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Western blot analysis of lysates from NIH/3T3 cells treated and untreated with UV light. Both membranes were probed with Phospho-c-Jun (Ser73) Antibody #9164 (left) and the same antibody preincubated with antigen-specific blocking peptide (right).

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Product Description

This peptide is used to block Phospho-c-Jun (Ser73) Antibody #9164 reactivity by western blot and Phospho-c-Jun (Ser73) (D47G9) XP® Rabbit mAb #3270 by immunohistochemistry.


Quality Control

The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry. The peptide blocks Phospho-c-Jun (Ser73) Antibody #9164 signal completely in western blotting and Phospho-c-Jun (Ser73) (D47G9) XP® Rabbit mAb #3270 signal completely in immunohistochemistry.

Product Usage Information

For western immunoblotting, add 10 µl of antibody and 10 µl of blocking peptide to 10 ml of antibody dilution buffer, and incubate at room temperature for 30 minutes before allowing to react with the blot. For immunohistochemistry, add twice the volume of peptide as volume of antibody used in 100 μl total volume. Incubate for a minimum of 30 minutes prior to adding the entire volume to the slide. Recommended antibody dilutions can be found on the Phospho-c-Jun (Ser73) (D47G9) XP® Rabbit mAb #3270 data sheet.


Storage:

Supplied in 20 mM potassium phosphate (pH 7.0), 50 mM NaCl, 0.1 mM EDTA, 1 mg/ml BSA and 5% glycerol. Store at –20°C.

c-Jun is a member of the Jun family containing c-Jun, JunB, and JunD, and is a component of the transcription factor activator protein-1 (AP-1). AP-1 is composed of dimers of Fos, Jun, and ATF family members and binds to and activates transcription at TRE/AP-1 elements (reviewed in 1). Extracellular signals including growth factors, chemokines, and stress activate AP-1-dependent transcription. The transcriptional activity of c-Jun is regulated by phosphorylation at Ser63 and Ser73 through SAPK/JNK (reviewed in 2). Knock-out studies in mice have shown that c-Jun is essential for embryogenesis (3), and subsequent studies have demonstrated roles for c-Jun in various tissues and developmental processes including axon regeneration (4), liver regeneration (5), and T cell development (6). AP-1 regulated genes exert diverse biological functions including cell proliferation, differentiation, and apoptosis, as well as transformation, invasion and metastasis, depending on cell type and context (7-9). Other target genes regulate survival, as well as hypoxia and angiogenesis (8,10). Research studies have implicated c-Jun as a promising therapeutic target for cancer, vascular remodeling, acute inflammation, and rheumatoid arthritis (11,12).


1.  Jochum, W. et al. (2001) Oncogene 20, 2401-12.

2.  Davis, R.J. (2000) Cell 103, 239-52.

3.  Hilberg, F. et al. (1993) Nature 365, 179-81.

4.  Raivich, G. et al. (2004) Neuron 43, 57-67.

5.  Behrens, A. et al. (2002) EMBO J 21, 1782-90.

6.  Riera-Sans, L. and Behrens, A. (2007) J Immunol 178, 5690-700.

7.  Leppä, S. and Bohmann, D. (1999) Oncogene 18, 6158-62.

8.  Shaulian, E. and Karin, M. (2002) Nat Cell Biol 4, E131-6.

9.  Weiss, C. and Bohmann, D. (2004) Cell Cycle 3, 111-3.

10.  Karamouzis, M.V. et al. (2007) Mol Cancer Res 5, 109-20.

11.  Kim, S. and Iwao, H. (2003) J Pharmacol Sci 91, 177-81.

12.  Dass, C.R. and Choong, P.F. (2008) Pharmazie 63, 411-4.


Entrez-Gene Id 3725
Swiss-Prot Acc. P05412


For Research Use Only. Not For Use In Diagnostic Procedures.
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