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Data suggest that up-regulation of SHC threonine phosphorylation is responsible for elevated Akt-signaling and Erk-signaling in triple-negative breast cancer cell lines.
Characterization of bioenergetic parameters and reactive oxygen species production showed that the cellular model of Leigh syndrome is described by increased intracellular oxidative stress and oxidative damage to DNA and proteins, which correlate with increased p66Shc phosphorylation at Ser36.
A positive relationship between the p66Shc expression and oxidative stress was found. p66Shc and oxidative stress were significant predictors of the degree of tubular damage.
Adeno-X Adenoviral System 3 can be used to efficiently construct recombinant adenovirus containing p66Shc gene, and the Adeno-X can inhibit the proliferation of MCF-7 cells by inducing cell cycle arrest at the G2/M phase
STAT4 is a novel transcriptional regulator of p66Shc in normal and chronic lymphocytic leukemia B cells
Isoform b of DDR1 is responsible for collagen I-induced up-regulation of N-cadherin and tyrosine 513 of DDR1b is necessary.
NIC exacerbated AZA-dependent injury via augmenting p66shc transcription. While RES suppressed NIC+AZA-mediated injury, -surprisingly-it further enhanced activity of the p66shc promoter. RES protected cells via the cytoplasmic p66shc/Nrf2/heme oxygenase-1 (HO-1) axis
The results show that the interaction between STS-1 and ShcA is regulated in response to EGF receptor activation.
Nox4-derived H2O2 in part activates Nox2 to increase mitochondrial ROS via pSer36-p66Shc, thereby enhancing VEGFR2 signaling and angiogenesis in endothelial cells.
Taken together, these data argue for a complex mechanism of PKC-beta-dependent regulation of SHCA (p66) activation involving Ser(139) and a motif surrounding Ser(213).
Data identify, for the first time, a novel non-canonical dynamic mode of interaction between Met and the p66 protein isoform of Shc and its effects on rewiring binding effector complexes according to the activation state of the receptor.
regulates the alternative splicing of XAF1 in extracellular matrix-detachment induced autophagy to coordinate with the anoikic cell death
The silence of p66(Shc) in HCT8 cells reduced the proliferation and accelerated the apoptosis, in addition, the expression of pro-apoptotic proteins caspase-3, caspase-9, Bax was enhanced and the expression of anti-apoptotic protein Bcl-2 was declined.
In mice and humans, reduced p66Shc levels protect from obesity, but not from ectopic fat accumulation, glucose intolerance and insulin resistance.
Data suggest SHC1 (SH2 domain protein C1) expression down-regulates epithelial-mesenchymal transition by repressing TGFB-induced SMAD2/3 activation through differential partitioning of receptors at cell surface of mammocytes/keratinocytes.
p66shc expression in coronary heart disease patients was significantly higher compared with the control group
Finally, a crystal structure of EGFR in complex with a primed Shc1 peptide reveals the structural basis for EGFR substrate specificity.
p53-dependent augmentation of p66(Shc) expression and function represents a key signalling response contributing to beta cell apoptosis under conditions of lipotoxicity
Data show that ouabain-induced glioblastoma cells apoptosis and increased reactive oxygen species (ROS) generation in extracellular signal-related kinases ERK1/2-Shc signaling adaptor protein p66SHC-dependent pathway.
Results show elevated level of p66Shc protein reveal in ovarian cancer cells (OCa) indicating a functional role of the protein in regulating the proliferation of OCa cells.
Data show that adaptor protein Shc is required for angiogenesis in zebrafish (accession number LOC563639), mice, and human vascular endothelial cell-culture models.
ShcA is required for Wnt-5a/Ror2 mediated upregulation of xPAPC, which demonstrates the functional relevance of this interaction.
The p66(Shc) adaptor protein controls oxidative stress response in early bovine embryos.
Studied p66Shc levels, redox state, and developmental potential in early bovine embryos. p66Shc content was increased by either high (20%) O(2) culture or H(2)O(2) treatment, and significantly dec'd by antioxidant polyethylene glycol-conjugated catalase.
p66shc, but not p53, is significantly more abundant in an embryo population that exhibits higher frequencies of embryo arrest.
p66Shc is involved in the regulation of embryo development specifically in mediating early cleavage arrest and facilitating development to the blastocyst stage for in vitro produced bovine embryos
These results support a model in which Shc orchestrates signals from cell-cell and cell-matrix adhesions to elicit flow-induced inflammatory signaling.
