Mechanism of Crosstalk between m6A Modification and Epigenetic Regulation
Crosstalk ID
M6ACROT00507
[1], [2], [3]
RNA modification MIR222 MIR222 ADARB1 Methylation : modification sites Indirect Inhibition m6A modification ATF3 ATF3 YTHDF2 : m6A sites
m6A Modification:
m6A Regulator YTH domain-containing family protein 2 (YTHDF2) 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 YTHDF2-mediated m6A modification.
In-vitro Model
MCF-7 Invasive breast carcinoma Homo sapiens CVCL_0031
U-118MG Astrocytoma Homo sapiens CVCL_0633
References
Ref 1 ATF3 Modulates the Resistance of Breast Cancer Cells to Tamoxifen through an N(6)-Methyladenosine-Based Epitranscriptomic Mechanism. Chem Res Toxicol. 2021 Jul 19;34(7):1814-1821. doi: 10.1021/acs.chemrestox.1c00206. Epub 2021 Jul 2.
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.