FNDC1 was discovered to be a regulator of cardiovascular function and to play a role in the death of cardiomyocytes triggered by hypoxia in 1 study.[13,14] Moreover, FNDC1 has been linked to an increased risk of arterial hypertension according to a quantitative trait loci study.[15] In contrast, the expression of FNDC1 was correlated with tumorigenesis in gastric,[16] breast,[17] and prostate[18] cancers. Here, FNDC1 is linked to cancer.