Background: YKL-39 is a 390 amino acid cartilage protein that belongs to the chitinase family of chitin-fragmenting hydrolases. Highly expressed in chondrocytes (cartilage cells) and synoviocytes (fibroblastic cells that line joint cavities), YKL-39 binds glycan structures with high affinity. Although related to bacterial chitinases, YKL-39 lacks the characteristic glutamate active site and, thus, does not have enzymatic chitinase activity. Patients affected with rheumatoid arthritis (RA) have autoimmunity against YKL-39, suggesting that YKL-39 is involved in osteoarthritic and/or rheumatoid joint disease. Additionally, YKL-39 is upregulated in early degenerative cartilage diseases (such as RA) and may be a marker of chondrocyte activation in these autoimmune conditions.
Description: Rabbit polyclonal to CHI3L2
Immunogen: KLH conjugated synthetic peptide derived from CHI3L2
Specificity: ·Reacts with Human, Mouse and Rat.
·Isotype: IgG
Application: ·Western blotting: 1/100-500. Predicted Mol wt: 44 kDa;
·Immunohistochemistry (Paraffin/frozen tissue section): 1/50-200;
·Immunocytochemistry/Immunofluorescence: 1/100;
·Immunoprecipitation: 1/50;
·ELISA: 1/500;
·Optimal working dilutions must be determined by the end user.
