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- Title
Processed short neuropeptide F peptides regulate growth through the ERK-insulin pathway in Drosophila melanogaster
- Authors
Lee, Kyu-Sun; Hong, Seung-Hyun; Kim, Ae-Kyeong; Ju, Sung-Kyu; Kwon, O-Yu; Yu, Kweon
- Abstract
Abstract: The Drosophila sNPF gene regulates growth through the ERK-insulin pathway. sNPF encodes a precursor protein that is processed and produces biologically active sNPF peptides. However, the functions of these peptides are not known. In Drosophila neuronal cells in culture and in flies in vivo, sNPF1 and sNPF2 activated the ERK-insulin pathway and regulated body growth. In addition, the sNPF precursor and the processed sNPF peptide were co-localized in the neurons of the central nervous system. These results indicate that sNPF1 and sNPF2 peptides processed from the sNPF precursor are sufficient for regulating body growth through the ERK-insulin pathway in Drosophila.
- Subjects
NEUROPEPTIDES; DROSOPHILA melanogaster; GROWTH regulators; GENETIC regulation; PROTEIN kinases; INSULIN; CELL culture; CENTRAL nervous system; PHYSIOLOGY
- Publication
FEBS Letters, 2009, Vol 583, Issue 15, p2573
- ISSN
0014-5793
- Publication type
Article
- DOI
10.1016/j.febslet.2009.07.024