Table 3.
Components of purinergic signalling that are not expressed at some or all stages of vertebrate embryogenesis
| Gene | Method | Stages | References/Websites |
|---|---|---|---|
| Mouse | |||
| A3 | ISH | E8.5, E12.5 | [57] |
| P2X5 | ISH/EST | E14.5 | [26] Eurexpress; NCBI |
| P2Y12 | ISH | E14.5 | [26] Eurexpress |
| P2Y13 | ISH | E14.5 | [26] Eurexpress |
| P2Y14 | ISH/EST | E14.5 | [26] Eurexpress; NCBI |
| PAP | ISH | E14.5 | [26] Eurexpress |
| Xenopus | |||
| ENTPD8 | RT/PCR | All stages | [32] |
| ENTPD1,3 | RT/PCR | Before end of neurulation | [32] |
| ENTPD2 | RT/PCR | Before gastrulation | [32] |
| P2Y8 | Northern blot | Before neurulation | [115] |
| P2Y11 | RT/PCR | Before gastrulation | [116] |
| Zebrafish | |||
| P2X2, P2X4.1 | ISH | 24 and 48 hpf | [28] |
| ENTPD3 | ISH | Before 23hpf | [44] |
| Chick | |||
| P2X5 | ISH | At stage HH11 | [120] |