AN3 CA is a human endometrial adenocarcinoma cell line widely used as a model for endometrial cancer research. These adherent epithelial cells exhibit robust growth and are commonly employed to study tumor biology, hormone signaling, cell proliferation, apoptosis, and drug response. AN3 CA cells are frequently used in preclinical oncology research, mechanistic studies, and high-throughput compound screening to investigate endometrial cancer progression and therapeutic targets.