In addition, the only Kv10.1-specific toxin, k-Hefutoxin 1 from Heterometrus fulvipes scorpion venom (Moreels et al., 2017), might be useful in the context of cancer therapy, but to our knowledge no attempts have been made so far to test its in vitro and in vivo effects (Díaz-García and Varela, 2020). Here, KCNH1 is linked to cancer.