CKS2 and breast cancer: Furthermore, the IHC results obtained from the Human Protein Atlas database (HPA, https://www.proteinatlas.org/ (accessed on 25 March 2023)) also indicated that the expression of CKS2, UHRF1, and DLGAP5 was higher in BC tissues than in normal breast tissues (Supplementary Figure S1I–K and Figure 3C).