SLC2A5 and breast cancer: Research has underscored GLUT5’s crucial involvement in BC’s fructose-mediated development and metastasis, documenting its high expression levels in BC cell lines and tissues, in contrast to its low presence in the normal mammary epithelium (Zamora-León et al. 1996; Fan et al. 2017; Godoy et al. 2006; Hamann et al. 2018; Wuest et al. 2018) (Table 1).