Table 2 Spearman correlation coefficients between three seminal proteins with any post-freezing sperm variables (correlation coefficients/probability value)
From: Relationship between HSP90a, NPC2 and L-PGDS proteins to boar semen freezability
| Time of incubation | Proteins | Membrane structural integrity | Membrane functional integrity | Acrosome integrity | Progressive motility | Total motility | Percentage of functionally competent sperm |
|---|---|---|---|---|---|---|---|
| 0 h | HSP90a |
0.51 0.08 |
0.21 0.50 |
–0.15 0.62 |
0.28 0.36 |
0.22 0.48 |
0.08 0.79 |
|
NPC2 19 kDa |
–0.44 0.15 |
0.02 0.93 |
0.27 0.38 |
–0.11 0.72 |
–0.01 0.96 |
0.20 0.52 | |
|
NPC2 16 kDa |
–0.50 0.09 |
0.09 0.75 |
0.04 0.89 |
–0.24 0.45 |
0.02 0.93 |
0.21 0.50 | |
| L-PGDS |
–0.10 0.73 |
0.27 0.37 |
–0.13 0.68 |
–0.22 0.48 |
–0.20 0.51 |
–0.10 0.95 | |
| 3 h | HSP90a |
–0.33 0.29 |
0.34 0.26 |
–0.47 0.12 |
–0.64 0.02 |
–0.54 0.06 |
–0.21 0.50 |
| NPC2 19 kDa |
–0.16 0.59 |
0.05 0.86 |
0.01 0.96 |
–0.10 0.74 |
–0.12 0.69 |
–0.10 0.75 | |
| NPC2 16 kDa |
–0.14 0.66 |
0.39 0.19 |
–0.18 0.55 |
–0.26 0.40 |
–0.07 0.81 |
0.15 0.64 | |
| L–PGDS |
–0.05 0.87 |
–0.42 0.16 |
0.43 0.15 |
0.04 0.89 |
0.29 0.34 |
0.31 0.32 |