Table 3. Expression trends of piRNA pathway genes and L1 in the EOC after in situ hybridisation.
| Patient | Gene | Epithelial cells | Stromal cells |
| SC1 | MAEL | weak | strong |
| PIWIL2 | weak | strong | |
| PIWIL1 | strong | - | |
| L1 | strong | - | |
| SC2 | MAEL | weak | strong |
| PIWIL2 | weak | strong | |
| PIWIL1 | weak | - | |
| L1 | strong | - | |
| SC3 | MAEL | strong | strong |
| PIWIL2 | strong | strong | |
| PIWIL1 | - | - | |
| L1 | strong | weak | |
| SC4 | MAEL | - | - |
| PIWIL2 | strong | - | |
| PIWIL1 | strong | - | |
| L1 | strong | - | |
| SC5 | MAEL | weak | weak |
| PIWIL2 | weak | - | |
| PIWIL1 | weak | - | |
| L1 | weak | - | |
| BSC1 | MAEL | weak | weak |
| PIWIL2 | weak | weak | |
| PIWIL1 | - | - | |
| L1 | - | - | |
| BSC2 | MAEL | weak | - |
| PIWIL2 | weak | - | |
| PIWIL1 | - | - | |
| L1 | - | - |
“-“: undetectable expression.