The cover image shows Induction of syncytiotrophoblast formation by calcitonin gene-related peptide (CGRP). Purified isolated cytotrophoblasts from normal term placentas were cultured for 24, 48 and 72 h in the absence (A1, A2 and A3) or presence of CGRP (1 × 10–8 M) (B1, B2 and B3). The cells were fixed and immunostained with antidesmosomal monoclonal antibody and counterstained with 4′,6-diamidino-2-phenylindole as described in
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