I2533
Anti-phospho-Insulin Receptor Substrate-1 (pSer312) antibody produced in rabbit
affinity isolated antibody, buffered aqueous glycerol solution
Synonym(s):
Anti-phospho-IRS-1(pSer312)
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About This Item
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biological source
rabbit
Quality Level
conjugate
unconjugated
antibody form
affinity isolated antibody
antibody product type
primary antibodies
clone
polyclonal
form
buffered aqueous glycerol solution
species reactivity
human
technique(s)
western blot: 1:1000 using stimulated CHO cell line
UniProt accession no.
shipped in
wet ice
storage temp.
−20°C
target post-translational modification
phosphorylation (pSer312)
Gene Information
human ... IRS1(3667)
mouse ... Irs1(16367)
rat ... Irs1(25467)
General description
Insulin receptor substrate-1 (IRS-1) is among the four IRS proteins (IRS-1-IRS-4) that mediate signalling by insulin receptor (IR) and insulin-like growth factor (IGF) receptor. IRS-1 has a pleckstrin homology domain and a phosphotyrosine-binding domain. Phosphorylation of the Tyr1179 residue in the SH-1 negatively regulates insulin. IRS-1 has the abililty to translocate to the nucleus, the mechanism of which is not very clear. Estrogen receptors (ER) α and β have a strong affinity to IRS-1, an important interaction in breast cancers and medulloblastomas. The expression of IRS-1 in prostate cancer is associated with lower tumor cell invasiveness. Along with ER α, IRS-1 also modulates transcriptional activity involved in the development of breast and prostate cancer. The signalling pathway involving IGF-IR-IRS-1 in cells expressing JCV T-antigen has been reported to affect the proliferation, survival and DNA repair in the cells. Phosphorylation of IRS-1 at Ser312 and Ser616 results in the negative regulation of insulin signalling in humans
Anti-phospho-IRS-1 (pSer312) specifically recognizes human IRS-1 (pSer312). It may react with mouse and rat (100% homology) IRS-1.
Anti-phospho-IRS-1 (pSer312) specifically recognizes human IRS-1 (pSer312). It may react with mouse and rat (100% homology) IRS-1.
Immunogen
synthetic phosphopeptide derived from the region of IRS-1 that contains serine 312. This sequence is 100% homologous with mouse and rat IRS-1.
Application
Anti-phospho-IRS-1 (pSer312) antibody may be used for detection by immunoblotting, in stimulated CHO cell line expressing human insulin receptor, at a working dilution of 1:1000.
Physical form
Solution in Dulbecco′s phosphate buffered saline (without Mg2+ and Ca2+), pH 7.3 containing 50% glycerol, 1.0 mg/mL BSA (IgG, protease free) and 0.05% sodium azide.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Vincent Aguirre et al.
The Journal of biological chemistry, 277(2), 1531-1537 (2001-10-19)
Serine phosphorylation of insulin receptor substrate-1 (IRS-1) inhibits insulin signal transduction in a variety of cell backgrounds, which might contribute to peripheral insulin resistance. However, because of the large number of potential phosphorylation sites, the mechanism of inhibition has been
Joanna Trojanek et al.
Journal of cellular physiology, 206(1), 35-46 (2005-06-21)
JC polyomavirus (JCV), which infects 90% of the human population, is detectable in human tumors. Its early protein, JCV T-antigen, transforms cells in vitro and is tumorigenic in experimental animals. Although T-antigen-mediated transformation involves genetic alterations of the affected cells
Sindhu Saraswathy et al.
Experimental eye research, 196, 108064-108064 (2020-05-23)
This work sought to compare aqueous angiographic segmental patterns with bead-based methods which directly visualize segmental trabecular meshwork (TM) tracer trapping. Additionally, segmental protein expression differences between aqueous angiographic-derived low- and high-outflow human TM regions were evaluated. Post-mortem human eyes
Catia Morelli et al.
Oncogene, 23(45), 7517-7526 (2004-08-20)
Insulin receptor substrate 1 (IRS-1) is a major signaling molecule activated by the insulin and insulin-like growth factor I receptors. Recent data obtained in different cell models suggested that in addition to its conventional role as a cytoplasmic signal transducer
X J Sun et al.
The Journal of biological chemistry, 267(31), 22662-22672 (1992-11-15)
IRS-1 is a major insulin receptor substrate which may play an important role in insulin signal transmission. The mRNA for IRS-1 in rat cells and tissues is about 9.5 kilobases (kb). Rat liver IRS-1 was stably expressed in Chinese hamster
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