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Profiling Precursor Lipids for Specialized Pro-Resolution Molecules in Platelet-Rich Fibrin Following Fish Oil and Aspirin IntakeMcCormack, Danielle M 01 January 2017 (has links)
Background: Current research has demonstrated that aspirin and fish oil (EFA) increase plasma levels of specialized pro-resolution molecules (SPMs). This study investigates their effects on SPM precursor pools in platelet rich fibrin (PRF). Methods: Twenty healthy volunteers were randomly assigned to take aspirin; EFA or aspirin and EFA. Four hours later, SPM precursor levels were quantified using combined Liquid Chromatography tandem mass spectrometry. The differences between the groups: Aspirin (yes or no), EFA (yes or no), were analyzed by ANCOVA, testing for group differences after covarying out the baseline value. Results: There were 4 significant interactions, 1 with an aspirin effect, 2 with an EFA effect, and 64 with no difference between the groups. The significant interaction effect was found for the following lipidome: LPE(20:4), LPI(16:1), LPI(18:1), and LPI(20:3). Aspirin decreased the LPG(16:4) levels, and EFA decreased the LPE(22:5) and PG(16:0/18:0) lipidomes. Conclusions: Some SPM precursor pools in PRF were increased following supplementation.
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Profiling Precursor Lipids for Specialized Pro-Resolution Molecules in Platelet-Rich Plasma Following Fish Oil and Aspirin IntakeTurner, Lisa A 01 January 2017 (has links)
Background: Unfavorable outcomes following periodontal surgeries can be attributed to impaired resolution mechanisms likely due to decreased levels of specialized pro-resolution molecules (SPM). The current study investigates if SPM substrate pools in platelet-rich plasma preparations (PRP) can be increased by essential fatty acid (EFA) and / or aspirin supplementation. Methods: Nineteen healthy volunteers were randomly assigned to take i) aspirin; ii) EFA; iii) aspirin and EFA. Four hours after intake, the lipid precursor pools in PRP were quantified using combined Liquid Chromatography tandem mass spectrometry (LC-MS/MS) and the data statistically analyzed using ANCOVA. Results: Of the 77 metabolites screened, only FFA (18:3) showed a significant interaction effect (p=0.019). By itself, neither EFA (p>0.9) nor aspirin (p>0.4) showed any difference (P>0.4). Multiple comparisons could not identify the differences between groups. Conclusions: There is inadequate data to support oral supplementation of EFA and /or aspirin to increase SPM levels in PRP.
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