1
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Dobrijević Z, Stevanović J, Robajac D, Penezić A, Četić D, Baralić M, Nedić O. Association between nitric oxide synthase (NOS3) gene polymorphisms and diabetic nephropathy: An updated meta-analysis. Mol Cell Endocrinol 2024; 586:112197. [PMID: 38462124 DOI: 10.1016/j.mce.2024.112197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/12/2024]
Abstract
Polymorphisms located within NOS3 gene have been investigated as susceptibility variants for diabetic nephropathy (DN) in type 2 diabetes mellitus (T2DM) in a large number of studies. However, these previous articles yielded inconsistent results and we aimed at elucidating the impact of NOS3 variants on DN risk in T2DM by conducting an updated systematic data synthesis. A total of 36 studies (12,807 participants) were selected for qualitative data synthesis, while 33 records with 11,649 subjects were included in the meta-analysis. The pooled analysis demonstrated the association of minor alleles of rs2070744 and rs1799983 with an increased susceptibility to DN (P < 0.001 and P = 0.015 for allelic model, respectively). For both of these variants, a significant effect of subgrouping according to ethnicity was found. Rs869109213 displayed an association with DN susceptibility, with pooled effect measures indicating a predisposing effect of the minor allele a (Prec = 0.002, ORrec = 1.960, 95%CI 1.288-2.983; Paavs. bb = 0.001, ORaavs. bb = 2.014, 95%CI 1.316-3.083). These findings support the effects of NOS3 variants on the risk of developing DN in T2DM.
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Affiliation(s)
- Zorana Dobrijević
- University of Belgrade - Institute for the Application of Nuclear Energy, Belgrade, Serbia.
| | - Jovana Stevanović
- University of Belgrade - Institute for the Application of Nuclear Energy, Belgrade, Serbia
| | - Dragana Robajac
- University of Belgrade - Institute for the Application of Nuclear Energy, Belgrade, Serbia
| | - Ana Penezić
- University of Belgrade - Institute for the Application of Nuclear Energy, Belgrade, Serbia
| | - Danilo Četić
- University of Belgrade - Institute for the Application of Nuclear Energy, Belgrade, Serbia
| | - Marko Baralić
- University of Belgrade - School of Medicine, Belgrade, Serbia; Department of Nephrology, University Clinical Centre of Serbia, Belgrade, Serbia
| | - Olgica Nedić
- University of Belgrade - Institute for the Application of Nuclear Energy, Belgrade, Serbia
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2
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Jerka D, Bonowicz K, Piekarska K, Gokyer S, Derici US, Hindy OA, Altunay BB, Yazgan I, Steinbrink K, Kleszczyński K, Yilgor P, Gagat M. Unraveling Endothelial Cell Migration: Insights into Fundamental Forces, Inflammation, Biomaterial Applications, and Tissue Regeneration Strategies. ACS APPLIED BIO MATERIALS 2024; 7:2054-2069. [PMID: 38520346 PMCID: PMC11022177 DOI: 10.1021/acsabm.3c01227] [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: 12/12/2023] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 03/25/2024]
Abstract
Cell migration is vital for many fundamental biological processes and human pathologies throughout our life. Dynamic molecular changes in the tissue microenvironment determine modifications of cell movement, which can be reflected either individually or collectively. Endothelial cell (EC) migratory adaptation occurs during several events and phenomena, such as endothelial injury, vasculogenesis, and angiogenesis, under both normal and highly inflammatory conditions. Several advantageous processes can be supported by biomaterials. Endothelial cells are used in combination with various types of biomaterials to design scaffolds promoting the formation of mature blood vessels within tissue engineered structures. Appropriate selection, in terms of scaffolding properties, can promote desirable cell behavior to varying degrees. An increasing amount of research could lead to the creation of the perfect biomaterial for regenerative medicine applications. In this review, we summarize the state of knowledge regarding the possible systems by which inflammation may influence endothelial cell migration. We also describe the fundamental forces governing cell motility with a specific focus on ECs. Additionally, we discuss the biomaterials used for EC culture, which serve to enhance the proliferative, proangiogenic, and promigratory potential of cells. Moreover, we introduce the mechanisms of cell movement and highlight the significance of understanding these mechanisms in the context of designing scaffolds that promote tissue regeneration.
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Affiliation(s)
- Dominika Jerka
- Department
of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland
| | - Klaudia Bonowicz
- Department
of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland
- Faculty
of Medicine, Collegium Medicum, Mazovian
Academy in Płock, 09-402 Płock, Poland
| | - Klaudia Piekarska
- Department
of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland
| | - Seyda Gokyer
- Department
of Biomedical Engineering, Faculty of Engineering, Ankara University, Ankara 06100, Turkey
| | - Utku Serhat Derici
- Department
of Biomedical Engineering, Faculty of Engineering, Ankara University, Ankara 06100, Turkey
| | - Osama Ali Hindy
- Department
of Biomedical Engineering, Faculty of Engineering, Ankara University, Ankara 06100, Turkey
| | - Baris Burak Altunay
- Department
of Biomedical Engineering, Faculty of Engineering, Ankara University, Ankara 06100, Turkey
| | - Işıl Yazgan
- Department
of Biomedical Engineering, Faculty of Engineering, Ankara University, Ankara 06100, Turkey
| | - Kerstin Steinbrink
- Department
of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany
| | - Konrad Kleszczyński
- Department
of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany
| | - Pinar Yilgor
- Department
of Biomedical Engineering, Faculty of Engineering, Ankara University, Ankara 06100, Turkey
| | - Maciej Gagat
- Department
of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland
- Faculty
of Medicine, Collegium Medicum, Mazovian
Academy in Płock, 09-402 Płock, Poland
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3
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Maisel K, McClain CA, Bogseth A, Thomas SN. Nanotechnologies for Physiology-Informed Drug Delivery to the Lymphatic System. Annu Rev Biomed Eng 2023; 25:233-256. [PMID: 37000965 PMCID: PMC10879987 DOI: 10.1146/annurev-bioeng-092222-034906] [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] [Indexed: 11/05/2023]
Abstract
Accompanying the increasing translational impact of immunotherapeutic strategies to treat and prevent disease has been a broadening interest across both bioscience and bioengineering in the lymphatic system. Herein, the lymphatic system physiology, ranging from its tissue structures to immune functions and effects, is described. Design principles and engineering approaches to analyze and manipulate this tissue system in nanoparticle-based drug delivery applications are also elaborated.
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Affiliation(s)
- Katharina Maisel
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA;
| | - Claire A McClain
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA;
| | - Amanda Bogseth
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA;
| | - Susan N Thomas
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA;
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
- Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia, USA
- Winship Cancer Institute, Emory University, Atlanta, Georgia, USA
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4
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Patil RS, Kovacs-Kasa A, Gorshkov BA, Fulton DJR, Su Y, Batori RK, Verin AD. Serine/Threonine Protein Phosphatases 1 and 2A in Lung Endothelial Barrier Regulation. Biomedicines 2023; 11:1638. [PMID: 37371733 PMCID: PMC10296329 DOI: 10.3390/biomedicines11061638] [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: 05/04/2023] [Revised: 05/28/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
Vascular barrier dysfunction is characterized by increased permeability and inflammation of endothelial cells (ECs), which are prominent features of acute lung injury (ALI), acute respiratory distress syndrome (ARDS), and sepsis, and a major complication of the SARS-CoV-2 infection and COVID-19. Functional impairment of the EC barrier and accompanying inflammation arises due to microbial toxins and from white blood cells of the lung as part of a defensive action against pathogens, ischemia-reperfusion or blood product transfusions, and aspiration syndromes-based injury. A loss of barrier function results in the excessive movement of fluid and macromolecules from the vasculature into the interstitium and alveolae resulting in pulmonary edema and collapse of the architecture and function of the lungs, and eventually culminates in respiratory failure. Therefore, EC barrier integrity, which is heavily dependent on cytoskeletal elements (mainly actin filaments, microtubules (MTs), cell-matrix focal adhesions, and intercellular junctions) to maintain cellular contacts, is a critical requirement for the preservation of lung function. EC cytoskeletal remodeling is regulated, at least in part, by Ser/Thr phosphorylation/dephosphorylation of key cytoskeletal proteins. While a large body of literature describes the role of phosphorylation of cytoskeletal proteins on Ser/Thr residues in the context of EC barrier regulation, the role of Ser/Thr dephosphorylation catalyzed by Ser/Thr protein phosphatases (PPases) in EC barrier regulation is less documented. Ser/Thr PPases have been proposed to act as a counter-regulatory mechanism that preserves the EC barrier and opposes EC contraction. Despite the importance of PPases, our knowledge of the catalytic and regulatory subunits involved, as well as their cellular targets, is limited and under-appreciated. Therefore, the goal of this review is to discuss the role of Ser/Thr PPases in the regulation of lung EC cytoskeleton and permeability with special emphasis on the role of protein phosphatase 1 (PP1) and protein phosphatase 2A (PP2A) as major mammalian Ser/Thr PPases. Importantly, we integrate the role of PPases with the structural dynamics of the cytoskeleton and signaling cascades that regulate endothelial cell permeability and inflammation.
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Affiliation(s)
- Rahul S. Patil
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Anita Kovacs-Kasa
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Boris A. Gorshkov
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - David J. R. Fulton
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Department of Pharmacology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Yunchao Su
- Department of Pharmacology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Robert K. Batori
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Alexander D. Verin
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
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5
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Jiao L, Xu T, Du X, Chen X, Jiao Q, Jiang H. The Inhibition Effects of Sodium Nitroprusside on the Survival of Differentiated Neural Stem Cells through the p38 Pathway. Brain Sci 2023; 13:brainsci13030438. [PMID: 36979248 PMCID: PMC10046126 DOI: 10.3390/brainsci13030438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/25/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
Nitric oxide (NO) is a crucial factor in regulating neuronal development. However, certain effects of NO are complex under different physiological conditions. In this study, we used differentiated neural stem cells (NSCs), which contained neural progenitor cells, neurons, astrocytes, and oligodendrocytes, to observe the physiological effects of sodium nitroprusside (SNP) on the early developmental stage of the nervous system. After SNP treatment for 24 h, the results showed that SNP at 100 μM, 200 μM, 300 μM, and 400 μM concentrations resulted in reduced cell viability and increased cleaved caspase 3 levels, while no significant changes were found at 50 μM. There were no effects on neuronal differentiation in the SNP-treated groups. The phosphorylation of p38 was also significantly upregulated with SNP concentrations of 100 μM, 200 μM, 300 μM, and 400 μM, with no changes for 50 μM concentration in comparison with the control. We also observed that the levels of phosphorylation increased with the increasing concentration of SNP. To further explore the possible role of p38 in SNP-regulated survival of differentiated NSCs, SB202190, the antagonist of p38 mitogen-activated protein kinase, at a concentration of 10 mM, was pretreated for 30 min, and the ratio of phosphorylated p38 was found to be decreased after treatment with SNP. Survival and cell viability increased in the SB202190 and SNP co-treated group. Taken together, our results suggested that p38 is involved in the cell survival of NSCs, regulated by NO.
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Affiliation(s)
- Lingling Jiao
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, State Key Disciplines: Physiology, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Tongying Xu
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, State Key Disciplines: Physiology, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Xixun Du
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, State Key Disciplines: Physiology, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Xi Chen
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, State Key Disciplines: Physiology, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Qian Jiao
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, State Key Disciplines: Physiology, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, School of Basic Medicine, Qingdao University, Qingdao 266071, China
- Correspondence:
| | - Hong Jiang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, State Key Disciplines: Physiology, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, School of Basic Medicine, Qingdao University, Qingdao 266071, China
- College of Health and Life Science, University of Health and Rehabilitation Sciences, Qingdao 266071, China
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6
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Vascularized Tissue Organoids. Bioengineering (Basel) 2023; 10:bioengineering10020124. [PMID: 36829618 PMCID: PMC9951914 DOI: 10.3390/bioengineering10020124] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/19/2023] Open
Abstract
Tissue organoids hold enormous potential as tools for a variety of applications, including disease modeling and drug screening. To effectively mimic the native tissue environment, it is critical to integrate a microvasculature with the parenchyma and stroma. In addition to providing a means to physiologically perfuse the organoids, the microvasculature also contributes to the cellular dynamics of the tissue model via the cells of the perivascular niche, thereby further modulating tissue function. In this review, we discuss current and developing strategies for vascularizing organoids, consider tissue-specific vascularization approaches, discuss the importance of perfusion, and provide perspectives on the state of the field.
