Given also the association in Europeans with serum urate of the A1CF gene [9], which encodes a complementation factor for the apolipoprotein B mRNA-editing enzyme catalytic polypeptide 1 [16], we tested the hypothesis that apo B is associated with HU by comparing total serum apo B levels between NU and combined HU/gout groups (Table 5). Here, APOB is linked to gout.