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Safai Zadeh E, Huber KP, Görg C, Prosch H, Findeisen H. The Value of Contrast-Enhanced Ultrasound (CEUS) in the Evaluation of Central Lung Cancer with Obstructive Atelectasis. Diagnostics (Basel) 2024; 14:1051. [PMID: 38786349 PMCID: PMC11119496 DOI: 10.3390/diagnostics14101051] [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: 03/24/2024] [Revised: 05/03/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Purpose: To assess the diagnostic performance of contrast-enhanced ultrasound (CEUS) alongside contrast-enhanced computed tomography (CECT) in evaluating central lung cancer (CLC). Materials and Methods: From 2006 to 2022, 54 patients with CLC and obstructive atelectasis (OAT) underwent standardized examinations using CEUS in addition to CECT. The ability to differentiate CLC from atelectatic tissue in CECT and CEUS was categorized as distinguishable or indistinguishable. In CEUS, in distinguishable cases, the order of enhancement (time to enhancement) (OE; categorized as either an early pulmonary arterial [PA] pattern or a delayed bronchial arterial [BA] pattern of enhancement), the extent of enhancement (EE; marked or reduced), the homogeneity of enhancement (HE; homogeneous or inhomogeneous), and the decrease in enhancement (DE; rapid washout [<120 s] or late washout [≥120 s]) were evaluated. Results: The additional use of CEUS improved the diagnostic capability of CECT from 75.9% to 92.6% in differentiating a CLC from atelectatic tissue. The majority of CLC cases exhibited a BA pattern of enhancement (89.6%), an isoechoic reduced enhancement (91.7%), and a homogeneous enhancement (91.7%). Rapid DE was observed in 79.2% of cases. Conclusions: In cases of suspected CLC with obstructive atelectasis, the application of CEUS can be helpful in differentiating tumor from atelectatic tissue and in evaluating CLC.
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Affiliation(s)
- Ehsan Safai Zadeh
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria;
- Interdisciplinary Center of Ultrasound Diagnostics, Gastroenterology, Endocrinology, Metabolism and Clinical Infectiology, University Hospital Giessen and Marburg, Philipp University of Marburg, Baldingerstraße, 35037 Marburg, Germany
| | - Katharina Paulina Huber
- Department of General Internal Medicine and Psychosomatics, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Christian Görg
- Interdisciplinary Center of Ultrasound Diagnostics, Gastroenterology, Endocrinology, Metabolism and Clinical Infectiology, University Hospital Giessen and Marburg, Philipp University of Marburg, Baldingerstraße, 35037 Marburg, Germany
| | - Helmut Prosch
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna General Hospital, 1090 Vienna, Austria;
| | - Hajo Findeisen
- Department for Internal Medicine, Red Cross Hospital Bremen, 28199 Bremen, Germany
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2
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Bandyopadhyay G, Jehrio MG, Baker C, Bhattacharya S, Misra RS, Huyck HL, Chu C, Myers JR, Ashton J, Polter S, Cochran M, Bushnell T, Dutra J, Katzman PJ, Deutsch GH, Mariani TJ, Pryhuber GS. Bulk RNA sequencing of human pediatric lung cell populations reveals unique transcriptomic signature associated with postnatal pulmonary development. Am J Physiol Lung Cell Mol Physiol 2024; 326:L604-L617. [PMID: 38442187 DOI: 10.1152/ajplung.00385.2023] [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: 12/07/2023] [Revised: 02/19/2024] [Accepted: 02/27/2024] [Indexed: 03/07/2024] Open
Abstract
Postnatal lung development results in an increasingly functional organ prepared for gas exchange and pathogenic challenges. It is achieved through cellular differentiation and migration. Changes in the tissue architecture during this development process are well-documented and increasing cellular diversity associated with it are reported in recent years. Despite recent progress, transcriptomic and molecular pathways associated with human postnatal lung development are yet to be fully understood. In this study, we investigated gene expression patterns associated with healthy pediatric lung development in four major enriched cell populations (epithelial, endothelial, and nonendothelial mesenchymal cells, along with lung leukocytes) from 1-day-old to 8-yr-old organ donors with no known lung disease. For analysis, we considered the donors in four age groups [less than 30 days old neonates, 30 days to < 1 yr old infants, toddlers (1 to < 2 yr), and children 2 yr and older] and assessed differentially expressed genes (DEG). We found increasing age-associated transcriptional changes in all four major cell types in pediatric lung. Transition from neonate to infant stage showed highest number of DEG compared with the number of DEG found during infant to toddler- or toddler to older children-transitions. Profiles of differential gene expression and further pathway enrichment analyses indicate functional epithelial cell maturation and increased capability of antigen presentation and chemokine-mediated communication. Our study provides a comprehensive reference of gene expression patterns during healthy pediatric lung development that will be useful in identifying and understanding aberrant gene expression patterns associated with early life respiratory diseases.NEW & NOTEWORTHY This study presents postnatal transcriptomic changes in major cell populations in human lung, namely endothelial, epithelial, mesenchymal cells, and leukocytes. Although human postnatal lung development continues through early adulthood, our results demonstrate that greatest transcriptional changes occur in first few months of life during neonate to infant transition. These early transcriptional changes in lung parenchyma are particularly notable for functional maturation and activation of alveolar type II cell genes.
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Affiliation(s)
- Gautam Bandyopadhyay
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Matthew G Jehrio
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Cameron Baker
- UR Genomics Research Center, University of Rochester Medical Center, Rochester, New York, United States
| | - Soumyaroop Bhattacharya
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
- Program in Pediatric Molecular and Personalized Medicine, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Ravi S Misra
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Heidie L Huyck
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - ChinYi Chu
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
- Program in Pediatric Molecular and Personalized Medicine, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Jason R Myers
- UR Genomics Research Center, University of Rochester Medical Center, Rochester, New York, United States
| | - John Ashton
- UR Genomics Research Center, University of Rochester Medical Center, Rochester, New York, United States
| | - Steven Polter
- UR Flow Cytometry Core Facility, University of Rochester Medical Center, Rochester, New York, United States
| | - Matthew Cochran
- UR Flow Cytometry Core Facility, University of Rochester Medical Center, Rochester, New York, United States
| | - Timothy Bushnell
- UR Flow Cytometry Core Facility, University of Rochester Medical Center, Rochester, New York, United States
| | - Jennifer Dutra
- UR Clinical & Translational Science Institute Informatics, University of Rochester Medical Center, Rochester, New York, United States
| | - Philip J Katzman
- Department of Pathology, University of Rochester Medical Center, Rochester, New York, United States
| | - Gail H Deutsch
- Department of Pathology, Seattle Children's Hospital, Seattle, Washington, United States
| | - Thomas J Mariani
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
- Program in Pediatric Molecular and Personalized Medicine, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
| | - Gloria S Pryhuber
- Division of Neonatology, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, United States
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3
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Ackermann M, Werlein C, Plucinski E, Leypold S, Kühnel MP, Verleden SE, Khalil HA, Länger F, Welte T, Mentzer SJ, Jonigk DD. The role of vasculature and angiogenesis in respiratory diseases. Angiogenesis 2024:10.1007/s10456-024-09910-2. [PMID: 38580869 DOI: 10.1007/s10456-024-09910-2] [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: 12/20/2023] [Accepted: 02/11/2024] [Indexed: 04/07/2024]
Abstract
In European countries, nearly 10% of all hospital admissions are related to respiratory diseases, mainly chronic life-threatening diseases such as COPD, pulmonary hypertension, IPF or lung cancer. The contribution of blood vessels and angiogenesis to lung regeneration, remodeling and disease progression has been increasingly appreciated. The vascular supply of the lung shows the peculiarity of dual perfusion of the pulmonary circulation (vasa publica), which maintains a functional blood-gas barrier, and the bronchial circulation (vasa privata), which reveals a profiled capacity for angiogenesis (namely intussusceptive and sprouting angiogenesis) and alveolar-vascular remodeling by the recruitment of endothelial precursor cells. The aim of this review is to outline the importance of vascular remodeling and angiogenesis in a variety of non-neoplastic and neoplastic acute and chronic respiratory diseases such as lung infection, COPD, lung fibrosis, pulmonary hypertension and lung cancer.
