MMP2 and renal cell carcinoma: Based on the following three groups: FCRLA/NC + MMP2/NC, FCRLA/KD + MMP2/NC, and FCRLA/KD + MMP2/overexpressed (OE) (Figure 7C), the results demonstrated that overexpressing MMP2 in FCRLA‐KD RCC cells could partially reverse the inhibition of cell proliferation.