MicroRNA expression profile in endometriosis: its relation to angiogenesis and fibrinolytic factors

被引:139
作者
Braza-Boils, Aitana [1 ]
Mari-Alexandre, Josep [1 ]
Gilabert, Juan [2 ]
Sanchez-Izquierdo, Dolors [3 ]
Espana, Francisco [4 ]
Estelles, Amparo [4 ]
Gilabert-Estelles, Juan [5 ]
机构
[1] Inst Invest Sanitaria Hosp La Fe IIS La Fe, Grp Hemostasia Trombosis Arteriosclerosis & Biol, Valencia, Spain
[2] Hosp Arnau Vilanova, Serv Ginecol, Valencia, Spain
[3] IIS La Fe, Unidad Genom, Valencia, Spain
[4] Politecn La Fe, Valencia, Spain
[5] Univ Valencia, Hosp Gen Univ, Area Clin Maternoinfantil, Valencia, Spain
关键词
microRNA; endometriosis; angiogenesis; VEGF-A; fibrinolysis; ENDOTHELIAL GROWTH-FACTOR; MATRIX-METALLOPROTEINASE SYSTEMS; OVARIAN-STEROID REGULATION; PLASMINOGEN-ACTIVATOR; MESENCHYMAL TRANSITION; PERITONEAL-FLUID; MESSENGER-RNA; IN-VITRO; WOMEN; PATHOGENESIS;
D O I
10.1093/humrep/deu019
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Could an aberrant microRNA (miRNA) expression profile be responsible for the changes in the angiogenic and fibrinolytic states observed in endometriotic lesions? This study revealed characteristic miRNA expression profiles associated with endometriosis in endometrial tissue and endometriotic lesions from the same patient and their correlation with the most important angiogenic and fibrinolytic factors. An important role for dysregulated miRNA expression in the pathogenesis of endometriosis is well documented. However, to the best of our knowledge, there are no reports of the relationship between angiogenic and fibrinolytic factors and miRNAs when endometrial tissue and different types of endometriotic lesions from the same patient are compared. Casecontrol study that involved 51 women with endometriosis and 32 women without the disease (controls). The miRNA expression profiles were determined using the GeneChip miRNA 2.0 Affymetrix array platform, and the results were analysed using Partek Genomic Suite software. To validate the obtained results, 12 miRNAs differentially expressed were quantified by using miRCURY LNA Universal RT microRNA PCR. Levels of vascular endothelial growth factor (VEGF-A), thrombospondin-1 (TSP-1), urokinase plasminogen activator (uPA) and plasminogen activator inhibitor-1 (PAI-1) proteins were quantified by ELISA. Patient endometrial tissue showed significantly lower levels of miR-202-3p, miR-424-5p, miR-449b-3p and miR-556-3p, and higher levels of VEGF-A and uPA than healthy (control) endometrium. However, tissue affected by ovarian endometrioma showed significantly lower expression of miR-449b-3p than endometrium from both controls and patients, and higher levels of PAI-1 and the angiogenic inhibitor TSP-1. A significant inverse correlation between miR-424-5p and VEGF-A protein levels was observed in patient endometrium, and an inverse correlation between miR-449b-3p and TSP-1 protein levels was observed in ovarian endometrioma. Peritoneal implants had significantly higher levels of VEGF-A than ovarian endometrioma samples. Functional studies are needed to confirm the specific targets of the miRNAs differently expressed. Differences in miRNA levels could modulate the expression of VEGF-A and TSP-1, which may play an important role in the pathogenesis of endometriosis. The higher angiogenic and proteolytic activities observed in eutopic endometrium from patients might facilitate the implantation of endometrial cells at ectopic sites. This work was supported by research grants from ISCIII-FEDER (PI11/0091, Red RIC RD12/0042/0029), Consellera de Educacin-Generalitat Valenciana (PROMETEO/2011/027), Beca de Investigacin Fundacin Dexeus para la Salud de la Mujer (2011/0469), and by Fundacin Investigacin Hospital La Fe (2011/211). A.B-B. has a Contrato Posdoctoral de Perfeccionamiento Sara Borrell-ISCIII (CD13/00005). J.M-A. has a predoctoral grant PFIS-ISCIII (FI12/00012). The authors have no con?icts of interest to declare.
引用
收藏
页码:978 / 988
页数:11
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