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Brückner A, Brandtner A, Rieck S, Matthey M, Geisen C, Fels B, Stei M, Kusche-Vihrog K, Fleischmann BK, Wenzel D. Site-specific genetic and functional signatures of aortic endothelial cells at aneurysm predilection sites in healthy and AngII ApoE -/- mice. Angiogenesis 2024:10.1007/s10456-024-09933-9. [PMID: 38965173 DOI: 10.1007/s10456-024-09933-9] [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: 12/18/2023] [Accepted: 06/16/2024] [Indexed: 07/06/2024]
Abstract
Aortic aneurysm is characterized by a pathological dilation at specific predilection sites of the vessel and potentially results in life-threatening vascular rupture. Herein, we established a modified "Häutchen method" for the local isolation of endothelial cells (ECs) from mouse aorta to analyze their spatial heterogeneity and potential role in site-specific disease development. When we compared ECs from aneurysm predilection sites of healthy mice with adjacent control segments we found regulation of genes related to extracellular matrix remodeling, angiogenesis and inflammation, all pathways playing a critical role in aneurysm development. We also detected enhanced cortical stiffness of the endothelium at these sites. Gene expression of ECs from aneurysms of the AngII ApoE-/- model when compared to sham animals mimicked expression patterns from predilection sites of healthy animals. Thus, this work highlights a striking genetic and functional regional heterogeneity in aortic ECs of healthy mice, which defines the location of aortic aneurysm formation in disease.
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Affiliation(s)
- Alexander Brückner
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Adrian Brandtner
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Sarah Rieck
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Michaela Matthey
- Department of Systems Physiology, Medical Faculty, Institute of Physiology, Ruhr University of Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Caroline Geisen
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Benedikt Fels
- Institute of Physiology, University of Lübeck, Lübeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner SiteHamburg/Luebeck/Kiel, Luebeck, Germany
| | - Marta Stei
- Heart Center Bonn, Clinic for Internal Medicine II, University Hospital Bonn, Bonn, Germany
| | - Kristina Kusche-Vihrog
- Institute of Physiology, University of Lübeck, Lübeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner SiteHamburg/Luebeck/Kiel, Luebeck, Germany
| | - Bernd K Fleischmann
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Daniela Wenzel
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany.
- Department of Systems Physiology, Medical Faculty, Institute of Physiology, Ruhr University of Bochum, Universitätsstr. 150, 44801, Bochum, Germany.
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2
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Erin N, Akdeniz Ö. ADAM10 and Neprilysin level decreases in immune cells of mice bearing metastatic breast carcinoma: Possible role in cancer inflammatory response. Int Immunopharmacol 2024; 127:111384. [PMID: 38141405 DOI: 10.1016/j.intimp.2023.111384] [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: 10/26/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/25/2023]
Abstract
OBJECTIVE AND DESIGN ADAM10 and Neprilysin, proteases, play critical role in inflammatory disease, however their role in cancer immune response is not clear. We here evaluated changes in immune response using an experimental model for breast cancer. MATERIAL AND METHOD Highly metastatic breast cancer cells (4T1-derived) were injected orthotopically (mammary-pad of Balb-c mice) to induce tumors. Changes in enzyme level and activity as well as alterations in inflammatory cytokine release in the presence or absence of ADAM10 and NEP activity was determined using specific inhibitors and recombinant proteins. Cytokine response was evaluated using mix leucocyte cultures obtained from control and tumor-bearing mice. ANOVA with Dunnett's posttest was used for statistical analysis. RESULTS ADAM10 and NEP expression was decreased markedly in lymph nodes and spleens of tumor-bearing mice. ADAM10 activity was reduced together with apparent alterations of ADAM10 processing. ADAM10 and NEP activity decreased TNF-α, IL-6 and IFN-ɣ secretion. Suppression of these inflammatory cytokines were more prominent in cultures obtained from control mice demonstrating counteracting factors that are exist in tumor-bearing mice. CONCLUSION Loss of ADAM10 and NEP activity in immune cells during breast cancer metastasis might be one of the main factors involved in induction of chronic inflammation by tumors.
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Affiliation(s)
- Nuray Erin
- Akdeniz University, School of Medicine, Department of Medical Pharmacology, Antalya 07070, Turkiye.
| | - Özlem Akdeniz
- Akdeniz University, School of Medicine, Department of Medical Pharmacology, Antalya 07070, Turkiye
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3
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Mostafa Domiaty D, Ibrahim Al-Hazani TM, Alshehri E, Zamil aldajani H, Fahad Alqassim NA, Mohammed Al-balawi A, Abdullah AlQassim F, Abdullah Alduwish M, Saeed Al-Qahtani W. SARS-CoV-2 impact on ACE2 expression in NSCLC: mRNA and protein insights COVID-19 associated (ACE2) expression in non-small cell lung cancer (NSCLC). Heliyon 2024; 10:e23926. [PMID: 38261909 PMCID: PMC10796980 DOI: 10.1016/j.heliyon.2023.e23926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 01/25/2024] Open
Abstract
Non-small cell lung cancer (NSCLC) is a pervasive and challenging global health concern. This research delves into the intricate relationship between NSCLC and ACE2 expression, exploring the potential impact of COVID-19 history on this interaction. Tissue samples were meticulously gathered from a cohort of 32 NSCLC patients, 18 of whom had a documented history of COVID-19 infection. The methodology included extensive investigations, such as cell dissociation, histopathological analysis, immunohistochemistry, cell culture, adhesion assays, immunocytochemistry, RNA isolation, and RT-PCR analysis. The results of this comprehensive study unearthed intriguing findings regarding ACE2 expression patterns within NSCLC tissues. Notably, variations were observed in ACE2 profiles between individuals with and without a prior record of COVID-19 infection, hinting at a dynamic interplay. These discoveries carry profound implications for both the understanding of NSCLC progression and the response to COVID-19 in patients with pre-existing NSCLC. The interrelationship between ACE2 expression, NSCLC, and COVID-19, as revealed in this study, may significantly influence patient outcomes and, potentially, therapeutic strategies. In summary, this research serves as an essential contribution to the growing body of knowledge on NSCLC, offering unique insights into the intricate connections between ACE2, COVID-19, and NSCLC. This information may open new avenues for tailored treatment approaches and clinical management strategies, ultimately benefiting patients grappling with NSCLC in the background of the current COVID-19 pandemic.
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Affiliation(s)
- Dalia Mostafa Domiaty
- College of Science, Department of Biological Sciences, University of Jeddah, P.O. BOX 13151, Jeddah, 21493, Jeddah, Saudi Arabia
| | - Tahani Mohamed Ibrahim Al-Hazani
- Department of Biology, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, P.O. Box 83, Al-Kharj, 11940, Saudi Arabia
| | - Eman Alshehri
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Haya Zamil aldajani
- King Abdulaziz Medical City, Ministry of National Guard Affairs, Riyadh, Saudi Arabia
| | | | | | | | - Manal Abdullah Alduwish
- Department of Biology, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, P.O. Box 83, Al-Kharj, 11940, Saudi Arabia
| | - Wedad Saeed Al-Qahtani
- Department of Forensic Sciences, College of Criminal Justice, Naif Arab University for Security Sciences, P.O. Box 6830, 11452, Riyadh, Saudi Arabia
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4
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Alotaibi MA, Al-Hazani TMI, Alwaili MA, Jalal AS, Alshaya DS, Safhi FA, Alamoudi MO, Alarifi S, Saeed Al-Qahtani W. SARS-CoV-2 virus associated angiotensin converting enzyme 2 expression modulation in colorectal cancer: Insights from mRNA and protein analysis COVID-19 associated (ACE2) expression in colorectal cancer. Microb Pathog 2023; 185:106389. [PMID: 37839761 DOI: 10.1016/j.micpath.2023.106389] [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: 08/19/2023] [Revised: 10/08/2023] [Accepted: 10/09/2023] [Indexed: 10/17/2023]
Abstract
The SARS-CoV-2 virus gains entry into human cells by exploiting the angiotensin-converting enzyme 2 (ACE2), a key component known as the spike protein (S), as a point of entry. Initially, SARS-CoV-2 suppresses the natural function of ACE2, leading to a gradual decline in cell health. Additionally, individuals with cancer are considered more susceptible to COVID-19. This study investigates the expression patterns of ACE2 in colorectal cancer (CRC) patients with and without a history of COVID-19 infection. RT-PCR was used to analyze samples from both cancerous and adjacent non-affected colorectal tissues of 47 CRC patients, comprising two groups: 24 CRC patients with no history of COVID-19 and 23 CRC patients with a recent history of COVID-19 infection. Epithelial CR cells were isolated from both types of tissues and cultured to evaluate cell adhesion. Immunohistochemistry analyses were conducted to examine ACE2 protein expression using various ACE2 antibodies for both cell types. The study revealed ACE2 mRNA expression in all CRC tissues of patients with and without a history of COVID-19. ACE2 expression was significantly higher in CRC patients without a history of COVID-19. Notably, the non-affected colorectal cancer (NACRC) tissues of patients without a history of COVID-19 also showed ACE2 expression, whereas no ACE2 expression was detected in the biopsies of CRC patients with a positive COVID-19 history. ACE2 antibodies were employed to validate ACE2 protein expression at the mRNA level. COVID-19 appears to downregulate ACE2 expression in both CRC and NACRC tissues of CRC patients with a positive history of COVID-19 infection.
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Affiliation(s)
| | - Tahani Mohamed Ibrahim Al-Hazani
- Department of Biology, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, P.O. Box 83, Al-Kharj, 11940, Saudi Arabia.
| | - Maha Abdulla Alwaili
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Areej Saud Jalal
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Dalal S Alshaya
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Fatmah Ahmed Safhi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Muna O Alamoudi
- Department of Biology, Faculty of Science, University of Hail, Hail, 81411, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Wedad Saeed Al-Qahtani
- Department of Forensic Sciences, College of Criminal Justice, Naif Arab University for Security Sciences, P.O. Box 6830, Riyadh, 11452, Saudi Arabia.
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Wang Y, Jin Y, Zhang Q, Xiong Y, Gu X, Zeng S, Chen W. Research progress in delineating the pathological mechanisms of GJB2-related hearing loss. Front Cell Neurosci 2023; 17:1208406. [PMID: 37333892 PMCID: PMC10272732 DOI: 10.3389/fncel.2023.1208406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 05/15/2023] [Indexed: 06/20/2023] Open
Abstract
Hearing loss is the most common congenital sensory impairment. Mutations or deficiencies of the GJB2 gene are the most common genetic cause of congenital non-syndromic deafness. Pathological changes such as decreased potential in the cochlea, active cochlear amplification disorders, cochlear developmental disorders and macrophage activation have been observed in various GJB2 transgenic mouse models. In the past, researchers generally believed that the pathological mechanisms underlying GJB2-related hearing loss comprised a K+ circulation defect and abnormal ATP-Ca2+ signals. However, recent studies have shown that K+ circulation is rarely associated with the pathological process of GJB2-related hearing loss, while cochlear developmental disorders and oxidative stress play an important, even critical, role in the occurrence of GJB2-related hearing loss. Nevertheless, these research has not been systematically summarized. In this review, we summarize the pathological mechanisms of GJB2-related hearing loss, including aspects of K+ circulation, developmental disorders of the organ of Corti, nutrition delivery, oxidative stress and ATP-Ca2+ signals. Clarifying the pathological mechanism of GJB2-related hearing loss can help develop new prevention and treatment strategies.
