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Hypoxia-induced ELF3 promotes tumor angiogenesis through IGF1/IGF1R
- Title
- Hypoxia-induced ELF3 promotes tumor angiogenesis through IGF1/IGF1R
- Authors
- Seo, Seung Hee; Hwang, Soo-Yeon; Hwang, Seohui; Han, Sunjung; Park, Hyojin; Lee, Yun-Sil; Rho, Seung Bae; Kwon, Youngjoo
- Ewha Authors
- 권영주; 이윤실; 황수연
- SCOPUS Author ID
- 권영주; 이윤실; 황수연
- Issue Date
- 2022
- Journal Title
- EMBO REPORTS
- ISSN
- 1469-221X
1469-3178
- Citation
- EMBO REPORTS vol. 23, no. 8
- Keywords
- ELF3; hypoxia; insulin-like growth factor I; ovarian cancer; tumor angiogenesis
- Publisher
- WILEY
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- Epithelial ovarian cancer (EOC) is one of the most lethal gynecological cancers despite a relatively low incidence. Angiogenesis, one of the hallmarks of cancer, is essential for the pathogenesis of EOC, which is related to the induction of angiogenic factors. We found that ELF3 was highly expressed in EOCs under hypoxia and functioned as a transcription factor for IGF1. The ELF3-mediated increase in the secretion of IGF1 and VEGF promoted endothelial cell proliferation, migration, and EOC angiogenesis. Although this situation was much exaggerated under hypoxia, ELF3 silencing under hypoxia significantly attenuated angiogenic activity in endothelial cells by reducing the expression and secretion of IGF1 and VEGF. ELF3 silencing attenuated angiogenesis and tumorigenesis in ex vivo and xenograft mouse models. Consequently, ELF3 plays an important role in the induction of angiogenesis and tumorigenesis in EOC as a transcription factor of IGF1. A detailed understanding of the biological mechanism of ELF3 may both improve current antiangiogenic therapies and have anticancer effects for EOC.
- DOI
- 10.15252/embr.202152977
- Appears in Collections:
- 약학대학 > 약학과 > Journal papers
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