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Updated: Aug 16, 2025

A Method for Measuring RNA N6-methyladenosine Modifications in Cells and Tissues
Published on: December 5, 2016
Peptides Targeting RNA m6 A Methylations Influence the Viability of Cancer Cells
Rushdhi Rauff1, Sudeshi M Abedeera1, Stefani Schmocker1
1Department of Chemistry and Biochemistry, Kent State University, 1175 Risman Drive, Kent, OH 44242, USA.
Abstract:
N6-methyladenosine (m6 A) is the most abundant nucleotide modification observed in eukaryotic mRNA. Changes in m6 A levels in transcriptome are tightly correlated to expression levels of m6 A methyltransferases and demethylases. Abnormal expression levels of methyltransferases and demethylases are observed in various diseases and health conditions such as cancer, male infertility, and obesity. This research explores the efficacy of m6 A-modified RNA as an anticancer drug target. We discovered a 12-mer peptide that binds specifically to m6 A-modified RNA using phage display experiments. Our fluorescence-based assays illustrate the selected peptide binds to methylated RNA with lower micromolar affinity and inhibit the binding of protein FTO, a demethylase enzyme specific to m6 A modification. When cancer cell lines were treated with mtp1, it led to an increase in m6 A levels and a decrease in cell viability. Hence our results illustrate the potential of mtp1 to be developed as a drug for cancer.
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