Mechanism of Crosstalk between m6A Modification and Epigenetic Regulation
Crosstalk ID
M6ACROT00439
[1], [2], [3], [4]
m6A modification NEAT1 NEAT1 ALKBH5 Demethylation : m6A sites Indirect Enhancement RNA modification MIR214 MIR214 ADARB1 Methylation : modification sites
m6A Modification:
m6A Regulator RNA demethylase ALKBH5 (ALKBH5) ERASER
m6A Target Nuclear paraspeckle assembly transcript 1 (NEAT1)
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 214 (MIR214) View Details
Crosstalk Relationship m6A  →  A-to-I Enhancement
Crosstalk Mechanism m6A modification indirectly impacts RNA modification through downstream signaling pathways
Crosstalk Summary ALKBH5 interacts with Nuclear paraspeckle assembly transcript 1 (NEAT1), increasing its m6A level and promoting its physical interaction with MicroRNA 214 (MIR214), which was regulated by ADARB1-mediated A-to-I modification.
In-vitro Model
BGC-823 Gastric carcinoma Homo sapiens CVCL_3360
SGC-7901 Gastric carcinoma Homo sapiens CVCL_0520
SW620 Colon adenocarcinoma Homo sapiens CVCL_0547
RKO Colon carcinoma Homo sapiens CVCL_0504
Huh-7 Adult hepatocellular carcinoma Homo sapiens CVCL_0336
References
Ref 1 ALKBH5 promotes invasion and metastasis of gastric cancer by decreasing methylation of the lncRNA NEAT1. J Physiol Biochem. 2019 Aug;75(3):379-389. doi: 10.1007/s13105-019-00690-8. Epub 2019 Jul 9.
Ref 2 ALKBH5 promotes colon cancer progression by decreasing methylation of the lncRNA NEAT1. Am J Transl Res. 2020 Aug 15;12(8):4542-4549. eCollection 2020.
Ref 3 ADAR2-mediated editing of miR-214 and miR-122 precursor and antisense RNA transcripts in liver cancers. PLoS One. 2013 Dec 27;8(12):e81922. doi: 10.1371/journal.pone.0081922. eCollection 2013.
Ref 4 LncRNA NEAT1 sponges miR-214 to regulate M2 macrophage polarization by regulation of B7-H3 in multiple myeloma. Mol Immunol. 2020 Jan;117:20-28. doi: 10.1016/j.molimm.2019.10.026. Epub 2019 Nov 12.