Table 2

Summary of morphine-induced changes in gene expression level in the four inbred strains

Treatment
Fold change over control
All of the four strains
129P3/J strain
C57BL/6J strain
DBA/2J strain
SWR/J strain

Acute upregulation
>1.2a
181
179
106
313
255

>1.5
38
33
39
81
42
Acute downregulation
>1.2
69
44
108
68
67

>1.5
6
4
25
25
14
Chronic upregulation
>1.2
76
90
116
59
63

>1.5
13
17
38
8
10
Chronic downregulation
>1.2
145
83
278
98
141

>1.5
9
9
61
10
12

The mouse strains evaluated were 129P3/J, C57BL/6J, DBA/2J, and SWR/J. aAnalysis was performed for the group of transcripts significantly changed after morphine treatment. Relative expression levels for 661 probe sets were computed using MBEI perfect match/mismatch (PM/MM) data.

Korostynski et al. Genome Biology 2007 8:R128   doi:10.1186/gb-2007-8-6-r128