Northern blot analysis of CAT, VE-cadherin, and GAPDH mRNA in adult transgenic tissues. RNA from wild-type lung (1) and transgenic heart (2), lung (3), brain (4), liver (5), kidney (6), and thymus (7) were hybridized to CAT (A), VE-cadherin (B), and GAPDH (C) probes. Similar expression profiles could be observed between CAT and VE-cadherin in transgenic tissues.