MicroRNAs in Dopamine Agonist-Resistant Prolactinoma
Dopamine agonists (DAs) are preferred for the treatment of prolactinomas and are usually very effective. Nonetheless, 20–30% of bromocriptine- and approximately 10% of cabergoline-treated individuals exhibit resistance to DAs. In addition, the mechanism underlying this phenomenon remains elusive. In this study, we summarize the major findings regarding the role of microRNAs (miRNAs) in the pathogenesis of DA-resistant prolactinoma (DARP). Currently available evidence suggests that miRNAs are usually dysregulated in DARP and that, although controversial, the dysregulated miRNAs target the transforming growth factor (TGF)-β, dopamine 2 receptor (D2R), or estradiol (E2)/estrogen receptor (ER) signaling pathways to mediate the therapeutic effect of DAs. These findings provide new incentives for research on innovative strategies for predicting patients’ responsiveness to dopamine therapies and for developing treatment approaches. Unfortunately, recent studies tended to focus exclusively on the differential miRNA expression profiles between DARP and dopamine-sensitive prolactinoma, and no definitive consensus has been reached regarding the role of these miRNAs in the modulation mechanism. Therefore, current and future efforts should be directed toward the exploration of the mechanism underlying the dysregulation of miRNAs as well as of the target proteins that are affected by the dysregulated miRNAs. Furthermore, the modulation of the expression of dysregulated miRNAs, which target the D2R, TGF-β, or E2/ER signaling pathways, might be a promising alternative to treat patients with DARP and improve their prognosis.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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MicroRNAs in Dopamine Agonist-Resistant Prolactinoma ; volume:112 ; number:5 ; year:2022 ; pages:417-426 ; extent:10
Neuroendocrinology ; 112, Heft 5 (2022), 417-426 (gesamt 10)
- Creator
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Wan, Xueyan
Yan, Zisheng
Tan, Zhoubin
Cai, Zhi
Qi, Yiwei
Lu, Liang
Xu, Yu
Chen, Juan
Lei, Ting
- DOI
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10.1159/000517356
- URN
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urn:nbn:de:101:1-2022051201230901874130
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:36 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Wan, Xueyan
- Yan, Zisheng
- Tan, Zhoubin
- Cai, Zhi
- Qi, Yiwei
- Lu, Liang
- Xu, Yu
- Chen, Juan
- Lei, Ting
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