Hypertension Due to Gain-of-Function Mutations in the Mineralocorticoid Receptor, also known as pseudohyperaldosteronism type 2, is related to hypertension, early-onset, autosomal dominant, with severe exacerbation in pregnancy. An important gene associated with Hypertension Due to Gain-of-Function Mutations in the Mineralocorticoid Receptor is NR3C2 (Nuclear Receptor Subfamily 3 Group C Member 2).