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Affiliation(s)
- Yujun Wang
- Department of Intensive Care Unit, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuan Jin
- Department of Otorhinolaryngology–Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiong Zhang
- Department of Otorhinolaryngology–Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Xiong
- Department of Otorhinolaryngology–Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiang Gu
- Department of Otorhinolaryngology–Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shan Zeng
- Department of Otorhinolaryngology–Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Chen
- Department of Otorhinolaryngology–Head and Neck Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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6
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Li X, Lai Y, Lane Z, Strollo H, Tanimura K, Sembrat JC, Zou C, Myerburg MM, Rojas M, Shapiro S, Jiang Y, Nyunoya T. Cigarette smoking is a secondary cause of folliculin loss. Thorax 2023; 78:402-408. [PMID: 35301243 PMCID: PMC9612398 DOI: 10.1136/thoraxjnl-2021-217197] [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: 03/03/2021] [Accepted: 02/12/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Birt-Hogg-Dubé syndrome (BHD) is a clinical syndrome manifesting with cystic lung disease and pneumothorax. Features of BHD result from the loss-of-function mutations of the folliculin (FLCN) gene. Chronic obstructive pulmonary disease (COPD), characterised by an irreversible airflow limitation, is primarily caused by cigarette smoking. OBJECTIVE Given that COPD often shares structural features with BHD, we investigated the link between COPD, cigarette smoke (CS) exposure and FLCN expression. METHODS We measured the expression of FLCN in human COPD lungs and CS-exposed mouse lungs, as well as in CS extract (CSE)-exposed immortalised human airway epithelial cells by immunoblotting. RESULTS We found that the lung FLCN protein levels in smokers with COPD and CS exposure mice exhibit a marked decrease compared with smokers without COPD and room air exposure mice, respectively. We confirmed CS induced degradation of FLCN in immortalised human bronchial epithelial Beas-2B cells via ubiquitin proteasome system. Further, siRNA targeting FLCN enhanced CSE-induced cytotoxicity. By contrast, FLCN overexpression protected cells from CSE-induced cytotoxicity. We found that FBXO23, the ubiquitin E3 ligase subunit, specifically binds to and targets FLCN for degradation. Inhibition of ATM (ataxia-telangiectasia mutated) attenuated CSE induced FLCN degradation, suggesting a role of ATM in FLCN proteolysis. We further confirmed that the mutant of major FLCN phosphorylation site serine 62A is resistant to CSE-induced degradation and cytotoxicity. CONCLUSIONS Our study demonstrates that CS exposure is a secondary cause of FLCN deficiency due to the enhanced proteolysis, which promoted airway epithelial cell death.
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Affiliation(s)
- Xiuying Li
- Medicine, VA Pittsburgh Healthcare System University Drive Division, Pittsburgh, Pennsylvania, USA
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yandong Lai
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Zachary Lane
- Medicine, VA Pittsburgh Healthcare System University Drive Division, Pittsburgh, Pennsylvania, USA
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Hilary Strollo
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Kazuya Tanimura
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - John C Sembrat
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Chunbin Zou
- Medicine, VA Pittsburgh Healthcare System University Drive Division, Pittsburgh, Pennsylvania, USA
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Michael M Myerburg
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Mauricio Rojas
- The Ohio State University Medical Center, Columbus, Ohio, USA
| | - Steven Shapiro
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yu Jiang
- Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Toru Nyunoya
- Medicine, VA Pittsburgh Healthcare System University Drive Division, Pittsburgh, Pennsylvania, USA
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Liao S, Lin Y, Liu L, Yang S, Lin Y, He J, Shao Y. ADAM10-a "multitasker" in sepsis: focus on its posttranslational target. Inflamm Res 2023; 72:395-423. [PMID: 36565333 PMCID: PMC9789377 DOI: 10.1007/s00011-022-01673-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 07/25/2022] [Accepted: 11/30/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Sepsis has a complex pathogenesis in which the uncontrolled systemic inflammatory response triggered by infection leads to vascular barrier disruption, microcirculation dysfunction and multiple organ dysfunction syndrome. Numerous recent studies reveal that a disintegrin and metalloproteinase 10 (ADAM10) acts as a "molecular scissor" playing a pivotal role in the inflammatory response during sepsis by regulating proteolysis by cleaving various membrane protein substrates, including proinflammatory cytokines, cadherins and Notch, which are involved in intercellular communication. ADAM10 can also act as the cellular receptor for Staphylococcus aureus α-toxin, leading to lethal sepsis. However, its substrate-specific modulation and precise targets in sepsis have not yet to be elucidated. METHODS We performed a computer-based online search using PubMed and Google Scholar for published articles concerning ADAM10 and sepsis. CONCLUSIONS In this review, we focus on the functions of ADAM10 in sepsis-related complex endothelium-immune cell interactions and microcirculation dysfunction through the diversity of its substrates and its enzymatic activity. In addition, we highlight the posttranslational mechanisms of ADAM10 at specific subcellular sites, or in multimolecular complexes, which will provide the insight to intervene in the pathophysiological process of sepsis caused by ADAM10 dysregulation.
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Affiliation(s)
- Shuanglin Liao
- grid.410560.60000 0004 1760 3078The Intensive Care Unit, The First Dongguan Affiliated Hospital, Guangdong Medical University, Jiaoping Road 42, Tangxia Town, Dongguan, 523710 Guangdong China
| | - Yao Lin
- The Key Laboratory of Organ Dysfunction and Protection Translational Medicine, Jieyang Medical Research Center, Jieyang People’s Hospital, Tianfu Road 107, Rongcheng District, Jieyang, 522000 Guangdong China
| | - Lizhen Liu
- grid.410560.60000 0004 1760 3078The Intensive Care Unit, The First Dongguan Affiliated Hospital, Guangdong Medical University, Jiaoping Road 42, Tangxia Town, Dongguan, 523710 Guangdong China
| | - Shuai Yang
- grid.410560.60000 0004 1760 3078The Intensive Care Unit, The First Dongguan Affiliated Hospital, Guangdong Medical University, Jiaoping Road 42, Tangxia Town, Dongguan, 523710 Guangdong China
| | - YingYing Lin
- The Key Laboratory of Organ Dysfunction and Protection Translational Medicine, Jieyang Medical Research Center, Jieyang People’s Hospital, Tianfu Road 107, Rongcheng District, Jieyang, 522000 Guangdong China
| | - Junbing He
- The Key Laboratory of Organ Dysfunction and Protection Translational Medicine, Jieyang Medical Research Center, Jieyang People’s Hospital, Tianfu Road 107, Rongcheng District, Jieyang, 522000 Guangdong China
| | - Yiming Shao
- grid.410560.60000 0004 1760 3078The Intensive Care Unit, The First Dongguan Affiliated Hospital, Guangdong Medical University, Jiaoping Road 42, Tangxia Town, Dongguan, 523710 Guangdong China
- grid.410560.60000 0004 1760 3078The Key Laboratory of Sepsis Translational Medicine, Guangdong Medical University, Zhanjiang, Guangdong China
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Tetraspanin-5-mediated MHC class I clustering is required for optimal CD8 T cell activation. Proc Natl Acad Sci U S A 2022; 119:e2122188119. [PMID: 36215490 PMCID: PMC9586303 DOI: 10.1073/pnas.2122188119] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
MHC molecules are not randomly distributed on the plasma membrane but instead are present in discrete nanoclusters. The mechanisms that control formation of MHC I nanoclusters and the importance of such structures are incompletely understood. Here, we report a molecular association between tetraspanin-5 (Tspan5) and MHC I molecules that started in the endoplasmic reticulum and was maintained on the plasma membrane. This association was observed both in mouse dendritic cells and in human cancer cell lines. Loss of Tspan5 reduced the size of MHC I clusters without affecting MHC I peptide loading, delivery of complexes to the plasma membrane, or overall surface MHC I levels. Functionally, CD8 T cell responses to antigen presented by Tspan5-deficient dendritic cells were impaired but were restored by antibody-induced reclustering of MHC I molecules. In contrast, Tspan5 did not associate with two other plasma membrane proteins, Flotillin1 and CD55, with or the endoplasmic reticulum proteins Tapasin and TAP. Thus, our findings identify a mechanism underlying the clustering of MHC I molecules that is important for optimal T cell responses.
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9
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ADAM-10 Regulates MMP-12 during Lipopolysaccharide-Induced Inflammatory Response in Macrophages. J Immunol Res 2022; 2022:3012218. [PMID: 36157882 PMCID: PMC9507754 DOI: 10.1155/2022/3012218] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/20/2022] [Indexed: 11/17/2022] Open
Abstract
A disintegrin and metalloprotease 10 (ADAM-10), a member of the ADAM protease family, has biological activities related to TNF-α activation, cell adhesion, and migration, among other functions. Macrophages are important immune cells that are involved in the inflammatory response of the body. ADAM-10 is involved in inflammatory responses, but the specific regulatory mechanisms are not fully understood. In this study, we investigated the regulatory mechanism of ADAM-10 in the lipopolysaccharide-promoted proliferation (LPS) of the macrophage inflammatory response. Differentially expressed or regulated proteins were identified in interfered ADAM-10 (sh ADAM-10) macrophages using tandem mass tag (TMT) proteomics. The changes and regulatory role of ADAM-10 during LPS-induced inflammatory response in normal, interfering, and overexpressing ADAM-10 (EX ADAM-10) cells were determined. Results indicated that ADAM-10 interference affected inflammation-related pathways and reduced matrix metalloproteinase 12 (MMP-12) protein levels, as identified by TMT proteomics. In normal cells, LPS decreased ADAM-10 gene expression, but promoted ADAM-10 secretion, MMP-12 and TNF-α gene expression, and MMP-12, iNOS, IL-10, and cyclinD1 protein expression. Additionally, ADAM-10 knockdown decreased macrophage viability in sh-ADAM-10 cells. Moreover, an MMP-12 inhibitor had no impact on the viability effect of LPS on cells or the expression of ADAM-10. iNOS expression decreased, whereas IL-10 expression increased after ADAM-10 depletion. ADAM-10 knockdown decreased MMP-12, iNOS, TNF-α, IL-1β, and FKN, while overexpression had an opposite effect. ADAM-10 overexpression further increased MMP-12, iNOS, and TNF-α gene expression in response to LPS. Cell viability was increased in EX ADAM-10 cells, and ADAM-10 secretion was further increased in the EX and LPS groups. Flow cytometry and immunofluorescence staining revealed that EX-ADAM 10 cells had increased iNOS expression, which acted as an IL-6 expression driver. In summary, we found that ADAM-10 is activated by LPS and positively participates in LPS-stimulated macrophage inflammatory responses by positively regulating MMP-12 during the inflammatory process.
