期刊
JOURNAL OF PINEAL RESEARCH
卷 74, 期 1, 页码 -出版社
WILEY
DOI: 10.1111/jpi.12842
关键词
antiproliferation; endometriosis; melatonin; mitochondria; tiRNA
This study found that melatonin and dienogest can effectively reduce surgically induced endometriotic lesions. Melatonin functions by inhibiting cell proliferation, inducing apoptosis, and regulating calcium homeostasis. Additionally, it affects mitochondrial function and ATP production, suppresses signaling pathways, and inhibits cell migration as a treatment for endometriosis.
Endometriosis is a benign gynecological disease characterized by abnormal growth of endometrial-like cells outside the uterus. Melatonin, a hormone secreted by the pineal gland, has been shown to have therapeutic effects in various diseases, including endometriosis. However, the underlying molecular mechanisms are yet to be elucidated. The results of this study demonstrated that melatonin and dienogest administration effectively reduced surgically induced endometriotic lesions in a mouse model. Melatonin suppressed proliferation, induced apoptosis, and dysregulated calcium homeostasis in endometriotic cells and primary endometriotic stromal cells. Melatonin also caused mitochondrial dysfunction by permeating through the mitochondrial membrane to disrupt redox homeostasis in the endometriotic epithelial and stromal cells. Furthermore, melatonin affected oxidative phosphorylation systems to decrease ATP production in End1/E6E7 and VK2/E6E7 cells. This was achieved through messenger RNA-mediated downregulation of respiratory complex subunits. Melatonin inhibited the PI3K/AKT and ERK1/2 pathways and the mitochondria-associated membrane axis and further suppressed the migration of endometriotic epithelial and stromal cells. Furthermore, we demonstrated that tiRNA(GluCTC) and tiRNA(AspGTC) were associated with the proliferation of endometriosis and that melatonin suppressed the expression of these tiRNAs in primary endometriotic stromal cells and lesions in a mouse model. Thus, melatonin can be used as a novel therapeutic agent to manage endometriosis.
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