Table 3.

Mg isotope distribution in controls and LPS-injected mice.

Sample	Controls			LPS-injected mice			p-value
	δ26Mg (‰)	SD	N	δ26Mg (‰)	SD	N
Y, hippocampus	−1.20	0.20	3	−1.21	0.29	3	0.988
Y, cortex	−1.07	0.16	3	−1.12	0.11	3	0.696
Y, cerebrum	−0.97	0.03	3	−0.97	0.16	3	0.976
Y, cerebellum	−0.97	0.03	3	−0.93	0.09	3	0.505
Y, brain stem	−0.83	0.10	3	−0.89	0.08	3	0.465
O, hippocampus	−1.20	0.12	5	−1.22	0.12	5	0.870
O, cortex	−1.10	0.07	4	−1.22	-0.09	3	0.095
O, cerebellum	−1.04	0.04	7	−0.98	0.11	5	0.193
O, cerebrum	−1.04	0.02	3	−1.03	0.09	4	0.890
O, brain stem	−0.94	0.05	5	−1.03	0.01	3	0.015*
Y, muscle	−1.15	0.05	3	−1.13	0.13	3	0.847
Y, bone	−1.09	0.02	3	−1.06	0.11	3	0.691
Y, kidney	−0.81	0.07	3	−0.82	0.09	3	0.888
Y, intestine	−0.63	0.13	3	−0.73	0.17	3	0.473
Y, pancreas	−0.69	0.08	3	−0.64	0.19	3	0.642
Y, urine	−0.01	0.01	3	−0.03	0.13	2	0.721
Y, liver	0.29	0.05	3	−0.28	0.13	3	0.002**
O, muscle	−1.23a	0.10	3	−1.29	0.16	4	0.635
O, bone	−1.14a	0.07	3	−1.17	0.07	4	0.667
O, kidney	−0.93a	0.11	3	−0.78	0.09	4	0.087
O, intestine	−0.77a	0.06	3	−0.81	0.15	4	0.692
O, pancreas	−0.72a	0.05	3	−0.74	0.03	3	0.711
O, urine	−0.32a	0.01	2	0.17	0.03	3	0.002**
O, liver	0.28a	0.04	3	−0.27	0.11	4	0.000**
Food	−0.73b	0.04		−0.73b	0.04

The Mg isotopic composition is expressed as the δ²⁶Mg value (mean and standard deviation). The number of individuals analyzed is N. Y is young and O is aged.

^aData from ref. (36).

^bAll animals were fed with the same food. Mean ± SD (N = 4).

^*Significant difference between controls and LPS-injected mice at p < 0.05 (independent samples t-test).

^**Significant difference between controls and LPS-injected mice at p < 0.01 (independent samples t-test).