Cited by 117Endometriosis Research and TreatmentMicroRNA in disease regulationExtracellular vesicles in disease

microRNAs expression in endometriosis and their relation to angiogenic factors

Ramon, L. A., Braza-Boils, A., Gilabert-Estelles, J., Gilabert, J., Espana, F., Chirivella, M., Estelles, A.·2011·Human Reproduction

Abstract

BACKGROUND: Endometriosis is a common, multifactorial disease in which angiogenesis may be involved in the growth of endometrium outside the uterus. microRNAs (miRNAs) are 21-22 nucleotide non-coding RNAs that regulate gene expression and play fundamental roles in biological processes. The objective of this study was to analyze several miRNAs related to angiogenesis and the angiogenic factors, vascular endothelial growth factor-A (VEGF-A) and thrombospondin-1 (TSP-1), in endometriotic lesions (ovarian endometrioma, peritoneal lesion and rectovaginal nodule) and eutopic endometrium from women with endometriosis. METHODS: TaqMan real-time PCR was used to assess the expression of the miRNAs (miR-15b, -16, -17-5p, -20a, -21, -125a, -221 and -222), while VEGF-A and TSP-1 mRNA were assessed by real-time PCR, with SYBR Green I and VEGF-A and TSP-1 protein levels were quantified by ELISA. Included in the study were 58 women with endometriosis and 38 control women. RESULTS: In paired samples, ovarian endometrioma showed significantly lower VEGF-A mRNA (P = 0.02) and protein (P = 0.002) expression than eutopic endometrium and higher expression of miR-125a (P = 0.003) and miR-222 (P <0.001). However, ovarian endometrioma had significantly higher expression of the angiogenic inhibitor TSP-1 and lower expression of miR-17-5p than eutopic endometrium (P < 0.001). Moreover, a significant inverse correlations between miR-222 and VEGF-A protein levels (-0.267, P = 0.018) and between miR-17-5p and TSP-1 protein levels (-0.260, P=0.022) were observed. Peritoneal lesions showed a significant increase in VEGF-A in comparison with ovarian endometrioma (P < 0.01). CONCLUSIONS: Expression levels of miRNAs related to angiogenesis were different in eutopic endometrium from that observed in ovarian endometrioma. This could influence the expression of angiogenic factors and play a role in the pathogenesis of endometriosis.

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Crossref · 10.1093/humrep/der025

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Authors
Ramon, L. A., Braza-Boils, A., Gilabert-Estelles, J., Gilabert, J., Espana, F., Chirivella, M., & Estelles, A.
Affiliations
  • Hospital Arnau de Vilanova (ES)
  • Hospital Universitari i Politècnic La Fe (ES)
Venue
Human Reproduction
Published
2011-02-18
Volume
26
Issue
5
Pages
1082-1090
ISSN
  • 0268-1161 (ISSN-L)
  • 1460-2350
OpenAlex
W2127311828
Cited by
117
References
46
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 4 · 2022: 10 · 2021: 7 · 2020: 11 · 2019: 9 · 2018: 6 · 2017: 8 · 2016: 8 · 2015: 12 · 2014: 5 · 2013: 13 · 2012: 8
FWCI
10.65
Type
journal article
Language
en
Open access
closed
Locations
  • Human Reproduction (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Endometriosis Research and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
Keywords
endometriosis, microRNA, angiogenesis, VEGF-A, thrombospondin-1, endometrioma, peritoneal endometriosis, eutopic endometrium, miR-17-5p, miR-222, miR-125a, miR-15b, miR-16, miR-21, miR-20a
MeSH terms
Adult, Endometriosis, Enzyme-Linked Immunosorbent Assay, Female, Gene Expression Regulation, Humans, Menstrual Cycle, Neovascularization, Pathologic, RNA, Messenger, Thrombospondin 1, MicroRNAs, Vascular Endothelial Growth Factor A, Angiogenesis Inducing Agents

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