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10
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Gonzales JA, Takhar JS, Joye A, Acharya NR, Chen C, Hinterwirth A, Doan T. Peripheral Blood Transcriptome in Patients with Sarcoidosis-Associated Uveitis. Ocul Immunol Inflamm 2022; 30:1074-1077. [PMID: 33661066 PMCID: PMC9993430 DOI: 10.1080/09273948.2020.1861306] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE To identify peripheral blood transcriptome differences in uveitis patients with sarcoidosis compared to those with Vogt-Koyanagi-Harada (VKH) syndrome and controls. METHODS Ten patients with uveitis compatible with sarcoidosis (eight with pulmonary sarcoidosis, one with central nervous system sarcoidosis, and one with conjunctival sarcoidosis), nine patients with VKH, and nine healthy controls were prospectively enrolled. RESULTS Ten genes exhibited a four-fold difference in expression in sarcoidosis patients compared to controls, many being involved in regulating inflammatory processes or cellular responses to microbes. CONCLUSIONS This research suggests that the transcriptome in sarcoidosis is robust enough to be detected in the peripheral blood and that sarcoidosis can be distinguished from healthy controls. Differentially expressed genes may serve as candidates warranting further investigation with respect to disease pathophysiology and may provide additional information, such as ability to stratify patients based on associated disease severity and anatomical location of inflammation within the eye.
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Affiliation(s)
- John A Gonzales
- Francis I. Proctor Foundation, University of California, San Francisco, California, USA.,Department of Ophthalmology, University of California, San Francisco, California, USA
| | - Jaskirat S Takhar
- Francis I. Proctor Foundation, University of California, San Francisco, California, USA.,John Burns Medical School, University of Hawaii, Honolulu, Hawaii, USA
| | - Ashlin Joye
- Francis I. Proctor Foundation, University of California, San Francisco, California, USA
| | - Nisha R Acharya
- Francis I. Proctor Foundation, University of California, San Francisco, California, USA.,Department of Ophthalmology, University of California, San Francisco, California, USA
| | - Cindi Chen
- Francis I. Proctor Foundation, University of California, San Francisco, California, USA
| | - Armin Hinterwirth
- Francis I. Proctor Foundation, University of California, San Francisco, California, USA
| | - Thuy Doan
- Francis I. Proctor Foundation, University of California, San Francisco, California, USA.,Department of Ophthalmology, University of California, San Francisco, California, USA
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11
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Kang SW, Kang SW, Ban JY, Park MS. Identification of Multiple Hub Genes in Acute Kidney Injury after Kidney Transplantation by Bioinformatics Analysis. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:681. [PMID: 35630098 PMCID: PMC9145685 DOI: 10.3390/medicina58050681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 11/21/2022]
Abstract
Background and Objectives: The molecular mechanisms of the development of acute kidney injury (AKI) after kidney transplantation are not yet clear. The aim of this study was to confirm the genes and mechanisms related to AKI after transplantation. Materials and Methods: To investigate potential genetic targets for AKI, an analysis of the gene expression omnibus database was used to identify key genes and pathways. After identification of differentially expressed genes, Kyoto Encyclopedia of Genes and Genome pathway enrichment analyses were performed. We identified the hub genes and established the protein-protein interaction network. Results: Finally, we identified 137 differentially expressed genes (59 upregulated genes and 16 downregulated genes). AKAP12, AMOT, C3AR1, LY96, PIK3AP1, PLCD4, PLCG2, TENM2, TLR2, and TSPAN5 were filtrated by the hub genes related to the development of post-transplant AKI from the Protein-Protein Interaction (PPI) network. Conclusions: This may provide important evidence of the diagnostic and therapeutic biomarker of AKI.
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Affiliation(s)
- Sang-Wook Kang
- Department of Oral and Maxillofacial Pathology, School of Dentistry, Kyung Hee University, Seoul 02447, Korea;
| | - Sung-Wook Kang
- Neuroscience Center of Excellence, Louisiana State University School of Medicine, New Orleans, LA 70112, USA;
| | - Ju-Yeon Ban
- Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan 31116, Korea
| | - Min-Su Park
- Department of Surgery, School of Medicine, Kyung Hee University, Seoul 02447, Korea
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12
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Chowdhury RR, D’Addabbo J, Huang X, Veizades S, Sasagawa K, Louis DM, Cheng P, Sokol J, Jensen A, Tso A, Shankar V, Wendel BS, Bakerman I, Liang G, Koyano T, Fong R, Nau A, Ahmad H, Gopakumar JK, Wirka R, Lee A, Boyd J, Joseph Woo Y, Quertermous T, Gulati G, Jaiswal S, Chien YH, Chan C, Davis MM, Nguyen PK. Human Coronary Plaque T Cells Are Clonal and Cross-React to Virus and Self. Circ Res 2022; 130:1510-1530. [PMID: 35430876 PMCID: PMC9286288 DOI: 10.1161/circresaha.121.320090] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Coronary artery disease is an incurable, life-threatening disease that was once considered primarily a disorder of lipid deposition. Coronary artery disease is now also characterized by chronic inflammation' notable for the buildup of atherosclerotic plaques containing immune cells in various states of activation and differentiation. Understanding how these immune cells contribute to disease progression may lead to the development of novel therapeutic strategies. METHODS We used single-cell technology and in vitro assays to interrogate the immune microenvironment of human coronary atherosclerotic plaque at different stages of maturity. RESULTS In addition to macrophages, we found a high proportion of αβ T cells in the coronary plaques. Most of these T cells lack high expression of CCR7 and L-selectin, indicating that they are primarily antigen-experienced memory cells. Notably, nearly one-third of these cells express the HLA-DRA surface marker, signifying activation through their TCRs (T-cell receptors). Consistent with this, TCR repertoire analysis confirmed the presence of activated αβ T cells (CD4<CD8), exhibiting clonal expansion of specific TCRs. Interestingly, we found that these plaque T cells had TCRs specific for influenza, coronavirus, and other viral epitopes, which share sequence homologies to proteins found on smooth muscle cells and endothelial cells, suggesting potential autoimmune-mediated T-cell activation in the absence of active infection. To better understand the potential function of these activated plaque T cells, we then interrogated their transcriptome at the single-cell level. Of the 3 T-cell phenotypic clusters with the highest expression of the activation marker HLA-DRA, 2 clusters expressed a proinflammatory and cytolytic signature characteristic of CD8 cells, while the other expressed AREG (amphiregulin), which promotes smooth muscle cell proliferation and fibrosis, and, thus, contributes to plaque progression. CONCLUSIONS Taken together, these findings demonstrate that plaque T cells are clonally expanded potentially by antigen engagement, are potentially reactive to self-epitopes, and may interact with smooth muscle cells and macrophages in the plaque microenvironment.
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Affiliation(s)
- Roshni Roy Chowdhury
- Department of Microbiology and Immunology, Stanford University
- Department of Medicine (Section of Genetic Medicine), University of Chicago
| | - Jessica D’Addabbo
- Department of Medicine (Cardiovascular Medicine), Stanford University
| | - Xianxi Huang
- The First Affiliated Hospital of Shantou University Medical College
- Stanford Cardiovascular Institute, Stanford University
| | - Stefan Veizades
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
- Edinburgh Medical School, United Kingdom
| | - Koki Sasagawa
- Department of Medicine (Cardiovascular Medicine), Stanford University
| | | | - Paul Cheng
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
| | - Jan Sokol
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
| | - Annie Jensen
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
- Institute for Immunity, Transplantation and Infection, Stanford University
| | - Alexandria Tso
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
- Institute for Immunity, Transplantation and Infection, Stanford University
| | - Vishnu Shankar
- Institute for Immunity, Transplantation and Infection, Stanford University
| | - Ben Shogo Wendel
- Institute for Immunity, Transplantation and Infection, Stanford University
| | - Isaac Bakerman
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
| | - Grace Liang
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
| | - Tiffany Koyano
- Department of Cardiothoracic Surgery, Stanford University
| | - Robyn Fong
- Department of Cardiothoracic Surgery, Stanford University
| | - Allison Nau
- Department of Microbiology and Immunology, Stanford University
| | - Herra Ahmad
- Department of Pathology, Stanford University
| | | | - Robert Wirka
- Department of Medicine (Cardiovascular Medicine), Stanford University
| | - Andrew Lee
- Stanford Cardiovascular Institute, Stanford University
- Department of Pathology, Stanford University
- Institute for Cancer Research, Shenzhen Bay Laboratory, Shenzhen, 518055, China
| | - Jack Boyd
- Department of Surgery, Stanford University
| | | | - Thomas Quertermous
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
| | - Gunsagar Gulati
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University
| | | | - Yueh-Hsiu Chien
- Department of Microbiology and Immunology, Stanford University
| | - Charles Chan
- Stanford Cardiovascular Institute, Stanford University
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University
| | - Mark M. Davis
- Department of Microbiology and Immunology, Stanford University
- Edinburgh Medical School, United Kingdom
- Howard Hughes Medical Institute, Stanford University
| | - Patricia K. Nguyen
- Department of Medicine (Cardiovascular Medicine), Stanford University
- Stanford Cardiovascular Institute, Stanford University
- Institute for Immunity, Transplantation and Infection, Stanford University
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13
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Osman IO, Garrec C, de Souza GAP, Zarubica A, Belhaouari DB, Baudoin JP, Lepidi H, Mege JL, Malissen B, Scola BL, Devaux CA. Control of CDH1/E-Cadherin Gene Expression and Release of a Soluble Form of E-Cadherin in SARS-CoV-2 Infected Caco-2 Intestinal Cells: Physiopathological Consequences for the Intestinal Forms of COVID-19. Front Cell Infect Microbiol 2022; 12:798767. [PMID: 35601094 PMCID: PMC9114883 DOI: 10.3389/fcimb.2022.798767] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 03/22/2022] [Indexed: 12/19/2022] Open
Abstract
COVID-19 is the biggest pandemic the world has seen this century. Alongside the respiratory damage observed in patients with severe forms of the disease, gastrointestinal symptoms have been frequently reported. These symptoms (e.g., diarrhoea), sometimes precede the development of respiratory tract illnesses, as if the digestive tract was a major target during early SARS-CoV-2 dissemination. We hypothesize that in patients carrying intestinal SARS-CoV-2, the virus may trigger epithelial barrier damage through the disruption of E-cadherin (E-cad) adherens junctions, thereby contributing to the overall gastrointestinal symptoms of COVID-19. Here, we use an intestinal Caco-2 cell line of human origin which expresses the viral receptor/co-receptor as well as the membrane anchored cell surface adhesion protein E-cad to investigate the expression of E-cad after exposure to SARS-CoV-2. We found that the expression of CDH1/E-cad mRNA was significantly lower in cells infected with SARS-CoV-2 at 24 hours post-infection, compared to virus-free Caco-2 cells. The viral receptor ACE2 mRNA expression was specifically down-regulated in SARS-CoV-2-infected Caco-2 cells, while it remained stable in HCoV-OC43-infected Caco-2 cells, a virus which uses HLA class I instead of ACE2 to enter cells. It is worth noting that SARS-CoV-2 induces lower transcription of TMPRSS2 (involved in viral entry) and higher expression of B0AT1 mRNA (that encodes a protein known to co-express with ACE2 on intestinal cells). At 48 hours post-exposure to the virus, we also detected a small but significant increase of soluble E-cad protein (sE-cad) in the culture supernatant of SARS-CoV-2-infected Caco-2 cells. The increase of sE-cad release was also found in the intestinal HT29 cell line when infected by SARS-CoV-2. Beside the dysregulation of E-cad, SARS-CoV-2 infection of Caco-2 cells also leads to the dysregulation of other cell adhesion proteins (occludin, JAMA-A, zonulin, connexin-43 and PECAM-1). Taken together, these results shed light on the fact that infection of Caco-2 cells with SARS-CoV-2 affects tight-, adherens-, and gap-junctions. Moreover, intestinal tissues damage was associated to the intranasal SARS-CoV-2 infection in human ACE2 transgenic mice.
