Table 2.
Overview of the integrin RNA expression, relatively compared to the FN1 RNA expression, in bovine oocytes and preimplantation embryos
| Gene | Oocyte | 2-cell | 8-cell | Morula | Blastocyst | Hatched Blastocyst |
| FN1 | + | - | - | + | +++ | +++ |
| ITGA2B | + | - | - | - | + | +++ |
| ITGA3 | + | + | - | - | + | +++ |
| ITGA5 | + | - | - | + | +++ | +++ |
| ITGA8 | - | - | - | - | +/- | ++ |
| ITGAV | + | +/- | - | + | +++ | +++ |
| ITGB3 | + | - | +/- | ++ | +++ | ++ |
| ITGA4 | + | + | + | - | - | - |
| ITGA9 | + | + | + | - | - | - |
| ITGA11 | + | +/- | +/- | - | - | - |
| ITGAD | - | - | - | - | - | + |
| ITGB1 | +++ | +++ | ++ | + | + | + |
| ITGB2 | - | - | - | - | - | - |
| ITGB6 | - | - | - | - | - | - |
| ITGB7 | - | - | - | - | - | + |
The integrins that follow the FN1 RNA expression pattern (marked in bold) are considered as candidate receptors for the FN1-ESV isoform (-: no expression, +/-: expression in part of the samples; + low expression; ++ moderate expression, +++ high expression compared to FN1 blastocyst expression).