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. 1998 Dec 14;143(6):1725–1734. doi: 10.1083/jcb.143.6.1725

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Increased α₁ connexin gap junction plaques in the CMV43 crest cells. Immunostaining with a α₁ connexin antibody revealed increased α₁ connexin expression in the homozygous CMV43 neural crest outgrowth (B) as compared with neural crest cells from nontransgenic embryos (A). The punctate pattern of immunostaining is consistent with the localization α₁ connexins in gap junction plaques. In the control nontransgenic neural crest outgrowths, very small punctate immunostaining can be observed, although this is hard to record photographically.