IRS-1 Antibody

ProSci
Product Code: PSI-3521
Product Group: Primary Antibodies
Supplier: ProSci
CodeSizePrice
PSI-3521-0.02mg0.02mg£150.00
Quantity:
PSI-3521-0.1mg0.1mg£449.00
Quantity:
Prices exclude any Taxes / VAT

Overview

Host Type: Rabbit
Antibody Isotype: IgG
Antibody Clonality: Polyclonal
Regulatory Status: RUO
Applications:
  • Enzyme-Linked Immunosorbent Assay (ELISA)
  • Immunofluorescence (IF)
  • Immunohistochemistry (IHC)
  • Western Blot (WB)

Images

1 / 3
Western blot analysis of IRS-1 in PC-3 cell lysate with IRS-1 antibody at (A) 1, (B) 2 and (C) 4 μg/mL.
2 / 3
Immunocytochemistry of IRS-1 in P815 cells with IRS-1 antibody at 2 μg/mL.
3 / 3
Immunofluorescence of IRS-1 in P815 cells with IRS-1 antibody at 2 μg/mL.

Western blot analysis of IRS-1 in PC-3 cell lysate with IRS-1 antibody at (A) 1, (B) 2 and (C) 4 μg/mL.
Immunocytochemistry of IRS-1 in P815 cells with IRS-1 antibody at 2 μg/mL.
Immunofluorescence of IRS-1 in P815 cells with IRS-1 antibody at 2 μg/mL.

Further Information

Additional Names:
IRS-1 Antibody: HIRS-1, Insulin receptor substrate 1, IRS-1
Application Note:
IRS-1antibody can be used for the detection of IRS-1 by Western blot at 1 - 4 μg/mL. Antibody can also be used for immunocytochemistry starting at 2 μg/mL. For immunofluorescence start at 2 μg/mL.

Antibody validated: Western Blot in human samples; Immunocytochemistry in mouse samples and Immunofluorescence in mouse samples. All other applications and species not yet tested.
Background:
IRS-1 Antibody: Following tyrosine phosphorylation, the insulin receptor substrate 1 and 2 (IRS-1 and IRS-2) can form a protein scaffolding for the assembly of a host of Src homology 2 (SH2) domain-containing proteins. IRS-1 tyrosine phosphorylation can occur through the activity of several cytokine and growth factor receptors such as interleukin (IL)-4, IL-9, interferon-gamma, in addition to the insulin and insulin-like growth factor 1 receptors. The scaffolding provided by IRS-1 and IRS-2 is necessary for insulin signal transduction across the cell membrane. IRS-1 tyrosine phosphorylation, and thus formation of the IRS scaffolding is inhibited by tumor necrosis factor (TNF), and this inhibition can itself be blocked by rapamycin, an inhibitor of the mammalian target of rapamycin (TOR). TNF activity could also be blocked by inhibition of the Akt kinase and the PTEN tumor suppressor, suggesting that TNF impairs insulin signaling through IRS-1 by activation of the TOR signaling pathway.
Background References:
  • Giovannone B, Scaldaferri ML, Federici M, et al. Insulin receptor substrate (IRS) transduction system: distinct and overlapping signaling potential. Diabetes Metab. Res. Rev. 2000; 16:434-41.
  • Waters SB and Pessin JE. Insulin receptor substrate 1 and 2 (IRS1 and IRS2): what a tangled web we weave. Trends in Cell Biol. 1996; 6:1-4.
  • Ozes ON, Akca H, Mayo LD, et al. A phosphatidylinositol 3-kinase/Akt/mTOR pathway mediates and PTEN antagonizes tumor necrosis factor inhibition of insulin signaling through insulin receptor substrate-1. Proc. Natl. Acad. Sci. USA 2001; 98:4640-5.
  • Shamji AF, Ngheim P, and Schreiber SL. Integration of growth factor and nutrient signaling: implications for cancer biology. Mol. Cell 2003; 12:271-80.
Buffer:
IRS-1 Antibody is supplied in PBS containing 0.02% sodium azide.
Concentration:
1 mg/mL
Conjugate:
Unconjugated
DISCLAIMER:
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Homology:
Predicted species reactivity based on immunogen sequence: Rat: (80%)
Immunogen:
IRS-1 antibody was raised against a 16 amino acid synthetic peptide from near the center of human IRS-1.

The immunogen is located within amino acids 910 - 960 of IRS-1.
NCBI Gene ID #:
3667
NCBI Official Name:
insulin receptor substrate 1
NCBI Official Symbol:
IRS1
NCBI Organism:
Homo sapiens
Physical State:
Liquid
Protein Accession #:
P35568
Protein GI Number:
547738
Purification:
IRS-1 Antibody is affinity chromatography purified via peptide column.
Research Area:
Signal Transduction
Swissprot #:
P35568
User NOte:
Optimal dilutions for each application to be determined by the researcher.

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