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7
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Adams JA, Uryash A, Lopez JR. Non-Invasive Pulsatile Shear Stress Modifies Endothelial Activation; A Narrative Review. Biomedicines 2022; 10:biomedicines10123050. [PMID: 36551807 PMCID: PMC9775985 DOI: 10.3390/biomedicines10123050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 11/29/2022] Open
Abstract
The monolayer of cells that line both the heart and the entire vasculature is the endothelial cell (EC). These cells respond to external and internal signals, producing a wide array of primary or secondary messengers involved in coagulation, vascular tone, inflammation, and cell-to-cell signaling. Endothelial cell activation is the process by which EC changes from a quiescent cell phenotype, which maintains cellular integrity, antithrombotic, and anti-inflammatory properties, to a phenotype that is prothrombotic, pro-inflammatory, and permeable, in addition to repair and leukocyte trafficking at the site of injury or infection. Pathological activation of EC leads to increased vascular permeability, thrombosis, and an uncontrolled inflammatory response that leads to endothelial dysfunction. This pathological activation can be observed during ischemia reperfusion injury (IRI) and sepsis. Shear stress (SS) and pulsatile shear stress (PSS) are produced by mechanical frictional forces of blood flow and contraction of the heart, respectively, and are well-known mechanical signals that affect EC function, morphology, and gene expression. PSS promotes EC homeostasis and cardiovascular health. The archetype of inducing PSS is exercise (i.e., jogging, which introduces pulsations to the body as a function of the foot striking the pavement), or mechanical devices which induce external pulsations to the body (Enhanced External Pulsation (EECP), Whole-body vibration (WBV), and Whole-body periodic acceleration (WBPA aka pGz)). The purpose of this narrative review is to focus on the aforementioned noninvasive methods to increase PSS, review how each of these modify specific diseases that have been shown to induce endothelial activation and microcirculatory dysfunction (Ischemia reperfusion injury-myocardial infarction and cardiac arrest and resuscitation), sepsis, and lipopolysaccharide-induced sepsis syndrome (LPS)), and review current evidence and insight into how each may modify endothelial activation and how these may be beneficial in the acute and chronic setting of endothelial activation and microvascular dysfunction.
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Affiliation(s)
- Jose A. Adams
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL 33140, USA
- Correspondence:
| | - Arkady Uryash
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL 33140, USA
| | - Jose R. Lopez
- Department of Research, Mount Sinai Medical Center, Miami Beach, FL 33140, USA
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Michel JB, Lagrange J, Regnault V, Lacolley P. Conductance Artery Wall Layers and Their Respective Roles in the Clearance Functions. Arterioscler Thromb Vasc Biol 2022; 42:e253-e272. [PMID: 35924557 DOI: 10.1161/atvbaha.122.317759] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Evolutionary organization of the arterial wall into layers occurred concomitantly with the emergence of a highly muscularized, pressurized arterial system that facilitates outward hydraulic conductance and mass transport of soluble substances across the arterial wall. Although colliding circulating cells disperse potential energy within the arterial wall, the different layers counteract this effect: (1) the endothelium ensures a partial barrier function; (2) the media comprises smooth muscle cells capable of endocytosis/phagocytosis; (3) the outer adventitia and perivascular adipocytic tissue are the final receptacles of convected substances. While the endothelium forms a physical and a biochemical barrier, the medial layer is avascular, relying on the specific permeability properties of the endothelium for metabolic support. Different components of the media interact with convected molecules: medial smooth muscle cells take up numerous molecules via scavenger receptors and are capable of phagocytosis of macro/micro particles. The outer layers-the highly microvascularized innervated adventitia and perivascular adipose tissue-are also involved in the clearance functions of the media: the adventitia is the seat of immune response development, inward angiogenesis, macromolecular lymphatic drainage, and neuronal stimulation. Consequently, the clearance functions of the arterial wall are physiologically essential, but also may favor the development of arterial wall pathologies. This review describes how the walls of large conductance arteries have acquired physiological clearance functions, how this is determined by the attributes of the endothelial barrier, governed by endocytic and phagocytic capacities of smooth muscle cells, impacting adventitial functions, and the role of these clearance functions in arterial wall diseases.
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Burboa PC, Puebla M, Gaete PS, Durán WN, Lillo MA. Connexin and Pannexin Large-Pore Channels in Microcirculation and Neurovascular Coupling Function. Int J Mol Sci 2022; 23:ijms23137303. [PMID: 35806312 PMCID: PMC9266979 DOI: 10.3390/ijms23137303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 01/27/2023] Open
Abstract
Microcirculation homeostasis depends on several channels permeable to ions and/or small molecules that facilitate the regulation of the vasomotor tone, hyperpermeability, the blood–brain barrier, and the neurovascular coupling function. Connexin (Cxs) and Pannexin (Panxs) large-pore channel proteins are implicated in several aspects of vascular physiology. The permeation of ions (i.e., Ca2+) and key metabolites (ATP, prostaglandins, D-serine, etc.) through Cxs (i.e., gap junction channels or hemichannels) and Panxs proteins plays a vital role in intercellular communication and maintaining vascular homeostasis. Therefore, dysregulation or genetic pathologies associated with these channels promote deleterious tissue consequences. This review provides an overview of current knowledge concerning the physiological role of these large-pore molecule channels in microcirculation (arterioles, capillaries, venules) and in the neurovascular coupling function.
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Affiliation(s)
- Pía C. Burboa
- Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers University, 185 South Orange Avenue, Newark, NJ 07103, USA; (P.C.B.); (W.N.D.)
- Departamento de Morfología y Función, Facultad de Salud y Ciencias Sociales, Sede Santiago Centro, Universidad de las Américas, Avenue República 71, Santiago 8370040, Chile;
| | - Mariela Puebla
- Departamento de Morfología y Función, Facultad de Salud y Ciencias Sociales, Sede Santiago Centro, Universidad de las Américas, Avenue República 71, Santiago 8370040, Chile;
| | - Pablo S. Gaete
- Department of Physiology and Membrane Biology, University of California at Davis, Davis, CA 95616, USA;
| | - Walter N. Durán
- Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers University, 185 South Orange Avenue, Newark, NJ 07103, USA; (P.C.B.); (W.N.D.)
- Rutgers School of Graduate Studies, 185 South Orange Avenue, Newark, NJ 07103, USA
| | - Mauricio A. Lillo
- Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers University, 185 South Orange Avenue, Newark, NJ 07103, USA; (P.C.B.); (W.N.D.)
- Correspondence:
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10
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Methods for vascularization and perfusion of tissue organoids. Mamm Genome 2022; 33:437-450. [PMID: 35333952 DOI: 10.1007/s00335-022-09951-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 03/10/2022] [Indexed: 12/17/2022]
Abstract
Tissue organoids or "mini organs" can be invaluable tools for understanding health and disease biology, modeling tissue dynamics, or screening potential drug candidates. Effective vascularization of these models is critical for truly representing the in vivo tissue environment. Not only is the formation of a vascular network, and ultimately a microcirculation, essential for proper distribution and exchange of oxygen and nutrients throughout larger organoids, but vascular cells dynamically communicate with other cells to modulate overall tissue behavior. Additionally, interstitial fluid flow, mediated by a perfused microvasculature, can have profound influences on tissue biology. Thus, a truly functionally and biologically relevant organoid requires a vasculature. Here, we review existing strategies for fabricating and incorporating vascular elements and perfusion within tissue organoids.
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11
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Alimoradi H, Thomas A, Lyth DDB, Barzegar-Fallah A, Matikonda SS, Gamble AB, Giles GI. SMA-BmobaSNO: an intelligent photoresponsive nitric oxide releasing polymer for drug nanoencapsulation and targeted delivery. NANOTECHNOLOGY 2022; 33:195101. [PMID: 35078165 DOI: 10.1088/1361-6528/ac4eb0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/25/2022] [Indexed: 06/14/2023]
Abstract
Nitric oxide (NO) is an important biological signalling molecule that acts to vasodilate blood vessels and change the permeability of the blood vessel wall. Due to these cardiovascular actions, co-administering NO with a therapeutic could enhance drug uptake. However current NO donors are not suitable for targeted drug delivery as they systemically release NO. To overcome this limitation we report the development of a smart polymer, SMA-BmobaSNO, designed to release NO in response to a photostimulus. The polymer's NO releasing functionality is an S-nitrosothiol group that, at 10 mg ml-1, is highly resistant to both thermal (t1/216 d) and metabolic (t1/232 h) decomposition, but rapidly brakes down under photoactivation (2700 W m-2, halogen source) to release NO (t1/225 min). Photoresponsive NO release from SMA-BmobaSNO was confirmed in a cardiovascular preparation, where irradiation resulted in a 12-fold decrease in vasorelaxation EC50(from 5.2μM to 420 nM). To demonstrate the polymer's utility for drug delivery we then used SMA-BmobaSNO to fabricate a nanoparticle containing the probe Nile Red (NR). The resulting SMA-BmobaSNO-NR nanoparticle exhibited spherical morphology (180 nm diameter) and sustained NR release (≈20% over 5 d). Targeted delivery was characterised in an abdominal preparation, where photoactivation (450 W m-2) caused localized increases in vasodilation and blood vessel permeability, resulting in a 3-fold increase in NR uptake into photoactivated tissue. Nanoparticles fabricated from SMA-BmobaSNO therefore display highly photoresponsive NO release and can apply the Trojan Horse paradigm by using endogenous NO signalling pathways to smuggle a therapeutic cargo into target tissue.
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Affiliation(s)
- Houman Alimoradi
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Ansa Thomas
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Daniel D B Lyth
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | | | | | - Allan B Gamble
- School of Pharmacy, University of Otago, Dunedin, New Zealand
| | - Gregory I Giles
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
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12
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Kümper M, Hessenthaler S, Zamek J, Niland S, Pach E, Mauch C, Zigrino P. LOSS OF ENDOTHELIAL CELL MMP14 REDUCES MELANOMA GROWTH AND METASTASIS BY INCREASING TUMOR VESSEL STABILITY. J Invest Dermatol 2021; 142:1923-1933.e5. [DOI: 10.1016/j.jid.2021.12.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 12/03/2021] [Accepted: 12/14/2021] [Indexed: 12/13/2022]
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13
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Archer PA, Sestito LF, Manspeaker MP, O'Melia MJ, Rohner NA, Schudel A, Mei Y, Thomas SN. Quantitation of lymphatic transport mechanism and barrier influences on lymph node-resident leukocyte access to lymph-borne macromolecules and drug delivery systems. Drug Deliv Transl Res 2021; 11:2328-2343. [PMID: 34165731 PMCID: PMC8571034 DOI: 10.1007/s13346-021-01015-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/08/2021] [Indexed: 02/04/2023]
Abstract
Lymph nodes (LNs) are tissues of the immune system that house leukocytes, making them targets of interest for a variety of therapeutic immunomodulation applications. However, achieving accumulation of a therapeutic in the LN does not guarantee equal access to all leukocyte subsets. LNs are structured to enable sampling of lymph draining from peripheral tissues in a highly spatiotemporally regulated fashion in order to facilitate optimal adaptive immune responses. This structure results in restricted nanoscale drug delivery carrier access to specific leukocyte targets within the LN parenchyma. Herein, a framework is presented to assess the manner in which lymph-derived macromolecules and particles are sampled in the LN to reveal new insights into how therapeutic strategies or drug delivery systems may be designed to improve access to dLN-resident leukocytes. This summary analysis of previous reports from our group assesses model nanoscale fluorescent tracer association with various leukocyte populations across relevant time periods post administration, studies the effects of bioactive molecule NO on access of lymph-borne solutes to dLN leukocytes, and illustrates the benefits to leukocyte access afforded by lymphatic-targeted multistage drug delivery systems. Results reveal trends consistent with the consensus view of how lymph is sampled by LN leukocytes resulting from tissue structural barriers that regulate inter-LN transport and demonstrate how novel, engineered delivery systems may be designed to overcome these barriers to unlock the therapeutic potential of LN-resident cells as drug delivery targets.
