WWC2 and cervical cancer: To explore whether miR-146a-5p mediated WWC2 to affect cervical cancer metastasis, C33A cells overexpressing WWC2 were co-cultured with EVs secreted by the CaSki cells treated with mimic-NC or miR-146a-5p mimic (EV-mimic-NC or EV-miR-146a-5p mimic).