Results 31 to 40 of about 949,070 (290)

The proteasome cap RPT5/Rpt5p subunit prevents aggregation of unfolded ricin A chain [PDF]

open access: yes, 2013
The plant cytotoxin ricin enters mammalian cells by receptor-mediated endocytosis, undergoing retrograde transport to the endoplasmic reticulum (ER) where its catalytic A chain (RTA) is reductively separated from the holotoxin to enter the cytosol and ...
Spooner, Robert A.   +12 more
core   +1 more source

New Scaffolds of Proteasome Inhibitors: Boosting Anticancer Potential by Exploiting the Synergy of In Silico and In Vitro Methodologies

open access: yesPharmaceuticals, 2023
Cancer is a complex multifactorial disease whose pathophysiology involves multiple metabolic pathways, including the ubiquitin–proteasome system, for which several proteasome inhibitors have already been approved for clinical use. However, the resistance
Romina A. Guedes   +12 more
doaj   +1 more source

The degradation of p53 and its major E3 ligase Mdm2 is differentially dependent on the proteasomal ubiquitin receptor S5a. [PDF]

open access: yes, 2014
p53 and its major E3 ligase Mdm2 are both ubiquitinated and targeted to the proteasome for degradation. Despite the importance of this in regulating the p53 pathway, little is known about the mechanisms of proteasomal recognition of ubiquitinated p53 and
J Das   +11 more
core   +1 more source

Proteasome Inhibitors against Glioblastoma—Overview of Molecular Mechanisms of Cytotoxicity, Progress in Clinical Trials, and Perspective for Use in Personalized Medicine

open access: yesCurrent Oncology, 2023
Proteasome inhibitors are moieties targeting the proteolytic activity of a proteasome, with demonstrated efficacy in certain hematological malignancies and candidate drugs in other types of cancer, including glioblastoma (GBM). They disturb the levels of
Agata Gozdz
doaj   +1 more source

Inhibitory activity and antiparasite activity of kinetoplastid proteasome inhibitors.

open access: yes, 2021
Inhibitory activity and antiparasite activity of kinetoplastid proteasome inhibitors.
Gang Lin (824266), Hao Zhang (15339)
core   +1 more source

Small-Molecule Inhibitors Targeting Proteasome-Associated Deubiquitinases [PDF]

open access: yes, 2021
The 26S proteasome is the principal protease for regulated intracellular proteolysis. This multi-subunit complex is also pivotal for clearance of harmful proteins that are produced throughout the lifetime of eukaryotes.
Muniyappan, Srinivasan   +7 more
core   +1 more source

Mutant p53–Nrf2 axis regulates the proteasome machinery in cancer

open access: yesMolecular & Cellular Oncology, 2017
The proteasome machinery is a common target of gain-of-function p53 missense mutants. Upregulation of the proteasome fosters chemoresistance to proteasome inhibitors.
Kamil Lisek   +2 more
doaj   +1 more source

Different degree in proteasome malfunction has various effects on root growth possibly through preventing cell division and promoting autophagic vacuolization. [PDF]

open access: yesPLoS ONE, 2012
The ubiquitin/proteasome pathway plays a vital role in plant development. But the effects of proteasome malfunction on root growth, and the mechanism underlying this involvement remains unclear.
Xianyong Sheng   +5 more
doaj   +1 more source

Rational design of novel phenol ether derivatives as non-covalent proteasome inhibitors through 3D-QSAR, molecular docking and ADMET prediction [PDF]

open access: yesExploration of Drug Science, 2023
Aim: The purpose of this paper is to use different structures and ligand-based drug design methods properly to provide theoretical guidance for the design of novel non-covalent proteasome inhibitors, and conduct theoretical analysis of the binding ...
Miao Yuan   +4 more
doaj   +1 more source

Chemical proteasome inhibition as a novel animal model of inner retinal degeneration in rats.

open access: yesPLoS ONE, 2019
Chemical proteasome inhibition has been a valuable animal model of neurodegeneration to uncover roles for the ubiquitin-proteasome system in the central nervous system.
Masaaki Kageyama   +4 more
doaj   +1 more source

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