期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 76, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2022.128989
关键词
Readthrough; Premature termination codon; Nonsense mutation; Guanidine; Myotube
Using small molecules to induce readthrough is an effective method for treating genetic diseases and cancers. This study introduces a series of novel compounds that show potential for inducing readthrough in cells, either as combination therapy or standalone treatment.
Using small molecules to induce readthrough of premature termination codons is a promising therapeutic approach to treating genetic diseases and cancers caused by nonsense mutations, as evidenced by the widespread use of ataluren to treat nonsense mutation Duchene muscular dystrophy. Herein we describe a series of novel guanidino quinazoline and pyrimidine scaffolds that induce readthrough in both HDQ-P1 mammary carcinoma cells and mdx myotubes. Linkage of basic, tertiary amines with aliphatic, hydrophobic substituents to the ter-minal guanidine nitrogen of these scaffolds led to significant potency increases. Further potency gains were achieved by flanking the pyrimidine ring with hydrophobic substituents, inducing readthrough at concentrations as low as 120 nM and demonstrating the potential of these compounds to be used either in combination with ataluren or as stand-alone therapeutics.
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