COL27A1 and breast cancer: The remaining six genes were also reported to be highly associated with milk production: RERE and SLC45A1 are reported to be associated with milk production (Buaban et al., 2022); MTERF3 is associated with milk fatty acid composition (Palombo et al., 2018); KDM4C is associated with breast cancer (Garcia and Lizcano, 2016); RAB11FIP2 is associated with transcytosis (Ducharme et al., 2007); and COL27A1 is associated with the sternum (Maddirevula et al., 2019).