LYPD1 and ovarian cancer: PAX8 occupies an intragenic enhancer in the LYPD1 gene locus for LYPD1-expressing ovarian cancer cell lines OVCAR3, KURAMOCHI, and COV318 but not OVCAR4 (Fig. 1C), suggesting that PAX8 might contribute to the transcriptional regulation of LYPD1 expression.