GRB14 Antibody

Code CSB-PA002809
Size US$100
  • Western Blot analysis of MCF7 cells using GRB14 Polyclonal Antibody
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Product Details

Uniprot No.
Target Names
Alternative Names
GRB14Growth factor receptor-bound protein 14 antibody; GRB14 adapter protein antibody
Raised in
Species Reactivity
Synthesized peptide derived from the Internal region of Human GRB14.
Immunogen Species
Homo sapiens (Human)
Purification Method
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
It differs from different batches. Please contact us to confirm it.
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Tested Applications
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:2000
IHC 1:100-1:300
ELISA 1:40000
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

Adapter protein which modulates coupling of cell surface receptor kinases with specific signaling pathways. Binds to, and suppresses signals from, the activated insulin receptor (INSR). Potent inhibitor of insulin-stimulated MAPK3 phosphorylation. Plays a critical role regulating PDPK1 membrane translocation in response to insulin stimulation and serves as an adapter protein to recruit PDPK1 to activated insulin receptor, thus promoting PKB/AKT1 phosphorylation and transduction of the insulin signal.
Gene References into Functions
  1. We investigated the modification of air pollution and diabetes association by a genetic risk score covering 63 T2D genes. Five single variants near GRB14, UBE2E2, PTPRD, VPS26A and KCNQ1 showed nominally significant interactions with PM10 (P<0.05). Our results suggest that genetic risk for T2D may modify susceptibility to air pollution through alterations in insulin sensitivity. PMID: 27281273
  2. The N-terminus of the BPS domain plays an important role in the regulation of human Grb14 and insulin receptor complex formation through phosphorylation, in addition to other domains. PMID: 28130417
  3. Colorectal cancer patients with high GRB14 levels had a shorter survival and GRB14 was upregulated at an advanced clinical stage with enhanced tumor invasion and lymph node metastasis. PMID: 26965150
  4. Phosphorylation of Grb14 BPS domain by GSK-3 correlates with complex forming of Grb14 and insulin receptor. PMID: 24535599
  5. Genes within recently identified loci associated with waist-hip ratio (WHR) exhibit fat depot-specific mRNA expression, which correlates with obesity-related traits. Adipose tissue (AT) mRNA expression of 6 genes (TBX15/WARS2, STAB1, PIGC, ZNRF3, GRB14 PMID: 23670221
  6. Modulation of mouse rod photoreceptor responses by Grb14 protein. PMID: 24273167
  7. ANKRD55 rs459193 and GRB14 rs13389219 associate with insulin resistance. PMID: 23457408
  8. Grb14 is the first negative regulator of CEACAM3-initiated bacterial phagocytosis and might help to focus granulocyte responses to the subcellular sites of pathogen-host cell contact PMID: 22948154
  9. A new role for Grb14 in finely tuning receptor signaling and modulating thyroid cancer progression. PMID: 22158039
  10. serves as an adaptor protein to recruit 3-phosphoinositede-dependent kinase-1 to activated insulin receptor, thus promoting Akt phosphorylation and transduction of the insulin signal PMID: 15210700
  11. regulation of Grb14 expression levels in response to hormonal stimuli, and are consistent with its role as a repressor of insulin signaling where it is induced as a negative feedback mechanism. PMID: 15372466
  12. Grb14 may regulate signalling through the insulin receptor by controlling its tyrosine dephosphorylation in a site-specific manner. PMID: 16582879
  13. GRB14 is a weight-loss-responsive gene in skeletal muscle. Its observed transcriptional modulation may improve insulin signaling, with weight loss. PMID: 16849634
  14. Grb14 regulates insulin action at two levels, through insulin receptors binding and by interfering with downstream pathways. PMID: 19359342

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Subcellular Location
Cytoplasm. Endosome membrane; Peripheral membrane protein.
Protein Families
GRB7/10/14 family
Tissue Specificity
Expressed at high levels in the liver, kidney, pancreas, testis, ovary, heart and skeletal muscle.
Database Links

HGNC: 4565

OMIM: 601524

KEGG: hsa:2888

STRING: 9606.ENSP00000263915

UniGene: Hs.411881

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