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. 2020 Jan 31;11:12. doi: 10.3389/fphys.2020.00012

FIGURE 1.

FIGURE 1

Examination of total peripheral levels of several lipid classes in mTBI, PTSD and mTBI + PTSD in individuals with and without the APOE ε4 allele using an LC-MS assay. (A) Schematic illustration of possible main contributors to the signals observed. (B) There was an interaction of diagnosis and ε4 status for TG (p = 0.029), DG (p = 0.000252), Cer (p = 0.01), and Hexcer (p = 0.003) lipids. Statistical analyses; MLM with LSD post hoc, p ≤ 0.05 cut-off, ∗∗p ≤ 0.01, ∗∗∗p ≤ 0.001. TG, Triglycerides; DG, Diglycerides; Cer: Ceramides; HexCer, Hexosylceramides.