PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17092951-0 2006 Threshold response of C15 to the Dpp gradient in Drosophila is established by the cumulative effect of Smad and Zen activators and negative cues. dipalmitoylphosphatidylserine 33-36 C15 Drosophila melanogaster 22-25 17092951-4 2006 We analyzed the regulation of the C15 gene, which can be activated in cells containing intermediate levels of Dpp. dipalmitoylphosphatidylserine 110-113 C15 Drosophila melanogaster 34-37 17092951-5 2006 We show that C15 expression requires both dpp and zen, thus forming a genetic feed-forward loop. dipalmitoylphosphatidylserine 42-45 C15 Drosophila melanogaster 13-16