Table 2.
Gene Symbola | mRNA Levelb | Other Reportsc | Gene Symbol | mRNA Level | Other Reports | Gene Symbol | mRNA Level | Other Reports |
---|---|---|---|---|---|---|---|---|
Ephrin Pathway | Semaphorin Pathway | Netrin Pathway | ||||||
Efna1 | 5.2±0.4 | i, ii | Nrp1 | 8.5±1.0* | i | Dcc | 6.3±0.4* | i, vi |
Efna2 | 5.6±1.3 | i, ii, iii | Nrp2 | 8.0±0.1* | Unc5a | 5.8±0.6 | ||
Efna5 | 7.5±0.5* | i | Plxna1 | 6.9±0.7* | Unc5b | 6.1±1.2 | ||
Efnb1 | 7.9±0.3* | i, iii | Plxna2 | 7.3±0.4* | Unc5c | 7.4±0.4* | i | |
Efnb2 | 8.0±1.5* | iv, v | Plxna3 | 5.7±0.7 | i | Unc5d | 7.1±1.5* | |
Efnb3 | 5.8±0.4* | v, | Plxna4 | 5.9±0.4* | ||||
Epha2 | 6.9±0.4* | Plxnb1 | 6.0±0.5* | Wnt Pathway | ||||
Epha4 | 6.0±2.5 | i, ii, iii | Plxnb2 | 7.5±1.5* | i | Fzd1 | 8.3±0.7* | vii |
Epha5 | 6.3±0.5* | ii | Plxnb3 | 6.6±1.3 | Fzd2 | 7.5±1.2* | i, vii | |
Epha7 | 6.6±0.4* | i, ii | Plxnc1 | 7.0±0.8* | Fzd3 | 5.9±0.7 | vii | |
Epha8 | 5.2±0.7 | Plxnd1 | 6.7±0.9* | i | Fzd4 | 6.0±0.9 | i, vii | |
Epha10 | 6.5±0.5* | Sema4d | 8.0±0.6* | Fzd5 | 5.7±0.6 | |||
Ephb1 | 6.2±0.3* | iii, v | Sema4f | 6.5±0.7* | Fzd6 | 7.6±1.1* | vii | |
Ephb2 | 6.6±0.9* | i, v | Sema5a | 7.0±0.9* | Fzd7 | 7.9±1.1* | ||
Ephb3 | 6.3±0.5* | i, iv, v | Sema6a | 5.8±0.3* | Fzd8 | 5.7±0.7 | i | |
Ephb4 | 6.4±0.4* | Fzd9 | 7.0±0.6* | i, vii | ||||
Ephb6 | 5.6±0.4 | Slit Pathway | Fzd10 | 6.5±0.5* | ||||
Robo1 | 5.5±2.7 | Lrp6 | 5.1±0.2 | |||||
Robo4 | 5.7±0.4* | i | Ror1 | 5.2±0.5 | ||||
Ryk | 7.4±0.5* |
Efn…, ephrins; Eph…, Eph receptors; Nrp…, neuropilins; Plxn…, plexins; Sema…, semaphorins; Robo…, roundabout homologs; Dcc…, deleted in colorectal carcinoma; Unc…, unc-5 homologs; Lrp6, low density lipoprotein receptor-related protein 6; Ror…, receptor tyrosine kinase-like orphan receptor.
Mean ± SD (n = 17) of log2-transformed and pre-processed microarray hybridization signals in GEO entries GSM321743-8 (modioli of 8-week-old CBA/CaJ mice; this study), GSM108103-8 (4- and 15-month-old C57BL/6 mice; Someya et al., 2007), and GSM109462-6 (9-month-old C57BL/6 mice; Someya et al., 2008).
i, CBA/CaJ mice at P32 (Chen and Corey, 2002); ii, 2- to 4-month-old mongolian gerbils (Bianchi and Liu, 1999); iii, 4- to 34-month-old mongolian gerbils (Bianchi and Gale, 1998); iv, adult mice (Bianchi et al., 2002); v, adult CD-1 mice (Howard et al., 2003); vi, C57 mice at P28 to P35 (Lee and Warchol, 2008); vii, Wistar rats at P14 (Daudet et al., 2002).
Significantly above 44th-percentile cutoff of 5.10 in one-sided t tests with 1,369 probe sets for neuronal transmembrane receptors (P < 0.05 after Bonferroni correction).