In order to further explore the regulatory mechanism of ML323/USP1 in ovarian cancer, we downloaded 74 ovarian cancer cell lines with averaged USP1 expression, 789 ovarian cancer cell lines with CRISPR-treated dependency index of the USP1 gene, and 712 ovarian cancer cell lines with RNAi-treated dependency index of the USP1 gene from the Depmap database (https://depmap.org/portal/). Here, USP1 is linked to ovarian cancer.