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Affiliation(s)
- Paul A Archer
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Lauren F Sestito
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Margaret P Manspeaker
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Meghan J O'Melia
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA
| | - Nathan A Rohner
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, GA, 30332, Atlanta, USA
| | - Alex Schudel
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- School of Materials Science & Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Yajun Mei
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Susan N Thomas
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, 30332, USA.
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, GA, 30332, Atlanta, USA.
- Winship Cancer Institute, Emory University, Atlanta, GA, 30322, USA.
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14
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Kim J, Archer PA, Thomas SN. Innovations in lymph node targeting nanocarriers. Semin Immunol 2021; 56:101534. [PMID: 34836772 DOI: 10.1016/j.smim.2021.101534] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/11/2021] [Accepted: 11/18/2021] [Indexed: 12/19/2022]
Abstract
Lymph nodes are secondary lymphoid tissues in the body that facilitate the co-mingling of immune cells to enable and regulate the adaptive immune response. They are also tissues implicated in a variety of diseases, including but not limited to malignancy. The ability to access lymph nodes is thus attractive for a variety of therapeutic and diagnostic applications. As nanotechnologies are now well established for their potential in translational biomedical applications, their high relevance to applications that involve lymph nodes is highlighted. Herein, established paradigms of nanocarrier design to enable delivery to lymph nodes are discussed, considering the unique lymph node tissue structure as well as lymphatic system physiology. The influence of delivery mechanism on how nanocarrier systems distribute to different compartments and cells that reside within lymph nodes is also elaborated. Finally, current advanced nanoparticle technologies that have been developed to enable lymph node delivery are discussed.
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Affiliation(s)
- Jihoon Kim
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr NW, Atlanta, GA 30332, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 315 Ferst Dr NW, Atlanta, GA 30332, USA
| | - Paul A Archer
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr NW, Atlanta, GA 30332, USA; School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Susan N Thomas
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr NW, Atlanta, GA 30332, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 315 Ferst Dr NW, Atlanta, GA 30332, USA; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 313 Ferst Dr NW, Atlanta, GA 30332, USA; Emory University, 201 Dowman Drive, Atlanta, GA 30322, USA; Winship Cancer Institute, Emory University School of Medicine, 1365-C Clifton Road NE, Atlanta, GA 30322, USA.
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15
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de Souza MDGC, Cyrino FZGA, Sicuro FL, Bouskela E. Effects of Ruscus extract on muscarinic receptors: Is there a role for endothelium derived relaxing factors on macromolecular permeability protection and microvascular diameter changes? Clin Hemorheol Microcirc 2021; 77:443-459. [PMID: 33459701 DOI: 10.3233/ch-201019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Protective effects of Ruscus extract on macromolecular permeability depend on its capacity to stimulate muscarinic receptors on endothelial cells and induce the release of endothelium derived relaxing factors (EDRFs). OBJECTIVE To investigate if these effects depend only on activation of muscarinic receptors or if EDRFs release are also necessary. We have also investigated the participation of Ruscus extract on muscarinic-induced release of EDRFs on microvascular diameters. METHODS Hamsters were treated daily during two weeks with Ruscus extract (50, 150 and 450 mg/kg/day) and then macromolecular permeability induced by histamine and arteriolar and venular diameters after cyclooxygenase (COX) and nitric oxide synthase (NOS) inhibitors: indomethacin and Nω-Nitro-L-arginine (LNA), respectively applied topically at 10-8M, 10-6M and 10-4M were observed on the cheek pouch preparation. RESULTS Ruscus extract decreased macromolecular permeability in a dose-dependent fashion and did not affect microvascular diameters. NOS and COX inhibitors enhanced its effect on microvascular permeability. NOS inhibition reduced arteriolar diameter and COX blocking decreased arteriolar and venular diameters at the lowest dose and increased them at higher doses of Ruscus extract. CONCLUSION The protective effect of Ruscus extract on macromolecular permeability seems to be mediated only via muscarinic receptors. Muscarinic activation attenuated vasoconstrictive tone through cyclooxygenase-independent endothelium derived relaxing factors.
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Affiliation(s)
- Maria das Graças C de Souza
- Laboratório de Pesquisas Clínicas e Experimentais em Biologia Vascular, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Fatima Z G A Cyrino
- Laboratório de Pesquisas Clínicas e Experimentais em Biologia Vascular, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Fernando L Sicuro
- Laboratório de Pesquisas Clínicas e Experimentais em Biologia Vascular, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Eliete Bouskela
- Laboratório de Pesquisas Clínicas e Experimentais em Biologia Vascular, Centro Biomédico, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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16
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Horvat D, Afroze SH, Cromer WE, Pantho AF, Ashraf AHMZ, Kuehl TJ, Zawieja DC, Uddin MN. Cartiotonic steroids affect monolayer permeability in lymphatic endothelial cells. Mol Cell Biochem 2021; 476:3207-3213. [PMID: 33866492 DOI: 10.1007/s11010-021-04147-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 03/31/2021] [Indexed: 11/24/2022]
Abstract
Edema is common in preeclampsia (preE), a hypertensive disorder of pregnancy. Cardiotonic steroids (CTSs) such as marinobufagenin (MBG) are involved in the pathogenesis of preE. To assess whether CTSs are involved in the leakage of lymphatic endothelial cell (LEC), we evaluated their effect on monolayer permeability of LECs (MPLEC) in culture. A rat mesenteric LECs were treated with DMSO (vehicle), and CTSs (MBG, CINO, OUB) at concentrations of 1, 10, and 100 nM. Some LECs were pretreated with 1 μM L-NAME (N-Nitro-L-Arginine Methyl Ester) before adding 100 nM MBG or cinobufotalin (CINO). Expression of β-catenin and vascular endothelial (VE)-cadherin in CTS-treated LECs was measured by immunofluorescence and MPLEC was quantified using a fluorescence plate reader. Western blot was performed to measure β-catenin and VE-cadherin protein levels and myosin light chain 20 (MLC20) phosphorylation. MBG (≥ 1 nM) and CINO (≥ 10 nM) caused an increase (p < 0.05) in the MPLEC compared to DMSO while ouabain (OUB) had no effect. Pretreatment of LECs with 1 μM L-NAME attenuated (p < 0.05) the MPLEC. The β-catenin expression in LECs was downregulated (p < 0.05) by MBG and CINO. However, there was no effect on the LECs tight junctions for the CINO group. VE-cadherin expression was downregulated (p < 0.05) by CINO, and MLC20 phosphorylation was upregulated (p < 0.05) by MBG. We demonstrated that MBG and CINO caused an increase in the MPLEC, which were attenuated by L-NAME pretreatment. The data suggest that CTSs exert their effect via nitric-oxide-dependent signaling pathway and may be involved in vascular leak syndrome of LEC lining in preE.
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Affiliation(s)
- Darijana Horvat
- Orion Institute for Translational Medicine, Temple, TX, USA.,Emergent Biotechnologies LLC, Temple, TX, USA
| | - Syeda H Afroze
- Orion Institute for Translational Medicine, Temple, TX, USA.,Emergent Biotechnologies LLC, Temple, TX, USA
| | - Walter E Cromer
- Department of Medical Physiology, Texas A&M Health Science Center College of Medicine, Bryan, TX, USA
| | - Ahmed F Pantho
- Orion Institute for Translational Medicine, Temple, TX, USA.,Emergent Biotechnologies LLC, Temple, TX, USA
| | | | - Thomas J Kuehl
- Orion Institute for Translational Medicine, Temple, TX, USA.,Emergent Biotechnologies LLC, Temple, TX, USA
| | - David C Zawieja
- Department of Medical Physiology, Texas A&M Health Science Center College of Medicine, Bryan, TX, USA
| | - Mohammad Nasir Uddin
- Orion Institute for Translational Medicine, Temple, TX, USA. .,Emergent Biotechnologies LLC, Temple, TX, USA. .,Department of Medical Physiology, Texas A&M Health Science Center College of Medicine, Bryan, TX, USA.
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17
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Molecular Dambusters: What Is Behind Hyperpermeability in Bradykinin-Mediated Angioedema? Clin Rev Allergy Immunol 2021; 60:318-347. [PMID: 33725263 PMCID: PMC7962090 DOI: 10.1007/s12016-021-08851-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2021] [Indexed: 02/08/2023]
Abstract
In the last few decades, a substantial body of evidence underlined the pivotal role of bradykinin in certain types of angioedema. The formation and breakdown of bradykinin has been studied thoroughly; however, numerous questions remained open regarding the triggering, course, and termination of angioedema attacks. Recently, it became clear that vascular endothelial cells have an integrative role in the regulation of vessel permeability. Apart from bradykinin, a great number of factors of different origin, structure, and mechanism of action are capable of modifying the integrity of vascular endothelium, and thus, may participate in the regulation of angioedema formation. Our aim in this review is to describe the most important permeability factors and the molecular mechanisms how they act on endothelial cells. Based on endothelial cell function, we also attempt to explain some of the challenging findings regarding bradykinin-mediated angioedema, where the function of bradykinin itself cannot account for the pathophysiology. By deciphering the complex scenario of vascular permeability regulation and edema formation, we may gain better scientific tools to be able to predict and treat not only bradykinin-mediated but other types of angioedema as well.
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18
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Adams JA, Uryash A, Lopez JR, Sackner MA. The Endothelium as a Therapeutic Target in Diabetes: A Narrative Review and Perspective. Front Physiol 2021; 12:638491. [PMID: 33708143 PMCID: PMC7940370 DOI: 10.3389/fphys.2021.638491] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 01/29/2021] [Indexed: 12/18/2022] Open
Abstract
Diabetes has reached worldwide epidemic proportions, and threatens to be a significant economic burden to both patients and healthcare systems, and an important driver of cardiovascular mortality and morbidity. Improvement in lifestyle interventions (which includes increase in physical activity via exercise) can reduce diabetes and cardiovascular disease mortality and morbidity. Encouraging a population to increase physical activity and exercise is not a simple feat particularly in individuals with co-morbidities (obesity, heart disease, stroke, peripheral vascular disease, and those with cognitive and physical limitations). Translation of the physiological benefits of exercise within that vulnerable population would be an important step for improving physical activity goals and a stopgap measure to exercise. In large part many of the beneficial effects of exercise are due to the introduction of pulsatile shear stress (PSS) to the vascular endothelium. PSS is a well-known stimulus for endothelial homeostasis, and induction of a myriad of pathways which include vasoreactivity, paracrine/endocrine function, fibrinolysis, inflammation, barrier function, and vessel growth and formation. The endothelial cell mediates the balance between vasoconstriction and relaxation via the major vasodilator endothelial derived nitric oxide (eNO). eNO is critical for vasorelaxation, increasing blood flow, and an important signaling molecule that downregulates the inflammatory cascade. A salient feature of diabetes, is endothelial dysfunction which is characterized by a reduction of the bioavailability of vasodilators, particularly nitric oxide (NO). Cellular derangements in diabetes are also related to dysregulation in Ca2+ handling with increased intracellular Ca2+overload, and oxidative stress. PSS increases eNO bioavailability, reduces inflammatory phenotype, decreases intracellular Ca2+ overload, and increases antioxidant capacity. This narrative review and perspective will outline four methods to non-invasively increase PSS; Exercise (the prototype for increasing PSS), Enhanced External Counterpulsation (EECP), Whole Body Vibration (WBV), Passive Simulated Jogging and its predicate device Whole Body Periodic Acceleration, and will discuss current knowledge on their use in diabetes.
