Positron Emission Tomography Imaging of Macrophages in Atherosclerosis with ¹⁸F-GE-180, a Radiotracer for Translocator Protein (TSPO)

Table 1

Characteristics of studied animals.

	LDLR^–/–ApoB^100/100	C57BL/6N	LDLR^–/–ApoB^100/100, block
Number of mice	6	6	3
Weight (g)	39.5 ± 6.2	34.6 ± 3.6	30.9 ± 6.3
Age (months)	6.8 ± 0.3	5.7 ± 0.5	7.0 ± 0.2
High-fat diet (months)	4.6 ± 0.1	—	5.0 ± 0.2
Injected radioactivity (MBq)	10.0 ± 0.2	10.1 ± 0.5	10.3 ± 0.2

The data are given in mean ± standard deviation. Block: excess amount of nonradioactive GE-180 given intravenously 5 minutes before administration of ¹⁸F-GE-180.