Oestrogen promotes the progression of adenomyosis by inhibiting CITED2 through miR-145

Ziyu Zhang, Zhang Z, Yunna Qin, Qin Y, Huang J, Jia Huang, Wang Y, Yaoqing Wang, Zeng L, Liqin Zeng, Yuanqin Wang, Fu Zhuyun, Zhuyun F, Wang L, Liqun Wang
Reproductive biomedicine online · 2024 · vol. 49(6) , pp. 104108 · doi:10.1016/j.rbmo.2024.104108 · PMID:39293195 · W4396846604
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⚙ AI-generated summary by claude@2026-06, 2026-06-13 ⓘ

This study investigated how oestrogen drives adenomyosis progression by downregulating CITED2 expression via miR-145.

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Abstract

RESEARCH QUESTION: Is the microRNA miR-145 involved in adenomyosis, and by what mechanisms does it affect disease development and is itself regulated? DESIGN: Fluorescence in-situ hybridization was used to observe the expression pattern of miR-145 in adenomyosis ectopic endometrium (n = 13), adenomyosis eutopic endometrium (n = 15) and non-adenomyosis eutopic endometrium (n = 14). RNA sequencing was used to screen target genes as well as downstream pathways of miR-145, which were validated by reporter gene assay, quantitative polymerase chain reaction and western blot, and further analysed using cell migration assay and chromatin immunoprecipitation assay. RESULTS: The fluorescence in-situ hybridization assay revealed a noteworthy elevation in miR-145 expression in adenomyosis tissue compared with non-adenomyosis tissue. Furthermore, RNA sequencing analysis revealed that overexpression of miR-145 resulted in heightened expression of genes associated with the cytokine signalling pathway, nucleotide-binding and oligomerization domain-like pathway and adhesion pathway, including IL-1β and IL-6. Our study has identified CITED2 as a downstream direct target gene of miR-145, which is implicated in the inhibition of stromal cell migration induced by miR-145. Moreover, chromatin immunoprecipitation was used to validate the direct effect of oestradiol on the promoter region of miR-145, mediated by oestrogen receptor α, which facilitates the upregulation of miR-145 expression. CONCLUSION: Our findings provide evidence supporting the role of oestradiol, acting through its receptor α, in modulating the discovered miR-145-CITED2 signalling axis, thereby promoting the progression of adenomyosis.

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Condition tags

adenomyosis

MeSH descriptors

Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis Adenomyosis

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

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