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Affiliation(s)
- Ikram Omar Osman
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
- Aix-Marseille Université, Marseille, France
| | - Clémence Garrec
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
- Aix-Marseille Université, Marseille, France
| | - Gabriel Augusto Pires de Souza
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
| | - Ana Zarubica
- Centre d’Immunophénomique (CIPHE), Aix Marseille Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS), CELPHEDIA, PHENOMIN, Marseille, France
| | - Djamal Brahim Belhaouari
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
- Aix-Marseille Université, Marseille, France
| | - Jean-Pierre Baudoin
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
| | - Hubert Lepidi
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
- Assitance Publique Hôpitaux de Marseille (APHM), Marseille, France
| | - Jean-Louis Mege
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
- Aix-Marseille Université, Marseille, France
- Assitance Publique Hôpitaux de Marseille (APHM), Marseille, France
| | - Bernard Malissen
- Centre d’Immunophénomique (CIPHE), Aix Marseille Université, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS), CELPHEDIA, PHENOMIN, Marseille, France
| | - Bernard La Scola
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
| | - Christian Albert Devaux
- Microbes Evolution Phylogeny and Infections (MEPHI), Institut de recherche pour le Développement (IRD), Assistance Publique Hôpitaux de Marseille (APHM), Institut Hospitalo-Universitaire (IHU)-Méditerranée Infection, Marseille, France
- Aix-Marseille Université, Marseille, France
- Centre National de la Recherche Scientifique (CNRS), Marseille, France
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14
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The role of A Disintegrin and Metalloproteinase (ADAM)-10 in T helper cell biology. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119192. [PMID: 34982961 DOI: 10.1016/j.bbamcr.2021.119192] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 12/14/2022]
Abstract
A Disintegrin and Metalloproteinases (ADAM)-10 is a member of a family of membrane-anchored proteinases that regulate a broad range of cellular functions with central roles within the immune system. This has spurred the interest to modulate ADAM activity therapeutically in immunological diseases. CD4 T helper (Th) cells are the key regulators of adaptive immune responses. Their development and function is strongly dependent on Notch, a key ADAM-10 substrate. However, Th cells rely on a variety of additional ADAM-10 substrates regulating their functional activity at multiple levels. The complexity of both, the ADAM substrate expression as well as the functional consequences of ADAM-mediated cleavage of the various substrates complicates the analysis of cell type specific effects. Here we provide an overview on the major ADAM-10 substrates relevant for CD4 T cell biology and discuss the potential effects of ADAM-mediated cleavage exemplified for a selection of important substrates.
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15
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Gibson JF, Bojarczuk A, Evans RJ, Kamuyango AA, Hotham R, Lagendijk AK, Hogan BM, Ingham PW, Renshaw SA, Johnston SA. Blood vessel occlusion by Cryptococcus neoformans is a mechanism for haemorrhagic dissemination of infection. PLoS Pathog 2022; 18:e1010389. [PMID: 35446924 PMCID: PMC9022829 DOI: 10.1371/journal.ppat.1010389] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/21/2022] [Indexed: 11/18/2022] Open
Abstract
Meningitis caused by infectious pathogens is associated with vessel damage and infarct formation, however the physiological cause is often unknown. Cryptococcus neoformans is a human fungal pathogen and causative agent of cryptococcal meningitis, where vascular events are observed in up to 30% of patients, predominantly in severe infection. Therefore, we aimed to investigate how infection may lead to vessel damage and associated pathogen dissemination using a zebrafish model that permitted noninvasive in vivo imaging. We find that cryptococcal cells become trapped within the vasculature (dependent on their size) and proliferate there resulting in vasodilation. Localised cryptococcal growth, originating from a small number of cryptococcal cells in the vasculature was associated with sites of dissemination and simultaneously with loss of blood vessel integrity. Using a cell-cell junction tension reporter we identified dissemination from intact blood vessels and where vessel rupture occurred. Finally, we manipulated blood vessel tension via cell junctions and found increased tension resulted in increased dissemination. Our data suggest that global vascular vasodilation occurs following infection, resulting in increased vessel tension which subsequently increases dissemination events, representing a positive feedback loop. Thus, we identify a mechanism for blood vessel damage during cryptococcal infection that may represent a cause of vascular damage and cortical infarction during cryptococcal meningitis. Meningitis is a life threatening form of infection in the brain that is difficult to treat. How infection spreads from the blood to cause meningitis is not well understood. Here we have shown how infection with the fungus Cryptococcus neoformans can be spread from the blood by blocking and bursting blood vessels. Using zebrafish larvae, we were able to follow the same infections over a period of days to understand how this infection behaves in blood vessels. We found that fungal cells become stuck within blood vessels depending on their size. These cells grow within blood vessels, resulting in the blood vessels becoming wider. We measured increased tension in blood vessels suggesting that, with the bloackage and widening of vessels, there was increased local blood pressure. We found that vessel blockage was associated with their rupture and spreading of fungus into the surround tissue. Finally, by increasing the tension in vessels we could increase the number of blood bursting events supporting our conclusion that blood vessel blockage leads to the spread of the infection outside of blood vessels.
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Affiliation(s)
- Josie F. Gibson
- Department of Infection, Immunity and Cardiovascular disease, Bateson Centre and Florey Institute, University of Sheffield, United Kingdom
- Institute of Molecular and Cell Biology, Agency of Science, Technology and Research (A-Star), Singapore
| | - Aleksandra Bojarczuk
- Department of Infection, Immunity and Cardiovascular disease, Bateson Centre and Florey Institute, University of Sheffield, United Kingdom
- Faculty of Physical Education, Gdansk University of Physical Education and Sport, Gdansk, Poland
| | - Robert J. Evans
- Department of Infection, Immunity and Cardiovascular disease, Bateson Centre and Florey Institute, University of Sheffield, United Kingdom
| | - Alfred Alinafe Kamuyango
- Department of Infection, Immunity and Cardiovascular disease, Bateson Centre and Florey Institute, University of Sheffield, United Kingdom
| | - Richard Hotham
- Department of Infection, Immunity and Cardiovascular disease, Bateson Centre and Florey Institute, University of Sheffield, United Kingdom
| | - Anne K. Lagendijk
- Division of Genomics of Development and Disease, Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Benjamin M. Hogan
- Division of Genomics of Development and Disease, Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Philip W. Ingham
- Institute of Molecular and Cell Biology, Agency of Science, Technology and Research (A-Star), Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Stephen A. Renshaw
- Department of Infection, Immunity and Cardiovascular disease, Bateson Centre and Florey Institute, University of Sheffield, United Kingdom
| | - Simon A. Johnston
- Department of Infection, Immunity and Cardiovascular disease, Bateson Centre and Florey Institute, University of Sheffield, United Kingdom
- * E-mail:
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16
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Koo CZ, Matthews AL, Harrison N, Szyroka J, Nieswandt B, Gardiner EE, Poulter NS, Tomlinson MG. The Platelet Collagen Receptor GPVI Is Cleaved by Tspan15/ADAM10 and Tspan33/ADAM10 Molecular Scissors. Int J Mol Sci 2022; 23:2440. [PMID: 35269584 PMCID: PMC8910667 DOI: 10.3390/ijms23052440] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/13/2022] [Accepted: 02/14/2022] [Indexed: 02/01/2023] Open
Abstract
The platelet-activating collagen receptor GPVI represents the focus of clinical trials as an antiplatelet target for arterial thrombosis, and soluble GPVI is a plasma biomarker for several human diseases. A disintegrin and metalloproteinase 10 (ADAM10) acts as a 'molecular scissor' that cleaves the extracellular region from GPVI and many other substrates. ADAM10 interacts with six regulatory tetraspanin membrane proteins, Tspan5, Tspan10, Tspan14, Tspan15, Tspan17 and Tspan33, which are collectively termed the TspanC8s. These are emerging as regulators of ADAM10 substrate specificity. Human platelets express Tspan14, Tspan15 and Tspan33, but which of these regulates GPVI cleavage remains unknown. To address this, CRISPR/Cas9 knockout human cell lines were generated to show that Tspan15 and Tspan33 enact compensatory roles in GPVI cleavage, with Tspan15 bearing the more important role. To investigate this mechanism, a series of Tspan15 and GPVI mutant expression constructs were designed. The Tspan15 extracellular region was found to be critical in promoting GPVI cleavage, and appeared to achieve this by enabling ADAM10 to access the cleavage site at a particular distance above the membrane. These findings bear implications for the regulation of cleavage of other ADAM10 substrates, and provide new insights into post-translational regulation of the clinically relevant GPVI protein.
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Affiliation(s)
- Chek Ziu Koo
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (C.Z.K.); (A.L.M.); (N.H.); (J.S.)
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, UK;
| | - Alexandra L. Matthews
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (C.Z.K.); (A.L.M.); (N.H.); (J.S.)
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, UK;
| | - Neale Harrison
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (C.Z.K.); (A.L.M.); (N.H.); (J.S.)
| | - Justyna Szyroka
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (C.Z.K.); (A.L.M.); (N.H.); (J.S.)
| | - Bernhard Nieswandt
- Institute of Experimental Biomedicine I, University Hospital and Rudolf Virchow Center Würzburg, University of Würzburg, D-97080 Würzburg, Germany;
| | - Elizabeth E. Gardiner
- Division of Genome Science and Cancer, John Curtin School of Medical Research, Australian National University, Canberra ACT 2601, Australia;
| | - Natalie S. Poulter
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, UK;
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham B15 2TT, UK
| | - Michael G. Tomlinson
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (C.Z.K.); (A.L.M.); (N.H.); (J.S.)
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, UK;
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17
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Becic A, Leifeld J, Shaukat J, Hollmann M. Tetraspanins as Potential Modulators of Glutamatergic Synaptic Function. Front Mol Neurosci 2022; 14:801882. [PMID: 35046772 PMCID: PMC8761850 DOI: 10.3389/fnmol.2021.801882] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/07/2021] [Indexed: 12/16/2022] Open
Abstract
Tetraspanins (Tspans) comprise a membrane protein family structurally defined by four transmembrane domains and intracellular N and C termini that is found in almost all cell types and tissues of eukaryotes. Moreover, they are involved in a bewildering multitude of diverse biological processes such as cell adhesion, motility, protein trafficking, signaling, proliferation, and regulation of the immune system. Beside their physiological roles, they are linked to many pathophysiological phenomena, including tumor progression regulation, HIV-1 replication, diabetes, and hepatitis. Tetraspanins are involved in the formation of extensive protein networks, through interactions not only with themselves but also with numerous other specific proteins, including regulatory proteins in the central nervous system (CNS). Interestingly, recent studies showed that Tspan7 impacts dendritic spine formation, glutamatergic synaptic transmission and plasticity, and that Tspan6 is correlated with epilepsy and intellectual disability (formerly known as mental retardation), highlighting the importance of particular tetraspanins and their involvement in critical processes in the CNS. In this review, we summarize the current knowledge of tetraspanin functions in the brain, with a particular focus on their impact on glutamatergic neurotransmission. In addition, we compare available resolved structures of tetraspanin family members to those of auxiliary proteins of glutamate receptors that are known for their modulatory effects.
