Abstract
The purpose of this study was to compare the relative amount of low molecular weight salivary proteins in patients with head and neck tumours treated with radiotherapy and healthy subjects. Reverse-phase high-pressure liquid chromatography was used for protein separation. Nine protein fractions (including acidic and basic proline-rich proteins (PRPs), cystatins, histatins and statherin) were identified in saliva from irradiated patients as well as healthy subjects. However, compared with non-irradiated healthy subjects, the fraction of acidic PRPs was significantly reduced in irradiated patients. These data indicate an alteration of the relative amount of low molecular weight salivary proteins in irradiated patients besides the reduction of salivary flow.
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Notes
Supply from FG Oppenheim (Boston, MA, USA).
PRPs and statherin from N Stromberg (Umea, Sweden) were acknowledged.
α-Amylase from Sigma was used.
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This study was supported by a grant of Deutsche Forschungsgemeinschaft (STO 265/4-1).
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Hannig, M., Dounis, E., Henning, T. et al. Does irradiation affect the protein composition of saliva?. Clin Oral Invest 10, 61–65 (2006). https://doi.org/10.1007/s00784-005-0026-z
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DOI: https://doi.org/10.1007/s00784-005-0026-z