Table 2.

¹³C‐Lys brain extract injection groups.

n	Genotype	Injected 13C‐Lys brain extract	Labeling duration brain donors (days)	Time point post‐injection (days)	Age (days)
3	APPtg	APPtg, cohort 1	50, 100	1	51
3	APPtg	non‐tg	10	1	51
3	APPtg	APPtg, cohort 1	50, 100	3	53
3	APPtg	non‐tg	10	3	53
3	APPtg	APPtg, cohort 1	50, 100	5	55
3	APPtg	non‐tg	10	5	55
3	APPtg	APPtg, cohort 1	50, 100	7	57
3	APPtg	non‐tg	10	7	57
3	APPtg	APPtg, cohort 1	50, 100	10	60
3	APPtg	non‐tg	10	10	60
4	APPtg	APPtg, cohort 2	125	25	75
4	APPtg	non‐tg	10	25	75
4	APPtg	APPtg, cohort 2	125	50	100
4	APPtg	non‐tg	10	50	100
4	APPtg	APPtg, cohort 2	125	75	125
4	APPtg	non‐tg	10	75	125
3	APPtg	APPtg, cohort 1	50, 100	100	150
1	APPtg	APPtg, cohort 2	125	100	150
4	APPtg	non‐tg	10	100	150
6	APPtg	APPtg, cohort 4	100	1	51
6	APPtg	non‐tg	100	1	51
3	non‐APPtg	APPtg, cohort 3	75	1	51

n = number of animals, genotype of injected animals, injected brain extract, number of days during which the donors of brains used for extract generation had received the ¹³C‐Lys diet, sacrifice time point after injection, age at death.