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Anaraki KT, Zahed Z, Javid RN, Shafiei S, Beiranvandi F, Kahrizsangi NG, Golafshan F, Arzhangzade A, Kojuri J, Almassian S, Hadi R, Gholizadeh P, Kazeminava F. Immune response following transcatheter aortic valve procedure. Vascul Pharmacol 2024; 154:107283. [PMID: 38340884 DOI: 10.1016/j.vph.2024.107283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/25/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
Aortic valve stenosis is the most common type of heart valve disease in the United States and Europe and calcific aortic stenosis (AS) affects 2-7% of people aged 65 years and older. Aortic valve replacement (AVR) is the only effective treatment for individuals with this condition. Transcatheter Aortic Valve Replacement (TAVR) has been widely accepted as a minimally invasive therapeutic approach for addressing symptomatic AS in patients who are considered to have a high risk for traditional surgical intervention. TAVR procedure may have a paradoxical effect on the immune system and inflammatory status. A major portion of these immune responses is regulated by activating or inhibiting inflammatory monocytes and the complement system with subsequent changes in inflammatory cytokines. TAVR has the potential to induce various concurrent exposures, including disruption of the native valve, hemodynamic changes, antigenicity of the bioprosthesis, and vascular damage, which finally lead to the development of inflammation. On the other hand, it is important to acknowledge that TAVR may also have anti-inflammatory effects by helping in the resolution of stenosis.The inflammation and immune response following TAVR are complex processes that significantly impact procedural outcomes and patient well-being. Understanding the underlying mechanisms, identifying biomarkers of inflammation, and exploring therapeutic interventions to modulate these responses are crucial for optimizing TAVR outcomes. Further research is warranted to elucidate the precise immunological dynamics and develop tailored strategies to attenuate inflammation and enhance post-TAVR healing while minimizing complications.
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Affiliation(s)
- Kasra Talebi Anaraki
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Zahed
- Department of Medical Sciences, Ardabil University of Medical Sciences, Ardabil, Iran
| | | | - Sasan Shafiei
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fereshteh Beiranvandi
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Faraz Golafshan
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Arzhangzade
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Javad Kojuri
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Samin Almassian
- Heart Valve Disease Research Center, Rajaei Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Raha Hadi
- Department of Chemistry, Faculty of Basic Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Pourya Gholizadeh
- Zoonoses Research Center, Ardabil University of Medical Sciences, Ardabil, Iran; Digestive Disease Research Center, Ardabil University of Medical Sciences, Ardabil, Iran.
| | - Fahimeh Kazeminava
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Yadav SK, Park S, Lee YM, Hurh S, Kim D, Min S, Kim S, Yan JJ, Kang BC, Kim S, Yang J, Jeong JC. Application of microphysiologic system to assess neutrophil extracellular trap in xenotransplantation. J Immunol Methods 2023; 521:113537. [PMID: 37598787 DOI: 10.1016/j.jim.2023.113537] [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: 05/23/2023] [Revised: 08/03/2023] [Accepted: 08/14/2023] [Indexed: 08/22/2023]
Abstract
Transplantation of organs, cells, or tissues from one species to another, known as xenotransplantation, has the potential to alleviate organ donor shortages and enhance the success of organ transplantation. However, the possibility of immunological rejection by the recipient is one of the biggest difficulties associated with xenotransplantation. The creation of neutrophil extracellular traps (NETs), also known as NETosis, is hypothesized as a mechanism of rejection. Innovations in microfluidics and co-culturing techniques have provided access to several classes of microengineered model systems in experimental models, connecting animal research and traditional in vitro methods such as organoids, microphysiological systems, and organs-on-chip. To achieve this goal, we established a perfusable 3D Xeno vessel chip using a porcine aortic endothelial cell line and examined how NETs grow when isolated human and primate neutrophils were used. Neutrophils from both humans and monkeys displayed the usual NETosis phases, including nuclear decondensation, enlargement, and rounding of DNA, occupying the entire cytoplasm, and discharge of fragmented DNA after cell membrane rupture. Using confocal fluorescence imaging of DNA and citrullinated histone colocalization and DNA histone complex formation in supernatants from xeno vessel chips, we confirmed NETs generation by human and monkey neutrophils when cocultured in a xeno-vessel chip.
