- Gain-of-function mutation in the KCNMB1 potassium channel subunit is associated with low prevalence of diastolic hypertension. Fernández-Fernández, J.M., Tomás, M., Vázquez, E., Orio, P., Latorre, R., Sentí, M., Marrugat, J., Valverde, M.A. J. Clin. Invest. (2004)