Abstract：
:Several proteins and peptides in saliva were shown to stimulate gingival wound repair, but the role of salivary metabolites in this process remains unexplored. In vitro gingival re-epithelialization kinetics were determined using unstimulated saliva samples from healthy individuals collected during an experimental gingivitis study. Elastic net regression with stability selection identified a specific metabolite signature in a training dataset that was associated with the observed re-epithelialization kinetics and enabled its prediction for all saliva samples obtained in the clinical study. This signature encompassed ten metabolites, including plasmalogens, diacylglycerol and amino acid derivatives, which reflect enhanced host-microbe interactions. This association is in agreement with the positive correlation of the metabolite signature with the individual's gingival bleeding index. Remarkably, intra-individual signature-variation over time was associated with elevated risk for gingivitis development. Unravelling how these metabolites stimulate wound repair could provide novel avenues towards therapeutic approaches in patients with impaired wound healing capacity.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Fernandez-Gutierrez MM,Imangaliyev S,Prodan A,Loos BG,Keijser BJF,Kleerebezem Mdoi
10.1038/s41598-020-59988-zsubject
Has Abstractpub_date
2020-02-20 00:00:00pages
3008issue
1issn
2045-2322pii
10.1038/s41598-020-59988-zjournal_volume
10pub_type
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