Rat HSPG ELISA Kit | HSPG elisa kit
Rat HSPG (Heparan Sulphate Proteoglycan) ELISA Kit
Typical Testing Data/Standard Curve (for reference only)
Principle of the Assay||This ELISA kit uses Sandwich-ELISA as the method. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to HSPG. Standards or samples are added to the appropriate micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for HSPG and Avidin-Horseradish Peroxidase (HRP) conjugate is added to each micro plate well successively and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain HSPG, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of a sulphuric acid solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm +/- 2 nm. The OD value is proportional to the concentration of HSPG. You can calculate the concentration of HSPG in the samples by comparing the OD of the samples to the standard curve.
NCBI and Uniprot Product Information
NCBI Description
This gene encodes the perlecan protein, which consists of a core protein to which three long chains of glycosaminoglycans (heparan sulfate or chondroitin sulfate) are attached. The perlecan protein is a large multidomain proteoglycan that binds to and cross-links many extracellular matrix components and cell-surface molecules. It has been shown that this protein interacts with laminin, prolargin, collagen type IV, FGFBP1, FBLN2, FGF7 and transthyretin, etc., and it plays essential roles in multiple biological activities. Perlecan is a key component of the vascular extracellular matrix, where it helps to maintain the endothelial barrier function. It is a potent inhibitor of smooth muscle cell proliferation and is thus thought to help maintain vascular homeostasis. It can also promote growth factor (e.g., FGF2) activity and thus stimulate endothelial growth and re-generation. It is a major component of basement membranes, where it is involved in the stabilization of other molecules as well as being involved with glomerular permeability to macromolecules and cell adhesion. Mutations in this gene cause Schwartz-Jampel syndrome type 1, Silverman-Handmaker type of dyssegmental dysplasia, and tardive dyskinesia. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, May 2014]
Uniprot Description
HSPG2: Integral component of basement membranes. Component of the glomerular basement membrane (GBM), responsible for the fixed negative electrostatic membrane charge, and which provides a barrier which is both size- and charge-selective. It serves as an attachment substrate for cells. Plays essential roles in vascularization. Critical for normal heart development and for regulating the vascular response to injury. Also required for avascular cartilage development. Defects in HSPG2 are the cause of Schwartz-Jampel syndrome (SJS1); a rare autosomal recessive disorder characterized by permanent myotonia (prolonged failure of muscle relaxation) and skeletal dysplasia, resulting in reduced stature, kyphoscoliosis, bowing of the diaphyses and irregular epiphyses. Defects in HSPG2 are the cause of dyssegmental dysplasia Silverman-Handmaker type (DDSH). The dyssegmental dysplasias are rare, autosomal recessive skeletal dysplasias with anisospondyly and micromelia. There are two recognized types: the severe, lethal DDSH and the milder Rolland-Desbuquois form. Individuals with DDSH also have a flat face, micrognathia, cleft palate and reduced joint mobility, and frequently have an encephalocoele. The endochondral growth plate is short, the calcospherites (which are spherical calcium-phosphorus crystals produced by hypertrophic chondrocytes) are unfused, and there is mucoid degeneration of the resting cartilage.
Protein type: Secreted, signal peptide; Cell adhesion; Motility/polarity/chemotaxis; Secreted
Chromosomal Location of Human Ortholog: 1p36.1-p34
Cellular Component: extracellular matrix; lysosomal lumen; extracellular space; focal adhesion; Golgi lumen; plasma membrane; extracellular region; basal lamina
Molecular Function: protein C-terminus binding; protein binding; metal ion binding
Biological Process: cardiac muscle development; phototransduction, visible light; extracellular matrix organization and biogenesis; glycosaminoglycan metabolic process; lipoprotein metabolic process; pathogenesis; embryonic skeletal morphogenesis; chondroitin sulfate metabolic process; glycosaminoglycan biosynthetic process; extracellular matrix disassembly; glycosaminoglycan catabolic process; protein localization; carbohydrate metabolic process; chondrocyte differentiation; angiogenesis; brain development; retinoid metabolic process; endochondral ossification
Disease: Schwartz-jampel Syndrome, Type 1; Dyssegmental Dysplasia, Silverman-handmaker Type
