Resident synovial macrophages in synovial fluid : Implications for immunoregulation

Copyright © 2024. Published by Elsevier Inc.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - (2024) vom: 17. Dez., Seite 110422
1. Verfasser: Cyndari, Karen I (VerfasserIn)
Weitere Verfasser: Scorza, Breanna M, Zacharias, Zeb R, Pessôa-Pereira, Danielle, Strand, Leela, Mahachi, Kurayi, Oviedo, Juan Marcos, Gibbs, Lisa, Butler, Katherine L, Ausdal, Graham, Hendricks, Dylan, Yahashiri, Rika, Elkins, Jacob M, Gulbrandsen, Trevor, Peterson, Andrew R, Willey, Michael C, Fairfax, Keke C, Petersen, Christine A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Arthritis Immune regulation Joint space Macrophage Synovitis Synovium
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520 |a Resident synovial macrophages (RSMs) are anti-inflammatory, self-renewing macrophages that provide physical immune sequestration of the joint space from the peripheral immune system. Increased permeability of this structure is associated with peripheral immune cells in the synovial fluid (SF). Direct measures of synovial barrier integrity are possible with tissue histology, but after barrier breakdown, if these cells perpetuate or initiate chronic inflammation in SF remains unknown. We sought to identify RSM in human SF as an indirect measure of synovial barrier integrity. To validate findings, we created a novel ex vivo explant model using human synovium. scRNA-seq revealed these SF RSMs upregulated pro-fibrotic and pro-osteoclastic pathways in inflammatory arthritis, but not septic arthritis. Increased frequencies of RSMs in SF was associated with increased sRANKL regardless of underlying pathology. These findings suggest the frequency of RSMs in SF may correlate with synovial barrier damage and in turn, potential damage to joint structures 
650 4 |a Journal Article 
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650 4 |a Immune regulation 
650 4 |a Joint space 
650 4 |a Macrophage 
650 4 |a Synovitis 
650 4 |a Synovium 
700 1 |a Scorza, Breanna M  |e verfasserin  |4 aut 
700 1 |a Zacharias, Zeb R  |e verfasserin  |4 aut 
700 1 |a Pessôa-Pereira, Danielle  |e verfasserin  |4 aut 
700 1 |a Strand, Leela  |e verfasserin  |4 aut 
700 1 |a Mahachi, Kurayi  |e verfasserin  |4 aut 
700 1 |a Oviedo, Juan Marcos  |e verfasserin  |4 aut 
700 1 |a Gibbs, Lisa  |e verfasserin  |4 aut 
700 1 |a Butler, Katherine L  |e verfasserin  |4 aut 
700 1 |a Ausdal, Graham  |e verfasserin  |4 aut 
700 1 |a Hendricks, Dylan  |e verfasserin  |4 aut 
700 1 |a Yahashiri, Rika  |e verfasserin  |4 aut 
700 1 |a Elkins, Jacob M  |e verfasserin  |4 aut 
700 1 |a Gulbrandsen, Trevor  |e verfasserin  |4 aut 
700 1 |a Peterson, Andrew R  |e verfasserin  |4 aut 
700 1 |a Willey, Michael C  |e verfasserin  |4 aut 
700 1 |a Fairfax, Keke C  |e verfasserin  |4 aut 
700 1 |a Petersen, Christine A  |e verfasserin  |4 aut 
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