Journal
ACS OMEGA
Volume 4, Issue 19, Pages 18126-18135Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.9b02034
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Funding
- FSHD Global research Foundation
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Dystrophia myotonica type 1 (DM1) results from nuclear sequestration of splicing factors by a messenger RNA (mRNA) harboring a large (CUG)(n) repeat array transcribed from the causal (CTG)(n) DNA amplification. Several compounds were previously shown to bind the (CUG)(n) RNA and release the splicing factors. We now investigated for the first time the interaction of an aliphatic polycarbonate carrying guanidinium functions to DM1 DNA/RNA model probes by affinity capillary electrophoresis. The apparent association constants (K-a) were in the range described for reference compounds such as pentamidine. Further macromolecular engineering could improve association specificity. The polymer presented no toxicity in cell culture at concentrations of 1.6-100.0 mu g/mL as evaluated both by MTT and real-time monitoring xCEL Ligence method. These promising results may lay the foundation for a new branch of potential therapeutic agents for DM1.
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