ArticleMolecular carcinogenesis2022
Nuclear receptor 4A1 (NR4A1) antagonists target paraspeckle component 1 (PSPC1) in cancer cells.
Article in Molecular carcinogenesis, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 14 citations in OpenAlex.
- Antigen-specific immunotherapy with a CD4Nature communications · 2026Article
- LncRNA CASC19 promotes pancreatic cancer progression by increasing PSPC1 protein stability and facilitating the oncogenic PSPC1/ β-Catenin pathway.Molecular medicine (Cambridge, Mass.) · 2025Article
- Controversy and multiple roles of the solitary nucleus receptor Nur77 in disease and physiology.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025Review
- NR4A1 silencing alleviates high-glucose-stimulated HK-2 cells pyroptosis and fibrosisWorld journal of diabetes · 2025Article
- Targeting the nuclear orphan receptor NR4A1: a key target in lung cancer progression and therapeutic resistance.Frontiers in oncology · 2025Review
- Paraspeckle Component 1: a multifunctional RNA binding protein.American journal of cancer research · 2025Review
- LncRNA LOC105369504 inhibits tumor proliferation and metastasis in colorectal cancer by regulating PSPC1.Cell death discovery · 2023Article
- RBM10 regulates alternative splicing of lncRNA Neat1 to inhibit the invasion and metastasis of NSCLC.Cancer cell international · 2022Article
- [Nur77 promotes invasion and migration of gastric cancer cells through the NF-κB/IL-6 pathway].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2022Article
- Therapeutic potential of NR4A1 in cancer: Focus on metabolism.Frontiers in oncology · 2022Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Paraspeckles compound 1 (PSPC1) is a multifunctional protein that plays an important role in cancer cells, where PSPC1 is a master regulator of pro-oncogenic responses that includes activation of TGFβ (TGFβ1), TGFβ-dependent EMT, and metastasis. The pro-oncogenic activities of PSPC1 closely resembled those observed for the orphan nuclear receptor 4A1 (NR4A1, Nur77) and knockdown of NR4A1 decreased expression of PSPC1 in MDA-MB-231 breast, H1299 lung, and SNU449 liver cancer cells. Similar results were observed in these same cell lines after treatment with bisindole-derived (CDIMs) NR4A1 antagonists. Moreover, PSPC1-dependent regulation of TGFβ, genes associated with cancer stem cells and epithelial to mesenchymal transition (EMT) were also downregulated after NR4A1 silencing or treatment of breast, lung, and liver cancer cells with CDIM/NR4A1 antagonists. Results of chromatin immunoprecipitation (ChIP) assays suggest that NR4A1 regulates PSPC1 through interaction with an NBRE sequence in the PSPC1 gene promoter. These results coupled with in vivo studies showing that NR4A1 antagonists inhibit breast tumor growth and downregulate PSPC1 in tumors indicate that the pro-oncogenic nuclear PSPC1 factor can be targeted by CDIM/NR4A1 antagonists.
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