کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5893851 | 1153948 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Unphosphorylated STATs go nuclear
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موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شناسی تکاملی
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چکیده انگلیسی
The JAK/STAT signal transduction pathway has traditionally been viewed as a cytokine-stimulated activator of gene expression consisting of a straightforward receptor/JAK kinase/STAT transcription factor cascade. Recent studies in Drosophila, have, however consistently identified a range of chromatin-remodelling factors as regulators of in vivo JAK/STAT signalling. Now, the detailed analysis of one of these, heterochromatin protein 1 (HP1), has provided an insight into an unexpected non-canonical in vivo role for STAT. In this model, unphosphorylated STATs associate with and maintain the stability of transcriptionally repressed heterochromatin - an effect countered by the recruitment of STAT to the canonical pathway. We examine the background of this new model and its implications for JAK/STAT pathway requirements in stem cell maintenance and cancer.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Current Opinion in Genetics & Development - Volume 18, Issue 5, October 2008, Pages 455-460
Journal: Current Opinion in Genetics & Development - Volume 18, Issue 5, October 2008, Pages 455-460
نویسندگان
Stephen Brown, Martin P Zeidler,