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- _5 label "Selventa" provenance.
- large_corpus.bel rights "Copyright (c) 2011-2012, Selventa. All rights reserved." provenance.
- _4 value "We generated transgenic mice that overexpress the human disease-associated K8 Gly61-to-Cys (G61C) variant and showed that G61C predisposes to liver injury and apoptosis and dramatically inhibits K8 phosphorylation at serine 73 (S73) via stress-activated kinases. This led us to generate mice that overexpress K8 S73-to-Ala (S73A), which mimicked the susceptibility of K8 G61C mice to injury, thereby providing a molecular link between K8 phosphorylation and disease-associated mutation. Upon apoptotic stimulation, G61C and S73A hepatocytes have persistent and increased nonkeratin proapoptotic substrate phosphorylation by stress-activated kinases, compared with wild-type hepatocytes, in association with an inability to phosphorylate K8 S73. Our findings provide the first direct link between patient-related human keratin variants and liver disease predisposition. The highly abundant cytoskeletal protein K8, and possibly other keratins with the conserved S73-containing phosphoepitope, can protect tissue from injury by serving as a phosphate \"sponge\" for stress-activated kinases and thereby provide a novel nonmechanical function for intermediate filament proteins." provenance.
- _4 wasQuotedFrom 16818723 provenance.
- assertion hadPrimarySource 16818723 provenance.
- large_corpus.bel title "BEL Framework Large Corpus Document" provenance.
- large_corpus.bel description "Approximately 61,000 statements." provenance.
- assertion wasDerivedFrom large_corpus.bel provenance.
- assertion wasDerivedFrom _4 provenance.
- large_corpus.bel authoredBy _5 provenance.
- large_corpus.bel version "1.4" provenance.