Table II. Transcripts with highest enrichment in synaptic compared with extrasynaptic samples.
| Rank | Ratio | UniGene (Mm.) | Gene Name | Validity |
|---|---|---|---|---|
| 1 | 83.64 | 4980 | AChRɛ | K-R |
| 2 | 56.78 | 4583 | AChRα1 | K-R |
| 3 | 30.28 | 79127 | Dynein int. chain 1 | SY-? |
| 4 | 20.76 | 291463 | Trifunctional enz.-β | – |
| 5 | 18.93 | 276739 | SOX10 | SC |
| 6 | 16.39 | 29742 | CD24 | Sy-M |
| 7 | 16.28 | 37644 | rep seq | – |
| 8 | 15.22 | 66293 | SDR2 | Sy-? |
| 9 | 14.91 | 33268 | Ssb4 | Sy-? |
| 10 | 13.32 | 5025 | PEA3 | SC |
| 11 | 12.86 | 225050 | Unc53H3 | Sy-M |
| 12 | 11.63 | 16148 | MuSK | K-R |
| 13 | 11.40 | 155708 | ERM | K-R |
| 14 | 10.88 | 23742 | Nestin | K-P |
| 15 | 10.49 | 172931 | rep seq | – |
| 16 | 10.40 | 211477 | LL5β | Sy-M |
| 17 | 10.14 | 317642 | Serf2 | – |
| 18 | 9.69 | 124666 | NTA | Sy-M |
| 19 | 8.88 | 4980 | AChRɛ | K-R |
| 20 | 8.63 | 32648 | unnamed | Sy-? |
| 21 | 8.46 | 30039 | PKARIα | K-R |
| 22 | 8.40 | 2811 | AChRδ | K-R |
| 23 | 7.67 | 9986 | MPZ | SC |
| 24 | 7.58 | 295263 | Cpg16 | Sy-? |
| 25 | 7.52 | 335452 | noncoding RNA | – |
Rankings and ratios, calculated as in Table I and Table S1, respectively, are shown along with UniGene number (http://www.ncbi.nlm.nih.gov) and gene name. Last column classifies genes: K-R, known to be synaptic at RNA level; K-P, known to be synaptic at protein level; SC, known to be selectively expressed by Schwann cells; Sy-M, synaptic mRNA shown by in situ hybridization to be expressed by muscle in this study; Sy-?, mRNA shown to synaptic by quantitative PCR, but cell of origin unknown; –, no evidence for synaptic enrichment.