GPER1 and post-traumatic stress disorder: In addition, G15 (GPER1 inhibitor) and ANA‐12 (TrkB inhibitor) blocked the ameliorative effects of G1 on PTSD‐like behaviors and aberrant expression of hippocampal synaptic and mitochondrial proteins in SPS mice and inhibited the reparative effects of G1 on structural damage to hippocampal mitochondria, respectively.