Trial Proteomic Qualitative and Quantitative Analysis of the Protein Matrix of Submandibular Sialoliths.
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| Abstract |
Our studies aimed to explore the protein components of the matrix of human submandibular gland sialoliths. A qualitative analysis was carried out based on the filter aided sample preparation (FASP) methodology. In the protein extraction process, we evaluated the applicability of the standard demineralization step and the use of a lysis buffer containing sodium dodecyl sulfate (SDS) and dithiothreitol (DTT). The analysis of fragmentation spectra based on the human database allowed for the identification of 254 human proteins present in the deposits. In addition, the use of multi-round search in the PEAKS Studio program against the bacterial base allowed for the identification of 393 proteins of bacterial origin present in the extract obtained from sialolith, which so far has not been carried out for this biological material. Furthermore, we successfully applied the SWATH methodology, allowing for a relative quantitative analysis of human proteins present in deposits. The obtained results correlate with the classification of sialoliths proposed by Tretiakow. The performed functional analysis allowed for the first time the selection of proteins, the levels of which differ between the tested samples, which may suggest the role of these proteins in the calcification process in different types of sialoliths. These are preliminary studies, and drawing specific conclusions requires research on a larger group, but it provides us the basis for the continuation of the work that has already begun.
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| Authors | Paulina Czaplewska, Aleksandra E Bogucka, Natalia Musiał, Dmitry Tretiakow, Andrzej Skorek, Dominik Stodulski |
| Journal | Molecules (Basel, Switzerland) (Molecules) Vol. 26 Issue 21 (Nov 06 2021) ISSN: 1420-3049 [Electronic] Switzerland |
| PMID | 34771131 (Publication Type: Journal Article) |
| Chemical References |
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