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Affiliation(s)
- Jose A Adams
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL, United States
| | - Arkady Uryash
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL, United States
| | - Jose R Lopez
- Department of Research, Mount Sinai Medical Center, Miami Beach, FL, United States
| | - Marvin A Sackner
- Department of Medicine, Mount Sinai Medical Center, Miami Beach, FL, United States
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19
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Ma Y, Yang X, Chatterjee V, Wu MH, Yuan SY. The Gut-Lung Axis in Systemic Inflammation. Role of Mesenteric Lymph as a Conduit. Am J Respir Cell Mol Biol 2021; 64:19-28. [PMID: 32877613 DOI: 10.1165/rcmb.2020-0196tr] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Emerging evidence shows that after injury or infection, the mesenteric lymph acts as a conduit for gut-derived toxic factors to enter the blood circulation, causing systemic inflammation and acute lung injury. Neither the cellular and molecular identity of lymph factors nor their mechanisms of action have been well understood and thus have become a timely topic of investigation. This review will first provide a summary of background knowledge on gut barrier and mesenteric lymphatics, followed by a discussion focusing on the current understanding of potential injurious factors in the lymph and their mechanistic contributions to lung injury. We also examine lymph factors with antiinflammatory properties as well as the bidirectional nature of the gut-lung axis in inflammation.
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Affiliation(s)
- Yonggang Ma
- Department of Molecular Pharmacology and Physiology, and
| | - Xiaoyuan Yang
- Department of Molecular Pharmacology and Physiology, and
| | | | - Mack H Wu
- Department of Surgery, University of South Florida Morsani College of Medicine, Tampa, Florida
| | - Sarah Y Yuan
- Department of Molecular Pharmacology and Physiology, and.,Department of Surgery, University of South Florida Morsani College of Medicine, Tampa, Florida
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20
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Reina-Torres E, De Ieso ML, Pasquale LR, Madekurozwa M, van Batenburg-Sherwood J, Overby DR, Stamer WD. The vital role for nitric oxide in intraocular pressure homeostasis. Prog Retin Eye Res 2020; 83:100922. [PMID: 33253900 DOI: 10.1016/j.preteyeres.2020.100922] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 11/13/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023]
Abstract
Catalyzed by endothelial nitric oxide (NO) synthase (eNOS) activity, NO is a gaseous signaling molecule maintaining endothelial and cardiovascular homeostasis. Principally, NO regulates the contractility of vascular smooth muscle cells and permeability of endothelial cells in response to either biochemical or biomechanical cues. In the conventional outflow pathway of the eye, the smooth muscle-like trabecular meshwork (TM) cells and Schlemm's canal (SC) endothelium control aqueous humor outflow resistance, and therefore intraocular pressure (IOP). The mechanisms by which outflow resistance is regulated are complicated, but NO appears to be a key player as enhancement or inhibition of NO signaling dramatically affects outflow function; and polymorphisms in NOS3, the gene that encodes eNOS modifies the relation between various environmental exposures and glaucoma. Based upon a comprehensive review of past foundational studies, we present a model whereby NO controls a feedback signaling loop in the conventional outflow pathway that is sensitive to changes in IOP and its oscillations. Thus, upon IOP elevation, the outflow pathway tissues distend, and the SC lumen narrows resulting in increased SC endothelial shear stress and stretch. In response, SC cells upregulate the production of NO, relaxing neighboring TM cells and increasing permeability of SC's inner wall. These IOP-dependent changes in the outflow pathway tissues reduce the resistance to aqueous humor drainage and lower IOP, which, in turn, diminishes the biomechanical signaling on SC. Similar to cardiovascular pathogenesis, dysregulation of the eNOS/NO system leads to dysfunctional outflow regulation and ocular hypertension, eventually resulting in primary open-angle glaucoma.
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Affiliation(s)
| | | | - Louis R Pasquale
- Eye and Vision Research Institute of New York Eye and Ear Infirmary at Mount Sinai, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | | | - Darryl R Overby
- Department of Bioengineering, Imperial College London, London, UK.
| | - W Daniel Stamer
- Department of Ophthalmology, Duke University, Durham, NC, USA.
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21
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Role of β 3-Adrenoceptor Activation in Changes of Pulmonary Microhemodynamics after Experimental Pulmonary Thromboembolism. Bull Exp Biol Med 2020; 169:751-754. [PMID: 33119807 DOI: 10.1007/s10517-020-04971-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Indexed: 10/23/2022]
Abstract
Changes in pulmonary microhemodynamics during modelling of pulmonary thromboembolism against the background of nebivolol and mirabegron pretreatment were studied in isolated perfused rabbit lungs. In both cases, the pulmonary artery pressure and precapillary and pulmonary vascular resistance increased to a greater extent than in control animals, but the increase in capillary hydrostatic pressure was less pronounced. The postcapillary resistance did not change in pulmonary embolism against the background of nebivolol administration and increased in case of mirabegron pretreatment; capillary filtration coefficient after nebivolol pretreatment increased less markedly than after mirabegron administration. The increase in capillary filtration coefficient after activation of β3-adrenoceptors with the specified drugs depended on the ratio of constriction of pulmonary veins, capillary hydrostatic pressure, and endothelial permeability.
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22
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Martínez-Rey D, Carmona-Rodríguez L, Fernández-Aceñero MJ, Mira E, Mañes S. Extracellular Superoxide Dismutase, the Endothelial Basement Membrane, and the WNT Pathway: New Players in Vascular Normalization and Tumor Infiltration by T-Cells. Front Immunol 2020; 11:579552. [PMID: 33250894 PMCID: PMC7673374 DOI: 10.3389/fimmu.2020.579552] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/12/2020] [Indexed: 12/11/2022] Open
Abstract
Tumor-infiltrating lymphocytes (TILs) are major players in the immune-mediated control of cancer and the response to immunotherapy. In primary cancers, however, TILs are commonly absent, suggesting T-cell entry into the tumor microenvironment (TME) to be selectively restricted. Blood and lymph vessels are the first barriers that circulating T-cells must cross to reach the tumor parenchyma. Certainly, the crossing of the endothelial cell (EC) basement membrane (EC-BM)—an extracellular matrix underlying EC—is a limiting step in T-cell diapedesis. This review highlights new data suggesting the antioxidant enzyme superoxide dismutase-3 (SOD3) to be a regulator of EC-BM composition in the tumor vasculature. In the EC, SOD3 induces vascular normalization and endows the EC-BM with the capacity for the extravasation of effector T-cells into the TME, which it achieves via the WNT signaling pathway. However, when activated in tumor cells, this same pathway is reported to exclude TILs. SOD3 also regulates TIL density in primary human colorectal cancers (CRC), thus affecting the relapse rate and patient survival.
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Affiliation(s)
- Diego Martínez-Rey
- Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB/CSIC), Madrid, Spain
| | | | - María Jesús Fernández-Aceñero
- Department of Surgical Pathology, Fundación de Investigación Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Emilia Mira
- Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB/CSIC), Madrid, Spain
| | - Santos Mañes
- Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB/CSIC), Madrid, Spain
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23
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Dull RO, Chignalia AZ. The Glycocalyx and Pressure-Dependent Transcellular Albumin Transport. Cardiovasc Eng Technol 2020; 11:655-662. [PMID: 33006050 PMCID: PMC7782381 DOI: 10.1007/s13239-020-00489-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/24/2020] [Indexed: 12/17/2022]
Abstract
Purpose Acute increases in hydrostatic pressure activate endothelial signaling pathways that modulate barrier function and vascular permeability. We investigated the role the glycocalyx and established mechanotransduction pathways in pressure-induced albumin transport across rat lung microvascular endothelial cells.
Methods Rat lung microvascular endothelial cells (RLMEC) were cultured on Costar Snapwell chambers. Cell morphology was assessed using silver nitrate staining. RLMEC were exposed to zero pressure (Control) or 30 cmH2O (Pressure) for 30 or 60 min. Intracellular albumin uptake and transcellular albumin transport was quantified. Transcellular transport was reported as solute flux (Js) and an effective permeability coefficient (Pe). The removal of cell surface heparan sulfates (heparinase), inhibition of NOS (L-NAME) and reactive oxygen species (apocynin, Apo) was investigated. Results Acute increase in hydrostatic pressure augmented albumin uptake by 30–40% at 60 min and Js and Pe both increased significantly. Heparinase increased albumin uptake but attenuated transcellular transport while L-NAME attenuated both pressure-dependent albumin uptake and transport. Apo interrupted albumin uptake under both control and pressure conditions, leading to a near total lack of transcellular transport, suggesting a different mechanism and/or site of action. Conclusion Pressure-dependent albumin uptake and transcellular transport is another component of endothelial mechanotransduction and associated regulation of solute flux. This novel albumin uptake and transport pathway is regulated by heparan sulfates and eNOS. Albumin uptake is sensitive to ROS. The physiological and clinical implications of this albumin transport are discussed.
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Affiliation(s)
- Randal O Dull
- Department of Anesthesiology, University of Illinois College of Medicine, Chicago, IL, USA. .,Department of Anesthesiology, Banner-University Medical Center, University of Arizona College of Medicine, Suite 4401, 1501 N. Campbell Avenue, Tucson, AZ, 85724-5114, USA. .,Department of Pathology, Banner-University Medical Center, University of Arizona College of Medicine, Tucson, AZ, USA. .,Department of Surgery, Banner-University Medical Center, University of Arizona College of Medicine, Tucson, AZ, USA.
| | - Andreia Z Chignalia
- Department of Anesthesiology, University of Illinois College of Medicine, Chicago, IL, USA.,Department of Anesthesiology, Banner-University Medical Center, University of Arizona College of Medicine, Suite 4401, 1501 N. Campbell Avenue, Tucson, AZ, 85724-5114, USA.,Department of Physiology, Banner-University Medical Center, University of Arizona College of Medicine, Tucson, AZ, USA.,Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ, USA
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24
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Lymph-directed nitric oxide increases immune cell access to lymph-borne nanoscale solutes. Biomaterials 2020; 265:120411. [PMID: 33080460 DOI: 10.1016/j.biomaterials.2020.120411] [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: 05/29/2020] [Revised: 09/16/2020] [Accepted: 09/18/2020] [Indexed: 12/12/2022]
Abstract
Lymph nodes (LNs) are immune organs housing high concentrations of lymphocytes, making them critical targets for therapeutic immunomodulation in a wide variety of diseases. While there is great interest in targeted drug delivery to LNs, many nanoscale drug delivery carriers have limited access to parenchymal resident immune cells compared to small molecules, limiting their efficacy. Nitric oxide (NO) is a potent regulator of vascular and lymphatic transport and a promising candidate for modulating nanocarrier access to LNs, but its lymphatic accumulation is limited by its low molecular weight and high reactivity. In this work, we employ S-nitrosated nanoparticles (SNO-NP), a lymphatic-targeted delivery system for controlled NO release, to investigate the effect of NO application on molecule accumulation and distribution within the LN. We evaluated the LN accumulation, spatial distribution, and cellular distribution of a panel of fluorescent tracers after intradermal administration alongside SNO-NP or a small molecule NO donor. While SNO-NP did not alter total tracer accumulation in draining lymph nodes (dLNs) or affect active cellular transport of large molecules from the injection site, its application enhanced the penetration of nanoscale 30 nm dextrans into the LN and their subsequent uptake by LN-resident lymphocytes, while nontargeted NO delivery did not. These results further extended to a peptide-conjugated NP drug delivery system, which showed enhanced uptake by B cells and dendritic cells when administered alongside SNO-NP. Together, these results highlight the utility of LN-targeted NO application for the enhancement of nanocarrier access to therapeutically relevant LN-resident immune cells, making NO a potentially useful tool for improving LN drug delivery and immune responses.
