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Grüter BE, Canzanella G, Hägler J, Rey J, Wanderer S, von Gunten M, Galvan JA, Grobholz R, Widmer HR, Remonda L, Andereggen L, Marbacher S. Topographic distribution of inflammation factors in a healing aneurysm. J Neuroinflammation 2023; 20:182. [PMID: 37533024 PMCID: PMC10394867 DOI: 10.1186/s12974-023-02863-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 07/26/2023] [Indexed: 08/04/2023] Open
Abstract
BACKGROUND Healing of intracranial aneurysms following endovascular treatment relies on the organization of early thrombus into mature scar tissue and neointima formation. Activation and deactivation of the inflammation cascade plays an important role in this process. In addition to timely evolution, its topographic distribution is hypothesized to be crucial for successful aneurysm healing. METHODS Decellularized saccular sidewall aneurysms were created in Lewis rats and coiled. At follow-up (after 3 days (n = 16); 7 days (n = 19); 21 days (n = 8)), aneurysms were harvested and assessed for healing status. In situ hybridization was performed for soluble inflammatory markers (IL6, MMP2, MMP9, TNF-α, FGF23, VEGF), and immunohistochemical analysis to visualize inflammatory cells (CD45, CD3, CD20, CD31, CD163, HLA-DR). These markers were specifically documented for five regions of interest: aneurysm neck, dome, neointima, thrombus, and adjacent vessel wall. RESULTS Coiled aneurysms showed enhanced patterns of thrombus organization and neointima formation, whereas those without treatment demonstrated heterogeneous patterns of thrombosis, thrombus recanalization, and aneurysm growth (p = 0.02). In coiled aneurysms, inflammation markers tended to accumulate inside the thrombus and in the neointima (p < 0.001). Endothelial cells accumulated directly in the neointima (p < 0.0001), and their presence was associated with complete aneurysm healing. CONCLUSION The presence of proinflammatory cells plays a crucial role in aneurysm remodeling after coiling. Whereas thrombus organization is hallmarked by a pronounced intra-thrombotic inflammatory reaction, neointima maturation is characterized by direct invasion of endothelial cells. Knowledge concerning topographic distribution of regenerative inflammatory processes may pave the way for future treatment modalities which enhance aneurysm healing after endovascular therapy.
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Affiliation(s)
- Basil E Grüter
- Division of Neuroradiology, Department of Radiology, Kantonsspital Aarau, C/o NeuroResearch Office,Tellstrasse 1, 5001, Aarau, Switzerland.
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland.
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland.
| | - Gwendoline Canzanella
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Joshua Hägler
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Jeannine Rey
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Stefan Wanderer
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Michael von Gunten
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
- Institute of Pathology Laenggasse, Ittigen, Switzerland
| | - José A Galvan
- Translational Research Unit (TRU), Institute of Pathology, University of Bern, Bern, Switzerland
| | - Rainer Grobholz
- Institute of Pathology, Kantonsspital Aarau, Aarau, Switzerland
- Medical Faculty, University of Zurich, Zurich, Switzerland
| | - Hans-Rudolf Widmer
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Luca Remonda
- Division of Neuroradiology, Department of Radiology, Kantonsspital Aarau, C/o NeuroResearch Office,Tellstrasse 1, 5001, Aarau, Switzerland
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Lukas Andereggen
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Serge Marbacher
- Department of Neurosurgery, Kantonsspital Aarau, Aarau, Switzerland
- Program for Regenerative Neuroscience, Department for BioMedical Research, University of Bern, Bern, Switzerland
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Morel S, Hostettler IC, Spinner GR, Bourcier R, Pera J, Meling TR, Alg VS, Houlden H, Bakker MK, van’t Hof F, Rinkel GJE, Foroud T, Lai D, Moomaw CJ, Worrall BB, Caroff J, Constant-dits-Beaufils P, Karakachoff M, Rimbert A, Rouchaud A, Gaal-Paavola EI, Kaukovalta H, Kivisaari R, Laakso A, Jahromi BR, Tulamo R, Friedrich CM, Dauvillier J, Hirsch S, Isidor N, Kulcsàr Z, Lövblad KO, Martin O, Machi P, Mendes Pereira V, Rüfenacht D, Schaller K, Schilling S, Slowik A, Jaaskelainen JE, von und zu Fraunberg M, Jiménez-Conde J, Cuadrado-Godia E, Soriano-Tárraga C, Millwood IY, Walters RG, Kim H, Redon R, Ko NU, Rouleau GA, Lindgren A, Niemelä M, Desal H, Woo D, Broderick JP, Werring DJ, Ruigrok YM, Bijlenga P. Intracranial Aneurysm Classifier Using Phenotypic Factors: An International Pooled Analysis. J Pers Med 2022; 12:jpm12091410. [PMID: 36143196 PMCID: PMC9501769 DOI: 10.3390/jpm12091410] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 08/02/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
