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Table 3 Examples of significantly enriched GO annotation for the list of morphine-responsive genes

From: Morphine effects on striatal transcriptome in mice

Mouse strain

Morphine treatment

mRNA change

Enriched GO annotation (GO ID)

Number of genes

P

Example genes

C57BL/6J

Acute

+a

Regulation of apoptosis (0042981)

11

9.1 × e-06b

Tsc22d3, Pmaip1, and Plekhf1

129P3/J

Chronic

-

Nucleosome assembly (0006334)

5

1.7 × e-04

Hist1h1c, Hist1h3b, and Hist1h2bl

C57BL/6J

Chronic

-

Transmission of nerve impulse (0019226)

10

8.6 × e-04

Sncaip, Adora2a, and Npy5r

DBA/2J

Acute

+

Response to abiotic stimulus (0009628)

15

9.8 × e-04

Cryab, Dnajb1, and Cdkn1a

DBA/2J

Acute

+

Response to temperature stimulus (0009266)

5

1.7 × e-03

Hspa8, Hspa1b, and Cryab

C57BL/6J

Chronic

-

Cellular lipid metabolism (0044255)

17

1.95 × e-04

Vldr, Sc5d, and Acsl3

SWR/J

Acute

+

Glucose transport (0015758)

4

2.0 × e-03

Stxbp3a, Stxbp4, and Aps

SWR/J

Chronic

-

Cell communications (0007154)

25

2.3 × e-03

Plcd4, Gjb1, and Utrn

129P3/J

Acute

-

Neuron differentiation (0030182)

5

2.4 × e-03

Olig2, Gli3, and Ablim1

SWR/J

Acute

+

Carboxylic acid metabolism (0019752)

16

1.4 × e-03

Cpt1a, Cpt2, and Crot

C57BL/6J

Chronic

+

Negative regulation of biological process (0048519)

12

7.5 × e-03

Zbtb16, Sgk3, and Adrb1

SWR/J

Acute

-

Nervous system development (0007399)

7

9.9 × e-03

Olig2, Rgma, and Ugt8a

129P3/J

Chronic

+

Intracellular signaling cascade (0007242)

12

1.0 × e-02

Ppm1, Dab1, and Snx24

  1. The complete results of the Gene Ontology (GO) analysis are presented in Additional data file 3. a(+) increased mRNA abundance in response to morphine; (-) decreased mRNA level. bStatistical significance of functional over-representation was computed using Fisher's exact test.