Data from immunofluorescence studies showed that dihomo-γ-linolenic acid supplementation increased the expression of MMP-2 (a marker for tumor metastasis) in delta-5-desaturase-WT tumors, while significantly decreasing MMP-2 expression in delta-5-desaturase-KD tumors (Fig. 6a and b). Here, MMP2 is linked to neoplasm.