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. 2019 Jun 11;12:146. doi: 10.3389/fnmol.2019.00146

FIGURE 4.

FIGURE 4

Effects of stress on hippocampal LPA concentrations. Restraint stress produced profound changes in (A) the hippocampal concentrations of total LPA and (B) all LPA species examined. (C) Restraint stress did not affect the percentage of relative abundance, but the EPM modified the profile of LPA species analyzed in the hippocampus. ∗∗p ≤ 0.001 and ∗∗∗p ≤ 0.0005 compared with the control group; ##p ≤ 0.001 and ###p ≤ 0.0005 compared with the EPM; $$$p ≤ 0.0005 compared with restraint stress. LPA 16:0; 18:0; 18:1, and 20:4 species [palmitic acid (16:0) and stearic acid (18:0)] [oleic (18:1), linoleic (18:2) and arachidonic acids (20:4)].