In fact, PIK3R1 from our list serves to be the regulatory subunit 1 of the enzyme Phosphoinositide-3-Kinase, the catalytic subunit of which has been reported to be important for breast cancer along with a k-15, R6 list holder, Fms-Like Tyrosine Kinase (FLT1) gene27. Here, PIK3R1 is linked to breast carcinoma.