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25
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Cross RW, Prasad AN, Borisevich V, Geisbert JB, Agans KN, Deer DJ, Fenton KA, Geisbert TW. Crimean-Congo hemorrhagic fever virus strains Hoti and Afghanistan cause viremia and mild clinical disease in cynomolgus monkeys. PLoS Negl Trop Dis 2020; 14:e0008637. [PMID: 32790668 PMCID: PMC7447009 DOI: 10.1371/journal.pntd.0008637] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 08/25/2020] [Accepted: 07/24/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Development of vaccines and therapies against Crimean-Congo hemorrhagic fever virus (CCHFV) have been hindered by the lack of immunocompetent animal models. Recently, a lethal nonhuman primate model based on the CCHFV Hoti strain was reported. CCHFV Hoti caused severe disease in cynomolgus monkeys with 75% lethality when given by the intravenous (i.v.) route. METHODOLOGY/PRINCIPAL FINDINGS In a series of experiments, eleven cynomologus monkeys were exposed i.v. to CCHFV Hoti and four macaques were exposed i.v. to CCHFV Afghanistan. Despite transient viremia and changes in clinical pathology such as leukopenia and thrombocytopenia developing in all 15 animals, all macaques survived to the study endpoint without developing severe disease. CONCLUSIONS/SIGNIFICANCE We were unable to attribute differences in the results of our study versus the previous report to differences in the CCHFV Hoti stock, challenge dose, origin, or age of the macaques. The observed differences are most likely the result of the outbred nature of macaques and low animal numbers often used by necessity and for ethical considerations in BSL-4 studies. Nonetheless, while we were unable to achieve severe disease or lethality, the CCHFV Hoti and Afghanistan macaque models are useful for screening medical countermeasures using biomarkers including viremia and clinical pathology to assess efficacy.
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Affiliation(s)
- Robert W. Cross
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Abhishek N. Prasad
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Viktoriya Borisevich
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Joan B. Geisbert
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Krystle N. Agans
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Daniel J. Deer
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Karla A. Fenton
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Thomas W. Geisbert
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, United States of America
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, United States of America
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26
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Yoshikawa T, Phan KQ, Tagawa H, Sasaki K, Feng H, Kishimura A, Mori T, Katayama Y. Modification of nitric oxide donors onto a monoclonal antibody boosts accumulation in solid tumors. Int J Pharm 2020; 583:119352. [PMID: 32325243 DOI: 10.1016/j.ijpharm.2020.119352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 04/07/2020] [Accepted: 04/18/2020] [Indexed: 11/17/2022]
Abstract
Although monoclonal antibodies (mAbs) have revolutionized cancer treatment, their accumulation in solid tumors is limited and requires improvement to enhance therapeutic efficacy. Here we developed a strategy to modify mAb with a donor of nitric oxide (NO) because NO functions to vasodilate as well as to enhance the permeability of vascular endothelium, which will contribute to enhancing the tumor accumulation of mAb. We selected S-nitrosothiol as a NO donor and established the procedure to modify S-nitrosothiol group on mAb under ambient conditions. The modified mAb (Ab-SNO) thus obtained released NO in a preferable speed and maintained its original properties such as binding affinity to a target antigen and efficacy to induce antibody-dependent cellular cytotoxicity. We demonstrated that Ab-SNO enhanced the tumor accumulation of co-administered proteins such as antibody and serum albumin.
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Affiliation(s)
- Takuma Yoshikawa
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan
| | - Khanh Quoc Phan
- Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroshi Tagawa
- Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan
| | - Koichi Sasaki
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan
| | - Haitao Feng
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan
| | - Akihiro Kishimura
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan; Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan; International Research Center for Molecular Systems, Kyushu University, Fukuoka, Japan
| | - Takeshi Mori
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan; Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan.
| | - Yoshiki Katayama
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan; Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan; International Research Center for Molecular Systems, Kyushu University, Fukuoka, Japan; Center for Advanced Medical Innovation, Kyushu University, Fukuoka, Japan; Department of Biomedical Engineering, Chung Yuan Christian University, Taoyuan, Taiwan.
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27
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Hannemann J, Zummack J, Hillig J, Böger R. Metabolism of asymmetric dimethylarginine in hypoxia: from bench to bedside. Pulm Circ 2020; 10:2045894020918846. [PMID: 32313644 PMCID: PMC7158260 DOI: 10.1177/2045894020918846] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 03/20/2020] [Indexed: 12/16/2022] Open
Abstract
Acute hypoxia and chronic hypoxia induce pulmonary vasoconstriction. While hypoxic pulmonary vasoconstriction is a physiological response if parts of the lung are affected, global exposure to hypoxic conditions may lead to clinical conditions like high-altitude pulmonary hypertension. Nitric oxide is the major vasodilator released from the vascular endothelium. Nitric oxide-dependent vasodilation is impaired in hypoxic conditions. Inhibition of nitric oxide synthesis is the most rapid and easily reversible molecular mechanism to regulate nitric oxide-dependent vascular function in response to physiological and pathophysiological stimuli. Asymmetric dimethylarginine is an endogenous, competitive inhibitor of nitric oxide synthase and a risk marker for major cardiovascular events and mortality. Elevated asymmetric dimethylarginine has been observed in animal models of hypoxia as well as in human cohorts under chronic and chronic intermittent hypoxia at high altitude. In lowlanders, asymmetric dimethylarginine is high in patients with pulmonary hypertension. We have recently shown that high asymmetric dimethylarginine at sea level is a predictor for high-altitude pulmonary hypertension. Asymmetric dimethylarginine is a highly regulated molecule, both by its biosynthesis and metabolism. Methylation of L-arginine by protein arginine methyltransferases was shown to be increased in hypoxia. Furthermore, the metabolism of asymmetric dimethylarginine by dimethylarginine dimethylaminohydrolases (DDAH1 and DDAH2) is decreased in animal models of hypoxia. Whether these changes are caused by transcriptional or posttranslational modifications remains to be elucidated. Current data suggest a major role of asymmetric dimethylarginine in regulating pulmonary arterial nitric oxide production in hypoxia. Further studies are needed to decipher the molecular mechanisms regulating asymmetric dimethylarginine in hypoxia and to understand their clinical significance.
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Affiliation(s)
- Juliane Hannemann
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute DECIPHER, German-Chilean Institute for Research on Pulmonary Hypoxia and its Health Sequelae, Hamburg, Germany
| | - Julia Zummack
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute DECIPHER, German-Chilean Institute for Research on Pulmonary Hypoxia and its Health Sequelae, Hamburg, Germany
| | - Jonas Hillig
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute DECIPHER, German-Chilean Institute for Research on Pulmonary Hypoxia and its Health Sequelae, Hamburg, Germany
| | - Rainer Böger
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute DECIPHER, German-Chilean Institute for Research on Pulmonary Hypoxia and its Health Sequelae, Hamburg, Germany
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28
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Steins A, Klaassen R, Jacobs I, Schabel MC, van Lier MGJTB, Ebbing EA, Hectors SJ, Tas SW, Maracle CX, Punt CJA, Siebes M, Bergman JJGHM, Medema JP, Wilmink JW, Mathot RAA, Strijkers GJ, Bijlsma MF, van Laarhoven HWM. Rapid stromal remodeling by short-term VEGFR2 inhibition increases chemotherapy delivery in esophagogastric adenocarcinoma. Mol Oncol 2020; 14:704-720. [PMID: 31733011 PMCID: PMC7138404 DOI: 10.1002/1878-0261.12599] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/30/2019] [Accepted: 11/13/2019] [Indexed: 12/11/2022] Open
Abstract
Anti-angiogenic agents combined with chemotherapy is an important strategy for the treatment of solid tumors. However, survival benefit is limited, urging the improvement of combination therapies. We aimed to clarify the effects of vascular endothelial growth factor receptor 2 (VEGFR2) targeting on hemodynamic function and penetration of drugs in esophagogastric adenocarcinoma (EAC). Patient-derived xenograft (PDX) models of EAC were subjected to long-term and short-term treatment with anti-VEGFR2 therapy followed by chemotherapy injection or multi-agent dynamic contrast-enhanced (DCE-) MRI and vascular casting. Long-term anti-VEGFR2-treated tumors showed a relatively lower flow and vessel density resulting in reduced chemotherapy uptake. On the contrary, short-term VEGFR2 targeting resulted in relatively higher flow, rapid vasodilation, and improved chemotherapy delivery. Assessment of the extracellular matrix (ECM) revealed that short-term anti-angiogenic treatment drastically remodels the tumor stroma by inducing nitric oxide synthesis and hyaluronan degradation, thereby dilating the vasculature and improving intratumoral chemotherapy delivery. These previously unrecognized beneficial effects could not be maintained by long-term VEGFR2 inhibition. As the identified mechanisms are targetable, they offer direct options to enhance the treatment efficacy of anti-angiogenic therapy combined with chemotherapy in EAC patients.
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Affiliation(s)
- Anne Steins
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, The Netherlands.,Department of Medical Oncology, Amsterdam UMC, University of Amsterdam, The Netherlands.,Oncode Institute, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Remy Klaassen
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, The Netherlands.,Department of Medical Oncology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Igor Jacobs
- Department of Biomedical Engineering, Biomedical NMR, Eindhoven, The Netherlands.,Oncology Solutions, Philips Research, Eindhoven, The Netherlands
| | - Matthias C Schabel
- Advanced Imaging Research Center, Oregon Health and Science University, Portland, OR, USA
| | - Monique G J T B van Lier
- Department of Biomedical Engineering and Physics, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Eva A Ebbing
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Stefanie J Hectors
- Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sander W Tas
- Department of Rheumatology and Immunology, Amsterdam UMC, University of Amsterdam, The Netherlands.,Department of Experimental Immunology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Chrissta X Maracle
- Department of Rheumatology and Immunology, Amsterdam UMC, University of Amsterdam, The Netherlands.,Department of Experimental Immunology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Cornelis J A Punt
- Department of Medical Oncology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Maria Siebes
- Department of Biomedical Engineering and Physics, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Jacques J G H M Bergman
- Department of Gastroenterology and Hepatology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Jan Paul Medema
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, The Netherlands.,Oncode Institute, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Johanna W Wilmink
- Department of Medical Oncology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Ron A A Mathot
- Department of Hospital Pharmacy, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Gustav J Strijkers
- Department of Biomedical Engineering and Physics, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Maarten F Bijlsma
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, The Netherlands.,Oncode Institute, Amsterdam UMC, University of Amsterdam, The Netherlands
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29
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Buniatian GH, Weiskirchen R, Weiss TS, Schwinghammer U, Fritz M, Seferyan T, Proksch B, Glaser M, Lourhmati A, Buadze M, Borkham-Kamphorst E, Gaunitz F, Gleiter CH, Lang T, Schaeffeler E, Tremmel R, Cynis H, Frey WH, Gebhardt R, Friedman SL, Mikulits W, Schwab M, Danielyan L. Antifibrotic Effects of Amyloid-Beta and Its Loss in Cirrhotic Liver. Cells 2020; 9:cells9020452. [PMID: 32089540 PMCID: PMC7072823 DOI: 10.3390/cells9020452] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/06/2020] [Accepted: 02/13/2020] [Indexed: 12/15/2022] Open
Abstract
The function and regulation of amyloid-beta (Aβ) in healthy and diseased liver remains unexplored. Because Aβ reduces the integrity of the blood-brain barrier we have examined its potential role in regulating the sinusoidal permeability of normal and cirrhotic liver. Aβ and key proteins that generate (beta-secretase 1 and presenilin-1) and degrade it (neprilysin and myelin basic protein) were decreased in human cirrhotic liver. In culture, activated hepatic stellate cells (HSC) internalized Aβ more efficiently than astrocytes and HSC degraded Aβ leading to suppressed expression of α-smooth muscle actin (α-SMA), collagen 1 and transforming growth factor β (TGFβ). Aβ also upregulated sinusoidal permeability marker endothelial NO synthase (eNOS) and decreased TGFβ in cultured human liver sinusoidal endothelial cells (hLSEC). Liver Aβ levels also correlate with the expression of eNOS in transgenic Alzheimer’s disease mice and in human and rodent cirrhosis/fibrosis. These findings suggest a previously unexplored role of Aβ in the maintenance of liver sinusoidal permeability and in protection against cirrhosis/fibrosis via attenuation of HSC activation.
