Background:

Osteopontin (OPN), also designated bone sialoprotein 1, urinary stone protein, spp-1, Eta-1, nephropontin and uropontin, is an extracellular matrix cell adhesion phosphoglycoprotein. OPN is deposited into unmineralized matrix prior to calcification leading to localization at various tissue interfaces including cement lines, lamina limitans and between collagen fibrils of fully matured hard tissues. While OPN is a major product of osteoblasts, it is also synthesized by brain and kidney cells. OPN isolated from or secreted by various tissues ranges in molecular weight due to posttranslational modifications. OPN functions as a substrate for transglutaminase and is involved in cell adhesion, chemoattraction and immunomodulation.

Specificity:

Osteopontin polyclonal antibody detects endogenous levels of Osteopontin protein.

Alternative names:

SPP-1, SPP1, BNSP, OPN, PSEC0156, BNSP, Bone sialoprotein 1, BSP I, BSPI, Early T lymphocyte activation 1, ETA 1, ETA1, MGC110940, Nephropontin, OPN, Osteopontin, osteopontin/immunoglobulin alpha 1 heavy chain constant region fusion protein, OSTP, PSEC0156, secreted phosphoprotein 1 (osteopontin, bone sialoprotein I, early T-lymphocyte activation 1), Secreted phosphoprotein 1, SPP 1, SPP-1, SPP1, SPP1/CALPHA1 fusion, Urinary stone protein, Uropontin,

Species reactivity:

Human, Mouse

Host:

Rabbit

Ig type:

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

Immunogen:

Peptide

Purification & Purity:

Peptide affinity purified

Molecular weight:

32 kDa

Applications:

IHC ELISA

Usage:

IHC:1:50-1:200 ELISA:1:5,000-1:10,000

Storage:

Store at +4°C after thawing. Aliquot store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Precautions:

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

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