MMP9 and colorectal carcinoma: Indeed, we were able to show that the increased invasive properties of NCLX KO CRC cells were associated with increased MMP1, MMP2, and MMP9 activities, which are known to be regulated by HIF1α (Ben-Yosef et al., 2002; Choudhry and Harris, 2018; Muñoz-Nájar et al., 2006; Shin et al., 2015; Tsai et al., 2016).