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18
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ADAM and ADAMTS disintegrin and metalloproteinases as major factors and molecular targets in vascular malfunction and disease. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2022; 94:255-363. [PMID: 35659374 PMCID: PMC9231755 DOI: 10.1016/bs.apha.2021.11.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A Disintegrin and Metalloproteinase (ADAM) and A Disintegrin and Metalloproteinase with Thrombospondin Motifs (ADAMTS) are two closely related families of proteolytic enzymes. ADAMs are largely membrane-bound enzymes that act as molecular scissors or sheddases of membrane-bound proteins, growth factors, cytokines, receptors and ligands, whereas ADAMTS are mainly secreted enzymes. ADAMs have a pro-domain, and a metalloproteinase, disintegrin, cysteine-rich and transmembrane domain. Similarly, ADAMTS family members have a pro-domain, and a metalloproteinase, disintegrin, and cysteine-rich domain, but instead of a transmembrane domain they have thrombospondin motifs. Most ADAMs and ADAMTS are activated by pro-protein convertases, and can be regulated by G-protein coupled receptor agonists, Ca2+ ionophores and protein kinase C. Activated ADAMs and ADAMTS participate in numerous vascular processes including angiogenesis, vascular smooth muscle cell proliferation and migration, vascular cell apoptosis, cell survival, tissue repair, and wound healing. ADAMs and ADAMTS also play a role in vascular malfunction and cardiovascular diseases such as hypertension, atherosclerosis, coronary artery disease, myocardial infarction, heart failure, peripheral artery disease, and vascular aneurysm. Decreased ADAMTS13 is involved in thrombotic thrombocytopenic purpura and microangiopathies. The activity of ADAMs and ADAMTS can be regulated by endogenous tissue inhibitors of metalloproteinases and other synthetic small molecule inhibitors. ADAMs and ADAMTS can be used as diagnostic biomarkers and molecular targets in cardiovascular disease, and modulators of ADAMs and ADAMTS activity may provide potential new approaches for the management of cardiovascular disorders.
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19
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Cordes S, Mokhtari Z, Bartosova M, Mertlitz S, Riesner K, Shi Y, Mengwasser J, Kalupa M, McGeary A, Schleifenbaum J, Schrezenmeier J, Bullinger L, Diaz-Ricart M, Palomo M, Carrreras E, Beutel G, Schmitt CP, Beilhack A, Penack O. Endothelial damage and dysfunction in acute graft-versus-host disease. Haematologica 2021; 106:2147-2160. [PMID: 32675225 PMCID: PMC8327719 DOI: 10.3324/haematol.2020.253716] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Indexed: 12/20/2022] Open
Abstract
Clinical studies suggested that endothelial dysfunction and damage could be involved in the development and severity of acute graft-versus-host disease (aGVHD). Accordingly, we found increased percentage of apoptotic Casp3+ blood vessels in duodenal and colonic mucosa biopsies of patients with severe aGVHD. In murine experimental aGVHD, we detected severe microstructural endothelial damage and reduced endothelial pericyte coverage accompanied by reduced expression of endothelial tight junction proteins leading to increased endothelial leakage in aGVHD target organs. During intestinal aGVHD, colonic vasculature structurally changed, reflected by increased vessel branching and vessel diameter. Because recent data demonstrated an association of endothelium-related factors and steroid refractory aGVHD (SR-aGVHD), we analyzed human biopsies and murine tissues from SR-aGVHD. We found extensive tissue damage but low levels of alloreactive T cell infiltration in target organs, providing the rationale for T-cell independent SR-aGVHD treatment strategies. Consequently, we tested the endothelium-protective PDE5 inhibitor sildenafil, which reduced apoptosis and improved metabolic activity of endothelial cells in vitro. Accordingly, sildenafil treatment improved survival and reduced target organ damage during experimental SR-aGVHD. Our results demonstrate extensive damage, structural changes, and dysfunction of the vasculature during aGVHD. Therapeutic intervention by endothelium-protecting agents is an attractive approach for SR-aGVHD complementing current anti-inflammatory treatment options.
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Affiliation(s)
| | | | | | | | | | - Yu Shi
- Charité Universitätsmedizin Berlin
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20
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Harrison N, Koo CZ, Tomlinson MG. Regulation of ADAM10 by the TspanC8 Family of Tetraspanins and Their Therapeutic Potential. Int J Mol Sci 2021; 22:ijms22136707. [PMID: 34201472 PMCID: PMC8268256 DOI: 10.3390/ijms22136707] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/19/2022] Open
Abstract
The ubiquitously expressed transmembrane protein a disintegrin and metalloproteinase 10 (ADAM10) functions as a “molecular scissor”, by cleaving the extracellular regions from its membrane protein substrates in a process termed ectodomain shedding. ADAM10 is known to have over 100 substrates including Notch, amyloid precursor protein, cadherins, and growth factors, and is important in health and implicated in diseases such as cancer and Alzheimer’s. The tetraspanins are a superfamily of membrane proteins that interact with specific partner proteins to regulate their intracellular trafficking, lateral mobility, and clustering at the cell surface. We and others have shown that ADAM10 interacts with a subgroup of six tetraspanins, termed the TspanC8 subgroup, which are closely related by protein sequence and comprise Tspan5, Tspan10, Tspan14, Tspan15, Tspan17, and Tspan33. Recent evidence suggests that different TspanC8/ADAM10 complexes have distinct substrates and that ADAM10 should not be regarded as a single scissor, but as six different TspanC8/ADAM10 scissor complexes. This review discusses the published evidence for this “six scissor” hypothesis and the therapeutic potential this offers.
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Affiliation(s)
- Neale Harrison
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (N.H.); (C.Z.K.)
| | - Chek Ziu Koo
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (N.H.); (C.Z.K.)
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands, UK
| | - Michael G. Tomlinson
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK; (N.H.); (C.Z.K.)
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands, UK
- Correspondence: ; Tel.: +44-(0)121-414-2507
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21
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Pezhman L, Tahrani A, Chimen M. Dysregulation of Leukocyte Trafficking in Type 2 Diabetes: Mechanisms and Potential Therapeutic Avenues. Front Cell Dev Biol 2021; 9:624184. [PMID: 33692997 PMCID: PMC7937619 DOI: 10.3389/fcell.2021.624184] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 02/04/2021] [Indexed: 12/18/2022] Open
Abstract
Type 2 Diabetes Mellitus (T2DM) is a chronic inflammatory disorder that is characterized by chronic hyperglycemia and impaired insulin signaling which in addition to be caused by common metabolic dysregulations, have also been associated to changes in various immune cell number, function and activation phenotype. Obesity plays a central role in the development of T2DM. The inflammation originating from obese adipose tissue develops systemically and contributes to insulin resistance, beta cell dysfunction and hyperglycemia. Hyperglycemia can also contribute to chronic, low-grade inflammation resulting in compromised immune function. In this review, we explore how the trafficking of innate and adaptive immune cells under inflammatory condition is dysregulated in T2DM. We particularly highlight the obesity-related accumulation of leukocytes in the adipose tissue leading to insulin resistance and beta-cell dysfunction and resulting in hyperglycemia and consequent changes of adhesion and migratory behavior of leukocytes in different vascular beds. Thus, here we discuss how potential therapeutic targeting of leukocyte trafficking could be an efficient way to control inflammation as well as diabetes and its vascular complications.
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Affiliation(s)
- Laleh Pezhman
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Abd Tahrani
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, United Kingdom.,University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
| | - Myriam Chimen
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
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22
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Morsing SKH, Rademakers T, Brouns SLN, van Stalborch AMD, Donners MMPC, van Buul JD. ADAM10-Mediated Cleavage of ICAM-1 Is Involved in Neutrophil Transendothelial Migration. Cells 2021; 10:cells10020232. [PMID: 33504031 PMCID: PMC7911467 DOI: 10.3390/cells10020232] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 01/12/2021] [Accepted: 01/19/2021] [Indexed: 01/24/2023] Open
Abstract
To efficiently cross the endothelial barrier during inflammation, neutrophils first firmly adhere to the endothelial surface using the endothelial adhesion molecule ICAM-1. Upon actual transmigration, the release from ICAM-1 is required. While Integrin LFA1/Mac1 de-activation is one described mechanism that leads to this, direct cleavage of ICAM-1 from the endothelium represents a second option. We found that a disintegrin and metalloprotease 10 (ADAM10) cleaves the extracellular domain of ICAM-1 from the endothelial surface. Silencing or inhibiting endothelial ADAM10 impaired the efficiency of neutrophils to cross the endothelium, suggesting that neutrophils use endothelial ADAM10 to dissociate from ICAM-1. Indeed, when measuring transmigration kinetics, neutrophils took almost twice as much time to finish the diapedesis step when ADAM10 was silenced. Importantly, we found increased levels of ICAM-1 on the transmigrating neutrophils when crossing an endothelial monolayer where such increased levels were not detected when neutrophils crossed bare filters. Using ICAM-1-GFP-expressing endothelial cells, we show that ICAM-1 presence on the neutrophils can also occur by membrane transfer from the endothelium to the neutrophil. Based on these findings, we conclude that endothelial ADAM10 contributes in part to neutrophil transendothelial migration by cleaving ICAM-1, thereby supporting the release of neutrophils from the endothelium during the final diapedesis step.
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Affiliation(s)
- Sofia K. H. Morsing
- Molecular Cell Biology Lab, Department Molecular and Cellular Homeostasis, Sanquin Research and Landsteiner Laboratory, University of Amsterdam, Plesmanlaan 125, 1066 CX Amsterdam, The Netherlands; (S.K.H.M.); (T.R.); (S.L.N.B.); (A.-M.D.v.S.)
| | - Timo Rademakers
- Molecular Cell Biology Lab, Department Molecular and Cellular Homeostasis, Sanquin Research and Landsteiner Laboratory, University of Amsterdam, Plesmanlaan 125, 1066 CX Amsterdam, The Netherlands; (S.K.H.M.); (T.R.); (S.L.N.B.); (A.-M.D.v.S.)
| | - Sanne L. N. Brouns
- Molecular Cell Biology Lab, Department Molecular and Cellular Homeostasis, Sanquin Research and Landsteiner Laboratory, University of Amsterdam, Plesmanlaan 125, 1066 CX Amsterdam, The Netherlands; (S.K.H.M.); (T.R.); (S.L.N.B.); (A.-M.D.v.S.)
| | - Anne-Marieke D. van Stalborch
- Molecular Cell Biology Lab, Department Molecular and Cellular Homeostasis, Sanquin Research and Landsteiner Laboratory, University of Amsterdam, Plesmanlaan 125, 1066 CX Amsterdam, The Netherlands; (S.K.H.M.); (T.R.); (S.L.N.B.); (A.-M.D.v.S.)
| | - Marjo M. P. C. Donners
- Department of Pathology, Cardiovascular Research Institute Maastricht, Maastricht University, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
- Correspondence: (M.M.P.C.D.); (J.D.v.B.); Tel.: +31-43-3877167 (M.M.P.C.D.); +31-20-5121219 (J.D.v.B.); Fax: +31-20-5123310 (J.D.v.B.)
| | - Jaap D. van Buul
- Molecular Cell Biology Lab, Department Molecular and Cellular Homeostasis, Sanquin Research and Landsteiner Laboratory, University of Amsterdam, Plesmanlaan 125, 1066 CX Amsterdam, The Netherlands; (S.K.H.M.); (T.R.); (S.L.N.B.); (A.-M.D.v.S.)
