Table 1. Animal groups investigated in the present CMS study.

Animal groups in CMS	Abbreviation	No. of animals in CMS groups	No. of subgroups for microarray
Unchallenged control vehicle	U-V	9	3 (n = 3 in each subgroup)
CMS vehicle	CMS-V	9	3 (n = 3 in each subgroup)
CMS escitalopram responders	Esc-R	9	3 (n = 3 in each subgroup)
CMS escitalopram non-responders	Esc-NR	9	3 (n = 3 in each subgroup)

n – number of rats in each group resulting in 3 subgroups per CMS group.