Intracranial aneurysms (IAs) are usually asymptomatic with a low risk of rupture, but consequences of aneurysmal subarachnoid hemorrhage (aSAH) are severe. Identifying IAs at risk of rupture has important clinical and socio-economic consequences. The goal of this study was to assess the effect of patient and IA characteristics on the likelihood of IA being diagnosed incidentally versus ruptured. Patients were recruited at 21 international centers. Seven phenotypic patient characteristics and three IA characteristics were recorded. The analyzed cohort included 7992 patients. Multivariate analysis demonstrated that: (1) IA location is the strongest factor associated with IA rupture status at diagnosis; (2) Risk factor awareness (hypertension, smoking) increases the likelihood of being diagnosed with unruptured IA; (3) Patients with ruptured IAs in high-risk locations tend to be older, and their IAs are smaller; (4) Smokers with ruptured IAs tend to be younger, and their IAs are larger; (5) Female patients with ruptured IAs tend to be older, and their IAs are smaller; (6) IA size and age at rupture correlate. The assessment of associations regarding patient and IA characteristics with IA rupture allows us to refine IA disease models and provide data to develop risk instruments for clinicians to support personalized decision-making.
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Affiliation(s)
- Sandrine Morel
- Neurosurgery Division, Department of Clinical Neurosciences, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1205 Geneva, Switzerland
| | - Isabel C. Hostettler
- Stroke Research Centre, University College London Queen Square Institute of Neurology, London WC1N 3BG, UK
- Department of Neurosurgery, Canton Hospital St. Gallen, 9000 St. Gallen, Switzerland
| | - Georg R. Spinner
- ZHAW School of Life Sciences and Facility Management, 8820 Wädenswil, Switzerland
| | - Romain Bourcier
- Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS), University Hospital Centre Nantes, University of Nantes, L’institut Du Thorax, 44007 Nantes, France
- Department of Neuroradiology, University Hospital of Nantes, 44000 Nantes, France
| | - Joanna Pera
- Department of Neurology, Faculty of Medicine, Jagiellonian University Medical College, ul. Botaniczna 3, 31-503 Krakow, Poland
| | - Torstein R. Meling
- Neurosurgery Division, Department of Clinical Neurosciences, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Varinder S. Alg
- Stroke Research Centre, University College London Queen Square Institute of Neurology, London WC1N 3BG, UK
| | - Henry Houlden
- Neurogenetics Laboratory, The National Hospital of Neurology and Neurosurgery, London WC1N 3BG, UK
| | - Mark K. Bakker
- Department of Neurology and Neurosurgery, University Medical Center Utrecht Brain Center, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Femke van’t Hof
- Department of Neurology and Neurosurgery, University Medical Center Utrecht Brain Center, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Gabriel J. E. Rinkel
- Department of Neurology and Neurosurgery, University Medical Center Utrecht Brain Center, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Tatiana Foroud
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Dongbing Lai
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Charles J. Moomaw
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Bradford B. Worrall
- Departments of Neurology and Public Health Sciences, University of Virginia School of Medicine, Charlottesville, VA 22903, USA
| | - Jildaz Caroff
- Department of Interventional Neuroradiology—NEURI Brain Vascular Center, Bicêtre Hospital, APHP, 94270 Le Kremlin Bicêtre, France
| | - Pacôme Constant-dits-Beaufils
- Institut national de la santé et de la recherche médicale (INSERM), CIC 1413, Clinique des Données, University Hospital Centre Nantes, 44000 Nantes, France
| | - Matilde Karakachoff
- Institut national de la santé et de la recherche médicale (INSERM), CIC 1413, Clinique des Données, University Hospital Centre Nantes, 44000 Nantes, France