- Leeuwenhoek Centre for Advanced Microscopy (LCAM), Section Molecular Cytology at Swammerdam Institute for Life Sciences (SILS), University of Amsterdam, 1066 CX Amsterdam, The Netherlands
- Correspondence: (M.M.P.C.D.); (J.D.v.B.); Tel.: +31-43-3877167 (M.M.P.C.D.); +31-20-5121219 (J.D.v.B.); Fax: +31-20-5123310 (J.D.v.B.)
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23
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Koo CZ, Harrison N, Noy PJ, Szyroka J, Matthews AL, Hsia HE, Müller SA, Tüshaus J, Goulding J, Willis K, Apicella C, Cragoe B, Davis E, Keles M, Malinova A, McFarlane TA, Morrison PR, Nguyen HTH, Sykes MC, Ahmed H, Di Maio A, Seipold L, Saftig P, Cull E, Pliotas C, Rubinstein E, Poulter NS, Briddon SJ, Holliday ND, Lichtenthaler SF, Tomlinson MG. The tetraspanin Tspan15 is an essential subunit of an ADAM10 scissor complex. J Biol Chem 2020; 295:12822-12839. [PMID: 32111735 PMCID: PMC7476718 DOI: 10.1074/jbc.ra120.012601] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/14/2020] [Indexed: 12/13/2022] Open
Abstract
A disintegrin and metalloprotease 10 (ADAM10) is a transmembrane protein essential for embryonic development, and its dysregulation underlies disorders such as cancer, Alzheimer's disease, and inflammation. ADAM10 is a "molecular scissor" that proteolytically cleaves the extracellular region from >100 substrates, including Notch, amyloid precursor protein, cadherins, growth factors, and chemokines. ADAM10 has been recently proposed to function as six distinct scissors with different substrates, depending on its association with one of six regulatory tetraspanins, termed TspanC8s. However, it remains unclear to what degree ADAM10 function critically depends on a TspanC8 partner, and a lack of monoclonal antibodies specific for most TspanC8s has hindered investigation of this question. To address this knowledge gap, here we designed an immunogen to generate the first monoclonal antibodies targeting Tspan15, a model TspanC8. The immunogen was created in an ADAM10-knockout mouse cell line stably overexpressing human Tspan15, because we hypothesized that expression in this cell line would expose epitopes that are normally blocked by ADAM10. Following immunization of mice, this immunogen strategy generated four Tspan15 antibodies. Using these antibodies, we show that endogenous Tspan15 and ADAM10 co-localize on the cell surface, that ADAM10 is the principal Tspan15-interacting protein, that endogenous Tspan15 expression requires ADAM10 in cell lines and primary cells, and that a synthetic ADAM10/Tspan15 fusion protein is a functional scissor. Furthermore, two of the four antibodies impaired ADAM10/Tspan15 activity. These findings suggest that Tspan15 directly interacts with ADAM10 in a functional scissor complex.
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Affiliation(s)
- Chek Ziu Koo
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
| | - Neale Harrison
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Peter J Noy
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Justyna Szyroka
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Alexandra L Matthews
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Hung-En Hsia
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Stephan A Müller
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Johanna Tüshaus
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Joelle Goulding
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Katie Willis
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Clara Apicella
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Bethany Cragoe
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Edward Davis
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Murat Keles
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Antonia Malinova
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Thomas A McFarlane
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Philip R Morrison
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Hanh T H Nguyen
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Michael C Sykes
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Haroon Ahmed
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Alessandro Di Maio
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Lisa Seipold
- Institute of Biochemistry, Christian Albrechts University Kiel, 24118 Kiel, Germany
| | - Paul Saftig
- Institute of Biochemistry, Christian Albrechts University Kiel, 24118 Kiel, Germany
| | - Eleanor Cull
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Christos Pliotas
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, United Kingdom
| | - Eric Rubinstein
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses, CIMI-Paris, Paris 75013, France
| | - Natalie S Poulter
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Stephen J Briddon
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Nicholas D Holliday
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, United Kingdom
| | - Stefan F Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE) Munich, Neuroproteomics, Klinikum rechts der Isar, Technical University Munich and Munich Cluster for Systems Neurology (SyNergy), 81377 Munich, Germany
| | - Michael G Tomlinson
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands B15 2TT, United Kingdom
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24
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Gavin RL, Koo CZ, Tomlinson MG. Tspan18 is a novel regulator of thrombo-inflammation. Med Microbiol Immunol 2020; 209:553-564. [PMID: 32447449 PMCID: PMC7395042 DOI: 10.1007/s00430-020-00678-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 05/06/2020] [Indexed: 12/18/2022]
Abstract
The interplay between thrombosis and inflammation, termed thrombo-inflammation, causes acute organ damage in diseases such as ischaemic stroke and venous thrombosis. We have recently identified tetraspanin Tspan18 as a novel regulator of thrombo-inflammation. The tetraspanins are a family of 33 membrane proteins in humans that regulate the trafficking, clustering, and membrane diffusion of specific partner proteins. Tspan18 partners with the store-operated Ca2+ entry channel Orai1 on endothelial cells. Orai1 appears to be expressed in all cells and is critical in health and disease. Orai1 mutations cause human immunodeficiency, resulting in chronic and often lethal infections, while Orai1-knockout mice die at around the time of birth. Orai1 is a promising drug target in autoimmune and inflammatory diseases, and Orai1 inhibitors are in clinical trials. The focus of this review is our work on Tspan18 and Orai1 in Tspan18-knockout mice and Tspan18-knockdown primary human endothelial cells. Orai1 trafficking to the cell surface is partially impaired in the absence of Tspan18, resulting in impaired Ca2+ signaling and impaired release of the thrombo-inflammatory mediator von Willebrand factor following endothelial stimulation. As a consequence, Tspan18-knockout mice are protected in ischemia-reperfusion and deep vein thrombosis models. We provide new evidence that Tspan18 is relatively highly expressed in endothelial cells, through the analysis of publicly available single-cell transcriptomic data. We also present new data, showing that Tspan18 is required for normal Ca2+ signaling in platelets, but the functional consequences are subtle and restricted to mildly defective platelet aggregation and spreading induced by the platelet collagen receptor GPVI. Finally, we generate structural models of human Tspan18 and Orai1 and hypothesize that Tspan18 regulates Orai1 Ca2+ channel function at the cell surface by promoting its clustering.
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Affiliation(s)
- Rebecca L Gavin
- School of Biosciences, University of Birmingham, Birmingham, UK
| | - Chek Ziu Koo
- School of Biosciences, University of Birmingham, Birmingham, UK
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25
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Heib M, Rose-John S, Adam D. Necroptosis, ADAM proteases and intestinal (dys)function. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 353:83-152. [PMID: 32381179 DOI: 10.1016/bs.ircmb.2020.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Recently, an unexpected connection between necroptosis and members of the a disintegrin and metalloproteinase (ADAM) protease family has been reported. Necroptosis represents an important cell death routine which helps to protect from viral, bacterial, fungal and parasitic infections, maintains adult T cell homeostasis and contributes to the elimination of potentially defective organisms before parturition. Equally important for organismal homeostasis, ADAM proteases control cellular processes such as development and differentiation, immune responses or tissue regeneration. Notably, necroptosis as well as ADAM proteases have been implicated in the control of inflammatory responses in the intestine. In this review, we therefore provide an overview of the physiology and pathophysiology of necroptosis, ADAM proteases and intestinal (dys)function, discuss the contribution of necroptosis and ADAMs to intestinal (dys)function, and review the current knowledge on the role of ADAMs in necroptotic signaling.
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Affiliation(s)
- Michelle Heib
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Stefan Rose-John
- Institut für Biochemie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - Dieter Adam
- Institut für Immunologie, Christian-Albrechts-Universität zu Kiel, Kiel, Germany.
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26
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Guo L, Cornelissen A, Sakamoto A, Finn AV. Making Novel Genetic Associations With Carotid Intima-Media Thickness Using the UK Biobank. Arterioscler Thromb Vasc Biol 2020; 40:297-300. [PMID: 31967906 PMCID: PMC7033653 DOI: 10.1161/atvbaha.119.313784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Liang Guo
- CVPath Institute, Gaithersburg, Maryland, USA
| | | | | | - Aloke V. Finn
- CVPath Institute, Gaithersburg, Maryland, USA
- Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
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27
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Devaux CA, Mezouar S, Mege JL. The E-Cadherin Cleavage Associated to Pathogenic Bacteria Infections Can Favor Bacterial Invasion and Transmigration, Dysregulation of the Immune Response and Cancer Induction in Humans. Front Microbiol 2019; 10:2598. [PMID: 31781079 PMCID: PMC6857109 DOI: 10.3389/fmicb.2019.02598] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 10/25/2019] [Indexed: 12/21/2022] Open
Abstract
Once bound to the epithelium, pathogenic bacteria have to cross epithelial barriers to invade their human host. In order to achieve this goal, they have to destroy the adherens junctions insured by cell adhesion molecules (CAM), such as E-cadherin (E-cad). The invasive bacteria use more or less sophisticated mechanisms aimed to deregulate CAM genes expression or to modulate the cell-surface expression of CAM proteins, which are otherwise rigorously regulated by a molecular crosstalk essential for homeostasis. Apart from the repression of CAM genes, a drastic decrease in adhesion molecules on human epithelial cells can be obtained by induction of eukaryotic endoproteases named sheddases or through synthesis of their own (prokaryotic) sheddases. Cleavage of CAM by sheddases results in the release of soluble forms of CAM. The overexpression of soluble CAM in body fluids can trigger inflammation and pro-carcinogenic programming leading to tumor induction and metastasis. In addition, the reduction of the surface expression of E-cad on epithelia could be accompanied by an alteration of the anti-bacterial and anti-tumoral immune responses. This immune response dysfunction is likely to occur through the deregulation of immune cells homing, which is controlled at the level of E-cad interaction by surface molecules αE integrin (CD103) and lectin receptor KLRG1. In this review, we highlight the central role of CAM cell-surface expression during pathogenic microbial invasion, with a particular focus on bacterial-induced cleavage of E-cad. We revisit herein the rapidly growing body of evidence indicating that high levels of soluble E-cad (sE-cad) in patients’ sera could serve as biomarker of bacterial-induced diseases.