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Affiliation(s)
- Maximilian Ackermann
- Institute of Pathology, University Clinics of RWTH University, Aachen, Germany.
- Institute of Pathology and Molecular Pathology, Helios University Clinic Wuppertal, University of Witten/Herdecke, Witten, Germany.
- Institute of Anatomy, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany.
| | | | - Edith Plucinski
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Sophie Leypold
- Institute of Pathology, University Clinics of RWTH University, Aachen, Germany
| | - Mark P Kühnel
- Institute of Pathology, University Clinics of RWTH University, Aachen, Germany
- Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover, Germany
| | - Stijn E Verleden
- Antwerp Surgical Training, Anatomy and Research Centre (ASTARC), University of Antwerp, Antwerp, Belgium
| | - Hassan A Khalil
- Division of Thoracic and Cardiac Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, USA
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Florian Länger
- Institute of Pathology, University Clinics of RWTH University, Aachen, Germany
| | - Tobias Welte
- Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover, Germany
- Department of Respiratory Medicine, Hannover Medical School, Hannover, Germany
| | - Steven J Mentzer
- Division of Thoracic and Cardiac Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, USA
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Danny D Jonigk
- Institute of Pathology, University Clinics of RWTH University, Aachen, Germany
- Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover, Germany
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Li B, Xuan H, Yin Y, Wu S, Du L. The N 6-methyladenosine modification in pathologic angiogenesis. Life Sci 2024; 339:122417. [PMID: 38244915 DOI: 10.1016/j.lfs.2024.122417] [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: 11/08/2023] [Revised: 01/03/2024] [Accepted: 01/07/2024] [Indexed: 01/22/2024]
Abstract
The vascular system is a vital circulatory network in the human body that plays a critical role in almost all physiological processes. The production of blood vessels in the body is a significant area of interest for researchers seeking to improve their understanding of vascular function and maintain normal vascular operation. However, an excessive or insufficient vascular regeneration process may lead to the development of various ailments such as cancer, eye diseases, and ischemic diseases. Recent preclinical and clinical studies have revealed new molecular targets and principles that may enhance the therapeutic effect of anti-angiogenic strategies. A thorough comprehension of the mechanism responsible for the abnormal vascular growth in disease processes can enable researchers to better target and effectively suppress or treat the disease. N6-methyladenosine (m6A), a common RNA methylation modification method, has emerged as a crucial regulator of various diseases by modulating vascular development. In this review, we will cover how m6A regulates various vascular-related diseases, such as cancer, ocular diseases, neurological diseases, ischemic diseases, emphasizing the mechanism of m6A methylation regulators on angiogenesis during pathological process.
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Affiliation(s)
- Bin Li
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Hanqin Xuan
- Department of Pathology, the First Affiliated Hospital of Soochow University, Jiangsu, China
| | - Yuye Yin
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Shusheng Wu
- Department of Neurology, Affiliated Hospital of Yangzhou University, Jiangsu, China.
| | - Longfei Du
- Department of Laboratory Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu, China.
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5
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Myronenko O, Foris V, Crnkovic S, Olschewski A, Rocha S, Nicolls MR, Olschewski H. Endotyping COPD: hypoxia-inducible factor-2 as a molecular "switch" between the vascular and airway phenotypes? Eur Respir Rev 2023; 32:220173. [PMID: 36631133 PMCID: PMC9879331 DOI: 10.1183/16000617.0173-2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 11/08/2022] [Indexed: 01/13/2023] Open
Abstract
COPD is a heterogeneous disease with multiple clinical phenotypes. COPD endotypes can be determined by different expressions of hypoxia-inducible factors (HIFs), which, in combination with individual susceptibility and environmental factors, may cause predominant airway or vascular changes in the lung. The pulmonary vascular phenotype is relatively rare among COPD patients and characterised by out-of-proportion pulmonary hypertension (PH) and low diffusing capacity of the lung for carbon monoxide, but only mild-to-moderate airway obstruction. Its histologic feature, severe remodelling of the small pulmonary arteries, can be mediated by HIF-2 overexpression in experimental PH models. HIF-2 is not only involved in the vascular remodelling but also in the parenchyma destruction. Endothelial cells from human emphysema lungs express reduced HIF-2α levels, and the deletion of pulmonary endothelial Hif-2α leads to emphysema in mice. This means that both upregulation and downregulation of HIF-2 have adverse effects and that HIF-2 may represent a molecular "switch" between the development of the vascular and airway phenotypes in COPD. The mechanisms of HIF-2 dysregulation in the lung are only partly understood. HIF-2 levels may be controlled by NAD(P)H oxidases via iron- and redox-dependent mechanisms. A better understanding of these mechanisms may lead to the development of new therapeutic targets.
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Affiliation(s)
- Oleh Myronenko
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Vasile Foris
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
| | - Slaven Crnkovic
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Division of Physiology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Andrea Olschewski
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, Graz, Austria
| | - Sonia Rocha
- Department of Molecular Physiology and Cell Signalling, Institute of Systems, Molecular, and Integrative Biology, University of Liverpool, Liverpool, UK
| | - Mark R Nicolls
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Horst Olschewski
- Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
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6
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Engelbrecht E, Kooistra T, Knipe RS. The Vasculature in Pulmonary Fibrosis. CURRENT TISSUE MICROENVIRONMENT REPORTS 2022; 3:83-97. [PMID: 36712832 PMCID: PMC9881604 DOI: 10.1007/s43152-022-00040-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/23/2022] [Indexed: 02/02/2023]
Abstract
Purpose of Review The current paradigm of idiopathic pulmonary fibrosis (IPF) pathogenesis involves recurrent injury to a sensitive alveolar epithelium followed by impaired repair responses marked by fibroblast activation and deposition of extracellular matrix. Multiple cell types are involved in this response with potential roles suggested by advances in single-cell RNA sequencing and lung developmental biology. Notably, recent work has better characterized the cell types present in the pulmonary endothelium and identified vascular changes in patients with IPF. Recent Findings Lung tissue from patients with IPF has been examined at single-cell resolution, revealing reductions in lung capillary cells and expansion of a population of vascular cells expressing markers associated with bronchial endothelium. In addition, pre-clinical models have demonstrated a fundamental role for aging and vascular permeability in the development of pulmonary fibrosis. Summary Mounting evidence suggests that the endothelium undergoes changes in the context of fibrosis, and these changes may contribute to the development and/or progression of pulmonary fibrosis. Additional studies will be needed to further define the functional role of these vascular changes.
