Examples of Additional Known Placenta-Specific Transcripts Identified Using 60-mer Oligo Arrays
| Putative ID | Probe source sequence ID | Ratio | Present on cDNA array | Rank |
| Genes with known roles in placenta | ||||
| prolactin-like protein C (Prlpc) | C0229F08-3 | 204.8 | no | 1 |
| Dtprp | H3015H06-3 | 86.9 | yes | 2 |
| proliferin (Plf) | K02245.1 | 68.4 | yes | 3 |
| trophoblast-specific protein (Tpbp) | NM_009411 | 69.1 | no | 4 |
| adenosine deaminase (Ada) | C0609E09-3 | 47.1 | no | 9 |
| Keratin 19 | H3022G09-3 | 21.5 | yes | 28 |
| AP-2 transcription factor (Tcfap2c) | C0152H01-3 | 7.5 | no | 54 |
| Rex-1 (Zfp42) | M28382 | 8.2 | no | 100 |
| adrenomedullin (Adm) | C0102F09-3 | 6.2 | no | 157 |
| Top-ranked newly identified placenta-specific genes | ||||
| similar to proliferin | C0128F02-3 | 36.1 | no | 15 |
| TBP-associated factor II Q | L0287F02-3 | 35.9 | no | 16 |
| serine protease inhibitor 12 | C0141H10-3 | 33.0 | no | 17 |
| system A amino acid transporter 3 | C0180A05-3 | 30.4 | yes | 20 |
| voltage-dependent Ca++channel | C0129G10-3 | 27.0 | no | 22 |
| inhibin beta-B subunit | C0329D09-3 | 25.5 | no | 24 |
| unknown | K0537F01-3 | 23.0 | no | 26 |
| C/EBP-beta | NM_009883.1 | 18.4 | no | 30 |
| GM2 ganglioside activator protein | H3035D04-3 | 16.5 | yes | 31 |
| unknown | C0228C02-3 | 16.4 | no | 32 |
| unknown | H3009H12-3 | 16.1 | yes | 33 |
| unknown | C0144F05-3 | 15.6 | no | 34 |
| PPAR-gamma | U01664.1 | 15.3 | no | 35 |
| cubilin | C0026H06-3 | 15.2 | yes | 36 |
| unknown | C0118H11-3 | 15.2 | yes | 37 |
| unknown | K0522G10-3 | 14.9 | no | 38 |
| unknown | H3002F03-3 | 14.4 | yes | 39 |
| homolog of testin 1/2 precursor | C0189H10-3 | 14.1 | no | 40 |
| similar to transglutaminase | K0209G07-3 | 13.9 | no | 41 |
| unknown | C0147A07-3 | 13.3 | no | 42 |
| CD9 antigen | H3139C03-3 | 13.0 | yes | 44 |
| unknown | C0157D02-3 | 13.0 | yes | 45 |
| zinc finger protein 42 | J0029E06-3 | 12.8 | yes | 46 |
| unknown | G0110D05-3 | 12.8 | yes | 47 |
[i] Transcripts identified as significant by ANOVA-FDR were ranked by fold-change in expression.