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Affiliation(s)
- Suchen Kumar Yadav
- Department of Medicine, Seoul National University College of Medicine, Seoul, South Korea; Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea.
| | - Seokwoo Park
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea.
| | - Yun-Mi Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea.
| | - Sunghoon Hurh
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul, South Korea.
| | | | - Sangil Min
- Department of Surgery, Seoul National University Hospital, Seoul, South Korea.
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea.
| | - Ji-Jing Yan
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea.
| | - Byeong-Cheol Kang
- Department of Medicine, Seoul National University College of Medicine, Seoul, South Korea.
| | | | - Jaeseok Yang
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea.
| | - Jong Cheol Jeong
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea.
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Veraar C, Koschutnik M, Nitsche C, Laggner M, Polak D, Bohle B, Mangold A, Moser B, Mascherbauer J, Ankersmit HJ. Inflammatory immune response in recipients of transcatheter aortic valves. JTCVS OPEN 2021; 6:85-96. [PMID: 36003560 PMCID: PMC9390500 DOI: 10.1016/j.xjon.2021.02.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 02/22/2021] [Indexed: 01/17/2023]
Abstract
Objective Transcatheter aortic valve implantation (TAVI) is rapidly replacing cardiac surgery due to its minimal invasiveness and practicality. Midterm immunological studies on the biocompatibility of galactose-alpha-1,3-galactose (α-Gal)–carrying bioprosthetic heart valves for TAVI are not available. In this study we investigated whether bioprosthetic heart valves employed for TAVI augment an α-Gal–specific antibody-dependent and antibody-independent immune response 3 months after TAVI implantation. Methods This prospective observational study included 27 patients with severe aortic valve stenosis undergoing TAVI and 10 patients with severe mitral valve regurgitation treated with a transcatheter MitraClip (Abbott Laboratories, Abbott Park, Ill) procedure. Blood samples were drawn before and 90 days after treatment at a routine checkup. Serum samples were analyzed using enzyme-linked immunosorbent assay. Serum concentrations of α-Gal–specific immunoglobulin (Ig) G, IgG subclasses and IgE, complement factor 3a, NETosis-specific citrullinated H3, and the systemic inflammation markers soluble suppression of tumorigenicity and interleukin 33 were evaluated. Results Three months after TAVI, we found significantly increased serum concentrations of α-Gal–specific IgG3, complement factor complement factor 3a, citrullinated H3 levels, and soluble suppression of tumorigenicity (P = .002, P = .001, P = .025, and P = .039, respectively). Sensitization of α-Gal–specific IgE antibodies occurred in 55% of all patients after TAVI. Conclusions Our results indicate that TAVI elicits a midterm, specific humoral immune response against α-Gal and causes an unspecific humoral inflammation compared with patients undergoing MitraClip implantation. This observation will lead to a better understanding of postintervention morbidity and the long-term durability of bioprostheses and indicates that caution is appropriate when designing implantation strategies for younger patients.
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Affiliation(s)
- Cecilia Veraar
- Division of Cardiothoracic and Vascular Anaesthesia and Intensive Care Medicine, Department of Anaesthesiology, General Intensive Care, and Pain Medicine, Medical University of Vienna, Vienna, Austria
- Laboratory for Cardiac and Thoracic Diagnosis, Regeneration and Applied Immunology, Medical University of Vienna, Vienna, Austria
| | - Matthias Koschutnik
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Christian Nitsche
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Maria Laggner
- Laboratory for Cardiac and Thoracic Diagnosis, Regeneration and Applied Immunology, Medical University of Vienna, Vienna, Austria
- Department of Thoracic Surgery, Medical University of Vienna, Vienna, Austria
| | - Dominika Polak
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria
| | - Barbara Bohle
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria
| | - Andreas Mangold
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Bernhard Moser
- Department of Thoracic Surgery, Medical University of Vienna, Vienna, Austria
| | - Julia Mascherbauer
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
- Department of Internal Medicine III, University Hospital St. Pölten, Karl Landsteiner University of Health Sciences, Krems, Austria
| | - Hendrik J. Ankersmit
- Laboratory for Cardiac and Thoracic Diagnosis, Regeneration and Applied Immunology, Medical University of Vienna, Vienna, Austria
- Department of Thoracic Surgery, Medical University of Vienna, Vienna, Austria
- Address for reprints: Hendrik J. Ankersmit, MD, MBA, Department of Thoracic Surgery, Laboratory for Cardiac and Thoracic Diagnosis, Regeneration, and Applied Immunology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria.