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Affiliation(s)
| | - Tristan Kooistra
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Rachel S. Knipe
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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7
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Yuan M, Zhao M, Sun X, Hui Z. The mapping of mRNA alterations elucidates the etiology of radiation-induced pulmonary fibrosis. Front Genet 2022; 13:999127. [DOI: 10.3389/fgene.2022.999127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/29/2022] [Indexed: 11/13/2022] Open
Abstract
The etiology of radiation-induced pulmonary fibrosis is not clearly understood yet, and effective interventions are still lacking. This study aimed to identify genes responsive to irradiation and compare the genome expression between the normal lung tissues and irradiated ones, using a radiation-induced pulmonary fibrosis mouse model. We also aimed to map the mRNA alterations as a predictive model and a potential mode of intervention for radiation-induced pulmonary fibrosis. Thirty C57BL/6 mice were exposed to a single dose of 16 Gy or 20 Gy thoracic irradiation, to establish a mouse model of radiation-induced pulmonary fibrosis. Lung tissues were harvested at 3 and 6 months after irradiation, for histological identification. Global gene expression in lung tissues was assessed by RNA sequencing. Differentially expressed genes were identified and subjected to functional and pathway enrichment analysis. Immune cell infiltration was evaluated using the CIBERSORT software. Three months after irradiation, 317 mRNAs were upregulated and 254 mRNAs were downregulated significantly in the low-dose irradiation (16 Gy) group. In total, 203 mRNAs were upregulated and 149 were downregulated significantly in the high-dose irradiation (20 Gy) group. Six months after radiation, 651 mRNAs were upregulated and 131 were downregulated significantly in the low-dose irradiation group. A total of 106 mRNAs were upregulated and 4 downregulated significantly in the high-dose irradiation group. Several functions and pathways, including angiogenesis, epithelial cell proliferation, extracellular matrix, complement and coagulation cascades, cellular senescence, myeloid leukocyte activation, regulation of lymphocyte activation, mononuclear cell proliferation, immunoglobulin binding, and the TNF, NOD-like receptor, and HIF-1 signaling pathways were significantly enriched in the irradiation groups, based on the differentially expressed genes. Irradiation-responsive genes were identified. The differentially expressed genes were mainly associated with cellular metabolism, epithelial cell proliferation, cell injury, and immune cell activation and regulation.
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8
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Pulmonary Vascular Sequelae of Palliated Single Ventricle Circulation: Arteriovenous Malformations and Aortopulmonary Collaterals. J Cardiovasc Dev Dis 2022; 9:jcdd9090309. [PMID: 36135454 PMCID: PMC9501802 DOI: 10.3390/jcdd9090309] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Children and adults with single ventricle congenital heart disease (CHD) develop many sequelae during staged surgical palliation. Universal pulmonary vascular sequelae in this patient population include two inter-related but distinct complications: pulmonary arteriovenous malformations (PAVMs) and aortopulmonary collaterals (APCs). This review highlights what is known and unknown about these vascular sequelae focusing on diagnostic testing, pathophysiology, and areas in need of further research.
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Safai Zadeh E, Görg C, Prosch H, Jenssen C, Blaivas M, Laursen CB, Jacobsen N, Dietrich CF. WFUMB Technological Review: How to Perform Contrast-Enhanced Ultrasound of the Lung. ULTRASOUND IN MEDICINE & BIOLOGY 2022; 48:598-616. [PMID: 35067423 DOI: 10.1016/j.ultrasmedbio.2021.11.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 10/18/2021] [Accepted: 11/23/2021] [Indexed: 05/09/2023]
Abstract
The use of ultrasound has revolutionized the evaluation of pulmonary complaints and pathology. Historically, most lung ultrasound uses described are limited to B-mode, M-mode and occasionally color Doppler. However, the use of contrast can significantly expand the diagnostic capabilities of lung ultrasound. Ultrasound contrast enables significant expansion of therapeutic and intervention capabilities. We provide a detailed description of contrast administration, phases and uses in lung ultrasound. Additionally provided are example contrast use cases and illustrative examples of contrast use in a wide range of lung ultrasound applications including pneumonia, atelectasis, pulmonary embolism and neoplasms. Clinical practice examples will help providers incorporate contrast use into their lung ultrasound practice.
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Affiliation(s)
- Ehsan Safai Zadeh
- Interdisciplinary Centre of Ultrasound Diagnostics, University Hospital Giessen and Marburg, Philipp University of Marburg, Baldingerstrasse, Marburg, Germany; Gastroenterology, Endocrinology, Metabolism and Clinical Infectiology, University Hospital Giessen and Marburg, Philipp University of Marburg, Baldingerstrasse, Marburg, Germany
| | - Christian Görg
- Interdisciplinary Centre of Ultrasound Diagnostics, University Hospital Giessen and Marburg, Philipp University of Marburg, Baldingerstrasse, Marburg, Germany; Gastroenterology, Endocrinology, Metabolism and Clinical Infectiology, University Hospital Giessen and Marburg, Philipp University of Marburg, Baldingerstrasse, Marburg, Germany
| | - Helmut Prosch
- Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christian Jenssen
- Krankenhaus Märkisch-Oderland, Department of Internal Medicine, Strausberg, Germany; Brandenburg Institute for Clinical Ultrasound (BICUS) at Medical University Brandenburg, Neuruppin, Germany
| | - Michael Blaivas
- University of South Carolina School of Medicine, Columbia, South Carolina, USA
| | - Christian B Laursen
- Department of Respiratory Medicine, Odense University Hospital, Odense, Denmark; Odense Respiratory Research Unit, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Niels Jacobsen
- Department of Respiratory Medicine, Odense University Hospital, Odense, Denmark; Odense Respiratory Research Unit, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Christoph Frank Dietrich
- Department Allgemeine Innere Medizin (DAIM), Kliniken Hirslanden Bern, Beau Site, Salem und Permanence, Bern, Switzerland.
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10
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Safai Zadeh E, Keber CU, Dietrich CF, Westhoff CC, Günter C, Beutel B, Alhyari A, Trenker C, Görg C. Perfusion Patterns of Peripheral Pulmonary Granulomatous Lesions Using Contrast-Enhanced Ultrasound (CEUS) and Their Correlation with Immunohistochemically Detected Vascularization Patterns. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2022; 41:565-574. [PMID: 33955572 DOI: 10.1002/jum.15730] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 03/11/2021] [Accepted: 04/08/2021] [Indexed: 06/12/2023]
Abstract
PURPOSE To describe the perfusion patterns of peripheral pulmonary granulomatous lesions (PPGLs) by contrast-enhanced ultrasound (CEUS) and their correlation with vascularization patterns (VPs) represented by immunohistochemical (CD34) endothelial staining. PATIENTS AND METHODS From January 2007 until September 2020, 10 consecutive patients with histologically confirmed PPGLs were investigated by CEUS. The time to enhancement, classified as early pulmonary-arterial (PA) pattern of enhancement versus delayed bronchial-arterial (BA) pattern of enhancement, the extent of enhancement, classified as marked or reduced, the homogeneity of enhancement, classified as homogeneous or inhomogeneous, and the decrease of enhancement, classified as rapid washout (<120 seconds) or a late washout (≥120 seconds), were analyzed retrospectively. Furthermore, the tissue samples from the study patients and as a control group, 10 samples of normal lung tissue obtained by autopsy, and 10 samples of lung tissue with acute pneumonia obtained by autopsy were immunohistochemically stained with CD34 antibody. The presence of avascular areas (AAs) and the VPs were evaluated in all tissue samples. RESULTS On CEUS, all PPGLs showed a reduced inhomogeneous BA pattern of enhancement and a rapid washout (<120 seconds). On CD34 staining, all PPGLs showed central AAs in granulomas and a chaotic VP similar to angiogenesis in lung tumors. The lung tissue in control groups revealed on CD34 staining a regular alveolar VP. CONCLUSION The PPGLs on CEUS show an identical perfusion pattern similar to those of malignant lesions. Furthermore, for the first time, neoangiogenesis was demonstrated as a histopathological correlate to BA pattern of enhancement on CEUS.
