Table 4.
Circulating TH concentrations in harbor seal pups from five sites in coastal British Columbia and Washington State.
| QCS (n = 10) | Vancouver (n = 8) | Hornby Island (n = 7) | Smith Island (n = 7) | Gertrude Island (n = 7) | |
|---|---|---|---|---|---|
| TT4 (nmol/L) | 71.8 ± 9.0 (41.1–120.5) | 74.4 ± 6.6 (47.2–98.5) | 59.4 ± 4.9 (43.3–81.5) | 56.5 ± 9.8 (12.6–86.7) | 26.3 ± 4.3* (15.1–44.8) |
| FT4 (pmol/L) | 37.8 ± 2.4 (28.3– 49.5) | 39.2 ± 2.6 (25.1–47.4) | 32.7 ± 0.8 (29.2–35.5) | 32.9 ± 3.0 (24.0–46.6) | 22.3 ± 2.1* (16.9–32.7) |
| TT3 (nmol/L) | 0.72 ± 0.14 (0.22–1.57) | 0.80 ± 0.08 (0.55–1.18) | 0.28 ± 0.08 (0.08–0.64) | 0.64 ± 0.07 (0.28–0.84) | 0.70 ± 0.10 (0.40–1.10) |
| FT3 (pmol/L) | 7.61 ± 0.67 (4.49–10.15) | 7.15 ± 0.51 (5.41–9.42) | 7.91 ± 1.58 (3.69–12.13) | 6.81 ± 0.58 (4.91–8.90) | 8.99 ± 0.99 (5.17–13.33) |
Data are mean ± SE (range). Data from QCS animals were used as reference values for statistical analyses.
*
Significant difference in gene expression (p < 0.05).