Abstract:
:The roles of long noncoding RNA (lncRNA) MACC1-AS1 have been revealed in various tumors. This work aims to explore the roles of lncRNA MACC1-AS1 in the stemness of nonsmall cell lung cancer (NSCLC) cells and the underlying mechanism. We showed that overexpression of MACC1-AS1 enhanced the stemness of NSCLC cells, which is evident as the increased expression of cancer stem cell transcription factors, ALDH1 activity, and sphere-formation capacity, while knockdown of MACC1-AS1 decreased it. RNA-sequencing analysis revealed that the Hippo pathway was mostly enriched in NSCLC cell with MACC1-AS1 overexpression. Further mRNA and western blot analysis showed that ectopic expression of MACC1-AS1 regulated the expression LATS1/2, the critical regulator of Hippo pathway. Additionally, it was found that MACC1-AS1 interacted with up-frameshift 1 (UPF1) to modulate mRNA decay of LATS1/2. Overexpression of LAST1/2 attenuated the promoting effects of MACC1-AS1 overexpression on the stemness of NSCLC cells. Therefore, our results demonstrate the effects of the novel MACC1-AS1/UPF1/LATS1/2 axis in NSCLC cell stemness.
journal_name
Environ Toxicoljournal_title
Environmental toxicologyauthors
Wang X,Yu X,Wei W,Liu Ydoi
10.1002/tox.22936subject
Has Abstractpub_date
2020-09-01 00:00:00pages
998-1006issue
9eissn
1520-4081issn
1522-7278journal_volume
35pub_type
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