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Affiliation(s)
- Ehsan Safai Zadeh
- Interdisciplinary Centre of Ultrasound Diagnostics, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
| | - Corinna U Keber
- Institute of Pathology and Cytology, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
| | - Christoph F Dietrich
- Department Allgemeine Innere Medizin (DAIM), Kliniken Hirslanden Bern, Bern, Switzerland
| | - Christina C Westhoff
- Institute of Pathology and Cytology, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
| | - Christina Günter
- Interdisciplinary Centre of Ultrasound Diagnostics, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
| | - Björn Beutel
- Pneumology, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
| | - Amjad Alhyari
- Gastroenterology, Endocrinology, Metabolism and Clinical Infectiology, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
| | - Corinna Trenker
- Haematology, Oncology and Immunology, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
| | - Christian Görg
- Interdisciplinary Centre of Ultrasound Diagnostics, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
- Gastroenterology, Endocrinology, Metabolism and Clinical Infectiology, University Hospital Giessen and Marburg, Philipps University Marburg, Marburg, Germany
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11
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Ma W, Jin Q, Guo H, Han X, Xu L, Lu S, Wu C. Metformin Ameliorates Inflammation and Airway Remodeling of Experimental Allergic Asthma in Mice by Restoring AMPKα Activity. Front Pharmacol 2022; 13:780148. [PMID: 35153777 PMCID: PMC8830934 DOI: 10.3389/fphar.2022.780148] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 01/03/2022] [Indexed: 12/19/2022] Open
Abstract
Metformin has been involved in modulating inflammatory state and inhibiting cell proliferation and angiogenesis. This study aimed to determine whether metformin alleviates airway inflammation and remodeling of experimental allergic asthma and elucidate the underlying mechanism. We sensitized and challenged mice with ovalbumin (OVA) to induce allergic asthma. During the challenge period, metformin was administered by intraperitoneal injection. By histopathological and immunohistochemical analyses, metformin-treated mice showed a significant alleviation in airway inflammation, and in the parameters of airway remodeling including goblet cell hyperplasia, collagen deposition and airway smooth muscle hypertrophy compared to those in the OVA-challenged mice. We also observed elevated levels of multiple cytokines (IL-4, IL-5, IL-13, TNF-α, TGF-β1 and MMP-9) in the bronchoalveolar lavage fluid, OVA-specific IgE in the serum and angiogenesis-related factors (VEGF, SDF-1 and CXCR4) in the plasma from asthmatic mice, while metformin reduced all these parameters. Additionally, the activity of 5′-adenosine monophosphate-activated protein kinase a (AMPKα) in the lungs from OVA-challenged mice was remarkably lower than control ones, while after metformin treatment, the ratio of p-AMPKα to AMPKα was upregulated and new blood vessels in the sub-epithelial area as evidenced by CD31 staining were effectively suppressed. These results indicate that metformin ameliorates airway inflammation and remodeling in an OVA-induced chronic asthmatic model and its protective role could be associated with the restoration of AMPKα activity and decreased asthma-related angiogenesis.
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Affiliation(s)
- Wenxian Ma
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Qiaoyan Jin
- Department of Pediatrics, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Haiqin Guo
- Department of Pulmonary and Critical Care Medicine, Third Military Medical University Southwest Hospital, Chongqing, China
| | - Xinpeng Han
- Department of Pulmonary and Critical Care Medicine, Xi’an International Medical Center Hospital, Xi’an, China
| | - Lingbin Xu
- Department of Pulmonary and Critical Care Medicine, Shaanxi Provincial People’s Hospital, Xi’an, China
| | - Shemin Lu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
- *Correspondence: Changgui Wu, ; Shemin Lu,
| | - Changgui Wu
- Department of Pulmonary and Critical Care Medicine, Xi’an International Medical Center Hospital, Xi’an, China
- *Correspondence: Changgui Wu, ; Shemin Lu,
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12
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Zhong Y, Zhang Z, Chen X. Inhibition of miR-21 improves pulmonary vascular responses in bronchopulmonary dysplasia by targeting the DDAH1/ADMA/NO pathway. Open Med (Wars) 2022; 17:1949-1964. [PMID: 36561848 PMCID: PMC9743197 DOI: 10.1515/med-2022-0584] [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: 05/22/2022] [Revised: 09/07/2022] [Accepted: 10/02/2022] [Indexed: 12/14/2022] Open
Abstract
miR-21 has been confirmed to be overexpressed in neonatal rat lungs with hyperoxia-mediated bronchopulmonary dysplasia (BPD). The specific function of miR-21 in BPD is still unclear. We established the hyperoxia-induced BPD rat model in vivo and the hyperoxia-induced pulmonary microvascular endothelial cells (PMVECs) model in vitro. Transwell assay was utilized to detect the migratory capability of PMVECs. Tube formation assay was utilized to measure angiogenesis ability. ELISA was utilized to test nitric oxide (NO) production and the intracellular and extracellular Asymmetric Dimethylarginine (ADMA) concentration. Furthermore, the interaction between miR-21 and dimethylarginine dimethylaminohydrolase 1 (DDAH1) was evaluated using luciferase reporter assay. We found that miR-21 expression in PMVECs was increased by hyperoxia stimulation. Inhibition of miR-21 improved the migratory and angiogenic activities of PMVECs and overexpression of miR-21 exerted the opposite effects. Furthermore, knockdown of miR-21 increased NO production and decreased intracellular and extracellular ADMA concentration in hyperoxia-treated PMVECs. Next we proved that miR-21 could bind to DDAH1 and negatively regulate its expression. Rescues assays showed that DDAH1 knockdown reversed the effects of miR-21 depletion on hyperoxia-mediated PMVEC functions, NO production, and ADMA concentration. Importantly, miR-21 downregulation restored alveolarization and vascular density in BPD rats. This study demonstrates that inhibition of miR-21 improves pulmonary vascular responses in BPD by targeting the DDAH1/ADMA/NO pathway.
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Affiliation(s)
- Ying Zhong
- Department of Child Health Care, The First Affiliated Hospital of Nanjing Medical University, 368 Jiangdong North Road, Nanjing 210036, Jiangsu, China
| | - Zhiqun Zhang
- Department of Neonatology, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang, China
| | - Xiaoqing Chen
- Department of Pediatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210036, Jiangsu, China
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13
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Nitzsche B, Rong WW, Goede A, Hoffmann B, Scarpa F, Kuebler WM, Secomb TW, Pries AR. Coalescent angiogenesis-evidence for a novel concept of vascular network maturation. Angiogenesis 2021; 25:35-45. [PMID: 34905124 PMCID: PMC8669669 DOI: 10.1007/s10456-021-09824-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/07/2021] [Indexed: 02/06/2023]
Abstract
Angiogenesis describes the formation of new blood vessels from pre-existing vascular structures. While the most studied mode of angiogenesis is vascular sprouting, specific conditions or organs favor intussusception, i.e., the division or splitting of an existing vessel, as preferential mode of new vessel formation. In the present study, sustained (33-h) intravital microscopy of the vasculature in the chick chorioallantoic membrane (CAM) led to the hypothesis of a novel non-sprouting mode for vessel generation, which we termed "coalescent angiogenesis." In this process, preferential flow pathways evolve from isotropic capillary meshes enclosing tissue islands. These preferential flow pathways progressively enlarge by coalescence of capillaries and elimination of internal tissue pillars, in a process that is the reverse of intussusception. Concomitantly, less perfused segments regress. In this way, an initially mesh-like capillary network is remodeled into a tree structure, while conserving vascular wall components and maintaining blood flow. Coalescent angiogenesis, thus, describes the remodeling of an initial, hemodynamically inefficient mesh structure, into a hierarchical tree structure that provides efficient convective transport, allowing for the rapid expansion of the vasculature with maintained blood supply and function during development.