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Affiliation(s)
- Christian A Devaux
- IRD, MEPHI, APHM, Aix-Marseille University, Marseille, France.,CNRS, Institute of Biological Science (INSB), Marseille, France.,Institut Hospitalo-Universitaire (IHU)-Mediterranee Infection, Marseille, France
| | - Soraya Mezouar
- IRD, MEPHI, APHM, Aix-Marseille University, Marseille, France.,Institut Hospitalo-Universitaire (IHU)-Mediterranee Infection, Marseille, France
| | - Jean-Louis Mege
- IRD, MEPHI, APHM, Aix-Marseille University, Marseille, France.,Institut Hospitalo-Universitaire (IHU)-Mediterranee Infection, Marseille, France.,APHM, UF Immunology Department, Marseille, France
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28
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Moser D, Sun SJ, Li N, Biere K, Hoerl M, Matzel S, Feuerecker M, Buchheim JI, Strewe C, Thiel CS, Gao YX, Wang CZ, Ullrich O, Long M, Choukèr A. Cells´ Flow and Immune Cell Priming under alternating g-forces in Parabolic Flight. Sci Rep 2019; 9:11276. [PMID: 31375732 PMCID: PMC6677797 DOI: 10.1038/s41598-019-47655-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 07/04/2019] [Indexed: 12/31/2022] Open
Abstract
Gravitational stress in general and microgravity (µg) in particular are regarded as major stress factors responsible for immune system dysfunction in space. To assess the effects of alternating µg and hypergravity (hyper-g) on immune cells, the attachment of peripheral blood mononuclear cells (PBMCs) to adhesion molecules under flow conditions and the antigen-induced immune activation in whole blood were investigated in parabolic flight (PF). In contrast to hyper-g (1.8 g) and control conditions (1 g), flow and rolling speed of PBMCs were moderately accelerated during µg-periods which were accompanied by a clear reduction in rolling rate. Whole blood analyses revealed a "primed" state of monocytes after PF with potentiated antigen-induced pro-inflammatory cytokine responses. At the same time, concentrations of anti-inflammatory cytokines were increased and monocytes displayed a surface molecule pattern that indicated immunosuppression. The results suggest an immunologic counterbalance to avoid disproportionate immune responses. Understanding the interrelation of immune system impairing and enhancing effects under different gravitational conditions may support the design of countermeasures to mitigate immune deficiencies in space.
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Affiliation(s)
- D Moser
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - S J Sun
- Key Laboratory of Microgravity (National Microgravity Laboratory), Center of Biomechanics and Bioengineering, and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - N Li
- Key Laboratory of Microgravity (National Microgravity Laboratory), Center of Biomechanics and Bioengineering, and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - K Biere
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - M Hoerl
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - S Matzel
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - M Feuerecker
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - J-I Buchheim
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - C Strewe
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany
| | - C S Thiel
- Institute of Anatomy, Faculty of Medicine, University of Zurich, Zurich, Switzerland.,Department of Machine Design, Engineering Design and Product Development (IMK), Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Y X Gao
- Key Laboratory of Microgravity (National Microgravity Laboratory), Center of Biomechanics and Bioengineering, and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - C Z Wang
- Key Laboratory of Microgravity (National Microgravity Laboratory), Center of Biomechanics and Bioengineering, and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - O Ullrich
- Institute of Anatomy, Faculty of Medicine, University of Zurich, Zurich, Switzerland.,Department of Machine Design, Engineering Design and Product Development (IMK), Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - M Long
- Key Laboratory of Microgravity (National Microgravity Laboratory), Center of Biomechanics and Bioengineering, and Beijing Key Laboratory of Engineered Construction and Mechanobiology, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China. .,School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - A Choukèr
- Laboratory of Translational Research "Stress and Immunity", Department of Anaesthesiology, University Hospital, LMU Munich, Munich, Germany.
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29
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Mezouar S, Omar Osman I, Melenotte C, Slimani C, Chartier C, Raoult D, Mege JL, Devaux CA. High Concentrations of Serum Soluble E-Cadherin in Patients With Q Fever. Front Cell Infect Microbiol 2019; 9:219. [PMID: 31293984 PMCID: PMC6598114 DOI: 10.3389/fcimb.2019.00219] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 06/07/2019] [Indexed: 12/19/2022] Open
Abstract
Cadherins switching is a hallmark of neoplasic processes. The E-cadherin (E-cad) subtype is one of the surface molecules regulating cell-to-cell adhesion. After its cleavage by sheddases, a soluble fragment (sE-cad) is released that has been identified as a pro-carcinogenic inflammatory signal in several bacteria-induced cancers. Recently we reported that Q fever, a disease due to Coxiella burnetii infection, can be complicated by occurrence of non-Hodgkin lymphoma (NHL). Therefore, we studied E-cad switching in Q fever. The sE-cad levels were found increased in the sera of acute and persistent Q fever patients, whereas they remained at the baseline in controls groups of healthy donors, people cured of Q fever, patients suffering from unrelated inflammatory diseases, and past Q fever patients who developed NHL. These results indicate that sE-cad can be considered as a new biomarker of C. burnetii infection rather than a marker of NHL-associated to Q fever. We wondered if changes in sE-cad reflected variations in the CDH1 gene transcription. The expression of E-cad mRNA and its intracellular ligand β-catenin was down-regulated in peripheral blood mononuclear cells (PBMCs) of patients with either acute or persistent forms of Q fever. Indeed, a lower cell-surface expression of E-cad was measured in a minority (<5%) subpopulation of HLADR+/CD16+ monocytes from patients with acute Q fever. However, a very strong increase in E-cad expression was observed on more than 30% of the HLADR+/CD16+ monocytes of persistent Q fever patients, a cell subpopulation known to be a target for C. burnetii in humans. An experimental in vitro infection of healthy donors' PBMCs with C. burnetii, was performed to directly evaluate the link between C. burnetii interaction with PBMCs and their E-cad expression. A significant increase in the percentage of HLADR+/CD16+ monocytes expressing E-cad was measured after PBMCs had been incubated for 8 h with C. burnetii Nine Mile strain. Altogether, these data demonstrate that C. burnetii severely impairs the E-cad expression in circulating cells of Q fever patients.
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Affiliation(s)
- Soraya Mezouar
- Aix-Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - Ikram Omar Osman
- Aix-Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - Cléa Melenotte
- Aix-Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - Camélia Slimani
- Aix-Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - Céline Chartier
- APHM, IHU-Méditerranée Infection, UF Immunologie, Marseille, France
| | - Didier Raoult
- Aix-Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - Jean-Louis Mege
- Aix-Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France.,APHM, IHU-Méditerranée Infection, UF Immunologie, Marseille, France
| | - Christian A Devaux
- Aix-Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France.,CNRS, Marseille, France
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30
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Lane RS, Lund AW. Non-hematopoietic Control of Peripheral Tissue T Cell Responses: Implications for Solid Tumors. Front Immunol 2018; 9:2662. [PMID: 30498499 PMCID: PMC6249380 DOI: 10.3389/fimmu.2018.02662] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 10/29/2018] [Indexed: 12/16/2022] Open
Abstract
In response to pathological challenge, the host generates rapid, protective adaptive immune responses while simultaneously maintaining tolerance to self and limiting immune pathology. Peripheral tissues (e.g., skin, gut, lung) are simultaneously the first site of pathogen-encounter and also the location of effector function, and mounting evidence indicates that tissues act as scaffolds to facilitate initiation, maintenance, and resolution of local responses. Just as both effector and memory T cells must adapt to their new interstitial environment upon infiltration, tissues are also remodeled in the context of acute inflammation and disease. In this review, we present the biochemical and biophysical mechanisms by which non-hematopoietic stromal cells and extracellular matrix molecules collaborate to regulate T cell behavior in peripheral tissue. Finally, we discuss how tissue remodeling in the context of tumor microenvironments impairs T cell accumulation and function contributing to immune escape and tumor progression.
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Affiliation(s)
- Ryan S Lane
- Department of Cell, Developmental and Cancer Biology, Oregon Health and Science University, Portland, OR, United States
| | - Amanda W Lund
- Department of Cell, Developmental and Cancer Biology, Oregon Health and Science University, Portland, OR, United States.,Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR, United States.,Department of Dermatology, Oregon Health and Science University, Portland, OR, United States.,Knight Cancer Institute, Oregon Health and Science University, Portland, OR, United States
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31
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de Winde CM, Matthews AL, van Deventer S, van der Schaaf A, Tomlinson ND, Jansen E, Eble JA, Nieswandt B, McGettrick HM, Figdor CG, Tomlinson MG, Acton SE, van Spriel AB. C-type lectin-like receptor 2 (CLEC-2)-dependent dendritic cell migration is controlled by tetraspanin CD37. J Cell Sci 2018; 131:jcs214551. [PMID: 30185523 DOI: 10.1242/jcs.214551] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 08/23/2018] [Indexed: 12/15/2022] Open
Abstract
Cell migration is central to evoking a potent immune response. Dendritic cell (DC) migration to lymph nodes is dependent on the interaction of C-type lectin-like receptor 2 (CLEC-2; encoded by the gene Clec1b), expressed by DCs, with podoplanin, expressed by lymph node stromal cells, although the underlying molecular mechanisms remain elusive. Here, we show that CLEC-2-dependent DC migration is controlled by tetraspanin CD37, a membrane-organizing protein. We identified a specific interaction between CLEC-2 and CD37, and myeloid cells lacking CD37 (Cd37-/-) expressed reduced surface CLEC-2. CLEC-2-expressing Cd37-/- DCs showed impaired adhesion, migration velocity and displacement on lymph node stromal cells. Moreover, Cd37-/- DCs failed to form actin protrusions in a 3D collagen matrix upon podoplanin-induced CLEC-2 stimulation, phenocopying CLEC-2-deficient DCs. Microcontact printing experiments revealed that CD37 is required for CLEC-2 recruitment in the membrane to its ligand podoplanin. Finally, Cd37-/- DCs failed to inhibit actomyosin contractility in lymph node stromal cells, thus phenocopying CLEC-2-deficient DCs. This study demonstrates that tetraspanin CD37 controls CLEC-2 membrane organization and provides new molecular insights into the mechanisms underlying CLEC-2-dependent DC migration.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Charlotte M de Winde
- Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Department of Tumor Immunology, 6525 GA Nijmegen, The Netherlands
- MRC Laboratory of Molecular Cell Biology, University College London, London WC1E 6BT, UK
| | | | - Sjoerd van Deventer
- Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Department of Tumor Immunology, 6525 GA Nijmegen, The Netherlands
| | - Alie van der Schaaf
- Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Department of Tumor Immunology, 6525 GA Nijmegen, The Netherlands
| | - Neil D Tomlinson
- Institute of Cardiovascular Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Erik Jansen
- Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Department of Tumor Immunology, 6525 GA Nijmegen, The Netherlands
| | - Johannes A Eble
- Institute for Physiological Chemistry and Pathobiochemistry, D-48149 Münster, Germany
| | - Bernhard Nieswandt
- University Clinic of Würzburg and Rudolf Virchow Center for Experimental Biomedicine, 97070 Würzburg, Germany
| | - Helen M McGettrick
- Institute of Inflammation and Ageing, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Carl G Figdor
- Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Department of Tumor Immunology, 6525 GA Nijmegen, The Netherlands
| | - Michael G Tomlinson
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Midlands, UK
| | - Sophie E Acton
- MRC Laboratory of Molecular Cell Biology, University College London, London WC1E 6BT, UK
| | - Annemiek B van Spriel
- Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Department of Tumor Immunology, 6525 GA Nijmegen, The Netherlands
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32
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33
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Yeung L, Hickey MJ, Wright MD. The Many and Varied Roles of Tetraspanins in Immune Cell Recruitment and Migration. Front Immunol 2018; 9:1644. [PMID: 30072994 PMCID: PMC6060431 DOI: 10.3389/fimmu.2018.01644] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 07/04/2018] [Indexed: 01/13/2023] Open
Abstract
Immune cell recruitment and migration is central to the normal functioning of the immune system in health and disease. Numerous adhesion molecules on immune cells and the parenchymal cells they interact with are well recognized for their roles in facilitating the movements of immune cells throughout the body. A growing body of evidence now indicates that tetraspanins, proteins known for their capacity to organize partner molecules within the cell membrane, also have significant impacts on the ability of immune cells to migrate around the body. In this review, we examine the tetraspanins expressed by immune cells and endothelial cells that influence leukocyte recruitment and motility and describe their impacts on the function of adhesion molecules and other partner molecules that modulate the movements of leukocytes. In particular, we examine the functional roles of CD9, CD37, CD63, CD81, CD82, and CD151. This reveals the diversity of the functions of the tetraspanin family in this setting, both in the nature of adhesive and migratory interactions that they regulate, and the positive or inhibitory effects mediated by the individual tetraspanin proteins.
