PTGR1 and lobular neoplasia: The FPR2, IL18R1, ITGAM and NCF4 genes were also differentially expressed in the myeloid lineage from paediatric patients with LN,43 genes such as the MDP1, PTGR1 and MX2 were also differentially expressed within the kidneys from LN patients, as assessed by microarrays44 and genes such as the TMEM167A, TNFAIP8 and VCAM1 were also differentially expressed in kidney tubular cells from LN patients.38