Table 1.
Summary of GPER immunostaining in the epididymis of adult Sprague Dawley (SD), Brown Norway (BN) and Wistar rats
| Region | Rat Strain | Cytoplasm | Apical Surface | Nuclei |
|---|---|---|---|---|
| Initial Segment | Adult SD | ++ | +/− | - |
| Adult BN | + | +/− | - | |
| Adult Wistar | + | +/− | - | |
| Caput | Adult SD | ++ | +++ | - |
| Adult BN | + | ++ | - | |
| Adult Wistar | + | + | - | |
| Corpus | Adult SD | +++ | +++ | + |
| Adult BN | ++ | +++ | + | |
| Adult Wistar | ++ | +++ | + | |
| Cauda | Adult SD | ++ | ++ | +/− |
| Adult BN | ++ | +++ | +/− | |
| Adult Wistar | + | ++ | + |
Intensity of immunostaining was scored as negative (−), weak positive (+), moderate positive (++) or strong positive (+++)