TABLE 4.

MALDI-IMS intensities (expressed as % of the most abundant peak) of molecular species of PC, PE, and PS in positive and negative ion detection modes that were modified in sagittal brain sections from WT (n = 5) compared to CB₁ KO mice (n = 5).

		Cortex		Hippocampus		Striatum		Cerebellum
Assignment	Exp(m/z)	WT	CB1 KO	WT	CB1 KO	WT	CB1 KO	WT	CB1 KO
PC(32:0)+	736.5654	33.23.7	54.76.5∗	37.63.6	65.43.1∗∗	31.44.1	49.36∗	42.37.5	51.44
PC(34:1)+	760.5856	51.24.8	69.54.5∗	48.65.0	67.73.5∗	51.75.2	67.75.1∗	65.27.9	72.34.2
PE(p18:0/22:6)–	774.5432	3.70.1	10.6∗∗	3.40.2	1.10.6∗	1.40.2	0.90.2	4.11.2	1.50.5
PE(18:0/22:6)–	790.5381	12.60.7	102.9	8.50.3	4.41.9∗∗	9.51.2	60.9	10.62	5.60.9∗
PS(18:0/22:6)–	834.5252	73.39.5	46.94.7∗∗	53.94.5	44.94.3	57.94.8	402.7∗	41.17.7	32.62.4

Data are mean ± SEM values. The p-values were calculated by the unpaired two-tailed Student’s t test ^∗p ≤ 0.05, ^∗∗p ≤ 0.01.