DDX4 and cancer: However, with respect to other studies exploring the molecular aspects of stromal cells within the OC microenvironment, it seems that ML-Ddx4+ cells surrounding OC cells are different from the cancer associated mesenchymal stem cells (CA-MSCs) in relation to a separate gene expression profile of these cells [26], as well as to the diverse transcriptomic modifications induced by CA-MSCs or ML-Ddx4+ cells in OC cells [49].