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Table 1 Serum levels of estradiol and progesterone before and after OVx and the effects of treatments with estradiol or progesterone before albumin challenge.

From: Female sex hormones mediate the allergic lung reaction by regulating the release of inflammatory mediators and the expression of lung E-selectin in rats

   Estradiol (pg/ml) Progesterone (ng/ml)
Sham OVx Estrous 15.6 ± 3.0 10.6 ± 1.2
  Diestrus 8.3 ± 1.5 21.3 ± 1.2
  Metaestrus 15.2 ± 1.0 21.0 ± 0.2
  Proestrus 34.3 ± 4.6 4.0 ± 0.2
OVx At sensitization (1-day OVx) 11.4 ± 1.5 13.8 ± 3.0
  At booster (8-day OVx) 5.9 ± 0.3 4.8 ± 1.0
  At challenge (15-day OVx) 5.7 ± 1.8 3.9 ± 0.3
  At experiment (16-day OVx) 5.2 ± 1.5 3.2 ± 0.3
  1. Values are means ± SE of radioimmunoassay data from 5 rats/group. Orbital plexus blood as taken under deep anesthesia from sham OVx allergic and Sham-Ovx allergic rats at various time points corresponding to the experimental steps.