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Affiliation(s)
- Bianca Nitzsche
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner site Berlin, 10117, Berlin, Germany
| | - Wen Wei Rong
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany
| | - Andrean Goede
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany
| | - Björn Hoffmann
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany
| | - Fabio Scarpa
- Department of Information Engineering, University of Padua, Padua, Italy
| | - Wolfgang M Kuebler
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner site Berlin, 10117, Berlin, Germany
| | - Timothy W Secomb
- Department of Physiology, University of Arizona, Tucson, AZ, 85724, USA
| | - Axel R Pries
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany. .,German Center for Cardiovascular Research (DZHK), Partner site Berlin, 10117, Berlin, Germany.
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14
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Ackermann M, Tafforeau P, Wagner WL, Walsh C, Werlein C, Kühnel MP, Länger FP, Disney C, Bodey AJ, Bellier A, Verleden SE, Lee PD, Mentzer SJ, Jonigk DD. The Bronchial Circulation in COVID-19 Pneumonia. Am J Respir Crit Care Med 2021; 205:121-125. [PMID: 34734553 PMCID: PMC8865596 DOI: 10.1164/rccm.202103-0594im] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
- Maximilian Ackermann
- Institute of Functional and Clinical Anatomy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.,HELIOS Universitatsklinikum Wuppertal, 60865, Institute of Pathology and Molecular Pathology, Wuppertal, Germany;
| | - Paul Tafforeau
- European Synchrotron Radiation Facility, 55553, Grenoble, France
| | - Willi L Wagner
- University Hospital Heidelberg, 27178, Dept. Diagnostic and Interventional Radiology, Heidelberg, Germany
| | - Claire Walsh
- University College London, 4919, Centre for Advanced Biomedical Imaging, London, United Kingdom of Great Britain and Northern Ireland
| | | | - Mark P Kühnel
- Medical School of Hannover, Institute of Pathology, Hannover, Germany
| | | | - Catherine Disney
- University College London, 4919, London, United Kingdom of Great Britain and Northern Ireland
| | - Andrew J Bodey
- Diamond Light Source Ltd, 120796, Didcot, United Kingdom of Great Britain and Northern Ireland
| | - Alexandre Bellier
- Grenoble Universites, 133618, French Alps Laboratory of Anatomy (LADAF) , Grenoble, France
| | - Stijn E Verleden
- Katholieke Universiteit Leuven and Universitair Ziekenhuis Gasthuisberg, Lung Transplant Unit, Leuven, Belgium
| | - Peter D Lee
- University College London, 4919, Department of Mechanical Engineering, London, United Kingdom of Great Britain and Northern Ireland
| | - Steven J Mentzer
- Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Danny D Jonigk
- Hannover Medical School, Institute of Pathology , Hannover, Germany
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15
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Safai Zadeh E, Beutel B, Dietrich CF, Keber CU, Huber KP, Görg C, Trenker C. Perfusion Patterns of Peripheral Pulmonary Lesions in COVID-19 Patients Using Contrast-Enhanced Ultrasound (CEUS): A Case Series. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2021; 40:2403-2411. [PMID: 33459393 PMCID: PMC8014529 DOI: 10.1002/jum.15624] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 05/12/2023]
Abstract
PURPOSE To describe perfusion patterns of peripheral pulmonary lesions (PPLs) in COVID-19 patients using contrast-enhanced ultrasound (CEUS). PATIENTS AND METHODS From April 2020 until July 2020, 11 consecutive patients with RT-PCR-confirmed COVID-19 and PPLs sized over 5 mm were investigated by B-mode ultrasound (B-US) and CEUS. The homogeneity of enhancement (homogeneous and inhomogeneous) was examined retrospectively using CEUS. An inhomogeneous enhancement was defined as a perfused lesion with coexisting non-perfused areas (NPA). RESULTS On B-US, all 11 patients showed an interstitial syndrome (B-lines) with PPLs between 0.5 and 6 cm. On CEUS, all cases showed peripheral NPA during the complete CEUS examination. One patient underwent a partial lung resection with subsequent histopathological examination. The histological examination showed vasculitis, microthrombus in the alveolar capillary, and small obliterated vessels. CONCLUSION In our case series, PPLs in patients with RT-PCR-confirmed COVID-19 infection presented a CEUS pattern with NPA during the complete CEUS examination. Our findings suggest a peripheral pulmonary perfusion disturbance in patients with COVID-19 infection. In 1 case, the histopathological correlation with the perfusion disturbance in the PPL was proven.
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Affiliation(s)
- Ehsan Safai Zadeh
- Interdisciplinary Center of Ultrasound DiagnosticsUniversity Hospital Giessen and MarburgMarburgGermany
| | - Björn Beutel
- Department of PneumologyUniversity Hospital Giessen and Marburg, Philipps University MarburgMarburgGermany
| | - Christoph Frank Dietrich
- Department Allgemeine Innere Medizin (DAIM)Kliniken Hirslanden Bern, Beau Site, Salem und PermanenceBernSwitzerland
| | - Corinna Ulrike Keber
- Institute of Pathology and Cytology, University Hospital Giessen and Marburg, Philipps University MarburgMarburgGermany
| | - Katharina Paulina Huber
- Interdisciplinary Center of Ultrasound DiagnosticsUniversity Hospital Giessen and MarburgMarburgGermany
| | - Christian Görg
- Interdisciplinary Center of Ultrasound DiagnosticsUniversity Hospital Giessen and MarburgMarburgGermany
| | - Corinna Trenker
- Haematology, Oncology and ImmunologyUniversity Hospital Giessen and Marburg, Philipps University MarburgMarburgGermany
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16
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Jadaun PK, Chatterjee S. COVID-19 and dys-regulation of pulmonary endothelium: implications for vascular remodeling. Cytokine Growth Factor Rev 2021; 63:69-77. [PMID: 34728151 PMCID: PMC9611904 DOI: 10.1016/j.cytogfr.2021.10.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/05/2021] [Accepted: 10/13/2021] [Indexed: 01/08/2023]
Abstract
Coronavirus disease-2019 (COVID-19),
the disease caused by severe acute respiratory syndrome-coronavirus-2,
has claimed more than 4.4 million lives worldwide (as of 20 August 2021).
Severe cases of the disease often result in respiratory distress due to
cytokine storm, and mechanical ventilation is required. Although, the
lungs are the primary organs affected by the disease, more evidence on
damage to the heart, kidney, and liver is emerging. A common link in
these connections is the cardiovascular network. Inner lining of the
blood vessels, called endothelium, is formed by a single layer of
endothelial cells. Several clinical manifestations involving the
endothelium have been reported, such as its activation via
immunomodulation, endotheliitis, thrombosis, vasoconstriction, and
distinct intussusceptive angiogenesis (IA), a unique and rapid process of
blood-vessel formation by splitting a vessel into two lumens. In fact,
the virus directly infects the endothelium via TMPRSS2 spike glycoprotein
priming to facilitate ACE-2-mediated viral entry. Recent studies have
indicated a significant increase in remodeling of the pulmonary vascular
bed via intussusception in patients with COVID-19. However, the lack of
circulatory biomarkers for IA limits its detection in COVID-19
pathogenesis. In this review, we describe the implications of
angiogenesis in COVID-19, unique features of the pulmonary vascular bed
and its remodeling, and a rapid and non-invasive assessment of IA to
overcome the technical limitations in patients with
COVID-19.
