NR3C1 and endometriosis: Examining the ratio of GR to MCR2 expression in the adrenals revealed that in the rats that received antalarmin and endometriosis, there is a shift towards GR expression and the ratio in this animals is 2:1 compared to the vehicle and sham operated rats, which demonstrated a ratio of GR to MCR2 closer to 1:1 (Fig 4C).