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Li T, Jiang H, Liu H, Cooper DKC, Wang Y. Extracellular histones and xenotransplantation. Xenotransplantation 2020; 27:e12618. [PMID: 32940936 DOI: 10.1111/xen.12618] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/24/2020] [Accepted: 05/15/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Tao Li
- Department of Organ Transplantation The Second Affiliated Hospital of Hainan Medical University Haikou Hainan China
- The Transplantation Insititute of Hainan Medical University Haikou Hainan China
| | - Hongtao Jiang
- Department of Organ Transplantation The Second Affiliated Hospital of Hainan Medical University Haikou Hainan China
- The Transplantation Insititute of Hainan Medical University Haikou Hainan China
| | - Houqin Liu
- Department of Organ Transplantation The Second Affiliated Hospital of Hainan Medical University Haikou Hainan China
- The Transplantation Insititute of Hainan Medical University Haikou Hainan China
| | - David K. C. Cooper
- Xenotransplantation Program Department of Surgery University of Alabama at Birmingham Birmingham AL USA
| | - Yi Wang
- Department of Organ Transplantation The Second Affiliated Hospital of Hainan Medical University Haikou Hainan China
- The Transplantation Insititute of Hainan Medical University Haikou Hainan China
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Li T, Lee W, Hara H, Long C, Ezzelarab M, Ayares D, Huang H, Wang Y, Cooper DK, Iwase H. An Investigation of Extracellular Histones in Pig-To-Baboon Organ Xenotransplantation. Transplantation 2017; 101:2330-2339. [PMID: 28157735 PMCID: PMC5856196 DOI: 10.1097/tp.0000000000001676] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Serum (extracellular) histone levels are increased in inflammatory states and in the presence of coagulation dysfunction, for example, trauma, chemical/ischemic injury, infection. There is increasing evidence of a systemic inflammatory response associated with the presence of a pig xenograft in a nonhuman primate. We evaluated extracellular histone levels in baboons with various pig xenografts. METHODS We measured serum histones in baboons with pig heterotopic heart (n = 8), life-supporting kidney (n = 5), orthotopic liver (n = 4), and artery patch (n = 9) grafts by enzyme-linked immunosorbent assay. C-reactive protein (CRP), free triiodothyronine (fT3), serum amyloid A (SAA), and platelet counts were also measured, all of which may provide an indication of an inflammatory state. We investigated the effect of histones on platelet aggregation and on cytotoxicity of pig cells in vitro. RESULTS Serum histones increased when baboons developed consumptive coagulopathy (eg, thrombocytopenia) or infection. CRP levels tended to be higher and fT3 levels lower when consumptive coagulopathy developed. Measurement of SAA correlated fairly well with CRP and indicated the state of inflammation. Treatment of the recipient with tocilizumab reduced the level of serum histones, CRP, and SAA, and increased the level of fT3 and platelet counts. In vitro, histone-induced platelet aggregation and endothelial cell apoptosis were both significantly reduced by the NF-κB pathway inhibitor, parthenolide. CONCLUSIONS These noninvasive assays may be useful for monitoring the health status of nonhuman primate recipients of pig organ grafts and may help in management after xenotransplantation. Tocilizumab and NF-κB inhibitors might prove valuable in reducing the inflammatory response to a pig xenograft.
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Affiliation(s)
- Tao Li
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Center for Kidney Transplantation, Second Affiliated Hospital of the University of South China, Hengyang, Hunan, China
| | - Whayoung Lee
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Hidetaka Hara
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Cassandra Long
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Mohamed Ezzelarab
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Hai Huang
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yi Wang
- Center for Kidney Transplantation, Second Affiliated Hospital of the University of South China, Hengyang, Hunan, China
| | - David K.C. Cooper
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Hayato Iwase
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
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Steinhoff M, Naqvi R, Burlak C. Xenotransplantation literature update, November/December 2016. Xenotransplantation 2017; 24. [PMID: 28160329 DOI: 10.1111/xen.12290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Accepted: 01/18/2017] [Indexed: 11/29/2022]
Affiliation(s)
- Magie Steinhoff
- Department of Surgery, Schulze Diabetes Institute, University of Minnesota School of Medicine, Minneapolis, MN, USA
| | - Raza Naqvi
- Department of Surgery, Schulze Diabetes Institute, University of Minnesota School of Medicine, Minneapolis, MN, USA
| | - Christopher Burlak
- Department of Surgery, Schulze Diabetes Institute, University of Minnesota School of Medicine, Minneapolis, MN, USA
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