| | - Antoine Rimbert
- Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS), University Hospital Centre Nantes, University of Nantes, L’institut Du Thorax, 44007 Nantes, France
| | - Aymeric Rouchaud
- Department of Neuroradiology, Dupuytren University Hospital, 87000 Limoges, France
| | - Emilia I. Gaal-Paavola
- Department of Neurosurgery, Helsinki University Hospital, University of Helsinki, 00260 Helsinki, Finland
- Clinical Neurosciences, University of Helsinki, Topeliuksenkatu 5, 00260 Helsinki, Finland
| | - Hanna Kaukovalta
- Department of Neurosurgery, Helsinki University Hospital, University of Helsinki, 00260 Helsinki, Finland
| | - Riku Kivisaari
- Department of Neurosurgery, Helsinki University Hospital, University of Helsinki, 00260 Helsinki, Finland
| | - Aki Laakso
- Department of Neurosurgery, Helsinki University Hospital, University of Helsinki, 00260 Helsinki, Finland
- Neurosurgery Research Group, Biomedicum, 00290 Helsinki, Finland
| | - Behnam Rezai Jahromi
- Department of Neurosurgery, Helsinki University Hospital, University of Helsinki, 00260 Helsinki, Finland
- Neurosurgery Research Group, Biomedicum, 00290 Helsinki, Finland
| | - Riikka Tulamo
- Neurosurgery Research Group, Biomedicum, 00290 Helsinki, Finland
- Department of Vascular Surgery, Helsinki University Hospital, University of Helsinki, 00290 Helsinki, Finland
| | - Christoph M. Friedrich
- Department of Computer Science, University of Applied Science and Arts, 44139 Dortmund, Germany
- Institute for Medical Informatics, Biometry and Epidemiology (IMIBE), University Hospital Essen, 45147 Essen, Germany
| | | | - Sven Hirsch
- ZHAW School of Life Sciences and Facility Management, 8820 Wädenswil, Switzerland
| | - Nathalie Isidor
- Neurosurgery Division, Department of Clinical Neurosciences, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Zolt Kulcsàr
- Diagnostic and Interventional, Department of Diagnostics, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Karl O. Lövblad
- Diagnostic and Interventional, Department of Diagnostics, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Olivier Martin
- SIB Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland
| | - Paolo Machi
- Diagnostic and Interventional, Department of Diagnostics, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Vitor Mendes Pereira
- Division of Neurosurgery, Department of Surgery, St Michael’s Hospital, University of Toronto, Toronto, ON M5B 1W8, Canada
| | | | - Karl Schaller
- Neurosurgery Division, Department of Clinical Neurosciences, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - Sabine Schilling
- ZHAW School of Life Sciences and Facility Management, 8820 Wädenswil, Switzerland
- Lucerne School of Business, Lucerne University of Applied Sciences, 6002 Lucerne, Switzerland
| | - Agnieszka Slowik
- Department of Neurology, Faculty of Medicine, Jagiellonian University Medical College, ul. Botaniczna 3, 31-503 Krakow, Poland
| | - Juha E. Jaaskelainen
- Neurosurgery NeuroCenter Kuopio, University Hospital Kuopio, 70210 Kuopio, Finland
- Institute of Clinical Medicine, Faculty of Health Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Mikael von und zu Fraunberg
- Neurosurgery NeuroCenter Kuopio, University Hospital Kuopio, 70210 Kuopio, Finland
- Institute of Clinical Medicine, Faculty of Health Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Jordi Jiménez-Conde
- Institut Hospital del Mar d’Investigacions Biomèdiques (IMIM) and Hospital del Mar, 08003 Barcelona, Spain
| | - Elisa Cuadrado-Godia
- Institut Hospital del Mar d’Investigacions Biomèdiques (IMIM) and Hospital del Mar, 08003 Barcelona, Spain
| | - Carolina Soriano-Tárraga
- Institut Hospital del Mar d’Investigacions Biomèdiques (IMIM) and Hospital del Mar, 08003 Barcelona, Spain
| | - Iona Y. Millwood
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford OX1 2JD, UK
- MRC Population Health Research Unit, University of Oxford, Oxford OX1 2JD, UK
| | - Robin G. Walters
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford OX1 2JD, UK
- MRC Population Health Research Unit, University of Oxford, Oxford OX1 2JD, UK
| | | | | | | | | | - Helen Kim
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
- Department of Epidemiology and Biostatistics, Institute for Human Genetics, University of California, San Francisco, CA 94143, USA
| | - Richard Redon
- Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS), University Hospital Centre Nantes, University of Nantes, L’institut Du Thorax, 44007 Nantes, France
