A Human-Specific Deletion in Mouse Cmah Increases Disease Severity in the mdx Model of Duchenne Muscular Dystrophy

Abstract excerpt

During the evolution of humans, an inactivating deletion was introduced in the CMAH (cytidine monophosphate-sialic acid hydroxylase) gene, which eliminated biosynthesis of the common mammalian sialic acid N-glycolylneuraminic acid from all human cells. We found that this human-specific change in sialylation capacity contributes to the marked discrepancy in phenotype between the mdx mouse model for Duchenne...

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