NRBP1 and gout: Furthermore, both normalized RNA level (gout versus control 1.425 ± 0.0656 versus 1.185 ± 0.0432 (mean ± SEM); P value = 0.004) and protein level of NRBP1 in PBMCs were found to be significantly elevated in gout patients (Fig. 2), indicating that NRBP1 may be a gout risk gene.