OBJECTIVES: I. Determine whether diverse mutations of the vasopressin-neurophysin II (AVP-NPII) gene cause autosomal dominant familial neurohypophyseal diabetes insipidus by directing the production of an abnormal preprohormone. II. Determine whether the AVP-NPII gene-directed preprohormone accumulates and destroys magnocellular neurons because it cannot be folded and processed efficiently.
Age range
6 Months – 70 Years
Sex
ALL
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