Cover design The cover of Molecular Human Reproduction shows the expression of cystic fibrosis transmembrane conductance regulator (CFTR) protein during early human embryo development. Immunocytochemistry showed that CFTR protein was present from the 8-cell stage (top left), continued through the cavitating morula stage (middle right) and was predominantly localized to membrane compartments of the expanded blastocyst (bottom right). DAP1 staining of an unfertilized oocyte (bottom left), a 4-cell embryo (middle left) and an 8-16-cell embryo (top right) is also shown. CFTR may be important for ion transport during blastocoele cavity formation. For further details, please see 758-764.
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