
Syncytiotrophoblasts arise from the fusion of cytotrophoblasts, a process regulated by cyclic nucleotide signaling. Syncytiotrophoblasts express transporters, including the multidrug resistance-associated proteins (MRP) 1, 3, and 5, which regulate the intracellular concentration of cyclic nucleotides through active efflux. Understanding the interplay of cyclic nucleotides, efflux transporters, and syncytialization is important because aberrant cytotrophoblast functioning […]