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Mech Dev. 2002 Sep;117(1-2):343-6.

Cloning and expression of Drosophila SOCS36E and its potential regulation by the JAK/STAT pathway.

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Department of Molecular Developmental Biology, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany.


The suppressor of cytokine signalling (SOCS) gene family was originally identified as an immediate early response to cytokine signalling and function as negative regulators of the Janus kinase (JAK)/signal tranducers and activators of transcription (STAT) signal transduction pathway [Krebs and Hilton, J. Cell Sci. 113 (2000) 2813; Starr and Hilton, Int. J. Biochem. Cell Biol. 30 (1998) 1081]. Although key components of the Drosophila JAK/STAT pathway have been identified [Brown et al., Curr. Biol. 11 (2001) 1700, reviewed in Zeidler et al., Oncogene 19 (2000) 2598], regulators of the pathway, and SOCS genes in particular, have not yet been characterised. Here we report the cloning of Drosophila SOCS36E and show its expression pattern during embryonic and imaginal disc development. SOCS36E is expressed in an essentially identical pattern to the Drosophila JAK/STAT pathway ligand unpaired (Upd). It is not expressed in upd mutant embryos and is upregulated in response to ectopic activation of the pathway during both embryonic and imaginal development.

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