GAPDH and neoplasm: The tissue was stained with a primary rabbit anti-human polyclonal antibody against glyceraldehyde-3-phosphate dehydrogenase (GAPDH), which functions as a housekeeping protein in glycolysis and is associated with tumour development due to the activation of cell proliferation and inflammation52,53, and it was also stained with a secondary goat anti-rabbit antibody conjugated with AF488.