| | - Nerissa U. Ko
- Department of Neurology, University of California, San Francisco, CA 94143, USA
| | - Guy A. Rouleau
- Montreal Neurological Institute and Hospital, McGill University, Montréal, QC H3A 0G4, Canada
| | - Antti Lindgren
- Neurosurgery NeuroCenter Kuopio, University Hospital Kuopio, 70210 Kuopio, Finland
- Institute of Clinical Medicine, Faculty of Health Sciences, University of Eastern Finland, 70210 Kuopio, Finland
- Department of Clinical Radiology, Kuopio University Hospital, 70210 Kuopio, Finland
| | - Mika Niemelä
- Department of Neurosurgery, Helsinki University Hospital, University of Helsinki, 00260 Helsinki, Finland
- Neurosurgery Research Group, Biomedicum, 00290 Helsinki, Finland
| | - Hubert Desal
- Department of Neuroradiology, University Hospital of Nantes, 44000 Nantes, France
| | - Daniel Woo
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Joseph P. Broderick
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - David J. Werring
- Stroke Research Centre, University College London Queen Square Institute of Neurology, London WC1N 3BG, UK
| | - Ynte M. Ruigrok
- Department of Neurology and Neurosurgery, University Medical Center Utrecht Brain Center, Utrecht University, 3584 CS Utrecht, The Netherlands
| | - Philippe Bijlenga
- Neurosurgery Division, Department of Clinical Neurosciences, Faculty of Medicine, Geneva University Hospitals, 1205 Geneva, Switzerland
- Correspondence: ; Tel.: +41-79-204-4043
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Wang K, Tan G, Tian R, Zhou H, Xiang C, Pan K. Circular RNA circ_0021001 regulates miR-148b-3p/GREM1 axis to modulate proliferation and apoptosis of vascular smooth muscle cells. Metab Brain Dis 2022; 37:2027-2038. [PMID: 35689751 DOI: 10.1007/s11011-022-01014-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 05/23/2022] [Indexed: 10/18/2022]
Abstract
Intracranial aneurysm (IA) is an abnormal expression in the intracranial arteries, which is related to the growth and apoptosis of vascular smooth muscle cells (VSMCs). Circular RNA (circRNA) circ_0021001 (also named circARFIP2) has been identified to mediate the regulation of VSMCs proliferation. However, the molecular mechanism of circ_0021001 involved in VSMC dysfunction in IA is poorly defined. The expression levels of circ_0021001, microRNA-148b-3p (miR-148b-3p), and Gremlin 1 (GREM1) were detected by real-time quantitative polymerase chain reaction (RT-qPCR). Cell viability, proliferation, cell cycle progression, and apoptosis were detected by Cell Counting Kit-8 (CCK-8), 5-ethynyl-2'-deoxyuridine (EdU), and flow cytometry assays. Protein levels of proliferating cell nuclear antigen (PCNA), p21, B-cell lymphoma-2 (Bcl-2), Bcl-2 related X protein (Bax), and GREM1 were examined by western blot assay. The binding relationship between miR-148b-3p and circ_0021001 or GREM1 was predicted by StarBase and then verified using a dual-luciferase reporter assay. The expression levels of circ_0021001 and GREM1 were increased, and that of miR-148b-3p was decreased in IA tissues and HUASMCs. Moreover, the downregulation of circ_0021001 could repress proliferation ability and induce apoptosis of HUASMCs. The mechanical analysis uncovered that circ_0021001 served as a sponge of miR-148b-3p to regulate GREM1 expression. Circ_0021001 silencing could suppress cell growth and induce apoptosis of HUASMCs partially through modulating the miR-148b-3p/GREM1, presented circ_0021001 as a promising therapeutic target for IA.
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Affiliation(s)
- Kui Wang
- Department of Neurosurgery, Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, 158 Wuyang Avenue, Enshi, Hubei, 445000, China
| | - Gaofeng Tan
- Department of Neurosurgery, Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, 158 Wuyang Avenue, Enshi, Hubei, 445000, China
| | - Renfu Tian
- Department of Neurosurgery, Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, 158 Wuyang Avenue, Enshi, Hubei, 445000, China
| | - Han Zhou
- Department of Neurosurgery, Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, 158 Wuyang Avenue, Enshi, Hubei, 445000, China
| | - Chunhui Xiang
- Department of Neurosurgery, Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, 158 Wuyang Avenue, Enshi, Hubei, 445000, China
| | - Ke Pan
- Department of Neurosurgery, Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, 158 Wuyang Avenue, Enshi, Hubei, 445000, China.
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