Figure 1From: Expression of connexins in human preimplantation embryos in vitroPCR amplification of Cx26, Cx31, Cx32, Cx40, Cx43 and Cx45 from cDNAs amplified from three individual embryos (1,2,3) at the pronucleate (PN), 2-cell (2C), 4-cell (4C), 8-cell (8C), and blastocyst stages of development. N denotes negative control; P denotes positive control.Back to article page