Journal
CELL DEATH & DISEASE
Volume 12, Issue 6, Pages -Publisher
SPRINGERNATURE
DOI: 10.1038/s41419-021-03812-7
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The study suggests that TUG1 sponges miR-187-3p to influence the development of PA by elevating TESC levels and regulating the NF-kappa B signaling pathway.
The molecule mechanisms of long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) in human diseases have been broadly studied recently, therefore, our research aimed to assess the effect of lncRNA taurine upregulated gene 1 (TUG1)/miR-187-3p/tescalcin (TESC) axis in pituitary adenoma (PA) by regulating the nuclear factor-kappa B (NF-kappa B) signaling pathway. We observed that TUG1 was upregulated in PA tissues and was associated with invasion, knosp grade and tumor size. TUG1 particularly bound to miR-187-3p. TUG1 knockdown inhibited cell proliferation, invasion, migration, and epithelial-mesenchymal transition, promoted apoptosis, and regulated the expression of NF-kappa B p65 and inhibitor of kappa B (I kappa B)-alpha in PA cells lines in vitro, and also inhibited tumor growth in vivo, and these effects were reversed by miR-187-3p reduction. Similarly, miR-187-3p elevation inhibited PA cell malignant behaviors and modulated the expression of NF-kappa B p65 and I kappa B-alpha in PA cells, and reduced in vivo tumor growth as well. TUG1 inhibition downregulated TESC, which was targeted by miR-187-3p. In conclusion, this study suggests that TUG1 sponges miR-187-3p to affect PA development by elevating TESC and regulating the NF-kappa B signaling pathway.
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