2021
DOI: 10.15252/emmm.202013162
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The NFIB‐ERO1A axis promotes breast cancer metastatic colonization of disseminated tumour cells

Abstract: Metastasis is the main cause of deaths related to solid cancers. Active transcriptional programmes are known to regulate the metastatic cascade but the molecular determinants of metastatic colonization remain elusive. Using an inducible piggyBac (PB) transposon mutagenesis screen, we have shown that overexpression of the transcription factor nuclear factor IB (NFIB) alone is sufficient to enhance primary mammary tumour growth and lung metastatic colonization. Mechanistically and functionally, NFIB directly inc… Show more

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Cited by 29 publications
(27 citation statements)
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“…ERO1A, which is a protein involved in the oxidative protein folding of molecules involved in cancer progression, has been reported to be induced by hypoxia in HeLa cells ( 44 ). The expression levels of ERO1A have been reported to be upregulated in numerous types of cancer cells compared with normal cells, such as breast, pancreatic and colorectal cancer ( 19 , 17 , 22 ), which was consistent with the present findings that CC cells exhibited upregulated ERO1A expression compared with End1/E6E7 cells. Notably, transfection with the miR-582-5p mimic downregulated the expression levels of ERO1A in HeLa cells.…”
Section: Discussionsupporting
confidence: 93%
See 1 more Smart Citation
“…ERO1A, which is a protein involved in the oxidative protein folding of molecules involved in cancer progression, has been reported to be induced by hypoxia in HeLa cells ( 44 ). The expression levels of ERO1A have been reported to be upregulated in numerous types of cancer cells compared with normal cells, such as breast, pancreatic and colorectal cancer ( 19 , 17 , 22 ), which was consistent with the present findings that CC cells exhibited upregulated ERO1A expression compared with End1/E6E7 cells. Notably, transfection with the miR-582-5p mimic downregulated the expression levels of ERO1A in HeLa cells.…”
Section: Discussionsupporting
confidence: 93%
“…Endoplasmic reticulum oxidoreductase 1α (ERO1α; ERO1A) is an oxidase located in the endoplasmic reticulum, which promotes the formation of disulphide bonds in granulocyte-colony stimulating factor (15). Accumulating evidence has demonstrated the close association between upregulated expression levels of ERO1A and poor prognosis in multiple types of cancer, such as pancreatic cancer, cholangiocarcinoma and breast cancer (16)(17)(18)(19). In a previous study, knockdown of ERO1A expression reduced the proliferation, migration and tumorigenesis of CC cells by downregulating H 2 O 2 -associated epithelial-to-mesenchymal transition (20).…”
Section: Introductionmentioning
confidence: 99%
“…Subsequently, we predicted the downstream targets of miR-603 using the miRDB database. 6 genes (NFIB [ 27 ], ZEB2 [ 28 ], TLR4 [ 29 ], KDM7A [ 30 ], LASP1 [ 31 ], and KIF2A [ 32 ]) related to BC were selected as candidate targets for further analysis among all predicted target genes. Moreover, only KIF2A was repressed in both miR-603-overexpressing HCC70 and MDA-MB-231 cells, so KIF2A was selected for subsequent investigation (Additional file 3 : Fig.…”
Section: Resultsmentioning
confidence: 99%
“…In vivo, ERO1-deficient breast cancer xenografts show reduced ability to generate lung metastases, together with a decreased vasculogenesis in the primary tumors, suggesting that ERO1 inhibition might represent a good tool to selectively impair angiogenesis of solid tumors and limit metastases [45] [52].…”
Section: Accepted Articlementioning
confidence: 99%