RGD Reference Report - Effect of glycosaminoglycans on matrix metalloproteinases in type II collagen-induced experimental arthritis. - Rat Genome Database

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Effect of glycosaminoglycans on matrix metalloproteinases in type II collagen-induced experimental arthritis.

Authors: Sandya, S  Sudhakaran, PR 
Citation: Sandya S and Sudhakaran PR, Exp Biol Med (Maywood). 2007 May;232(5):629-37.
RGD ID: 1642035
Pubmed: PMID:17463159   (View Abstract at PubMed)

Matrix metalloproteinases (MMPs) are a family of neutral proteinases that are involved in tissue remodeling by mediating degradation of extracellular matrix components in both physiology and pathology. As MMPs appear to play a key role in the degradation of cartilage matrix in the progression of arthritic disease, MMPs are considered as potential therapeutic targets. The effect of chondroitin sulfate A (CSA) on MMPs in type II collagen-induced experimental arthritis was studied. The anti-arthritic effect of CSA was evidenced by a decrease in marker activities like lysosomal beta-hexosaminidase and beta-glucuronidase. Arthritic animals showed significantly higher activity of MMP2 and MMP9 and increased levels of other MMPs, including MMP3 and MT-1 MMP in cartilage and serum. Treatment with CSA significantly decreased the activity of MMPs, particularly MMP9 in serum and synovial effusate and cartilage. The effect of CSA was further studied by fragmenting CSA into low-molecular-weight oligosaccharides. The oligosaccharide-treated animals showed considerably lower MMP activity (particularly MMP9) compared with arthritic controls. The CSA (and the oligosaccharides derived from it) not only reduced the activity of MMPs but also decreased the protein level expression of MMPs, indicating that the production of MMPs is affected. These results indicate that the antiarthritic effect of CSA involves down-regulation of MMPs, which are critically involved in the progression of arthritic disease.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Experimental Arthritis  ISOMmp9 (Rattus norvegicus)1642035; 1642035protein:increased expression:cartilage more ...RGD 
Experimental Arthritis  IEP 1642035protein:increased expression:cartilage more ...RGD 

Objects Annotated

Genes (Rattus norvegicus)
Mmp9  (matrix metallopeptidase 9)

Genes (Mus musculus)
Mmp9  (matrix metallopeptidase 9)

Genes (Homo sapiens)
MMP9  (matrix metallopeptidase 9)


Additional Information