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Chapter
Up and Down Regulation of the Stress Response by the Co-Chaperone Ubiquitin Ligase CHIP
Following exposure to environmental insults, the cells in most tissues dramatically increase the production of a group of proteins that are collectively known as “heat shock” or stress proteins (Parsell and Lindq...
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Article
CHIP-mediated stress recovery by sequential ubiquitination of substrates and Hsp70
CHIP — a co-chaperone/ubiquitin ligase — not only targets chaperone substrates for degradation, but mediates Hsp70 turnover after misfolded substrates have been depleted. The sequential catalysis of the CHIP-a...
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Protocol
Cystic Fibrosis Transmembrane Conductance Regulator as a Model Substrate to Study Endoplasmic Reticulum Protein Quality Control in Mammalian Cells
Components of the ubiquitin-proteasome system function on the surface of the endoplasmic reticulum (ER) to select misfolded proteins for degradation. Herein we describe methods that allow for the study of the ...
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Article
Shear Stress Reduces Protease Activated Receptor-1 Expression in Human Endothelial Cells
Shear stress has been shown to regulate several genes involved in the thrombotic and proliferative functions of endothelial cells. Thrombin receptor (protease-activated receptor-1: PAR-1) increases at sites of...
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Article
The co-chaperone CHIP regulates protein triage decisions mediated by heat-shock proteins
To maintain quality control in cells, mechanisms distinguish among improperly folded peptides, mature and functional proteins, and proteins to be targeted for degradation. The molecular chaperones, including h...
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Article
The Hsc70 co-chaperone CHIP targets immature CFTR for proteasomal degradation
The folding of both wild-type and mutant forms of the cystic-fibrosis transmembrane-conductance regulator (CFTR), a plasma-membrane chloride-ion channel, is inefficient1,2,3,4. Most nascent CFTR is retained in th...
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Article
Angiotensin II induces gene transcription through cell-type-dependent effects on the nuclear factor-κB (NF-κB) transcription factor
The vasopressor octapeptide, angiotensin II (Ang II), exerts homeostatic responses in cardiovascular tissues, including the heart, blood vessel wall, adrenal cortex and liver (a major source of circulating pla...
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Chapter
Angiotensin II induces gene transcription through cell-type-dependent effects on the nuclear factor-кB (NF-кB) transcription factor
The vasopressor octapeptide, angiotensin II (Ang II), exerts homeostatic responses in cardiovascular tissues, including the heart, blood vessel wall, adrenal cortex and liver (a major source of circulating pla...
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Article
Genomic structure of the human KDR/flk-1 gene