POU5F1 and neoplasm: Heat-stable antigen CD24, a transmembrane adhesion moleculeActivates JAK/STAT3 signaling pathways and NANOG and OCT4 expressionThrough stimulation of PI3K/AKT/MAPK pathway is able to stimulate EMTStimulates stemness, tumor growth, and chemoresistanceCD24+ cells form spheroid structuresExosomes present in ascites contain CD24 and EpCAM, which regulate signals between OCSCs and TME