Study in MMTV/MT6 and MMTV/NIC breast cancer mouse models show that ShcA phosphotyrosine motifs potentiate immune suppression by limiting signal transducer and activator of transcription (STAT)-1-driven anti-tumour immunity, while simultaneously increasing STAT3 immunosuppressive signals.
Sirt3 modulates age-associated mitochondrial biology and function via lysine deacetylation of target proteins, and authors show that its regulation depends on its nitration status and is benefited by the improved NAD(+)/NADH ratio in aged p66(Shc(-/-)) brain mitochondria.
miR-200c might be responsible for muscle wasting and myotube loss, most probably via a p66Shc-dependent mechanism in a pathological disease such as Duchenne muscular dystrophy.
Data show that 66-kDa Src homology 2 domain-containing protein (p66Shc) is acetylated under high glucose conditions and is deacetylated by Sirtuin1 lysine deacetylase (Sirt1) on lysine 81.
a pivotal role for p66(shc) -induced vascular dysfunction in a common pathogenic cascade shared by noise-induced and age-related hearing loss, is reported.
P66Shc, a key regulator of metabolism and mitochondrial ROS production, is dysregulated by mouse embryo culture
The results indicate that Shc proteins should be considered as potential targets for developing interventions to mitigate weight gain on high-fat diet by stimulating energy expenditure.
Hyperglycemia and elevated free fatty acids in the diabetic milieu recruit p66Shc to upregulate endothelial miR-34a via an oxidant-sensitive mechanism, which leads to endothelial dysfunction by targeting Sirt1.
p66SHC-mediated oxidative stress and telomere shortening synergize in some tissues (including testes) to accelerate aging.
Taken together, these data argue for a complex mechanism of PKCbeta-dependent regulation of p66 activation involving Ser(139) and a motif surrounding Ser(213).
JNK1/2-dependent regulation of p66ShcS36 phosphorylation, is reported.
Data show that the major mitochondrial partner of Shc adaptor protein p46Shc is the lipid oxidation enzyme 3-ketoacylCoA thiolase ACAA2, to which p46Shc binds directly and with a strong affinity.
Results show that genetic deletion of p66(Shc) increased susceptibility to myocardial injury in response to short-term ischaemia and reperfusion in mice
myocardial infarction transiently induced expression and phosphorylation of cardiac p66ShcA in mice
Silencing of p66(Shc) restored insulin response via IRS-1/Akt/eNOS pathway. Its knockdown in endothelial cells from Ob/Ob mice lessened ROS production, FFA oxidation, and dysregulation of redox-sensitive pathways.
These data identify multiple modes by which ShcA can fine-tune the development of early thymocytes, including a previously unappreciated ShcA-c-Abl axis that regulates thymocyte proliferation.
PKCbeta2 inhibition protects mice from gut ischemia-reperfusion injury by suppressing the adaptor p66(Shc)-mediated oxidative stress and subsequent apoptosis.
Endothelial function in cerebral arteries is heavily impaired by aging and is partly mediated by the p66Shc gene.
This gene encodes three main isoforms that differ in activities and subcellular location. While all three are adapter proteins in signal transduction pathways, the longest (p66Shc) may be involved in regulating life span and the effects of reactive oxygen species. The other two isoforms, p52Shc and p46Shc, link activated receptor tyrosine kinases to the Ras pathway by recruitment of the GRB2/SOS complex. p66Shc is not involved in Ras activation. Unlike the other two isoforms, p46Shc is targeted to the mitochondrial matrix. Several transcript variants encoding different isoforms have been found for this gene.
SHC (Src homology 2 domain containing) transforming protein 1
, Sporulation-specific activator of Chs3p (chitin synthase III), required for the synthesis of the chitosan layer of ascospores; has similarity to Skt5p, which activates Chs3p during vegetative growth; transcriptionally induced at alkaline pH
, squalene--hopene cyclase
, SH2 domain protein C1
, SHC-transforming protein 1
, src homology 2 domain-containing-transforming protein C1
, SHC-transforming protein 1-like
, SHC (Src homology 2 domain-containing) transforming protein 1
, SHC-transforming protein 3
, SHC-transforming protein A
, src homology 2 domain-containing transforming protein C1
, src homology collagen
, adaptor protein SHC