ea0007oc1 | Reproduction | BES2004
Brunton P
, Harrison C
, Russell J
In late pregnancy, the hypothalamo-pituitary-adrenal (HPA) axis is less responsive to immune challenge(1). Circulating and brain levels of allopregnanolone (AP), a neuroactive steroid and allosteric enhancer at inhibitory GABAA receptors, increase during pregnancy(2) and AP treatment attenuates stress-induced HPA activity in male rats(3). Here we sought a role for AP in attenuated HPA axis responses to interleukin-1-beta (IL-1B) in pregnant rats. Conscious pregnant (day 21) an...