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Affiliation(s)
- Gayane Hrachia Buniatian
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
- H. Buniatian Institute of Biochemistry, National Academy of Sciences of the Republic of Armenia (NAS RA), Yerevan 0014, Armenia;
- Correspondence: (G.H.B.); (L.D.)
| | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry, RWTH University Hospital Aachen, 52074 Aachen, Germany; (R.W.); (E.B.-K.)
| | - Thomas S. Weiss
- Children’s University Hospital (KUNO), University of Regensburg, 93053 Regensburg, Germany;
| | - Ute Schwinghammer
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
| | - Martin Fritz
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
| | - Torgom Seferyan
- H. Buniatian Institute of Biochemistry, National Academy of Sciences of the Republic of Armenia (NAS RA), Yerevan 0014, Armenia;
| | - Barbara Proksch
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
| | - Michael Glaser
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
| | - Ali Lourhmati
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
| | - Marine Buadze
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
| | - Erawan Borkham-Kamphorst
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry, RWTH University Hospital Aachen, 52074 Aachen, Germany; (R.W.); (E.B.-K.)
| | - Frank Gaunitz
- Department of Neurosurgery, University Hospital of Leipzig, 04103 Leipzig, Germany;
| | - Christoph H. Gleiter
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
| | - Thomas Lang
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, 70376 Stuttgart, Germany, and University of Tuebingen, 72076 Tuebingen, Germany; (T.L.); (E.S.); (R.T.)
| | - Elke Schaeffeler
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, 70376 Stuttgart, Germany, and University of Tuebingen, 72076 Tuebingen, Germany; (T.L.); (E.S.); (R.T.)
| | - Roman Tremmel
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, 70376 Stuttgart, Germany, and University of Tuebingen, 72076 Tuebingen, Germany; (T.L.); (E.S.); (R.T.)
| | - Holger Cynis
- Department of Drug Design and Target Validation, Fraunhofer Institute for Cell Therapy and Immunology, 06120 Halle, Germany;
| | - William H. Frey
- Center for Memory & Aging, HealthPartners Neuroscience Center, St. Paul, MN 55130, USA;
| | - Rolf Gebhardt
- Rudolf-Schönheimer Institute of Biochemistry, Faculty of Medicine, University of Leipzig, 04103 Leipzig, Germany;
| | - Scott L. Friedman
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6574, USA;
| | - Wolfgang Mikulits
- Department of Medicine I, Institute of Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna 1090, Austria;
| | - Matthias Schwab
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
- Dr. Margarete Fischer-Bosch Institute of Clinical Pharmacology, 70376 Stuttgart, Germany, and University of Tuebingen, 72076 Tuebingen, Germany; (T.L.); (E.S.); (R.T.)
- Department of Pharmacy and Biochemistry, University of Tuebingen, 72076 Tuebingen, Germany
- Departments of Biochemistry and Clinical Pharmacology, and Neuroscience Laboratory, Yerevan State Medical University, Yerevan 0025, Armenia
| | - Lusine Danielyan
- Department of Clinical Pharmacology, University Hospital of Tübingen, 72076 Tübingen, Germany; (U.S.); (M.F.); (B.P.); (M.G.); (A.L.); (M.B.); (C.H.G.); (M.S.)
- Departments of Biochemistry and Clinical Pharmacology, and Neuroscience Laboratory, Yerevan State Medical University, Yerevan 0025, Armenia
- Correspondence: (G.H.B.); (L.D.)
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30
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Jeong J, Lee J, Lim J, Cho S, An S, Lee M, Yoon N, Seo M, Lim S, Park S. Soluble RAGE attenuates AngII-induced endothelial hyperpermeability by disrupting HMGB1-mediated crosstalk between AT1R and RAGE. Exp Mol Med 2019; 51:1-15. [PMID: 31562296 PMCID: PMC6802637 DOI: 10.1038/s12276-019-0312-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 07/03/2019] [Accepted: 07/08/2019] [Indexed: 12/15/2022] Open
Abstract
Increased endothelial permeability, one of the earliest signs of endothelial dysfunction, is associated with the development of cardiovascular diseases such as hypertension and atherosclerosis. Recent studies suggest that the receptor for advanced glycation end products (RAGE) regulates endothelial permeability in inflammation. In the present study, we investigated the regulatory mechanism of RAGE in endothelial hyperpermeability induced by angiotensin II (Ang II), a well-known inflammatory mediator, and the potential therapeutic effect of soluble RAGE (sRAGE), a decoy receptor for RAGE ligands. For in vitro studies, Ang II-treated human umbilical vein endothelial cells (HUVECs) were treated with siRNA specific to either RAGE or sRAGE to disrupt RAGE-mediated signaling. Endothelial permeability was estimated using FITC-labeled dextran 40 and a resistance meter. To evaluate intercellular junction disruption, VE-cadherin expression was examined by western blotting and immunocytochemistry. Ang II increased the expression of the Ang II type 1 receptor (AT1R) and RAGE, and this increase was inhibited by sRAGE. sRAGE prevented Ang II-induced VE-cadherin disruption in HUVECs. For in vivo studies, Ang II-infused, atherosclerosis-prone apolipoprotein E knockout mice were utilized. Endothelial permeability was assessed by Evans blue staining of the aorta. Ang II increased endothelial barrier permeability, and this effect was significantly attenuated by sRAGE. Our data demonstrate that blockade of RAGE signaling using sRAGE attenuates Ang II-induced endothelial barrier permeability in vitro and in vivo and indicate the therapeutic potential of sRAGE in controlling vascular permeability under pathological conditions. A decoy version of a protein involved in regulating the leakiness of blood vessels can help ameliorate vascular problems that lead to high blood pressure and plaque deposition in the arteries. A team from South Korea led by Soyeon Lim from Catholic Kwandong University in Gangneung and Sungha Park from Yonsei University College of Medicine in Seoul induced hyper-permeability in both human vein cells and atherosclerosis-prone mice. They then blocked signaling through a membrane-bound protein called RAGE, a receptor that helps boost vessel permeability by using a soluble version of this same protein. In both the human cells and mouse models, this free-floating RAGE bound and blocked the receptor’s normal activator, leading to suppressed permeability and improved function of the blood vessel lining. This decoy strategy holds therapeutic promise for people prone to cardiovascular disease.
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Affiliation(s)
- Jisu Jeong
- Graduate Program in Science for Aging, Yonsei University, Seoul, 120-752, Korea.,Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea
| | - Jiye Lee
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea
| | - Juyeon Lim
- Graduate Program in Science for Aging, Yonsei University, Seoul, 120-752, Korea.,Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea
| | - Soyoung Cho
- Graduate Program in Science for Aging, Yonsei University, Seoul, 120-752, Korea.,Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea
| | - Soyoung An
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea
| | - Myungeun Lee
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea
| | - Nara Yoon
- Department of Pathology, The Catholic University of Korea, Incheon St. Mary's Hospital, Incheon, Korea
| | - Miran Seo
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea
| | - Soyeon Lim
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung, Gangwon-do, 25601, Korea.
| | - Sungha Park
- Integrative Research Center for Cerebrovascular and Cardiovascular Diseases, Yonsei University College of Medicine, Seoul, 120-752, Korea. .,Cardiovascular Research Institute, Division of Cardiology, Yonsei University College of Medicine, Seoul, 120-752, Korea.
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31
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Yoshikawa T, Mori Y, Feng H, Phan KQ, Kishimura A, Kang JH, Mori T, Katayama Y. Rapid and continuous accumulation of nitric oxide-releasing liposomes in tumors to augment the enhanced permeability and retention (EPR) effect. Int J Pharm 2019; 565:481-487. [PMID: 31102802 DOI: 10.1016/j.ijpharm.2019.05.043] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/29/2019] [Accepted: 05/14/2019] [Indexed: 12/19/2022]
Abstract
The modulation of blood flow to tumors is a prominent strategy for improving the tumor accumulation of nanomedicines, resulting from the enhanced permeability and retention (EPR) effect. We previously reported a promising EPR enhancer-a nitric oxide (NO) donor-containing liposome (NO-LP)-which showed enhanced accumulation in tumor tissue. Herein, we study NO-LP in greater detail to clarify its practical use as an EPR enhancer. NO-LP was found to have advantages as a NO donor, including the ability to maintain NO donation over long periods of time, and a constant rate of NO-release irrespective of the environmental pH. NO-LP showed rapid accumulation in tumor tissue after injection (1 h), and then accumulation was continuously enhanced until 48 h. Enhanced NO-LP accumulation was observed specifically in tumor, while the accumulation in other organs remained relatively unchanged. The results obtained show the promising features of NO-LP as an EPR enhancer.
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Affiliation(s)
- Takuma Yoshikawa
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan
| | - Yukina Mori
- Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan
| | - Haitao Feng
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan
| | - Khanh Quoc Phan
- Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan
| | - Akihiro Kishimura
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan; Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan; International Research Center for Molecular Systems, Kyushu University, Fukuoka, Japan
| | - Jeong-Hun Kang
- Division of Biopharmaceutics and Pharmacokinetics, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - Takeshi Mori
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan; Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan.
| | - Yoshiki Katayama
- Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Fukuoka, Japan; Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan; International Research Center for Molecular Systems, Kyushu University, Fukuoka, Japan; Center for Advanced Medical Innovation, Kyushu University, Fukuoka, Japan; Department of Biomedical Engineering, Chung Yuan Christian University, Taoyuan, Taiwan.
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Alimoradi H, Barzegar-Fallah A, Sammut IA, Greish K, Giles GI. Encapsulation of tDodSNO generates a photoactivated nitric oxide releasing nanoparticle for localized control of vasodilation and vascular hyperpermeability. Free Radic Biol Med 2019; 130:297-305. [PMID: 30367997 DOI: 10.1016/j.freeradbiomed.2018.10.433] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/07/2018] [Accepted: 10/18/2018] [Indexed: 11/25/2022]
Abstract
We report the synthesis and characterization of a photoactive nitric oxide (NO) releasing nanoparticle (NP) by encapsulation of the NO donor tert-dodecane S-nitrosothiol (tDodSNO) into a co-polymer of styrene and maleic anhydride (SMA) to afford SMA-tDodSNO. Encapsulation did not affect tDodSNO's stability or NO release profile, but imparted water solubility and protection from degradation reactions with glutathione. Under photoactivation the NP acted as a potent NO donor, with photoactivation acting as a switch to induce localized vasodilation in aortic rings (EC50* 660 nM at 2700 W/m2) and cause vascular hyperpermeability in mesenteric beds (8-fold increase in dye uptake at 1 µM SMA-tDodSNO with 460 W/m2 photoactivation). The NP was markedly superior as a photoactive NO donor in comparison to the S-nitrosothiols GSNO and SNAP, which are commonly used in experimental studies, as well as sodium nitroprusside, a clinically used vasodilator. Future development of this NP may find wide ranging therapeutic applications for treating cardiovascular disease and other disorders related to NO signaling, as well as enhancing macromolecular drug delivery to target organs through selective hyperpermeability. Supporting information describing the biophysical characterization of SMA-tDodSNO is supplied in an accompanying Data in Brief article (Alimoradi et al., doi: 10.1016/j.dib.2018.10.149).
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Affiliation(s)
- Houman Alimoradi
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Anita Barzegar-Fallah
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Ivan A Sammut
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Khaled Greish
- College of Medicine and Medical Sciences, Department of Molecular Medicine, Nanomedicine Unit, Princess Al-Jawhara Center for Molecular Medicine and Inherited Disorders, Arabian Gulf University, Manama, Bahrain
| | - Gregory I Giles
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand.
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Affiliation(s)
- Walter N Durán
- From the Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ (W.N.D.); and Instituto de Inmunología, Escuela de Medicina, Universidad Austral de Chile, Valdivia, Chile (F.A.S.).
| | - Fabiola A Sánchez
- From the Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ (W.N.D.); and Instituto de Inmunología, Escuela de Medicina, Universidad Austral de Chile, Valdivia, Chile (F.A.S.)
