LCN2 and glaucoma: Several reports of whole transcriptome analyses in rodent glaucoma models have revealed that Lcn2 is upregulated in glaucomatous retinae (Fischer et al., 2004; Steele et al., 2006; Yang et al., 2007; Panagis et al., 2010; Guo et al., 2011; Yasuda et al., 2016; Ueno et al., 2018).