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Updated: Jan 14, 2026

Modeling Myotonic Dystrophy 1 in C2C12 Myoblast Cells
Published on: July 29, 2016
Synthesis of Janus Bases for Targeting C‑G and U-U Pairs of CUG-RNA Repeats Associated with Myotonic Dystrophy Type 1
Shivaji A Thadke1, J Dinithi R Perera1, Savani W Thrikawala1
1Department of Chemistry and Institute for Bimolecular Design and Discovery (IBD), Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States.
Abstract:
We report the synthesis of bifacial Janus bases E and K, along with their corresponding γ peptide nucleic acid monomers, designed to recognize C-G and U-U pairs within CUG-RNA repeats implicated in Myotonic Dystrophy Type 1. This study establishes the foundation for a fully programmable system of 16 Janus bases capable of recognizing all possible RNA base-pairsboth canonical and noncanonicalallowing precise manipulation of RNA structure and function. Importantly, beyond targeting CUG-repeats, this system holds a potential promise for addressing other triplet repeat expansions linked to over 35 neuromuscular and neurodegenerative disorders, thereby opening up new avenues for therapeutic intervention.
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