The heterogeneous nature of osteoarthritis (OA) and the need to subtype patients is widely accepted in the field. The biomarker CRPM, a metabolite of C-reactive protein (CRP), is released to the circulation during inflammation. Blood CRPM levels have shown to be associated with disease activity and ...
March 22, 2021
Journal:
Sci Rep
Author:
Bay-Jensen AC, Byrjalsen I, Andersen JR, Riis BJ, Christiansen C, Michaelis M, Guehring H, Ladel C, Karsdal MA, Bihlet AR
Sprifermin, recombinant human fibroblast growth factor 18 (rhFGF18), induces cartilage regeneration in knees of patients with osteoarthritis (OA). We hypothesized that a temporal multiphasic process of extracellular matrix (ECM) degradation and formation underlie this effect. We aimed to characteriz...
April 7, 2020
Journal:
Sci Rep
Author:
Reker D, Siebuhr AS, Thudium CS, Gantzel T, Ladel C, Michaelis M, Aspberg A, Berchtold MW, Karsdal MA, Gigout A, Bay-Jensen AC
Objective: Links between pain and joint degradation are poorly understood. We investigated the role of activation of Toll-like receptors (TLR) by cartilage metabolites in initiating and maintaining the inflammatory loop in OA causing joint destruction. Methods: Synovial membrane explants (SMEs) wer...
November 14, 2019
Journal:
Osteoarthritis Cartilage
Author:
Sharma N, Kayed A, Chen Z, Kjelgaard-Petersen CF, Gantzel T, Karsdal MA, Ladel C, Bay-Jensen AC, Lindemann S, Thudium CS, Michaelis M, Drobinski PJ
N-terminal propeptide of type II collagen (PIINP) is a biomarker reflecting cartilage formation. PIINP exists in two main splice variants termed as type IIA and type IIB collagen NH₂-propeptide (PIIANP, PIIBNP). PIIANP has been widely recognized as a cartilage formation biomarker. However, the utili...
November 6, 2018
Journal:
Int J Mol Sci
Author:
Luo Y, He Y, Gudmann NS, Henriksen K, Simonsen O, Ladel C, Mobasheri A, Karsdal MA, Bay-Jensen AC, Michaelis M
BACKGROUND: Sprifermin (recombinant human fibroblast growth factor 18) is in clinical development as a potential disease-modifying osteoarthritis drug (DMOAD). In vitro studies have shown that cartilage regenerative properties of sprifermin involve chondrocyte proliferation and extracellular matrix ...
December 12, 2017
Journal:
J Transl Med
Author:
Reker D, Kjelgaard-Petersen CF, Siebuhr AS, Michaelis M, Gigout A, Karsdal MA, Ladel C, Bay-Jensen AC
OBJECTIVE: Fibroblast growth factor (FGF) 18 has been shown to increase cartilage volume when injected intra-articularly in animal models of osteoarthritis (OA) and in patients with knee OA (during clinical development of the recombinant human FGF18, sprifermin). However, the exact nature of this ef...
August 18, 2017
Journal:
Osteoarthritis Cartilage
Author:
Gigout A, Guehring H, Froemel D, Meurer A, Ladel C, Reker D, Bay-Jensen AC, Karsdal MA, Lindemann S
Osteoarthritis (OA) is the biggest unmet medical need among the many musculoskeletal conditions and the most common form of arthritis. It is a major cause of disability and impaired quality of life in the elderly. We review several ambitious but failed attempts to develop joint structure-modifying t...
August 2, 2016
Journal:
Osteoarthritis Cartilage
Author:
Karsdal MA, Michaelis M, Ladel C, Siebuhr AS, Bihlet AR, Andersen JR, Guehring H, Christiansen C, Bay-Jensen AC, Kraus VB
OBJECTIVE: Characterize biomarkers measuring extracellular matrix turnover of inflamed osteoarthritis synovium. METHODS: Human primary fibroblast-like synoviocytes and synovial membrane explants (SMEs) treated with various cytokines and growth factors were assessed by C1M, C3M, and acMMP3 in the co...
February 10, 2016
Journal:
Biomarkers
Author:
Bay-Jensen AC, Karsdal MA, Ladel C, Christiansen TG, Siebuhr AS, Kjelgaard-Petersen CF
Background/purpose: The aim of this study was to identify key characteristics of disease progression through investigation of the association of radiographic progression over two years with baseline Joint Space Width (JSW), Kellgren-Lawrence (KL) grade, Western Ontario and McMaster Universities Arth...
April 1, 2015
Journal:
Osteoarthritis Cartilage
Author:
Karsdal MA, Bihlet AR, Byrjalsen I, Alexandersen P, Ladel C, Andersen JR, Riis BJ, Kraus VB, Bay-Jensen AC, Christiansen C, Michaelis M
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