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Affiliation(s)
- Pavitra K Jadaun
- Hepatology, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Suvro Chatterjee
- Department of Biotechnology, University of Burdwan, Golap Bag Campus, Burdwan, India.
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17
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Saren G, Wong A, Lu YB, Baciu C, Zhou W, Zamel R, Soltanieh S, Sugihara J, Liu M. Ischemia-Reperfusion Injury in a Simulated Lung Transplant Setting Differentially Regulates Transcriptomic Profiles between Human Lung Endothelial and Epithelial Cells. Cells 2021; 10:cells10102713. [PMID: 34685693 PMCID: PMC8534993 DOI: 10.3390/cells10102713] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/01/2021] [Accepted: 10/07/2021] [Indexed: 11/30/2022] Open
Abstract
Current understanding of mechanisms of ischemia-reperfusion-induced lung injury during lung preservation and transplantation is mainly based on clinical observations and animal studies. Herein, we used cell and systems biology approaches to explore these mechanisms at transcriptomics levels, especially by focusing on the differences between human lung endothelial and epithelial cells, which are crucial for maintaining essential lung structure and function. Human pulmonary microvascular endothelial cells and human lung epithelial cells were cultured to confluent, subjected to different cold ischemic times (CIT) to mimic static cold storage with preservation solution, and then subjected to warm reperfusion with a serum containing culture medium to simulate lung transplantation. Cell morphology, viability, and transcriptomic profiles were studied. Ischemia-reperfusion injury induced a CIT time-dependent cell death, which was associated with dramatic changes in gene expression. Under normal control conditions, endothelial cells showed gene clusters enriched in the vascular process and inflammation, while epithelial cells showed gene clusters enriched in protein biosynthesis and metabolism. CIT 6 h alone or after reperfusion had little effect on these phenotypic characteristics. After CIT 18 h, protein-biosynthesis-related gene clusters disappeared in epithelial cells; after reperfusion, metabolism-related gene clusters in epithelial cells and multiple gene clusters in the endothelial cells also disappeared. Human pulmonary endothelial and epithelial cells have distinct phenotypic transcriptomic signatures. Severe cellular injury reduces these gene expression signatures in a cell-type-dependent manner. Therapeutics that preserve these transcriptomic signatures may represent new treatment to prevent acute lung injury during lung transplantation.
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Affiliation(s)
- Gaowa Saren
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
| | - Aaron Wong
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
- Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1X8, Canada
| | - Yun-Bi Lu
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
- Department of Pharmacology, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Cristina Baciu
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
| | - Wenyong Zhou
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
| | - Ricardo Zamel
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
| | - Sahar Soltanieh
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
| | - Junichi Sugihara
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
| | - Mingyao Liu
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON M5G 1L7, Canada; (G.S.); (A.W.); (Y.-B.L.); (C.B.); (W.Z.); (R.Z.); (S.S.); (J.S.)
- Institute of Medical Science, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1X8, Canada
- Department of Surgery, Medicine and Physiology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1X8, Canada
- Correspondence:
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18
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Chen X, Miao M, Zhou M, Chen J, Li D, Zhang L, Sun A, Guan M, Wang Z, Liu P, Zhang S, Zha X, Fan X. Poly-L-arginine promotes asthma angiogenesis through induction of FGFBP1 in airway epithelial cells via activation of the mTORC1-STAT3 pathway. Cell Death Dis 2021; 12:761. [PMID: 34341336 PMCID: PMC8329163 DOI: 10.1038/s41419-021-04055-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 01/21/2023]
Abstract
Angiogenesis is a key characteristic of asthma airway remodeling. By releasing cationic granule proteins, such as major basic protein (MBP), activated eosinophils play a prominent role in asthma, but the underlying mechanisms are still not fully understood. In this study, we demonstrated that fibroblast growth factor-binding protein 1 (FGFBP1) was dramatically upregulated in airway epithelial cell lines treated by poly-L-arginine (PLA), a mimic of MBP. Elevated FGFBP1 expression was also detected in asthma clinical samples, as well as in ovalbumin (OVA)-induced chronic asthma mouse models. PLA enhanced FGFBP1 expression through activation of the mechanistic target of rapamycin complex 1-signal transducer and activator of transcription 3 (mTORC1-STAT3) signaling pathway. STAT3 transactivated FGFBP1 by directly binding to the promoter of the FGFBP1 gene. Furthermore, we identified that FGFBP1 secreted by PLA-treated airway epithelial cells served as a proangiogenesis factor. Lastly, we found the mTORC1-STAT3-FGFBP1 signaling pathway was activated in an OVA-induced chronic asthma model with airway remodeling features. Rapamycin treatment alleviated respiratory symptoms and reduced angiogenesis in asthmatic mice. Therefore, activation of the mTORC1-STAT3-FGFBP1 pathway in the airway epithelium contributes to the progress of angiogenesis and should be targeted for the treatment of asthma.
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Affiliation(s)
- Xu Chen
- Department of Geriatric Respiratory and Critical Care, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Geriatric Institute, Hefei, China.,Key Lab of Geriatric Molecular Medicine of Anhui Province, Hefei, China.,Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Manli Miao
- Department of Geriatric Respiratory and Critical Care, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Geriatric Institute, Hefei, China.,Key Lab of Geriatric Molecular Medicine of Anhui Province, Hefei, China
| | - Meng Zhou
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Jie Chen
- Department of Geriatric Respiratory and Critical Care, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Geriatric Institute, Hefei, China.,Key Lab of Geriatric Molecular Medicine of Anhui Province, Hefei, China
| | - Dapeng Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Ling Zhang
- Department of Geriatric Respiratory and Critical Care, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Geriatric Institute, Hefei, China.,Key Lab of Geriatric Molecular Medicine of Anhui Province, Hefei, China
| | - Anjiang Sun
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Minglong Guan
- Department of Geriatric Respiratory and Critical Care, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Anhui Geriatric Institute, Hefei, China.,Key Lab of Geriatric Molecular Medicine of Anhui Province, Hefei, China
| | - Zixi Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Ping Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Shengquan Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China
| | - Xiaojun Zha
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, China.
| | - Xiaoyun Fan
- Department of Geriatric Respiratory and Critical Care, The First Affiliated Hospital of Anhui Medical University, Hefei, China. .,Anhui Geriatric Institute, Hefei, China. .,Key Lab of Geriatric Molecular Medicine of Anhui Province, Hefei, China.
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19
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Hanidziar D, Robson SC. Synapomorphic features of hepatic and pulmonary vasculatures include comparable purinergic signaling responses in host defense and modulation of inflammation. Am J Physiol Gastrointest Liver Physiol 2021; 321:G200-G212. [PMID: 34105986 PMCID: PMC8410108 DOI: 10.1152/ajpgi.00406.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Hepatosplanchnic and pulmonary vasculatures constitute synapomorphic, highly comparable networks integrated with the external environment. Given functionality related to obligatory requirements of "feeding and breathing," these organs are subject to constant environmental challenges entailing infectious risk, antigenic and xenobiotic exposures. Host responses to these stimuli need to be both protective and tightly regulated. These functions are facilitated by dualistic, high-low pressure blood supply of the liver and lungs, as well as tolerogenic characteristics of resident immune cells and signaling pathways. Dysregulation in hepatosplanchnic and pulmonary blood flow, immune responses, and microbiome implicate common pathogenic mechanisms across these vascular networks. Hepatosplanchnic diseases, such as cirrhosis and portal hypertension, often impact lungs and perturb pulmonary circulation and oxygenation. The reverse situation is also noted with lung disease resulting in hepatic dysfunction. Others, and we, have described common features of dysregulated cell signaling during liver and lung inflammation involving extracellular purines (e.g., ATP, ADP), either generated exogenously or endogenously. These metabokines serve as danger signals, when released by bacteria or during cellular stress and cause proinflammatory and prothrombotic signals in the gut/liver-lung vasculature. Dampening of these danger signals and organ protection largely depends upon activities of vascular and immune cell-expressed ectonucleotidases (CD39 and CD73), which convert ATP and ADP into anti-inflammatory adenosine. However, in many inflammatory disorders involving gut, liver, and lung, these protective mechanisms are compromised, causing perpetuation of tissue injury. We propose that interventions that specifically target aberrant purinergic signaling might prevent and/or ameliorate inflammatory disorders of the gut/liver and lung axis.
