IL4 and endometriosis: Other endometriosis related pathways were enriched in our analysis as GnRH signaling pathway (Weng et al., 2014[53]), progesterone receptor signaling pathway (Wetendorf and DeMayo, 2014[54]), neurotrophin signaling pathway (Borghese et al., 2010[6]), histone modification (Monteiro et al., 2014[38]), and IL4-mediated signaling events (OuYang et al., 2008[42]).