Chemical chaperone 4-phenylbutylate reduces mutant protein accumulation in the endoplasmic reticulum of arginine vasopressin neurons in a mouse model for familial neurohypophysial diabetes insipidus.

Abstract excerpt

Familial neurohypophysial diabetes insipidus (FNDI), characterized by progressive polyuria and loss of arginine vasopressin (AVP) neurons, is an autosomal dominant disorder caused by AVP gene mutations. Our previous studies with FNDI model mice demonstrated that mutant proteins accumulated in the endoplasmic reticulum (ER) of AVP neurons. Here, we examined therapeutic effects of the chemical chaperone...

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