Revision 7

#7302Store at +4C

1 个试剂盒

(96 assays)

Species Cross Reactivity

H

UniProt ID:

#P08069

Entrez-Gene Id:

#3480

Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
Product Includes Product # Quantity Color Storage Temp
Phospho-IGF-I Receptor β (Tyr1131)/Insulin Receptor β (Tyr1146) Rabbit mAb Coated Microwells 46365 96 tests +4C
IGF-I Receptor β Rabbit Detection mAb 18341 1 ea Red (Lyophilized) +4C
HRP Diluent 13515 5.5 ml Red +4C
TMB Substrate 7004 11 ml +4C
STOP Solution 7002 11 ml +4C
Sealing Tape 54503 2 ea +4C
ELISA Wash Buffer (20X) 9801 25 ml +4C
Cell Lysis Buffer (10X) 9803 15 ml -20C

*The microwell plate is supplied as 12 8-well modules - Each module is designed to break apart for 8 tests.

Description

The rapid protocol (RP) PathScan® Phospho-IGF-I Receptor beta (Tyr1131) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of IGF-I receptor beta protein when phosphorylated at Tyr1131 in a reduced assay time of 1.5 hours. Incubation of cell lysate and detection antibody on the coated microwell plate forms a sandwich with IGF-I receptor beta protein phosphorylated at Tyr1131 in a single step. The plate is then extensively washed and TMB reagent is added for signal development. The magnitude of absorbance for the developed color is proportional to the quantity of IGF-I receptor beta protein phosphorylated at Tyr1131. Learn more about all of your ELISA kit options here.

*Antibodies in this kit are custom formulations specific to kit.

Specificity/Sensitivity

The PathScan® RP Phospho-IGF-I Receptor β (Tyr1131) Sandwich ELISA Kit #7302 detects endogenous levels of IGF-I Receptor β protein phosphorylated at Tyr1131. The kit sensitivity is shown in Figure 1. This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.

Background

Type I insulin-like growth factor receptor (IGF-IR) is a transmembrane receptor tyrosine kinase that is widely expressed in many cell lines and cell types within fetal and postnatal tissues (1-3). Receptor autophosphorylation follows binding of the IGF-I and IGF-II ligands. Three tyrosine residues within the kinase domain (Tyr1131, Tyr1135, and Tyr1136) are the earliest major autophosphorylation sites (4). Phosphorylation of these three tyrosine residues is necessary for kinase activation (5,6). Insulin receptors (IRs) share significant structural and functional similarity with IGF-I receptors, including the presence of an equivalent tyrosine cluster (Tyr1146/1150/1151) within the kinase domain activation loop. Tyrosine autophosphorylation of IRs is one of the earliest cellular responses to insulin stimulation (7). Autophosphorylation begins with phosphorylation at Tyr1146 and either Tyr1150 or Tyr1151, while full kinase activation requires triple tyrosine phosphorylation (8).

  1. Adams, T.E. et al. (2000) Cell Mol Life Sci 57, 1050-93.
  2. Baserga, R. (2000) Oncogene 19, 5574-81.
  3. Scheidegger, K.J. et al. (2000) J Biol Chem 275, 38921-8.
  4. Hernández-Sánchez, C. et al. (1995) J Biol Chem 270, 29176-81.
  5. Lopaczynski, W. et al. (2000) Biochem Biophys Res Commun 279, 955-60.
  6. Baserga, R. (1999) Exp Cell Res 253, 1-6.
  7. White, M.F. et al. (1985) J Biol Chem 260, 9470-8.
  8. White, M.F. et al. (1988) J Biol Chem 263, 2969-80.

Background References

    Cross-Reactivity Key

    H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

    Trademarks and Patents

    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
    PathScan is a registered trademark of Cell Signaling Technology, Inc.
    All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

    限制使用

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    Revision 7
    #7302

    PathScan® RP Phospho-IGF-I Receptor β (Tyr1131) Sandwich ELISA Kit

    PathScan® RP Phospho-IGF-I Receptor β (Tyr1131) Sandwich ELISA Kit: Image 1 Expand Image
    Figure 1: IGF-I is phosphorylated at Tyr1131 in MCF-7 cells that were treated with 100 ng/ml of hIGF-I #8917 for 10 minutes at 37ºC. The relationship between lysate protein concentration from hIGF-I untreated and treated samples and the absorbance at 450 nm using the PathScan® RP Phospho-IGF-I Receptor β (Tyr1131) Sandwich ELISA Kit #7302 is shown in the upper figure. The corresponding western blots using the IGF-I Receptor β antibody (left panel) and Phospho-IGF-I Receptor β (Tyr1131) Antibody (right panel) are shown in the lower figure.