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Increased Galectin-...
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Nielsen, Morten A.Aarhus University,Aarhus University Hospital
(författare)
Increased Galectin-9 Levels Correlate with Disease Activity in Patients with DMARD-Naïve Rheumatoid Arthritis and Modulate the Secretion of MCP-1 and IL-6 from Synovial Fibroblasts
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:4eeff28f-41bd-4163-b1b0-671520a7c777
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https://lup.lub.lu.se/record/4eeff28f-41bd-4163-b1b0-671520a7c777URI
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https://doi.org/10.3390/cells12020327DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Background: Fibroblast-like synoviocytes (FLSs) are essential mediators in the expansive growth and invasiveness of rheumatoid synovitis, and patients with a fibroblastic-rich pauci-immune pathotype respond poorly to currently approved antirheumatic drugs. Galectin-9 (Gal-9) has been reported to directly modulate rheumatoid arthritis (RA) FLSs and to hold both pro- and anti-inflammatory properties. The objective of this study was to evaluate clinical and pathogenic aspects of Gal-9 in RA, combining national patient cohorts and cellular models. Methods: Soluble Gal-9 was measured in plasma from patients with newly diagnosed, treatment-naïve RA (n = 98). The disease activity score 28-joint count C-reactive protein (DAS28CRP) and total Sharp score were used to evaluate the disease course serially over a two-year period. Plasma and synovial fluid samples were examined for soluble Gal-9 in patients with established RA (n = 18). A protein array was established to identify Gal-9 binding partners in the extracellular matrix (ECM). Synovial fluid mononuclear cells (SFMCs), harvested from RA patients, were used to obtain synovial-fluid derived FLSs (SF-FLSs) (n = 7). FLSs from patients suffering from knee Osteoarthritis (OA) were collected from patients when undergoing joint replacement surgery (n = 5). Monocultures of SF-FLSs (n = 6) and autologous co-cultures of SF-FLSs and peripheral blood mononuclear cells (PBMCs) were cultured with and without a neutralizing anti-Gal-9 antibody (n = 7). The mono- and co-cultures were subsequently analyzed by flow cytometry, MTT assay, and ELISA. Results: Patients with early and established RA had persistently increased plasma levels of Gal-9 compared with healthy controls (HC). The plasma levels of Gal-9 were associated with disease activity and remained unaffected when adding a TNF-inhibitor to their standard treatment. Gal-9 levels were elevated in the synovial fluid of established RA patients with advanced disease, compared with corresponding plasma samples. Gal-9 adhered to fibronectin, laminin and thrombospondin, while not to interstitial collagens in the ECM protein array. In vitro, a neutralizing Gal-9 antibody decreased MCP-1 and IL-6 production from both RA FLSs and OA FLSs. In co-cultures of autologous RA FLSs and PBMCs, the neutralization of Gal-9 also decreased MCP-1 and IL-6 production, without affecting the proportion of inflammatory FLSs. Conclusions: In RA, pretreatment plasma Gal-9 levels in early RA were increased and correlated with clinical disease activity. Gal-9 levels remained increased despite a significant reduction in the disease activity score in patients with early RA. The in vitro neutralization of Gal-9 decreased both MCP-1 and IL-6 production in an inflammatory subset of RA FLSs. Collectively these findings indicate that the persistent overexpression of Gal-9 in RA may modulate synovial FLS activities and could be involved in the maintenance of subclinical disease activity in RA.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Køster, DitteAarhus University
(författare)
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Mehta, Akul Y.Harvard Medical School
(författare)
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Stengaard-Pedersen, KristianAarhus University Hospital
(författare)
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Busson, PierreUniversity of Paris-Saclay
(författare)
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Junker, PeterOdense University Hospital
(författare)
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Hørslev-Petersen, KimUniversity of Southern Denmark
(författare)
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Hetland, Merete LundUniversity of Copenhagen,Copenhagen University Hospital
(författare)
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Østergaard, MikkelUniversity of Copenhagen,Copenhagen University Hospital
(författare)
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Hvid, MaleneAarhus University
(författare)
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Leffler, HakonLund University,Lunds universitet,Avdelningen för mikrobiologi, immunologi och glykobiologi - MIG,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Microbiology, Immunology and Glycobiology - MIG,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)mmb-hle
(författare)
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Kragstrup, Tue W.Aarhus University,Aarhus University Hospital
(författare)
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Cummings, Richard D.Harvard Medical School
(författare)
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Deleuran, BentAarhus University,Aarhus University Hospital
(författare)
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Aarhus UniversityAarhus University Hospital
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Cells: MDPI AG12:22073-4409
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Nielsen, Morten ...
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Køster, Ditte
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Mehta, Akul Y.
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Stengaard-Peders ...
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Busson, Pierre
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Junker, Peter
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Hørslev-Petersen ...
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Hetland, Merete ...
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Østergaard, Mikk ...
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Hvid, Malene
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Leffler, Hakon
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Kragstrup, Tue W ...
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Cummings, Richar ...
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Deleuran, Bent
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- MEDICIN OCH HÄLSOVETENSKAP
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och Klinisk medicin
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