The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.
RNA N6-methyladenosine reader IGF2BP3 regulates cell cycle and angiogenesis in colon cancer
Open accessAbstract
Background: N6-Methyladenosine (m6A) modification has been implicated in multiple processes for colon cancer development. IGF2BP3 was a newly reported m6A reader, whereas its role in colon cancer remains unclear. Methods: The expression of m6A associated enzymes and total m6A level were measured by Western Blotting analysis and m6A RNA Methylation Quantification Kit respectively. Cell cycle was analyzed by flowcytometry. The interaction of IGF2BP3 and related targets was analyzed by RNA immunoprecipitation (RIP) and m6A RNA immunoprecipitation (MeRIP) assays. Results: We investigated all m6A regulated enzymes in colon cancer and found only the overexpression of IGF2BP3 was associated with cancer progression and survival based on The Cancer Genome Atlas (TCGA) databases. Additionally, we also demonstrated IGF2BP3 was associated with DNA replication in the cell cycle. Knockdown of IGF2BP3 significantly repressed percentage of S phase of cell cycle as well as cell proliferation. Further research demonstrated IGF2BP3 bound to the mRNA of Cyclin D1 (CCND1, checkpoint of G1/S phase of cell cycle) and reduced its mRNA stability via reading m6A modification in the CDS region. Overexpression of Cyclin D1 in IGF2BP3 down-regulated cells completely rescued the inhibited percentage of S phase in cell cycle as well as cell proliferation. Additionally, we also demonstrated a similar role of IGF2BP3 at VEGF. IGF2BP3 bound to the mRNA of VEGF and reads m6A modification, thus regulated both expression and stability of VEGF mRNA. Knockdown of IGF2BP3 repressed angiogenesis in colon cancer via regulating VEGF. Conclusion: Knockdown of IGF2BP3 repressed DNA replication in the S phase of cell cycle and angiogenesis via reading m6A modification of CCND1 and VEGF respectively. IGF2BP3 was a possible prognosis marker and potential therapeutic target of colon cancer.
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N6-methyladenosine-dependent regulation of messenger RNA stability
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Recognition of RNA N6-methyladenosine by IGF2BP proteins enhances mRNA stability and translation
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R-2HG Exhibits Anti-tumor Activity by Targeting FTO/m6A/MYC/CEBPA Signaling
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Metadata
- Authors
- Yang, Z., Wang, T., Wu, D., Min, Z., Tan, J., & Yu, B.
- Venue
- Journal of Experimental & Clinical Cancer Research
- Published
- 2020-09-29
- Volume
- 39
- Issue
- 1
- Pages
- 203-203
- ISSN
- 0392-9078 (ISSN-L)
- 1756-9966
- OpenAlex
- W3089709611
- Cited by
- 264
- References
- 22
- FWCI
- 10.10
- Type
- journal article
- Language
- en
- Open access
- gold
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