Mechanism of Crosstalk between m6A Modification and Epigenetic Regulation
Crosstalk ID
M6ACROT00521
[1], [2], [3]
RNA modification MIR221 MIR221 ADARB1 Methylation : modification sites Indirect Inhibition m6A modification FOXO3 FOXO3 METTL3 Methylation : m6A sites
m6A Modification:
m6A Regulator Methyltransferase-like 3 (METTL3) WRITER
m6A Target Forkhead box protein O3 (FOXO3)
Epigenetic Regulation that have Cross-talk with This m6A Modification:
Epigenetic Regulation Type RNA modification (RNAMod)  >> Adenosine-to-Inosine editing (A-to-I)
Epigenetic Regulator Double-stranded RNA-specific editase 1 (ADARB1) WRITER View Details
Regulated Target MicroRNA 221 (MIR221) View Details
Crosstalk Relationship A-to-I  →  m6A Inhibition
Crosstalk Mechanism RNA modification indirectly impacts m6A modification through downstream signaling pathways
Crosstalk Summary ADARB1 interacts with MicroRNA 221 (MIR221), increasing it's A-to-I level and inhibiting its physical interaction with Forkhead box protein O3 (FOXO3), which was regulated by METTL3-mediated m6A modification.
In-vitro Model
Hep-G2 Hepatoblastoma Homo sapiens CVCL_0027
U-118MG Astrocytoma Homo sapiens CVCL_0633
References
Ref 1 RNA m(6) A methylation regulates sorafenib resistance in liver cancer through FOXO3-mediated autophagy. EMBO J. 2020 Jun 17;39(12):e103181. doi: 10.15252/embj.2019103181. Epub 2020 May 5.
Ref 2 Modulation of microRNA editing, expression and processing by ADAR2 deaminase in glioblastoma. Genome Biol. 2015 Jan 13;16(1):5. doi: 10.1186/s13059-014-0575-z.
Ref 3 circPAN3 exerts a profibrotic role via sponging miR-221 through FoxO3/ATG7-activated autophagy in a rat model of myocardial infarction. Life Sci. 2020 Sep 15;257:118015. doi: 10.1016/j.lfs.2020.118015. Epub 2020 Jul 3.