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Effect Of Hybrid/Complex N-Glycosylation On Cardiac Voltage-Gated Ion Channel Expression, Austin R. Parrish
Effect Of Hybrid/Complex N-Glycosylation On Cardiac Voltage-Gated Ion Channel Expression, Austin R. Parrish
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Dilated cardiomyopathy (DCM) is one the most common forms of heart failure, with the majority of cases being idiopathic. Dr. Bennett’s laboratory previously showed that deletion of the Mgat1 gene in cardiomyocytes only (Mgat1KO) is sufficient to cause DCM leading to heart failure and early death. The Mgat1 gene product, GlcNAcT1, is responsible for initiating the formation of hybrid/complex N-glycosylation. These data suggest a link between abnormal glycosylation and heart disease; however, there is a mystery of how the specific changes in glycosylation contribute to heart disease etiology and progression. The proper function and gating of voltage-gated Na+ channels (Nav) …