Periplakin (PPL, Paraneoplastic Pemphigus Antigen, 195kD Cornified Envelope Precursor, AW553870, KIAA0568, MGC134872)

Peroplakin is a component of the cornified envelope of keratinocytes. It may link the cornified envelope to desmosomes and intermediate filaments and may act as a localization signal in PKB/AKT-mediated signaling. Endogenous periplakin localizes to different cellular compartments, including plasma membrane, intermediate filament structures, the nucleus and mitochondria. Overexpression of the C-terminal part of periplakin, encompassing the PKB binding region, results in predominant intermediate filament localization and little nuclear staining. Periplakin is expressed in epithelial cells, together with envoplakin, the precursor of the epidermal cornified envelope. Furthermore, periplakin has been shown to be a target antigen in paraneoplastic pemphigus, and in keratinocytes it localizes at desmosomes and the interdesmosomal plasma membrane. \n\nApplications: \nSuitable for use in Western Blot and Immunoprecipitation. 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 Store at -20 degrees C. Aliquots are stable for at least 12 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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