c-Jun, phosphorylated (Ser63) Control Peptide

c-Jun is a member of the Jun Family composed of c-Jun, JunB and JunD, and is a component of\nthe transcription factor AP-1. AP-1 is composed dimers of Fos, Jun and ATF family members, and binds and activates transcription at TRE/AP-1 elements (1). Extracellular signals including growth factors, chemokines and extracellualar 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\nand 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 the context of the cell (7-9 ). Other target genes regulate survival as well as hypoxia and angiogenesis (8,10). c-Jun has emerged as promising therapeutic target\nfor cancer, vascular remodeling, acute inflammation, as well as rheumatoid arthritis (11-13).\n\nCorresponding antibody, C5815-10, detects endogenous levels of c-Jun only when phosphorylated at Ser63. Does not recognize the phosphorylated forms of JunD or JunB. Species Crossreactivity: Mouse and rat.\n\nApplications: \nSuitable for use as a blocking peptide to evaluate the specificity of antibody reactivity in immunohistochemistry and Western blot. Other applications not tested.\n\nRecommended Dilution:\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and add glycerol (40-50%). Freeze at -20 degrees C or colder. Aliquots are stable for at least 6 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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