Publications
Find an abstract and a link to most of the publications produced by Nordic Bioscience
Spondyloarthritis (SpA) is an umbrella term describing a family of chronic inflammatory rheumatic diseases. These diseases are characterised by inflammation of the axial skeleton, peripheral joints, and entheseal insertion sites throughout the body which can lead to structural joint damage includ...
January 21, 2021
Journal:
Autoimmunity
Author:
Groen SS, Sinkeviciute D, Bay-Jensen AC, Thudium CS, Thomsen SF, Schett G, Nielsen SH, Karsdal MA
Ex vivo culture systems cover a broad range of experiments dedicated to studying tissue and cellular function in a native setting. Cartilage is a unique tissue important for proper function of the synovial joint and is constituted by a dense extracellular matrix (ECM), rich in proteoglycan and type ...
Background: Excessive cartilage degradation is a known characteristic of osteoarthritis (OA). Biochemical markers, such as uCTX-II, have been shown to be associated with disease severity, yet the tissue origin of CTX-II has been disputed. This analysis investigates the association between OA knee jo...
September 3, 2019
Journal:
Arthritis Res Ther
Author:
Bihlet AR, Byrjalsen I, Bay-Jensen AC, Andersen JR, Christiansen C, Riis BJ, Karsdal MA
Objective Gender is a risk factor in the onset of osteoarthritis (OA). The aim of the study was to investigate gender differences in contact area (CA) and congruity index (CI) in the medial tibiofemoral (MTF) joint in 2 different cohorts, quantified automatically from magnetic resonance imaging (MRI...
Inflammation driven connective tissue turnover is key in rheumatic diseases, such as ankylosing spondylitis (AS). Few biomarkers are available for measuring disease prognosis or the efficacy of interventions applied in these tissue-related conditions. Type II collagen is the primary structural prote...
August 1, 2013
Journal:
PLoS One.
Author:
Bay-Jensen AC, Wichuk S, Byrjalsen I, Leeming DJ, Morency N, Christiansen C, Maksymowych WP, Karsdal MA
The female predominance of polyarticular osteoarthritis (OA), and in particular the marked increase of OA in women after the menopause points to a likely involvement of female sex hormones in the maintenance of cartilage homeostasis. This perception has inspired many research groups to investigate t...
December 18, 2012
Journal:
Menopause Int.
Author:
Karsdal MA, Bay-Jensen AC, Henriksen K, Christiansen C
Ankylosing spondylitis (AS) is characterized by gradual cementation of the vertebrae, a process that is described by excessive extracellular matrix remodeling. Specific matrix metalloproteinase (MMP)-derived collagen fragments are released to the circulation, and measurement of those might act as bi...
November 17, 2012
Journal:
Rheumatol Int
Author:
Bay-Jensen AC, Leeming DJ, Kleyer A, Veidal SS, Schett G, Karsdal MA
Introduction: Glucocorticoids are known to attenuate bone formation in vivo leading to decreased bone volume and increased risk of fractures, whereas effects on the joint tissue are less characterized. However, glucocorticoids appear to have a reducing effect on inflammation and pain in osteoarthrit...
December 11, 2011
Journal:
Steroids
Author:
Madsen SH, Andreassen KV, Christensen ST, Karsdal MA, Sverdrup FM, Bay-Jensen AC, Henriksen K
Objective: The objective of this post hoc analysis was to investigate the effect of strontium ranelate on a cartilage degradation marker in postmenopausal women who participated in a randomized, placebo-controlled osteoporosis study. Women were stratified according to reported symptoms of osteoarthr...
Background: Calcitonin has been demonstrated to have chondroprotective effects under pre-clinical settings. It is debated whether this effect is mediated through subchondral-bone, directly on cartilage or both in combination. We investigated possible direct effects of salmon calcitonin on proteoglyc...
April 5, 2010
Journal:
BMC Musculoskelet Disord.
Author:
Sondergaard BC, Madsen SH, Segovia-Silvestre T, Paulsen SJ, Christiansen T, Pedersen C, Bay-Jensen AC, Karsdal MA
Osteoarthritis (OA) is a disease of the entire joint. Different treatment strategies for OA have been proposed and tested clinically without the desired efficacy. One reason for the scarcity of current chondroprotective agents may be the insufficient understanding of the patho-physiology of the join...
February 28, 2010
Journal:
Rheumatol Int
Author:
Bay-Jensen AC, Hoegh-Madsen S, Dam E, Henriksen K, Sondergaard BC, Pastoureau P, Qvist P, Karsdal MA
Background: The aim of this study was to investigate the pharmacokinetic and pharmacodynamic parameters of oral salmon calcitonin (oSCT) administered over 14 days to men and women presenting with osteoarthritis (OA). Materials and methods: The study was a phase-I, 2-week, placebo-controlled, double...
February 18, 2010
Journal:
Osteoarthritis Cartilage
Author:
Karsdal MA, Byrjalsen I, Henriksen K, Riis BJ, Lau EM, Arnold M, Christiansen C
Recent disappointments in late stage developments of anti-osteoarthritic drugs have reinforced efforts to develop better biomarkers for application in both the drug development process as well as in the routine management of these patients. Here we provide a brief review of biochemical tests availab...
February 8, 2010
Journal:
Assay Drug Dev Technol
Author:
Bay-Jensen AC, Sondergaard BC, Christiansen C, Karsdal MA, Madsen SH, Qvist P
Objectives: The aim of this study was to investigate the time-dependent effect of insulin-like growth factor-I (IGF)-I on cartilage, evaluated by a novel procollagen type II N-terminal propeptide (PIINP) formation assay. This was performed in a cartilage model. Methods: Bovine articular cartilage e...
The aim of this study was to assess the bioavailability and pharmacodynamic efficacy of synthetic salmon calcitonin (ssCT) and recombinant salmon calcitonin (rsCT) in healthy postmenopausal women. The study was a single-blind, randomized study. Participants were 36 postmenopausal women 62 to 74 year...
November 8, 1983
Journal:
J Clin Pharmacol.
Author:
Karsdal MA, Byrjalsen I, Henriksen K, Riis BJ, Christiansen C
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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