Table 1. Overview of the genes of neuronal (standard font) and ventricular ependymal cell (bold font) origin and their response to extended SD photoperiod exposure relative to their LD control groups.
| Study 1 | 18 wks | 25wks | 37wks |
| vimentin | ↓ | ↓ | ↓ |
| nestin | ↓↓ | n/a | ↓↓ |
| Crbp1 | ↓↓ | ↓↓ | ↓↓ |
| Gpr50 | ↓↓ | ↓↓ | ↓↓ |
| Dio2 | ↑ | ↑ | ↑ |
| Mct8 | ↑ | ↑ | ↑ |
| Srif | ↑↑ | ↑ | = |
| Mc3r ARC | ↓ | n/a | = |
| Mc3r VMH | ↑ | n/a | = |
Arrows indicates direction and strength of change in gene expression: ↑ small, ↑↑ moderate and ↑↑↑ large increase in gene expression; ↓ small and ↓↓ moderate decrease in gene expression; = no change in gene expression; n/a gene expression was not available.