascular Surgery, Northwestern University, Feinberg School of Medicine, United States; Institute for BioNanotechnology, Medicine Northwestern University, Feinberg School of Medicine, United States
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20
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Havelka GE, Moreira ES, Rodriguez MP, Tsihlis ND, Wang Z, Martínez J, Hrabie JA, Kiefer LK, Kibbe MR. Nitric oxide delivery via a permeable balloon catheter inhibits neointimal growth after arterial injury. J Surg Res 2012; 180:35-42. [PMID: 23164361 DOI: 10.1016/j.jss.2012.10.048] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Revised: 09/17/2012] [Accepted: 10/23/2012] [Indexed: 12/22/2022]
Abstract
BACKGROUND Neointimal hyperplasia limits the longevity of vascular interventions. Nitric oxide (NO) is well known to inhibit neointimal hyperplasia. However, delivery of NO to the vasculature is challenging. Our study aims to evaluate the efficacy of delivering NO to the site of injury using a permeable balloon catheter. Our hypothesis is that ultra-short duration NO delivery using a permeable balloon catheter will inhibit neointimal hyperplasia. MATERIALS AND METHODS Ten-week-old male Sprague-Dawley rats underwent carotid artery balloon injury. Groups included: (1) control, (2) injury, (3) injury + periadventitial NO, and (4) injury + endoluminal NO via permeable balloon catheter. The catheter was inflated to 5 atm pressure for 5 min. Arteries were harvested 2 wk following injury. Morphometric assessment for neointimal hyperplasia and immunohistochemical staining for inflammatory markers were performed. RESULTS Injury increased neointimal hyperplasia compared with control (intima/media area [I/M] ratio 1.07 versus 0.11, respectively, P < 0.001). Periadventitial delivery of NO reduced the I/M area ratio compared with injury alone (55% decrease, P < 0.001). Endoluminal delivery of NO also reduced the I/M area ratio compared with injury alone (65% decrease; P < 0.001). Both endoluminal and periadventitial NO affected the I/M ratio by reducing the intimal area (64% and 46%, respectively, P < 0.001) whereas neither affected the medial area. Periadventitial NO delivery increased lumen area (P < 0.05), whereas endoluminal NO delivery increased circumference (P < 0.05). Periadventitial NO delivery inhibited macrophage intimal infiltration compared with injury alone (P < 0.05). CONCLUSIONS These data demonstrate that short-duration endoluminal NO delivery via permeable balloon catheters inhibits neointimal hyperplasia following arterial interventions. Endoluminal delivery of NO could become a focus for future clinical interventions.
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Affiliation(s)
- George E Havelka
- Division of Vascular Surgery, Northwestern University, Chicago, Illinois, USA
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Alef MJ, Tzeng E, Zuckerbraun BS. Nitric oxide and nitrite-based therapeutic opportunities in intimal hyperplasia. Nitric Oxide 2012; 26:285-94. [PMID: 22504069 DOI: 10.1016/j.niox.2012.03.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Revised: 03/27/2012] [Accepted: 03/30/2012] [Indexed: 12/22/2022]
Abstract
Vascular intimal hyperplasia (IH) limits the long term efficacy of current surgical and percutaneous therapies for atherosclerotic disease. There are extensive changes in gene expression and cell signaling in response to vascular therapies, including changes in nitric oxide (NO) signaling. NO is well recognized for its vasoregulatory properties and has been investigated as a therapeutic treatment for its vasoprotective abilities. The circulating molecules nitrite (NO(2)(-)) and nitrate (NO(3)(-)), once thought to be stable products of NO metabolism, are now recognized as important circulating reservoirs of NO and represent a complementary source of NO in contrast to the classic L-arginine-NO-synthase pathway. Here we review the background of IH, its relationship with the NO and nitrite/nitrate pathways, and current and future therapeutic opportunities for these molecules.
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Affiliation(s)
- Matthew J Alef
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
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