DNAH8 and hyperinsulinemic hypoglycemia, familial, 4: Boron deficiency might have reduced the acquisition of P and K due to the reduced ATPase activity and/or changes in membrane permeability (Pollard, Parr, & Loughman, 1977; Shorrocks, 1990), which can be rapidly restored by the addition of B (Pollard et al., 1977).