Proteomic analysis of the SIRT6 interactome: novel links to genome maintenance and cellular stress signaling
Copyright policy )Proteomic analysis of the SIRT6 interactome: novel links to genome maintenance and cellular stress signaling
AbstractThe chromatin regulatory factor SIRT6 plays pivotal roles in metabolism, tumor suppression, and aging biology. Despite the fundamental roles of SIRT6 in physiology and disease, only a handful of molecular and functional interactions of SIRT6 have been reported. Here, we characterize the SIRT6 interactome and identify 80+ novel SIRT6-interacting proteins. The discovery of these SIRT6-associations considerably expands knowledge of the SIRT6 interaction network, and suggests previously unknown functional interactions of SIRT6 in fundamental cellular processes. These include chromatin remodeling, mitotic chromosome segregation, protein homeostasis, and transcriptional elongation. Extended analysis of the SIRT6 interaction with G3BP1, a master stress response factor, uncovers an unexpected role and mechanism of SIRT6 in regulating stress granule assembly and cellular stress resistance.
- Stanford University United States
- Roma Tre University Italy
- Sapienza University of Rome Italy
- University of Pennsylvania United States
- VA Palo Alto Health Care System United States
Proteomics, chromatin; protein-protein interaction networks, DNA Helicases, Cell Cycle Proteins, Article, Mice, HEK293 Cells, RNA Recognition Motif Proteins, Cell Line, Tumor, Animals, Humans, Sirtuins, RNA Interference, Protein Interaction Maps, RNA, Small Interfering, Carrier Proteins, Poly-ADP-Ribose Binding Proteins, Ubiquitin Thiolesterase, RNA Helicases, HeLa Cells, Protein Binding, Signal Transduction
Proteomics, chromatin; protein-protein interaction networks, DNA Helicases, Cell Cycle Proteins, Article, Mice, HEK293 Cells, RNA Recognition Motif Proteins, Cell Line, Tumor, Animals, Humans, Sirtuins, RNA Interference, Protein Interaction Maps, RNA, Small Interfering, Carrier Proteins, Poly-ADP-Ribose Binding Proteins, Ubiquitin Thiolesterase, RNA Helicases, HeLa Cells, Protein Binding, Signal Transduction
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