Table II.
The concentrations (ng/g, mean ± SEM) of progesterone (P), DHP, 3α,5α-THP and progesterone utilisation (DHP + 3α,5α-THP:P ratio) in the hippocampus, medial prefrontal cortex and diencephalon of pubertal male and female offspring of mothers that were exposed to IL-1β (1 μg/rat) or vehicle (saline 0.9%) on GD 17–21.
| Brain concentrations of progestogens in the offspring (ng/g, mean ± SEM)
|
||||
|---|---|---|---|---|
| Control
|
IL-1β
|
|||
| Male (n = 12) | Female (n = 12) | Male (n = 9) | Female (n = 8) | |
| Hippocampus | ||||
| Progesterone | 0.7 ± 0.2 | 0.3 ± 0.1 | 0.6 ± 0.4 | 0.6 ± 0.1 |
| DHP | 0.6 ± 0.2 | 0.3 ± 0.2 | 1.8 ± 0.1☆ | 0.7 ± 0.2 |
| 3α,5α-THP | 0.8 ± 0.2 | 1.3 ± 0.4 | 1.5 ± 0.6 | 0.5 ± 0.4 |
| P utilisation | 6.1 ± 2.3 | 14.9 ± 5.0 | 6.1 ± 1.0 | 1.6 ± 0.4☆ |
| Medial prefrontal cortex | ||||
| Progesterone | 0.3 ± 0.1 | 0.4 ± 0.1† | 0.4 ± 0.1 | 0.7 ± 0.1† |
| DHP | 0.2 ± 0.1 | 0.1 ± 0.1 | 0.4 ± 0.2 | 0.3 ± 0.1 |
| 3α,5α-THP | 0.3 ± 0.1 | 2.8 ± 1.3 | 0.7 ± 0.3 | 1.3 ± 0.7 |
| P utilisation | 2.6 ± 0.7 | 9.6 ± 3.8 | 2.8 ± 0.8 | 2.2 ± 0.8 |
| Diencephalon | ||||
| Progesterone | 0.2 ± < 0.0 | 0.3 ± 0.1 | 0.4 ± 0.1‡ | 0.3 ± < 0.0‡ |
| DHP | 0.2 ± 0.1 | 0.3 ± 0.1 | 0.8 ± 0.1‡ | 0.5 ± 0.1‡ |
| 3α,5α-THP | 0.5 ± 0.2 | 0.7 ± 0.5 | 1.0 ± 0.5 | 0.3 ± 0.2 |
| P utilisation | 8.2 ± 4.5 | 10.3 ± 3.5 | 4.4 ± 0.8 | 2.2 ± 0.4 |
Indicates a significant interaction in two-way ANOVA wherein the noted male or female groups significantly differ from respective controls, p < 0.05;
Indicates a main effect in two-way ANOVA for a significant difference between males and females, p < 0.05;
Indicates a main effect in two-way ANOVA of prenatal IL-1β exposure compared with control offspring, p < 0.05.