1
|
Binet F, Cagnone G, Crespo-Garcia S, Hata M, Neault M, Dejda A, Wilson AM, Buscarlet M, Mawambo GT, Howard JP, Diaz-Marin R, Parinot C, Guber V, Pilon F, Juneau R, Laflamme R, Sawchyn C, Boulay K, Leclerc S, Abu-Thuraia A, Côté JF, Andelfinger G, Rezende FA, Sennlaub F, Joyal JS, Mallette FA, Sapieha P. Neutrophil extracellular traps target senescent vasculature for tissue remodeling in retinopathy. Science 2020; 369:369/6506/eaay5356. [PMID: 32820093 DOI: 10.1126/science.aay5356] [Citation(s) in RCA: 116] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 05/17/2020] [Accepted: 07/06/2020] [Indexed: 01/10/2023]
Abstract
In developed countries, the leading causes of blindness such as diabetic retinopathy are characterized by disorganized vasculature that can become fibrotic. Although many such pathological vessels often naturally regress and spare sight-threatening complications, the underlying mechanisms remain unknown. Here, we used orthogonal approaches in human patients with proliferative diabetic retinopathy and a mouse model of ischemic retinopathies to identify an unconventional role for neutrophils in vascular remodeling during late-stage sterile inflammation. Senescent vasculature released a secretome that attracted neutrophils and triggered the production of neutrophil extracellular traps (NETs). NETs ultimately cleared diseased endothelial cells and remodeled unhealthy vessels. Genetic or pharmacological inhibition of NETosis prevented the regression of senescent vessels and prolonged disease. Thus, clearance of senescent retinal blood vessels leads to reparative vascular remodeling.
Collapse
Affiliation(s)
- François Binet
- Departments of Ophthalmology and.,Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Gael Cagnone
- Departments of Pediatrics and.,Pharmacology, Centre Hospitalier Universitaire Ste-Justine, University of Montreal, Montréal, Quebec H3T 1C5, Canada
| | - Sergio Crespo-Garcia
- Departments of Ophthalmology and.,Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Masayuki Hata
- Departments of Ophthalmology and.,Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Mathieu Neault
- Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Agnieszka Dejda
- Departments of Ophthalmology and.,Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | | | - Manuel Buscarlet
- Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Gaelle Tagne Mawambo
- Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | | | - Roberto Diaz-Marin
- Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | | | | | | | | | | | - Christina Sawchyn
- Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Karine Boulay
- Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | | | - Afnan Abu-Thuraia
- Institut de Recherches Cliniques de Montréal, University of Montreal, Montreal, Quebec H2W 1R7, Canada
| | - Jean-François Côté
- Institut de Recherches Cliniques de Montréal, University of Montreal, Montreal, Quebec H2W 1R7, Canada
| | | | | | - Florian Sennlaub
- Institut National de la Santé et de la Recherche Médicale, U 968 Paris F-75012, France
| | - Jean-Sébastien Joyal
- Departments of Ophthalmology and .,Departments of Pediatrics and.,Pharmacology, Centre Hospitalier Universitaire Ste-Justine, University of Montreal, Montréal, Quebec H3T 1C5, Canada.,Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec H3A 2B4, Canada
| | - Frédérick A Mallette
- Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada. .,Department of Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada
| | - Przemyslaw Sapieha
- Departments of Ophthalmology and .,Biochemistry and Molecular Medicine, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal, Quebec H1T 2M4, Canada.,Department of Neurology-Neurosurgery, McGill University, Montreal, Quebec H3A 2B4, Canada
| |
Collapse
|