Rat Insulin Receptor, INSR ELISA Kit | INSR elisa kit

Rat Insulin Receptor, INSR ELISA Kit

Cat. Num. AAA163295

• Gene Names: INSR; HHF5; CD220
• Reactivity: Rat
• Synonyms: Insulin Receptor; INSR; Rat Insulin Receptor; INSR ELISA Kit; INSR elisa kit

• Reactivity: Rat
• Sequence Length: 1382

• Samples: Serum, plasma, cell culture supernates, cell lysates, tissue homogenates
• Assay Type: Quantitative Sandwich
• Detection Range: 0.5ng/ml - 150ng/ml
• Sensitivity: 0.26ng/ml
• Intra-Assay: CV<8%
• Inter-Assay: CV<10%
• Preparation and Storage: Store at 2 to 8 degree C for 6 months.

Typical Testing Data/Standard Curve (for reference only)

Related Product Information for INSR elisa kit

Intended Uses: This sandwich kit is for the accurate quantitative detection of Rat Insulin Receptor (also known as INSR) in serum, plasma, cell culture supernates, cell lysates, tissue homogenates.

Principles of the Assay: This kit is an Enzyme-Linked Immunosorbent Assay (ELISA). The plate has been pre-coated with Rat INSR antibody. INSR present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Rat INSR Antibody is added and binds to INSR in the sample. Then Streptavidin-HRP is added and binds to the Biotinylated INSR antibody. After incubation unbound Streptavidin-HRP is washed away during a washing step. Substrate solution is then added and color develops in proportion to the amount of Rat INSR. The reaction is terminated by addition of acidic stop solution and absorbance is measured at 450 nm.

NCBI and Uniprot Product Information

• NCBI GI #: 386830
• NCBI GeneID: 3643
• UniProt Accession #: P06213; Q17RW0; Q59H98; Q9UCB7; Q9UCB8; Q9UCB9
• Molecular Weight: 155,146 Da
• NCBI Official Full Name: insulin receptor
• NCBI Official Synonym Full Names: insulin receptor
• NCBI Official Symbol: INSR
• NCBI Official Synonym Symbols: HHF5; CD220
• NCBI Protein Information: insulin receptor
• UniProt Protein Name: Insulin receptor
• Protein Family: Insulin receptor
• UniProt Gene Name: INSR
• UniProt Synonym Gene Names: IR

NCBI Description

This gene encodes a member of the receptor tyrosine kinase family of proteins. The encoded preproprotein is proteolytically processed to generate alpha and beta subunits that form a heterotetrameric receptor. Binding of insulin or other ligands to this receptor activates the insulin signaling pathway, which regulates glucose uptake and release, as well as the synthesis and storage of carbohydrates, lipids and protein. Mutations in this gene underlie the inherited severe insulin resistance syndromes including type A insulin resistance syndrome, Donohue syndrome and Rabson-Mendenhall syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2015]

Uniprot Description

Receptor tyrosine kinase which mediates the pleiotropic actions of insulin. Binding of insulin leads to phosphorylation of several intracellular substrates, including, insulin receptor substrates (IRS1, 2, 3, 4), SHC, GAB1, CBL and other signaling intermediates. Each of these phosphorylated proteins serve as docking proteins for other signaling proteins that contain Src-homology-2 domains (SH2 domain) that specifically recognize different phosphotyrosine residues, including the p85 regulatory subunit of PI3K and SHP2. Phosphorylation of IRSs proteins lead to the activation of two main signaling pathways: the PI3K-AKT/PKB pathway, which is responsible for most of the metabolic actions of insulin, and the Ras-MAPK pathway, which regulates expression of some genes and cooperates with the PI3K pathway to control cell growth and differentiation. Binding of the SH2 domains of PI3K to phosphotyrosines on IRS1 leads to the activation of PI3K and the generation of phosphatidylinositol-(3, 4, 5)-triphosphate (PIP3), a lipid second messenger, which activates several PIP3-dependent serine/threonine kinases, such as PDPK1 and subsequently AKT/PKB. The net effect of this pathway is to produce a translocation of the glucose transporter SLC2A4/GLUT4 from cytoplasmic vesicles to the cell membrane to facilitate glucose transport. Moreover, upon insulin stimulation, activated AKT/PKB is responsible for: anti-apoptotic effect of insulin by inducing phosphorylation of BAD; regulates the expression of gluconeogenic and lipogenic enzymes by controlling the activity of the winged helix or forkhead (FOX) class of transcription factors. Another pathway regulated by PI3K-AKT/PKB activation is mTORC1 signaling pathway which regulates cell growth and metabolism and integrates signals from insulin. AKT mediates insulin-stimulated protein synthesis by phosphorylating TSC2 thereby activating mTORC1 pathway. The Ras/RAF/MAP2K/MAPK pathway is mainly involved in mediating cell growth, survival and cellular differentiation of insulin. Phosphorylated IRS1 recruits GRB2/SOS complex, which triggers the activation of the Ras/RAF/MAP2K/MAPK pathway. In addition to binding insulin, the insulin receptor can bind insulin-like growth factors (IGFI and IGFII). Isoform Short has a higher affinity for IGFII binding. When present in a hybrid receptor with IGF1R, binds IGF1. PubMed:12138094 shows that hybrid receptors composed of IGF1R and INSR isoform Long are activated with a high affinity by IGF1, with low affinity by IGF2 and not significantly activated by insulin, and that hybrid receptors composed of IGF1R and INSR isoform Short are activated by IGF1, IGF2 and insulin. In contrast, PubMed:16831875 shows that hybrid receptors composed of IGF1R and INSR isoform Long and hybrid receptors composed of IGF1R and INSR isoform Short have similar binding characteristics, both bind IGF1 and have a low affinity for insulin.