Effect of aging on Kupffer cell membrane phospholipid function: Modulation by vitamin E

Table 2 Intracellular calcium concentrations in various age groups before and after platelet activating factor stimulation (mean ± SD, pg/mL, n = 5)

Group (mo)	PAF	[Ca++]i		Δ[Ca++]		%
		NVEG	VEG	NVEG	VEG	NVEG	VEG
6	-	105.7 ± 16.1	111.5 ± 12.1
	+	266.1 ± 31.3d	285.3 ± 27.5	160.4 ± 22.4	173.8 ± 19.7	151.8	155.8
12	-	111.4 ± 19.3	109.8 ± 9.7
	+	262.8 ± 27.6d	276.3 ± 30.3	151.4 ± 21.9	166.5 ± 16.0	135.9	151.6
18	-	151.4 ± 21.4	118.4 ± 10.8f
	+	254.5 ± 36.7db	255.9 ± 27.0	103.1 ± 27.9a	137.5 ± 14.8a	68.1b	116.1bf
24	-	164.3 ± 20.8	130.7 ± 12.1f
	+	249.3 ± 28.4db	255.7 ± 24.1	85.0 ± 24.3b	125.0 ± 14.0bf	51.7b	95.6bf

^aP < 0.05 compared with 6 mo;

^bP < 0.01 compared with 6 mo;

^dP < 0.01 compared with PAF (-);

^fP < 0.01 compared with NVEG. NVEG: non-VE pretreated group; VEG: VE pretreated group; PAF: Platelet activating factor