Exogenously added Gal-8 has been shown to promote cell proliferation in various contexts, including glioblastoma cells (Metz et al. 2016), keratinocytes (Lo et al. 2021), T cells (Cattaneo et al. 2011) and MDCK cells (Oyanadel et al. 2018). Here, LGALS8 is linked to glioblastoma.