PPP1R21 and endometriosis: It was found that out of 122 endometriosis-significant genetic markers (7 endometriosis-associated loci and 115 proxy variants), 118 SNPs (96.72%) have alleged regulatory influences on 13 genes in the region in in which they are located (ZBTB10, RP11-48B3.4, RP11-327J17.3, RP11-327J17.2, PPP1R21, NR2F2, KLRAQ1, JMJD1C, GCKR, FOXN2, BRI3, PRMT6, BAIAP2L1) (Table S4).