BIRC5 and neoplasm: Meanwhile, the results of HE (hematoxylin‐eosin) and IHC (immunohistochemistry) on the tumor blocks of the experimental and control groups demonstrated that KVN and K14N proteins were effective in reducing Survivin protein expression, similarly, that inhibition of Survivin led to the accumulation of Caspase‐3, which in turn promoted apoptosis.