Mechanism of Crosstalk between m6A Modification and Epigenetic Regulation
Crosstalk ID
M6ACROT00505
[1], [2], [3]
RNA modification MIR222 MIR222 ADARB1 Methylation : modification sites Indirect Inhibition m6A modification ATF3 ATF3 ELAVL1 : m6A sites
m6A Modification:
m6A Regulator ELAV-like protein 1 (ELAVL1) READER
m6A Target Cyclic-AMP-dependent transcription factor ATF-3 (ATF3)
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 222 (MIR222) 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 222 (MIR222), increasing it's A-to-I level and inhibiting its physical interaction with Cyclic-AMP-dependent transcription factor ATF-3 (ATF3), which was regulated by ELAVL1-mediated m6A modification.
In-vitro Model
Hep-G2 Hepatoblastoma Homo sapiens CVCL_0027
U-118MG Astrocytoma Homo sapiens CVCL_0633
References
Ref 1 Interaction of RNA-binding proteins HuR and AUF1 with the human ATF3 mRNA 3'-untranslated region regulates its amino acid limitation-induced stabilization. J Biol Chem. 2005 Oct 14;280(41):34609-16. doi: 10.1074/jbc.M507802200. Epub 2005 Aug 17.
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 Extracellular vesicles-derived microRNA-222 promotes immune escape via interacting with ATF3 to regulate AKT1 transcription in colorectal cancer. BMC Cancer. 2021 Apr 1;21(1):349. doi: 10.1186/s12885-021-08063-5.