Ed for chyrisin by Park et al. [75], truly testing 5,7-Dimethoxyflavone (DMF), a methylated type of chrysin extracted from KaempferiaNutrients 2021, 13,13 ofparviflora (KP). The methylation of flavonoids has been demonstrated to tremendously improve their absorption and bioavailability. A equivalent biological impact was demonstrated for naringenin by the identical authors [50]. Indeed, naringenin (100 ) decreased the proliferation and increased apoptosis of VK2/E6E7 and End1/E6E7 cells. Inside the similar cells, it also improved the production of ROS 3-fold, induced mitochondrial pro-apoptotic proteins (Bax and Bak), in VK2/E6E7 cells by 7-fold and in End1/E6E7 cells by 2-fold. Finally, naringenin substantially increased apoptosis via generation of ER pressure regulatory genes, in certain G1 Cereblon drug arrest and DNA damage 153 (GADD153), inositol-requiring protein 1 (IRE1) and GRP78, and via activation of MAPK signaling and inactivation of PI3K pathway. It truly is intriguing to note that the same group of authors investigated these very same biological mechanisms highlighted for chirisin, narigenin for other substances, which include apigenin, delphinidin, luteolin, quercetin, silibinin and myricetin in VK2/E6E7 and End1/E6E7 endometriotic cells lines [50,55,61,679]. All these studies are summarized in Table 1. All round, they demonstrated that the PE effect on endometriosis is often antiproliferative and proapoptic by means of the activation of intracellular signals of calcium, ER strain and ROS production and by way of the activation of the MAPK GSK-3 Gene ID pathway plus a decreased phosphorylation of ERK1/2 and PI3K/AKT signaling proteins. Two studies out of 22 investigated the biological impact of EGCG in eutopic endometrial stromal cells (EuSC) from women with or devoid of endometriosis [35] or in EuSC and ectopic endometrial stromal cells (EcSC) from girls affected by endometriosis [40]. The results from these studies have been contradictory: when Ricci and coworkers showed no considerable distinction in cell proliferation and apoptosis amongst instances and controls [35], Matsuzaki et al. demonstrated an inhibited cell proliferation, migration and invasion of both EuSC and EcSC right after EGCG treatment. In addition, EGCG considerably decreased the Tumor development element b-1 (TGF-b1)-dependent enhance within the mRNA expression of fibrotic markers and significantly inhibited TGF-b1-stimulated activation on the MAPK and Smad signaling pathways in both cells [40]. Kim et al. [48] examined the impact of Pueraria flowers extract (PFE), a wealthy supply of isoflavones which include genistein, daidzein, kakkalide, puerarin, and tectoridin, on immortalised human endometriotic cells, 11Z and 12Z. Mesothelial Met5A cells have been utilised for adhesion assessment just after PFE treatment. They concluded that PFE substantially inhibited adhesion and migration of endometriotic cells to mesothelial cells, suppressing the mRNA and protein expressions of matrix metalloproteinases (MMP)-2 and MMP-9 and escalating the phosphorylation of ERK1/2 in endometriotic cells. A decreased MMP expression was also reported for apigenin [55] and for quercetin [68]. Takaoka and coworkers showed that Daidzein-rich isoflavone aglycones (DRIAs) considerably inhibited the proliferation of ectopic cells in a concentration dependent manner [57]. In addition, it decreased IL-6, IL-8, COX-2 and aromatase mRNA levels, prostaglandin E2 (PGE2) protein levels, and aromatase enzyme activity. DRIAs suppressed the Tumor necrosis factor- (TNF-) induced IB expression, the nucle.