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Chen Z, D S Oliveira S, Zimnicka AM, Jiang Y, Sharma T, Chen S, Lazarov O, Bonini MG, Haus JM, Minshall RD. Reciprocal regulation of eNOS and caveolin-1 functions in endothelial cells. Mol Biol Cell 2018; 29:1190-1202. [PMID: 29563255 PMCID: PMC5935069 DOI: 10.1091/mbc.e17-01-0049] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
We hypothesized that the maintenance of vascular homeostasis is critically dependent on the expression and reciprocal regulation of caveolin-1 (Cav-1) and endothelial nitric oxide synthase (eNOS) in endothelial cells (ECs). Skeletal muscle biopsies from subjects with type 2 diabetes showed 50% less Cav-1 and eNOS than those from lean healthy controls. The Cav-1:eNOS expression ratio was 200:1 in primary culture human ECs. Cav-1 small interfering RNA (siRNA) reduced eNOS protein and gene expression in association with a twofold increase in eNOS phosphorylation and nitrate production per molecule of eNOS, which was reversed in cells overexpressing Adv-Cav-1-GFP. Upon addition of the Ca2+ ionophore A23187 to activate eNOS, we observed eNOS Ser1177 phosphorylation, its translocation to β-catenin-positive cell–cell junctions, and increased colocalization of eNOS and Cav-1 within 5 min. We also observed Cav-1 S-nitrosylation and destabilization of Cav-1 oligomers in cells treated with A23187 as well as insulin or albumin, and this could be blocked by L-NAME, PP2, or eNOS siRNA. Finally, caveola-mediated endocytosis of albumin or insulin was reduced by Cav-1 or eNOS siRNA, and the effect of Cav-1 siRNA was rescued by Adv-Cav-1-GFP. Thus, Cav-1 stabilizes eNOS expression and regulates its activity, whereas eNOS-derived NO promotes caveola-mediated endocytosis.
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Affiliation(s)
- Zhenlong Chen
- Departments of aAnesthesiology, University of Illinois at Chicago, Chicago, IL 60612
| | - Suellen D S Oliveira
- Departments of aAnesthesiology, University of Illinois at Chicago, Chicago, IL 60612
| | | | - Ying Jiang
- Departments of aAnesthesiology, University of Illinois at Chicago, Chicago, IL 60612
| | - Tiffany Sharma
- Pharmacology, University of Illinois at Chicago, Chicago, IL 60612
| | - Stone Chen
- Whitney M. Young Magnet High School, Chicago, IL 60607
| | - Orly Lazarov
- Anatomy and Cell Biology, University of Illinois at Chicago, Chicago, IL 60612
| | | | - Jacob M Haus
- Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL 60612
| | - Richard D Minshall
- Departments of aAnesthesiology, University of Illinois at Chicago, Chicago, IL 60612.,Pharmacology, University of Illinois at Chicago, Chicago, IL 60612
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Meegan JE, Yang X, Coleman DC, Jannaway M, Yuan SY. Neutrophil-mediated vascular barrier injury: Role of neutrophil extracellular traps. Microcirculation 2018; 24. [PMID: 28120468 DOI: 10.1111/micc.12352] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 01/12/2017] [Indexed: 12/19/2022]
Abstract
Neutrophils play an essential role in host defense against infection or injury. While neutrophil activation is necessary for pathogen clearance and tissue repair, a hyperactive response can lead to tissue damage and microcirculatory disorders, a process involving complex neutrophil-endothelium cross talk. This review highlights recent research findings about neutrophil-mediated signaling and structural changes, including those induced by neutrophil extracellular traps, which ultimately lead to vascular barrier injury.
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Affiliation(s)
- Jamie E Meegan
- Department of Molecular Pharmacology and Physiology, University of South Florida College of Medicine, Tampa, FL, USA
| | - Xiaoyuan Yang
- Department of Molecular Pharmacology and Physiology, University of South Florida College of Medicine, Tampa, FL, USA
| | - Danielle C Coleman
- Department of Molecular Pharmacology and Physiology, University of South Florida College of Medicine, Tampa, FL, USA
| | - Melanie Jannaway
- Department of Molecular Pharmacology and Physiology, University of South Florida College of Medicine, Tampa, FL, USA
| | - Sarah Y Yuan
- Department of Molecular Pharmacology and Physiology, University of South Florida College of Medicine, Tampa, FL, USA
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Mao J, Hu X, Pang P, Zhou B, Zhang Y, Li D, Shan H. Establishment of a CRISPR/Cas9-Mediated Cysltr1
Knockout Mouse Model and iTRAQ-Based Proteomic Analysis. Proteomics Clin Appl 2018; 12:e1700087. [PMID: 29377627 DOI: 10.1002/prca.201700087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 01/07/2018] [Indexed: 11/05/2022]
Affiliation(s)
- Junjie Mao
- Department of Interventional Medicine The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Department of Interventional Medicine The Third Affiliated Hospital; Sun Yat-sen University; Guangzhou P.R. China
- Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Institute of Interventional Radiology; Sun Yat-sen University; Zhuhai P.R. China
| | - Xiaojun Hu
- Department of Interventional Medicine The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Institute of Interventional Radiology; Sun Yat-sen University; Zhuhai P.R. China
| | - Pengfei Pang
- Department of Interventional Medicine The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Institute of Interventional Radiology; Sun Yat-sen University; Zhuhai P.R. China
| | - Bin Zhou
- Department of Interventional Medicine The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Institute of Interventional Radiology; Sun Yat-sen University; Zhuhai P.R. China
| | - Yaqin Zhang
- Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
| | - Dan Li
- Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Institute of Interventional Radiology; Sun Yat-sen University; Zhuhai P.R. China
| | - Hong Shan
- Department of Interventional Medicine The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital; Sun Yat-sen University; Zhuhai P.R. China
- Institute of Interventional Radiology; Sun Yat-sen University; Zhuhai P.R. China
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Zamorano P, Marín N, Córdova F, Aguilar A, Meininger C, Boric MP, Golenhofen N, Contreras JE, Sarmiento J, Durán WN, Sánchez FA. S-nitrosylation of VASP at cysteine 64 mediates the inflammation-stimulated increase in microvascular permeability. Am J Physiol Heart Circ Physiol 2017; 313:H66-H71. [PMID: 28526707 DOI: 10.1152/ajpheart.00135.2017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 04/24/2017] [Accepted: 04/25/2017] [Indexed: 01/08/2023]
Abstract
We tested the hypothesis that platelet-activating factor (PAF) induces S-nitrosylation of vasodilator-stimulated phosphoprotein (VASP) as a mechanism to reduce microvascular endothelial barrier integrity and stimulate hyperpermeability. PAF elevated S-nitrosylation of VASP above baseline levels in different endothelial cells and caused hyperpermeability. To ascertain the importance of endothelial nitric oxide synthase (eNOS) subcellular location in this process, we used ECV-304 cells transfected with cytosolic eNOS (GFPeNOSG2A) and plasma membrane eNOS (GFPeNOSCAAX). PAF induced S-nitrosylation of VASP in cells with cytosolic eNOS but not in cells wherein eNOS is anchored to the cell membrane. Reconstitution of VASP knockout myocardial endothelial cells with cysteine mutants of VASP demonstrated that S-nitrosylation of cysteine 64 is associated with PAF-induced hyperpermeability. We propose that regulation of VASP contributes to endothelial cell barrier integrity and to the onset of hyperpermeability. S-nitrosylation of VASP inhibits its function in barrier integrity and leads to endothelial monolayer hyperpermeability in response to PAF, a representative proinflammatory agonist.NEW & NOTEWORTHY Here, we demonstrate that S-nitrosylation of vasodilator-stimulated phosphoprotein (VASP) on C64 is a mechanism for the onset of platelet-activating factor-induced hyperpermeability. Our results reveal a dual role of VASP in endothelial permeability. In addition to its well-documented function in barrier integrity, we show that S-nitrosylation of VASP contributes to the onset of endothelial permeability.
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Affiliation(s)
- Patricia Zamorano
- Instituto de Inmunología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Natalie Marín
- Instituto de Inmunología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Francisco Córdova
- Instituto de Inmunología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Alejandra Aguilar
- Instituto de Inmunología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Cynthia Meininger
- Department of Medical Physiology, Texas A&M Health Science Center, Temple, Texas
| | - Mauricio P Boric
- Departamento de Fisiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Nikola Golenhofen
- Institute of Anatomy and Cell Biology, University of Ulm, Ulm, Germany; and
| | - Jorge E Contreras
- Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, New Jersey
| | - José Sarmiento
- Instituto de Fisiología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Walter N Durán
- Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, New Jersey
| | - Fabiola A Sánchez
- Instituto de Inmunología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile;
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Abstract
Remarkable progress in understanding the pathophysiology and underlying mechanisms of hereditary angioedema has led to the development of effective treatment for this disorder. Progress in three separate areas has catalyzed our understanding of hereditary angioedema. The first is the recognition that HAE type I and type II result from a deficiency in the plasma level of functional C1 inhibitor. This observation has led to a detailed understanding of the SERPING1 mutations responsible for this deficiency as well as the molecular regulation of C1 inhibitor expression and function. The second is that the fundamental cause of swelling is enhanced contact system activation leading to increased generation of bradykinin. Substantial progress has been made in defining the parameters regulating bradykinin generation and catabolism as well as the receptors that transduce the biologic effects of kinins. The third is the understanding that tissue swelling in hereditary angioedema primarily involves the function of endothelial cell adherens junctions. This knowledge is driving increased attention to the role of endothelial biology in determining disease activity in hereditary angioedema. While there has been considerable progress made, large gaps still remain in our knowledge. Important areas that remain poorly understood include the factors that lead to very low plasma functional C1 inhibitor levels, the triggers of contact system activation in hereditary angioedema, and the role of the bradykinin B1 receptor. The phenotypic variability of hereditary angioedema has been extensively documented but never understood. The mechanisms discussed in this chapter likely contribute to this variability. Future progress in understanding these mechanisms should provide new means to improve the diagnosis and treatment of hereditary angioedema.
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39
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Wang JM, Chen J. Damage of vascular endothelial barrier induced by explosive blast and its clinical significance. Chin J Traumatol 2016; 19:125-8. [PMID: 27321288 PMCID: PMC4908223 DOI: 10.1016/j.cjtee.2016.03.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 02/24/2016] [Accepted: 03/01/2016] [Indexed: 02/04/2023] Open
Abstract
In recent years, injuries induced by explosive blast have got more and more attention owing to weapon development and frequent terrorist activities. Tear, bleeding and edema of tissues and organs are the main manifestations of blast shock wave damage. Vascular endothelial barrier is the main defense of tissues and organs' integrity. This article aims to discuss possible mechanisms of endothelial barrier damage induced by explosive blast and main manifestations of blood brain barrier, bloodeair barrier, and intestinal vascular barrier impairments. In addition, the main regulatory factors of vascular permeability are also summarized so as to provide theoretical basis for prevention and cure of vascular endothelial barrier damage resulting from explosive blast.
