نتایج جستجو برای: chemical chaperone
تعداد نتایج: 390727 فیلتر نتایج به سال:
Wolfram syndrome is an autosomal recessive disorder caused by mutations in WFS1 and is characterized by insulin-dependent diabetes mellitus, optic atrophy, and deafness. To investigate the cause of β-cell failure, we used induced pluripotent stem cells to create insulin-producing cells from individuals with Wolfram syndrome. WFS1-deficient β-cells showed increased levels of endoplasmic reticulu...
At the 2011 Yale Chemical Biology Symposium, Jason Gestwicki presented a novel yet intuitive approach to drug screening. This method, which he termed "gray box" screening, targets protein complexes that have been reconstituted in vitro. Therefore, the gray box screen can achieve greater phenotypic complexity than biochemical assays but avoids the need for target identification that follows cell...
We found that Arabidopsis AtTDX, a heat-stable and plant-specific thioredoxin (Trx)-like protein, exhibits multiple functions, acting as a disulfide reductase, foldase chaperone, and holdase chaperone. The activity of AtTDX, which contains 3 tetratricopeptide repeat (TPR) domains and a Trx motif, depends on its oligomeric status. The disulfide reductase and foldase chaperone functions predomina...
Plasmids that can be used for controlled expression of the DnaK-DnaJ-GrpE and/or GroEL-GroES chaperone team were constructed in order to facilitate assessment of the effects of these chaperone teams on folding or assembly or recombinant proteins in Escherichia coli. A typical pACYC184-based plasmid which was obtained could express the major DnaK-DnaJ-GrpE and GroEL-GroES chaperone teams from se...
Using Langevin dynamics simulations, we investigate the dynamics of chaperone-assisted translocation of a flexible polymer through a nanopore. We find that increasing the binding energy ε between the chaperone and the chain and the chaperone concentration N(c) can greatly improve the translocation probability. Particularly, with increasing the chaperone concentration a maximum translocation pro...
Molecular chaperones are well known as facilitators of protein folding and assembly. However, in recent years multiple chaperone-assisted degradation pathways have also emerged, including CAP (chaperone-assisted proteasomal degradation), CASA (chaperone-assisted selective autophagy), and CMA (chaperone-mediated autophagy). Within these pathways chaperones facilitate the sorting of non-native pr...
Flux measurements in the near surface layer over a non-uniform crop surface in China Z. Gao, L. Bian, and S. Liu Chinese Academy of Meteorological Science, Beijing, China State Key Laboratory of Remote Sensing Science, School of Geography, Beijing Normal University, Beijing, China Jiangsu Province Key Laboratory of Meteorological Disaster and Environmental Variation, Nanjing, China Received: 2 ...
Skeletal muscle may develop adaptive chaperone and enhancementdefense system through daily exercisestimulation. The present study investigated resistance and exhaustion training alters the expression of chaperoneproteins. These proteins function to maintain homeostasis, facilitate repair from injury and provide protection. Exercise-induced production of HSPs in skeletal muscle and peripheral le...
Background: Human Cu/Zn superoxide dismutase (hSOD1) is an antioxidant enzyme with potential as a therapeutic agent. However, heterologous expression of hSOD1 has remained an issue due to Cu2+ insufficiency at protein active site, leading to low solubility and enzymatic activity.Objectives:The effect of co-expressed human copper chaperone (hCCS) to enhance the solubility and enzymatic act...
Skeletal muscle may develop adaptive chaperone and enhancementdefense system through daily exercisestimulation. The present study investigated resistance and exhaustion training alters the expression of chaperoneproteins. These proteins function to maintain homeostasis, facilitate repair from injury and provide protection. Exercise-induced production of HSPs in skeletal muscle and peripheral le...
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