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Time-dependent chan...
Time-dependent changes in gene expression induced in vitro by interleukin-1 beta in equine articular cartilage
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- Löfgren, Maria (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Inst för biomedicin och veterinär folkhälsovetenskap,Department of Biomedical Science and Veterinary Public Health
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- Svala, Emilia (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine,Inst för biomedicin och veterinär folkhälsovetenskap,Department of Biomedical Science and Veterinary Public Health,University of Gothenburg
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- Lindahl, Anders, 1954 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine
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- Skiöldebrand, Eva (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine,Inst för biomedicin och veterinär folkhälsovetenskap,Department of Biomedical Science and Veterinary Public Health,University of Gothenburg
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- Ekman, Stina (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Inst för biomedicin och veterinär folkhälsovetenskap,Department of Biomedical Science and Veterinary Public Health
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(creator_code:org_t)
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- Elsevier BV, 2018
- 2018
- English.
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In: Research in Veterinary Science. - : Elsevier BV. - 0034-5288 .- 1532-2661. ; 118, s. 466-476
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Osteoarthritis is an inflammatory and degenerative joint disease commonly affecting horses. To identify genes of relevance for cartilage pathology in osteoarthritis we studied the time-course effects of interleukin (IL)-1 beta on equine articular cartilage. Articular cartilage explants from the distal third metacarpal bone were collected postmortem from three horses without evidence of joint disease. The explants were stimulated with IL-1 beta for 27 days and global gene expression was measured by microarray. Gene expression was compared to that of unstimulated explants at days 3, 9, 15, 21 and 27. Release of inflammatory proteins was measured using Proximity Extension Assay. Stimulation with IL-1 beta led to time-dependent changes in gene expression related to inflammation, the extracellular matrix (ECM), and phenotypic alterations. Gene expression and protein release of cytokines, chemokines, and matrix-degrading enzymes increased in the stimulated explants. Collagen type II was down regulated from day 15, whereas other ECM molecules were downregulated earlier. In contrast molecules involved in ECM signaling (perlecan, chondroitin sulfate proteoglycan 4, and syndecan 4) were upregulated. At the late time points, genes related to a chondrogenic phenotype were downregulated, and genes related to a hypertrophic phenotype were upregulated, suggesting a transition towards hypertrophy later in the culturing period. The data suggest that this in vitro model mimics time course events of in vivo inflammation in OA and it may be valuable as an in vitro tool to test treatments and to study disease mechanisms.
Subject headings
- LANTBRUKSVETENSKAPER -- Veterinärmedicin (hsv//swe)
- AGRICULTURAL SCIENCES -- Veterinary Science (hsv//eng)
- LANTBRUKSVETENSKAPER -- Veterinärmedicin -- Medicinsk biovetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Veterinary Science -- Medical Bioscience (hsv//eng)
Keyword
- Osteoarthritis
- Inflammation
- Extracellular matrix
- Chondrocyte
- chondrocyte differentiation pathway
- ii collagen gene
- rheumatoid-arthritis
- pericellular matrix
- candidate genes
- osteoarthritis
- perlecan
- sox9
- proteoglycan
- notch
- Veterinary Sciences
Publication and Content Type
- ref (subject category)
- art (subject category)
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