alexa Two-dimensional gel electrophoresis of dog crevicular fluid proteins.


Journal of Nutrition & Food Sciences

Author(s): Mukherjee S, Novack N, Blaustein D, Chambers DA

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Abstract The ligature-induced periodontitis model was used in beagle dogs to compare and contrast profiles of crevicular fluid (CF) proteins collected from gingivitis and periodontitis sites. The protein profiles of CF and serum were determined by 2-dimensional gel electrophoresis (2-D PAGE) using a silver stain. 2-D PAGE showed that CF contained proteins with molecular weight 16 K or less and many proteins with molecular weights between 64 K and 16 K in the isoelectric pH between approximately 5.8 and 6.8. The number of such proteins was greater in samples collected from the ligated (periodontitis) side compared to the non-ligated (gingivitis) side. Thus, analysis by 2-D PAGE revealed differences between CF samples from gingivitis and ligature-induced periodontitis sites. This study suggests that analysis of human CF by 2-D PAGE may be useful in diagnosis and investigation of the pathogenesis of periodontitis.
This article was published in J Clin Periodontol and referenced in Journal of Nutrition & Food Sciences

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