UCA1 and cystadenocarcinoma: Horita et al. found that both UCA1 and Oncolytic Vaccinia Virus (OVV) expressions were upregulated in the serous cystadenocarcinoma PTX-resistant KFTX and KFTXlow cells compared to PTX-sensitive KFlow cells, indicative of UCA1’s ability to promote both PTX resistance and viral replication.