7 Siggs Siggs OM OM Stockenhuber Stockenhuber A A Deobagkar-Lele Deobagkar-Lele M M Bull Bull KR KR Crockford Crockford TL TL Kingston Kingston BL BL et al et al Mutation of Fnip1 is Associated with B-Cell Deficiency, Cardiomyopathy, and Elevated Ampk Activity Mutation of Fnip1 is Associated with B-Cell Deficiency, Cardiomyopathy, and Elevated Ampk Activity Proc Natl Acad Sci USA Proc Natl Acad Sci USA 2016 2016 113 113 26 26 3706 3706 3715 3715 10.1073/pnas.1607592113 10.1073/pnas.1607592113. The gene discussed is FNIP1; the disease is B cell deficiency.