Interestingly unlike PLA2G6, group IVA PLA2 or group VIB iPLA2 (iPLA2γ) are not included in human GWAS data on obesity/adiposity and blood lipids as discussed above [14,81,82,83,84,85,86,87,88,89]. This evidence concerns the gene PLA2G1B and obesity due to melanocortin 4 receptor deficiency.