Foxc2 and NFATAc1 at Work (image) Rockefeller University Press Caption Normal valve-containing lymph vessels (left) fail to form in mice that lack Foxc2 and NFATc1 (right). The study by Norrmén et al. suggests that these two transcription factors direct the building of mature lymph-collecting vessels by coming together to regulate target gene loci. Credit Norrmén, C., et al. 2009. J. Cell Biol. doi:10.1083/jcb.200901104. Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.