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. 2020 Apr 30;10(5):697. doi: 10.3390/biom10050697

Figure 8.

Figure 8

The bell-shaped role of CBS expression and H2S biosynthesis in the regulation of cell viability in health and disease. CBS inhibition can impair cancer cell viability by reducing the formation of H2S which the cancer cells use as a cytoprotective factor and bioenergetic “fuel”. CBS inhibition can also improve cell viability, for instance in Down syndrome, by normalizing the toxic overproduction of H2S.