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Affiliation(s)
- Dusan Hanidziar
- 1Department of Anesthesia, Critical Care and Pain Medicine, grid.32224.35Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Simon C. Robson
- 2Department of Anesthesia, Critical Care and Pain Medicine, Center for Inflammation Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts,3Department of Medicine, Division of Gastroenterology/Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
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20
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Stevens RP, Paudel SS, Johnson SC, Stevens T, Lee JY. Endothelial metabolism in pulmonary vascular homeostasis and acute respiratory distress syndrome. Am J Physiol Lung Cell Mol Physiol 2021; 321:L358-L376. [PMID: 34159794 PMCID: PMC8384476 DOI: 10.1152/ajplung.00131.2021] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/08/2021] [Accepted: 06/15/2021] [Indexed: 12/27/2022] Open
Abstract
Capillary endothelial cells possess a specialized metabolism necessary to adapt to the unique alveolar-capillary environment. Here, we highlight how endothelial metabolism preserves the integrity of the pulmonary circulation by controlling vascular permeability, defending against oxidative stress, facilitating rapid migration and angiogenesis in response to injury, and regulating the epigenetic landscape of endothelial cells. Recent reports on single-cell RNA-sequencing reveal subpopulations of pulmonary capillary endothelial cells with distinctive reparative capacities, which potentially offer new insight into their metabolic signature. Lastly, we discuss broad implications of pulmonary vascular metabolism on acute respiratory distress syndrome, touching on emerging findings of endotheliitis in coronavirus disease 2019 (COVID-19) lungs.
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Affiliation(s)
- Reece P Stevens
- Department of Physiology and Cell Biology, College of Medicine, University of South Alabama, Mobile, Alabama
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Sunita S Paudel
- Department of Physiology and Cell Biology, College of Medicine, University of South Alabama, Mobile, Alabama
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Santina C Johnson
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, Alabama
- Department of Biomolecular Engineering, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Troy Stevens
- Department of Physiology and Cell Biology, College of Medicine, University of South Alabama, Mobile, Alabama
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Ji Young Lee
- Department of Physiology and Cell Biology, College of Medicine, University of South Alabama, Mobile, Alabama
- Department of Internal Medicine, College of Medicine, University of South Alabama, Mobile, Alabama
- Division of Pulmonary and Critical Care Medicine, College of Medicine, University of South Alabama, Mobile, Alabama
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
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21
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Millares-Ramirez EM, Lavoie JP. Bronchial angiogenesis in horses with severe asthma and its response to corticosteroids. J Vet Intern Med 2021; 35:2026-2034. [PMID: 34048095 PMCID: PMC8295704 DOI: 10.1111/jvim.16159] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 04/28/2021] [Accepted: 04/30/2021] [Indexed: 12/16/2022] Open
Abstract
Background Severe asthma in horses is characterized by structural changes that thicken the lower airway wall, a change that is only partially reversible by current treatments. Increased vascularization contributes to the thickening of the bronchial wall in humans with asthma and is considered a potential new therapeutic target. Objective To determine the presence of angiogenesis in the bronchi of severely asthmatic horses, and if present, to evaluate its reversibility by treatment with corticosteroids. Animals Study 1: Bronchial samples from asthmatic horses in exacerbation (7), in remission (7), and aged‐matched healthy horses. Study 2: Endobronchial biopsy samples from asthmatic horses in exacerbation (6) and healthy horses (6) before and after treatment with dexamethasone. Methods Blinded, randomized controlled study. Immunohistochemistry was performed using collagen IV as a marker for vascular basement membranes. Number of vessels, vascular area, and mean vessel size in the bronchial lamina propria were measured by histomorphometry. Reversibility of vascular changes in Study 2 was assessed after 2 weeks of treatment with dexamethasone. Results The number of vessels and vascular area were increased in the airway walls of asthmatic horses in exacerbation (P = .01 and P = .02, respectively) and in remission (P = .02 and P = .04, respectively) when compared to controls. In Study 2, the differences observed between groups disappeared after 2 weeks of treatment with corticosteroids because of the increased number of vessels in healthy horses. Conclusions and Clinical Importance Angiogenesis contributes to thickening of the airway wall in asthmatic horses and was not reversed by a 2‐week treatment with corticosteroids.
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Affiliation(s)
- Esther M Millares-Ramirez
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Montreal, Saint-Hyacinthe, Quebec, Canada
| | - Jean-Pierre Lavoie
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Montreal, Saint-Hyacinthe, Quebec, Canada
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22
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Pewowaruk R, Hermsen J, Johnson C, Erdmann A, Pettit K, Aesif S, Ralphe JC, Francois CJ, Roldán-Alzate A, Lamers L. Pulmonary artery and lung parenchymal growth following early versus delayed stent interventions in a swine pulmonary artery stenosis model. Catheter Cardiovasc Interv 2020; 96:1454-1464. [PMID: 33063918 PMCID: PMC10831906 DOI: 10.1002/ccd.29326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 11/09/2022]
Abstract
OBJECTIVES Compare lung parenchymal and pulmonary artery (PA) growth and hemodynamics following early and delayed PA stent interventions for treatment of unilateral branch PA stenosis (PAS) in swine. BACKGROUND How the pulmonary circulation remodels in response to different durations of hypoperfusion and how much growth and function can be recovered with catheter directed interventions at differing time periods of lung development is not understood. METHODS A total of 18 swine were assigned to four groups: Sham (n = 4), untreated left PAS (LPAS) (n = 4), early intervention (EI) (n = 5), and delayed intervention (DI) (n = 5). EI had left pulmonary artery (LPA) stenting at 5 weeks (6 kg) with redilation at 10 weeks. DI had stenting at 10 weeks. All underwent right heart catheterization, computed tomography, magnetic resonance imaging, and histology at 20 weeks (55 kg). RESULTS EI decreased the extent of histologic changes in the left lung as DI had marked alveolar septal and bronchovascular abnormalities (p = .05 and p < .05 vs. sham) that were less prevalent in EI. EI also increased left lung volumes and alveolar counts compared to DI. EI and DI equally restored LPA pulsatility, R heart pressures, and distal LPA growth. EI and DI improved, but did not normalize LPA stenosis diameter (LPA/DAo ratio: Sham 1.27 ± 0.11 mm/mm, DI 0.88 ± 0.10 mm/mm, EI 1.01 ± 0.09 mm/mm) and pulmonary blood flow distributions (LPA-flow%: Sham 52 ± 5%, LPAS 7 ± 2%, DI 44 ± 3%, EI 40 ± 2%). CONCLUSION In this surgically created PAS model, EI was associated with improved lung parenchymal development compared to DI. Longer durations of L lung hypoperfusion did not detrimentally affect PA growth and R heart hemodynamics. Functional and anatomical discrepancies persist despite successful stent interventions that warrant additional investigation.
