Background:

YKL-40, also known as Chitinase-3-like protein 1 (CHI3L1), is a secreted glycoprotein encoded by the CHI3L1 gene . Unlike other members of the chitinase-like protein family, YKL-40 is not an active chitinase. It is produced by activated macrophages, chondrocytes, neutrophils, and synovial cells. It is a pro-inflammatory molecule that contributes to the progression of many inflammatory diseases, including fibrosis, neurodegenerative disease, breast, lung, prostate, liver, bladder, colon, and other types of cancers. Levels of YKL-40 in serum and plasma in patients with various types of tumors have been reported to predict poor prognosis, and in some clinical assays YKL-40 is being used as a predictive biomarker of cancer outcome.

Specificity:

CH13L1 polyclonal antibody detects endogenous levels of CH13L1 protein.

Alternative names:

Chitinase-3-like protein 1;39 kDa synovial protein;Cartilage glycoprotein 39;CGP-39;GP-39;hCGP-39;YKL-40;CHI3L1

Species reactivity:

Human

Host:

Rabbit

Ig type:

Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2.

Immunogen:

Synthetic peptide, corresponding to Human CH13L1.

Purification & Purity:

The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is > 95% (by SDS-PAGE).

Molecular weight:

~ 30-40kDa

Applications:

WB IHC

Usage:

WB: 1:2000~1:5000 IHC: 1:50~1:100

Storage:

Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze-thaw cycles.

Precautions:

For research use only, not for use in diagnostic procedure.

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