Matches in SemOpenAlex for { <https://semopenalex.org/work/W2008152889> ?p ?o ?g. }
- W2008152889 abstract "Glucocorticoids have been widely used in various inflammatory disorders, and the transcriptional repression of inflammatory mediators has been considered to be the main mechanism of action. However, a previous study showed that dexamethasone inhibited interleukin 8 (IL-8) expression by promoting IL-8 mRNA decay, which implies a posttranscriptional regulation. Nevertheless, by which mechanism dexamethasone destabilized IL-8 mRNA was unclear. Another study indicated that an RNA-binding protein, tristetraprolin (TTP), could be induced by dexamethasone. TTP can bind to AU-rich elements (ARE) in the 3'-untranslated region of target mRNAs and promotes mRNA degradation. So, we speculated that dexamethasone destabilized IL-8 mRNA by upregulating TTP expression. Here, we report that dexamethasone reduced IL-8 expression through destabilizing IL-8 mRNA in human pulmonary microvascular endothelial cells (HPMECs). Dexamethasone stimulation increased TTP mRNA and protein levels. TTP silencing led to mRNA stabilization and protein upregulation of IL-8. These results provide the evidence that the glucocorticoid, in HPMECs, inhibits IL-8 expression through TTP at the posttranscriptional level." @default.
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- W2008152889 date "2014-10-01" @default.
- W2008152889 modified "2023-10-17" @default.
- W2008152889 title "Tristetraprolin is involved in the glucocorticoid-mediated interleukin 8 repression" @default.
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- W2008152889 doi "https://doi.org/10.1016/j.intimp.2014.07.031" @default.
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