CTSB and oculopharyngeal muscular dystrophy: Vitamin C, L-fructose, CYFRA21-1, β2-microglobulin, Cathepsin B and the expression of many genes coding for different proteins involved in different functions have also been reported to be altered in OSCC and OPMD patients [59,60,61,62,63,64,65,66,67] (Supplementary Table S2).