Differences in the protein composition of rat parotid salivas evoked by sympathetic and parasympathetic nerve stimulation

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Abstract

  • 1.

    1. Parotid salivas were collected from rats following electrical stimulation of either the sympathetic or parasympathetic nervous supplies.

  • 2.

    2. The protein compositions of these salivas were compared using high performance ion-exchange chromatography (FPLC), SDS electrophoresis and biochemical assay.

  • 3.

    3. Chromatography and electrophoresis indicated differences between the protein compositions of sympathetic and parasympathetic salivas.

  • 4.

    4. Protein secretion derived solely from the exocytosis of parotid acinar cells cannot account for these differences.

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