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Osteoarthritis (OA) is associated with cartilage breakdown, brought about by ADAMTS-5 mediated aggrecan degradation followed by MMP-derived aggrecan and type II collagen degradation. We investigated a novel anti-ADAMTS-5 inhibiting Nanobody® (M6495) on cartilage turnover ex vivo. Bovine cartilage (B...
September 20, 2020
Journal:
Int J Mol Sci
Author:
Siebuhr AS, Wekman D, Bay-Jensen AC, Thudium CS, Karsdal MA, Serruys B, Ladel C, Michaelis M, Lindemann S
PURPOSE: The aim of this \"Year in Review\" article is to summarize and discuss the implications of biochemical marker related articles published between the Osteoarthritis Research Society International (OARSI) 2015 Congress in Seattle and the OARSI 2016 Congress in Amsterdam. METHODS: The PubMed/...
January 16, 2017
Journal:
Osteoarthritis Cartilage
Author:
Mobasheri A, Bay-Jensen AC, Van Spil WE, Larkin J, Levesque MC
Objective: The specific degradation of type II collagen and aggrecan by matrix metalloproteinase (MMP)-9, -13 and ADAMTS-4 and -5 (aggrecanase-1 and -2) in the cartilage matrix is a critical step in pathology of osteoarthritis (OA). The aims of this study were: i) To investigate the relative contrib...
April 24, 2015
Journal:
PLoS One
Author:
He Y, Zheng Q, Jiang M, Christiansen TG, Kassem M, Karsdal MA, Bay-Jensen AC
Progressive loss of articular cartilage is a central hallmark in many joint disease, however, the relative importance of individual proteolytic pathways leading to cartilage erosion is at present unknown. We therefore investigated the time-dependant release ex vivo of MMP- and aggrecanase-derived fr...
December 18, 2009
Journal:
BMC Res Notes
Author:
Wang B, Chen P, Karsdal MA, Madsen SH, Sondergaard BC, Zheng Q, Qvist P, Bay-Jensen AC
INTRODUCTION: Physiological and pathophysiological cartilage turnover may coexist in articular cartilage. The distinct enzymatic processes leading to irreversible cartilage damage, compared with those needed for continuous self-repair and regeneration, remain to be identified. We investigated the ca...
May 8, 2008
Journal:
Arthritis Res Ther
Author:
Karsdal MA, Madsen SH, Christiansen C, Henriksen K, Fosang AJ, Sondergaard BC
OBJECTIVE: Calcitonin has been suggested to have chondroprotective effects. One signaling pathway of calcitonin is via the second messenger cAMP. We undertook this study to investigate whether increased cAMP levels in chondrocytes would be chondroprotective. METHODS: Cartilage degradation was induc...
May 20, 2007
Journal:
Arthritis Rheum
Author:
Karsdal MA, Sumer EU, Wulf H, Madsen SH, Christiansen C, Fosang AJ, Sondergaard BC
Aggrecan is one of the first proteins to be depleted from articular cartilage in early osteoarthritis. We investigated the molecular differences between matrix metalloproteinase (MMP)- and aggrecanase-mediated aggrecan degradation, as a consequence of their distinct time-dependent degradation profil...
November 8, 1983
Journal:
Biomarkers.
Author:
Madsen SH, Sumer EU, Bay-Jensen AC, Sondergaard BC, Qvist P, Karsdal MA
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