The protein arginine methyltransferase PRMT5 confers therapeutic resistance to mTOR inhibition in glioblastoma.
Brent HolmesAngelica Benavides-SerratoJacquelyn T SaundersKenna A LandonAdam J SchreckRobert N NishimuraJoseph F GeraPublished in: Journal of neuro-oncology (2019)
These results demonstrate that PRMT5 activity is stimulated upon mTOR inhibition in GBM. Our data further support a signaling cascade in which PRMT5-mediated methylation of hnRNP A1 promotes IRES RNA binding and activation of IRES-mediated protein synthesis and resultant mTOR inhibitor resistance.