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Affiliation(s)
- Ryan Pewowaruk
- Biomedical Engineering, University of Wisconsin – Madison
| | - Joshua Hermsen
- School of Medicine and Public Health, University of Wisconsin – Madison
- Cardiovascular Surgery, University of Wisconsin – Madison
| | | | - Alexandra Erdmann
- School of Medicine and Public Health, University of Wisconsin – Madison
| | - Kevin Pettit
- School of Medicine and Public Health, University of Wisconsin – Madison
| | - Scott Aesif
- School of Medicine and Public Health, University of Wisconsin – Madison
- Pathology, University of Wisconsin – Madison
| | - J. Carter Ralphe
- School of Medicine and Public Health, University of Wisconsin – Madison
- Pediatrics, Division of Cardiology, University of Wisconsin – Madison
| | - Christopher J. Francois
- School of Medicine and Public Health, University of Wisconsin – Madison
- Radiology, University of Wisconsin – Madison
| | - Alejandro Roldán-Alzate
- Biomedical Engineering, University of Wisconsin – Madison
- Mechanical Engineering, University of Wisconsin – Madison
- Radiology, University of Wisconsin – Madison
| | - Luke Lamers
- School of Medicine and Public Health, University of Wisconsin – Madison
- Pediatrics, Division of Cardiology, University of Wisconsin – Madison
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Jeong JH, Ojha U, Lee YM. Pathological angiogenesis and inflammation in tissues. Arch Pharm Res 2020; 44:1-15. [PMID: 33230600 PMCID: PMC7682773 DOI: 10.1007/s12272-020-01287-2] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 11/13/2020] [Indexed: 12/12/2022]
Abstract
The role of angiogenesis in the growth of organs and tumors is widely recognized. Vascular-organ interaction is a key mechanism and a concept that enables an understanding of all biological phenomena and normal physiology that is essential for human survival under pathological conditions. Recently, vascular endothelial cells have been classified as a type of innate immune cells that are dependent on the pathological situations. Moreover, inflammatory cytokines and signaling regulators activated upon exposure to infection or various stresses play crucial roles in the pathological function of parenchymal cells, peripheral immune cells, stromal cells, and cancer cells in tissues. Therefore, vascular-organ interactions as a vascular microenvironment or tissue microenvironment under physiological and pathological conditions are gaining popularity as an interesting research topic. Here, we review vascular contribution as a major factor in microenvironment homeostasis in the pathogenesis of normal as well as cancerous tissues. Furthermore, we suggest that the normalization strategy of pathological angiogenesis could be a promising therapeutic target for various diseases, including cancer.
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Affiliation(s)
- Ji-Hak Jeong
- College of Pharmacy, Vessel-Organ Interaction Research Center (VOICE, MRC), Kyungpook National University, Daegu, 41566, Republic of Korea.,College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Uttam Ojha
- College of Pharmacy, Vessel-Organ Interaction Research Center (VOICE, MRC), Kyungpook National University, Daegu, 41566, Republic of Korea
| | - You Mie Lee
- College of Pharmacy, Vessel-Organ Interaction Research Center (VOICE, MRC), Kyungpook National University, Daegu, 41566, Republic of Korea. .,College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea.
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Tielemans B, Dekoster K, Verleden SE, Sawall S, Leszczyński B, Laperre K, Vanstapel A, Verschakelen J, Kachelriess M, Verbeken E, Swoger J, Vande Velde G. From Mouse to Man and Back: Closing the Correlation Gap between Imaging and Histopathology for Lung Diseases. Diagnostics (Basel) 2020; 10:E636. [PMID: 32859103 PMCID: PMC7554749 DOI: 10.3390/diagnostics10090636] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/21/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023] Open
Abstract
Lung diseases such as fibrosis, asthma, cystic fibrosis, infection and cancer are life-threatening conditions that slowly deteriorate quality of life and for which our diagnostic power is high, but our knowledge on etiology and/or effective treatment options still contains important gaps. In the context of day-to-day practice, clinical and preclinical studies, clinicians and basic researchers team up and continuously strive to increase insights into lung disease progression, diagnostic and treatment options. To unravel disease processes and to test novel therapeutic approaches, investigators typically rely on end-stage procedures such as serum analysis, cyto-/chemokine profiles and selective tissue histology from animal models. These techniques are useful but provide only a snapshot of disease processes that are essentially dynamic in time and space. Technology allowing evaluation of live animals repeatedly is indispensable to gain a better insight into the dynamics of lung disease progression and treatment effects. Computed tomography (CT) is a clinical diagnostic imaging technique that can have enormous benefits in a research context too. Yet, the implementation of imaging techniques in laboratories lags behind. In this review we want to showcase the integrated approaches and novel developments in imaging, lung functional testing and pathological techniques that are used to assess, diagnose, quantify and treat lung disease and that may be employed in research on patients and animals. Imaging approaches result in often novel anatomical and functional biomarkers, resulting in many advantages, such as better insight in disease progression and a reduction in the numbers of animals necessary. We here showcase integrated assessment of lung disease with imaging and histopathological technologies, applied to the example of lung fibrosis. Better integration of clinical and preclinical imaging technologies with pathology will ultimately result in improved clinical translation of (therapy) study results.
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Affiliation(s)
- Birger Tielemans
- Department of Imaging and Pathology, KU Leuven, University of Leuven, 3000 Leuven, Belgium; (B.T.); (K.D.); (J.V.); (E.V.)
| | - Kaat Dekoster
- Department of Imaging and Pathology, KU Leuven, University of Leuven, 3000 Leuven, Belgium; (B.T.); (K.D.); (J.V.); (E.V.)
| | - Stijn E. Verleden
- Department of CHROMETA, BREATHE lab, KU Leuven, 3000 Leuven, Belgium; (S.E.V.); (A.V.)
| | - Stefan Sawall
- German Cancer Research Center (DKFZ), X-Ray Imaging and CT, Heidelberg University, 69117 Heidelberg, Germany; (S.S.); (M.K.)
| | - Bartosz Leszczyński
- Department of Medical Physics, M. Smoluchowski Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 31-007 Kraków, Poland;
| | | | - Arno Vanstapel
- Department of CHROMETA, BREATHE lab, KU Leuven, 3000 Leuven, Belgium; (S.E.V.); (A.V.)
| | - Johny Verschakelen
- Department of Imaging and Pathology, KU Leuven, University of Leuven, 3000 Leuven, Belgium; (B.T.); (K.D.); (J.V.); (E.V.)
| | - Marc Kachelriess
- German Cancer Research Center (DKFZ), X-Ray Imaging and CT, Heidelberg University, 69117 Heidelberg, Germany; (S.S.); (M.K.)
| | - Erik Verbeken
- Department of Imaging and Pathology, KU Leuven, University of Leuven, 3000 Leuven, Belgium; (B.T.); (K.D.); (J.V.); (E.V.)
| | - Jim Swoger
- European Molecular Biology Laboratory (EMBL) Barcelona, 08003 Barcelona, Spain;
| | - Greetje Vande Velde
- Department of Imaging and Pathology, KU Leuven, University of Leuven, 3000 Leuven, Belgium; (B.T.); (K.D.); (J.V.); (E.V.)
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25
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Affiliation(s)
- Larissa A. Shimoda
- Division of Pulmonary and Critical Care MedicineDepartment of MedicineJohns Hopkins School of MedicineBaltimoreMD21224USA
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