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Affiliation(s)
- Jian-Min Wang
- State Key Laboratory of Trauma, Burn and Combined Injury, Research Institute of Surgery/Daping Hospital, Third Military Medical University, Chongqing 400042, China
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40
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Ersan I, Tufan HA, Arikan S, Kara S, Gencer B, Hondur AM. Effect of Reduced Meal Frequency during Ramadan Fasting on Retinal and Choroidal Thickness. Semin Ophthalmol 2016; 32:418-421. [DOI: 10.3109/08820538.2015.1118132] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Ismail Ersan
- Department of Ophthalmology, Canakkale Onsekiz Mart University School of Medicine, Canakkale, Turkey
| | - Hasan Ali Tufan
- Department of Ophthalmology, Canakkale Onsekiz Mart University School of Medicine, Canakkale, Turkey
| | - Sedat Arikan
- Department of Ophthalmology, Canakkale Onsekiz Mart University School of Medicine, Canakkale, Turkey
| | - Selcuk Kara
- Department of Ophthalmology, Canakkale Onsekiz Mart University School of Medicine, Canakkale, Turkey
| | - Baran Gencer
- Department of Ophthalmology, Canakkale Onsekiz Mart University School of Medicine, Canakkale, Turkey
| | - Ahmet Murat Hondur
- Department of Ophthalmology, Gazi University School of Medicine, Ankara, Turkey
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41
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Guequén A, Carrasco R, Zamorano P, Rebolledo L, Burboa P, Sarmiento J, Boric MP, Korayem A, Durán WN, Sánchez FA. S-nitrosylation regulates VE-cadherin phosphorylation and internalization in microvascular permeability. Am J Physiol Heart Circ Physiol 2016; 310:H1039-44. [PMID: 26921435 DOI: 10.1152/ajpheart.00063.2016] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 02/17/2016] [Indexed: 11/22/2022]
Abstract
The adherens junction complex, composed mainly of vascular endothelial (VE)-cadherin, β-catenin, p120, and γ-catenin, is the main element of the endothelial barrier in postcapillary venules.S-nitrosylation of β-catenin and p120 is an important step in proinflammatory agents-induced hyperpermeability. We investigated in vitro and in vivo whether or not VE-cadherin isS-nitrosylated using platelet-activating factor (PAF) as agonist. We report that PAF-stimulates S-nitrosylation of VE-cadherin, which disrupts its association with β-catenin. In addition, based on inhibition of nitric oxide production, our results strongly suggest that S-nitrosylation is required for VE-cadherin phosphorylation on tyrosine and for its internalization. Our results unveil an important mechanism to regulate phosphorylation of junctional proteins in association with S-nitrosylation.
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Affiliation(s)
- Anita Guequén
- Instituto de Inmunología, Universidad Austral de Chile, Valdivia, Chile
| | - Rodrigo Carrasco
- Instituto de Inmunología, Universidad Austral de Chile, Valdivia, Chile
| | - Patricia Zamorano
- Instituto de Inmunología, Universidad Austral de Chile, Valdivia, Chile
| | - Lorena Rebolledo
- Instituto de Inmunología, Universidad Austral de Chile, Valdivia, Chile
| | - Pia Burboa
- Instituto de Inmunología, Universidad Austral de Chile, Valdivia, Chile
| | - José Sarmiento
- Instituto de Fisiología, Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
| | - Mauricio P Boric
- Departamento de Fisiología, P. Universidad Católica de Chile, Santiago, Chile; and
| | - Adam Korayem
- Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, New Jersey
| | - Walter N Durán
- Department of Pharmacology, Physiology and Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, New Jersey
| | - Fabiola A Sánchez
- Instituto de Inmunología, Universidad Austral de Chile, Valdivia, Chile;
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42
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Panieri E, Santoro MM. ROS signaling and redox biology in endothelial cells. Cell Mol Life Sci 2015; 72:3281-303. [PMID: 25972278 PMCID: PMC11113497 DOI: 10.1007/s00018-015-1928-9] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 04/29/2015] [Accepted: 05/07/2015] [Indexed: 12/14/2022]
Abstract
The purpose of this review is to provide an overview of redox mechanisms, sources and antioxidants that control signaling events in ECs. In particular, we describe which molecules are involved in redox signaling and how they influence the relationship between ECs and other vascular component with regard to angiogenesis. Recent and new tools to investigate physiological ROS signaling will be also discussed. Such findings are providing an overview of the ROS biology relevant for endothelial cells in the context of normal and pathological angiogenic conditions.
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Affiliation(s)
- Emiliano Panieri
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Turin, Italy
| | - Massimo M. Santoro
- Laboratory of Endothelial Molecular Biology, Vesalius Research Center, VIB, 3000 Leuven, Belgium
- Laboratory of Endothelial Molecular Biology, Department of Oncology, University of Leuven, 3000 Leuven, Belgium
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43
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Sutton JT, Raymond JL, Verleye MC, Pyne-Geithman GJ, Holland CK. Pulsed ultrasound enhances the delivery of nitric oxide from bubble liposomes to ex vivo porcine carotid tissue. Int J Nanomedicine 2014; 9:4671-83. [PMID: 25336947 PMCID: PMC4200074 DOI: 10.2147/ijn.s63850] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Ultrasound-mediated drug delivery is a novel technique for enhancing the penetration of drugs into diseased tissue beds noninvasively. By encapsulating drugs into microsized and nanosized liposomes, the therapeutic can be shielded from degradation within the vasculature until delivery to a target site by ultrasound exposure. Traditional in vitro or ex vivo techniques to quantify this delivery profile include optical approaches, cell culture, and electrophysiology. Here, we demonstrate an approach to characterize the degree of nitric oxide (NO) delivery to porcine carotid tissue by direct measurement of ex vivo vascular tone. An ex vivo perfusion model was adapted to assess ultrasound-mediated delivery of NO. This potent vasodilator was coencapsulated with inert octafluoropropane gas to produce acoustically active bubble liposomes. Porcine carotid arteries were excised post mortem and mounted in a physiologic buffer solution. Vascular tone was assessed in real time by coupling the artery to an isometric force transducer. NO-loaded bubble liposomes were infused into the lumen of the artery, which was exposed to 1 MHz pulsed ultrasound at a peak-to-peak acoustic pressure amplitude of 0.34 MPa. Acoustic cavitation emissions were monitored passively. Changes in vascular tone were measured and compared with control and sham NO bubble liposome exposures. Our results demonstrate that ultrasound-triggered NO release from bubble liposomes induces potent vasorelaxation within porcine carotid arteries (maximal relaxation 31%±8%), which was significantly stronger than vasorelaxation due to NO release from bubble liposomes in the absence of ultrasound (maximal relaxation 7%±3%), and comparable with relaxation due to 12 μM sodium nitroprusside infusions (maximal relaxation 32%±3%). This approach is a valuable mechanistic tool for assessing the extent of drug release and delivery to the vasculature caused by ultrasound.
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Affiliation(s)
- J T Sutton
- University of Cincinnati, Biomedical Engineering Program, Cincinnati, OH, USA
| | - J L Raymond
- University of Cincinnati, Biomedical Engineering Program, Cincinnati, OH, USA
| | - M C Verleye
- University of Notre Dame Department of Chemical Engineering, Notre Dame, IN, USA
| | - G J Pyne-Geithman
- University of Cincinnati, College of Medicine, Department of Neurosurgery and the University of Cincinnati Neuroscience Institute, and Mayfield Clinic, Cincinnati, OH, USA
| | - C K Holland
- University of Cincinnati, College of Medicine, Internal Medicine, Division of Cardiovascular Diseases, Cincinnati, OH, USA
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44
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Wang F, Guo X, Shen X, Kream RM, Mantione KJ, Stefano GB. Vascular dysfunction associated with type 2 diabetes and Alzheimer's disease: a potential etiological linkage. Med Sci Monit Basic Res 2014; 20:118-29. [PMID: 25082505 PMCID: PMC4138067 DOI: 10.12659/msmbr.891278] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The endothelium performs a crucial role in maintaining vascular integrity leading to whole organ metabolic homeostasis. Endothelial dysfunction represents a key etiological factor leading to moderate to severe vasculopathies observed in both Type 2 diabetic and Alzheimer’s Disease (AD) patients. Accordingly, evidence-based epidemiological factors support a compelling hypothesis stating that metabolic rundown encountered in Type 2 diabetes engenders severe cerebral vascular insufficiencies that are causally linked to long term neural degenerative processes in AD. Of mechanistic importance, Type 2 diabetes engenders an immunologically mediated chronic pro-inflammatory state involving interactive deleterious effects of leukocyte-derived cytokines and endothelial-derived chemotactic agents leading to vascular and whole organ dysfunction. The long term negative consequences of vascular pro-inflammatory processes on the integrity of CNS basal forebrain neuronal populations mediating complex cognitive functions establish a striking temporal comorbidity of AD with Type 2 diabetes. Extensive biomedical evidence supports the pivotal multi-functional role of constitutive nitric oxide (NO) production and release as a critical vasodilatory, anti-inflammatory, and anti-oxidant, mechanism within the vascular endothelium. Within this context, we currently review the functional contributions of dysregulated endothelial NO expression to the etiology and persistence of Type 2 diabetes-related and co morbid AD-related vasculopathies. Additionally, we provide up-to-date perspectives on critical areas of AD research with special reference to common NO-related etiological factors linking Type 2 diabetes to the pathogenesis of AD.
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Affiliation(s)
- Fuzhou Wang
- Department of Anesthesiology and Critical Care Medicine, Nanjing Maternit and Child Health Care Hospital, Nanjing Medical University, Nanjing, China (mainland)
| | - Xirong Guo
- Institutes of Pediatrics, Nanjing Maternity and Child Health Care Hospital, Nanjing Medical University, Nanjing, China (mainland)
| | - Xiaofeng Shen
- Department of Anesthesiology and Critical Care Medicine, Nanjing Maternity and Child Health Care Hospital, Nanjing Medical University, Nanjing, China (mainland)
| | - Richard M Kream
- Neuroscience Research Institute, State University of New York - College at Old Westbury, Old Westbury, USA
| | - Kirk J Mantione
- Neuroscience Research Institute, State University of New York - College at Old Westbury, Old Westbury, USA
| | - George B Stefano
- Neuroscience Research Institute, State University of New York - College at Old Westbury, Old Westbury, USA
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45
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Ding R, Chen Y, Yang S, Deng X, Fu Z, Feng L, Cai Y, Du M, Zhou Y, Tang Y. Blood-brain barrier disruption induced by hemoglobin in vivo: Involvement of up-regulation of nitric oxide synthase and peroxynitrite formation. Brain Res 2014; 1571:25-38. [PMID: 24814387 DOI: 10.1016/j.brainres.2014.04.042] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2014] [Revised: 04/23/2014] [Accepted: 04/30/2014] [Indexed: 02/07/2023]
Abstract
Accumulating evidence has demonstrated that up-regulation of nitric oxide synthase (NOS) and subsequent peroxynitrite (ONOO(-)) formation exert a devastating effect on the damage of BBB in multiple diseases. However, considerably less attention has been focused on the role of NOS/ONOO(-) in BBB disruption after intracerebral hemorrhage (ICH). Using an experimental stroke model by injecting hemoglobin (Hb) into the caudate nucleus of male Sprague Dawley rats, we explored the role of NOS/ONOO(-) in BBB disruption after ICH. Brain edema content, behavioral changes, alterations of TJ proteins (claudin-5 and ZO-1), expression of neuronal NOS (nNOS), inducible NOS (iNOS) and endothelial NOS (eNOS), formation of 3-nitrotyrosine (3-NT), as well as NO production were investigated. Hb in the rat brain led to a significant brain edema production and neurological deficits. Overexpressed NOS was concomitant with large quantities of 3-NT formation. Moreover, sites of enhanced nNOS, iNOS, eNOS and 3-NT immunoreactivity were colocalized with diminished or discontinuous ZO-1 and/or claudin-5 staining as evidenced by Western blot and immunofluorescence, indicating the involvement of NOS and ONOO(-) in the BBB disruption. Meaningfully, levels of 3-NT in serum, which had a similar tendency with that of in brain tissues (r=0.934, P<0.001), had a marked correlation with brain edema content (r=0.782, P<0.001) and neurological deficits (r=0.851, P<0.001). We concluded that ONOO(-) formation by the upregulation of NOS may play a central role in promoting the BBB damage following ICH. Moreover, ONOO(-) may be a promising biomarker for the judgment or prediction of brain injury and clinical prognosis after ICH.
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Affiliation(s)
- Rui Ding
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China.
| | - Yizhao Chen
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China.
| | - Shuo Yang
- Department of Neurosurgery,Gaoqing Campus of Central Hospital of Zibo, Gaoqing People׳s Hospital, Gaoqing, Zibo 256300, Shandong, China
| | - Xinqing Deng
- Department of Neurosurgery, 999 Brain Hospital, Jinan University, Guangzhou 510510, China
| | - Zhenghao Fu
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Liang Feng
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Yingqian Cai
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Mouxuan Du
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Yuxi Zhou
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Yanping Tang
- The National Key Clinic Specialty, The Neurosurgery Institute of Guangdong Province, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
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