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Table 1 Cell cycle gene expression by real-time PCR array in lung homogenate of mice at 4- and 12-weeks of age exposed to 30 min of 40%O2 within 6 h of birth

From: Short-term perinatal oxygen exposure may impair lung development in adult mice

Gene symbol

Gene description

Fold change in gene expression

40%O2 Group—4 weeks (Control Group—21%O2 4 weeks)

Over-expressed genes

 Cdk4

Cyclin-dependent kinase 4

4.26 (0.01–16.5)

 Dst

Dystonin

4.34 (0.01–15.4)

 Msh2

MutS homolog 2 (E. coli)

2.64 (0.01–9.35)

 Psmg2

Proteasome assembly chaperone 2

3.28 (0.01–10.3)

 Rbl1

Retinoblastoma-like protein 1

2.56 (0.01–7.06)

 Shc1

Src homology 2 transforming protein C1

2.21 (0.01–5.09)

 Trp63

Transformation related protein p63

2.37 (0.01–5.67)

Under-Expressed Genes

 Ccnb1

Cyclin B1

0.36 (0.01–1.04)

 Ccnb2

Cyclin B2

0.50 (0.19–0.82)

 Gpr132

G protein-coupled receptor 132

0.15 (0.01–0.76)

 Mcm3

Minichromosome maintenance complex-3

0.17 (0.01–0.70)

40%O2 Group—12 weeks (Control Group—21%O2 12 weeks)

Over-expressed genes

 Ccnb1

Cyclin B1

5.9 (0.01–10.75)

 Trp63

Transformation related protein p63

4.16 (0.01–11.59)

Under-expressed genes

 Abl1

Non-receptor tyrosine protein kinase

0.28 (0.01–0.67)

  1. Genes were considered over-expressed (Fold Change ≥ 2.0) or under-expressed (Fold Change ≤ 0.5) relative to the control group (21%O2). The fold change (FC) in gene expression in 21%O2 group = 1.0; values expressed as FC with 95% confidence intervals
  2. Housekeeping genes: Gapdh (Glyceraldehyde-3-phosphate dehydrogenase), Hprt (Hypoxanthine guanine phosphoribosyl transferase) & Actb (Actin, beta); N = six mice / group, each time-point