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Affiliation(s)
- Louisa Yeung
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Monash University, Clayton, VIC, Australia.,Department of Immunology, Monash University, Prahran, VIC, Australia
| | - Michael J Hickey
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Monash University, Clayton, VIC, Australia
| | - Mark D Wright
- Department of Immunology, Monash University, Prahran, VIC, Australia
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34
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Matthews AL, Koo CZ, Szyroka J, Harrison N, Kanhere A, Tomlinson MG. Regulation of Leukocytes by TspanC8 Tetraspanins and the "Molecular Scissor" ADAM10. Front Immunol 2018; 9:1451. [PMID: 30013551 PMCID: PMC6036176 DOI: 10.3389/fimmu.2018.01451] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 06/12/2018] [Indexed: 01/16/2023] Open
Abstract
A disintegrin and metalloproteinase 10 (ADAM10) is a ubiquitous transmembrane protein that functions as a "molecular scissor" to cleave the extracellular regions from its transmembrane target proteins. ADAM10 is well characterized as the ligand-dependent activator of Notch proteins, which control cell fate decisions. Indeed, conditional knockouts of ADAM10 in mice reveal impaired B-, T-, and myeloid cell development and/or function. ADAM10 cleaves many other leukocyte-expressed substrates. On B-cells, ADAM10 cleavage of the low-affinity IgE receptor CD23 promotes allergy and asthma, cleavage of ICOS ligand impairs antibody responses, and cleavage of the BAFF-APRIL receptor transmembrane activator and CAML interactor, and BAFF receptor, reduce B-cell survival. On microglia, increased ADAM10 cleavage of a rare variant of the scavenger receptor triggering receptor expressed on myeloid cells 2 may increase susceptibility to Alzheimer's disease. We and others recently showed that ADAM10 interacts with one of six different regulatory tetraspanin membrane proteins, which we termed the TspanC8 subgroup, comprising Tspan5, Tspan10, Tspan14, Tspan15, Tspan17, and Tspan33. The TspanC8s are required for ADAM10 exit from the endoplasmic reticulum, and emerging evidence suggests that they dictate ADAM10 subcellular localization and substrate specificity. Therefore, we propose that ADAM10 should not be regarded as a single scissor, but as six different scissors with distinct substrate specificities, depending on the associated TspanC8. In this review, we collate recent transcriptomic data to present the TspanC8 repertoires of leukocytes, and we discuss the potential role of the six TspanC8/ADAM10 scissors in leukocyte development and function.
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Affiliation(s)
- Alexandra L Matthews
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Chek Ziu Koo
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom.,Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham, Birmingham, United Kingdom
| | - Justyna Szyroka
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Neale Harrison
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Aditi Kanhere
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Michael G Tomlinson
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom.,Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham, Birmingham, United Kingdom
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35
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Li XK, Zhang SF, Xu W, Xing B, Lu QB, Zhang PH, Li H, Zhang L, Zhang WC, Chen WW, Cao WC, Liu W. Vascular endothelial injury in severe fever with thrombocytopenia syndrome caused by the novel bunyavirus. Virology 2018; 520:11-20. [PMID: 29754008 DOI: 10.1016/j.virol.2018.05.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 04/14/2018] [Accepted: 05/01/2018] [Indexed: 12/13/2022]
Abstract
Severe fever with thrombocytopenia syndrome virus (SFTSV) infection typically causes acute fever, thrombocytopenia and leucopenia, presenting with a high case fatality rate. The pathogenesis of SFTSV infection, however, is not well described. It was hypothesized that endothelial dysfunction might play part in the disease process. In current study, we retrospectively analyzed the clinical manifestations among a large group of confirmed SFTS cases and found evidence of plasma leakage and vascular endothelial injury. Then we established a SFTSV infection cell model and determined the infectivity and stimulation of SFTSV on vascular endothelial cells in vitro. The hyperpermeability of endothelial cells directly induced by SFTSV was confirmed by electrical resistance and dextran diffusion assay. The virus induced alterations of cell junctions and cytoskeleton was also revealed. It's suggested that vascular endothelial cell injury and barrier function damage were induced after SFTSV infection, which is a vital but neglected pathogenesis of SFTS.
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Affiliation(s)
- Xiao-Kun Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dongda Street, Fengtai District, 100071, Beijing, PR China
| | - Shao-Fei Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dongda Street, Fengtai District, 100071, Beijing, PR China
| | - Wen Xu
- Treatment and Research Centre for Infectious Diseases, The 302 Hospital, People's Liberation Army, No. 100, West 4th Ring Road, Fengtai District, Beijing, PR China
| | - Bo Xing
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dongda Street, Fengtai District, 100071, Beijing, PR China
| | - Qing-Bin Lu
- Department of Laboratorial Science and Technology, School of Public Health, Peking University, No. 38, Xue yuan Road, Hai-dian District, Beijing, PR China
| | - Pan-He Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dongda Street, Fengtai District, 100071, Beijing, PR China
| | - Hao Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dongda Street, Fengtai District, 100071, Beijing, PR China
| | - Li Zhang
- Xinxiang Medical University, Xinxiang City, PR China
| | | | - Wei-Wei Chen
- Treatment and Research Centre for Infectious Diseases, The 302 Hospital, People's Liberation Army, No. 100, West 4th Ring Road, Fengtai District, Beijing, PR China
| | - Wu-Chun Cao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dongda Street, Fengtai District, 100071, Beijing, PR China
| | - Wei Liu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dongda Street, Fengtai District, 100071, Beijing, PR China.
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36
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Gardiner EE. Proteolytic processing of platelet receptors. Res Pract Thromb Haemost 2018; 2:240-250. [PMID: 30046726 PMCID: PMC6055504 DOI: 10.1002/rth2.12096] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Accepted: 03/01/2018] [Indexed: 12/17/2022] Open
Abstract
Platelets have a major role in hemostasis and an emerging role in biological processes including inflammation and immunity. Many of these processes require platelet adhesion and localization at sites of tissue damage or infection and regulated platelet activation, mediated by platelet adheso-signalling receptors, glycoprotein (GP) Ib-IX-V and GPVI. Work from a number of laboratories has demonstrated that levels of these receptors are closely regulated by metalloproteinases of the A Disintegrin And Metalloproteinase (ADAM) family, primarily ADAM17 and ADAM10. It is becoming increasingly evident that platelets have important roles in innate immunity, inflammation, and in combating infection that extends beyond processes of hemostasis. This overview will examine the molecular events that regulate levels of platelet receptors and then assess ramifications for these events in settings where hemostasis, inflammation, and infection processes are triggered.
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Affiliation(s)
- Elizabeth E. Gardiner
- ACRF Department of Cancer Biology and TherapeuticsJohn Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
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37
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Altara R, Zouein FA, Brandão RD, Bajestani SN, Cataliotti A, Booz GW. In Silico Analysis of Differential Gene Expression in Three Common Rat Models of Diastolic Dysfunction. Front Cardiovasc Med 2018; 5:11. [PMID: 29556499 PMCID: PMC5850854 DOI: 10.3389/fcvm.2018.00011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 02/05/2018] [Indexed: 12/13/2022] Open
Abstract
Standard therapies for heart failure with preserved ejection fraction (HFpEF) have been unsuccessful, demonstrating that the contribution of the underlying diastolic dysfunction pathophysiology differs from that of systolic dysfunction in heart failure and currently is far from being understood. Complicating the investigation of HFpEF is the contribution of several comorbidities. Here, we selected three established rat models of diastolic dysfunction defined by three major risk factors associated with HFpEF and researched their commonalities and differences. The top differentially expressed genes in the left ventricle of Dahl salt sensitive (Dahl/SS), spontaneous hypertensive heart failure (SHHF), and diabetes 1 induced HFpEF models were derived from published data in Gene Expression Omnibus and used for a comprehensive interpretation of the underlying pathophysiological context of each model. The diversity of the underlying transcriptomic of the heart of each model is clearly observed by the different panel of top regulated genes: the diabetic model has 20 genes in common with the Dahl/SS and 15 with the SHHF models. Advanced analytics performed in Ingenuity Pathway Analysis (IPA®) revealed that Dahl/SS heart tissue transcripts triggered by upstream regulators lead to dilated cardiomyopathy, hypertrophy of heart, arrhythmia, and failure of heart. In the heart of SHHF, a total of 26 genes were closely linked to cardiovascular disease including cardiotoxicity, pericarditis, ST-elevated myocardial infarction, and dilated cardiomyopathy. IPA Upstream Regulator analyses revealed that protection of cardiomyocytes is hampered by inhibition of the ERBB2 plasma membrane-bound receptor tyrosine kinases. Cardioprotective markers such as natriuretic peptide A (NPPA), heat shock 27 kDa protein 1 (HSPB1), and angiogenin (ANG) were upregulated in the diabetes 1 induced model; however, the model showed a different underlying mechanism with a majority of the regulated genes involved in metabolic disorders. In conclusion, our findings suggest that multiple mechanisms may contribute to diastolic dysfunction and HFpEF, and thus drug therapies may need to be guided more by phenotypic characteristics of the cardiac remodeling events than by the underlying molecular processes.
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Affiliation(s)
- Raffaele Altara
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway.,KG Jebsen Center for Cardiac Research, Oslo, Norway.,Department of Pathology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, United States
| | - Fouad A Zouein
- Faculty of Medicine, Department of Pharmacology and Toxicology, American University of Beirut, Beirut, Lebanon
| | - Rita Dias Brandão
- Department of Clinical Genetics, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Saeed N Bajestani
- Department of Pathology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, United States.,Department of Ophthalmology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, United States
| | - Alessandro Cataliotti
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway.,KG Jebsen Center for Cardiac Research, Oslo, Norway
| | - George W Booz
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, United States
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