CLCNKA and familial dilated cardiomyopathy: In an expression quantitative trait locus (eQTL) study of DCM, HSPB7 SNPs were associated with expression of both the HSPB7 and the CLCNKA gene (rs945425, HSPB7 expression P = 6.1 × 10–57, CLCNKA expression P = 2.2 × 10–26) [39].